Some placeholder commands, working substitution

2016-04-03 05:23:26 +08:00
parent 63575ce2e6
commit f4dc0e7d9c
19 changed files with 573 additions and 64 deletions
@@ -0,0 +1,165 @@
+(function(){
+	var ns = __namespace( "Components.Vim.Actions" );
+
+	/** @type {System.Debug} */
+	var debug                                 = __import( "System.Debug" );
+
+	var VimError = __import( "Components.Vim.Error" );
+
+	var CMD_RANGE = 0;
+	var CMD_TYPE = 1;
+	var CMD_ARGS = 2;
+	var CMD_ERR = 3;
+
+	var ParseCommand = function( pattern )
+	{
+		var i = 1;
+
+		var range = "";
+		var out = [];
+
+		if( ".$%".indexOf( pattern[ i ] ) != -1 )
+		{
+			range = pattern[ i ++ ];
+		}
+		else
+		{
+			for( ; "0123456789".indexOf( pattern[ i ] ) != -1; i ++ )
+			{
+				range += pattern[ i ];
+			}
+		}
+
+		var command = "";
+
+		if( "/?".indexOf( pattern[ i ] ) != -1 )
+		{
+			command = pattern[ i ];
+		}
+		else
+		{
+			var cmdReg = /\w/g;
+			for( var j = pattern[ i ]; j = pattern[ i ]; i ++ )
+			{
+				if( j.match( cmdReg ) )
+				{
+					command += j;
+				}
+				else break;
+			}
+		}
+
+		var allowRange = false;
+		switch( command )
+		{
+			case "s":
+			case "su":
+			case "substitute":
+				allowRange = true;
+				out[ CMD_TYPE ] = "REPLACE";
+				break;
+			case "/":
+				allowRange = true;
+				out[ CMD_TYPE ] = "FIND";
+				break;
+
+			case "buffers":
+			case "ls":
+				out[ CMD_TYPE ] = "BUFFERS";
+
+				break;
+			case "w":
+			case "write":
+				out[ CMD_TYPE ] = "WRITE";
+				break;
+			case "q":
+			case "quit":
+				out[ CMD_TYPE ] = "QUIT";
+				break;
+			case "register":
+			case "registers":
+				out[ CMD_TYPE ] = "REGISTERS";
+				break;
+			case "ver":
+			case "version":
+				out[ CMD_TYPE ] = "VERSION";
+				break;
+			case "h":
+			case "help":
+				out[ CMD_TYPE ] = "HELP";
+				break;
+		}
+
+		if( range !== "" )
+		{
+			if( allowRange ) out[ CMD_RANGE ] = range;
+			else out[ CMD_ERR ] = VimError( "E481" );
+		}
+
+		out[ CMD_ARGS ] = pattern.slice( i );
+		return out;
+	};
+
+	/** @type {Components.Vim.IAction} */
+	var EDITOR_COMMAND = function( Cursor )
+	{
+		/** @type {Components.Vim.Cursor} */
+		this.__cursor = Cursor;
+		this.__msg = "";
+		Cursor.suppressEvent();
+	};
+
+	EDITOR_COMMAND.prototype.dispose = function()
+	{
+		this.__cursor.unsuppressEvent();
+	};
+
+	EDITOR_COMMAND.prototype.handler = function( e, p )
+	{
+		e.preventDefault();
+
+		var cmd = ParseCommand( p );
+
+		if( cmd[ CMD_ERR ] )
+		{
+			this.__msg = cmd[ CMD_ERR ];
+			return true;
+		}
+		else if( !cmd[ CMD_TYPE ] )
+		{
+			this.__msg = VimError( "E492", p.slice( 1 ).join( "" ) );
+			return true;
+		}
+
+		try
+		{
+			ns[ NS_INVOKE ]( cmd[ CMD_TYPE ] );
+		}
+		catch( ex )
+		{
+			this.__msg = VimError( "TODO", cmd[ CMD_TYPE ] );
+			return true;
+		}
+
+		try
+		{
+			this.__cursor.openRunAction(
+				cmd[ CMD_TYPE ], e, cmd[ CMD_ARGS ], cmd[ CMD_RANGE ]
+			);
+			this.__msg = this.__cursor.message;
+		}
+		catch( ex )
+		{
+			debug.Error( ex );
+		}
+
+		return true;
+	};
+
+	EDITOR_COMMAND.prototype.getMessage = function()
+	{
+		return this.__msg;
+	};
+
+	ns[ NS_EXPORT ]( EX_CLASS, "EDITOR_COMMAND", EDITOR_COMMAND );
+})();