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xmlutils.cpp

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#include "xmlutils.h"
#include <cassert>

using namespace std;
using namespace xmlpp;

string getChildContent(xmlpp::Node* node) 
{

    Element* enode = dynamic_cast<Element*>(node);
    TextNode* tnode = enode ? enode->get_child_content() : dynamic_cast<TextNode*>(node);

    return tnode ? tnode->get_content() : "";
}

xmlpp::Node* getFirstChild(xmlpp::Node* node, const std::string& name)
{
  Node::NodeList children = node->get_children(name);
  if (children.empty()) {
     return NULL;
  } else {
     return *children.begin();
  }
}  


bool getChildContent(xmlpp::Node* node, const std::string& name, std::string& val)
{
  bool success;

  xmlpp::Node* child = getFirstChild(node, name);

  if (child != NULL) {
     val = getChildContent(child);
     success = true;
  } else {
     success = false;
  }

  return success;
}

std::string getPropValue(xmlpp::Node* node, const std::string& name)
{
  string prop_value;
  
  Element* elem = dynamic_cast<Element*>(node);

  if (elem) {
      Attribute *dirprop = elem->get_attribute(name.c_str());
      if (dirprop != NULL) {
          prop_value = dirprop->get_value();
      }
  }
  
  return prop_value;
     
}


xmlpp::Node* addChild(xmlpp::Node* parent, xmlpp::Node* child)
{
    assert(parent && child);

    // yuk, we have to use the C api for this because libxml++ is crap
    xmlNode* c_parent = parent->cobj();
    xmlNode* c_child = child->cobj();

    return xmlAddChild(c_parent, c_child) ? child : NULL;
    
}

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