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XMLFileLoader.cpp
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XMLFileLoader.cpp
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#include "XMLFileLoader.hpp"
#include "Logger/ILogger.h"
XML_Element::XML_Element(const TiXmlElement& target)
: m_target(target)
{}
bool XML_Element::mt_Get_Attribute(const std::string& attribute_name, std::string& attribute_value) const
{
return m_target.QueryStringAttribute(attribute_name.c_str(), &attribute_value) == TIXML_SUCCESS;
}
bool XML_Element::mt_Get_Attribute(const std::string& attribute_name, int& attribute_value) const
{
return m_target.QueryIntAttribute(attribute_name.c_str(), &attribute_value) == TIXML_SUCCESS;
}
bool XML_Element::mt_Get_Attribute(const std::string& attribute_name, unsigned int& attribute_value) const
{
return m_target.QueryUnsignedAttribute(attribute_name.c_str(), &attribute_value) == TIXML_SUCCESS;
}
bool XML_Element::mt_Get_Attribute(const std::string& attribute_name, float& attribute_value) const
{
return m_target.QueryFloatAttribute(attribute_name.c_str(), &attribute_value) == TIXML_SUCCESS;
}
bool XML_Element::mt_Get_Attribute(const std::string& attribute_name, bool& attribute_value) const
{
std::string l_attribute_value;
bool l_b_ret;
std::unordered_map<std::string, bool> l_map;
std::unordered_map<std::string, bool>::const_iterator l_it;
l_map.emplace(std::make_pair("true", true));
l_map.emplace(std::make_pair("false", false));
l_map.emplace(std::make_pair("TRUE", true));
l_map.emplace(std::make_pair("FALSE", false));
l_map.emplace(std::make_pair("yes", true));
l_map.emplace(std::make_pair("no", false));
l_map.emplace(std::make_pair("YES", true));
l_map.emplace(std::make_pair("NO", false));
l_map.emplace(std::make_pair("1", true));
l_map.emplace(std::make_pair("0", false));
l_b_ret = mt_Get_Attribute(attribute_name, l_attribute_value);
if (l_b_ret == true)
{
l_it = l_map.find(l_attribute_value);
if (l_it != l_map.end())
{
l_b_ret = true;
attribute_value = l_it->second;
}
else
{
l_b_ret = false;
}
}
return m_target.QueryBoolAttribute(attribute_name.c_str(), &attribute_value) == TIXML_SUCCESS;
}
bool XML_Element::mt_Get_Value(std::string& element_value) const
{
element_value = m_target.ValueStr();
return true;
}
XMLFileLoader::XMLFileLoader()
: m_files(),
m_current_file_it(m_files.end()),
m_loading_struct(),
m_verbose(false)
{}
bool XMLFileLoader::mt_Set_File(const std::string& file_path)
{
LoadingStructure l_loading_struct;
TiXmlDocument l_document;
TiXmlElement* l_root;
XML_FileHandlerData l_xml_file_handler_data;
bool l_b_ret;
m_verbose = true;
if (m_verbose == true) log().mt_Entrance_Function(FUNCTION_NAME);
l_b_ret = l_document.LoadFile(file_path);
if (l_b_ret == true)
{
l_root = l_document.RootElement();
l_b_ret = (l_root != nullptr);
if (l_b_ret == true)
{
m_current_file_it = m_files.find(file_path);
if (m_current_file_it == m_files.end())
{
l_b_ret = mt_Explore_Document(*l_root, l_loading_struct, l_xml_file_handler_data.m_on_entry_callbacks, l_xml_file_handler_data.m_on_exit_callbacks);
if (l_b_ret == true)
{
l_xml_file_handler_data.m_element_count = l_loading_struct.m_element_count;
m_current_file_it = m_files.emplace(file_path, l_xml_file_handler_data).first;
}
}
}
}
if (m_verbose == true) log().mt_Exit_Function();
return l_b_ret;
}
bool XMLFileLoader::mt_Add_File(const std::string& file_path)
{
XML_FileHandler::iterator l_file_it;
bool l_b_ret;
l_file_it = m_files.find(file_path);
if (l_file_it == m_files.end())
{
l_file_it = m_current_file_it;
l_b_ret = mt_Set_File(file_path);
m_current_file_it = l_file_it;
}
else
{
l_b_ret = true;
}
return l_b_ret;
}
void XMLFileLoader::mt_Work(void)
{
TiXmlDocument l_document;
if (m_current_file_it != m_files.end())
{
if (l_document.LoadFile(m_current_file_it->first))
{
log().mt_Entrance_Function("XML Loading");
log() << "Loading " << m_current_file_it->first << '\n';
m_verbose = true;
mt_Explore_Document(*l_document.RootElement(), m_loading_struct, m_current_file_it->second.m_on_entry_callbacks, m_current_file_it->second.m_on_exit_callbacks);
log().mt_Exit_Function();
m_verbose = false;
}
}
mt_Done();
}
bool XMLFileLoader::mt_Manage_Callback(const TiXmlElement& element, const std::string& path, XML_CallbackContainer& callbacks)
{
bool l_b_ret(true);
XML_CallbackContainer::const_iterator l_it(callbacks.find(path));
if (l_it != callbacks.end())
{
l_b_ret = (l_it->second)(XML_Element(element));
if ((l_b_ret == false) && (m_verbose == true)) log() << "Fail\n";
}
return l_b_ret;
}
std::string XMLFileLoader::mt_Get_Path(const TiXmlNode* element)
{
std::string l_ret;
std::stack<const TiXmlNode*> l_nodes;
while (element != nullptr)
{
l_nodes.push(element);
element = element->Parent();
}
l_nodes.pop();/** Remove document : we don't care **/
while (l_nodes.size())
{
l_ret += "/" + l_nodes.top()->ValueStr();
l_nodes.pop();
}
return l_ret;
}
bool XMLFileLoader::mt_Recursive_Exploration(const TiXmlElement* current_element, LoadingStructure& loading_struct, XML_CallbackContainer& on_entry_callbacks, XML_CallbackContainer& on_exit_callbacks)
{
bool l_b_ret;
const TiXmlElement* l_previous_element(current_element);
std::string l_path;
l_path = mt_Get_Path(current_element);
if (m_verbose == true) log() << "++ '" << l_path << "' ++ at line : " << current_element->Row() << '\n';
l_b_ret = mt_Manage_Callback(*current_element, l_path, on_entry_callbacks);
if (l_b_ret == true)
{
current_element = current_element->FirstChildElement();
if (current_element != nullptr)
{
l_b_ret = mt_Recursive_Exploration(current_element, loading_struct, on_entry_callbacks, on_exit_callbacks);
}
l_path = mt_Get_Path(l_previous_element);
if (m_verbose == true) log() << "-- '" << l_path << "' -- at line : " << l_previous_element->Row() << '\n';
l_b_ret = mt_Manage_Callback(*l_previous_element, l_path, on_exit_callbacks);
if (l_b_ret == true)
{
current_element = l_previous_element->NextSiblingElement();
if (current_element != nullptr)
{
l_b_ret = mt_Recursive_Exploration(current_element, loading_struct, on_entry_callbacks, on_exit_callbacks);
}
}
}
loading_struct.m_element_count++;
return l_b_ret;
}
bool XMLFileLoader::mt_Explore_Document(TiXmlElement& root, LoadingStructure& loading_struct, XML_CallbackContainer& on_entry_callbacks, XML_CallbackContainer& on_exit_callbacks)
{
bool l_ret(true);
l_ret = mt_Recursive_Exploration(&root, loading_struct, on_entry_callbacks, on_exit_callbacks);
return l_ret;
}