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Unified Diff: mojo/public/js/test/validation_test_input_parser.js

Issue 814543006: Move //mojo/{public, edk} underneath //third_party (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@master
Patch Set: Rebase Created 5 years, 11 months ago
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Index: mojo/public/js/test/validation_test_input_parser.js
diff --git a/mojo/public/js/test/validation_test_input_parser.js b/mojo/public/js/test/validation_test_input_parser.js
deleted file mode 100644
index f5a57f917226881a6ec5f1b474114ba8b6f436ed..0000000000000000000000000000000000000000
--- a/mojo/public/js/test/validation_test_input_parser.js
+++ /dev/null
@@ -1,299 +0,0 @@
-// Copyright 2014 The Chromium Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-// Support for parsing binary sequences encoded as readable strings
-// or ".data" files. The input format is described here:
-// mojo/public/cpp/bindings/tests/validation_test_input_parser.h
-
-define([
- "mojo/public/js/buffer"
- ], function(buffer) {
-
- // Files and Lines represent the raw text from an input string
- // or ".data" file.
-
- function InputError(message, line) {
- this.message = message;
- this.line = line;
- }
-
- InputError.prototype.toString = function() {
- var s = 'Error: ' + this.message;
- if (this.line)
- s += ', at line ' +
- (this.line.number + 1) + ': "' + this.line.contents + '"';
- return s;
- }
-
- function File(contents) {
- this.contents = contents;
- this.index = 0;
- this.lineNumber = 0;
- }
-
- File.prototype.endReached = function() {
- return this.index >= this.contents.length;
- }
-
- File.prototype.nextLine = function() {
- if (this.endReached())
- return null;
- var start = this.index;
- var end = this.contents.indexOf('\n', start);
- if (end == -1)
- end = this.contents.length;
- this.index = end + 1;
- return new Line(this.contents.substring(start, end), this.lineNumber++);
- }
-
- function Line(contents, number) {
- var i = contents.indexOf('//');
- var s = (i == -1) ? contents.trim() : contents.substring(0, i).trim();
- this.contents = contents;
- this.items = (s.length > 0) ? s.split(/\s+/) : [];
- this.index = 0;
- this.number = number;
- }
-
- Line.prototype.endReached = function() {
- return this.index >= this.items.length;
- }
-
- var ITEM_TYPE_SIZES = {
- u1: 1, u2: 2, u4: 4, u8: 8, s1: 1, s2: 2, s4: 4, s8: 8, b: 1, f: 4, d: 8,
- dist4: 4, dist8: 8, anchr: 0, handles: 0
- };
-
- function isValidItemType(type) {
- return ITEM_TYPE_SIZES[type] !== undefined;
- }
-
- Line.prototype.nextItem = function() {
- if (this.endReached())
- return null;
-
- var itemString = this.items[this.index++];
- var type = 'u1';
- var value = itemString;
-
- if (itemString.charAt(0) == '[') {
- var i = itemString.indexOf(']');
- if (i != -1 && i + 1 < itemString.length) {
- type = itemString.substring(1, i);
- value = itemString.substring(i + 1);
- } else {
- throw new InputError('invalid item', this);
- }
- }
- if (!isValidItemType(type))
- throw new InputError('invalid item type', this);
-
- return new Item(this, type, value);
- }
-
- // The text for each whitespace delimited binary data "item" is represented
- // by an Item.
-
- function Item(line, type, value) {
- this.line = line;
- this.type = type;
- this.value = value;
- this.size = ITEM_TYPE_SIZES[type];
- }
-
- Item.prototype.isFloat = function() {
- return this.type == 'f' || this.type == 'd';
- }
-
- Item.prototype.isInteger = function() {
- return ['u1', 'u2', 'u4', 'u8',
- 's1', 's2', 's4', 's8'].indexOf(this.type) != -1;
- }
-
- Item.prototype.isNumber = function() {
- return this.isFloat() || this.isInteger();
- }
-
- Item.prototype.isByte = function() {
- return this.type == 'b';
- }
-
- Item.prototype.isDistance = function() {
- return this.type == 'dist4' || this.type == 'dist8';
- }
-
- Item.prototype.isAnchor = function() {
- return this.type == 'anchr';
- }
-
- Item.prototype.isHandles = function() {
- return this.type == 'handles';
- }
-
- // A TestMessage represents the complete binary message loaded from an input
- // string or ".data" file. The parseTestMessage() function below constructs
- // a TestMessage from a File.
-
- function TestMessage(byteLength) {
- this.index = 0;
- this.buffer = new buffer.Buffer(byteLength);
- this.distances = {};
- this.handleCount = 0;
- }
-
- function checkItemNumberValue(item, n, min, max) {
- if (n < min || n > max)
- throw new InputError('invalid item value', item.line);
- }
-
- TestMessage.prototype.addNumber = function(item) {
- var n = item.isInteger() ? parseInt(item.value) : parseFloat(item.value);
- if (Number.isNaN(n))
- throw new InputError("can't parse item value", item.line);
-
- switch(item.type) {
- case 'u1':
- checkItemNumberValue(item, n, 0, 0xFF);
- this.buffer.setUint8(this.index, n);
- break;
- case 'u2':
- checkItemNumberValue(item, n, 0, 0xFFFF);
- this.buffer.setUint16(this.index, n);
- break;
- case 'u4':
- checkItemNumberValue(item, n, 0, 0xFFFFFFFF);
- this.buffer.setUint32(this.index, n);
- break;
- case 'u8':
- checkItemNumberValue(item, n, 0, Number.MAX_SAFE_INTEGER);
- this.buffer.setUint64(this.index, n);
- break;
- case 's1':
- checkItemNumberValue(item, n, -128, 127);
- this.buffer.setInt8(this.index, n);
- break;
- case 's2':
- checkItemNumberValue(item, n, -32768, 32767);
- this.buffer.setInt16(this.index, n);
- break;
- case 's4':
- checkItemNumberValue(item, n, -2147483648, 2147483647);
- this.buffer.setInt32(this.index, n);
- break;
- case 's8':
- checkItemNumberValue(item, n,
- Number.MIN_SAFE_INTEGER,
- Number.MAX_SAFE_INTEGER);
- this.buffer.setInt64(this.index, n);
- break;
- case 'f':
- this.buffer.setFloat32(this.index, n);
- break;
- case 'd':
- this.buffer.setFloat64(this.index, n);
- break;
-
- default:
- throw new InputError('unrecognized item type', item.line);
- }
- }
-
- TestMessage.prototype.addByte = function(item) {
- if (!/^[01]{8}$/.test(item.value))
- throw new InputError('invalid byte item value', item.line);
- function b(i) {
- return (item.value.charAt(7 - i) == '1') ? 1 << i : 0;
- }
- var n = b(0) | b(1) | b(2) | b(3) | b(4) | b(5) | b(6) | b(7);
- this.buffer.setUint8(this.index, n);
- }
-
- TestMessage.prototype.addDistance = function(item) {
- if (this.distances[item.value])
- throw new InputError('duplicate distance item', item.line);
- this.distances[item.value] = {index: this.index, item: item};
- }
-
- TestMessage.prototype.addAnchor = function(item) {
- var dist = this.distances[item.value];
- if (!dist)
- throw new InputError('unmatched anchor item', item.line);
- delete this.distances[item.value];
-
- var n = this.index - dist.index;
- // TODO(hansmuller): validate n
-
- if (dist.item.type == 'dist4')
- this.buffer.setUint32(dist.index, n);
- else if (dist.item.type == 'dist8')
- this.buffer.setUint64(dist.index, n);
- else
- throw new InputError('unrecognzed distance item type', dist.item.line);
- }
-
- TestMessage.prototype.addHandles = function(item) {
- this.handleCount = parseInt(item.value);
- if (Number.isNaN(this.handleCount))
- throw new InputError("can't parse handleCount", item.line);
- }
-
- TestMessage.prototype.addItem = function(item) {
- if (item.isNumber())
- this.addNumber(item);
- else if (item.isByte())
- this.addByte(item);
- else if (item.isDistance())
- this.addDistance(item);
- else if (item.isAnchor())
- this.addAnchor(item);
- else if (item.isHandles())
- this.addHandles(item);
- else
- throw new InputError('unrecognized item type', item.line);
-
- this.index += item.size;
- }
-
- TestMessage.prototype.unanchoredDistances = function() {
- var names = null;
- for (var name in this.distances) {
- if (this.distances.hasOwnProperty(name))
- names = (names === null) ? name : names + ' ' + name;
- }
- return names;
- }
-
- function parseTestMessage(text) {
- var file = new File(text);
- var items = [];
- var messageLength = 0;
- while(!file.endReached()) {
- var line = file.nextLine();
- while (!line.endReached()) {
- var item = line.nextItem();
- if (item.isHandles() && items.length > 0)
- throw new InputError('handles item is not first');
- messageLength += item.size;
- items.push(item);
- }
- }
-
- var msg = new TestMessage(messageLength);
- for (var i = 0; i < items.length; i++)
- msg.addItem(items[i]);
-
- if (messageLength != msg.index)
- throw new InputError('failed to compute message length');
- var names = msg.unanchoredDistances();
- if (names)
- throw new InputError('no anchors for ' + names, 0);
-
- return msg;
- }
-
- var exports = {};
- exports.parseTestMessage = parseTestMessage;
- exports.InputError = InputError;
- return exports;
-});
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