+++ /dev/null
-/* $Id: ex_libxml2_conf.cpp,v 1.4 2005-10-26 10:20:15 marc Exp $
- Copyright (c) 2005, Index Data.
-
-%LICENSE%
- */
-
-#include <iostream>
-#include <stdexcept>
-
-#include <boost/program_options.hpp>
-namespace po = boost::program_options;
-
-#include <libxml/xmlreader.h>
-
-class Configuration
-{
-public:
- Configuration(int argc, char **argv)
- {
- m_config = "";
- m_duration = 0;
- m_xinclude = false;
- m_xml_conf_doc = 0;
-
- parse_command_line(argc, argv);
- parse_xml_config();
- }
-
-public:
- std::string config()
- {
- return m_config;
- }
- int duration()
- {
- return m_duration;
- }
-
-
-private:
- std::string m_config;
- int m_duration;
- bool m_xinclude;
- xmlDoc * m_xml_conf_doc;
-
-
- void parse_command_line(int argc, char **argv)
- {
- po::options_description generic("Generic options");
- generic.add_options()
- ("help,h", "produce help message")
- ("version,v", "version number")
- ("xinclude,x", "allow Xinclude on XML config files")
- ;
-
- po::options_description config("Configuration options");
- config.add_options()
- ("config,c", po::value<std::string>(&m_config)->default_value("../etc/config1.xml"),
- "config XML file path (string)")
- ("duration,d", po::value<int>(&m_duration)->default_value(0),
- "number of seconds for server to exist (int)")
- //("commands", po::value< std::vector<std::string> >(),
- // "listener ports (string)")
- ;
-
- //po::positional_options_description p;
- // p.add("port", -1);
-
- po::options_description cmdline_options;
- cmdline_options.add(generic).add(config);
- po::variables_map vm;
-
- try
- {
- //po::store(po::command_line_parser(argc, argv).
- // options(cmdline_options).positional(p).run(), vm);
- //po::store(po::command_line_parser(argc, argv).
- // options(cmdline_options).run(), vm);
- po::store(po::parse_command_line(argc, argv, cmdline_options), vm);
- po::notify(vm);
- }
- catch ( po::invalid_command_line_syntax &e) {
- std::cerr << "ex_libxml2_conf error: " << e.what() << std::endl;
- std::cerr << generic << config << std::endl;
- std::exit(1);
- }
- catch ( po::invalid_option_value &e) {
- //std::cerr << "ex_libxml2_conf error: " << e.what() << std::endl;
- std::cerr << "invalid option value" << std::endl;
- std::cerr << generic << config << std::endl;
- std::exit(1);
- }
- catch ( po::unknown_option &e) {
- std::cerr << "ex_libxml2_conf error: " << e.what() << std::endl;
- std::cerr << generic << config << std::endl;
- std::exit(1);
- }
-
- std::cout << "ex_libxml2_conf ";
-
- if (vm.count("help")) {
- std::cout << "--help" << std::endl;
- std::cout << generic << config << std::endl;
- std::exit(0);
- }
-
- if (vm.count("version")) {
- std::cout << "--version" << std::endl;
- std::exit(0);
- }
-
- if (vm.count("xinclude")) {
- std::cout << "--xinclude" << std::endl;
- m_xinclude = true;
- }
-
- if (vm.count("duration")) {
- std::cout << "--duration "
- << vm["duration"].as<int>() << " ";
- }
- if (vm.count("config")) {
- std::cout << "--config "
- << vm["config"].as<std::string>() << " ";
- }
-
- std::cout << std::endl;
-
- //if (vm.count("port"))
- //{
- // std::vector<std::string> ports =
- // vm["port"].as< std::vector<std::string> >();
- //
- // for (size_t i = 0; i<ports.size(); i++)
- // std::cout << "port " << i << " " << ports[i] << std::endl;
-
- //}
-
- }
-
- void parse_xml_config() {
- LIBXML_TEST_VERSION
-
- xmlTextReader* reader;
