1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
|
<!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>
<!-- 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>
<button id="save-as-url">Save URL</button>
<button id="save-local-storage">Save to Storage</button>
<button id="clear-local-storage">Clear Storage</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 values from URL.
var queryParams = {};
if (window.location.search.length > 0) {
var searchString = window.location.search.substring(1);
var groups = searchString.split("&");
for (var i = 0; i < groups.length; ++i) {
var pair = groups[i].split("=");
queryParams[decodeURIComponent(pair[0])] = decodeURIComponent(pair[1]);
}
}
// Initial mode and string.
var mode = "text/javascript";
var content = "(function() { var a=1; return a+1; })();";
var updatePicker = false;
if (queryParams.content || queryParams.mode) {
content = queryParams.content || "";
mode = queryParams.mode || "text/javascript";
updatePicker = true;
} else if (localStorage.content || localStorage.mode) {
content = localStorage.content || "";
mode = localStorage.mode || "text/javascript";
updatePicker = true;
}
// Initial mode picker value.
var modePicker = document.getElementById("mode");
if (updatePicker) {
for (var i = 0; i < modePicker.options.length; ++i) {
if (modePicker.options[i].value === mode) {
modePicker.options[i].selected = true;
break;
}
}
}
// Set on CodeMirror.
cm.setValue(content);
cm.setOption("mode", mode);
// Changing the 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();
});
// Save as URL button.
document.getElementById("save-as-url").addEventListener("click", function(event) {
var mode = modePicker.value;
var content = cm.getValue();
window.location.search = "?mode=" + window.encodeURIComponent(mode) + "&content=" + window.encodeURIComponent(content);
});
// Save to localStorage.
document.getElementById("save-local-storage").addEventListener("click", function(event) {
localStorage.mode = modePicker.value;
localStorage.content = cm.getValue();
});
// Clear localStorage.
document.getElementById("clear-local-storage").addEventListener("click", function(event) {
localStorage.removeItem("mode");
localStorage.removeItem("content");
});
// 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>
|
