[gnote] Add function sharp::xml_node_content

[Aurimas Äernius <aurimasc src gnome org>]

commit ead3338d2aa7d6e64de4687b5444759764312cd7
Author: Aurimas Äernius <aurisc4 gmail com>
Date:   Sat Feb 11 20:56:51 2012 +0200

    Add function sharp::xml_node_content
    
    A function to get xmlNode content.

 src/sharp/xml.cpp |   16 ++++++++++++++++
 src/sharp/xml.hpp |    2 ++
 2 files changed, 18 insertions(+), 0 deletions(-)
---
diff --git a/src/sharp/xml.cpp b/src/sharp/xml.cpp
index 531f6d9..ac052cb 100644
--- a/src/sharp/xml.cpp
+++ b/src/sharp/xml.cpp
@@ -109,6 +109,22 @@ namespace sharp {
   }
 
 
+  std::string xml_node_content(xmlNodePtr node)
+  {
+    if(!node) {
+      return "";
+    }
+    if(node->type == XML_ATTRIBUTE_NODE) {
+      node = xmlGetLastChild(node);
+      if(!node) {
+	return "";
+      }
+    }
+    char *res = reinterpret_cast<char*>(XML_GET_CONTENT(node));
+    return res ? res : "";
+  }
+
+
   std::string xml_node_get_attribute(const xmlNodePtr node,
                                      const char * attr_name)
   {
diff --git a/src/sharp/xml.hpp b/src/sharp/xml.hpp
index 1ac6dfe..4568ed9 100644
--- a/src/sharp/xml.hpp
+++ b/src/sharp/xml.hpp
@@ -48,6 +48,8 @@ namespace sharp {
   xmlNodePtr xml_node_xpath_find_single_node(const xmlNodePtr node,
                                              const char * xpath);
 
+  std::string xml_node_content(xmlNodePtr node);
+
   std::string xml_node_get_attribute(const xmlNodePtr node,
                                      const char * attr_name);