X-Git-Url: http://git.indexdata.com/?a=blobdiff_plain;f=src%2Fxmlutil.cpp;h=5490523c19edeaa4d0a641bd079906266271f054;hb=abe840d8d4a289b0cf6221a3e1bc11e640e6c708;hp=c2aef1a1b434d16a2ea7e6f0817a6f6ad5be12c7;hpb=ec5548301e2549fc0f8d2f962aade24cb6f90d1b;p=metaproxy-moved-to-github.git

diff --git a/src/xmlutil.cpp b/src/xmlutil.cpp
index c2aef1a..5490523 100644
--- a/src/xmlutil.cpp
+++ b/src/xmlutil.cpp
@@ -1,44 +1,258 @@
-/* $Id: xmlutil.cpp,v 1.1 2006-01-09 13:43:59 adam Exp $
-   Copyright (c) 2005, Index Data.
+/* This file is part of Metaproxy.
+   Copyright (C) Index Data
 
-%LICENSE%
- */
+Metaproxy is free software; you can redistribute it and/or modify it under
+the terms of the GNU General Public License as published by the Free
+Software Foundation; either version 2, or (at your option) any later
+version.
+
+Metaproxy is distributed in the hope that it will be useful, but WITHOUT ANY
+WARRANTY; without even the implied warranty of MERCHANTABILITY or
+FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+for more details.
+
+You should have received a copy of the GNU General Public License
+along with this program; if not, write to the Free Software
+Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
+*/
+
+#include "config.hpp"
 
-#include "xmlutil.hpp"
+#include <metaproxy/xmlutil.hpp>
 
-std::string yp2::xml::get_text(const xmlNode *ptr)
+#include <string.h>
+
+namespace mp = metaproxy_1;
+// Doxygen doesn't like mp::xml, so we use this instead
+namespace mp_xml = metaproxy_1::xml;
+
+static const std::string metaproxy_ns = "http://indexdata.com/metaproxy";
+
+std::string mp_xml::get_text(const struct _xmlAttr  *ptr)
+{
+    return get_text(ptr->children);
+}
+
+std::string mp_xml::get_text(const xmlNode *ptr)
 {
     std::string c;
-    for (ptr = ptr->children; ptr; ptr = ptr->next)
+    if (ptr && ptr->type != XML_TEXT_NODE)
+        ptr = ptr->children;
+    for (; ptr; ptr = ptr->next)
         if (ptr->type == XML_TEXT_NODE)
             c += std::string((const char *) (ptr->content));
     return c;
 }
 
+bool mp_xml::get_bool(const xmlNode *ptr, bool default_value)
+{
+    if (ptr && ptr->type != XML_TEXT_NODE)
+        ptr = ptr->children;
+    if (ptr && ptr->type == XML_TEXT_NODE && ptr->content)
+    {
+        if (!strcmp((const char *) ptr->content, "true")
+            || !strcmp((const char *) ptr->content, "1"))
+            return true;
+        else
+            return false;
+    }
+    return default_value;
+}
+
+int mp_xml::get_int(const xmlNode *ptr, int default_value)
+{
+    if (ptr && ptr->type != XML_TEXT_NODE)
+        ptr = ptr->children;
+    if (ptr && ptr->type == XML_TEXT_NODE && ptr->content)
+    {
+        return atoi((const char *) ptr->content);
+    }
+    return default_value;
+}
+
+bool mp_xml::check_attribute(const _xmlAttr *ptr,
+                             const std::string &ns,
+                             const std::string &name)
+{
+    if (!mp::xml::is_attribute(ptr, ns, name))
+    {
+        std::string got_attr = "'";
+        if (ptr && ptr->name)
+            got_attr += std::string((const char *)ptr->name);
+        if (ns.size() && ptr && ptr->ns && ptr->ns->href){
+            got_attr += " ";
+            got_attr += std::string((const char *)ptr->ns->href);
+         }
+        got_attr += "'";
+
+        throw mp::XMLError("Expected XML attribute '" + name
+                           + " " + ns + "'"
+                           + ", not " + got_attr);
+    }
+    return true;
+}
 
