Added yp2::PlainFile class which reads Unix-style plain text files.
[metaproxy-moved-to-github.git] / src / router_flexml.cpp
index 0f6619b..69953e0 100644 (file)
@@ -1,4 +1,4 @@
-/* $Id: router_flexml.cpp,v 1.13 2006-01-11 11:51:50 adam Exp $
+/* $Id: router_flexml.cpp,v 1.16 2006-01-19 09:41:01 adam Exp $
    Copyright (c) 2005, Index Data.
 
 %LICENSE%
@@ -45,16 +45,10 @@ namespace yp2 {
 
         std::string m_start_route;
 
-        void parse_xml_config_dom(xmlDocPtr doc);
+        std::string m_dl_path;
 
-        bool check_element_yp2(const xmlNode *ptr, 
-                               const std::string &name);
-        
-        const xmlNode* jump_to(const xmlNode* node, int xml_node_type);
+        void parse_xml_config_dom(xmlDocPtr doc);
 
-        const xmlNode* jump_to_next(const xmlNode* node, int xml_node_type);
-        
-        const xmlNode* jump_to_children(const xmlNode* node, int xml_node_type);
         void parse_xml_filters(xmlDocPtr doc, const xmlNode *node);
         void parse_xml_routes(xmlDocPtr doc, const xmlNode *node);
 
@@ -76,46 +70,11 @@ namespace yp2 {
     };
 }
 
-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::check_element_yp2(const xmlNode *ptr, 
-                                               const std::string &name)
-{
-    if (!yp2::xml::is_element_yp2(ptr, name))
-        throw yp2::XMLError("Expected element name " + name);
-    return true;
-}
-
-
 void yp2::RouterFleXML::Rep::parse_xml_filters(xmlDocPtr doc,
                                                const xmlNode *node)
 {
     unsigned int filter_nr = 0;
-    while(node && check_element_yp2(node, "filter"))
+    while(node && yp2::xml::check_element_yp2(node, "filter"))
     {
         filter_nr++;
 
@@ -139,6 +98,12 @@ void yp2::RouterFleXML::Rep::parse_xml_filters(xmlDocPtr doc,
                                     " in filter element. Got " + name);
         }
 
+        if (!m_factory->exist(type_value))
+        {
+            std::cout << "about to load " << type_value << ", path=" << 
+                m_dl_path << "\n";
+            m_factory->add_creator_dl(type_value, m_dl_path);
+        }
         yp2::filter::Base* filter_base = m_factory->create(type_value);
 
         filter_base->configure(node);
@@ -149,14 +114,14 @@ void yp2::RouterFleXML::Rep::parse_xml_filters(xmlDocPtr doc,
         m_id_filter_map[id_value] =
             boost::shared_ptr<yp2::filter::Base>(filter_base);
 
-        node = jump_to_next(node, XML_ELEMENT_NODE);
+        node = yp2::xml::jump_to_next(node, XML_ELEMENT_NODE);
     }
 }
 
 void yp2::RouterFleXML::Rep::parse_xml_routes(xmlDocPtr doc,
                                               const xmlNode *node)
 {
-    check_element_yp2(node, "route");
+    yp2::xml::check_element_yp2(node, "route");
 
     unsigned int route_nr = 0;
     while(yp2::xml::is_element_yp2(node, "route"))
@@ -177,17 +142,17 @@ void yp2::RouterFleXML::Rep::parse_xml_routes(xmlDocPtr doc,
                 id_value = value;
             else
                 throw yp2::XMLError("Only attribute 'id' allowed for"
-                                         " element 'route'."
-                                         " Got " + name);
+                                    " element 'route'."
+                                    " Got " + name);
         }
 
         Route route;
 
         // process <filter> nodes in third level
-        const xmlNode* node3 = jump_to_children(node, XML_ELEMENT_NODE);
+        const xmlNode* node3 = yp2::xml::jump_to_children(node, XML_ELEMENT_NODE);
 
         unsigned int filter3_nr = 0;
-        while(node3 && check_element_yp2(node3, "filter"))
+        while(node3 && yp2::xml::check_element_yp2(node3, "filter"))
         {
             filter3_nr++;
             
