C++ (Cpp) idLexer::LoadFile示例

/*
================
idTypeInfoTools::CompareGameState
================
*/
void idTypeInfoTools::CompareGameState( const char *fileName ) {
	int entityNum;
	idToken token;

	src = new idLexer();
	src->SetFlags( LEXFL_NOSTRINGESCAPECHARS );

	if ( !src->LoadFile( fileName ) ) {
		common->Warning( "couldn't load %s", fileName );
		delete src;
		src = NULL;
		return;
	}

	fp = NULL;
	Write = VerifyVariable;

#ifdef DUMP_GAMELOCAL

	if ( !src->ExpectTokenString( "gameLocal" ) || !src->ExpectTokenString( "{" ) ) {
		delete src;
		src = NULL;
		return;
	}

	WriteClass_r( (void *)&gameLocal, "", "idGameLocal", "idGameLocal", "", 0 );

	if ( !src->ExpectTokenString( "}" ) ) {
		delete src;
		src = NULL;
		return;
	}

#endif

	while( src->ReadToken( &token ) ) {
		if ( token != "entity" ) {
			break;
		}
		if ( !src->ExpectTokenType( TT_NUMBER, TT_INTEGER, &token ) ) {
			break;
		}

		entityNum = token.GetIntValue();

		if ( entityNum < 0 || entityNum >= gameLocal.num_entities ) {
			src->Warning( "entity number %d out of range", entityNum );
			break;
		}

		typeError = false;

		idEntity *ent = gameLocal.entities[entityNum];
		if ( !ent ) {
			src->Warning( "entity %d is not spawned", entityNum );
			src->SkipBracedSection( true );
			continue;
		}

		if ( !src->ExpectTokenType( TT_NAME, 0, &token ) ) {
			break;
		}

		if ( token.Cmp( ent->GetType()->classname ) != 0 ) {
			src->Warning( "entity %d has wrong type", entityNum );
			src->SkipBracedSection( true );
			continue;
		}

		if ( !src->ExpectTokenString( "{" ) ) {
			src->Warning( "entity %d missing leading {", entityNum );
			break;
		}

		WriteClass_r( (void *)ent, "", ent->GetType()->classname, ent->GetType()->classname, "", 0 );

		if ( !src->SkipBracedSection( false ) ) {
			src->Warning( "entity %d missing trailing }", entityNum );
			break;
		}
	}

	delete src;
	src = NULL;
}