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/*
* Copyright (C) 2005-2008 Team XBMC
* http://www.xbmc.org
*
* This Program 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.
*
* This Program 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 XBMC; see the file COPYING. If not, write to
* the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
* http://www.gnu.org/copyleft/gpl.html
*
*/
#include "GUIIncludes.h"
#include "addons/Skin.h"
#include "utils/GUIInfoManager.h"
#include "utils/log.h"
#include "tinyXML/tinyxml.h"
using namespace std;
CGUIIncludes::CGUIIncludes()
{
}
CGUIIncludes::~CGUIIncludes()
{
}
void CGUIIncludes::ClearIncludes()
{
m_includes.clear();
m_defaults.clear();
m_constants.clear();
m_files.clear();
}
bool CGUIIncludes::LoadIncludes(const CStdString &includeFile)
{
// check to see if we already have this loaded
if (HasIncludeFile(includeFile))
return true;
TiXmlDocument doc;
if (!doc.LoadFile(includeFile))
{
CLog::Log(LOGINFO, "Error loading includes.xml file (%s): %s (row=%i, col=%i)", includeFile.c_str(), doc.ErrorDesc(), doc.ErrorRow(), doc.ErrorCol());
return false;
}
// success, load the tags
if (LoadIncludesFromXML(doc.RootElement()))
{
m_files.push_back(includeFile);
return true;
}
return false;
}
bool CGUIIncludes::LoadIncludesFromXML(const TiXmlElement *root)
{
if (!root || strcmpi(root->Value(), "includes"))
{
CLog::Log(LOGERROR, "Skin includes must start with the <includes> tag");
return false;
}
const TiXmlElement* node = root->FirstChildElement("include");
while (node)
{
if (node->Attribute("name") && node->FirstChild())
{
CStdString tagName = node->Attribute("name");
m_includes.insert(pair<CStdString, TiXmlElement>(tagName, *node));
}
else if (node->Attribute("file"))
{ // load this file in as well
LoadIncludes(g_SkinInfo->GetSkinPath(node->Attribute("file")));
}
node = node->NextSiblingElement("include");
}
// now defaults
node = root->FirstChildElement("default");
while (node)
{
if (node->Attribute("type") && node->FirstChild())
{
CStdString tagName = node->Attribute("type");
m_defaults.insert(pair<CStdString, TiXmlElement>(tagName, *node));
}
node = node->NextSiblingElement("default");
}
// and finally constants
node = root->FirstChildElement("constant");
while (node)
{
if (node->Attribute("name") && node->FirstChild())
{
CStdString tagName = node->Attribute("name");
m_constants.insert(pair<CStdString, float>(tagName, (float)atof(node->FirstChild()->Value())));
}
node = node->NextSiblingElement("constant");
}
return true;
}
bool CGUIIncludes::HasIncludeFile(const CStdString &file) const
{
for (iFiles it = m_files.begin(); it != m_files.end(); ++it)
if (*it == file) return true;
return false;
}
void CGUIIncludes::ResolveIncludes(TiXmlElement *node, const CStdString &type)
{
// we have a node, find any <include file="fileName">tagName</include> tags and replace
// recursively with their real includes
if (!node) return;
// First add the defaults if this is for a control
if (!type.IsEmpty())
{ // resolve defaults
map<CStdString, TiXmlElement>::const_iterator it = m_defaults.find(type);
if (it != m_defaults.end())
{
const TiXmlElement &element = (*it).second;
const TiXmlElement *tag = element.FirstChildElement();
while (tag)
{
// we insert at the end of block
node->InsertEndChild(*tag);
tag = tag->NextSiblingElement();
}
}
}
TiXmlElement *include = node->FirstChildElement("include");
while (include && include->FirstChild())
{
// have an include tag - grab it's tag name and replace it with the real tag contents
const char *file = include->Attribute("file");
if (file)
{ // we need to load this include from the alternative file
LoadIncludes(g_SkinInfo->GetSkinPath(file));
}
const char *condition = include->Attribute("condition");
if (condition)
{ // check this condition
if (!g_infoManager.GetBool(g_infoManager.TranslateString(condition)))
{
include = include->NextSiblingElement("include");
continue;
}
}
CStdString tagName = include->FirstChild()->Value();
map<CStdString, TiXmlElement>::const_iterator it = m_includes.find(tagName);
if (it != m_includes.end())
{ // found the tag(s) to include - let's replace it
const TiXmlElement &element = (*it).second;
const TiXmlElement *tag = element.FirstChildElement();
while (tag)
{
// we insert before the <include> element to keep the correct
// order (we render in the order given in the xml file)
node->InsertBeforeChild(include, *tag);
tag = tag->NextSiblingElement();
}
// remove the <include>tagName</include> element
node->RemoveChild(include);
include = node->FirstChildElement("include");
}
else
{ // invalid include
CLog::Log(LOGWARNING, "Skin has invalid include: %s", tagName.c_str());
include = include->NextSiblingElement("include");
}
}
}
bool CGUIIncludes::ResolveConstant(const CStdString &constant, float &value) const
{
map<CStdString, float>::const_iterator it = m_constants.find(constant);
if (it == m_constants.end())
value = (float)atof(constant.c_str());
else
value = it->second;
return true;
}
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