/**
* SyntaxHighlighter
* http://alexgorbatchev.com/
*
* SyntaxHighlighter is donationware. If you are using it, please donate.
* http://alexgorbatchev.com/wiki/SyntaxHighlighter:Donate
*
* @version
* 2.0.296 (March 01 2009)
*
* @copyright
* Copyright (C) 2004-2009 Alex Gorbatchev.
*
* @license
* This file is part of SyntaxHighlighter.
*
* SyntaxHighlighter is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* SyntaxHighlighter is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with SyntaxHighlighter. If not, see
clipboardSwf is configured.
*/
copyToClipboard : function(highlighter)
{
var flashDiv, flashSwf,
highlighterId = highlighter.id
;
this.create = function()
{
var config = sh.config;
// disable functionality if running locally
if (config.clipboardSwf == null)
return null;
function params(list)
{
var result = '';
for (var name in list)
result += "";
return result;
};
function attributes(list)
{
var result = '';
for (var name in list)
result += " " + name + "='" + list[name] + "'";
return result;
};
var args1 = {
width : config.toolbarItemWidth,
height : config.toolbarItemHeight,
id : highlighterId + '_clipboard',
type : 'application/x-shockwave-flash',
title : sh.config.strings.copyToClipboard
},
// these arguments are used in IE's collection
args2 = {
allowScriptAccess : 'always',
wmode : 'transparent',
flashVars : 'highlighterId=' + highlighterId,
menu : 'false'
},
swf = config.clipboardSwf,
html
;
if (/msie/i.test(navigator.userAgent))
{
html = ''
;
}
else
{
html = ''
;
}
flashDiv = document.createElement('div');
flashDiv.innerHTML = html;
return flashDiv;
};
this.execute = function(sender, event, args)
{
var command = args.command;
switch (command)
{
case 'get':
var code = sh.utils.unindent(
sh.utils.fixForBlogger(highlighter.originalCode)
.replace(/</g, '<')
.replace(/>/g, '>')
.replace(/&/g, '&')
);
if(window.clipboardData)
// will fall through to the confirmation because there isn't a break
window.clipboardData.setData('text', code);
else
return sh.utils.unindent(code);
case 'ok':
sh.utils.alert(sh.config.strings.copyToClipboardConfirmation);
break;
case 'error':
sh.utils.alert(args.message);
break;
}
};
},
/** Command to print the colored source code. */
printSource : function(highlighter)
{
this.create = function()
{
return sh.config.strings.print;
};
this.execute = function(sender, event, args)
{
var iframe = document.createElement('IFRAME'),
doc = null
;
// make sure there is never more than one hidden iframe created by SH
if (sh.vars.printFrame != null)
document.body.removeChild(sh.vars.printFrame);
sh.vars.printFrame = iframe;
// this hides the iframe
iframe.style.cssText = 'position:absolute;width:0px;height:0px;left:-500px;top:-500px;';
document.body.appendChild(iframe);
doc = iframe.contentWindow.document;
copyStyles(doc, window.document);
doc.write(' tag with given style applied to it.
*
* @param {String} str Input string.
* @param {String} css Style name to apply to the string.
* @return {String} Returns input string with each line surrounded by tag.
*/
decorate: function(str, css)
{
if (str == null || str.length == 0 || str == '\n')
return str;
str = str.replace(/... to them so that
// leading spaces aren't included.
if (css != null)
str = sh.utils.eachLine(str, function(line)
{
if (line.length == 0)
return '';
var spaces = '';
line = line.replace(/^( | )+/, function(s)
{
spaces = s;
return '';
});
if (line.length == 0)
return spaces;
return spaces + '' + line + '';
});
return str;
},
/**
* Pads number with zeros until it's length is the same as given length.
*
* @param {Number} number Number to pad.
* @param {Number} length Max string length with.
* @return {String} Returns a string padded with proper amount of '0'.
