New simpler command interface via loopback UDP protected by a crypto token.

This commit is contained in:
Adam Ierymenko 2013-07-17 14:10:44 -04:00
parent 557cc359b3
commit 76bc9968ff
28 changed files with 202 additions and 7121 deletions

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// Copyright 2007-2010 Baptiste Lepilleur
// Distributed under MIT license, or public domain if desired and
// recognized in your jurisdiction.
// See file LICENSE for detail or copy at http://jsoncpp.sourceforge.net/LICENSE
#ifndef JSON_AUTOLINK_H_INCLUDED
# define JSON_AUTOLINK_H_INCLUDED
# include "config.h"
# ifdef JSON_IN_CPPTL
# include <cpptl/cpptl_autolink.h>
# endif
# if !defined(JSON_NO_AUTOLINK) && !defined(JSON_DLL_BUILD) && !defined(JSON_IN_CPPTL)
# define CPPTL_AUTOLINK_NAME "json"
# undef CPPTL_AUTOLINK_DLL
# ifdef JSON_DLL
# define CPPTL_AUTOLINK_DLL
# endif
# include "autolink.h"
# endif
#endif // JSON_AUTOLINK_H_INCLUDED

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// Copyright 2007-2010 Baptiste Lepilleur
// Distributed under MIT license, or public domain if desired and
// recognized in your jurisdiction.
// See file LICENSE for detail or copy at http://jsoncpp.sourceforge.net/LICENSE
#ifndef JSON_CONFIG_H_INCLUDED
# define JSON_CONFIG_H_INCLUDED
/// If defined, indicates that json library is embedded in CppTL library.
//# define JSON_IN_CPPTL 1
/// If defined, indicates that json may leverage CppTL library
//# define JSON_USE_CPPTL 1
/// If defined, indicates that cpptl vector based map should be used instead of std::map
/// as Value container.
//# define JSON_USE_CPPTL_SMALLMAP 1
/// If defined, indicates that Json specific container should be used
/// (hash table & simple deque container with customizable allocator).
/// THIS FEATURE IS STILL EXPERIMENTAL! There is know bugs: See #3177332
//# define JSON_VALUE_USE_INTERNAL_MAP 1
/// Force usage of standard new/malloc based allocator instead of memory pool based allocator.
/// The memory pools allocator used optimization (initializing Value and ValueInternalLink
/// as if it was a POD) that may cause some validation tool to report errors.
/// Only has effects if JSON_VALUE_USE_INTERNAL_MAP is defined.
//# define JSON_USE_SIMPLE_INTERNAL_ALLOCATOR 1
/// If defined, indicates that Json use exception to report invalid type manipulation
/// instead of C assert macro.
# define JSON_USE_EXCEPTION 1
/// If defined, indicates that the source file is amalgated
/// to prevent private header inclusion.
/// Remarks: it is automatically defined in the generated amalgated header.
// #define JSON_IS_AMALGAMATION
# ifdef JSON_IN_CPPTL
# include <cpptl/config.h>
# ifndef JSON_USE_CPPTL
# define JSON_USE_CPPTL 1
# endif
# endif
# ifdef JSON_IN_CPPTL
# define JSON_API CPPTL_API
# elif defined(JSON_DLL_BUILD)
# define JSON_API __declspec(dllexport)
# elif defined(JSON_DLL)
# define JSON_API __declspec(dllimport)
# else
# define JSON_API
# endif
// If JSON_NO_INT64 is defined, then Json only support C++ "int" type for integer
// Storages, and 64 bits integer support is disabled.
// #define JSON_NO_INT64 1
#if defined(_MSC_VER) && _MSC_VER <= 1200 // MSVC 6
// Microsoft Visual Studio 6 only support conversion from __int64 to double
// (no conversion from unsigned __int64).
#define JSON_USE_INT64_DOUBLE_CONVERSION 1
#endif // if defined(_MSC_VER) && _MSC_VER < 1200 // MSVC 6
#if defined(_MSC_VER) && _MSC_VER >= 1500 // MSVC 2008
/// Indicates that the following function is deprecated.
# define JSONCPP_DEPRECATED(message) __declspec(deprecated(message))
#endif
#if !defined(JSONCPP_DEPRECATED)
# define JSONCPP_DEPRECATED(message)
#endif // if !defined(JSONCPP_DEPRECATED)
namespace Json {
typedef int Int;
typedef unsigned int UInt;
# if defined(JSON_NO_INT64)
typedef int LargestInt;
typedef unsigned int LargestUInt;
# undef JSON_HAS_INT64
# else // if defined(JSON_NO_INT64)
// For Microsoft Visual use specific types as long long is not supported
# if defined(_MSC_VER) // Microsoft Visual Studio
typedef __int64 Int64;
typedef unsigned __int64 UInt64;
# else // if defined(_MSC_VER) // Other platforms, use long long
typedef long long int Int64;
typedef unsigned long long int UInt64;
# endif // if defined(_MSC_VER)
typedef Int64 LargestInt;
typedef UInt64 LargestUInt;
# define JSON_HAS_INT64
# endif // if defined(JSON_NO_INT64)
} // end namespace Json
#endif // JSON_CONFIG_H_INCLUDED

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// Copyright 2007-2010 Baptiste Lepilleur
// Distributed under MIT license, or public domain if desired and
// recognized in your jurisdiction.
// See file LICENSE for detail or copy at http://jsoncpp.sourceforge.net/LICENSE
#ifndef CPPTL_JSON_FEATURES_H_INCLUDED
# define CPPTL_JSON_FEATURES_H_INCLUDED
#if !defined(JSON_IS_AMALGAMATION)
# include "forwards.h"
#endif // if !defined(JSON_IS_AMALGAMATION)
namespace Json {
/** \brief Configuration passed to reader and writer.
* This configuration object can be used to force the Reader or Writer
* to behave in a standard conforming way.
*/
class JSON_API Features
{
public:
/** \brief A configuration that allows all features and assumes all strings are UTF-8.
* - C & C++ comments are allowed
* - Root object can be any JSON value
* - Assumes Value strings are encoded in UTF-8
*/
static Features all();
/** \brief A configuration that is strictly compatible with the JSON specification.
* - Comments are forbidden.
* - Root object must be either an array or an object value.
* - Assumes Value strings are encoded in UTF-8
*/
static Features strictMode();
/** \brief Initialize the configuration like JsonConfig::allFeatures;
*/
Features();
/// \c true if comments are allowed. Default: \c true.
bool allowComments_;
/// \c true if root must be either an array or an object value. Default: \c false.
bool strictRoot_;
};
} // namespace Json
#endif // CPPTL_JSON_FEATURES_H_INCLUDED

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// Copyright 2007-2010 Baptiste Lepilleur
// Distributed under MIT license, or public domain if desired and
// recognized in your jurisdiction.
// See file LICENSE for detail or copy at http://jsoncpp.sourceforge.net/LICENSE
#ifndef JSON_FORWARDS_H_INCLUDED
# define JSON_FORWARDS_H_INCLUDED
#if !defined(JSON_IS_AMALGAMATION)
# include "config.h"
#endif // if !defined(JSON_IS_AMALGAMATION)
namespace Json {
// writer.h
class FastWriter;
class StyledWriter;
// reader.h
class Reader;
// features.h
class Features;
// value.h
typedef unsigned int ArrayIndex;
class StaticString;
class Path;
class PathArgument;
class Value;
class ValueIteratorBase;
class ValueIterator;
class ValueConstIterator;
#ifdef JSON_VALUE_USE_INTERNAL_MAP
class ValueMapAllocator;
class ValueInternalLink;
class ValueInternalArray;
class ValueInternalMap;
#endif // #ifdef JSON_VALUE_USE_INTERNAL_MAP
} // namespace Json
#endif // JSON_FORWARDS_H_INCLUDED

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// Copyright 2007-2010 Baptiste Lepilleur
// Distributed under MIT license, or public domain if desired and
// recognized in your jurisdiction.
// See file LICENSE for detail or copy at http://jsoncpp.sourceforge.net/LICENSE
#ifndef JSON_JSON_H_INCLUDED
# define JSON_JSON_H_INCLUDED
# include "autolink.h"
# include "value.h"
# include "reader.h"
# include "writer.h"
# include "features.h"
#endif // JSON_JSON_H_INCLUDED

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// Copyright 2007-2010 Baptiste Lepilleur
// Distributed under MIT license, or public domain if desired and
// recognized in your jurisdiction.
// See file LICENSE for detail or copy at http://jsoncpp.sourceforge.net/LICENSE
#ifndef CPPTL_JSON_READER_H_INCLUDED
# define CPPTL_JSON_READER_H_INCLUDED
#if !defined(JSON_IS_AMALGAMATION)
# include "features.h"
# include "value.h"
#endif // if !defined(JSON_IS_AMALGAMATION)
# include <deque>
# include <stack>
# include <string>
# include <iostream>
namespace Json {
/** \brief Unserialize a <a HREF="http://www.json.org">JSON</a> document into a Value.
*
*/
class JSON_API Reader
{
public:
typedef char Char;
typedef const Char *Location;
/** \brief Constructs a Reader allowing all features
* for parsing.
*/
Reader();
/** \brief Constructs a Reader allowing the specified feature set
* for parsing.
*/
Reader( const Features &features );
/** \brief Read a Value from a <a HREF="http://www.json.org">JSON</a> document.
* \param document UTF-8 encoded string containing the document to read.
* \param root [out] Contains the root value of the document if it was
* successfully parsed.
* \param collectComments \c true to collect comment and allow writing them back during
* serialization, \c false to discard comments.
* This parameter is ignored if Features::allowComments_
* is \c false.
* \return \c true if the document was successfully parsed, \c false if an error occurred.
*/
bool parse( const std::string &document,
Value &root,
bool collectComments = true );
/** \brief Read a Value from a <a HREF="http://www.json.org">JSON</a> document.
* \param beginDoc Pointer on the beginning of the UTF-8 encoded string of the document to read.
* \param endDoc Pointer on the end of the UTF-8 encoded string of the document to read.
\ Must be >= beginDoc.
* \param root [out] Contains the root value of the document if it was
* successfully parsed.
* \param collectComments \c true to collect comment and allow writing them back during
* serialization, \c false to discard comments.
* This parameter is ignored if Features::allowComments_
* is \c false.
* \return \c true if the document was successfully parsed, \c false if an error occurred.
*/
bool parse( const char *beginDoc, const char *endDoc,
Value &root,
bool collectComments = true );
/// \brief Parse from input stream.
/// \see Json::operator>>(std::istream&, Json::Value&).
bool parse( std::istream &is,
Value &root,
bool collectComments = true );
/** \brief Returns a user friendly string that list errors in the parsed document.
* \return Formatted error message with the list of errors with their location in
* the parsed document. An empty string is returned if no error occurred
* during parsing.
* \deprecated Use getFormattedErrorMessages() instead (typo fix).
*/
JSONCPP_DEPRECATED("Use getFormattedErrorMessages instead")
std::string getFormatedErrorMessages() const;
/** \brief Returns a user friendly string that list errors in the parsed document.
* \return Formatted error message with the list of errors with their location in
* the parsed document. An empty string is returned if no error occurred
* during parsing.
*/
std::string getFormattedErrorMessages() const;
private:
enum TokenType
{
tokenEndOfStream = 0,
tokenObjectBegin,
tokenObjectEnd,
tokenArrayBegin,
tokenArrayEnd,
tokenString,
tokenNumber,
tokenTrue,
tokenFalse,
tokenNull,
tokenArraySeparator,
tokenMemberSeparator,
tokenComment,
tokenError
};
class Token
{
public:
TokenType type_;
Location start_;
Location end_;
};
class ErrorInfo
{
public:
Token token_;
std::string message_;
Location extra_;
};
typedef std::deque<ErrorInfo> Errors;
bool expectToken( TokenType type, Token &token, const char *message );
bool readToken( Token &token );
void skipSpaces();
bool match( Location pattern,
int patternLength );
bool readComment();
bool readCStyleComment();
bool readCppStyleComment();
bool readString();
void readNumber();
bool readValue();
bool readObject( Token &token );
bool readArray( Token &token );
bool decodeNumber( Token &token );
bool decodeString( Token &token );
bool decodeString( Token &token, std::string &decoded );
bool decodeDouble( Token &token );
bool decodeUnicodeCodePoint( Token &token,
Location &current,
Location end,
unsigned int &unicode );
bool decodeUnicodeEscapeSequence( Token &token,
Location &current,
Location end,
unsigned int &unicode );
bool addError( const std::string &message,
Token &token,
Location extra = 0 );
bool recoverFromError( TokenType skipUntilToken );
bool addErrorAndRecover( const std::string &message,
Token &token,
TokenType skipUntilToken );
void skipUntilSpace();
Value &currentValue();
Char getNextChar();
void getLocationLineAndColumn( Location location,
int &line,
int &column ) const;
std::string getLocationLineAndColumn( Location location ) const;
void addComment( Location begin,
Location end,
CommentPlacement placement );
void skipCommentTokens( Token &token );
typedef std::stack<Value *> Nodes;
Nodes nodes_;
Errors errors_;
std::string document_;
Location begin_;
Location end_;
Location current_;
Location lastValueEnd_;
Value *lastValue_;
std::string commentsBefore_;
Features features_;
bool collectComments_;
};
/** \brief Read from 'sin' into 'root'.
Always keep comments from the input JSON.
This can be used to read a file into a particular sub-object.
For example:
\code
Json::Value root;
cin >> root["dir"]["file"];
cout << root;
\endcode
Result:
\verbatim
{
"dir": {
"file": {
// The input stream JSON would be nested here.
}
}
}
\endverbatim
\throw std::exception on parse error.
\see Json::operator<<()
*/
std::istream& operator>>( std::istream&, Value& );
} // namespace Json
#endif // CPPTL_JSON_READER_H_INCLUDED

