diff options
| -rw-r--r-- | pecan/middleware/debug.py | 5 | ||||
| -rw-r--r-- | pecan/middleware/resources/XRegExp.js | 664 | ||||
| -rw-r--r-- | pecan/middleware/resources/__init__.py | 3 | ||||
| -rw-r--r-- | pecan/middleware/resources/shCore.js | 1731 | ||||
| -rw-r--r-- | pecan/middleware/resources/syntax.js | 17 |
5 files changed, 2401 insertions, 19 deletions
diff --git a/pecan/middleware/debug.py b/pecan/middleware/debug.py index 9b753e1..f6d3e53 100644 --- a/pecan/middleware/debug.py +++ b/pecan/middleware/debug.py @@ -6,7 +6,8 @@ import pdb from mako.template import Template from webob import Response -from .resources import (pecan_image, syntax_js, syntax_css, theme, brush) +from .resources import (pecan_image, xregexp_js, syntax_js, syntax_css, theme, + brush) debug_template_raw = '''<html> @@ -16,6 +17,7 @@ debug_template_raw = '''<html> <link rel="stylesheet" type="text/css" href="${syntax_css}" /> <link rel="stylesheet" type="text/css" href="${theme}" /> + <script type="text/javascript" src="${xregexp_js}"></script> <script type="text/javascript" src="${syntax_js}"> /** * SyntaxHighlighter @@ -301,6 +303,7 @@ class DebugMiddleware(object): traceback=out.getvalue(), environment=formatted_environ, pecan_image=pecan_image, + xregexp_js=xregexp_js, syntax_js=syntax_js, brush=brush, syntax_css=syntax_css, diff --git a/pecan/middleware/resources/XRegExp.js b/pecan/middleware/resources/XRegExp.js new file mode 100644 index 0000000..ebdb9c9 --- /dev/null +++ b/pecan/middleware/resources/XRegExp.js @@ -0,0 +1,664 @@ +// XRegExp 1.5.1 +// (c) 2007-2012 Steven Levithan +// MIT License +// <http://xregexp.com> +// Provides an augmented, extensible, cross-browser implementation of regular expressions, +// including support for additional syntax, flags, and methods + +var XRegExp; + +if (XRegExp) { + // Avoid running twice, since that would break references to native globals + throw Error("can't load XRegExp twice in the same frame"); +} + +// Run within an anonymous function to protect variables and avoid new globals +(function (undefined) { + + //--------------------------------- + // Constructor + //--------------------------------- + + // Accepts a pattern and flags; returns a new, extended `RegExp` object. Differs from a native + // regular expression in that additional syntax and flags are supported and cross-browser + // syntax inconsistencies are ameliorated. `XRegExp(/regex/)` clones an existing regex and + // converts to type XRegExp + XRegExp = function (pattern, flags) { + var output = [], + currScope = XRegExp.OUTSIDE_CLASS, + pos = 0, + context, tokenResult, match, chr, regex; + + if (XRegExp.isRegExp(pattern)) { + if (flags !== undefined) + throw TypeError("can't supply flags when constructing one RegExp from another"); + return clone(pattern); + } + // Tokens become part of the regex construction process, so protect against infinite + // recursion when an XRegExp is constructed within a token handler or trigger + if (isInsideConstructor) + throw Error("can't call the XRegExp constructor within token definition functions"); + + flags = flags || ""; + context = { // `this` object for custom tokens + hasNamedCapture: false, + captureNames: [], + hasFlag: function (flag) {return flags.indexOf(flag) > -1;}, + setFlag: function (flag) {flags += flag;} + }; + + while (pos < pattern.length) { + // Check for custom tokens at the current position + tokenResult = runTokens(pattern, pos, currScope, context); + + if (tokenResult) { + output.push(tokenResult.output); + pos += (tokenResult.match[0].length || 1); + } else { + // Check for native multicharacter metasequences (excluding character classes) at + // the current position + if (match = nativ.exec.call(nativeTokens[currScope], pattern.slice(pos))) { + output.push(match[0]); + pos += match[0].length; + } else { + chr = pattern.charAt(pos); + if (chr === "[") + currScope = XRegExp.INSIDE_CLASS; + else if (chr === "]") + currScope = XRegExp.OUTSIDE_CLASS; + // Advance position one character + output.push(chr); + pos++; + } + } + } + + regex = RegExp(output.join(""), nativ.replace.call(flags, flagClip, "")); + regex._xregexp = { + source: pattern, + captureNames: context.hasNamedCapture ? context.captureNames : null + }; + return regex; + }; + + + //--------------------------------- + // Public properties + //--------------------------------- + + XRegExp.version = "1.5.1"; + + // Token scope bitflags + XRegExp.INSIDE_CLASS = 1; + XRegExp.OUTSIDE_CLASS = 2; + + + //--------------------------------- + // Private variables + //--------------------------------- + + var replacementToken = /\$(?:(\d\d?