@dcloudio/uni-debugger
Version:
uni-app debugger
375 lines (349 loc) • 11.1 kB
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.
*/
TextUtils.TextUtils = {
/**
* @param {string} char
* @return {boolean}
*/
isStopChar: function(char) {
return (char > ' ' && char < '0') || (char > '9' && char < 'A') || (char > 'Z' && char < '_') ||
(char > '_' && char < 'a') || (char > 'z' && char <= '~');
},
/**
* @param {string} char
* @return {boolean}
*/
isWordChar: function(char) {
return !TextUtils.TextUtils.isStopChar(char) && !TextUtils.TextUtils.isSpaceChar(char);
},
/**
* @param {string} char
* @return {boolean}
*/
isSpaceChar: function(char) {
return TextUtils.TextUtils._SpaceCharRegex.test(char);
},
/**
* @param {string} word
* @return {boolean}
*/
isWord: function(word) {
for (let i = 0; i < word.length; ++i) {
if (!TextUtils.TextUtils.isWordChar(word.charAt(i)))
return false;
}
return true;
},
/**
* @param {string} char
* @return {boolean}
*/
isOpeningBraceChar: function(char) {
return char === '(' || char === '{';
},
/**
* @param {string} char
* @return {boolean}
*/
isClosingBraceChar: function(char) {
return char === ')' || char === '}';
},
/**
* @param {string} char
* @return {boolean}
*/
isBraceChar: function(char) {
return TextUtils.TextUtils.isOpeningBraceChar(char) || TextUtils.TextUtils.isClosingBraceChar(char);
},
/**
* @param {string} text
* @param {function(string):boolean} isWordChar
* @param {function(string)} wordCallback
*/
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));
},
/**
* @param {string} line
* @return {string}
*/
lineIndent: function(line) {
let indentation = 0;
while (indentation < line.length && TextUtils.TextUtils.isSpaceChar(line.charAt(indentation)))
++indentation;
return line.substr(0, indentation);
},
/**
* @param {string} text
* @return {boolean}
*/
isUpperCase: function(text) {
return text === text.toUpperCase();
},
/**
* @param {string} text
* @return {boolean}
*/
isLowerCase: function(text) {
return text === text.toLowerCase();
},
/**
* @param {string} text
* @param {!Array<!RegExp>} regexes
* @return {!Array<{value: string, position: number, regexIndex: number, captureGroups: !Array<string|undefined>}>}
*/
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;
/**
* @param {string} text
* @param {number} regexIndex
* @param {number} startIndex
*/
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);
}
}
};
TextUtils.FilterParser = class {
/**
* @param {!Array<string>} keys
*/
constructor(keys) {
this._keys = keys;
}
/**
* @param {!TextUtils.FilterParser.ParsedFilter} filter
* @return {!TextUtils.FilterParser.ParsedFilter}
*/
static cloneFilter(filter) {
return {key: filter.key, text: filter.text, regex: filter.regex, negative: filter.negative};
}
/**
* @param {string} query
* @return {!Array<!TextUtils.FilterParser.ParsedFilter>}
*/
parse(query) {
const splitResult = TextUtils.TextUtils.splitStringByRegexes(query, [
TextUtils.TextUtils._keyValueFilterRegex, TextUtils.TextUtils._regexFilterRegex,
TextUtils.TextUtils._textFilterRegex
]);
const filters = [];
for (let i = 0; i < splitResult.length; i++) {
const regexIndex = splitResult[i].regexIndex;
if (regexIndex === -1)
continue;
const result = splitResult[i].captureGroups;
if (regexIndex === 0) {
if (this._keys.indexOf(/** @type {string} */ (result[1])) !== -1)
filters.push({key: result[1], text: result[2], negative: !!result[0]});
else
filters.push({text: result[1] + ':' + result[2], negative: !!result[0]});
} else if (regexIndex === 1) {
try {
filters.push({regex: new RegExp(result[1], 'i'), negative: !!result[0]});
} catch (e) {
filters.push({text: '/' + result[1] + '/', negative: !!result[0]});
}
} else if (regexIndex === 2) {
filters.push({text: result[1], negative: !!result[0]});
}
}
return filters;
}
};
/** @typedef {{key:(string|undefined), text:(?string|undefined), regex:(!RegExp|undefined), negative:boolean}} */
TextUtils.FilterParser.ParsedFilter;
TextUtils.TextUtils._keyValueFilterRegex = /(?:^|\s)(\-)?([\w\-]+):([^\s]+)/;
TextUtils.TextUtils._regexFilterRegex = /(?:^|\s)(\-)?\/([^\s]+)\//;
TextUtils.TextUtils._textFilterRegex = /(?:^|\s)(\-)?([^\s]+)/;
TextUtils.TextUtils._SpaceCharRegex = /\s/;
/**
* @enum {string}
*/
TextUtils.TextUtils.Indent = {
TwoSpaces: ' ',
FourSpaces: ' ',
EightSpaces: ' ',
TabCharacter: '\t'
};
/**
* @unrestricted
*/
TextUtils.TextUtils.BalancedJSONTokenizer = class {
/**
* @param {function(string)} callback
* @param {boolean=} findMultiple
*/
constructor(callback, findMultiple) {
this._callback = callback;
this._index = 0;
this._balance = 0;
this._buffer = '';
this._findMultiple = findMultiple || false;
this._closingDoubleQuoteRegex = /[^\\](?:\\\\)*"/g;
}
/**
* @param {string} chunk
* @return {boolean}
*/
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;
}
/**
* @return {string}
*/
remainder() {
return this._buffer;
}
};
/**
* @interface
*/
TextUtils.TokenizerFactory = function() {};
TextUtils.TokenizerFactory.prototype = {
/**
* @param {string} mimeType
* @return {function(string, function(string, ?string, number, number))}
*/
createTokenizer(mimeType) {}
};
/**
* @param {string} text
* @return {boolean}
*/
TextUtils.isMinified = function(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;
};