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https://github.com/kennethreitz-archive/gitx.git
synced 2026-06-05 23:40:18 +00:00
Pieter de Bie
fe38069e39
This might improve performance, as we don't have to match again every line.
90 lines
2.4 KiB
JavaScript
90 lines
2.4 KiB
JavaScript
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// If we run from a Safari instance, we don't
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// have a Controller object. Instead, we fake it by
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// using the console
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if (typeof Controller == 'undefined')
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{
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Controller = console;
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Controller.log_ = console.log;
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}
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var highlightDiffs = function() {
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var start = new Date().getTime();
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var diffs = document.getElementsByClassName("diffcode");
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for (var diffn = 0; diffn < diffs.length; diffn++) {
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var diff = diffs[diffn];
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var content = diff.innerHTML.replace(/\t/g, " ");;
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var line1 = "";
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var line2 = "";
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var diffContent = "";
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var lines = content.split('\n');
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var hunk_start_line_1 = -1;
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var hunk_start_line_2 = -1;
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var header = false;
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for (var lineno = 0; lineno < lines.length; lineno++) {
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var l = lines[lineno];
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var firstChar = l.charAt(0);
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if (header) {
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if (firstChar == "+" || firstChar == "-")
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continue;
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} else if (firstChar == "d") {
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header = true;
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line1 += '\n';
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line2 += '\n';
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diffContent += '<div class="fileHeader"><span class="fileline">' + l + '</span></div>';
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continue;
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}
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if (firstChar == "+") {
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// Highlight trailing whitespace
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if (m = l.match(/\s+$/))
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l = l.replace(/\s+$/, "<span class='whitespace'>" + m + "</span>");
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line1 += "\n";
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line2 += ++hunk_start_line_2 + "\n";
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diffContent += "<div class='addline'>" + l + "</div>";
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}
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else if (firstChar == "-") {
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line1 += ++hunk_start_line_1 + "\n";
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line2 += "\n";
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diffContent += "<div class='delline'>" + l + "</div>";
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}
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else if (firstChar == "@")
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{
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header = false;
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if (m = l.match(/@@ \-([0-9]+),\d+ \+(\d+),\d+ @@/))
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{
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hunk_start_line_1 = parseInt(m[1]) - 1;
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hunk_start_line_2 = parseInt(m[2]) - 1;
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}
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line1 += "...\n";
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line2 += "...\n";
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diffContent += "<div class='hunkheader'>" + l + "</div>";
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}
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else if (firstChar == " ")
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{
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line1 += ++hunk_start_line_1 + "\n";
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line2 += ++hunk_start_line_2 + "\n";
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diffContent += l + "\n";
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}
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}
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// This takes about 7ms
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diff.innerHTML = "<table class='diff'><tr><td class='lineno'l><pre>" + line1 + "</pre></td>" +
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"<td class='lineno'l><pre>" + line2 + "</pre></td>" +
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"<td width='100%'><pre width='100%'>" + diffContent + "</pre></td></tr></table>";
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}
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// TODO: Replace this with a performance pref call
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if (false)
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Controller.log_("Total time:" + (new Date().getTime() - start));
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} |