*/
padNumber : function(number, length)
{
var result = number.toString();
while (result.length < length)
result = '0' + result;
return result;
},
/**
* Measures width of a single space character.
* @return {Number} Returns width of a single space character.
*/
measureSpace : function()
{
var container = document.createElement('div'),
span,
result = 0,
body = document.body,
id = sh.utils.guid('measureSpace'),
// variable names will be compressed, so it's better than a plain string
divOpen = 'regexList collection.
* @return {Array} Returns a list of Match objects.
*/
getMatches: function(code, regexInfo)
{
function defaultAdd(match, regexInfo)
{
return [new sh.Match(match[0], match.index, regexInfo.css)];
};
var index = 0,
match = null,
result = [],
func = regexInfo.func ? regexInfo.func : defaultAdd
;
while((match = regexInfo.regex.exec(code)) != null)
result = result.concat(func(match, regexInfo));
return result;
},
processUrls: function(code)
{
return code.replace(sh.regexLib.url, function(m)
{
return '' + m + '';
});
}
}, // end of utils
/**
* Shorthand to highlight all elements on the page that are marked as
* SyntaxHighlighter source code.
*
* @param {Object} globalParams Optional parameters which override element's
* parameters. Only used if element is specified.
*
* @param {Object} element Optional element to highlight. If none is
* provided, all elements in the current document
* are highlighted.
*/
highlight : function(globalParams, element)
{
function toArray(source)
{
var result = [];
for (var i = 0; i < source.length; i++)
result.push(source[i]);
return result;
};
var elements = element ? [element] : toArray(document.getElementsByTagName(sh.config.tagName)),
propertyName = 'innerHTML',
highlighter = null
;
if (elements.length === 0)
return;
for (var i = 0; i < elements.length; i++)
{
var target = elements[i],
params = sh.utils.parseParams(target.className),
brushName
;
// local params take precedence over globals
params = sh.utils.merge(globalParams, params);
brushName = params['brush'];
if (brushName == null)
continue;
// Instantiate a brush
if (params['html-script'] == 'true')
{
highlighter = new sh.HtmlScript(brushName);
}
else
{
var brush = sh.utils.findBrush(brushName);
if (brush)
highlighter = new brush();
else
continue;
}
highlighter.highlight(target[propertyName], params);
var result = highlighter.div;
if (sh.config.debug)
{
result = document.createElement('textarea');
result.value = highlighter.div.innerHTML;
result.style.width = '70em';
result.style.height = '30em';
}
target.parentNode.replaceChild(result, target);
}
},
/**
* Main entry point for the SyntaxHighlighter.
* @param {Object} params Optional params to apply to all highlighted elements.
*/
all : function(params)
{
sh.utils.addEvent(
window,
'load',
function() { sh.highlight(params); }
);
}
}; // end of sh
/** Match object */
sh.Match = function(value, index, css)
{
this.value = value;
this.index = index;
this.length = value.length;
this.css = css;
};
sh.Match.prototype.toString = function()
{
return this.value;
};
/**
* Simulates HTML code with a scripting language embedded.
*
* @param {String} scriptBrushName Brush name of the scripting language.