@@ -224,6 +189,12 @@ void yp2::RouterFleXML::Rep::parse_xml_routes(xmlDocPtr doc,
             }
             else if (type_value.length())
             {
+                if (!m_factory->exist(type_value))
+                {
+                    std::cout << "about to load " << type_value << ", path=" << 
+                        m_dl_path << "\n";
+                    m_factory->add_creator_dl(type_value, m_dl_path);
+                }
                 yp2::filter::Base* filter_base = m_factory->create(type_value);
 
                 filter_base->configure(node3);
@@ -231,7 +202,7 @@ void yp2::RouterFleXML::Rep::parse_xml_routes(xmlDocPtr doc,
                 route.m_list.push_back(
                     boost::shared_ptr<yp2::filter::Base>(filter_base));
             }
-            node3 = jump_to_next(node3, XML_ELEMENT_NODE);
+            node3 = yp2::xml::jump_to_next(node3, XML_ELEMENT_NODE);
             
         }
         std::map<std::string,RouterFleXML::Route>::iterator it;
@@ -241,7 +212,7 @@ void yp2::RouterFleXML::Rep::parse_xml_routes(xmlDocPtr doc,
                                 + "' already exist");
         else
             m_routes[id_value] = route;
-        node = jump_to_next(node, XML_ELEMENT_NODE);
+        node = yp2::xml::jump_to_next(node, XML_ELEMENT_NODE);
     }
 }
 
@@ -252,11 +223,17 @@ void yp2::RouterFleXML::Rep::parse_xml_config_dom(xmlDocPtr doc)
     
     const xmlNode* root = xmlDocGetRootElement(doc);
     
-    check_element_yp2(root,  "yp2");
+    yp2::xml::check_element_yp2(root,  "yp2");
+
+    const xmlNode* node = yp2::xml::jump_to_children(root, XML_ELEMENT_NODE);
 
+    if (yp2::xml::is_element_yp2(node, "dlpath"))
+    {
+        m_dl_path = yp2::xml::get_text(node);
+        node = yp2::xml::jump_to_next(node, XML_ELEMENT_NODE);
+    }
     // process <start> node which is expected first element node
-    const xmlNode* node = jump_to_children(root, XML_ELEMENT_NODE);
-    if (check_element_yp2(node, "start"))
+    if (yp2::xml::check_element_yp2(node, "start"))
     {
         const struct _xmlAttr *attr;
         std::string id_value;
@@ -274,20 +251,22 @@ void yp2::RouterFleXML::Rep::parse_xml_config_dom(xmlDocPtr doc)
                 throw yp2::XMLError("Only attribute start allowed"
                                     " in element 'start'. Got " + name);
         }
-        node = jump_to_next(node, XML_ELEMENT_NODE);
+        node = yp2::xml::jump_to_next(node, XML_ELEMENT_NODE);
     }
-    // process <filters> node which is expected second element node
-    check_element_yp2(node, "filters");
-    
-    parse_xml_filters(doc, jump_to_children(node, XML_ELEMENT_NODE));
+    // process <filters> node if given
+    if (yp2::xml::is_element_yp2(node, "filters"))
+    {
+        parse_xml_filters(doc, yp2::xml::jump_to_children(node,
+                                                          XML_ELEMENT_NODE));
                       
+        node = yp2::xml::jump_to_next(node, 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");
+    yp2::xml::check_element_yp2(node, "routes");
     
-    parse_xml_routes(doc, jump_to_children(node, XML_ELEMENT_NODE));
+    parse_xml_routes(doc, yp2::xml::jump_to_children(node, XML_ELEMENT_NODE));
 
-    node = jump_to_next(node, XML_ELEMENT_NODE);
+    node = yp2::xml::jump_to_next(node, XML_ELEMENT_NODE);
     if (node)
     {
         throw yp2::XMLError("Unexpected element "