void LibxmlParser::parseXMLFile(XMLHandler& handler, const String& filename, const String&, const String& resourceGroup)
{
// load xml file data into buffer using resource provider
CEGUI::RawDataContainer rawXMLData;
CEGUI::System::getSingleton().getResourceProvider()->loadRawDataContainer(filename, rawXMLData, resourceGroup);
xmlDocPtr doc = xmlParseMemory(
reinterpret_cast<char*>(rawXMLData.getDataPtr()),
rawXMLData.getSize());
// release loaded xml data.
System::getSingleton().getResourceProvider()->
unloadRawDataContainer(rawXMLData);
if (!doc)
{
xmlError* err = xmlGetLastError();
throw GenericException(
String("LibxmlParser::parseXMLFile - xmlParseMemory failed in file: '") +
err->file + "' at line number" +
PropertyHelper::uintToString(err->line) + ". Error is:" +
err->message);
}
// get root element
xmlNode* root = xmlDocGetRootElement(doc);
// process all elements from root to end of doc
processXMLElement(handler, root);
// release the xmlDoc
xmlFreeDoc(doc);
}
void ExpatParser::parseXMLFile(CEGUI::XMLHandler& handler, const CEGUI::String& filename, const CEGUI::String& schemaName, const CEGUI::String& resourceGroup)
{
// All stuff goes here
XML_Parser parser = XML_ParserCreate(0); // Create a parser
if (! parser)
{
throw CEGUI::GenericException("ExpatParser::parseXMLFile - Unable to create a new Expat Parser");
}
XML_SetUserData(parser, (void*)&handler); // Initialise user data
XML_SetElementHandler(parser, startElement, endElement); // Register callback for elements
// Aquire resource using CEGUI ResourceProvider
CEGUI::RawDataContainer rawXMLData;
CEGUI::System::getSingleton().getResourceProvider()->loadRawDataContainer(filename, rawXMLData, resourceGroup);
// Parse the data (note that the last true parameter tels Expat that this is the last chunk of the document
if ( ! XML_Parse(parser, reinterpret_cast<const char*>(rawXMLData.getDataPtr()), rawXMLData.getSize(), true))
{
CEGUI::System::getSingleton().getResourceProvider()->unloadRawDataContainer(rawXMLData);
throw CEGUI::GenericException(CEGUI::String((CEGUI::utf8*)"ExpatParser::parseXMLFile( ") +
CEGUI::String(filename)+
CEGUI::String((CEGUI::utf8*)" ) - XML Parsing error '\r\n") +
CEGUI::String((CEGUI::utf8*)XML_ErrorString(XML_GetErrorCode(parser))) +
CEGUI::String((CEGUI::utf8*)"' at line ") + XML_GetCurrentLineNumber(parser));
}
// Release resource
CEGUI::System::getSingleton().getResourceProvider()->unloadRawDataContainer(rawXMLData);
// Free parser
XML_ParserFree(parser);
}
void CEGUILuaBindScriptModule::executeScriptFile(const CEGUI::String &filename, const CEGUI::String &resourceGroup)
{
// load file
CEGUI::RawDataContainer raw;
CEGUI::System::getSingleton().getResourceProvider()->loadRawDataContainer(filename,
raw, resourceGroup.empty() ? d_defaultResourceGroup : resourceGroup);
lua_State * lua_vm = LuaScript::Instance( ).GetLuaVM( );
// load code into lua
int top = lua_gettop( lua_vm );
int loaderr = luaL_loadbuffer( lua_vm, (char*)raw.getDataPtr(), raw.getSize(), filename.c_str());
CEGUI::System::getSingleton().getResourceProvider()->unloadRawDataContainer( raw );
if (loaderr)
{
CEGUI::String errMsg = lua_tostring(lua_vm,-1);
lua_settop(lua_vm,top);
throw CEGUI::ScriptException("Unable to execute Lua script file: '"+filename+"'\n\n"+errMsg+"\n");
}
// call it
if (lua_pcall(lua_vm,0,0,0))
{
CEGUI::String errMsg = lua_tostring(lua_vm,-1);
lua_settop(lua_vm,top);
throw CEGUI::ScriptException("Unable to execute Lua script file: '"+filename+"'\n\n"+errMsg+"\n");
}
lua_settop(lua_vm,top); // just in case :P
}
void CLuaManager::executeScriptFile(const CEGUI::String& filename, const CEGUI::String& resourceGroup)
{
// load file
CEGUI::RawDataContainer raw;
CEGUI::System::getSingleton().getResourceProvider()->loadRawDataContainer(filename,
raw, resourceGroup.empty() ? d_defaultResourceGroup : resourceGroup);
// load code into lua
int loaderr = luaL_loadbuffer(m_luaVM, (char*)raw.getDataPtr(), raw.getSize(), filename.c_str());
CEGUI::System::getSingleton().getResourceProvider()->unloadRawDataContainer(raw);
// call it
if (loaderr==0) { // run the file
int result = lua_pcall(m_luaVM,0,0,0);
switch (result) {
case LUA_ERRRUN:
CLog::getInstance()->error("Runtime error in %s", filename.c_str());
break;
case LUA_ERRMEM:
CLog::getInstance()->error("Memory alocation error in %s", filename.c_str());
break;
case LUA_ERRERR:
CLog::getInstance()->error("Error handler error in %s", filename.c_str());
break;
default:
break;
}
} else {
CLog::getInstance()->error("Unable to load %s", filename.c_str());
}
}
void GuiTexture::loadFromFile( const CEGUI::String& filename, const CEGUI::String& resourceGroup )
{
glBindTexture( GL_TEXTURE_2D, _ogltexture );
// load file to memory via resource provider
CEGUI::RawDataContainer texFile;
CEGUI::System::getSingleton().getResourceProvider()->loadRawDataContainer( filename, texFile, resourceGroup );
if ( !texFile.getDataPtr() )
return;
tImageTGA* img = LoadTGA( texFile.getDataPtr(), texFile.getSize() );
if (img != 0)
{
_width = static_cast<CEGUI::ushort>(img->sizeX);
_height = static_cast<CEGUI::ushort>(img->sizeY);
// flip the image...
flipImageTGA(img);
// If the image is 32-bit (4 channels), then we need to specify GL_RGBA for an alpha, else we use GL_RGB.
int textureType = (img->channels == 4) ? GL_RGBA : GL_RGB;
glTexImage2D(GL_TEXTURE_2D, 0, textureType, _width, _height, 0, textureType, GL_UNSIGNED_BYTE, img->data);
// Free texture data, we don't need it anymore
if ( img->data )
{
delete[] img->data;
}
// Free the image structure
delete img;
}
else
{
throw CEGUI::RendererException("GuiTexture::loadFromFile - internal Targa loader failed to load image '" + filename + "'.");
}
}