*/
sh.HtmlScript = function(scriptBrushName)
{
var scriptBrush = sh.utils.findBrush(scriptBrushName),
xmlBrush = new sh.brushes.Xml(),
bracketsRegex = null
;
if (scriptBrush == null)
return;
scriptBrush = new scriptBrush();
this.xmlBrush = xmlBrush;
if (scriptBrush.htmlScript == null)
{
sh.utils.alert(sh.config.strings.brushNotHtmlScript + scriptBrushName);
return;
}
xmlBrush.regexList.push(
{ regex: scriptBrush.htmlScript.code, func: process }
);
function offsetMatches(matches, offset)
{
for (var j = 0; j < matches.length; j++)
matches[j].index += offset;
}
function process(match, info)
{
var code = match.code,
matches = [],
regexList = scriptBrush.regexList,
offset = match.index + match.left.length,
htmlScript = scriptBrush.htmlScript,
result
;
for (var i = 0; i < regexList.length; i++)
{
result = sh.utils.getMatches(code, regexList[i]);
offsetMatches(result, offset);
matches = matches.concat(result);
}
if (htmlScript.left != null && match.left != null)
{
result = sh.utils.getMatches(match.left, htmlScript.left);
offsetMatches(result, match.index);
matches = matches.concat(result);
}
if (htmlScript.right != null && match.right != null)
{
result = sh.utils.getMatches(match.right, htmlScript.right);
offsetMatches(result, match.index + match[0].lastIndexOf(match.right));
matches = matches.concat(result);
}
return matches;
}
};
sh.HtmlScript.prototype.highlight = function(code, params)
{
this.xmlBrush.highlight(code, params);
this.div = this.xmlBrush.div;
}
/**
* Main Highlither class.
* @constructor
*/
sh.Highlighter = function()
{
};
sh.Highlighter.prototype = {
/**
* Returns value of the parameter passed to the highlighter.
* @param {String} name Name of the parameter.
* @param {Object} defaultValue Default value.
* @return {Object} Returns found value or default value otherwise.
*/
getParam : function(name, defaultValue)
{
var result = this.params[name];
return sh.utils.toBoolean(result == null ? defaultValue : result);
},
/**
* Shortcut to document.createElement().
* @param {String} name Name of the element to create (DIV, A, etc).
* @return {HTMLElement} Returns new HTML element.
*/
create: function(name)
{
return document.createElement(name);
},
/**
* Checks if one match is inside another.
* @param {Match} match Match object to check.
* @return {Boolean} Returns true if given match was inside another, false otherwise.
*/
isMatchNested: function(match)
{
for (var i = 0; i < this.matches.length; i++)
{
var item = this.matches[i];
if (item === null)
continue;
if ((match.index > item.index) && (match.index < item.index + item.length))
return true;
}
return false;
},
/**
* Applies all regular expression to the code and stores all found
* matches in the `this.matches` array.
* @param {Array} regexList List of regular expressions.
* @param {String} code Source code.
* @return {Array} Returns list of matches.
*/
findMatches: function(regexList, code)
{
var result = [];
if (regexList != null)
for (var i = 0; i < regexList.length; i++)
result = result.concat(sh.utils.getMatches(code, regexList[i]));
// sort the matches
result = result.sort(sh.utils.matchesSortCallback);
return result;
},
/**
* Checks to see if any of the matches are inside of other matches.
* This process would get rid of highligted strings inside comments,
* keywords inside strings and so on.
*/
removeNestedMatches: function()
{
for (var i = 0; i < this.matches.length; i++)
if (this.isMatchNested(this.matches[i]))
this.matches[i] = null;
},
/**
* Splits block of text into individual DIV lines.
* @param {String} code Code to highlight.
* @return {String} Returns highlighted code in HTML form.
*/
createDisplayLines : function(code)
{
var lines = code.split(/\n/g),
firstLine = parseInt(this.getParam('first-line')),
padLength = (firstLine + lines.length).toString().length,
highlightedLines = this.getParam('highlight', [])
;
code = '';
for (var i = 0; i < lines.length; i++)
{
var line = lines[i],
indent = /^( |\s)+/.exec(line),
lineClass = 'line alt' + (i % 2 == 0 ? 1 : 2),
lineNumber = sh.utils.padNumber(firstLine + i, padLength),
highlighted = highlightedLines.indexOf((firstLine + i).toString()) != -1,
spaces = null
;
if (indent != null)
{
spaces = indent[0].toString();
line = line.substr(spaces.length);
spaces = spaces.replace(/ /g, ' ');
indent = sh.vars.spaceWidth * spaces.length;
}
else
{
indent = 0;
}
line = sh.utils.trim(line);
if (line.length == 0)
line = ' ';
if (highlighted)
lineClass += ' highlighted';
code +=
'' + lineNumber + '.'