- //reader->SetParserProp(libxml2.PARSER_SUBST_ENTITIES,1);
- int ret;
- reader = xmlReaderForFile(m_config.c_str(), NULL, 0);
-
- if (reader == NULL) {
- std::cerr << "failed to open XML config file "
- << m_config << std::endl;
- std::exit(1);
- }
-
-
- // root element processing
- xml_progress_deep_to_element(reader);
- if (std::string("yp2") != (const char*)xmlTextReaderConstName(reader))
- xml_error(reader, "root element must be named <yp2>");
-
- std::cout << "<" << xmlTextReaderConstName(reader);
-
- //if (xmlTextReaderHasAttributes(reader))
- //if ((!xmlTextReaderMoveToAttributeNs(reader, NULL,
- // (const xmlChar*)"http://indexdata.dk/yp2/config/1" )))
- if ((!xmlTextReaderMoveToFirstAttribute(reader))
- || (! xmlTextReaderIsNamespaceDecl(reader))
- || (std::string("http://indexdata.dk/yp2/config/1")
- != (const char*)xmlTextReaderConstValue(reader)))
- xml_error(reader, "expected root element <yp2> in namespace "
- "'http://indexdata.dk/yp2/config/1'");
-
- std::cout << " " << xmlTextReaderConstName(reader) << "=\""
- << xmlTextReaderConstValue(reader) << "\">"
- //<< xmlTextReaderIsNamespaceDecl(reader)
- << std::endl;
-
-
- // start element processing
- xml_progress_deep_to_element(reader);
- if (std::string("start") != (const char*)xmlTextReaderConstName(reader)
- || !xmlTextReaderMoveToFirstAttribute(reader)
- || std::string("route") != (const char*)xmlTextReaderConstName(reader)
- )
- xml_error(reader, "start element <start route=\"route_id\"/> expected");
-
- std::cout << "<start " << xmlTextReaderConstName(reader) << "=\""
- << xmlTextReaderConstValue(reader) << "\"/>" << std::endl;
- //<< xmlTextReaderGetAttribute(reader, (const xmlChar *)"route")
-
-
- // filters element processing
- xml_progress_flat_to_element(reader);
- if (std::string("filters") != (const char*)xmlTextReaderConstName(reader)
- )
- xml_error(reader, "filters element <filters> expected");
-
- std::cout << "<filters>" << std::endl;
-
-
- // filter element processing
- xml_progress_deep_to_element(reader);
- if (std::string("filter") != (const char*)xmlTextReaderConstName(reader)
- )
- xml_error(reader, "filter element <filter id=\"some_id\" "
- "type=\"some_type\"/> expected");
-
- while (std::string("filter") == (const char*)xmlTextReaderConstName(reader)){
- std::string filter_id;
- std::string filter_type;
- if (!xmlTextReaderMoveToFirstAttribute(reader)
- || std::string("id") != (const char*)xmlTextReaderConstName(reader))
- xml_error(reader, "filter element <filter id=\"some_id\" "
- "type=\"some_type\"/> expected");
- filter_id = (const char*)xmlTextReaderConstValue(reader);
- if (!xmlTextReaderMoveToNextAttribute(reader)
- || std::string("type") != (const char*)xmlTextReaderConstName(reader))
- xml_error(reader, "filter element <filter id=\"some_id\" "
- "type=\"some_type\"/> expected");
- filter_type = (const char*)xmlTextReaderConstValue(reader);
- std::cout << "<filter id=\"" << filter_id
- << "\" type=\"" << filter_type << "\"/>"
- << std::endl;
- xml_progress_flat_to_element(reader);
- }
-
- std::cout << "</filters>" << std::endl;
-
-
- // routes element processing
- // xml_progress_flat_to_element(reader);
- if (std::string("routes") != (const char*)xmlTextReaderConstName(reader)
- )
- xml_error(reader, "routes element <routes> expected");
-
- std::cout << "<routes>" << std::endl;
- // route element processing
- xml_progress_deep_to_element(reader);