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// Copyright 2007-2010 Baptiste Lepilleur
// Distributed under MIT license, or public domain if desired and
// recognized in your jurisdiction.
// See file LICENSE for detail or copy at http://jsoncpp.sourceforge.net/LICENSE
#ifndef JSON_WRITER_H_INCLUDED
# define JSON_WRITER_H_INCLUDED
#if !defined(JSON_IS_AMALGAMATION)
# include "value.h"
#endif // if !defined(JSON_IS_AMALGAMATION)
# include <vector>
# include <string>
# include <iostream>
namespace Json {
class Value;
/** \brief Abstract class for writers.
*/
class JSON_API Writer
{
public:
virtual ~Writer();
virtual std::string write( const Value &root ) = 0;
};
/** \brief Outputs a Value in <a HREF="http://www.json.org">JSON</a> format without formatting (not human friendly).
*
* The JSON document is written in a single line. It is not intended for 'human' consumption,
* but may be usefull to support feature such as RPC where bandwith is limited.
* \sa Reader, Value
*/
class JSON_API FastWriter : public Writer
{
public:
FastWriter();
virtual ~FastWriter(){}
void enableYAMLCompatibility();
public: // overridden from Writer
virtual std::string write( const Value &root );
private:
void writeValue( const Value &value );
std::string document_;
bool yamlCompatiblityEnabled_;
};
/** \brief Writes a Value in <a HREF="http://www.json.org">JSON</a> format in a human friendly way.
*
* The rules for line break and indent are as follow:
* - Object value:
* - if empty then print {} without indent and line break
* - if not empty the print '{', line break & indent, print one value per line
* and then unindent and line break and print '}'.
* - Array value:
* - if empty then print [] without indent and line break
* - if the array contains no object value, empty array or some other value types,
* and all the values fit on one lines, then print the array on a single line.
* - otherwise, it the values do not fit on one line, or the array contains
* object or non empty array, then print one value per line.
*
* If the Value have comments then they are outputed according to their #CommentPlacement.
*
* \sa Reader, Value, Value::setComment()
*/
class JSON_API StyledWriter: public Writer
{
public:
StyledWriter();
virtual ~StyledWriter(){}
public: // overridden from Writer
/** \brief Serialize a Value in <a HREF="http://www.json.org">JSON</a> format.
* \param root Value to serialize.
* \return String containing the JSON document that represents the root value.
*/
virtual std::string write( const Value &root );
private:
void writeValue( const Value &value );
void writeArrayValue( const Value &value );
bool isMultineArray( const Value &value );
void pushValue( const std::string &value );
void writeIndent();
void writeWithIndent( const std::string &value );
void indent();
void unindent();
void writeCommentBeforeValue( const Value &root );
void writeCommentAfterValueOnSameLine( const Value &root );
bool hasCommentForValue( const Value &value );
static std::string normalizeEOL( const std::string &text );
typedef std::vector<std::string> ChildValues;
ChildValues childValues_;
std::string document_;
std::string indentString_;
int rightMargin_;
int indentSize_;
bool addChildValues_;
};
/** \brief Writes a Value in <a HREF="http://www.json.org">JSON</a> format in a human friendly way,
to a stream rather than to a string.
*
* The rules for line break and indent are as follow:
* - Object value:
* - if empty then print {} without indent and line break
* - if not empty the print '{', line break & indent, print one value per line
* and then unindent and line break and print '}'.
* - Array value:
* - if empty then print [] without indent and line break
* - if the array contains no object value, empty array or some other value types,
* and all the values fit on one lines, then print the array on a single line.
* - otherwise, it the values do not fit on one line, or the array contains
* object or non empty array, then print one value per line.
*
* If the Value have comments then they are outputed according to their #CommentPlacement.
*
* \param indentation Each level will be indented by this amount extra.
* \sa Reader, Value, Value::setComment()
*/
class JSON_API StyledStreamWriter
{
public:
StyledStreamWriter( std::string indentation="\t" );
~StyledStreamWriter(){}
public:
/** \brief Serialize a Value in <a HREF="http://www.json.org">JSON</a> format.
* \param out Stream to write to. (Can be ostringstream, e.g.)
* \param root Value to serialize.
* \note There is no point in deriving from Writer, since write() should not return a value.
*/
void write( std::ostream &out, const Value &root );
private:
void writeValue( const Value &value );
void writeArrayValue( const Value &value );
bool isMultineArray( const Value &value );
void pushValue( const std::string &value );
void writeIndent();
void writeWithIndent( const std::string &value );
void indent();
void unindent();
void writeCommentBeforeValue( const Value &root );
void writeCommentAfterValueOnSameLine( const Value &root );
bool hasCommentForValue( const Value &value );
static std::string normalizeEOL( const std::string &text );
typedef std::vector<std::string> ChildValues;
ChildValues childValues_;
std::ostream* document_;
std::string indentString_;
int rightMargin_;
std::string indentation_;
bool addChildValues_;
};
# if defined(JSON_HAS_INT64)
std::string JSON_API valueToString( Int value );
std::string JSON_API valueToString( UInt value );
# endif // if defined(JSON_HAS_INT64)
std::string JSON_API valueToString( LargestInt value );
std::string JSON_API valueToString( LargestUInt value );
std::string JSON_API valueToString( double value );
std::string JSON_API valueToString( bool value );
std::string JSON_API valueToQuotedString( const char *value );
/// \brief Output using the StyledStreamWriter.
/// \see Json::operator>>()
std::ostream& operator<<( std::ostream&, const Value &root );
} // namespace Json
#endif // JSON_WRITER_H_INCLUDED

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// Copyright 2007-2010 Baptiste Lepilleur
// Distributed under MIT license, or public domain if desired and
// recognized in your jurisdiction.
// See file LICENSE for detail or copy at http://jsoncpp.sourceforge.net/LICENSE
#ifndef JSONCPP_BATCHALLOCATOR_H_INCLUDED
# define JSONCPP_BATCHALLOCATOR_H_INCLUDED
# include <stdlib.h>
# include <assert.h>
# ifndef JSONCPP_DOC_EXCLUDE_IMPLEMENTATION
namespace Json {
/* Fast memory allocator.
*
* This memory allocator allocates memory for a batch of object (specified by
* the page size, the number of object in each page).
*
* It does not allow the destruction of a single object. All the allocated objects
* can be destroyed at once. The memory can be either released or reused for future
* allocation.
*
* The in-place new operator must be used to construct the object using the pointer
* returned by allocate.
*/
template<typename AllocatedType
,const unsigned int objectPerAllocation>
class BatchAllocator
{
public:
typedef AllocatedType Type;
BatchAllocator( unsigned int objectsPerPage = 255 )
: freeHead_( 0 )
, objectsPerPage_( objectsPerPage )
{
// printf( "Size: %d => %s\n", sizeof(AllocatedType), typeid(AllocatedType).name() );
assert( sizeof(AllocatedType) * objectPerAllocation >= sizeof(AllocatedType *) ); // We must be able to store a slist in the object free space.
assert( objectsPerPage >= 16 );
batches_ = allocateBatch( 0 ); // allocated a dummy page
currentBatch_ = batches_;
}
~BatchAllocator()
{
for ( BatchInfo *batch = batches_; batch; )
{
BatchInfo *nextBatch = batch->next_;
free( batch );
batch = nextBatch;
}
}
/// allocate space for an array of objectPerAllocation object.
/// @warning it is the responsability of the caller to call objects constructors.
AllocatedType *allocate()
{
if ( freeHead_ ) // returns node from free list.
{
AllocatedType *object = freeHead_;
freeHead_ = *(AllocatedType **)object;
return object;
}
if ( currentBatch_->used_ == currentBatch_->end_ )
{
currentBatch_ = currentBatch_->next_;
while ( currentBatch_ && currentBatch_->used_ == currentBatch_->end_ )
currentBatch_ = currentBatch_->next_;
if ( !currentBatch_ ) // no free batch found, allocate a new one
{
currentBatch_ = allocateBatch( objectsPerPage_ );
currentBatch_->next_ = batches_; // insert at the head of the list
batches_ = currentBatch_;
}
}
AllocatedType *allocated = currentBatch_->used_;
currentBatch_->used_ += objectPerAllocation;
return allocated;
}
/// Release the object.
/// @warning it is the responsability of the caller to actually destruct the object.
void release( AllocatedType *object )
{
assert( object != 0 );
*(AllocatedType **)object = freeHead_;
freeHead_ = object;
}
private:
struct BatchInfo
{
BatchInfo *next_;
AllocatedType *used_;
AllocatedType *end_;
AllocatedType buffer_[objectPerAllocation];
};
// disabled copy constructor and assignement operator.
BatchAllocator( const BatchAllocator & );
void operator =( const BatchAllocator &);
static BatchInfo *allocateBatch( unsigned int objectsPerPage )
{
const unsigned int mallocSize = sizeof(BatchInfo) - sizeof(AllocatedType)* objectPerAllocation
+ sizeof(AllocatedType) * objectPerAllocation * objectsPerPage;
BatchInfo *batch = static_cast<BatchInfo*>( malloc( mallocSize ) );
batch->next_ = 0;
batch->used_ = batch->buffer_;
batch->end_ = batch->buffer_ + objectsPerPage;
return batch;
}
BatchInfo *batches_;
BatchInfo *currentBatch_;
/// Head of a single linked list within the allocated space of freeed object
AllocatedType *freeHead_;
unsigned int objectsPerPage_;
};
} // namespace Json
# endif // ifndef JSONCPP_DOC_INCLUDE_IMPLEMENTATION
#endif // JSONCPP_BATCHALLOCATOR_H_INCLUDED

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// Copyright 2007-2010 Baptiste Lepilleur
// Distributed under MIT license, or public domain if desired and
// recognized in your jurisdiction.
// See file LICENSE for detail or copy at http://jsoncpp.sourceforge.net/LICENSE
// included by json_value.cpp
namespace Json {
// //////////////////////////////////////////////////////////////////
// //////////////////////////////////////////////////////////////////
// //////////////////////////////////////////////////////////////////
// class ValueInternalArray
// //////////////////////////////////////////////////////////////////
// //////////////////////////////////////////////////////////////////
// //////////////////////////////////////////////////////////////////
ValueArrayAllocator::~ValueArrayAllocator()
{
}
// //////////////////////////////////////////////////////////////////
// class DefaultValueArrayAllocator
// //////////////////////////////////////////////////////////////////
#ifdef JSON_USE_SIMPLE_INTERNAL_ALLOCATOR
class DefaultValueArrayAllocator : public ValueArrayAllocator
{
public: // overridden from ValueArrayAllocator
virtual ~DefaultValueArrayAllocator()
{
}
virtual ValueInternalArray *newArray()
{
return new ValueInternalArray();
}
virtual ValueInternalArray *newArrayCopy( const ValueInternalArray &other )
{
return new ValueInternalArray( other );
}
virtual void destructArray( ValueInternalArray *array )
{
delete array;
}
virtual void reallocateArrayPageIndex( Value **&indexes,
ValueInternalArray::PageIndex &indexCount,
ValueInternalArray::PageIndex minNewIndexCount )
{
ValueInternalArray::PageIndex newIndexCount = (indexCount*3)/2 + 1;
if ( minNewIndexCount > newIndexCount )
newIndexCount = minNewIndexCount;
void *newIndexes = realloc( indexes, sizeof(Value*) * newIndexCount );
if ( !newIndexes )
throw std::bad_alloc();
indexCount = newIndexCount;
indexes = static_cast<Value **>( newIndexes );
}
virtual void releaseArrayPageIndex( Value **indexes,
ValueInternalArray::PageIndex indexCount )
{
if ( indexes )
free( indexes );
}
virtual Value *allocateArrayPage()
{
return static_cast<Value *>( malloc( sizeof(Value) * ValueInternalArray::itemsPerPage ) );
}
virtual void releaseArrayPage( Value *value )
{
if ( value )
free( value );
}
};
#else // #ifdef JSON_USE_SIMPLE_INTERNAL_ALLOCATOR
/// @todo make this thread-safe (lock when accessign batch allocator)
class DefaultValueArrayAllocator : public ValueArrayAllocator
{
public: // overridden from ValueArrayAllocator
virtual ~DefaultValueArrayAllocator()
{
}
virtual ValueInternalArray *newArray()
{
ValueInternalArray *array = arraysAllocator_.allocate();
new (array) ValueInternalArray(); // placement new
return array;
}
virtual ValueInternalArray *newArrayCopy( const ValueInternalArray &other )
{
ValueInternalArray *array = arraysAllocator_.allocate();
new (array) ValueInternalArray( other ); // placement new
return array;
}
virtual void destructArray( ValueInternalArray *array )
{
if ( array )
{
array->~ValueInternalArray();
arraysAllocator_.release( array );
}
}
virtual void reallocateArrayPageIndex( Value **&indexes,
ValueInternalArray::PageIndex &indexCount,
ValueInternalArray::PageIndex minNewIndexCount )
{
ValueInternalArray::PageIndex newIndexCount = (indexCount*3)/2 + 1;
if ( minNewIndexCount > newIndexCount )
newIndexCount = minNewIndexCount;
void *newIndexes = realloc( indexes, sizeof(Value*) * newIndexCount );
if ( !newIndexes )
throw std::bad_alloc();
indexCount = newIndexCount;
indexes = static_cast<Value **>( newIndexes );
}
virtual void releaseArrayPageIndex( Value **indexes,
ValueInternalArray::PageIndex indexCount )
{
if ( indexes )
free( indexes );
}
virtual Value *allocateArrayPage()
{
return static_cast<Value *>( pagesAllocator_.allocate() );
}
virtual void releaseArrayPage( Value *value )
{
if ( value )
pagesAllocator_.release( value );
}
private:
BatchAllocator<ValueInternalArray,1> arraysAllocator_;
BatchAllocator<Value,ValueInternalArray::itemsPerPage> pagesAllocator_;
};
#endif // #ifdef JSON_USE_SIMPLE_INTERNAL_ALLOCATOR
static ValueArrayAllocator *&arrayAllocator()
{
static DefaultValueArrayAllocator defaultAllocator;
static ValueArrayAllocator *arrayAllocator = &defaultAllocator;
return arrayAllocator;
}
static struct DummyArrayAllocatorInitializer {
DummyArrayAllocatorInitializer()
{
arrayAllocator(); // ensure arrayAllocator() statics are initialized before main().
}
} dummyArrayAllocatorInitializer;
// //////////////////////////////////////////////////////////////////
// class ValueInternalArray
// //////////////////////////////////////////////////////////////////
bool
ValueInternalArray::equals( const IteratorState &x,
const IteratorState &other )
{
return x.array_ == other.array_
&& x.currentItemIndex_ == other.currentItemIndex_
&& x.currentPageIndex_ == other.currentPageIndex_;
}
void
ValueInternalArray::increment( IteratorState &it )
{
JSON_ASSERT_MESSAGE( it.array_ &&
(it.currentPageIndex_ - it.array_->pages_)*itemsPerPage + it.currentItemIndex_
!= it.array_->size_,
"ValueInternalArray::increment(): moving iterator beyond end" );
++(it.currentItemIndex_);
if ( it.currentItemIndex_ == itemsPerPage )
{
it.currentItemIndex_ = 0;
++(it.currentPageIndex_);
}
}
void
ValueInternalArray::decrement( IteratorState &it )
{
JSON_ASSERT_MESSAGE( it.array_ && it.currentPageIndex_ == it.array_->pages_
&& it.currentItemIndex_ == 0,
"ValueInternalArray::decrement(): moving iterator beyond end" );
if ( it.currentItemIndex_ == 0 )
{
it.currentItemIndex_ = itemsPerPage-1;
--(it.currentPageIndex_);
}
else
{
--(it.currentItemIndex_);
}
}
Value &
ValueInternalArray::unsafeDereference( const IteratorState &it )
{
return (*(it.currentPageIndex_))[it.currentItemIndex_];
}
Value &
ValueInternalArray::dereference( const IteratorState &it )
{
JSON_ASSERT_MESSAGE( it.array_ &&
(it.currentPageIndex_ - it.array_->pages_)*itemsPerPage + it.currentItemIndex_
< it.array_->size_,
"ValueInternalArray::dereference(): dereferencing invalid iterator" );
return unsafeDereference( it );
}
void
ValueInternalArray::makeBeginIterator( IteratorState &it ) const
{
it.array_ = const_cast<ValueInternalArray *>( this );
it.currentItemIndex_ = 0;
it.currentPageIndex_ = pages_;
}
void
ValueInternalArray::makeIterator( IteratorState &it, ArrayIndex index ) const
{
it.array_ = const_cast<ValueInternalArray *>( this );
it.currentItemIndex_ = index % itemsPerPage;
it.currentPageIndex_ = pages_ + index / itemsPerPage;
}
void
ValueInternalArray::makeEndIterator( IteratorState &it ) const
{
makeIterator( it, size_ );
}
ValueInternalArray::ValueInternalArray()
: pages_( 0 )
, size_( 0 )
, pageCount_( 0 )
{
}
ValueInternalArray::ValueInternalArray( const ValueInternalArray &other )
: pages_( 0 )
, pageCount_( 0 )
, size_( other.size_ )
{
PageIndex minNewPages = other.size_ / itemsPerPage;
arrayAllocator()->reallocateArrayPageIndex( pages_, pageCount_, minNewPages );
JSON_ASSERT_MESSAGE( pageCount_ >= minNewPages,
"ValueInternalArray::reserve(): bad reallocation" );
IteratorState itOther;
other.makeBeginIterator( itOther );
Value *value;
for ( ArrayIndex index = 0; index < size_; ++index, increment(itOther) )
{
if ( index % itemsPerPage == 0 )
{
PageIndex pageIndex = index / itemsPerPage;
value = arrayAllocator()->allocateArrayPage();
pages_[pageIndex] = value;
}
new (value) Value( dereference( itOther ) );
}
}
ValueInternalArray &
ValueInternalArray::operator =( const ValueInternalArray &other )
{
ValueInternalArray temp( other );
swap( temp );
return *this;
}
ValueInternalArray::~ValueInternalArray()
{
// destroy all constructed items
IteratorState it;
IteratorState itEnd;
makeBeginIterator( it);
makeEndIterator( itEnd );
for ( ; !equals(it,itEnd); increment(it) )
{
Value *value = &dereference(it);
value->~Value();
}
// release all pages
PageIndex lastPageIndex = size_ / itemsPerPage;
for ( PageIndex pageIndex = 0; pageIndex < lastPageIndex; ++pageIndex )
arrayAllocator()->releaseArrayPage( pages_[pageIndex] );
// release pages index
arrayAllocator()->releaseArrayPageIndex( pages_, pageCount_ );
}
void
ValueInternalArray::swap( ValueInternalArray &other )
{
Value **tempPages = pages_;
pages_ = other.pages_;
other.pages_ = tempPages;
ArrayIndex tempSize = size_;
size_ = other.size_;
other.size_ = tempSize;
PageIndex tempPageCount = pageCount_;
pageCount_ = other.pageCount_;
other.pageCount_ = tempPageCount;
}
void
ValueInternalArray::clear()
{
ValueInternalArray dummy;
swap( dummy );
}
void
ValueInternalArray::resize( ArrayIndex newSize )
{
if ( newSize == 0 )
clear();
else if ( newSize < size_ )
{
IteratorState it;
IteratorState itEnd;
makeIterator( it, newSize );
makeIterator( itEnd, size_ );
for ( ; !equals(it,itEnd); increment(it) )
{
Value *value = &dereference(it);
value->~Value();
}
PageIndex pageIndex = (newSize + itemsPerPage - 1) / itemsPerPage;
PageIndex lastPageIndex = size_ / itemsPerPage;
for ( ; pageIndex < lastPageIndex; ++pageIndex )
arrayAllocator()->releaseArrayPage( pages_[pageIndex] );
size_ = newSize;
}
else if ( newSize > size_ )
resolveReference( newSize );
}
void
ValueInternalArray::makeIndexValid( ArrayIndex index )
{
// Need to enlarge page index ?
if ( index >= pageCount_ * itemsPerPage )
{
PageIndex minNewPages = (index + 1) / itemsPerPage;
arrayAllocator()->reallocateArrayPageIndex( pages_, pageCount_, minNewPages );
JSON_ASSERT_MESSAGE( pageCount_ >= minNewPages, "ValueInternalArray::reserve(): bad reallocation" );
}
// Need to allocate new pages ?
ArrayIndex nextPageIndex =
(size_ % itemsPerPage) != 0 ? size_ - (size_%itemsPerPage) + itemsPerPage
: size_;
if ( nextPageIndex <= index )
{
PageIndex pageIndex = nextPageIndex / itemsPerPage;
PageIndex pageToAllocate = (index - nextPageIndex) / itemsPerPage + 1;
for ( ; pageToAllocate-- > 0; ++pageIndex )
pages_[pageIndex] = arrayAllocator()->allocateArrayPage();
}
// Initialize all new entries
IteratorState it;
IteratorState itEnd;
makeIterator( it, size_ );
size_ = index + 1;
makeIterator( itEnd, size_ );
for ( ; !equals(it,itEnd); increment(it) )
{
Value *value = &dereference(it);
new (value) Value(); // Construct a default value using placement new
}
}
Value &
ValueInternalArray::resolveReference( ArrayIndex index )
{
if ( index >= size_ )
makeIndexValid( index );
return pages_[index/itemsPerPage][index%itemsPerPage];
}
Value *
ValueInternalArray::find( ArrayIndex index ) const
{
if ( index >= size_ )
return 0;
return &(pages_[index/itemsPerPage][index%itemsPerPage]);
}
ValueInternalArray::ArrayIndex
ValueInternalArray::size() const
{
return size_;
}
int
ValueInternalArray::distance( const IteratorState &x, const IteratorState &y )
{
return indexOf(y) - indexOf(x);
}
ValueInternalArray::ArrayIndex
ValueInternalArray::indexOf( const IteratorState &iterator )
{
if ( !iterator.array_ )
return ArrayIndex(-1);
return ArrayIndex(
(iterator.currentPageIndex_ - iterator.array_->pages_) * itemsPerPage
+ iterator.currentItemIndex_ );
}
int
ValueInternalArray::compare( const ValueInternalArray &other ) const
{
int sizeDiff( size_ - other.size_ );
if ( sizeDiff != 0 )
return sizeDiff;
for ( ArrayIndex index =0; index < size_; ++index )
{
int diff = pages_[index/itemsPerPage][index%itemsPerPage].compare(
other.pages_[index/itemsPerPage][index%itemsPerPage] );
if ( diff != 0 )
return diff;
}
return 0;
}
} // namespace Json