+ ''
+ (spaces != null ? '' + spaces.replace(/\s/g, ' ') + '' : '')
+ '' + line + ''
+ ''
+ '.*?)" +
"(?" + regexGroup.right.source + ")",
"sgi"
)
};
}
}; // end of Highlighter
return sh;
}(); // end of anonymous function
if (!Array.indexOf)
/**
* Finds an index of element in the array.
* @ignore
* @param {Object} searchElement
* @param {Number} fromIndex
* @return {Number} Returns index of element if found; -1 otherwise.
*/
Array.prototype.indexOf = function (searchElement, fromIndex)
{
fromIndex = Math.max(fromIndex || 0, 0);
for (var i = fromIndex; i < this.length; i++)
if(this[i] == searchElement)
return i;
return -1;
};
/**
* XRegExp 0.6.1
* (c) 2007-2008 Steven Levithan
*
* MIT License
*
* provides an augmented, cross-browser implementation of regular expressions
* including support for additional modifiers and syntax. several convenience
* methods and a recursive-construct parser are also included.
*/
// prevent running twice, which would break references to native globals
if (!window.XRegExp) {
// anonymous function to avoid global variables
(function () {
// copy various native globals for reference. can't use the name ``native``
// because it's a reserved JavaScript keyword.
var real = {
exec: RegExp.prototype.exec,
match: String.prototype.match,
replace: String.prototype.replace,
split: String.prototype.split
},
/* regex syntax parsing with support for all the necessary cross-
browser and context issues (escapings, character classes, etc.) */
lib = {
part: /(?:[^\\([#\s.]+|\\(?!k<[\w$]+>|[pP]{[^}]+})[\S\s]?|\((?=\?(?!#|<[\w$]+>)))+|(\()(?:\?(?:(#)[^)]*\)|<([$\w]+)>))?|\\(?:k<([\w$]+)>|[pP]{([^}]+)})|(\[\^?)|([\S\s])/g,
replaceVar: /(?:[^$]+|\$(?![1-9$&`']|{[$\w]+}))+|\$(?:([1-9]\d*|[$&`'])|{([$\w]+)})/g,
extended: /^(?:\s+|#.*)+/,
quantifier: /^(?:[?*+]|{\d+(?:,\d*)?})/,
classLeft: /&&\[\^?/g,
classRight: /]/g
},
indexOf = function (array, item, from) {
for (var i = from || 0; i < array.length; i++)
if (array[i] === item) return i;
return -1;
},
brokenExecUndef = /()??/.exec("")[1] !== undefined,
plugins = {};
/**
* Accepts a pattern and flags, returns a new, extended RegExp object.
* differs from a native regex in that additional flags and syntax are
* supported and browser inconsistencies are ameliorated.
* @ignore
*/
XRegExp = function (pattern, flags) {
if (pattern instanceof RegExp) {
if (flags !== undefined)
throw TypeError("can't supply flags when constructing one RegExp from another");
return pattern.addFlags(); // new copy
}
var flags = flags || "",
singleline = flags.indexOf("s") > -1,
extended = flags.indexOf("x") > -1,
hasNamedCapture = false,
captureNames = [],
output = [],
part = lib.part,
match, cc, len, index, regex;
part.lastIndex = 0; // in case the last XRegExp compilation threw an error (unbalanced character class)
while (match = real.exec.call(part, pattern)) {
// comment pattern. this check must come before the capturing group check,
// because both match[1] and match[2] will be non-empty.
if (match[2]) {
// keep tokens separated unless the following token is a quantifier
if (!lib.quantifier.test(pattern.slice(part.lastIndex)))
output.push("(?:)");
// capturing group
} else if (match[1]) {
captureNames.push(match[3] || null);
if (match[3])
hasNamedCapture = true;
output.push("(");
// named backreference
} else if (match[4]) {
index = indexOf(captureNames, match[4]);
// keep backreferences separate from subsequent literal numbers
// preserve backreferences to named groups that are undefined at this point as literal strings
output.push(index > -1 ?
