X-Git-Url: http://jsfdemo.indexdata.com/?a=blobdiff_plain;f=src%2Frouter_flexml.cpp;h=483990ead1c1c21975cf4fc711de9a053e680e1c;hb=48f4e384860829966eacf4881fbf1ccbed38be6a;hp=914868e7b15a58465360704d8aa93ac325fe01b4;hpb=c859210e9c315c0f15c93fc6f65477a6c3e65d14;p=metaproxy-moved-to-github.git diff --git a/src/router_flexml.cpp b/src/router_flexml.cpp index 914868e..483990e 100644 --- a/src/router_flexml.cpp +++ b/src/router_flexml.cpp @@ -1,13 +1,260 @@ -/* $Id: router_flexml.cpp,v 1.1 2005-10-26 14:12:00 marc Exp $ +/* $Id: router_flexml.cpp,v 1.8 2006-01-04 14:15:45 adam Exp $ Copyright (c) 2005, Index Data. %LICENSE% */ - +#include "config.hpp" #include "router_flexml.hpp" +#include "filter_factory.hpp" +#include "factory_static.hpp" + +#include +#include +#include + +#include + +#include +#include +#include + + +namespace yp2 { + class RouterFleXML::Rep { + friend class RouterFleXML; + Rep(); + + typedef std::map > + IdFilterMap ; + + IdFilterMap m_id_filter_map; + + void create_filter(std::string type, + const xmlDoc * xmldoc, + std::string id = ""); + + void parse_xml_config_dom(xmlDocPtr doc); + + bool is_element(const xmlNode *ptr, + const std::string &ns, + const std::string &name); + + bool is_element_yp2(const xmlNode *ptr, + const std::string &name); + + bool check_element_yp2(const xmlNode *ptr, + const std::string &name); + + const xmlNode* jump_to(const xmlNode* node, int xml_node_type); + + const xmlNode* jump_to_next(const xmlNode* node, int xml_node_type); + + const xmlNode* jump_to_children(const xmlNode* node, int xml_node_type); + bool m_xinclude; + private: + FilterFactory *m_factory; // TODO shared_ptr + }; +} + +const xmlNode* yp2::RouterFleXML::Rep::jump_to_children(const xmlNode* node, int xml_node_type) +{ + node = node->children; + for (; node && node->type != xml_node_type; node = node->next) + ; + return node; +} + +const xmlNode* yp2::RouterFleXML::Rep::jump_to_next(const xmlNode* node, int xml_node_type) +{ + node = node->next; + for (; node && node->type != xml_node_type; node = node->next) + ; + return node; +} + +const xmlNode* yp2::RouterFleXML::Rep::jump_to(const xmlNode* node, int xml_node_type) +{ + for (; node && node->type != xml_node_type; node = node->next) + ; + return node; +} + +bool yp2::RouterFleXML::Rep::is_element(const xmlNode *ptr, + const std::string &ns, + const std::string &name) +{ + if (ptr && ptr->type == XML_ELEMENT_NODE && ptr->ns && ptr->ns->href + && !xmlStrcmp(BAD_CAST ns.c_str(), ptr->ns->href) + && !xmlStrcmp(BAD_CAST name.c_str(), ptr->name)) + return true; + return false; +} + +bool yp2::RouterFleXML::Rep::is_element_yp2(const xmlNode *ptr, + const std::string &name) +{ + return is_element(ptr, "http://indexdata.dk/yp2/config/1", name); +} + +bool yp2::RouterFleXML::Rep::check_element_yp2(const xmlNode *ptr, + const std::string &name) +{ + if (!is_element_yp2(ptr, name)) + throw XMLError("Error. Expected element name " + name); + return true; +} + +void yp2::RouterFleXML::Rep::parse_xml_config_dom(xmlDocPtr doc) +{ + if (!doc) + throw XMLError("Empty XML Document"); + + const xmlNode* root = xmlDocGetRootElement(doc); + + check_element_yp2(root, "yp2"); + + std::cout << "processing /yp2" << std::endl; + + // process node which is expected first element node + const xmlNode* node = jump_to_children(root, XML_ELEMENT_NODE); + //for (; node && node->type != XML_ELEMENT_NODE; node = node->next) + // ; + + check_element_yp2(node, "start"); + + std::cout << "processing /yp2/start" << std::endl; + + // process node which is expected second element node + node = jump_to_next(node, XML_ELEMENT_NODE); + check_element_yp2(node, "filters"); + std::cout << "processing /yp2/filters" << std::endl; + + // process nodes in next level + const xmlNode* node2 = jump_to_children(node, XML_ELEMENT_NODE); + + unsigned int filter_nr = 0; + while(node2 && check_element_yp2(node2, "filter")) + { + filter_nr++; + std::cout << "processing /yp2/filters/filter[" + << filter_nr << "]" << std::endl; + + const struct _xmlAttr *attr; + std::string id_value; + std::string type_value; + for (attr = node2->properties; attr; attr = attr->next) + { + std::string name = std::string((const char *) attr->name); + std::string value; + + if (attr->children && attr->children->type == XML_TEXT_NODE) + value = std::string((const char *)attr->children->content); + + if (name == "id") + id_value = value; + else if (name == "type") + type_value = value; + else + throw XMLError("Error. Only attribute id or type allowed in filter element. Got " + name); + + std::cout << "attr " << name << "=" << value << "\n"; + + //const xmlNode *val; + } + + yp2::filter::Base* filter_base = m_factory->create(type_value); + + filter_base->configure(node2); + + if (m_id_filter_map.find(id_value) != m_id_filter_map.end()) + throw XMLError("Filter " + id_value + " already defined"); + + m_id_filter_map[id_value] = + boost::shared_ptr(filter_base); + + node2 = jump_to_next(node2, XML_ELEMENT_NODE); + } + + // process node which is expected third element node + node = jump_to_next(node, XML_ELEMENT_NODE); + check_element_yp2(node, "routes"); + std::cout << "processing /yp2/routes" << std::endl; + + // process nodes in next level + node2 = jump_to_children(node, XML_ELEMENT_NODE); + check_element_yp2(node2, "route"); + + unsigned int route_nr = 0; + while(is_element_yp2(node2, "router")) + { + route_nr++; + std::cout << "processing /yp2/routes/route[" + << route_nr << "]" << std::endl; + + // process nodes in third level + const xmlNode* node3 = jump_to_children(node2, XML_ELEMENT_NODE); + + unsigned int filter3_nr = 0; + while(node3 && check_element_yp2(node3, "filter")) + { + filter3_nr++; + + std::cout << "processing /yp2/routes/route[" + << route_nr << "]/filter[" + << filter3_nr << "]" << std::endl; + + node3 = jump_to_next(node3, XML_ELEMENT_NODE); + + } + node2 = jump_to_next(node2, XML_ELEMENT_NODE); + } +} + +void yp2::RouterFleXML::Rep::create_filter(std::string type, + const xmlDoc * xmldoc, + std::string id) +{ + std::cout << "Created Filter type='" << type + << "' id='" << id << "'" << std::endl; +} + +yp2::RouterFleXML::Rep::Rep() : + m_xinclude(false) +{ +} + +yp2::RouterFleXML::RouterFleXML(std::string xmlconf, yp2::FilterFactory &factory) + : m_p(new Rep) +{ + + m_p->m_factory = &factory; + + LIBXML_TEST_VERSION; + + xmlDocPtr doc = xmlParseMemory(xmlconf.c_str(), + xmlconf.size()); + if (!doc) + throw XMLError("xmlParseMemory failed"); + else + { + m_p->parse_xml_config_dom(doc); + xmlFreeDoc(doc); + } +} +yp2::RouterFleXML::~RouterFleXML() +{ +} +const yp2::filter::Base * +yp2::RouterFleXML::move(const yp2::filter::Base *filter, + const yp2::Package *package) const +{ + return 0; +} + /* * Local variables: