debug-server-next
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Dev server for hippy-core.
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JavaScript
/*
* Copyright (C) 2013 Google Inc. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
* met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above
* copyright notice, this list of conditions and the following disclaimer
* in the documentation and/or other materials provided with the
* distribution.
* * Neither the name of Google Inc. nor the names of its
* contributors may be used to endorse or promote products derived from
* this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
/* eslint-disable rulesdir/no_underscored_properties */
import * as Platform from '../../core/platform/platform.js';
import { SearchMatch } from './ContentProvider.js';
import { Text } from './Text.js';
export const Utils = {
// TODO(crbug.com/1172300) Ignored during the jsdoc to ts migration
// eslint-disable-next-line @typescript-eslint/naming-convention
get _keyValueFilterRegex() {
return /(?:^|\s)(\-)?([\w\-]+):([^\s]+)/;
},
// TODO(crbug.com/1172300) Ignored during the jsdoc to ts migration
// eslint-disable-next-line @typescript-eslint/naming-convention
get _regexFilterRegex() {
return /(?:^|\s)(\-)?\/([^\s]+)\//;
},
// TODO(crbug.com/1172300) Ignored during the jsdoc to ts migration
// eslint-disable-next-line @typescript-eslint/naming-convention
get _textFilterRegex() {
return /(?:^|\s)(\-)?([^\s]+)/;
},
// TODO(crbug.com/1172300) Ignored during the jsdoc to ts migration
// eslint-disable-next-line @typescript-eslint/naming-convention
get _SpaceCharRegex() {
return /\s/;
},
/**
* @enum {string}
*/
// TODO(crbug.com/1172300) Ignored during the jsdoc to ts migration
// eslint-disable-next-line @typescript-eslint/naming-convention
get Indent() {
return { TwoSpaces: ' ', FourSpaces: ' ', EightSpaces: ' ', TabCharacter: '\t' };
},
isStopChar: function (char) {
return (char > ' ' && char < '0') || (char > '9' && char < 'A') || (char > 'Z' && char < '_') ||
(char > '_' && char < 'a') || (char > 'z' && char <= '~');
},
isWordChar: function (char) {
return !Utils.isStopChar(char) && !Utils.isSpaceChar(char);
},
isSpaceChar: function (char) {
return Utils._SpaceCharRegex.test(char);
},
isWord: function (word) {
for (let i = 0; i < word.length; ++i) {
if (!Utils.isWordChar(word.charAt(i))) {
return false;
}
}
return true;
},
isOpeningBraceChar: function (char) {
return char === '(' || char === '{';
},
isClosingBraceChar: function (char) {
return char === ')' || char === '}';
},
isBraceChar: function (char) {
return Utils.isOpeningBraceChar(char) || Utils.isClosingBraceChar(char);
},
textToWords: function (text, isWordChar, wordCallback) {
let startWord = -1;
for (let i = 0; i < text.length; ++i) {
if (!isWordChar(text.charAt(i))) {
if (startWord !== -1) {
wordCallback(text.substring(startWord, i));
}
startWord = -1;
}
else if (startWord === -1) {
startWord = i;
}
}
if (startWord !== -1) {
wordCallback(text.substring(startWord));
}
},
lineIndent: function (line) {
let indentation = 0;
while (indentation < line.length && Utils.isSpaceChar(line.charAt(indentation))) {
++indentation;
}
return line.substr(0, indentation);
},
isUpperCase: function (text) {
return text === text.toUpperCase();
},
isLowerCase: function (text) {
return text === text.toLowerCase();
},
splitStringByRegexes(text, regexes) {
const matches = [];
const globalRegexes = [];
for (let i = 0; i < regexes.length; i++) {
const regex = regexes[i];
if (!regex.global) {
globalRegexes.push(new RegExp(regex.source, regex.flags ? regex.flags + 'g' : 'g'));
}
else {
globalRegexes.push(regex);
}
}
doSplit(text, 0, 0);
return matches;
function doSplit(text, regexIndex, startIndex) {
if (regexIndex >= globalRegexes.length) {
// Set regexIndex as -1 if text did not match with any regular expression
matches.push({ value: text, position: startIndex, regexIndex: -1, captureGroups: [] });
return;
}
const regex = globalRegexes[regexIndex];
let currentIndex = 0;
let result;
regex.lastIndex = 0;
while ((result = regex.exec(text)) !== null) {
const stringBeforeMatch = text.substring(currentIndex, result.index);
if (stringBeforeMatch) {
doSplit(stringBeforeMatch, regexIndex + 1, startIndex + currentIndex);
}
const match = result[0];
matches.push({
value: match,
position: startIndex + result.index,
regexIndex: regexIndex,
captureGroups: result.slice(1),
});
currentIndex = result.index + match.length;