|[$&`'])|{([$\w]+)})/g, + flagClip = /[^gimy]+|([\s\S])(?=[\s\S]*\1)/g, // Nonnative and duplicate flags + quantifier = /^(?:[?*+]|{\d+(?:,\d*)?})\??/, + isInsideConstructor = false, + tokens = [], + // Copy native globals for reference ("native" is an ES3 reserved keyword) + nativ = { + exec: RegExp.prototype.exec, + test: RegExp.prototype.test, + match: String.prototype.match, + replace: String.prototype.replace, + split: String.prototype.split + }, + compliantExecNpcg = nativ.exec.call(/()??/, "")[1] === undefined, // check `exec` handling of nonparticipating capturing groups + compliantLastIndexIncrement = function () { + var x = /^/g; + nativ.test.call(x, ""); + return !x.lastIndex; + }(), + hasNativeY = RegExp.prototype.sticky !== undefined, + nativeTokens = {}; + + // `nativeTokens` match native multicharacter metasequences only (including deprecated octals, + // excluding character classes) + nativeTokens[XRegExp.INSIDE_CLASS] = /^(?:\\(?:[0-3][0-7]{0,2}|[4-7][0-7]?|x[\dA-Fa-f]{2}|u[\dA-Fa-f]{4}|c[A-Za-z]|[\s\S]))/; + nativeTokens[XRegExp.OUTSIDE_CLASS] = /^(?:\\(?:0(?:[0-3][0-7]{0,2}|[4-7][0-7]?)?|[1-9]\d*|x[\dA-Fa-f]{2}|u[\dA-Fa-f]{4}|c[A-Za-z]|[\s\S])|\(\?[:=!]|[?*+]\?|{\d+(?:,\d*)?}\??)/; + + + //--------------------------------- + // Public methods + //--------------------------------- + + // Lets you extend or change XRegExp syntax and create custom flags. This is used internally by + // the XRegExp library and can be used to create XRegExp plugins. This function is intended for + // users with advanced knowledge of JavaScript's regular expression syntax and behavior. It can + // be disabled by `XRegExp.freezeTokens` + XRegExp.addToken = function (regex, handler, scope, trigger) { + tokens.push({ + pattern: clone(regex, "g" + (hasNativeY ? "y" : "")), + handler: handler, + scope: scope || XRegExp.OUTSIDE_CLASS, + trigger: trigger || null + }); + }; + + // Accepts a pattern and flags; returns an extended `RegExp` object. If the pattern and flag + // combination has previously been cached, the cached copy is returned; otherwise the newly + // created regex is cached + XRegExp.cache = function (pattern, flags) { + var key = pattern + "/" + (flags || ""); + return XRegExp.cache[key] || (XRegExp.cache[key] = XRegExp(pattern, flags)); + }; + + // Accepts a `RegExp` instance; returns a copy with the `/g` flag set. The copy has a fresh + // `lastIndex` (set to zero). If you want to copy a regex without forcing the `global` + // property, use `XRegExp(regex)`. Do not use `RegExp(regex)` because it will not preserve + // special properties required for named capture + XRegExp.copyAsGlobal = function (regex) { + return clone(regex, "g"); + }; + + // Accepts a string; returns the string with regex metacharacters escaped. The returned string + // can safely be used at any point within a regex to match the provided literal string. Escaped + // characters are [ ] { } ( ) * + ? - . , \ ^ $ | # and whitespace + XRegExp.escape = function (str) { + return str.replace(/[-[\]{}()*+?.,\\^$|#\s]/g, "\\$&"); + }; + + // Accepts a string to search, regex to search with, position to start the search within the + // string (default: 0), and an optional Boolean indicating whether matches must start at-or- + // after the position or at the specified position only. This function ignores the `lastIndex` + // of the provided regex in its own handling, but updates the property for compatibility + XRegExp.execAt = function (str, regex, pos, anchored) { + var r2 = clone(regex, "g" + ((anchored && hasNativeY) ? "y" : "")), + match; + r2.lastIndex = pos = pos || 0; + match = r2.exec(str); // Run the altered `exec` (required for `lastIndex` fix, etc.) + if (anchored && match && match.index !== pos) + match = null; + if (regex.global) + regex.lastIndex = match ? r2.lastIndex : 0; + return match; + }; + + // Breaks the unrestorable link to XRegExp's private list of tokens, thereby preventing + // syntax and flag changes. Should be run after XRegExp and any plugins are loaded + XRegExp.freezeTokens = function () { + XRegExp.addToken = function () { + throw Error("can't run addToken after freezeTokens"); + }; + }; + + // Accepts any value; returns a Boolean indicating whether the argument is a `RegExp` object. + // Note that this is also `true` for regex literals and regexes created by the `XRegExp` + // constructor. This works correctly for variables created in another frame, when `instanceof` + // and `constructor` checks would fail to work as intended + XRegExp.isRegExp = function (o) { + return Object.prototype.toString.call(o) === "[object