"\\" + (index + 1) + (isNaN(pattern.charAt(part.lastIndex)) ? "" : "(?:)") :
match[0]
);
// unicode element (requires plugin)
} else if (match[5]) {
output.push(plugins.unicode ?
plugins.unicode.get(match[5], match[0].charAt(1) === "P") :
match[0]
);
// character class opening delimiter ("[" or "[^")
// (non-native unicode elements are not supported within character classes)
} else if (match[6]) {
if (pattern.charAt(part.lastIndex) === "]") {
// for cross-browser compatibility with ECMA-262 v3 behavior,
// convert [] to (?!) and [^] to [\S\s].
output.push(match[6] === "[" ? "(?!)" : "[\\S\\s]");
part.lastIndex++;
} else {
// parse the character class with support for inner escapes and
// ES4's infinitely nesting intersection syntax ([&&[^&&[]]]).
cc = XRegExp.matchRecursive("&&" + pattern.slice(match.index), lib.classLeft, lib.classRight, "", {escapeChar: "\\"})[0];
output.push(match[6] + cc + "]");
part.lastIndex += cc.length + 1;
}
// dot ("."), pound sign ("#"), or whitespace character
} else if (match[7]) {
if (singleline && match[7] === ".") {
output.push("[\\S\\s]");
} else if (extended && lib.extended.test(match[7])) {
len = real.exec.call(lib.extended, pattern.slice(part.lastIndex - 1))[0].length;
// keep tokens separated unless the following token is a quantifier
if (!lib.quantifier.test(pattern.slice(part.lastIndex - 1 + len)))
output.push("(?:)");
part.lastIndex += len - 1;
} else {
output.push(match[7]);
}
} else {
output.push(match[0]);
}
}
regex = RegExp(output.join(""), real.replace.call(flags, /[sx]+/g, ""));
regex._x = {
source: pattern,
captureNames: hasNamedCapture ? captureNames : null
};
return regex;
};
/**
* Barebones plugin support for now (intentionally undocumented)
* @ignore
* @param {Object} name
* @param {Object} o
*/
XRegExp.addPlugin = function (name, o) {
plugins[name] = o;
};
/**
* Adds named capture support, with values returned as ``result.name``.
*
* Also fixes two cross-browser issues, following the ECMA-262 v3 spec:
* - captured values for non-participating capturing groups should be returned
* as ``undefined``, rather than the empty string.
* - the regex's ``lastIndex`` should not be incremented after zero-length
* matches.
* @ignore
*/
RegExp.prototype.exec = function (str) {
var match = real.exec.call(this, str),
name, i, r2;
if (match) {
// fix browsers whose exec methods don't consistently return
// undefined for non-participating capturing groups
if (brokenExecUndef && match.length > 1) {
// r2 doesn't need /g or /y, but they shouldn't hurt
r2 = new RegExp("^" + this.source + "$(?!\\s)", this.getNativeFlags());
real.replace.call(match[0], r2, function () {
for (i = 1; i < arguments.length - 2; i++) {
if (arguments[i] === undefined) match[i] = undefined;
}
});
}
// attach named capture properties
if (this._x && this._x.captureNames) {
for (i = 1; i < match.length; i++) {
name = this._x.captureNames[i - 1];
if (name) match[name] = match[i];
}
}
// fix browsers that increment lastIndex after zero-length matches
if (this.global && this.lastIndex > (match.index + match[0].length))
this.lastIndex--;
}
return match;
};
})(); // end anonymous function
} // end if(!window.XRegExp)
/**
* intentionally undocumented
* @ignore
*/
RegExp.prototype.getNativeFlags = function () {
return (this.global ? "g" : "") +
(this.ignoreCase ? "i" : "") +
(this.multiline ? "m" : "") +
(this.extended ? "x" : "") +
(this.sticky ? "y" : "");
};
/**
* Accepts flags; returns a new XRegExp object generated by recompiling
* the regex with the additional flags (may include non-native flags).