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@ -1,615 +0,0 @@
// Copyright 2007-2010 Baptiste Lepilleur
// Distributed under MIT license, or public domain if desired and
// recognized in your jurisdiction.
// See file LICENSE for detail or copy at http://jsoncpp.sourceforge.net/LICENSE
// included by json_value.cpp
namespace Json {
// //////////////////////////////////////////////////////////////////
// //////////////////////////////////////////////////////////////////
// //////////////////////////////////////////////////////////////////
// class ValueInternalMap
// //////////////////////////////////////////////////////////////////
// //////////////////////////////////////////////////////////////////
// //////////////////////////////////////////////////////////////////
/** \internal MUST be safely initialized using memset( this, 0, sizeof(ValueInternalLink) );
* This optimization is used by the fast allocator.
*/
ValueInternalLink::ValueInternalLink()
: previous_( 0 )
, next_( 0 )
{
}
ValueInternalLink::~ValueInternalLink()
{
for ( int index =0; index < itemPerLink; ++index )
{
if ( !items_[index].isItemAvailable() )
{
if ( !items_[index].isMemberNameStatic() )
free( keys_[index] );
}
else
break;
}
}
ValueMapAllocator::~ValueMapAllocator()
{
}
#ifdef JSON_USE_SIMPLE_INTERNAL_ALLOCATOR
class DefaultValueMapAllocator : public ValueMapAllocator
{
public: // overridden from ValueMapAllocator
virtual ValueInternalMap *newMap()
{
return new ValueInternalMap();
}
virtual ValueInternalMap *newMapCopy( const ValueInternalMap &other )
{
return new ValueInternalMap( other );
}
virtual void destructMap( ValueInternalMap *map )
{
delete map;
}
virtual ValueInternalLink *allocateMapBuckets( unsigned int size )
{
return new ValueInternalLink[size];
}
virtual void releaseMapBuckets( ValueInternalLink *links )
{
delete [] links;
}
virtual ValueInternalLink *allocateMapLink()
{
return new ValueInternalLink();
}
virtual void releaseMapLink( ValueInternalLink *link )
{
delete link;
}
};
#else
/// @todo make this thread-safe (lock when accessign batch allocator)
class DefaultValueMapAllocator : public ValueMapAllocator
{
public: // overridden from ValueMapAllocator
virtual ValueInternalMap *newMap()
{
ValueInternalMap *map = mapsAllocator_.allocate();
new (map) ValueInternalMap(); // placement new
return map;
}
virtual ValueInternalMap *newMapCopy( const ValueInternalMap &other )
{
ValueInternalMap *map = mapsAllocator_.allocate();
new (map) ValueInternalMap( other ); // placement new
return map;
}
virtual void destructMap( ValueInternalMap *map )
{
if ( map )
{
map->~ValueInternalMap();
mapsAllocator_.release( map );
}
}
virtual ValueInternalLink *allocateMapBuckets( unsigned int size )
{
return new ValueInternalLink[size];
}
virtual void releaseMapBuckets( ValueInternalLink *links )
{
delete [] links;
}
virtual ValueInternalLink *allocateMapLink()
{
ValueInternalLink *link = linksAllocator_.allocate();
memset( link, 0, sizeof(ValueInternalLink) );
return link;
}
virtual void releaseMapLink( ValueInternalLink *link )
{
link->~ValueInternalLink();
linksAllocator_.release( link );
}
private:
BatchAllocator<ValueInternalMap,1> mapsAllocator_;
BatchAllocator<ValueInternalLink,1> linksAllocator_;
};
#endif
static ValueMapAllocator *&mapAllocator()
{
static DefaultValueMapAllocator defaultAllocator;
static ValueMapAllocator *mapAllocator = &defaultAllocator;
return mapAllocator;
}
static struct DummyMapAllocatorInitializer {
DummyMapAllocatorInitializer()
{
mapAllocator(); // ensure mapAllocator() statics are initialized before main().
}
} dummyMapAllocatorInitializer;
// h(K) = value * K >> w ; with w = 32 & K prime w.r.t. 2^32.
/*
use linked list hash map.
buckets array is a container.
linked list element contains 6 key/values. (memory = (16+4) * 6 + 4 = 124)
value have extra state: valid, available, deleted
*/
ValueInternalMap::ValueInternalMap()
: buckets_( 0 )
, tailLink_( 0 )
, bucketsSize_( 0 )
, itemCount_( 0 )
{
}
ValueInternalMap::ValueInternalMap( const ValueInternalMap &other )
: buckets_( 0 )
, tailLink_( 0 )
, bucketsSize_( 0 )
, itemCount_( 0 )
{
reserve( other.itemCount_ );
IteratorState it;
IteratorState itEnd;
other.makeBeginIterator( it );
other.makeEndIterator( itEnd );
for ( ; !equals(it,itEnd); increment(it) )
{
bool isStatic;
const char *memberName = key( it, isStatic );
const Value &aValue = value( it );
resolveReference(memberName, isStatic) = aValue;
}
}
ValueInternalMap &
ValueInternalMap::operator =( const ValueInternalMap &other )
{
ValueInternalMap dummy( other );
swap( dummy );
return *this;
}
ValueInternalMap::~ValueInternalMap()
{
if ( buckets_ )
{
for ( BucketIndex bucketIndex =0; bucketIndex < bucketsSize_; ++bucketIndex )
{
ValueInternalLink *link = buckets_[bucketIndex].next_;
while ( link )
{
ValueInternalLink *linkToRelease = link;
link = link->next_;
mapAllocator()->releaseMapLink( linkToRelease );
}
}
mapAllocator()->releaseMapBuckets( buckets_ );
}
}
void
ValueInternalMap::swap( ValueInternalMap &other )
{
ValueInternalLink *tempBuckets = buckets_;
buckets_ = other.buckets_;
other.buckets_ = tempBuckets;
ValueInternalLink *tempTailLink = tailLink_;
tailLink_ = other.tailLink_;
other.tailLink_ = tempTailLink;
BucketIndex tempBucketsSize = bucketsSize_;
bucketsSize_ = other.bucketsSize_;
other.bucketsSize_ = tempBucketsSize;
BucketIndex tempItemCount = itemCount_;
itemCount_ = other.itemCount_;
other.itemCount_ = tempItemCount;
}
void
ValueInternalMap::clear()
{
ValueInternalMap dummy;
swap( dummy );
}
ValueInternalMap::BucketIndex
ValueInternalMap::size() const
{
return itemCount_;
}
bool
ValueInternalMap::reserveDelta( BucketIndex growth )
{
return reserve( itemCount_ + growth );
}
bool
ValueInternalMap::reserve( BucketIndex newItemCount )
{
if ( !buckets_ && newItemCount > 0 )
{
buckets_ = mapAllocator()->allocateMapBuckets( 1 );
bucketsSize_ = 1;
tailLink_ = &buckets_[0];
}
// BucketIndex idealBucketCount = (newItemCount + ValueInternalLink::itemPerLink) / ValueInternalLink::itemPerLink;
return true;
}
const Value *
ValueInternalMap::find( const char *key ) const
{
if ( !bucketsSize_ )
return 0;
HashKey hashedKey = hash( key );
BucketIndex bucketIndex = hashedKey % bucketsSize_;
for ( const ValueInternalLink *current = &buckets_[bucketIndex];
current != 0;
current = current->next_ )
{
for ( BucketIndex index=0; index < ValueInternalLink::itemPerLink; ++index )
{
if ( current->items_[index].isItemAvailable() )
return 0;
if ( strcmp( key, current->keys_[index] ) == 0 )
return &current->items_[index];
}
}
return 0;
}
Value *
ValueInternalMap::find( const char *key )
{
const ValueInternalMap *constThis = this;
return const_cast<Value *>( constThis->find( key ) );
}
Value &
ValueInternalMap::resolveReference( const char *key,
bool isStatic )
{
HashKey hashedKey = hash( key );
if ( bucketsSize_ )
{
BucketIndex bucketIndex = hashedKey % bucketsSize_;
ValueInternalLink **previous = 0;
BucketIndex index;
for ( ValueInternalLink *current = &buckets_[bucketIndex];
current != 0;
previous = &current->next_, current = current->next_ )
{
for ( index=0; index < ValueInternalLink::itemPerLink; ++index )
{
if ( current->items_[index].isItemAvailable() )
return setNewItem( key, isStatic, current, index );
if ( strcmp( key, current->keys_[index] ) == 0 )
return current->items_[index];
}
}
}
reserveDelta( 1 );
return unsafeAdd( key, isStatic, hashedKey );
}
void
ValueInternalMap::remove( const char *key )
{
HashKey hashedKey = hash( key );
if ( !bucketsSize_ )
return;
BucketIndex bucketIndex = hashedKey % bucketsSize_;
for ( ValueInternalLink *link = &buckets_[bucketIndex];
link != 0;
link = link->next_ )
{
BucketIndex index;
for ( index =0; index < ValueInternalLink::itemPerLink; ++index )
{
if ( link->items_[index].isItemAvailable() )
return;
if ( strcmp( key, link->keys_[index] ) == 0 )
{
doActualRemove( link, index, bucketIndex );
return;
}
}
}
}
void
ValueInternalMap::doActualRemove( ValueInternalLink *link,
BucketIndex index,
BucketIndex bucketIndex )
{
// find last item of the bucket and swap it with the 'removed' one.
// set removed items flags to 'available'.
// if last page only contains 'available' items, then desallocate it (it's empty)
ValueInternalLink *&lastLink = getLastLinkInBucket( index );
BucketIndex lastItemIndex = 1; // a link can never be empty, so start at 1
for ( ;
lastItemIndex < ValueInternalLink::itemPerLink;
++lastItemIndex ) // may be optimized with dicotomic search
{
if ( lastLink->items_[lastItemIndex].isItemAvailable() )
break;
}
BucketIndex lastUsedIndex = lastItemIndex - 1;
Value *valueToDelete = &link->items_[index];
Value *valueToPreserve = &lastLink->items_[lastUsedIndex];
if ( valueToDelete != valueToPreserve )
valueToDelete->swap( *valueToPreserve );
if ( lastUsedIndex == 0 ) // page is now empty
{ // remove it from bucket linked list and delete it.
ValueInternalLink *linkPreviousToLast = lastLink->previous_;
if ( linkPreviousToLast != 0 ) // can not deleted bucket link.
{
mapAllocator()->releaseMapLink( lastLink );
linkPreviousToLast->next_ = 0;
lastLink = linkPreviousToLast;
}
}
else
{
Value dummy;
valueToPreserve->swap( dummy ); // restore deleted to default Value.
valueToPreserve->setItemUsed( false );
}
--itemCount_;
}
ValueInternalLink *&
ValueInternalMap::getLastLinkInBucket( BucketIndex bucketIndex )
{
if ( bucketIndex == bucketsSize_ - 1 )
return tailLink_;
ValueInternalLink *&previous = buckets_[bucketIndex+1].previous_;
if ( !previous )
previous = &buckets_[bucketIndex];
return previous;
}
Value &
ValueInternalMap::setNewItem( const char *key,
bool isStatic,
ValueInternalLink *link,
BucketIndex index )
{
char *duplicatedKey = makeMemberName( key );
++itemCount_;
link->keys_[index] = duplicatedKey;
link->items_[index].setItemUsed();
link->items_[index].setMemberNameIsStatic( isStatic );
return link->items_[index]; // items already default constructed.
}
Value &
ValueInternalMap::unsafeAdd( const char *key,
bool isStatic,
HashKey hashedKey )
{
JSON_ASSERT_MESSAGE( bucketsSize_ > 0, "ValueInternalMap::unsafeAdd(): internal logic error." );
BucketIndex bucketIndex = hashedKey % bucketsSize_;
ValueInternalLink *&previousLink = getLastLinkInBucket( bucketIndex );
ValueInternalLink *link = previousLink;
BucketIndex index;
for ( index =0; index < ValueInternalLink::itemPerLink; ++index )
{
if ( link->items_[index].isItemAvailable() )
break;
}
if ( index == ValueInternalLink::itemPerLink ) // need to add a new page
{
ValueInternalLink *newLink = mapAllocator()->allocateMapLink();
index = 0;
link->next_ = newLink;
previousLink = newLink;
link = newLink;
}
return setNewItem( key, isStatic, link, index );
}
ValueInternalMap::HashKey
ValueInternalMap::hash( const char *key ) const
{
HashKey hash = 0;
while ( *key )
hash += *key++ * 37;
return hash;
}
int
ValueInternalMap::compare( const ValueInternalMap &other ) const
{
int sizeDiff( itemCount_ - other.itemCount_ );
if ( sizeDiff != 0 )
return sizeDiff;
// Strict order guaranty is required. Compare all keys FIRST, then compare values.
IteratorState it;
IteratorState itEnd;
makeBeginIterator( it );
makeEndIterator( itEnd );
for ( ; !equals(it,itEnd); increment(it) )
{
if ( !other.find( key( it ) ) )
return 1;
}
// All keys are equals, let's compare values
makeBeginIterator( it );
for ( ; !equals(it,itEnd); increment(it) )
{
const Value *otherValue = other.find( key( it ) );
int valueDiff = value(it).compare( *otherValue );
if ( valueDiff != 0 )
return valueDiff;
}
return 0;
}
void
ValueInternalMap::makeBeginIterator( IteratorState &it ) const
{
it.map_ = const_cast<ValueInternalMap *>( this );
it.bucketIndex_ = 0;
it.itemIndex_ = 0;
it.link_ = buckets_;
}
void
ValueInternalMap::makeEndIterator( IteratorState &it ) const
{
it.map_ = const_cast<ValueInternalMap *>( this );
it.bucketIndex_ = bucketsSize_;
it.itemIndex_ = 0;
it.link_ = 0;
}
bool
ValueInternalMap::equals( const IteratorState &x, const IteratorState &other )
{
return x.map_ == other.map_
&& x.bucketIndex_ == other.bucketIndex_
&& x.link_ == other.link_
&& x.itemIndex_ == other.itemIndex_;
}
void
ValueInternalMap::incrementBucket( IteratorState &iterator )
{
++iterator.bucketIndex_;
JSON_ASSERT_MESSAGE( iterator.bucketIndex_ <= iterator.map_->bucketsSize_,
"ValueInternalMap::increment(): attempting to iterate beyond end." );
if ( iterator.bucketIndex_ == iterator.map_->bucketsSize_ )
iterator.link_ = 0;
else
iterator.link_ = &(iterator.map_->buckets_[iterator.bucketIndex_]);
iterator.itemIndex_ = 0;
}
void
ValueInternalMap::increment( IteratorState &iterator )
{
JSON_ASSERT_MESSAGE( iterator.map_, "Attempting to iterator using invalid iterator." );
++iterator.itemIndex_;
if ( iterator.itemIndex_ == ValueInternalLink::itemPerLink )
{
JSON_ASSERT_MESSAGE( iterator.link_ != 0,
"ValueInternalMap::increment(): attempting to iterate beyond end." );
iterator.link_ = iterator.link_->next_;
if ( iterator.link_ == 0 )
incrementBucket( iterator );
}
else if ( iterator.link_->items_[iterator.itemIndex_].isItemAvailable() )
{
incrementBucket( iterator );
}
}
void
ValueInternalMap::decrement( IteratorState &iterator )
{
if ( iterator.itemIndex_ == 0 )
{
JSON_ASSERT_MESSAGE( iterator.map_, "Attempting to iterate using invalid iterator." );
if ( iterator.link_ == &iterator.map_->buckets_[iterator.bucketIndex_] )
{
JSON_ASSERT_MESSAGE( iterator.bucketIndex_ > 0, "Attempting to iterate beyond beginning." );
--(iterator.bucketIndex_);
}
iterator.link_ = iterator.link_->previous_;
iterator.itemIndex_ = ValueInternalLink::itemPerLink - 1;
}
}
const char *
ValueInternalMap::key( const IteratorState &iterator )
{
JSON_ASSERT_MESSAGE( iterator.link_, "Attempting to iterate using invalid iterator." );
return iterator.link_->keys_[iterator.itemIndex_];
}
const char *
ValueInternalMap::key( const IteratorState &iterator, bool &isStatic )
{
JSON_ASSERT_MESSAGE( iterator.link_, "Attempting to iterate using invalid iterator." );
isStatic = iterator.link_->items_[iterator.itemIndex_].isMemberNameStatic();
return iterator.link_->keys_[iterator.itemIndex_];
}
Value &
ValueInternalMap::value( const IteratorState &iterator )
{
JSON_ASSERT_MESSAGE( iterator.link_, "Attempting to iterate using invalid iterator." );
return iterator.link_->items_[iterator.itemIndex_];
}
int
ValueInternalMap::distance( const IteratorState &x, const IteratorState &y )
{
int offset = 0;
IteratorState it = x;
while ( !equals( it, y ) )
increment( it );
return offset;
}
} // namespace Json

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@ -1,880 +0,0 @@
// Copyright 2007-2010 Baptiste Lepilleur
// Distributed under MIT license, or public domain if desired and
// recognized in your jurisdiction.
// See file LICENSE for detail or copy at http://jsoncpp.sourceforge.net/LICENSE
#if !defined(JSON_IS_AMALGAMATION)
# include <json/reader.h>
# include <json/value.h>
# include "json_tool.h"
#endif // if !defined(JSON_IS_AMALGAMATION)
#include <utility>
#include <cstdio>
#include <cassert>
#include <cstring>
#include <iostream>
#include <stdexcept>
#if _MSC_VER >= 1400 // VC++ 8.0
#pragma warning( disable : 4996 ) // disable warning about strdup being deprecated.
#endif
namespace Json {
// Implementation of class Features
// ////////////////////////////////
Features::Features()
: allowComments_( true )
, strictRoot_( false )
{
}
Features
Features::all()
{
return Features();
}
Features
Features::strictMode()
{
Features features;
features.allowComments_ = false;
features.strictRoot_ = true;
return features;
}
// Implementation of class Reader
// ////////////////////////////////
static inline bool
in( Reader::Char c, Reader::Char c1, Reader::Char c2, Reader::Char c3, Reader::Char c4 )
{
return c == c1 || c == c2 || c == c3 || c == c4;
}
static inline bool
in( Reader::Char c, Reader::Char c1, Reader::Char c2, Reader::Char c3, Reader::Char c4, Reader::Char c5 )
{
return c == c1 || c == c2 || c == c3 || c == c4 || c == c5;
}
static bool
containsNewLine( Reader::Location begin,
Reader::Location end )
{
for ( ;begin < end; ++begin )
if ( *begin == '\n' || *begin == '\r' )
return true;
return false;
}
// Class Reader
// //////////////////////////////////////////////////////////////////
Reader::Reader()
: features_( Features::all() )
{
}
Reader::Reader( const Features &features )
: features_( features )
{
}
bool
Reader::parse( const std::string &document,
Value &root,
bool collectComments )
{
document_ = document;
const char *begin = document_.c_str();
const char *end = begin + document_.length();
return parse( begin, end, root, collectComments );
}
bool
Reader::parse( std::istream& sin,
Value &root,
bool collectComments )
{
//std::istream_iterator<char> begin(sin);
//std::istream_iterator<char> end;
// Those would allow streamed input from a file, if parse() were a
// template function.
// Since std::string is reference-counted, this at least does not
// create an extra copy.
std::string doc;
std::getline(sin, doc, (char)EOF);
return parse( doc, root, collectComments );
}
bool
Reader::parse( const char *beginDoc, const char *endDoc,
Value &root,
bool collectComments )
{
if ( !features_.allowComments_ )
{
collectComments = false;
}
begin_ = beginDoc;
end_ = endDoc;
collectComments_ = collectComments;
current_ = begin_;
lastValueEnd_ = 0;
lastValue_ = 0;
commentsBefore_ = "";
errors_.clear();
while ( !nodes_.empty() )
nodes_.pop();
nodes_.push( &root );
bool successful = readValue();
Token token;
skipCommentTokens( token );
if ( collectComments_ && !commentsBefore_.empty() )
root.setComment( commentsBefore_, commentAfter );
if ( features_.strictRoot_ )
{
if ( !root.isArray() && !root.isObject() )
{
// Set error location to start of doc, ideally should be first token found in doc
token.type_ = tokenError;
token.start_ = beginDoc;
token.end_ = endDoc;
addError( "A valid JSON document must be either an array or an object value.",
token );
return false;
}
}
return successful;
}
bool
Reader::readValue()
{
Token token;
skipCommentTokens( token );
bool successful = true;
if ( collectComments_ && !commentsBefore_.empty() )
{
currentValue().setComment( commentsBefore_, commentBefore );
commentsBefore_ = "";
}
switch ( token.type_ )
{
case tokenObjectBegin:
successful = readObject( token );
break;
case tokenArrayBegin:
successful = readArray( token );
break;
case tokenNumber:
successful = decodeNumber( token );
break;
case tokenString:
successful = decodeString( token );
break;
case tokenTrue:
currentValue() = true;
break;
case tokenFalse:
currentValue() = false;
break;
case tokenNull:
currentValue() = Value();
break;
default:
return addError( "Syntax error: value, object or array expected.", token );
}
if ( collectComments_ )
{
lastValueEnd_ = current_;
lastValue_ = &currentValue();
}
return successful;
}
void
Reader::skipCommentTokens( Token &token )
{
if ( features_.allowComments_ )
{
do
{
readToken( token );
}
while ( token.type_ == tokenComment );
}
else
{
readToken( token );
}
}
bool
Reader::expectToken( TokenType type, Token &token, const char *message )
{
readToken( token );
if ( token.type_ != type )
return addError( message, token );
return true;
}
bool
Reader::readToken( Token &token )
{
skipSpaces();
token.start_ = current_;
Char c = getNextChar();
bool ok = true;
switch ( c )
{
case '{':
token.type_ = tokenObjectBegin;
break;
case '}':
token.type_ = tokenObjectEnd;
break;
case '[':
token.type_ = tokenArrayBegin;
break;
case ']':
token.type_ = tokenArrayEnd;
break;
case '"':
token.type_ = tokenString;
ok = readString();
break;
case '/':
token.type_ = tokenComment;
ok = readComment();
break;
case '0':
case '1':
case '2':
case '3':
case '4':
case '5':
case '6':
case '7':
case '8':
case '9':
case '-':
token.type_ = tokenNumber;
readNumber();
break;
case 't':
token.type_ = tokenTrue;
ok = match( "rue", 3 );
break;
case 'f':
token.type_ = tokenFalse;
ok = match( "alse", 4 );
break;
case 'n':
token.type_ = tokenNull;
ok = match( "ull", 3 );
break;
case ',':
token.type_ = tokenArraySeparator;
break;
case ':':
token.type_ = tokenMemberSeparator;
break;
case 0:
token.type_ = tokenEndOfStream;
break;
default:
ok = false;
break;
}
if ( !ok )
token.type_ = tokenError;
token.end_ = current_;
return true;
}
void
Reader::skipSpaces()
{
while ( current_ != end_ )
{
Char c = *current_;
if ( c == ' ' || c == '\t' || c == '\r' || c == '\n' )
++current_;
else
break;
}
}
bool
Reader::match( Location pattern,
int patternLength )
{
if ( end_ - current_ < patternLength )
return false;
int index = patternLength;
while ( index-- )
if ( current_[index] != pattern[index] )
return false;
current_ += patternLength;
return true;
}
bool
Reader::readComment()
{
Location commentBegin = current_ - 1;
Char c = getNextChar();
bool successful = false;
if ( c == '*' )
successful = readCStyleComment();
else if ( c == '/' )
successful = readCppStyleComment();
if ( !successful )
return false;
if ( collectComments_ )
{
CommentPlacement placement = commentBefore;
if ( lastValueEnd_ && !containsNewLine( lastValueEnd_, commentBegin ) )
{
if ( c != '*' || !containsNewLine( commentBegin, current_ ) )
placement = commentAfterOnSameLine;
}
addComment( commentBegin, current_, placement );
}
return true;
}
void
Reader::addComment( Location begin,
Location end,
CommentPlacement placement )
{
assert( collectComments_ );
if ( placement == commentAfterOnSameLine )
{
assert( lastValue_ != 0 );
lastValue_->setComment( std::string( begin, end ), placement );
}
else
{
if ( !commentsBefore_.empty() )
commentsBefore_ += "\n";
commentsBefore_ += std::string( begin, end );
}
}
bool
Reader::readCStyleComment()
{
while ( current_ != end_ )
{
Char c = getNextChar();
if ( c == '*' && *current_ == '/' )
break;
}
return getNextChar() == '/';
}
bool
Reader::readCppStyleComment()
{
while ( current_ != end_ )
{
Char c = getNextChar();
if ( c == '\r' || c == '\n' )
break;
}
return true;
}
void
Reader::readNumber()
{
while ( current_ != end_ )
{
if ( !(*current_ >= '0' && *current_ <= '9') &&
!in( *current_, '.', 'e', 'E', '+', '-' ) )
break;
++current_;
}
}
bool
Reader::readString()
{
Char c = 0;
while ( current_ != end_ )
{
c = getNextChar();
if ( c == '\\' )
getNextChar();
else if ( c == '"' )
break;
}
return c == '"';
}
bool
Reader::readObject( Token &/*tokenStart*/ )
{
Token tokenName;
std::string name;
currentValue() = Value( objectValue );
while ( readToken( tokenName ) )
{
bool initialTokenOk = true;
while ( tokenName.type_ == tokenComment && initialTokenOk )
initialTokenOk = readToken( tokenName );
if ( !initialTokenOk )
break;
if ( tokenName.type_ == tokenObjectEnd && name.empty() ) // empty object
return true;
if ( tokenName.type_ != tokenString )
break;
name = "";
if ( !decodeString( tokenName, name ) )
return recoverFromError( tokenObjectEnd );
Token colon;
if ( !readToken( colon ) || colon.type_ != tokenMemberSeparator )
{
return addErrorAndRecover( "Missing ':' after object member name",
colon,
tokenObjectEnd );
}
Value &value = currentValue()[ name ];
nodes_.push( &value );
bool ok = readValue();
nodes_.pop();
if ( !ok ) // error already set
return recoverFromError( tokenObjectEnd );
Token comma;
if ( !readToken( comma )
|| ( comma.type_ != tokenObjectEnd &&
comma.type_ != tokenArraySeparator &&
comma.type_ != tokenComment ) )
{
return addErrorAndRecover( "Missing ',' or '}' in object declaration",
comma,
tokenObjectEnd );
}
bool finalizeTokenOk = true;
while ( comma.type_ == tokenComment &&
finalizeTokenOk )
finalizeTokenOk = readToken( comma );
if ( comma.type_ == tokenObjectEnd )
return true;
}
return addErrorAndRecover( "Missing '}' or object member name",
tokenName,
tokenObjectEnd );
}
bool
Reader::readArray( Token &/*tokenStart*/ )
{
currentValue() = Value( arrayValue );
skipSpaces();
if ( *current_ == ']' ) // empty array
{
Token endArray;
readToken( endArray );
return true;
}
int index = 0;
for (;;)
{
Value &value = currentValue()[ index++ ];
nodes_.push( &value );
bool ok = readValue();
nodes_.pop();
if ( !ok ) // error already set
return recoverFromError( tokenArrayEnd );
Token token;
// Accept Comment after last item in the array.
ok = readToken( token );
while ( token.type_ == tokenComment && ok )
{
ok = readToken( token );
}
bool badTokenType = ( token.type_ != tokenArraySeparator &&
token.type_ != tokenArrayEnd );
if ( !ok || badTokenType )
{
return addErrorAndRecover( "Missing ',' or ']' in array declaration",
token,
tokenArrayEnd );
}
if ( token.type_ == tokenArrayEnd )
break;
}
return true;
}
bool
Reader::decodeNumber( Token &token )
{
bool isDouble = false;
for ( Location inspect = token.start_; inspect != token.end_; ++inspect )
{
isDouble = isDouble
|| in( *inspect, '.', 'e', 'E', '+' )
|| ( *inspect == '-' && inspect != token.start_ );
}
if ( isDouble )
return decodeDouble( token );
// Attempts to parse the number as an integer. If the number is
// larger than the maximum supported value of an integer then
// we decode the number as a double.
Location current = token.start_;
bool isNegative = *current == '-';
if ( isNegative )
++current;
Value::LargestUInt maxIntegerValue = isNegative ? Value::LargestUInt(-Value::minLargestInt)
: Value::maxLargestUInt;
Value::LargestUInt threshold = maxIntegerValue / 10;
Value::UInt lastDigitThreshold = Value::UInt( maxIntegerValue % 10 );
assert( lastDigitThreshold >=0 && lastDigitThreshold <= 9 );
Value::LargestUInt value = 0;
while ( current < token.end_ )
{
Char c = *current++;
if ( c < '0' || c > '9' )
return addError( "'" + std::string( token.start_, token.end_ ) + "' is not a number.", token );
Value::UInt digit(c - '0');
if ( value >= threshold )
{
// If the current digit is not the last one, or if it is
// greater than the last digit of the maximum integer value,
// the parse the number as a double.
if ( current != token.end_ || digit > lastDigitThreshold )
{
return decodeDouble( token );
}
}
value = value * 10 + digit;
}
if ( isNegative )
currentValue() = -Value::LargestInt( value );
else if ( value <= Value::LargestUInt(Value::maxInt) )
currentValue() = Value::LargestInt( value );
else
currentValue() = value;
return true;
}
bool
Reader::decodeDouble( Token &token )
{
double value = 0;
const int bufferSize = 32;
int count;
int length = int(token.end_ - token.start_);
if ( length <= bufferSize )
{
Char buffer[bufferSize+1];
memcpy( buffer, token.start_, length );
buffer[length] = 0;
count = sscanf( buffer, "%lf", &value );
}
else
{
std::string buffer( token.start_, token.end_ );
count = sscanf( buffer.c_str(), "%lf", &value );
}
if ( count != 1 )
return addError( "'" + std::string( token.start_, token.end_ ) + "' is not a number.", token );
currentValue() = value;
return true;
}
bool
Reader::decodeString( Token &token )
{
std::string decoded;
if ( !decodeString( token, decoded ) )
return false;
currentValue() = decoded;
return true;
}
bool
Reader::decodeString( Token &token, std::string &decoded )
{
decoded.reserve( token.end_ - token.start_ - 2 );
Location current = token.start_ + 1; // skip '"'
Location end = token.end_ - 1; // do not include '"'
while ( current != end )
{
Char c = *current++;
if ( c == '"' )
break;
else if ( c == '\\' )
{
if ( current == end )
return addError( "Empty escape sequence in string", token, current );
Char escape = *current++;
switch ( escape )
{
case '"': decoded += '"'; break;
case '/': decoded += '/'; break;
case '\\': decoded += '\\'; break;
case 'b': decoded += '\b'; break;
case 'f': decoded += '\f'; break;
case 'n': decoded += '\n'; break;
case 'r': decoded += '\r'; break;
case 't': decoded += '\t'; break;
case 'u':
{
unsigned int unicode;
if ( !decodeUnicodeCodePoint( token, current, end, unicode ) )
return false;
decoded += codePointToUTF8(unicode);
}
break;
default:
return addError( "Bad escape sequence in string", token, current );
}
}
else
{
decoded += c;
}
}
return true;
}
bool
Reader::decodeUnicodeCodePoint( Token &token,
Location &current,
Location end,
unsigned int &unicode )
{
if ( !decodeUnicodeEscapeSequence( token, current, end, unicode ) )
return false;
if (unicode >= 0xD800 && unicode <= 0xDBFF)
{
// surrogate pairs
if (end - current < 6)
return addError( "additional six characters expected to parse unicode surrogate pair.", token, current );
unsigned int surrogatePair;
if (*(current++) == '\\' && *(current++)== 'u')
{
if (decodeUnicodeEscapeSequence( token, current, end, surrogatePair ))
{
unicode = 0x10000 + ((unicode & 0x3FF) << 10) + (surrogatePair & 0x3FF);
}
else
return false;
}
else
return addError( "expecting another \\u token to begin the second half of a unicode surrogate pair", token, current );
}
return true;
}
bool
Reader::decodeUnicodeEscapeSequence( Token &token,
Location &current,
Location end,
unsigned int &unicode )
{
if ( end - current < 4 )
return addError( "Bad unicode escape sequence in string: four digits expected.", token, current );
unicode = 0;
for ( int index =0; index < 4; ++index )
{
Char c = *current++;
unicode *= 16;
if ( c >= '0' && c <= '9' )
unicode += c - '0';
else if ( c >= 'a' && c <= 'f' )
unicode += c - 'a' + 10;
else if ( c >= 'A' && c <= 'F' )
unicode += c - 'A' + 10;
else
return addError( "Bad unicode escape sequence in string: hexadecimal digit expected.", token, current );
}
return true;
}
bool
Reader::addError( const std::string &message,
Token &token,
Location extra )
{
ErrorInfo info;
info.token_ = token;
info.message_ = message;
info.extra_ = extra;
errors_.push_back( info );
return false;
}
bool
Reader::recoverFromError( TokenType skipUntilToken )
{
int errorCount = int(errors_.size());
Token skip;
for (;;)
{
if ( !readToken(skip) )
errors_.resize( errorCount ); // discard errors caused by recovery
if ( skip.type_ == skipUntilToken || skip.type_ == tokenEndOfStream )
break;
}
errors_.resize( errorCount );
return false;
}
bool
Reader::addErrorAndRecover( const std::string &message,
Token &token,
TokenType skipUntilToken )
{
addError( message, token );
return recoverFromError( skipUntilToken );
}
Value &
Reader::currentValue()
{
return *(nodes_.top());
}
Reader::Char
Reader::getNextChar()
{
if ( current_ == end_ )
return 0;
return *current_++;
}
void
Reader::getLocationLineAndColumn( Location location,
int &line,
int &column ) const
{
Location current = begin_;
Location lastLineStart = current;
line = 0;
while ( current < location && current != end_ )
{
Char c = *current++;
if ( c == '\r' )
{
if ( *current == '\n' )
++current;
lastLineStart = current;
++line;
}
else if ( c == '\n' )
{
lastLineStart = current;
++line;
}
}
// column & line start at 1
column = int(location - lastLineStart) + 1;
++line;
}
std::string
Reader::getLocationLineAndColumn( Location location ) const
{
int line, column;
getLocationLineAndColumn( location, line, column );
char buffer[18+16+16+1];
sprintf( buffer, "Line %d, Column %d", line, column );
return buffer;
}
// Deprecated. Preserved for backward compatibility
std::string
Reader::getFormatedErrorMessages() const
{
return getFormattedErrorMessages();
}
std::string
Reader::getFormattedErrorMessages() const
{
std::string formattedMessage;
for ( Errors::const_iterator itError = errors_.begin();
itError != errors_.end();
++itError )
{
const ErrorInfo &error = *itError;
formattedMessage += "* " + getLocationLineAndColumn( error.token_.start_ ) + "\n";
formattedMessage += " " + error.message_ + "\n";
if ( error.extra_ )
formattedMessage += "See " + getLocationLineAndColumn( error.extra_ ) + " for detail.\n";
}
return formattedMessage;
}
std::istream& operator>>( std::istream &sin, Value &root )
{
Json::Reader reader;
bool ok = reader.parse(sin, root, true);
//JSON_ASSERT( ok );
if (!ok) throw std::runtime_error(reader.getFormattedErrorMessages());
return sin;
}
} // namespace Json