RegExp]"; + }; + + // Executes `callback` once per match within `str`. Provides a simpler and cleaner way to + // iterate over regex matches compared to the traditional approaches of subverting + // `String.prototype.replace` or repeatedly calling `exec` within a `while` loop + XRegExp.iterate = function (str, regex, callback, context) { + var r2 = clone(regex, "g"), + i = -1, match; + while (match = r2.exec(str)) { // Run the altered `exec` (required for `lastIndex` fix, etc.) + if (regex.global) + regex.lastIndex = r2.lastIndex; // Doing this to follow expectations if `lastIndex` is checked within `callback` + callback.call(context, match, ++i, str, regex); + if (r2.lastIndex === match.index) + r2.lastIndex++; + } + if (regex.global) + regex.lastIndex = 0; + }; + + // Accepts a string and an array of regexes; returns the result of using each successive regex + // to search within the matches of the previous regex. The array of regexes can also contain + // objects with `regex` and `backref` properties, in which case the named or numbered back- + // references specified are passed forward to the next regex or returned. E.g.: + // var xregexpImgFileNames = XRegExp.matchChain(html, [ + // {regex: /<img\b([^>]+)>/i, backref: 1}, // <img> tag attributes + // {regex: XRegExp('(?ix) \\s src=" (?<src> [^"]+ )'), backref: "src"}, // src attribute values + // {regex: XRegExp("^http://xregexp\\.com(/[^#?]+)", "i"), backref: 1}, // xregexp.com paths + // /[^\/]+$/ // filenames (strip directory paths) + // ]); + XRegExp.matchChain = function (str, chain) { + return function recurseChain (values, level) { + var item = chain[level].regex ? chain[level] : {regex: chain[level]}, + regex = clone(item.regex, "g"), + matches = [], i; + for (i = 0; i < values.length; i++) { + XRegExp.iterate(values[i], regex, function (match) { + matches.push(item.backref ? (match[item.backref] || "") : match[0]); + }); + } + return ((level === chain.length - 1) || !matches.length) ? + matches : recurseChain(matches, level + 1); + }([str], 0); + }; + + + //--------------------------------- + // New RegExp prototype methods + //--------------------------------- + + // 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` + RegExp.prototype.apply = function (context, args) { + return this.exec(args[0]); + }; + + // 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` + RegExp.prototype.call = function (context, str) { + return this.exec(str); + }; + + + //--------------------------------- + // Overriden native methods + //--------------------------------- + + // Adds named capture support (with backreferences returned as `result.name`), and fixes two + // cross-browser issues per ES3: + // - Captured values for nonparticipating capturing groups should be returned as `undefined`, + // rather than the empty string. + // - `lastIndex` should not be incremented after zero-length matches. + RegExp.prototype.exec = function (str) { + var match, name, r2, origLastIndex; + if (!this.global) + origLastIndex = this.lastIndex; + match = nativ.exec.apply(this, arguments); + if (match) { + // Fix browsers whose `exec` methods don't consistently return `undefined` for + // nonparticipating capturing groups + if (!compliantExecNpcg && match.length > 1 && indexOf(match, "") > -1) { + r2 = RegExp(this.source, nativ.replace.call(getNativeFlags(this), "g", "")); + // Using `str.slice(match.index)` rather than `match[0]` in case lookahead allowed + // matching due to characters outside the match + nativ.replace.call((str + "").slice(match.index), r2, function () { + for (var i = 1; i < arguments.length - 2; i++) { + if (arguments[i] === undefined) + match[i] = undefined; + } + }); + } + // Attach named capture properties + if (this._xregexp && this._xregexp.captureNames) { + for (var i = 1; i < match.length; i++) { + name = this._xregexp.captureNames[i - 1]; + if (name) + match[name] = match[i]; + } + } + // Fix browsers that increment `lastIndex` after zero-length matches + if (!compliantLastIndexIncrement && this.global && !match[0].length && (this.lastIndex > match.index)) + this.lastIndex--; + } + if (!this.global) + this.lastIndex = origLastIndex; // Fix IE, Opera bug (last tested IE 9.0.5, Opera 11.61 on Windows) + return match; + }; + + // Fix browser bugs in native method + RegExp.prototype.test = function (str) { + // Use the native `exec` to skip some processing overhead, even though the altered + // `exec` would take care of the `lastIndex` fixes + var match, origLastIndex; + if (!this.global) + origLastIndex = this.lastIndex; + match = nativ.exec.call(this, str); + // Fix