-/* $Id: router_flexml.cpp,v 1.3 2005-11-14 23:35:22 adam Exp $
+/* $Id: router_flexml.cpp,v 1.7 2006-01-04 11:19:04 adam Exp $
Copyright (c) 2005, Index Data.
%LICENSE%
*/
-
#include "config.hpp"
#include "router_flexml.hpp"
+#include "filter_factory.hpp"
+#include "factory_static.hpp"
#include <iostream>
#include <map>
#include <libxml/parser.h>
#include <libxml/tree.h>
+
namespace yp2 {
class RouterFleXML::Rep {
friend class RouterFleXML;
Rep();
-
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 ;
-
- 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;
- 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;
- }
-
- void parse_xml_config_dom() {
-
- if (!m_xmlconf_doc){
- std::cerr << "XML configuration DOM pointer empty" << std::endl;
- }
-
- const xmlNode* root = xmlDocGetRootElement(m_xmlconf_doc);
-
- if ((std::string((const char *) root->name) != "yp2")
- || (std::string((const char *)(root->ns->href))
- != "http://indexdata.dk/yp2/config/1")
- )
- xml_dom_error(root,
- "expected <yp2 xmlns=\"http://indexdata.dk/yp2/config/1\">, 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;
- 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 = jump_to_children(root, XML_ELEMENT_NODE);
- //for (; node && node->type != XML_ELEMENT_NODE; node = node->next)
- // ;
-
- check_node_name(node, "start");
- std::cout << "processing /yp2/start" << std::endl;
-
- // process <filters> node which is expected second element node
- node = jump_to_next(node, XML_ELEMENT_NODE);
- check_node_name(node, "filters");
- std::cout << "processing /yp2/filters" << std::endl;
-
- // process <filter> nodes in next level
- const xmlNode* node2 = jump_to_children(node, XML_ELEMENT_NODE);
- check_node_name(node2, "filter");
-
- unsigned int filter_nr = 0;
- while(node2 && std::string((const char *)node2->name) == "filter"){
- filter_nr++;
- std::cout << "processing /yp2/filters/filter["
- << filter_nr << "]" << std::endl;
- node2 = jump_to_next(node2, XML_ELEMENT_NODE);
- }
-
- // process <routes> node which is expected third element node
- node = jump_to_next(node, XML_ELEMENT_NODE);
- check_node_name(node, "routes");
- std::cout << "processing /yp2/routes" << std::endl;
-
- // process <route> nodes in next level
- node2 = jump_to_children(node, XML_ELEMENT_NODE);
- check_node_name(node2, "route");
-
- unsigned int route_nr = 0;
- while(node2 && std::string((const char *)node2->name) == "route"){
- route_nr++;
- std::cout << "processing /yp2/routes/route["
- << route_nr << "]" << std::endl;
-
- // process <filter> nodes in third level
- const xmlNode* node3
- = jump_to_children(node2, XML_ELEMENT_NODE);
- check_node_name(node3, "filter");
-
- unsigned int filter3_nr = 0;
- while(node3 && std::string((const char *)node3->name) == "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);
- }
-
-
- }
+ 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){
- for (; node && node->type != xml_node_type; node = node->next)
- ;
- return node;
- }
+ const xmlNode* jump_to(const xmlNode* node, int xml_node_type);
- const xmlNode* 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* jump_to_next(const xmlNode* node, int xml_node_type);
+
+ const xmlNode* jump_to_children(const xmlNode* node, int xml_node_type);
+ FilterFactory m_factory;
+ };
+}
+
+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* 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(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 <start> 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 <filters> 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 <filter> 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);
+
+ node2 = jump_to_next(node2, XML_ELEMENT_NODE);
+ }
+
+ // process <routes> 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 <route> 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 <filter> nodes in third level
+ const xmlNode* node3 = jump_to_children(node2, XML_ELEMENT_NODE);
- void check_node_name(const xmlNode* node, std::string name){
- if (std::string((const char *)node->name)
- != name)
- xml_dom_error(node, "expected <" + name + ">, got ");
+ 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_xmlconf(""), m_xinclude(false), m_xmlconf_doc(0)
+yp2::RouterFleXML::Rep::Rep() :
+ m_xinclude(false)
{
}
yp2::RouterFleXML::RouterFleXML(std::string xmlconf)
: m_p(new Rep)
{
+ {
+ yp2::FactoryStatic fs(m_p->m_factory);
+ }
+
LIBXML_TEST_VERSION;
- m_p->m_xmlconf = xmlconf;
-
- m_p->m_xmlconf_doc = xmlParseMemory(m_p->m_xmlconf.c_str(), m_p->m_xmlconf.size());
-
- m_p->parse_xml_config_dom();
+ 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()
{
- xmlFreeDoc(m_p->m_xmlconf_doc);
}
const yp2::filter::Base *
}
-
/*
* Local variables:
* c-basic-offset: 4
projects / metaproxy-moved-to-github.git / blobdiff