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318 lines
7.6 KiB
C++
318 lines
7.6 KiB
C++
/*
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* \brief Test for XML parser
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* \author Norman Feske
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* \date 2007-08-21
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*/
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#include <util/xml_node.h>
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#include <base/printf.h>
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using namespace Genode;
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/****************
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** Test cases **
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****************/
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/* valid example of XML structure */
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static const char *xml_test_valid =
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"<config>"
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" <program>"
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" <filename>init</filename>"
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" <quota>16M</quota>"
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" </program>"
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" <!-- comment -->"
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" <program>"
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" <filename>timer</filename>"
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" <quota>64K</quota>"
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" <!-- <quota>32K</quota> -->"
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" </program>"
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" <program>"
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" <filename>framebuffer</filename>"
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" <quota>8M</quota>"
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" </program>"
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"</config>";
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/* the first 'program' tag is broken */
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static const char *xml_test_broken_tag =
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"<config>"
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" <program >"
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" <filename>init</filename>"
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" <quota>16M</quota>"
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" </program>"
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" <!-- comment -->"
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" <program>"
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" <filename>timer</filename>"
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" <quota>64K</quota>"
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" </program>"
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" <program>"
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" <filename>framebuffer</filename>"
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" <quota>8M</quota>"
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" </program>"
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"</config>";
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/* end tag is missing */
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static const char *xml_test_truncated =
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"<config>"
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" <program >"
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" <filename>init</filename>"
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" <quota>16M</quota>"
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" </program>"
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" <!-- comment -->"
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" <program>"
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" <filename>timer</filename>"
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" <quota>64K</quota>"
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" </program>"
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" <program>"
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" <filename>framebuffer</filename>"
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" <quota>8M</quota>"
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" </program>";
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/* comment end tag is missing */
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static const char *xml_test_truncated_comment =
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"<config>"
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" <program>"
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" <filename>init</filename>"
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" <quota>16M</quota>"
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" </program>"
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" <!-- comment -->"
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" <program>"
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" <filename>timer</filename>"
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" <quota>64K</quota>"
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" <!-- truncated comment"
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" </program>"
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" <program>"
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" <filename>framebuffer</filename>"
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" <quota>8M</quota>"
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" </program>"
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"</config>";
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/* contains unfinished string */
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static const char *xml_test_unfinished_string =
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"<config>"
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" <program>"
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" <filename>init</filename>"
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" <quota>16M</quota>"
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" </program>"
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" <!-- comment -->"
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" <program>"
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" <filename>\"unfinished string</filename>"
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" <quota>64K</quota>"
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" </program>"
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" <program>"
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" <filename>framebuffer</filename>"
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" <quota>8M</quota>"
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" </program>"
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"</config>";
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/* valid XML structure attributes */
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static const char *xml_test_attributes =
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"<config priolevels=\"4\">"
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" <program>"
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" <filename>init</filename>"
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" <quota>16M</quota>"
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" </program>"
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" <single-tag/>"
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" <single-tag-with-attr name=\"ein_name\" quantum=\"2K\" />"
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"</config>";
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/* valid example of XML structure with text between nodes */
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static const char *xml_test_text_between_nodes =
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"<config>"
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" sometext1"
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" <program attr=\"abcd\"/>"
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" sometext2"
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" <program>inProgram</program>"
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" sometext3"
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"</config>";
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/* strange but valid XML comments */
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static const char *xml_test_comments =
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"<config>"
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"<visible-tag/>"
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"<!---->"
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"<!-- <invisible-tag/> -->"
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"<!--<invisible-tag/>-->"
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"<!--invisible-tag></invisible-tag-->"
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"<visible-tag/>"
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"</config>";
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/******************
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** Test program **
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******************/
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/**
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* Print attributes of XML token
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*/
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template <typename SCANNER_POLICY>
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static const char *token_type_string(typename Token<SCANNER_POLICY>::Type token_type)
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{
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switch (token_type) {
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case Token<SCANNER_POLICY>::SINGLECHAR: return "SINGLECHAR";
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case Token<SCANNER_POLICY>::NUMBER : return "NUMBER";
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case Token<SCANNER_POLICY>::IDENT : return "IDENT";
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case Token<SCANNER_POLICY>::STRING : return "STRING";
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case Token<SCANNER_POLICY>::WHITESPACE: return "WHITESPACE";
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case Token<SCANNER_POLICY>::END : return "END";
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}
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return "<invalid>";
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}
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/**
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* Print attributes of XML token
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*/
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template <typename SCANNER_POLICY>
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static void print_xml_token_info(Token<SCANNER_POLICY> xml_token)
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{
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static char content_buf[128];
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xml_token.string(content_buf, sizeof(content_buf));
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printf("token type=\"%s\", len=%ld, content=\"%s\"\n",
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token_type_string<SCANNER_POLICY>(xml_token.type()),
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xml_token.len(), content_buf);
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}
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template <typename SCANNER_POLICY>
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static void print_xml_tokens(const char *xml_string)
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{
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Token<SCANNER_POLICY> token(xml_string);
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while (token.type() != Token<SCANNER_POLICY>::END) {
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print_xml_token_info(token);
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token = token.next();
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}
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}
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/**
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* Print attributes of XML node
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*/
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static void print_xml_attr_info(Xml_node xml_node, int indent = 0)
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{
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try {
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for (Xml_node::Attribute a = xml_node.attribute(0U); ; a = a.next()) {
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/* indentation */
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for (int i = 0; i < indent; i++)
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printf(" ");
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/* read attribute name and value */
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char name[32]; name[0] = 0;
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a.type(name, sizeof(name));
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char value[32]; value[0] = 0;
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a.value(value, sizeof(value));
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printf("attribute name=\"%s\", value=\"%s\"\n", name, value);
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}
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} catch (Xml_node::Nonexistent_attribute) { }
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}
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/**
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* Print information about XML node and its sub nodes
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*
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* \param xml_node root fo XML sub tree to print
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* \param indent current indentation level
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*/
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static void print_xml_node_info(Xml_node xml_node, int indent = 0)
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{
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char buf[128];
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xml_node.type_name(buf, sizeof(buf));
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/* indentation */
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for (int i = 0; i < indent; i++)
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printf(" ");
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/* print node information */
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printf("XML node: name = \"%s\", ", buf);
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if (xml_node.num_sub_nodes() == 0) {
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xml_node.value(buf, sizeof(buf));
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printf("leaf content = \"%s\"\n", buf);
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} else
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printf("number of subnodes = %ld\n",
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xml_node.num_sub_nodes());
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print_xml_attr_info(xml_node, indent + 2);
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/* print information of sub nodes */
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for (unsigned i = 0; i < xml_node.num_sub_nodes(); i++) {
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try {
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Xml_node sub_node = xml_node.sub_node(i);
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print_xml_node_info(sub_node, indent + 2);
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} catch (Xml_node::Invalid_syntax) {
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printf("invalid syntax of sub node %d\n", i);
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}
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}
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}
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/**
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* Print content of sub node with specified type
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*/
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static void print_key(Xml_node node, const char *key)
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{
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try {
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Xml_node sub_node = node.sub_node(key);
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char buf[32];
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sub_node.value(buf, sizeof(buf));
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printf("content of sub node \"%s\" = \"%s\"\n", key, buf);
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} catch (Xml_node::Nonexistent_sub_node) {
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printf("sub node \"%s\" is not defined\n", key);
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} catch (Xml_node::Invalid_syntax) {
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printf("invalid syntax of node \"%s\"\n", key);
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}
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}
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static void print_xml_info(const char *xml_string)
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{
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try {
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print_xml_node_info(Xml_node(xml_string));
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} catch (Xml_node::Invalid_syntax) {
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printf("string has invalid XML syntax\n");
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}
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}
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int main()
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{
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printf("--- XML-token test ---\n");
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print_xml_tokens<Scanner_policy_identifier_with_underline>(xml_test_text_between_nodes);
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printf("--- XML-parser test ---\n");
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printf("-- Test valid XML structure --\n");
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print_xml_info(xml_test_valid);
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printf("-- Test invalid XML structure (broken tag) --\n");
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print_xml_info(xml_test_broken_tag);
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printf("-- Test invalid XML structure (truncated) --\n");
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print_xml_info(xml_test_truncated);
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printf("-- Test invalid XML structure (truncated comment) --\n");
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print_xml_info(xml_test_truncated_comment);
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printf("-- Test invalid XML structure (unfinished string) --\n");
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print_xml_info(xml_test_unfinished_string);
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printf("-- Test node access by key --\n");
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Xml_node prg(Xml_node(xml_test_valid).sub_node(0U));
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print_key(prg, "filename");
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print_key(prg, "quota");
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print_key(prg, "info");
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printf("-- Test access to XML attributes --\n");
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print_xml_info(xml_test_attributes);
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printf("-- Test parsing XML with nodes mixed with text --\n");
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print_xml_info(xml_test_text_between_nodes);
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printf("-- Test parsing XML with comments --\n");
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print_xml_info(xml_test_comments);
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printf("--- End of XML-parser test ---\n");
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return 0;
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}
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