mirror of
https://github.com/mapbox/tippecanoe.git
synced 2025-01-21 03:55:00 +00:00
136 lines
3.8 KiB
C++
136 lines
3.8 KiB
C++
#ifndef SERIAL_HPP
|
|
#define SERIAL_HPP
|
|
|
|
#include <stddef.h>
|
|
#include <stdio.h>
|
|
#include <vector>
|
|
#include <sys/stat.h>
|
|
#include "geometry.hpp"
|
|
#include "mbtiles.hpp"
|
|
#include "jsonpull/jsonpull.h"
|
|
|
|
size_t fwrite_check(const void *ptr, size_t size, size_t nitems, FILE *stream, const char *fname);
|
|
|
|
void serialize_int(FILE *out, int n, long long *fpos, const char *fname);
|
|
void serialize_long_long(FILE *out, long long n, long long *fpos, const char *fname);
|
|
void serialize_ulong_long(FILE *out, unsigned long long n, long long *fpos, const char *fname);
|
|
void serialize_byte(FILE *out, signed char n, long long *fpos, const char *fname);
|
|
void serialize_uint(FILE *out, unsigned n, long long *fpos, const char *fname);
|
|
void serialize_string(FILE *out, const char *s, long long *fpos, const char *fname);
|
|
|
|
void deserialize_int(char **f, int *n);
|
|
void deserialize_long_long(char **f, long long *n);
|
|
void deserialize_ulong_long(char **f, unsigned long long *n);
|
|
void deserialize_uint(char **f, unsigned *n);
|
|
void deserialize_byte(char **f, signed char *n);
|
|
|
|
int deserialize_int_io(FILE *f, int *n, long long *geompos);
|
|
int deserialize_long_long_io(FILE *f, long long *n, long long *geompos);
|
|
int deserialize_ulong_long_io(FILE *f, unsigned long long *n, long long *geompos);
|
|
int deserialize_uint_io(FILE *f, unsigned *n, long long *geompos);
|
|
int deserialize_byte_io(FILE *f, signed char *n, long long *geompos);
|
|
|
|
struct serial_val {
|
|
int type;
|
|
std::string s;
|
|
};
|
|
|
|
struct serial_feature {
|
|
long long layer;
|
|
int segment;
|
|
long long seq;
|
|
|
|
signed char t;
|
|
signed char feature_minzoom;
|
|
|
|
bool has_id;
|
|
unsigned long long id;
|
|
|
|
bool has_tippecanoe_minzoom;
|
|
int tippecanoe_minzoom;
|
|
|
|
bool has_tippecanoe_maxzoom;
|
|
int tippecanoe_maxzoom;
|
|
|
|
drawvec geometry;
|
|
unsigned long long index;
|
|
long long extent;
|
|
|
|
size_t m;
|
|
std::vector<long long> keys;
|
|
std::vector<long long> values;
|
|
long long metapos;
|
|
|
|
// XXX This isn't serialized. Should it be here?
|
|
long long bbox[4];
|
|
std::vector<std::string> full_keys;
|
|
std::vector<serial_val> full_values;
|
|
std::string layername;
|
|
};
|
|
|
|
void serialize_feature(FILE *geomfile, serial_feature *sf, long long *geompos, const char *fname, long long wx, long long wy, bool include_minzoom);
|
|
serial_feature deserialize_feature(FILE *geoms, long long *geompos_in, char *metabase, long long *meta_off, unsigned z, unsigned tx, unsigned ty, unsigned *initial_x, unsigned *initial_y);
|
|
|
|
struct reader {
|
|
int metafd;
|
|
int poolfd;
|
|
int treefd;
|
|
int geomfd;
|
|
int indexfd;
|
|
|
|
FILE *metafile;
|
|
struct memfile *poolfile;
|
|
struct memfile *treefile;
|
|
FILE *geomfile;
|
|
FILE *indexfile;
|
|
|
|
long long metapos;
|
|
long long geompos;
|
|
long long indexpos;
|
|
|
|
long long file_bbox[4];
|
|
|
|
struct stat geomst;
|
|
struct stat metast;
|
|
|
|
char *geom_map;
|
|
};
|
|
|
|
struct serialization_state {
|
|
const char *fname; // source file name
|
|
int line; // user-oriented location within source for error reports
|
|
|
|
volatile long long *layer_seq; // sequence within current layer
|
|
volatile long long *progress_seq; // overall sequence for progress indicator
|
|
|
|
struct reader *readers; // array of data for each input thread
|
|
int segment; // the current input thread
|
|
|
|
unsigned *initial_x; // relative offset of all geometries
|
|
unsigned *initial_y;
|
|
int *initialized;
|
|
|
|
double *dist_sum; // running tally for calculation of resolution within features
|
|
size_t *dist_count;
|
|
bool want_dist;
|
|
|
|
int maxzoom;
|
|
int basezoom;
|
|
|
|
bool filters;
|
|
bool uses_gamma;
|
|
|
|
std::map<std::string, layermap_entry> *layermap;
|
|
|
|
std::map<std::string, int> const *attribute_types;
|
|
std::set<std::string> *exclude;
|
|
std::set<std::string> *include;
|
|
int exclude_all;
|
|
json_object *filter;
|
|
};
|
|
|
|
int serialize_feature(struct serialization_state *sst, serial_feature &sf);
|
|
void coerce_value(std::string const &key, int &vt, std::string &val, std::map<std::string, int> const *attribute_types);
|
|
|
|
#endif
|