}
const stringAfterMatches = text.substring(currentIndex);
if (stringAfterMatches) {
doSplit(stringAfterMatches, regexIndex + 1, startIndex + currentIndex);
}
}
},
};
export class FilterParser {
_keys;
constructor(keys) {
this._keys = keys;
}
static cloneFilter(filter) {
return { key: filter.key, text: filter.text, regex: filter.regex, negative: filter.negative };
}
parse(query) {
const splitFilters = Utils.splitStringByRegexes(query, [Utils._keyValueFilterRegex, Utils._regexFilterRegex, Utils._textFilterRegex]);
const parsedFilters = [];
for (const { regexIndex, captureGroups } of splitFilters) {
if (regexIndex === -1) {
continue;
}
if (regexIndex === 0) {
const startsWithMinus = captureGroups[0];
const parsedKey = captureGroups[1];
const parsedValue = captureGroups[2];
if (this._keys.indexOf(parsedKey) !== -1) {
parsedFilters.push({
key: parsedKey,
regex: undefined,
text: parsedValue,
negative: Boolean(startsWithMinus),
});
}
else {
parsedFilters.push({
key: undefined,
regex: undefined,
text: `${parsedKey}:${parsedValue}`,
negative: Boolean(startsWithMinus),
});
}
}
else if (regexIndex === 1) {
const startsWithMinus = captureGroups[0];
const parsedRegex = captureGroups[1];
try {
parsedFilters.push({
key: undefined,
regex: new RegExp(parsedRegex, 'i'),
text: undefined,
negative: Boolean(startsWithMinus),
});
}
catch (e) {
parsedFilters.push({
key: undefined,
regex: undefined,
text: `/${parsedRegex}/`,
negative: Boolean(startsWithMinus),
});
}
}
else if (regexIndex === 2) {
const startsWithMinus = captureGroups[0];
const parsedText = captureGroups[1];
parsedFilters.push({
key: undefined,
regex: undefined,
text: parsedText,
negative: Boolean(startsWithMinus),
});
}
}
return parsedFilters;
}
}
export class BalancedJSONTokenizer {
_callback;
_index;
_balance;
_buffer;
_findMultiple;
_closingDoubleQuoteRegex;
_lastBalancedIndex;
constructor(callback, findMultiple) {
this._callback = callback;
this._index = 0;
this._balance = 0;
this._buffer = '';
this._findMultiple = findMultiple || false;
this._closingDoubleQuoteRegex = /[^\\](?:\\\\)*"/g;
}
write(chunk) {
this._buffer += chunk;
const lastIndex = this._buffer.length;
const buffer = this._buffer;
let index;
for (index = this._index; index < lastIndex; ++index) {
const character = buffer[index];
if (character === '"') {
this._closingDoubleQuoteRegex.lastIndex = index;
if (!this._closingDoubleQuoteRegex.test(buffer)) {
break;
}
index = this._closingDoubleQuoteRegex.lastIndex - 1;
}
else if (character === '{') {
++this._balance;
}
else if (character === '}') {
--this._balance;
if (this._balance < 0) {
this._reportBalanced();
return false;
}
if (!this._balance) {
this._lastBalancedIndex = index + 1;
if (!this._findMultiple) {
break;
}
}
}
else if (character === ']' && !this._balance) {
this._reportBalanced();
return false;
}
}
this._index = index;
this._reportBalanced();
return true;
}
_reportBalanced() {
if (!this._lastBalancedIndex) {
return;
}
this._callback(this._buffer.slice(0, this._lastBalancedIndex));
this._buffer = this._buffer.slice(this._lastBalancedIndex);
this._index -= this._lastBalancedIndex;
this._lastBalancedIndex = 0;
}
remainder() {
return this._buffer;
}
}
export function isMinified(text) {
const kMaxNonMinifiedLength = 500;
let linesToCheck = 10;
let lastPosition = 0;
do {
let eolIndex = text.indexOf('\n', lastPosition);
if (eolIndex < 0) {
eolIndex = text.length;
}
if (eolIndex - lastPosition > kMaxNonMinifiedLength && text.substr(lastPosition, 3) !== '//#') {
return true;
}
lastPosition = eolIndex + 1;
} while (--linesToCheck >= 0 && lastPosition < text.length);
// Check the end of the text as well
linesToCheck = 10;
lastPosition = text.length;
do {
let eolIndex = text.lastIndexOf('\n', lastPosition);
if (eolIndex < 0) {
eolIndex = 0;
}
if (lastPosition - eolIndex > kMaxNonMinifiedLength && text.substr(lastPosition, 3) !== '//#') {
return true;
}
lastPosition = eolIndex - 1;
} while (--linesToCheck >= 0 && lastPosition > 0);
return false;
}
export const performSearchInContent = function (content, query, caseSensitive, isRegex) {
const regex = Platform.StringUtilities.createSearchRegex(query, caseSensitive, isRegex);
const text = new Text(content);
const result = [];
for (let i = 0; i < text.lineCount(); ++i) {
const lineContent = text.lineAt(i);
regex.lastIndex = 0;
const match = regex.exec(lineContent);
if (match) {
result.push(new SearchMatch(i, lineContent, match.index));
}
}
return result;
};