* The original regex object is not altered.
* @ignore
*/
RegExp.prototype.addFlags = function (flags) {
var regex = new XRegExp(this.source, (flags || "") + this.getNativeFlags());
if (this._x) {
regex._x = {
source: this._x.source,
captureNames: this._x.captureNames ? this._x.captureNames.slice(0) : null
};
}
return regex;
};
/**
* Accepts a context object and string; returns the result of calling
* ``exec`` with the provided string. the context is ignored but is
* accepted for congruity with ``Function.prototype.call``.
* @ignore
*/
RegExp.prototype.call = function (context, str) {
return this.exec(str);
};
/**
* Accepts a context object and arguments array; returns the result of
* calling ``exec`` with the first value in the arguments array. the context
* is ignored but is accepted for congruity with ``Function.prototype.apply``.
* @ignore
*/
RegExp.prototype.apply = function (context, args) {
return this.exec(args[0]);
};
/**
* Accepts a pattern and flags; returns an XRegExp object. if the pattern
* and flag combination has previously been cached, the cached copy is
* returned, otherwise the new object is cached.
* @ignore
*/
XRegExp.cache = function (pattern, flags) {
var key = "/" + pattern + "/" + (flags || "");
return XRegExp.cache[key] || (XRegExp.cache[key] = new XRegExp(pattern, flags));
};
/**
* Accepts a string; returns the string with regex metacharacters escaped.
* the returned string can safely be used within a regex to match a literal
* string. escaped characters are [, ], {, }, (, ), -, *, +, ?, ., \, ^, $,
* |, #, [comma], and whitespace.
* @ignore
*/
XRegExp.escape = function (str) {
return str.replace(/[-[\]{}()*+?.\\^$|,#\s]/g, "\\$&");
};
/**
* Accepts a string to search, left and right delimiters as regex pattern
* strings, optional regex flags (may include non-native s, x, and y flags),
* and an options object which allows setting an escape character and changing
* the return format from an array of matches to a two-dimensional array of
* string parts with extended position data. returns an array of matches
* (optionally with extended data), allowing nested instances of left and right
* delimiters. use the g flag to return all matches, otherwise only the first
* is returned. if delimiters are unbalanced within the subject data, an error
* is thrown.
*
* This function admittedly pushes the boundaries of what can be accomplished
* sensibly without a "real" parser. however, by doing so it provides flexible
* and powerful recursive parsing capabilities with minimal code weight.
*
* Warning: the ``escapeChar`` option is considered experimental and might be
* changed or removed in future versions of XRegExp.
*
* unsupported features:
* - backreferences within delimiter patterns when using ``escapeChar``.
* - although providing delimiters as regex objects adds the minor feature of
* independent delimiter flags, it introduces other limitations and is only
* intended to be done by the ``XRegExp`` constructor (which can't call
* itself while building a regex).
