wip

lib/TextBuffer.js

@@ -136,6 +136,29 @@ TextBuffer.prototype.getLineText = function( y = this.cy ) {
 
 
 
+// TODOC
+// Get spaces and tabs at the begining of the line
+TextBuffer.prototype.getLineIndent = function( y = this.cy ) {
+	if ( y >= this.buffer.length ) { return null ; }
+	if ( ! this.buffer[ y ] ) { this.buffer[ y ] = [] ; }
+
+	var indentStr = '' ;
+
+	for ( let x = 0 , xmax = this.buffer[ y ].length ; x < xmax ; x ++ ) {
+		let char = this.buffer[ y ][ x ].char ;
+		if ( char === ' ' || char === '\t' ) {
+			indentStr += char ;
+		}
+		else {
+			break ;
+		}
+	}
+
+	return indentStr ;
+} ;
+
+
+
 // TODOC
 // Count characters in this line, excluding fillers
 TextBuffer.prototype.getLineCharCount = function( y = this.cy ) {
@@ -159,6 +182,40 @@ TextBuffer.prototype.getCellsCharCount = function( cells ) {
 
 
 
+// TODOC
+// Remove spaces and tabs at the end of the line
+TextBuffer.prototype.removeTrailingSpaces = function( y = this.cy , x = null , dry = false ) {
+	if ( y >= this.buffer.length ) { return '' ; }
+	if ( ! this.buffer[ y ] ) { this.buffer[ y ] = [] ; }
+
+	var deletedStr = '' ,
+		x = x ?? this.buffer[ y ].length - 1 ,
+		hasNL = this.buffer[ y ][ x ].char === '\n' ;
+
+	if ( hasNL ) {
+		x -- ;
+	}
+
+	for ( ; x >= 0 ; x -- ) {
+		let char = this.buffer[ y ][ x ].char ;
+
+		if ( char === ' ' || char === '\t' ) {
+			deletedStr = char + deletedStr ;
+		}
+		else {
+			break ;
+		}
+	}
+
+	if ( deletedStr && ! dry ) {
+		this.buffer[ y ].splice( x + 1 , deletedStr.length ) ;
+	}
+
+	return deletedStr ;
+} ;
+
+
+
 // TODOC
 // Get the text, but separate before the cursor and after the cursor
 TextBuffer.prototype.getCursorSplittedText = function() {