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@ -1,93 +0,0 @@
// Copyright 2007-2010 Baptiste Lepilleur
// Distributed under MIT license, or public domain if desired and
// recognized in your jurisdiction.
// See file LICENSE for detail or copy at http://jsoncpp.sourceforge.net/LICENSE
#ifndef LIB_JSONCPP_JSON_TOOL_H_INCLUDED
# define LIB_JSONCPP_JSON_TOOL_H_INCLUDED
/* This header provides common string manipulation support, such as UTF-8,
* portable conversion from/to string...
*
* It is an internal header that must not be exposed.
*/
namespace Json {
/// Converts a unicode code-point to UTF-8.
static inline std::string
codePointToUTF8(unsigned int cp)
{
std::string result;
// based on description from http://en.wikipedia.org/wiki/UTF-8
if (cp <= 0x7f)
{
result.resize(1);
result[0] = static_cast<char>(cp);
}
else if (cp <= 0x7FF)
{
result.resize(2);
result[1] = static_cast<char>(0x80 | (0x3f & cp));
result[0] = static_cast<char>(0xC0 | (0x1f & (cp >> 6)));
}
else if (cp <= 0xFFFF)
{
result.resize(3);
result[2] = static_cast<char>(0x80 | (0x3f & cp));
result[1] = 0x80 | static_cast<char>((0x3f & (cp >> 6)));
result[0] = 0xE0 | static_cast<char>((0xf & (cp >> 12)));
}
else if (cp <= 0x10FFFF)
{
result.resize(4);
result[3] = static_cast<char>(0x80 | (0x3f & cp));
result[2] = static_cast<char>(0x80 | (0x3f & (cp >> 6)));
result[1] = static_cast<char>(0x80 | (0x3f & (cp >> 12)));
result[0] = static_cast<char>(0xF0 | (0x7 & (cp >> 18)));
}
return result;
}
/// Returns true if ch is a control character (in range [0,32[).
static inline bool
isControlCharacter(char ch)
{
return ch > 0 && ch <= 0x1F;
}
enum {
/// Constant that specify the size of the buffer that must be passed to uintToString.
uintToStringBufferSize = 3*sizeof(LargestUInt)+1
};
// Defines a char buffer for use with uintToString().
typedef char UIntToStringBuffer[uintToStringBufferSize];
/** Converts an unsigned integer to string.
* @param value Unsigned interger to convert to string
* @param current Input/Output string buffer.
* Must have at least uintToStringBufferSize chars free.
*/
static inline void
uintToString( LargestUInt value,
char *&current )
{
*--current = 0;
do
{
*--current = char(value % 10) + '0';
value /= 10;
}
while ( value != 0 );
}
} // namespace Json {
#endif // LIB_JSONCPP_JSON_TOOL_H_INCLUDED

