make matching configurable

README.md

@@ -50,7 +50,7 @@ The HTML output accepts a Javascript object with configuration. Possible options
   - `inputFormat`: the format of the input data: `'diff'` or `'json'`, default is `'diff'`
   - `outputFormat`: the format of the output data: `'line-by-line'` or `'side-by-side'`, default is `'line-by-line'`
   - `showFiles`: show a file list before the diff: `true` or `false`, default is `false`
-  - `matchWords`: matches changed words in diff output lines: `true` or `false`, default is `false`
+  - `matching`: matching level: `'lines'` for matching lines, `'words'` for matching lines and words or `'none'`, default is `none`
   - `matchWordsThreshold`: similarity threshold for word matching, default is 0.25
 
 

src/line-by-line-printer.js

@@ -71,7 +71,19 @@
       var oldLines = [];
       var newLines = [];
       function processChangeBlock() {
-        var matches = matcher(oldLines, newLines);
+        var matches;
+        var insertType;
+        var deleteType;
+        var doMatching = config.matching === "lines" || config.matching === "words";
+        if (doMatching) {
+          matches = matcher(oldLines, newLines);
+          insertType = diffParser.LINE_TYPE.INSERT_CHANGES;
+          deleteType = diffParser.LINE_TYPE.DELETE_CHANGES;
+        } else {
+          matches = [[oldLines,newLines]];
+          insertType = diffParser.LINE_TYPE.INSERTS;
+          deleteType = diffParser.LINE_TYPE.DELETES;
+        }
         matches.forEach(function(match){
           var oldLines = match[0];
           var newLines = match[1];
@@ -89,10 +101,10 @@
               var diff = printerUtils.diffHighlight(oldLine.content, newLine.content, config);
 
               processedOldLines +=
-                generateLineHtml(diffParser.LINE_TYPE.DELETE_CHANGES, oldLine.oldNumber, oldLine.newNumber,
+                generateLineHtml(deleteType, oldLine.oldNumber, oldLine.newNumber,
                   diff.first.line, diff.first.prefix);
               processedNewLines +=
-                generateLineHtml(diffParser.LINE_TYPE.INSERT_CHANGES, newLine.oldNumber, newLine.newNumber,
+                generateLineHtml(insertType, newLine.oldNumber, newLine.newNumber,
                   diff.second.line, diff.second.prefix);
             }
 

src/printer-utils.js

@@ -71,7 +71,7 @@
     var highlightedLine = '';
 
     var changedWords = [];
-    if (!config.charByChar && config.matchWords) {
+    if (!config.charByChar && config.matching === 'words') {
       var treshold = 0.25;
       if (typeof(config.matchWordsThreshold) !== "undefined") {
         treshold = config.matchWordsThreshold;

src/side-by-side-printer.js

@@ -95,7 +95,19 @@
       var oldLines = [];
       var newLines = [];
       function processChangeBlock() {
-        var matches = matcher(oldLines, newLines);
+        var matches;
+        var insertType;
+        var deleteType;
+        var doMatching = config.matching === "lines" || config.matching === "words";
+        if (doMatching) {
+          matches = matcher(oldLines, newLines);
+          insertType = diffParser.LINE_TYPE.INSERT_CHANGES;
+          deleteType = diffParser.LINE_TYPE.DELETE_CHANGES;
+        } else {
+          matches = [[oldLines,newLines]];
+          insertType = diffParser.LINE_TYPE.INSERTS;
+          deleteType = diffParser.LINE_TYPE.DELETES;
+        }
         matches.forEach(function(match){
           var oldLines = match[0];
           var newLines = match[1];
@@ -113,10 +125,10 @@
             var diff = printerUtils.diffHighlight(oldLine.content, newLine.content, config);
 
             fileHtml.left +=
-              generateSingleLineHtml(diffParser.LINE_TYPE.DELETE_CHANGES, oldLine.oldNumber,
+              generateSingleLineHtml(deleteType, oldLine.oldNumber,
                 diff.first.line, diff.first.prefix);
             fileHtml.right +=
-              generateSingleLineHtml(diffParser.LINE_TYPE.INSERT_CHANGES, newLine.newNumber,
+              generateSingleLineHtml(insertType, newLine.newNumber,
                 diff.second.line, diff.second.prefix);
             }
             if (max > common) {