- if (std::string("route") != (const char*)xmlTextReaderConstName(reader)
- )
- xml_error(reader, "route element <route id=\"some_id\" "
- "type=\"some_type\"/> expected");
- while (std::string("route") == (const char*)xmlTextReaderConstName(reader)){
- std::string route_id;
- if (!xmlTextReaderMoveToFirstAttribute(reader)
- || std::string("id") != (const char*)xmlTextReaderConstName(reader))
- xml_error(reader, "route element <route id=\"some_id\"/> expected");
- route_id = (const char*)xmlTextReaderConstValue(reader);
-
-
- std::cout << "<route id=\"" << route_id << "\">" << std::endl;
- std::cout << "</route>" << std::endl;
- xml_progress_flat_to_element(reader);
- }
-
- std::cout << "</routes>" << std::endl;
-
- std::cout << "</yp2>" << std::endl;
-
-
- xml_debug_print(reader);
-
-
- // freeing C xml reader libs
- xmlFreeTextReader(reader);
- if (ret != 0) {
- std::cerr << "Parsing failed of XML config file "
- << m_config << std::endl;
- std::exit(1);
- }
- }
-
- void xml_error ( xmlTextReader* reader, std::string msg)
- {
- std::cerr << "ERROR: " << msg << " "
- << xmlTextReaderGetParserLineNumber(reader) << ":"
- << xmlTextReaderGetParserColumnNumber(reader) << " "
- << xmlTextReaderConstName(reader) << " "
- << xmlTextReaderDepth(reader) << " "
- << xmlTextReaderNodeType(reader) << std::endl;
- }
-
- void xml_debug_print ( xmlTextReader* reader)
- {
- // processing all other elements
- //while (xmlTextReaderMoveToElement(reader)) // reads next element ??
- //while (xmlTextReaderNext(reader)) //does not descend, keeps level
- while (xmlTextReaderRead(reader)) // descends into all subtree nodes
- std::cout << xmlTextReaderGetParserLineNumber(reader) << ":"
- << xmlTextReaderGetParserColumnNumber(reader) << " "
- << xmlTextReaderDepth(reader) << " "
- << xmlTextReaderNodeType(reader) << " "
- << "ConstName " << xmlTextReaderConstName(reader) << " "
- //<< "Prefix " << xmlTextReaderPrefix(reader) << "\n"
- //<< "XmlLang " << xmlTextReaderXmlLang(reader) << "\n"
- //<< "NamespaceUri " << xmlTextReaderNamespaceUri(reader) << "\n"
- //<< "BaseUri" << xmlTextReaderBaseUri(reader) << "\n"
- << std::endl;
- }
-
- bool xml_progress_deep_to_element(xmlTextReader* reader)
- {
- bool ret = false;
- while(xmlTextReaderRead(reader)
- && xmlTextReaderNodeType(reader) != XML_ELEMENT_NODE
- && !( xmlTextReaderNodeType(reader) == XML_READER_TYPE_END_ELEMENT
- && 0 == xmlTextReaderDepth(reader))
- )
- ret = true;
- return ret;
- }
-
- bool xml_progress_flat_to_element(xmlTextReader* reader)
- {
- bool ret = false;
-
- while(xmlTextReaderNext(reader)
- && xmlTextReaderNodeType(reader) != XML_ELEMENT_NODE
- && !( xmlTextReaderNodeType(reader) == XML_READER_TYPE_END_ELEMENT
- && 0 == xmlTextReaderDepth(reader))
- ) {
- ret = true;
- }
- return ret;
- }
-
-
-};
-
-
-
-int main(int argc, char **argv)
-{
- //try
- //{
-
-
- Configuration conf(argc, argv);
-
- std::cout << "config " << conf.config() << std::endl;
- std::cout << "duration " << conf.duration() << std::endl;
-
-
-
-
- // }
- //catch ( ... ) {
- //std::cerr << "Unknown Exception" << std::endl;
- //throw();
- //std::exit(1);
- //}
- std::exit(0);
-}
-
-
-
-
-/*
- * Local variables:
- * c-basic-offset: 4
- * indent-tabs-mode: nil
- * c-file-style: "stroustrup"
- * End:
- * vim: shiftwidth=4 tabstop=8 expandtab
- */
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