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@ -1,299 +0,0 @@
// Copyright 2007-2010 Baptiste Lepilleur
// Distributed under MIT license, or public domain if desired and
// recognized in your jurisdiction.
// See file LICENSE for detail or copy at http://jsoncpp.sourceforge.net/LICENSE
// included by json_value.cpp
namespace Json {
// //////////////////////////////////////////////////////////////////
// //////////////////////////////////////////////////////////////////
// //////////////////////////////////////////////////////////////////
// class ValueIteratorBase
// //////////////////////////////////////////////////////////////////
// //////////////////////////////////////////////////////////////////
// //////////////////////////////////////////////////////////////////
ValueIteratorBase::ValueIteratorBase()
#ifndef JSON_VALUE_USE_INTERNAL_MAP
: current_()
, isNull_( true )
{
}
#else
: isArray_( true )
, isNull_( true )
{
iterator_.array_ = ValueInternalArray::IteratorState();
}
#endif
#ifndef JSON_VALUE_USE_INTERNAL_MAP
ValueIteratorBase::ValueIteratorBase( const Value::ObjectValues::iterator &current )
: current_( current )
, isNull_( false )
{
}
#else
ValueIteratorBase::ValueIteratorBase( const ValueInternalArray::IteratorState &state )
: isArray_( true )
{
iterator_.array_ = state;
}
ValueIteratorBase::ValueIteratorBase( const ValueInternalMap::IteratorState &state )
: isArray_( false )
{
iterator_.map_ = state;
}
#endif
Value &
ValueIteratorBase::deref() const
{
#ifndef JSON_VALUE_USE_INTERNAL_MAP
return current_->second;
#else
if ( isArray_ )
return ValueInternalArray::dereference( iterator_.array_ );
return ValueInternalMap::value( iterator_.map_ );
#endif
}
void
ValueIteratorBase::increment()
{
#ifndef JSON_VALUE_USE_INTERNAL_MAP
++current_;
#else
if ( isArray_ )
ValueInternalArray::increment( iterator_.array_ );
ValueInternalMap::increment( iterator_.map_ );
#endif
}
void
ValueIteratorBase::decrement()
{
#ifndef JSON_VALUE_USE_INTERNAL_MAP
--current_;
#else
if ( isArray_ )
ValueInternalArray::decrement( iterator_.array_ );
ValueInternalMap::decrement( iterator_.map_ );
#endif
}
ValueIteratorBase::difference_type
ValueIteratorBase::computeDistance( const SelfType &other ) const
{
#ifndef JSON_VALUE_USE_INTERNAL_MAP
# ifdef JSON_USE_CPPTL_SMALLMAP
return current_ - other.current_;
# else
// Iterator for null value are initialized using the default
// constructor, which initialize current_ to the default
// std::map::iterator. As begin() and end() are two instance
// of the default std::map::iterator, they can not be compared.
// To allow this, we handle this comparison specifically.
if ( isNull_ && other.isNull_ )
{
return 0;
}
// Usage of std::distance is not portable (does not compile with Sun Studio 12 RogueWave STL,
// which is the one used by default).
// Using a portable hand-made version for non random iterator instead:
// return difference_type( std::distance( current_, other.current_ ) );
difference_type myDistance = 0;
for ( Value::ObjectValues::iterator it = current_; it != other.current_; ++it )
{
++myDistance;
}
return myDistance;
# endif
#else
if ( isArray_ )
return ValueInternalArray::distance( iterator_.array_, other.iterator_.array_ );
return ValueInternalMap::distance( iterator_.map_, other.iterator_.map_ );
#endif
}
bool
ValueIteratorBase::isEqual( const SelfType &other ) const
{
#ifndef JSON_VALUE_USE_INTERNAL_MAP
if ( isNull_ )
{
return other.isNull_;
}
return current_ == other.current_;
#else
if ( isArray_ )
return ValueInternalArray::equals( iterator_.array_, other.iterator_.array_ );
return ValueInternalMap::equals( iterator_.map_, other.iterator_.map_ );
#endif
}
void
ValueIteratorBase::copy( const SelfType &other )
{
#ifndef JSON_VALUE_USE_INTERNAL_MAP
current_ = other.current_;
#else
if ( isArray_ )
iterator_.array_ = other.iterator_.array_;
iterator_.map_ = other.iterator_.map_;
#endif
}
Value
ValueIteratorBase::key() const
{
#ifndef JSON_VALUE_USE_INTERNAL_MAP
const Value::CZString czstring = (*current_).first;
if ( czstring.c_str() )
{
if ( czstring.isStaticString() )
return Value( StaticString( czstring.c_str() ) );
return Value( czstring.c_str() );
}
return Value( czstring.index() );
#else
if ( isArray_ )
return Value( ValueInternalArray::indexOf( iterator_.array_ ) );
bool isStatic;
const char *memberName = ValueInternalMap::key( iterator_.map_, isStatic );
if ( isStatic )
return Value( StaticString( memberName ) );
return Value( memberName );
#endif
}
UInt
ValueIteratorBase::index() const
{
#ifndef JSON_VALUE_USE_INTERNAL_MAP
const Value::CZString czstring = (*current_).first;
if ( !czstring.c_str() )
return czstring.index();
return Value::UInt( -1 );
#else
if ( isArray_ )
return Value::UInt( ValueInternalArray::indexOf( iterator_.array_ ) );
return Value::UInt( -1 );
#endif
}
const char *
ValueIteratorBase::memberName() const
{
#ifndef JSON_VALUE_USE_INTERNAL_MAP
const char *name = (*current_).first.c_str();
return name ? name : "";
#else
if ( !isArray_ )
return ValueInternalMap::key( iterator_.map_ );
return "";
#endif
}
// //////////////////////////////////////////////////////////////////
// //////////////////////////////////////////////////////////////////
// //////////////////////////////////////////////////////////////////
// class ValueConstIterator
// //////////////////////////////////////////////////////////////////
// //////////////////////////////////////////////////////////////////
// //////////////////////////////////////////////////////////////////
ValueConstIterator::ValueConstIterator()
{
}
#ifndef JSON_VALUE_USE_INTERNAL_MAP
ValueConstIterator::ValueConstIterator( const Value::ObjectValues::iterator &current )
: ValueIteratorBase( current )
{
}
#else
ValueConstIterator::ValueConstIterator( const ValueInternalArray::IteratorState &state )
: ValueIteratorBase( state )
{
}
ValueConstIterator::ValueConstIterator( const ValueInternalMap::IteratorState &state )
: ValueIteratorBase( state )
{
}
#endif
ValueConstIterator &
ValueConstIterator::operator =( const ValueIteratorBase &other )
{
copy( other );
return *this;
}
// //////////////////////////////////////////////////////////////////
// //////////////////////////////////////////////////////////////////
// //////////////////////////////////////////////////////////////////
// class ValueIterator
// //////////////////////////////////////////////////////////////////
// //////////////////////////////////////////////////////////////////
// //////////////////////////////////////////////////////////////////
ValueIterator::ValueIterator()
{
}
#ifndef JSON_VALUE_USE_INTERNAL_MAP
ValueIterator::ValueIterator( const Value::ObjectValues::iterator &current )
: ValueIteratorBase( current )
{
}
#else
ValueIterator::ValueIterator( const ValueInternalArray::IteratorState &state )
: ValueIteratorBase( state )
{
}
ValueIterator::ValueIterator( const ValueInternalMap::IteratorState &state )
: ValueIteratorBase( state )
{
}
#endif
ValueIterator::ValueIterator( const ValueConstIterator &other )
: ValueIteratorBase( other )
{
}
ValueIterator::ValueIterator( const ValueIterator &other )
: ValueIteratorBase( other )
{
}
ValueIterator &
ValueIterator::operator =( const SelfType &other )
{
copy( other );
return *this;
}
} // namespace Json

View File

@ -1,838 +0,0 @@
// Copyright 2007-2010 Baptiste Lepilleur
// Distributed under MIT license, or public domain if desired and
// recognized in your jurisdiction.
// See file LICENSE for detail or copy at http://jsoncpp.sourceforge.net/LICENSE
#if !defined(JSON_IS_AMALGAMATION)
# include <json/writer.h>
# include "json_tool.h"
#endif // if !defined(JSON_IS_AMALGAMATION)
#include <utility>
#include <assert.h>
#include <stdio.h>
#include <string.h>
#include <iostream>
#include <sstream>
#include <iomanip>
#if _MSC_VER >= 1400 // VC++ 8.0
#pragma warning( disable : 4996 ) // disable warning about strdup being deprecated.
#endif
namespace Json {
static bool containsControlCharacter( const char* str )
{
while ( *str )
{
if ( isControlCharacter( *(str++) ) )
return true;
}
return false;
}
std::string valueToString( LargestInt value )
{
UIntToStringBuffer buffer;
char *current = buffer + sizeof(buffer);
bool isNegative = value < 0;
if ( isNegative )
value = -value;
uintToString( LargestUInt(value), current );
if ( isNegative )
*--current = '-';
assert( current >= buffer );
return current;
}
std::string valueToString( LargestUInt value )
{
UIntToStringBuffer buffer;
char *current = buffer + sizeof(buffer);
uintToString( value, current );
assert( current >= buffer );
return current;
}
#if defined(JSON_HAS_INT64)
std::string valueToString( Int value )
{
return valueToString( LargestInt(value) );
}
std::string valueToString( UInt value )
{
return valueToString( LargestUInt(value) );
}
#endif // # if defined(JSON_HAS_INT64)
std::string valueToString( double value )
{
char buffer[32];
#if defined(_MSC_VER) && defined(__STDC_SECURE_LIB__) // Use secure version with visual studio 2005 to avoid warning.
sprintf_s(buffer, sizeof(buffer), "%#.16g", value);
#else
sprintf(buffer, "%#.16g", value);
#endif
char* ch = buffer + strlen(buffer) - 1;
if (*ch != '0') return buffer; // nothing to truncate, so save time
while(ch > buffer && *ch == '0'){
--ch;
}
char* last_nonzero = ch;
while(ch >= buffer){
switch(*ch){
case '0':
case '1':
case '2':
case '3':
case '4':
case '5':
case '6':
case '7':
case '8':
case '9':
--ch;
continue;
case '.':
// Truncate zeroes to save bytes in output, but keep one.
*(last_nonzero+2) = '\0';
return buffer;
default:
return buffer;
}
}
return buffer;
}
std::string valueToString( bool value )
{
return value ? "true" : "false";
}
std::string valueToQuotedString( const char *value )
{
// Not sure how to handle unicode...
if (strpbrk(value, "\"\\\b\f\n\r\t") == NULL && !containsControlCharacter( value ))
return std::string("\"") + value + "\"";
// We have to walk value and escape any special characters.
// Appending to std::string is not efficient, but this should be rare.
// (Note: forward slashes are *not* rare, but I am not escaping them.)
std::string::size_type maxsize = strlen(value)*2 + 3; // allescaped+quotes+NULL
std::string result;
result.reserve(maxsize); // to avoid lots of mallocs
result += "\"";
for (const char* c=value; *c != 0; ++c)
{
switch(*c)
{
case '\"':
result += "\\\"";
break;
case '\\':
result += "\\\\";
break;
case '\b':
result += "\\b";
break;
case '\f':
result += "\\f";
break;
case '\n':
result += "\\n";
break;
case '\r':
result += "\\r";
break;
case '\t':
result += "\\t";
break;
//case '/':
// Even though \/ is considered a legal escape in JSON, a bare
// slash is also legal, so I see no reason to escape it.
// (I hope I am not misunderstanding something.
// blep notes: actually escaping \/ may be useful in javascript to avoid </
// sequence.
// Should add a flag to allow this compatibility mode and prevent this
// sequence from occurring.
default:
if ( isControlCharacter( *c ) )
{
std::ostringstream oss;
oss << "\\u" << std::hex << std::uppercase << std::setfill('0') << std::setw(4) << static_cast<int>(*c);
result += oss.str();
}
else
{
result += *c;
}
break;
}
}
result += "\"";
return result;
}
// Class Writer
// //////////////////////////////////////////////////////////////////
Writer::~Writer()
{
}
// Class FastWriter
// //////////////////////////////////////////////////////////////////
FastWriter::FastWriter()
: yamlCompatiblityEnabled_( false )
{
}
void
FastWriter::enableYAMLCompatibility()
{
yamlCompatiblityEnabled_ = true;
}
std::string
FastWriter::write( const Value &root )
{
document_ = "";
writeValue( root );
document_ += "\n";
return document_;
}
void
FastWriter::writeValue( const Value &value )
{
switch ( value.type() )
{
case nullValue:
document_ += "null";
break;
case intValue:
document_ += valueToString( value.asLargestInt() );
break;
case uintValue:
document_ += valueToString( value.asLargestUInt() );
break;
case realValue:
document_ += valueToString( value.asDouble() );
break;
case stringValue:
document_ += valueToQuotedString( value.asCString() );
break;
case booleanValue:
document_ += valueToString( value.asBool() );
break;
case arrayValue:
{
document_ += "[";
int size = value.size();
for ( int index =0; index < size; ++index )
{
if ( index > 0 )
document_ += ",";
writeValue( value[index] );
}
document_ += "]";
}
break;
case objectValue:
{
Value::Members members( value.getMemberNames() );
document_ += "{";
for ( Value::Members::iterator it = members.begin();
it != members.end();
++it )
{
const std::string &name = *it;
if ( it != members.begin() )
document_ += ",";
document_ += valueToQuotedString( name.c_str() );
document_ += yamlCompatiblityEnabled_ ? ": "
: ":";
writeValue( value[name] );
}
document_ += "}";
}
break;
}
}
// Class StyledWriter
// //////////////////////////////////////////////////////////////////
StyledWriter::StyledWriter()
: rightMargin_( 74 )
, indentSize_( 3 )
{
}
std::string
StyledWriter::write( const Value &root )
{
document_ = "";
addChildValues_ = false;
indentString_ = "";
writeCommentBeforeValue( root );
writeValue( root );
writeCommentAfterValueOnSameLine( root );
document_ += "\n";
return document_;
}
void
StyledWriter::writeValue( const Value &value )
{
switch ( value.type() )
{
case nullValue:
pushValue( "null" );
break;
case intValue:
pushValue( valueToString( value.asLargestInt() ) );
break;
case uintValue:
pushValue( valueToString( value.asLargestUInt() ) );
break;
case realValue:
pushValue( valueToString( value.asDouble() ) );
break;
case stringValue:
pushValue( valueToQuotedString( value.asCString() ) );
break;
case booleanValue:
pushValue( valueToString( value.asBool() ) );
break;
case arrayValue:
writeArrayValue( value);
break;
case objectValue:
{
Value::Members members( value.getMemberNames() );
if ( members.empty() )
pushValue( "{}" );
else
{
writeWithIndent( "{" );
indent();
Value::Members::iterator it = members.begin();
for (;;)
{
const std::string &name = *it;
const Value &childValue = value[name];
writeCommentBeforeValue( childValue );
writeWithIndent( valueToQuotedString( name.c_str() ) );
document_ += " : ";
writeValue( childValue );
if ( ++it == members.end() )
{
writeCommentAfterValueOnSameLine( childValue );
break;
}
document_ += ",";
writeCommentAfterValueOnSameLine( childValue );
}
unindent();
writeWithIndent( "}" );
}
}
break;
}
}
void
StyledWriter::writeArrayValue( const Value &value )
{
unsigned size = value.size();
if ( size == 0 )
pushValue( "[]" );
else
{
bool isArrayMultiLine = isMultineArray( value );
if ( isArrayMultiLine )
{
writeWithIndent( "[" );
indent();
bool hasChildValue = !childValues_.empty();
unsigned index =0;
for (;;)
{
const Value &childValue = value[index];
writeCommentBeforeValue( childValue );
if ( hasChildValue )
writeWithIndent( childValues_[index] );
else
{
writeIndent();
writeValue( childValue );
}
if ( ++index == size )
{
writeCommentAfterValueOnSameLine( childValue );
break;
}
document_ += ",";
writeCommentAfterValueOnSameLine( childValue );
}
unindent();
writeWithIndent( "]" );
}
else // output on a single line
{
assert( childValues_.size() == size );
document_ += "[ ";
for ( unsigned index =0; index < size; ++index )
{
if ( index > 0 )
document_ += ", ";
document_ += childValues_[index];
}
document_ += " ]";
}
}
}
bool
StyledWriter::isMultineArray( const Value &value )
{
int size = value.size();
bool isMultiLine = size*3 >= rightMargin_ ;
childValues_.clear();
for ( int index =0; index < size && !isMultiLine; ++index )
{
const Value &childValue = value[index];
isMultiLine = isMultiLine ||
( (childValue.isArray() || childValue.isObject()) &&
childValue.size() > 0 );
}
if ( !isMultiLine ) // check if line length > max line length
{
childValues_.reserve( size );
addChildValues_ = true;
int lineLength = 4 + (size-1)*2; // '[ ' + ', '*n + ' ]'
for ( int index =0; index < size && !isMultiLine; ++index )
{
writeValue( value[index] );
lineLength += int( childValues_[index].length() );
isMultiLine = isMultiLine && hasCommentForValue( value[index] );
}
addChildValues_ = false;
isMultiLine = isMultiLine || lineLength >= rightMargin_;
}
return isMultiLine;
}
void
StyledWriter::pushValue( const std::string &value )
{
if ( addChildValues_ )
childValues_.push_back( value );
else
document_ += value;
}
void
StyledWriter::writeIndent()
{
if ( !document_.empty() )
{
char last = document_[document_.length()-1];
if ( last == ' ' ) // already indented
return;
if ( last != '\n' ) // Comments may add new-line
document_ += '\n';
}
document_ += indentString_;
}
void
StyledWriter::writeWithIndent( const std::string &value )
{
writeIndent();
document_ += value;
}
void
StyledWriter::indent()
{
indentString_ += std::string( indentSize_, ' ' );
}
void
StyledWriter::unindent()
{
assert( int(indentString_.size()) >= indentSize_ );
indentString_.resize( indentString_.size() - indentSize_ );
}
void
StyledWriter::writeCommentBeforeValue( const Value &root )
{
if ( !root.hasComment( commentBefore ) )
return;
document_ += normalizeEOL( root.getComment( commentBefore ) );
document_ += "\n";
}
void
StyledWriter::writeCommentAfterValueOnSameLine( const Value &root )
{
if ( root.hasComment( commentAfterOnSameLine ) )
document_ += " " + normalizeEOL( root.getComment( commentAfterOnSameLine ) );
if ( root.hasComment( commentAfter ) )
{
document_ += "\n";
document_ += normalizeEOL( root.getComment( commentAfter ) );
document_ += "\n";
}
}
bool
StyledWriter::hasCommentForValue( const Value &value )
{
return value.hasComment( commentBefore )
|| value.hasComment( commentAfterOnSameLine )
|| value.hasComment( commentAfter );
}
std::string
StyledWriter::normalizeEOL( const std::string &text )
{
std::string normalized;
normalized.reserve( text.length() );
const char *begin = text.c_str();
const char *end = begin + text.length();
const char *current = begin;
while ( current != end )
{
char c = *current++;
if ( c == '\r' ) // mac or dos EOL
{
if ( *current == '\n' ) // convert dos EOL
++current;
normalized += '\n';
}
else // handle unix EOL & other char
normalized += c;
}
return normalized;
}
// Class StyledStreamWriter
// //////////////////////////////////////////////////////////////////
StyledStreamWriter::StyledStreamWriter( std::string indentation )
: document_(NULL)
, rightMargin_( 74 )
, indentation_( indentation )
{
}
void
StyledStreamWriter::write( std::ostream &out, const Value &root )
{
document_ = &out;
addChildValues_ = false;
indentString_ = "";
writeCommentBeforeValue( root );
writeValue( root );
writeCommentAfterValueOnSameLine( root );
*document_ << "\n";
document_ = NULL; // Forget the stream, for safety.
}
void
StyledStreamWriter::writeValue( const Value &value )
{
switch ( value.type() )
{
case nullValue:
pushValue( "null" );
break;
case intValue:
pushValue( valueToString( value.asLargestInt() ) );
break;
case uintValue:
pushValue( valueToString( value.asLargestUInt() ) );
break;
case realValue:
pushValue( valueToString( value.asDouble() ) );
break;
case stringValue:
pushValue( valueToQuotedString( value.asCString() ) );
break;
case booleanValue:
pushValue( valueToString( value.asBool() ) );
break;
case arrayValue:
writeArrayValue( value);
break;
case objectValue:
{
Value::Members members( value.getMemberNames() );
if ( members.empty() )
pushValue( "{}" );
else
{
writeWithIndent( "{" );
indent();
Value::Members::iterator it = members.begin();
for (;;)
{
const std::string &name = *it;
const Value &childValue = value[name];
writeCommentBeforeValue( childValue );
writeWithIndent( valueToQuotedString( name.c_str() ) );
*document_ << " : ";
writeValue( childValue );
if ( ++it == members.end() )
{
writeCommentAfterValueOnSameLine( childValue );
break;
}
*document_ << ",";
writeCommentAfterValueOnSameLine( childValue );
}
unindent();
writeWithIndent( "}" );
}
}
break;
}
}
void
StyledStreamWriter::writeArrayValue( const Value &value )
{
unsigned size = value.size();
if ( size == 0 )
pushValue( "[]" );
else
{
bool isArrayMultiLine = isMultineArray( value );
if ( isArrayMultiLine )
{
writeWithIndent( "[" );
indent();
bool hasChildValue = !childValues_.empty();
unsigned index =0;
for (;;)
{
const Value &childValue = value[index];
writeCommentBeforeValue( childValue );
if ( hasChildValue )
writeWithIndent( childValues_[index] );
else
{
writeIndent();
writeValue( childValue );
}
if ( ++index == size )
{
writeCommentAfterValueOnSameLine( childValue );
break;
}
*document_ << ",";
writeCommentAfterValueOnSameLine( childValue );
}
unindent();
writeWithIndent( "]" );
}
else // output on a single line
{
assert( childValues_.size() == size );
*document_ << "[ ";
for ( unsigned index =0; index < size; ++index )
{
if ( index > 0 )
*document_ << ", ";
*document_ << childValues_[index];
}
*document_ << " ]";
}
}
}
bool
StyledStreamWriter::isMultineArray( const Value &value )
{
int size = value.size();
bool isMultiLine = size*3 >= rightMargin_ ;
childValues_.clear();
for ( int index =0; index < size && !isMultiLine; ++index )
{
const Value &childValue = value[index];
isMultiLine = isMultiLine ||
( (childValue.isArray() || childValue.isObject()) &&
childValue.size() > 0 );
}
if ( !isMultiLine ) // check if line length > max line length
{
childValues_.reserve( size );
addChildValues_ = true;
int lineLength = 4 + (size-1)*2; // '[ ' + ', '*n + ' ]'
for ( int index =0; index < size && !isMultiLine; ++index )
{
writeValue( value[index] );
lineLength += int( childValues_[index].length() );
isMultiLine = isMultiLine && hasCommentForValue( value[index] );
}
addChildValues_ = false;
isMultiLine = isMultiLine || lineLength >= rightMargin_;
}
return isMultiLine;
}
void
StyledStreamWriter::pushValue( const std::string &value )
{
if ( addChildValues_ )
childValues_.push_back( value );
else
*document_ << value;
}
void
StyledStreamWriter::writeIndent()
{
/*
Some comments in this method would have been nice. ;-)
if ( !document_.empty() )
{
char last = document_[document_.length()-1];
if ( last == ' ' ) // already indented
return;
if ( last != '\n' ) // Comments may add new-line
*document_ << '\n';
}
*/
*document_ << '\n' << indentString_;
}
void
StyledStreamWriter::writeWithIndent( const std::string &value )
{
writeIndent();
*document_ << value;
}
void
StyledStreamWriter::indent()
{
indentString_ += indentation_;
}
void
StyledStreamWriter::unindent()
{
assert( indentString_.size() >= indentation_.size() );
indentString_.resize( indentString_.size() - indentation_.size() );
}
void
StyledStreamWriter::writeCommentBeforeValue( const Value &root )
{
if ( !root.hasComment( commentBefore ) )
return;
*document_ << normalizeEOL( root.getComment( commentBefore ) );
*document_ << "\n";
}
void
StyledStreamWriter::writeCommentAfterValueOnSameLine( const Value &root )
{
if ( root.hasComment( commentAfterOnSameLine ) )
*document_ << " " + normalizeEOL( root.getComment( commentAfterOnSameLine ) );
if ( root.hasComment( commentAfter ) )
{
*document_ << "\n";
*document_ << normalizeEOL( root.getComment( commentAfter ) );
*document_ << "\n";
}
}
bool
StyledStreamWriter::hasCommentForValue( const Value &value )
{
return value.hasComment( commentBefore )
|| value.hasComment( commentAfterOnSameLine )
|| value.hasComment( commentAfter );
}
std::string
StyledStreamWriter::normalizeEOL( const std::string &text )
{
std::string normalized;
normalized.reserve( text.length() );
const char *begin = text.c_str();
const char *end = begin + text.length();
const char *current = begin;
while ( current != end )
{
char c = *current++;
if ( c == '\r' ) // mac or dos EOL
{
if ( *current == '\n' ) // convert dos EOL
++current;
normalized += '\n';
}
else // handle unix EOL & other char
normalized += c;
}
return normalized;
}
std::ostream& operator<<( std::ostream &sout, const Value &root )
{
Json::StyledStreamWriter writer;
writer.write(sout, root);
return sout;
}
} // namespace Json