*
* @ignore
*/
XRegExp.matchRecursive = function (str, left, right, flags, options) {
var options = options || {},
escapeChar = options.escapeChar,
vN = options.valueNames,
flags = flags || "",
global = flags.indexOf("g") > -1,
ignoreCase = flags.indexOf("i") > -1,
multiline = flags.indexOf("m") > -1,
sticky = flags.indexOf("y") > -1,
/* sticky mode has its own handling in this function, which means you
can use flag "y" even in browsers which don't support it natively */
flags = flags.replace(/y/g, ""),
left = left instanceof RegExp ? (left.global ? left : left.addFlags("g")) : new XRegExp(left, "g" + flags),
right = right instanceof RegExp ? (right.global ? right : right.addFlags("g")) : new XRegExp(right, "g" + flags),
output = [],
openTokens = 0,
delimStart = 0,
delimEnd = 0,
lastOuterEnd = 0,
outerStart, innerStart, leftMatch, rightMatch, escaped, esc;
if (escapeChar) {
if (escapeChar.length > 1) throw SyntaxError("can't supply more than one escape character");
if (multiline) throw TypeError("can't supply escape character when using the multiline flag");
escaped = XRegExp.escape(escapeChar);
/* Escape pattern modifiers:
/g - not needed here
/i - included
/m - **unsupported**, throws error
/s - handled by XRegExp when delimiters are provided as strings
/x - handled by XRegExp when delimiters are provided as strings
/y - not needed here; supported by other handling in this function
*/
esc = new RegExp(
"^(?:" + escaped + "[\\S\\s]|(?:(?!" + left.source + "|" + right.source + ")[^" + escaped + "])+)+",
ignoreCase ? "i" : ""
);
}
while (true) {
/* advance the starting search position to the end of the last delimiter match.
a couple special cases are also covered:
- if using an escape character, advance to the next delimiter's starting position,
skipping any escaped characters
- first time through, reset lastIndex in case delimiters were provided as regexes
*/
left.lastIndex = right.lastIndex = delimEnd +
(escapeChar ? (esc.exec(str.slice(delimEnd)) || [""])[0].length : 0);
leftMatch = left.exec(str);
rightMatch = right.exec(str);
// only keep the result which matched earlier in the string
if (leftMatch && rightMatch) {
if (leftMatch.index <= rightMatch.index)
rightMatch = null;
else leftMatch = null;
}
/* paths*:
leftMatch | rightMatch | openTokens | result
1 | 0 | 1 | ...
1 | 0 | 0 | ...
0 | 1 | 1 | ...
0 | 1 | 0 | throw
0 | 0 | 1 | throw
0 | 0 | 0 | break
* - does not include the sticky mode special case
- the loop ends after the first completed match if not in global mode
*/
if (leftMatch || rightMatch) {
delimStart = (leftMatch || rightMatch).index;
delimEnd = (leftMatch ? left : right).lastIndex;
} else if (!openTokens) {
break;
}
if (sticky && !openTokens && delimStart > lastOuterEnd)
break;
if (leftMatch) {
if (!openTokens++) {
outerStart = delimStart;
innerStart = delimEnd;
}
} else if (rightMatch && openTokens) {
if (!--openTokens) {
if (vN) {
if (vN[0] && outerStart > lastOuterEnd)
output.push([vN[0], str.slice(lastOuterEnd, outerStart), lastOuterEnd, outerStart]);
if (vN[1]) output.push([vN[1], str.slice(outerStart, innerStart), outerStart, innerStart]);
if (vN[2]) output.push([vN[2], str.slice(innerStart, delimStart), innerStart, delimStart]);
if (vN[3]) output.push([vN[3], str.slice(delimStart, delimEnd), delimStart, delimEnd]);
} else {
output.push(str.slice(innerStart, delimStart));
}
lastOuterEnd = delimEnd;
if (!global)
break;
}
} else {
// reset lastIndex in case delimiters were provided as regexes
left.lastIndex = right.lastIndex = 0;
throw Error("subject data contains unbalanced delimiters");
}
// if the delimiter matched an empty string, advance delimEnd to avoid an infinite loop
if (delimStart === delimEnd)
delimEnd++;
}
if (global && !sticky && vN && vN[0] && str.length > lastOuterEnd)
output.push([vN[0], str.slice(lastOuterEnd), lastOuterEnd, str.length]);
// reset lastIndex in case delimiters were provided as regexes
left.lastIndex = right.lastIndex = 0;
return output;
};