bool EntityLODComponent::LoadFromFile(const char *szFilename)
{
TiXmlDocument doc;
if (!doc.LoadFile(szFilename,Vision::File.GetManager()))
return false;
return ParseXMLNode(XMLHelper::SubNode(doc.RootElement(),"LOD",false));
}
/**\brief Load an XML file
* \arg filename The XML file that should be parsed.
* \arg optional If this is true, an error is not returned if the file doesn't exist.
*/
bool Components::Load(string filename, bool optional) {
xmlDocPtr doc;
xmlNodePtr cur;
int versionMajor = 0, versionMinor = 0, versionMacro = 0;
int numObjs = 0;
bool success = true;
File xmlfile = File (filename);
long filelen = xmlfile.GetLength();
char *buffer = xmlfile.Read();
doc = xmlParseMemory( buffer, static_cast<int>(filelen) );
delete [] buffer;
if( doc == NULL ) {
LogMsg(ERR, "Could not load '%s' for parsing.", filename.c_str() );
return optional;
}
cur = xmlDocGetRootElement( doc );
if( cur == NULL ) {
LogMsg(ERR, "'%s' file appears to be empty.", filename.c_str() );
xmlFreeDoc( doc );
return false;
}
if( xmlStrcmp( cur->name, (const xmlChar *)rootName.c_str() ) ) {
LogMsg(ERR, "'%s' appears to be invalid. Root element was %s.", filename.c_str(), (char *)cur->name );
xmlFreeDoc( doc );
return false;
} else {
LogMsg(INFO, "'%s' file found and valid, parsing...", filename.c_str() );
}
cur = cur->xmlChildrenNode;
while( success && cur != NULL ) {
// Parse for the version information and any children nodes
if( ( !xmlStrcmp( cur->name, BAD_CAST "version-major" ) ) ) {
xmlChar *key = xmlNodeListGetString( doc, cur->xmlChildrenNode, 1 );
versionMajor = atoi( (char *)key );
xmlFree( key );
} else if( ( !xmlStrcmp( cur->name, BAD_CAST "version-minor" ) ) ) {
xmlChar *key = xmlNodeListGetString( doc, cur->xmlChildrenNode, 1 );
versionMinor = atoi( (char *)key );
xmlFree( key );
} else if( ( !xmlStrcmp( cur->name, BAD_CAST "version-macro" ) ) ) {
xmlChar *key = xmlNodeListGetString( doc, cur->xmlChildrenNode, 1 );
versionMacro = atoi( (char *)key );
xmlFree( key );
} else if( ( !xmlStrcmp( cur->name, BAD_CAST componentName.c_str() ) ) ) {
// Parse a Component
success = ParseXMLNode( doc, cur );
assert(success);
if(success) numObjs++;
}
cur = cur->next;
}
xmlFreeDoc( doc );
LogMsg(INFO, "Parsing of file '%s' done, found %d objects. File is version %d.%d.%d.", filename.c_str(), numObjs, versionMajor, versionMinor, versionMacro );
return success;
}
/**\brief Load an XML file
* \arg filename The XML file that should be parsed.
* \arg optional If this is true, an error is not returned if the file doesn't exist.
*/
bool Components::Load(string filename, bool optional) {
xmlDocPtr doc;
xmlNodePtr cur, ver;
int versionMajor = 0, versionMinor = 0, versionMacro = 0;
int numObjs = 0;
bool success = true;
File xmlfile = File (filename);
long filelen = xmlfile.GetLength();
char *buffer = xmlfile.Read();
doc = xmlParseMemory( buffer, static_cast<int>(filelen) );
delete [] buffer;
if( doc == NULL ) {
LogMsg(ERR, "Could not load '%s' for parsing.", filename.c_str() );
return optional;
}
cur = xmlDocGetRootElement( doc );
if( cur == NULL ) {
LogMsg(ERR, "'%s' file appears to be empty.", filename.c_str() );
xmlFreeDoc( doc );
return false;
}
if( xmlStrcmp( cur->name, (const xmlChar *)rootName.c_str() ) ) {
LogMsg(ERR, "'%s' appears to be invalid. Root element was %s.", filename.c_str(), (char *)cur->name );
xmlFreeDoc( doc );
return false;
} else {
LogMsg(INFO, "'%s' file found and valid, parsing...", filename.c_str() );
}
// Get the version number
if( (ver = FirstChildNamed(cur, "version-major")) != NULL ) {
versionMajor = NodeToInt(doc,ver);
}
if( (ver = FirstChildNamed(cur, "version-minor")) != NULL ) {
versionMinor = NodeToInt(doc,ver);
}
if( (ver = FirstChildNamed(cur, "version-macro")) != NULL ) {
versionMacro = NodeToInt(doc,ver);
}
if( ( versionMajor != EPIAR_VERSION_MAJOR ) ||
( versionMinor != EPIAR_VERSION_MINOR ) ||
( versionMacro != EPIAR_VERSION_MICRO ) ) {
LogMsg(WARN, "File '%s' is version %d.%d.%d. This may cause problems since it does not match the current version %d.%d.%d.",
filename.c_str(),
versionMajor, versionMinor, versionMacro,
EPIAR_VERSION_MAJOR, EPIAR_VERSION_MINOR, EPIAR_VERSION_MICRO );
}
// Get the components
cur = cur->xmlChildrenNode;
while( success && cur != NULL ) {
// Parse for the version information and any children nodes
if( ( !xmlStrcmp( cur->name, BAD_CAST componentName.c_str() ) ) ) {
// Parse a Component
success = ParseXMLNode( doc, cur );
assert(success || optional);
if(success) numObjs++;
}
cur = cur->next;
}
xmlFreeDoc( doc );
filepath = filename;
LogMsg(INFO, "Parsing of file '%s' done, found %d objects. File is version %d.%d.%d.", filename.c_str(), numObjs, versionMajor, versionMinor, versionMacro );
return success;
}
