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<!DOCTYPE html>
<html>
<head>
<title>Debug</title>
<link rel="stylesheet" href="codemirror.css">
<link rel="stylesheet" href="codemirror-additions.css">
<script src="codemirror.js"></script>
<script src="javascript.js"></script>
<script src="css.js"></script>
<script src="Utilities.js"></script>
<script src="Formatter.js"></script>
<script src="FormatterDebug.js"></script>
<script src="FormatterContentBuilder.js"></script>
<script src="CodeMirrorFormatters.js"></script>
</head>
<body>
<h1>Debug Pretty Printing</h1>
<!-- FIXME: There should be a "save" button that saves the mode and content, so reloading will restore that state -->
<!-- Controls -->
<select id="mode">
<option selected value="text/javascript">JavaScript</option>
<option value="text/css">CSS</option>
</select>
<button id="populate">Populate</button>
<button id="run-tests">Run Tests</button>
<button id="clear">Clear</button>
<button id="select-output">Select Output</button>
<button id="run-again">Run Again</button>
<small id="time"></small>
<br><br>
<!-- Editor -->
<textarea id="code" name="code"></textarea>
<!-- Output -->
<pre id="pretty"></pre>
<pre id="debug"></pre>
<script>
// Editor.
var cm = CodeMirror.fromTextArea(document.getElementById("code"), {
lineNumbers: true,
});
// Initial value.
var str = "(function() { var a=1; return a+1; })();";
cm.setValue(str);
// Setup and changing the mode.
cm.setOption("mode", "text/javascript");
var modePicker = document.getElementById("mode");
modePicker.addEventListener("change", function(event) {
cm.setValue("");
cm.setOption("mode", modePicker.value);
refresh();
});
// Populate button to populate with some canned content.
document.getElementById("populate").addEventListener("click", function(event) {
switch (modePicker.value) {
case "text/javascript":
var url = "populate/jquery.min.js";
break;
case "text/css":
var url = "populate/apple.css";
break;
}
var xhr = new XMLHttpRequest;
xhr.open("GET", url, true);
xhr.onload = function() {
cm.setValue(xhr.responseText);
setTimeout(refresh);
}
xhr.send();
});
// Run Tests button.
document.getElementById("run-tests").addEventListener("click", function(event) {
cm.setValue("Running Tests...");
refresh();
runTests();
});
// Clear button.
document.getElementById("clear").addEventListener("click", function(event) {
cm.setValue("");
refresh();
});
// Select output button.
document.getElementById("select-output").addEventListener("click", function(event) {
var range = document.createRange();
range.selectNodeContents(document.getElementById("pretty"));
var selection = window.getSelection();
selection.removeAllRanges();
selection.addRange(range);
});
// Run again button.
document.getElementById("run-again").addEventListener("click", function(event) {
refresh();
});
// Button helpers.
var buttons = ["mode", "populate", "run-tests", "clear", "select-output", "run-again"];
function disableButtons() {
console.log("disableButtons");
buttons.forEach(function(id) {
document.getElementById(id).disabled = true;
});
}
function enableButtons() {
console.log("enableButtons");
buttons.forEach(function(id) {
document.getElementById(id).disabled = false;
});
}
// Refresh after changes after a short delay.
var timer = null;
cm.on("change", function(codeMirror, change) {
if (timer)
clearTimeout(timer)
timer = setTimeout(function() {
clearTimeout(timer);
timer = null;
refresh();
}, 500);
});
// Output elements.
var timeOutput = document.getElementById("time");
var prettyPre = document.getElementById("pretty");
var debugPre = document.getElementById("debug");
function refresh() {
if (timer)
clearTimeout(timer);
const start = {line: 0, ch: 0};
const end = {line: cm.lineCount() - 1};
// Setup.
const indentString = " ";
var originalLineEndings = [];
var formattedLineEndings = [];
var mapping = {original: [0], formatted: [0]};
var builder = new FormatterContentBuilder(mapping, originalLineEndings, formattedLineEndings, 0, 0, indentString);
var formatter = new Formatter(cm, builder);
// Time the formatter.
var startTime = Date.now();
formatter.format(start, end);
var endTime = Date.now();
// Gather debug information.
var debug = formatter.debug(start, end);
// Output the results.
timeOutput.innerText = (endTime - startTime) + "ms";
prettyPre.innerText = builder.formattedContent;
debugPre.innerText = debug;
}
setTimeout(refresh);
// Tests.
function runTests() {
disableButtons();
function completedCallback() {
enableButtons();
}
if (modePicker.value === "text/javascript")
runJavaScriptTests(completedCallback);
else
runCSSTests(completedCallback);
}
function runJavaScriptTests(callback) {
_runTests(callback, [
"js-tests/block-comment.js",
"js-tests/single-statement-blocks.js",
"js-tests/switch-case-default.js",
]);
}
function runCSSTests(callback) {
_runTests(callback, []);
}
function _runTests(callback, manifest) {
var index = -1;
var results = [];
setTimeout(runNextTest, 0);
function runNextTest() {
// Next test.
index++;
// Done.
if (index >= manifest.length) {
if (!index)
results.push("/* No tests for mode: " + modePicker.value);
printResults();
return;
}
// Load test and expected results.
var test = manifest[index];
var expected = test.replace(/\.js$/, "-expected.js");
var xhr1 = new XMLHttpRequest;
xhr1.open("GET", test, false);
xhr1.send();
var testData = xhr1.responseText;
var xhr2 = new XMLHttpRequest;
xhr2.open("GET", expected, false);
xhr2.send();
var expectedData = xhr2.responseText;
// Run the test.
var editor = CodeMirror(document.createElement("div"));
editor.setOption("mode", modePicker.value);
editor.setValue(testData);
const start = {line: 0, ch: 0};
const end = {line: editor.lineCount() - 1};
const indentString = " ";
var originalLineEndings = [];
var formattedLineEndings = [];
var mapping = {original: [0], formatted: [0]};
var builder = new FormatterContentBuilder(mapping, originalLineEndings, formattedLineEndings, 0, 0, indentString);
var formatter = new Formatter(editor, builder);
formatter.format(start, end);
// Compare results.
var pass = builder.formattedContent === expectedData;
results.push("/* " + (pass ? "PASS" : "FAIL") + ": " + test + " */");
runNextTest();
}
function printResults() {
cm.setValue(results.join("\n"));
cm.refresh();
callback();
}
}
</script>
</body>
</html>
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