-/* $Id: router_flexml.hpp,v 1.2 2005-10-26 21:30:54 marc Exp $
+/* $Id: router_flexml.hpp,v 1.10 2006-01-05 16:39:37 adam Exp $
Copyright (c) 2005, Index Data.
%LICENSE%
#include "router.hpp"
-#include <iostream>
-//#include <stdexcept>
-#include <map>
-#include <list>
+#include "factory_filter.hpp"
-#include <libxml/xmlversion.h>
-#include <libxml/parser.h>
-#include <libxml/tree.h>
-//#include <libxml/xmlIO.h>
-//#include <libxml/xmlreader.h>
-//#include <libxslt/transform.h>
-
-#include <boost/shared_ptr.hpp>
+#include <stdexcept>
+#include <boost/scoped_ptr.hpp>
namespace yp2
{
-
-
class RouterFleXML : public yp2::Router
{
+ class Rep;
+ class Route;
public:
- RouterFleXML(std::string xmlconf)
- : m_xmlconf(""), m_xinclude(false), m_xmlconf_doc(0)
- {
- LIBXML_TEST_VERSION;
+ RouterFleXML(std::string xmlconf, yp2::FactoryFilter &factory);
- m_xmlconf = xmlconf;
- m_xinclude = false;
-
- m_xmlconf_doc
- = xmlParseMemory(m_xmlconf.c_str(), m_xmlconf.size());
-
- parse_xml_config_dom();
- //parse_xml_config_xmlreader();
- }
-
- ~RouterFleXML()
- {
- xmlFreeDoc(m_xmlconf_doc);
- }
-
-
- private:
- typedef std::map<std::string, boost::shared_ptr<const yp2::filter::Base> >
- IdFilterMap ;
- typedef std::list<std::string> FilterIdList;
- typedef std::map<std::string, FilterIdList > IdRouteMap ;
-
- private:
-
- std::string m_xmlconf;
- bool m_xinclude;
- xmlDoc * m_xmlconf_doc;
- IdFilterMap m_id_filter_map;
- FilterIdList m_filter_id_list;
- IdRouteMap m_id_route_map;
-
- //boost::shared_ptr<T> s_ptr(new T(t));
-
-
- void xml_dom_error (const xmlNode* node, std::string msg)
- {
- std::cerr << "ERROR: " << msg << " <"
- << node->name << ">"
- << std::endl;
- }
-
- void create_filter(std::string type,
- const xmlDoc * xmldoc,
- std::string id = "")
- {
- std::cout << "Created Filter type='" << type
- << "' id='" << id << "'" << std::endl;
- }
+ ~RouterFleXML();
-
- void parse_xml_config_dom() {
- if (m_xmlconf_doc)
- {
- const xmlNode* root = xmlDocGetRootElement(m_xmlconf_doc);
-
- if (std::string((const char *) root->name) != "yp2")
- xml_dom_error(root, "expected <yp2>, got ");
-
-
- for (const struct _xmlAttr *attr = root->properties; attr; attr = attr->next)
- {
- if (std::string((const char *)attr->name) == "xmlns")
- {
- const xmlNode *val = attr->children;
- //BOOST_CHECK_EQUAL(val->type, XML_TEXT_NODE);
- if (std::string((const char *)val->content)
- != "http://indexdata.dk/yp2/config/1")
- xml_dom_error(root,
- "expected xmlns=\"http://indexdata.dk/yp2/config/1\", got ");
- }
- }
- std::cout << "processing /yp2" << std::endl;
-
- // process <start> node which is expected first element node
- const xmlNode* node = root->children;
- for (; node && node->type != XML_ELEMENT_NODE; node = node->next)
- ;
- if (std::string((const char *)node->name)
- != "start")
- xml_dom_error(root, "expected <start>, got ");
-
- std::cout << "processing /yp2/start" << std::endl;
-
- // process <filters> node which is expected second element node
- node = node->next;
- for (; node && node->type != XML_ELEMENT_NODE; node = node->next)
- ;
- if (std::string((const char *)node->name)
- != "filters")
- xml_dom_error(root, "expected <filters>, got ");
-
- std::cout << "processing /yp2/filters" << std::endl;
-
- // process <filter> nodes in next level
- const xmlNode* node2 = node->children;
- for (; node2 && node2->type != XML_ELEMENT_NODE; node2 = node2->next)
- ;
- if (std::string((const char *)node2->name)
- != "filter")
- xml_dom_error(root, "expected <filter>, got ");
-
- //while(node2 && std::string((const char *)node2->name) == "filter"){
- std::cout << "processing /yp2/filters/filter" << std::endl;
- //for (; node2 && node2->type != XML_ELEMENT_NODE; node2 = node2->next)
- // ;
- //if(node2->type != XML_ELEMENT_NODE)
- // break;
- //}
-
- // process <routes> node which is expected third element node
- node = node->next;
- for (; node && node->type != XML_ELEMENT_NODE; node = node->next)
- ;
- if (std::string((const char *)node->name)
- != "routes")
- xml_dom_error(root, "expected <routes>, got ");
-
- std::cout << "processing /yp2/routes" << std::endl;
-
- // process <route> nodes in next level
- node2 = node->children;
- for (; node2 && node2->type != XML_ELEMENT_NODE; node2 = node2->next)
- ;
- if (std::string((const char *)node2->name)
- != "route")
- xml_dom_error(root, "expected <route>, got ");
-
- std::cout << "processing /yp2/routes/route" << std::endl;
-
- // process <filter> nodes in third level
- const xmlNode* node3 = node2->children;
- for (; node3 && node3->type != XML_ELEMENT_NODE; node3 = node3->next)
- ;
- if (std::string((const char *)node3->name)
- != "filter")
- xml_dom_error(root, "expected <filter>, got ");
-
- std::cout << "processing /yp2/routes/route/filter" << std::endl;
- }
- }
-
-
-
-#if 0
- void parse_xml_config_xmlreader() {
-
- xmlTextReader* reader;
- //reader->SetParserProp(libxml2.PARSER_SUBST_ENTITIES,1);
- int ret;
- //reader = xmlReaderForFile(m_xmlconf.c_str(), NULL, 0);
- reader = xmlReaderWalker(m_xmlconf_doc);
-
- if (reader == NULL) {
- std::cerr << "failed to read XML config file "
- << std::endl
- << m_xmlconf << 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 configuration"
- << std::endl
- << m_xmlconf << 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) << " "
- << 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;
- }
-
-#endif
-
+ virtual const filter::Base *move(const filter::Base *filter,
+ const Package *package) const;
+ class XMLError : public std::runtime_error {
+ public:
+ XMLError(const std::string msg) :
+ std::runtime_error("XMLError : " + msg) {} ;
+ };
+ private:
+ boost::scoped_ptr<Rep> m_p;
};
};