View File

@ -117,6 +117,11 @@ error_no_ZT_ARCH_defined;
*/
#define ZT_DEFAULT_UDP_PORT 8993
/**
* Local control port, also used for multiple invocation check
*/
#define ZT_CONTROL_UDP_PORT 39393
/**
* Default payload MTU for UDP packets
*
@ -151,13 +156,6 @@ error_no_ZT_ARCH_defined;
*/
#define ZT_IF_MTU 2800
/**
* Maximum number of networks we can be a member of
*
* This is a safe value that's within the tap device limit on all known OSes.
*/
#define ZT_MAX_NETWORK_MEMBERSHIPS 16
/**
* Maximum number of packet fragments we'll support
*
@ -233,20 +231,15 @@ error_no_ZT_ARCH_defined;
#define ZT_MULTICAST_PROPAGATION_DEPTH 7
/**
* Length of circular ring buffer history of multicast packets
* Length of ring buffer history of recent multicast packets
*/
#define ZT_MULTICAST_DEDUP_HISTORY_LENGTH 1024
/**
* Expiration time in ms for multicast history items
* Expiration time in ms for multicast deduplication history items
*/
#define ZT_MULTICAST_DEDUP_HISTORY_EXPIRE 4000
/**
* Number of bits to randomly "decay" in bloom filter per hop
*/
#define ZT_MULTICAST_BLOOM_FILTER_DECAY_RATE 2
/**
* Period between announcements of all multicast 'likes' in ms
*
@ -281,23 +274,6 @@ error_no_ZT_ARCH_defined;
*/
#define ZT_PEER_DIRECT_PING_DELAY 120000
/**
* Period between rechecks of autoconfigure URL
*
* This is in the absence of an external message ordering a recheck.
*/
#define ZT_AUTOCONFIGURE_INTERVAL 3600000
/**
* Period between autoconfigure attempts if no successful autoconfig
*/
#define ZT_AUTOCONFIGURE_CHECK_DELAY 15000
/**
* Delay between updates of status file in home directory
*/
#define ZT_STATUS_OUTPUT_PERIOD 120000
/**
* Minimum delay in Node service loop
*
@ -348,9 +324,4 @@ error_no_ZT_ARCH_defined;
*/
#define ZT_RENDEZVOUS_NAT_T_DELAY 500
/**
* Generate a new ownership verify secret on launch if older than this
*/
#define ZT_OVS_GENERATE_NEW_IF_OLDER_THAN 86400000
#endif

View File

@ -68,9 +68,7 @@ static inline std::map< Identity,std::vector<InetAddress> > _mkSupernodeMap()
Defaults::Defaults()
throw(std::runtime_error) :
supernodes(_mkSupernodeMap()),
configUrlPrefix("http://api.zerotier.com/one/nc/"),
configAuthority("f9f34184ac:1:AwGgrWjb8dARXzruqxiy1+Qf+gz4iM5IMfQTCWrJXkwERdvbvxTPZvtIyitw4gS90TGIxW+e7uJxweg9Vyq5lZJBrg==:QeEQLm9ymLC3EcnIw2OUqufUwb2wgHSAg6wQOXKyhT779p/8Hz5485PZLJCbr/aVHjwzop8APJk9B45Zm0Mb/LEhQTBMH2jvc7qqoYnMCNCO9jpADeMJwMW5e1VFgIObWl9uNjhRbf5/m8dZcn0pKKGwjSoP1QTeVWOC8GkZhE25bUWj")
supernodes(_mkSupernodeMap())
{
}

View File

@ -55,16 +55,6 @@ public:
* Supernodes on the ZeroTier network
*/
const std::map< Identity,std::vector<InetAddress> > supernodes;
/**
* URL prefix for autoconfiguration
*/
const std::string configUrlPrefix;
/**
* Identity used to encrypt and authenticate configuration from URL
*/
const std::string configAuthority;
};
extern const Defaults ZT_DEFAULTS;

View File

@ -100,7 +100,7 @@ bool Demarc::bindLocalUdp(unsigned int localPort)
DemarcPortObj *v4r = &(_ports[(Port)v4p]);
v4r->port = (Port)v4p;
v4r->parent = this;
v4r->obj = v4 = new UdpSocket(localPort,false,&Demarc::_CBudpSocketPacketHandler,v4r);
v4r->obj = v4 = new UdpSocket(false,localPort,false,&Demarc::_CBudpSocketPacketHandler,v4r);
v4r->type = PORT_TYPE_UDP_SOCKET_V4;
} catch ( ... ) {
_ports.erase((Port)v4p);
@ -112,7 +112,7 @@ bool Demarc::bindLocalUdp(unsigned int localPort)
DemarcPortObj *v6r = &(_ports[(Port)v6p]);
v6r->port = (Port)v6p;
v6r->parent = this;
v6r->obj = v6 = new UdpSocket(localPort,true,&Demarc::_CBudpSocketPacketHandler,v6r);
v6r->obj = v6 = new UdpSocket(false,localPort,true,&Demarc::_CBudpSocketPacketHandler,v6r);
v6r->type = PORT_TYPE_UDP_SOCKET_V6;
} catch ( ... ) {
_ports.erase((Port)v6p);

