Fix broken linenum

Author: tatetian

PseudoCode.js

@@ -4,7 +4,6 @@
  * TODO:
  *      * demo
  *      * Support color
- *      * Support TeX comment
  **/
 
 var ParseError = require('./src/ParseError');

src/Lexer.js

@@ -66,20 +66,22 @@ var atomRegex = {
     ordinary: /^[^\\{}$&#%_\s]+/,
     math: mathPattern ///^\$.*\$/,
 };
-var commentRegex = /^%.*/
+var commentRegex = /^%.*/;
 var whitespaceRegex = /^\s+/;
 
 Lexer.prototype._skip = function(len) {
     this._pos += len;
     this._remain = this._remain.slice(len);
-}
+};
 
 /* Get the next atom */
 Lexer.prototype._next = function() {
+    var anyWhitespace = false;
     while (1) {
         // Skip whitespace (one or more)
         var whitespaceMatch = whitespaceRegex.exec(this._remain);
         if (whitespaceMatch) {
+            anyWhitespace = true;
             var whitespaceLen = whitespaceMatch[0].length;
             this._skip(whitespaceLen);
         }
@@ -118,7 +120,7 @@ Lexer.prototype._next = function() {
         this._nextAtom = {
             type: type, /* special, func, open, close, ordinary, math */
             text: usefulText, /* the text value of the atom */
-            whitespace: whitespaceLen > 0 /* any whitespace before the atom */
+            whitespace: anyWhitespace /* any whitespace before the atom */
         };
 
         this._pos += matchText.length;

src/Renderer.js

@@ -309,7 +309,7 @@ HTMLBuilder.prototype.write = function(html) {
 HTMLBuilder.prototype.toMarkup = function() {
     this._flushText();
     var html = this._body.join('');
-    return html;
+    return html.trim();
 };
 
 HTMLBuilder.prototype.toDOM = function() {
@@ -485,9 +485,9 @@ Renderer.prototype._newLine = function() {
         this._html.beginP('ps-line ps-code', this._globalTextStyle.toCSS());
         if (this._options.lineNumber) {
             this._html.beginSpan('ps-linenum', {
-                'left': - ((this._blockLevel - 1)*(indentSize - 0.2)) + 'em'
+                'left': - ((this._blockLevel - 1)*(indentSize* 1.25)) + 'em'
             })
-            .putText(this._numLOC + this._options.lineNumberPunc)
+            .putText(this._numLOC + this._options.lineNumberPunc + ' ')
             .endSpan();
         }
     }
@@ -534,7 +534,7 @@ Renderer.prototype._buildCommentsFromBlock = function(blockNode) {
         var commentNode = children.shift();
         this._buildTree(commentNode);
     }
-}
+};
 
 Renderer.prototype._buildTree = function(node) {
     var ci, child, textNode;

static/pseudocode.css

@@ -52,7 +52,7 @@
     position: relative;
 }
 .ps-root .ps-algorithmic.with-linenum .ps-line.ps-code {
-    text-indent: -2.2em;
+    text-indent: -1.6em;
 }
 .ps-root .ps-algorithmic.with-linenum .ps-line.ps-code > span{
     text-indent: 0em;

static/test-suite.html

@@ -36,6 +36,7 @@
             \STATE \uppercase{uppercase,} \lowercase{LOWERCASE.}
         \ENDPROCEDURE
         \PROCEDURE{Test-Colors}{}
+        % feature not implemented
         \ENDPROCEDURE
         \end{algorithmic}
         \end{algorithm}
@@ -119,6 +120,7 @@
             \ENDIF
         \ENDPROCEDURE
         \PROCEDURE{Partition}{$A, p, r$}
+            \STATE someting
             \STATE $x = A[r]$
             \STATE $i = p - 1$
             \FOR{$j = p$ \TO $r - 1$}
@@ -145,7 +147,7 @@
         });
         var testExamples = document.getElementById("test-examples").textContent;
         pseudocode.render(testExamples, document.body, {
-            lineNumber: false,
+            lineNumber: true,
             noEnd: false
         });
     </script>