/*** |''Name''|DiffFormatter| |''Description''|highlighting of text comparisons| |''Author''|FND| |''Version''|0.9.0| |''Status''|beta| |''Source''|http://svn.tiddlywiki.org/Trunk/contributors/FND/formatters/DiffFormatter.js| |''CodeRepository''|http://svn.tiddlywiki.org/Trunk/contributors/FND/| |''License''|[[BSD|http://www.opensource.org/licenses/bsd-license.php]]| |''Keywords''|formatting| !Description Highlights changes in a unified [[diff|http://en.wikipedia.org/wiki/Diff#Unified_format]]. !Notes Based on Martin Budden's [[DiffFormatterPlugin|http://svn.tiddlywiki.org/Trunk/contributors/MartinBudden/formatters/DiffFormatterPlugin.js]]. !Usage The formatter is applied to blocks wrapped in {{{diff{..}}} within tiddlers tagged with "diff". !Revision History !!v0.9 (2010-04-07) * initial release; fork of DiffFormatterPlugin !StyleSheet .diff { white-space: pre; font-family: monospace; } .diff ins, .diff del { display: block; text-decoration: none; } .diff ins { background-color: #dfd; } .diff del { background-color: #fdd; } .diff .highlight { background-color: [[ColorPalette::SecondaryPale]]; } !Code ***/ //{{{ (function() { config.shadowTiddlers.StyleSheetDiffFormatter = store.getTiddlerText(tiddler.title + "##StyleSheet"); store.addNotification("StyleSheetDiffFormatter", refreshStyles); var formatters = [{ name: "diffWrapper", match: "^\\{\\{diff\\{\n", // XXX: suboptimal termRegExp: /(.*\}\}\})$/mg, handler: function(w) { var el = createTiddlyElement(w.output, "div", null, "diff"); w.subWikifyTerm(el, this.termRegExp); } }, { name: "diffRange", match: "^(?:@@|[+\\-]{3}) ", lookaheadRegExp: /^(?:@@|[+\-]{3}) .*\n/mg, handler: function(w) { createTiddlyElement(w.output, "div", null, "highlight"). innerHTML = "…"; this.lookaheadRegExp.lastIndex = w.matchStart; var lookaheadMatch = this.lookaheadRegExp.exec(w.source); if(lookaheadMatch && lookaheadMatch.index == w.matchStart) { w.nextMatch = this.lookaheadRegExp.lastIndex; } } }, { name: "diffAdded", match: "^\\+", termRegExp: /(\n)/mg, handler: function(w) { var el = createTiddlyElement(w.output, "ins", null, "added"); w.subWikifyTerm(el, this.termRegExp); } }, { name: "diffRemoved", match: "^-", termRegExp: /(\n)/mg, handler: function(w) { var el = createTiddlyElement(w.output, "del", null, "removed"); w.subWikifyTerm(el, this.termRegExp); } } ]; config.parsers.diffFormatter = new Formatter(formatters); config.parsers.diffFormatter.format = "diff"; config.parsers.diffFormatter.formatTag = "diff"; })(); //}}}