View File

@ -27,34 +27,48 @@
#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#include <stdint.h>
#include <memory>
#include <string>
#include <json/json.h>
#include <openssl/sha.h>
#include "NodeConfig.hpp"
#include "RuntimeEnvironment.hpp"
#include "Defaults.hpp"
#include "Utils.hpp"
#include "Logger.hpp"
#include "Topology.hpp"
#include "Demarc.hpp"
#include "InetAddress.hpp"
#include "Peer.hpp"
#include "Salsa20.hpp"
#include "HMAC.hpp"
namespace ZeroTier {
NodeConfig::NodeConfig(const RuntimeEnvironment *renv,const std::string &url) :
NodeConfig::NodeConfig(const RuntimeEnvironment *renv,const char *authToken)
throw(std::runtime_error) :
_r(renv),
_lastAutoconfigure(0),
_lastAutoconfigureLastModified(),
_url(url),
_autoconfigureLock(),
_networks(),
_networks_m()
_authToken(authToken),
_controlSocket(true,ZT_CONTROL_UDP_PORT,false,&_CBcontrolPacketHandler,this)
{
SHA256_CTX sha;
SHA256_Init(&sha);
SHA256_Update(&sha,_authToken.data(),_authToken.length());
SHA256_Final(_keys,&sha); // first 32 bytes of keys[]: Salsa20 key
SHA256_Init(&sha);
SHA256_Update(&sha,_keys,32);
SHA256_Update(&sha,_authToken.data(),_authToken.length());
SHA256_Final(_keys + 32,&sha); // second 32 bytes of keys[]: HMAC key
}
NodeConfig::~NodeConfig()
{
_autoconfigureLock.lock(); // wait for any autoconfs to finish
_autoconfigureLock.unlock();
}
void NodeConfig::whackAllTaps()
@ -65,150 +79,128 @@ void NodeConfig::whackAllTaps()
n->second->tap().whack();
}
void NodeConfig::refreshConfiguration()
// Macro used in execute()
#undef _P
#define _P(f,...) { r.push_back(std::string()); Utils::stdsprintf(r.back(),(f),##__VA_ARGS__); }
// Used with Topology::eachPeer to dump peer stats
class _DumpPeerStatistics
{
_autoconfigureLock.lock(); // unlocked when handler gets called
TRACE("refreshing autoconfigure URL %s (if modified since: '%s')",_url.c_str(),_lastAutoconfigureLastModified.c_str());
std::map<std::string,std::string> reqHeaders;
reqHeaders["X-ZT-ID"] = _r->identity.toString(false);
reqHeaders["X-ZT-OVSH"] = _r->ownershipVerificationSecretHash;
if (_lastAutoconfigureLastModified.length())
reqHeaders["If-Modified-Since"] = _lastAutoconfigureLastModified;
new Http::Request(Http::HTTP_METHOD_GET,_url,reqHeaders,std::string(),&NodeConfig::_CBautoconfHandler,this);
}
void NodeConfig::__CBautoconfHandler(const std::string &lastModified,const std::string &body)
{
try {
Json::Value root;
Json::Reader reader;
std::string dec(_r->identity.decrypt(_r->configAuthority,body.data(),body.length()));
if (!dec.length()) {
LOG("autoconfigure from %s failed: data did not decrypt as from config authority %s",_url.c_str(),_r->configAuthority.address().toString().c_str());
return;
}
TRACE("decrypted autoconf: %s",dec.c_str());
if (!reader.parse(dec,root,false)) {
LOG("autoconfigure from %s failed: JSON parse error: %s",_url.c_str(),reader.getFormattedErrorMessages().c_str());
return;
}
if (!root.isObject()) {
LOG("autoconfigure from %s failed: not a JSON object",_url.c_str());
return;
}
// Configure networks
const Json::Value &networks = root["_networks"];
if (networks.isArray()) {
Mutex::Lock _l(_networks_m);
for(unsigned int ni=0;ni<networks.size();++ni) {
if (networks[ni].isObject()) {
const Json::Value &nwid_ = networks[ni]["id"];
uint64_t nwid = nwid_.isNumeric() ? (uint64_t)nwid_.asUInt64() : (uint64_t)strtoull(networks[ni]["id"].asString().c_str(),(char **)0,10);
if (nwid) {
SharedPtr<Network> nw;
std::map< uint64_t,SharedPtr<Network> >::iterator nwent(_networks.find(nwid));
if (nwent != _networks.end())
nw = nwent->second;
else {
try {
nw = SharedPtr<Network>(new Network(_r,nwid));
_networks[nwid] = nw;
} catch (std::exception &exc) {
LOG("unable to create network %llu: %s",nwid,exc.what());
} catch ( ... ) {
LOG("unable to create network %llu: unknown exception",nwid);
}
}
if (nw) {
Mutex::Lock _l2(nw->_lock);
nw->_open = networks[ni]["isOpen"].asBool();
// Ensure that TAP device has all the right IP addresses
// TODO: IPv6 might work a tad differently
std::set<InetAddress> allIps;
const Json::Value &addresses = networks[ni]["_addresses"];
if (addresses.isArray()) {
for(unsigned int ai=0;ai<addresses.size();++ai) {
if (addresses[ai].isString()) {
InetAddress addr(addresses[ai].asString());
if (addr) {
TRACE("network %llu IP/netmask: %s",nwid,addr.toString().c_str());
allIps.insert(addr);
}
}
}
}
nw->_tap.setIps(allIps);
// NOTE: the _members field is optional for open networks,
// since members of open nets do not need to check membership
// of packet senders and mutlicasters.
const Json::Value &members = networks[ni]["_members"];
nw->_members.clear();
if (members.isArray()) {
for(unsigned int mi=0;mi<members.size();++mi) {
std::string rawAddr(Utils::unhex(members[mi].asString()));
if (rawAddr.length() == ZT_ADDRESS_LENGTH) {
Address addr(rawAddr.data());
if ((addr)&&(!addr.isReserved())) {
//TRACE("network %llu member: %s",nwid,addr.toString().c_str());
nw->_members.insert(addr);
}
}
}
}
}
} else {
TRACE("ignored networks[%u], 'id' field missing");
}
} else {
TRACE("ignored networks[%u], not a JSON object",ni);
}
}
}
_lastAutoconfigure = Utils::now();
_lastAutoconfigureLastModified = lastModified;
} catch (std::exception &exc) {
TRACE("exception parsing autoconf URL response: %s",exc.what());
} catch ( ... ) {
TRACE("unexpected exception parsing autoconf URL response");
public:
_DumpPeerStatistics(std::vector<std::string> &out) :
r(out),
_now(Utils::now())
{
}
}
bool NodeConfig::_CBautoconfHandler(Http::Request *req,void *arg,const std::string &url,int code,const std::map<std::string,std::string> &headers,const std::string &body)
inline void operator()(Topology &t,const SharedPtr<Peer> &p)
{
InetAddress v4(p->ipv4ActivePath(_now));
InetAddress v6(p->ipv6ActivePath(_now));
_P("200 listpeers %s %s %s %u",
p->address().toString().c_str(),
((v4) ? v4.toString().c_str() : "(none)"),
((v6) ? v6.toString().c_str() : "(none)"),
(((v4)||(v6)) ? p->latency() : 0));
}
private:
std::vector<std::string> &r;
uint64_t _now;
};
std::vector<std::string> NodeConfig::execute(const char *command)
{
#ifdef ZT_TRACE
const RuntimeEnvironment *_r = ((NodeConfig *)arg)->_r;
#endif
std::vector<std::string> r;
std::vector<std::string> cmd(Utils::split(command,"\r\n \t","\\","'"));
if (code == 200) {
TRACE("200 got autoconfigure response from %s: %u bytes",url.c_str(),(unsigned int)body.length());
//
// Not coincidentally, response type codes correspond with HTTP
// status codes.
//
std::map<std::string,std::string>::const_iterator lm(headers.find("Last-Modified"));
if (lm != headers.end())
((NodeConfig *)arg)->__CBautoconfHandler(lm->second,body);
else ((NodeConfig *)arg)->__CBautoconfHandler(std::string(),body);
} else if (code == 304) {
TRACE("304 autoconfigure deferred, remote URL %s not modified",url.c_str());
((NodeConfig *)arg)->_lastAutoconfigure = Utils::now(); // still considered a success
} else if (code == 409) { // conflict, ID address in use by another ID
TRACE("%d autoconfigure failed from %s",code,url.c_str());
if ((cmd.empty())||(cmd[0] == "help")) {
_P("200 help help");
_P("200 help listpeers");
_P("200 help listnetworks");
_P("200 help join <network ID> [<network invitation code>]");
_P("200 help leave <network ID>");
} else if (cmd[0] == "listpeers") {
_r->topology->eachPeer(_DumpPeerStatistics(r));
} else if (cmd[0] == "listnetworks") {
Mutex::Lock _l(_networks_m);
for(std::map< uint64_t,SharedPtr<Network> >::const_iterator nw(_networks.begin());nw!=_networks.end();++nw) {
_P("200 listnetworks %llu %s %s",
nw->first,
nw->second->tap().deviceName().c_str(),
(nw->second->open() ? "public" : "private"));
}
} else if (cmd[0] == "join") {
_P("404 join Not implemented yet.");
} else if (cmd[0] == "leave") {
_P("404 leave Not implemented yet.");
} else {
TRACE("%d autoconfigure failed from %s",code,url.c_str());
_P("404 %s No such command. Use 'help' for help.",cmd[0].c_str());
}
((NodeConfig *)arg)->_autoconfigureLock.unlock();
return false; // causes Request to delete itself
return r;
}
void NodeConfig::_CBcontrolPacketHandler(UdpSocket *sock,void *arg,const InetAddress &remoteAddr,const void *data,unsigned int len)
{
char hmacKey[32];
char hmac[32];
char buf[131072];
NodeConfig *nc = (NodeConfig *)arg;
const RuntimeEnvironment *_r = nc->_r;
try {
// Minimum length
if (len < 24)
return;
if (len >= sizeof(buf)) // only up to len - 24 bytes are used on receive/decrypt
return;
// Compare first 16 bytes of HMAC, which is after IV in packet
memcpy(hmacKey,nc->_keys + 32,32);
*((uint64_t *)hmacKey) ^= *((const uint64_t *)data); // include IV in HMAC
HMAC::sha256(hmacKey,32,((const unsigned char *)data) + 24,len - 24,hmac);
if (memcmp(hmac,((const unsigned char *)data) + 8,16))
return;
// Decrypt payload if we passed HMAC
Salsa20 s20(nc->_keys,256,data); // first 64 bits of data are IV
s20.decrypt(((const unsigned char *)data) + 24,buf,len - 24);
// Null-terminate string for execute()
buf[len - 24] = (char)0;
// Execute command
std::vector<std::string> r(nc->execute(buf));
// Result packet contains a series of null-terminated results
unsigned int resultLen = 24;
for(std::vector<std::string>::iterator i(r.begin());i!=r.end();++i) {
if ((resultLen + i->length() + 1) >= sizeof(buf))
return; // result too long
memcpy(buf + resultLen,i->c_str(),i->length() + 1);
resultLen += i->length() + 1;
}
// Generate result packet IV
Utils::getSecureRandom(buf,8);
// Generate result packet HMAC
memcpy(hmacKey,nc->_keys + 32,32);
*((uint64_t *)hmacKey) ^= *((const uint64_t *)buf); // include IV in HMAC
HMAC::sha256(hmacKey,32,((const unsigned char *)buf) + 24,resultLen - 24,hmac);
memcpy(buf + 8,hmac,16);
// Send encrypted result back to requester
sock->send(remoteAddr,buf,resultLen,-1);
} catch ( ... ) {
TRACE("unexpected exception parsing control packet or generating response");
}
}
} // namespace ZeroTier

View File

@ -31,11 +31,14 @@
#include <map>
#include <set>
#include <string>
#include <vector>
#include <stdexcept>
#include <stdint.h>
#include "SharedPtr.hpp"
#include "Network.hpp"
#include "Utils.hpp"
#include "Http.hpp"
#include "UdpSocket.hpp"
namespace ZeroTier {
@ -49,9 +52,11 @@ class NodeConfig
public:
/**
* @param renv Runtime environment
* @param url Autoconfiguration URL (http:// or file://)
* @param authToken Configuration authentication token
* @throws std::runtime_error Unable to bind to local control port
*/
NodeConfig(const RuntimeEnvironment *renv,const std::string &url);
NodeConfig(const RuntimeEnvironment *renv,const char *authToken)
throw(std::runtime_error);
~NodeConfig();
@ -106,32 +111,22 @@ public:
}
/**
* @return Time of last successful autoconfigure or refresh
* Execute a command
*
* @param command Command and arguments separated by whitespace (must already be trimmed of CR+LF, etc.)
* @return One or more command results (lines of output)
*/
inline uint64_t lastAutoconfigure() const { return _lastAutoconfigure; }
/**
* @return Autoconfiguration URL
*/
inline const std::string &url() const { return _url; }
/**
* Refresh configuration from autoconf URL
*/
void refreshConfiguration();
std::vector<std::string> execute(const char *command);
private:
void __CBautoconfHandler(const std::string &lastModified,const std::string &body);
static bool _CBautoconfHandler(Http::Request *req,void *arg,const std::string &url,int code,const std::map<std::string,std::string> &headers,const std::string &body);
static void _CBcontrolPacketHandler(UdpSocket *sock,void *arg,const InetAddress &remoteAddr,const void *data,unsigned int len);
const RuntimeEnvironment *_r;
volatile uint64_t _lastAutoconfigure;
std::string _lastAutoconfigureLastModified;
std::string _url;
Mutex _autoconfigureLock;
const std::string _authToken;
unsigned char _keys[64]; // Salsa20 key, HMAC key
UdpSocket _controlSocket;
std::map< uint64_t,SharedPtr<Network> > _networks;
Mutex _networks_m;
};

View File

@ -271,35 +271,6 @@ public:
std::vector< SharedPtr<Peer> > &_v;
};
/**
* Dump peer I/O statistics to an open FILE (for status reporting and debug)
*/
class DumpPeerStatistics
{
public:
DumpPeerStatistics(FILE *out) :
_out(out),
_now(Utils::now())
{
fprintf(_out,"Peer Direct IPv4 Direct IPv6 Latency(ms)"ZT_EOL_S);
}
inline void operator()(Topology &t,const SharedPtr<Peer> &p)
{
InetAddress v4(p->ipv4ActivePath(_now));
InetAddress v6(p->ipv6ActivePath(_now));
fprintf(_out,"%-10s %-21s %-51s %u"ZT_EOL_S,
p->address().toString().c_str(),
((v4) ? v4.toString().c_str() : "(none)"),
((v6) ? v6.toString().c_str() : "(none)"),
p->latency());
}
private:
FILE *_out;
uint64_t _now;
};
protected:
virtual void main()
throw();

View File

@ -49,6 +49,7 @@
namespace ZeroTier {
UdpSocket::UdpSocket(
bool localOnly,
int localPort,
bool ipv6,
void (*packetHandler)(UdpSocket *,void *,const InetAddress &,const void *,unsigned int),
@ -87,7 +88,9 @@ UdpSocket::UdpSocket(
memset(&sin6,0,sizeof(sin6));
sin6.sin6_family = AF_INET6;
sin6.sin6_port = htons(localPort);
memcpy(&(sin6.sin6_addr),&in6addr_any,sizeof(struct in6_addr));
if (localOnly)
memcpy(&(sin6.sin6_addr.s6_addr),InetAddress::LO6.rawIpBytes(),16);
else memcpy(&(sin6.sin6_addr),&in6addr_any,sizeof(struct in6_addr));
if (::bind(_sock,(const struct sockaddr *)&sin6,sizeof(sin6))) {
::close(_sock);
throw std::runtime_error("unable to bind to port");
@ -109,7 +112,9 @@ UdpSocket::UdpSocket(
memset(&sin,0,sizeof(sin));
sin.sin_family = AF_INET;
sin.sin_port = htons(localPort);
sin.sin_addr.s_addr = INADDR_ANY;
if (localOnly)
memcpy(&(sin.sin_addr.s_addr),InetAddress::LO4.rawIpBytes(),4);
else sin.sin_addr.s_addr = INADDR_ANY;
if (::bind(_sock,(const struct sockaddr *)&sin,sizeof(sin))) {
::close(_sock);
throw std::runtime_error("unable to bind to port");

View File

@ -46,6 +46,7 @@ public:
/**
* Create and bind a local UDP socket
*
* @param localOnly If true, bind to loopback address only
* @param localPort Local port to listen to
* @param ipv6 If true, bind this as an IPv6 socket, otherwise IPv4
* @param packetHandler Function to call when packets are read
@ -53,6 +54,7 @@ public:
* @throws std::runtime_error Unable to bind
*/
UdpSocket(
bool localOnly,
int localPort,
bool ipv6,
void (*packetHandler)(UdpSocket *,void *,const InetAddress &,const void *,unsigned int),

View File

@ -28,6 +28,7 @@
#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#include <stdarg.h>
#include "Utils.hpp"
#include "Mutex.hpp"
@ -530,4 +531,20 @@ std::string Utils::trim(const std::string &s)
return s.substr(start,end - start);
}
void Utils::stdsprintf(std::string &s,const char *fmt,...)
throw(std::bad_alloc,std::length_error)
{
char buf[65536];
va_list ap;
va_start(ap,fmt);
int n = vsnprintf(buf,sizeof(buf),fmt,ap);
va_end(ap);
if ((n >= (int)sizeof(buf))||(n < 0))
throw std::length_error("printf result too large");
s.append(buf);
}
} // namespace ZeroTier

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@ -34,6 +34,7 @@
#include <time.h>
#include <sys/time.h>
#include <arpa/inet.h>
#include <string>
#include <stdexcept>
#include <vector>
@ -391,6 +392,18 @@ public:
*/
static std::string trim(const std::string &s);
/**
* Like sprintf, but appends to std::string
*
* @param s String to append to
* @param fmt Printf format string
* @param ... Format arguments
* @throws std::bad_alloc Memory allocation failure
* @throws std::length_error Format + args exceeds internal buffer maximum
*/
static void stdsprintf(std::string &s,const char *fmt,...)
throw(std::bad_alloc,std::length_error);
/**
* Count the number of bits set in an integer
*

View File

@ -1,9 +1,6 @@
OBJS=\
ext/http-parser/http_parser.o \
ext/huffandpuff/huffman.o \
ext/jsoncpp/src/json_reader.o \
ext/jsoncpp/src/json_value.o \
ext/jsoncpp/src/json_writer.o \
ext/kissdb/kissdb.o \
ext/lz4/lz4hc.o \
ext/lz4/lz4.o \