C++ idStr::Clear方法代码示例

/*
================
idLexer::GetLastWhiteSpace
================
*/
int idLexer::GetLastWhiteSpace( idStr &whiteSpace ) const {
	whiteSpace.Clear();
	for ( const char *p = whiteSpaceStart_p; p < whiteSpaceEnd_p; p++ ) {
		whiteSpace.Append( *p );
	}
	return whiteSpace.Length();
}

/*
===============
idCommonLocal::ScrubSaveGameFileName

Turns a bad file name into a good one or your money back
===============
*/
void idCommonLocal::ScrubSaveGameFileName( idStr &saveFileName ) const {
	int i;
	idStr inFileName;

	inFileName = saveFileName;
	inFileName.RemoveColors();
	inFileName.StripFileExtension();

	saveFileName.Clear();

	int len = inFileName.Length();
	for ( i = 0; i < len; i++ ) {
		if ( strchr( "',[email protected]#$%^&*()[]{}<>\\|/=?+;:-\'\"", inFileName[i] ) ) {
			// random junk
			saveFileName += '_';
		} else if ( (const unsigned char)inFileName[i] >= 128 ) {
			// high ascii chars
			saveFileName += '_';
		} else if ( inFileName[i] == ' ' ) {
			saveFileName += '_';
		} else {
			saveFileName += inFileName[i];
		}
	}
}

/*
================
DialogDeclBrowser::GetDeclName
================
*/
void DialogDeclBrowser::GetDeclName( HTREEITEM item, idStr &typeName, idStr &declName ) const {
	HTREEITEM parent;
	idStr itemName;

	declName.Clear();
	for( parent = declTree.GetParentItem( item ); parent; parent = declTree.GetParentItem( parent ) ) {
		itemName = declTree.GetItemText( item );
		declName = itemName + "/" + declName;
		item = parent;
	}
	declName.Strip( '/' );
	typeName = declTree.GetItemText( item );
}

/*
====================
idModelExport::Shutdown
====================
*/
void idModelExport::Shutdown( void ) {
	if( Maya_Shutdown ) {
		Maya_Shutdown();
	}
	if( importDLL ) {
		sys->DLL_Unload( importDLL );
	}
	importDLL = 0;
	Maya_Shutdown = NULL;
	Maya_ConvertModel = NULL;
	Maya_Error.Clear();
	initialized = false;
}

/*
============
idCmdSystemLocal::Shutdown
============
*/
void idCmdSystemLocal::Shutdown( void ) {
	commandDef_t *cmd;

	for ( cmd = commands; cmd; cmd = commands ) {
		commands = commands->next;
		Mem_Free( cmd->name );
		Mem_Free( cmd->description );
		delete cmd;
	}

	completionString.Clear();
	completionParms.Clear();
	tokenizedCmds.Clear();
	postReload.Clear();
}

/*
===============
Sys_Shutdown
===============
*/
void Sys_Shutdown()
{
	basepath.Clear();
	savepath.Clear();
	Posix_Shutdown();
}

bool Sys_GetPath(sysPath_t type, idStr &path) {
	const char *s;
	char buf[MAX_OSPATH];
	char buf2[MAX_OSPATH];
	struct stat st;
	size_t len;

	path.Clear();

	switch(type) {
	case PATH_BASE:
		if (stat(BUILD_DATADIR, &st) != -1 && S_ISDIR(st.st_mode)) {
			path = BUILD_DATADIR;
			return true;
		}

		common->Warning("base path '" BUILD_DATADIR "' does not exist");

		// try next to the executable..
		if (Sys_GetPath(PATH_EXE, path)) {
			path = path.StripFilename();
			// the path should have a base dir in it, otherwise it probably just contains the executable
			idStr testPath = path + "/" BASE_GAMEDIR;
			if (stat(testPath.c_str(), &st) != -1 && S_ISDIR(st.st_mode)) {
				common->Warning("using path of executable: %s", path.c_str());
				return true;
			} else {
				path.Clear();
			}
		}

		// fallback to vanilla doom3 install
		if (stat(LINUX_DEFAULT_PATH, &st) != -1 && S_ISDIR(st.st_mode)) {
			common->Warning("using hardcoded default base path: " LINUX_DEFAULT_PATH);

			path = LINUX_DEFAULT_PATH;
			return true;
		}

		return false;

	case PATH_CONFIG:
		s = getenv("XDG_CONFIG_HOME");
		if (s)
			idStr::snPrintf(buf, sizeof(buf), "%s/dhewm3", s);
		else
			idStr::snPrintf(buf, sizeof(buf), "%s/.config/dhewm3", getenv("HOME"));

		path = buf;
		return true;

	case PATH_SAVE:
		s = getenv("XDG_DATA_HOME");
		if (s)
			idStr::snPrintf(buf, sizeof(buf), "%s/dhewm3", s);
		else
			idStr::snPrintf(buf, sizeof(buf), "%s/.local/share/dhewm3", getenv("HOME"));

		path = buf;
		return true;

	case PATH_EXE:
		idStr::snPrintf(buf, sizeof(buf), "/proc/%d/exe", getpid());
		len = readlink(buf, buf2, sizeof(buf2));
		if (len != -1) {
			path = buf2;
			return true;
		}

		if (path_argv[0] != 0) {
			path = path_argv;
			return true;
		}

		return false;
	}

	return false;
}