-bool yp2::xml::is_element(const xmlNode *ptr, 
+bool mp_xml::is_attribute(const _xmlAttr *ptr,
                           const std::string &ns,
                           const std::string &name)
 {
-    if (ptr && ptr->type == XML_ELEMENT_NODE && ptr->ns && ptr->ns->href 
+    if (0 != xmlStrcmp(BAD_CAST name.c_str(), ptr->name))
+        return false;
+
+    if (ns.size()
+        && (!ptr->ns || !ptr->ns->href
+            || 0 != xmlStrcmp(BAD_CAST ns.c_str(), ptr->ns->href)))
+        return false;
+
+    return true;
+}
+
+
+bool mp_xml::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::xml::is_element_yp2(const xmlNode *ptr, 
+bool mp_xml::is_element_mp(const xmlNode *ptr,
+                           const std::string &name)
+{
+    return mp::xml::is_element(ptr, metaproxy_ns, name);
+}
+
+
+bool mp_xml::check_element_mp(const xmlNode *ptr,
                               const std::string &name)
 {
-    return yp2::xml::is_element(ptr, "http://indexdata.dk/yp2/config/1", name);
+    if (!mp::xml::is_element_mp(ptr, name))
+    {
+        std::string got_element = "<";
+        if (ptr && ptr->name)
+            got_element += std::string((const char *)ptr->name);
+        if (ptr && ptr->ns && ptr->ns->href){
+            got_element += " xmlns=\"";
+            got_element += std::string((const char *)ptr->ns->href);
+            got_element += "\"";
+        }
+        got_element += ">";
+
+        throw mp::XMLError("Expected XML element <" + name
+                           + " xmlns=\"" + metaproxy_ns + "\">"
+                           + ", not " + got_element);
+    }
+    return true;
+}
+
+void mp_xml::parse_attr(const xmlNode *node, const char **names,
+                        std::string *values)
+{
+    size_t i;
+    for (i = 0; names[i]; i++)
+        values[i].clear();
+
+    if (node)
+    {
+        const struct _xmlAttr *attr;
+        for (attr = node->properties; attr; attr = attr->next)
+        {
+            std::string value;
+            const char *name = (const char *) attr->name;
+
+            if (attr->children && attr->children->type == XML_TEXT_NODE)
+                value = std::string((const char *)attr->children->content);
+            for (i = 0; names[i]; i++)
+                if (!strcmp(name, names[i]))
+                {
+                    values[i] = value;
+                    break;
+                }
+            if (!names[i])
+            {
+                throw XMLError("Unsupported attribute: '" +
+                               std::string(name) +
+                               "' in element '" + 
+                               std::string((const char *) node->name) + "'");
+            }
+        }
+    }
 }
 
+std::string mp_xml::get_route(const xmlNode *node, std::string &auth)
+{
+    const char *names[3] = { "route", "auth", 0 };
+    std::string values[2];
+
+    parse_attr(node, names, values);
+
+    auth = values[1];
+    return values[0];
+}
+
+std::string mp_xml::get_route(const xmlNode *node)
+{
+    const char *names[2] = { "route", 0 };
+    std::string values[1];
+
+    parse_attr(node, names, values);
+
+    return values[0];
+}
+
+const xmlNode* mp_xml::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* mp_xml::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* mp_xml::jump_to(const xmlNode* node,
+                                 int xml_node_type)
+{
+    for (; node && node->type != xml_node_type; node = node->next)
+        ;
+    return node;
+}
+
+void mp_xml::check_empty(const xmlNode *node)
+{
+    if (node)
+    {
+        const xmlNode *n;
+        const struct _xmlAttr *attr;
+        std::string extra;
+        for (attr = node->properties; attr; attr = attr->next)
+            if (!strcmp((const char *) attr->name, "type"))
+                extra = " of type " + get_text(attr);
+        for (n = node->children; n; n = n->next)
+            if (n->type == XML_ELEMENT_NODE)
+                throw mp::XMLError("No child elements allowed inside element "
+                                   + std::string((const char *) node->name)
+                                   + extra);
+    }
+}
 
 /*
  * Local variables:
  * c-basic-offset: 4
+ * c-file-style: "Stroustrup"
  * indent-tabs-mode: nil
- * c-file-style: "stroustrup"
  * End:
  * vim: shiftwidth=4 tabstop=8 expandtab
  */
+