browsers that increment `lastIndex` after zero-length matches + if (match && !compliantLastIndexIncrement && this.global && !match[0].length && (this.lastIndex > match.index)) + this.lastIndex--; + if (!this.global) + this.lastIndex = origLastIndex; // Fix IE, Opera bug (last tested IE 9.0.5, Opera 11.61 on Windows) + return !!match; + }; + + // Adds named capture support and fixes browser bugs in native method + String.prototype.match = function (regex) { + if (!XRegExp.isRegExp(regex)) + regex = RegExp(regex); // Native `RegExp` + if (regex.global) { + var result = nativ.match.apply(this, arguments); + regex.lastIndex = 0; // Fix IE bug + return result; + } + return regex.exec(this); // Run the altered `exec` + }; + + // Adds support for `${n}` tokens for named and numbered backreferences in replacement text, + // and provides named backreferences to replacement functions as `arguments[0].name`. Also + // fixes cross-browser differences in replacement text syntax when performing a replacement + // using a nonregex search value, and the value of replacement regexes' `lastIndex` property + // during replacement iterations. Note that this doesn't support SpiderMonkey's proprietary + // third (`flags`) parameter + String.prototype.replace = function (search, replacement) { + var isRegex = XRegExp.isRegExp(search), + captureNames, result, str, origLastIndex; + + // There are too many combinations of search/replacement types/values and browser bugs that + // preclude passing to native `replace`, so don't try + //if (...) + // return nativ.replace.apply(this, arguments); + + if (isRegex) { + if (search._xregexp) + captureNames = search._xregexp.captureNames; // Array or `null` + if (!search.global) + origLastIndex = search.lastIndex; + } else { + search = search + ""; // Type conversion + } + + if (Object.prototype.toString.call(replacement) === "[object Function]") { + result = nativ.replace.call(this + "", search, function () { + if (captureNames) { + // Change the `arguments[0]` string primitive to a String object which can store properties + arguments[0] = new String(arguments[0]); + // Store named backreferences on `arguments[0]` + for (var i = 0; i < captureNames.length; i++) { + if (captureNames[i]) + arguments[0][captureNames[i]] = arguments[i + 1]; + } + } + // Update `lastIndex` before calling `replacement` (fix browsers) + if (isRegex && search.global) + search.lastIndex = arguments[arguments.length - 2] + arguments[0].length; + return replacement.apply(null, arguments); + }); + } else { + str = this + ""; // Type conversion, so `args[args.length - 1]` will be a string (given nonstring `this`) + result = nativ.replace.call(str, search, function () { + var args = arguments; // Keep this function's `arguments` available through closure + return nativ.replace.call(replacement + "", replacementToken, function ($0, $1, $2) { + // Numbered backreference (without delimiters) or special variable + if ($1) { + switch ($1) { + case "$": return "$"; + case "&": return args[0]; + case "`": return args[args.length - 1].slice(0, args[args.length - 2]); + case "'": return args[args.length - 1].slice(args[args.length - 2] + args[0].length); + // Numbered backreference + default: + // What does "$10" mean? + // - Backreference 10, if 10 or more capturing groups exist + // - Backreference 1 followed by "0", if 1-9 capturing groups exist + // - Otherwise, it's the string "$10" + // Also note: + // - Backreferences cannot be more than two digits (enforced by `replacementToken`) + // - "$01" is equivalent to "$1" if a capturing group exists, otherwise it's the string "$01" + // - There is no "$0" token ("$&" is the entire match) + var literalNumbers = ""; + $1 = +$1; // Type conversion; drop leading zero + if (!$1) // `$1` was "0" or "00" + return $0; + while ($1 > args.length - 3) { + literalNumbers = String.prototype.slice.call($1, -1) + literalNumbers; + $1 = Math.floor($1 / 10); // Drop the last digit + } + return ($1 ? args[$1] || "" : "$") + literalNumbers; + } + // Named backreference or delimited numbered backreference + } else { + // What does "${n}" mean? + // - Backreference to numbered capture n. Two differences from "$n": + // - n can be more than two digits + // - Backreference 0 is allowed, and is the entire match + // - Backreference to named capture n, if it exists and is not a number overridden by numbered capture + // - Otherwise, it's the string "${n}" + var n = +$2; // Type conversion; drop leading zeros + if (n <= args.length - 3) + return args[n]; + n = captureNames ? indexOf(captureNames, $2) : -1; + return n > -1 ? args[n + 1] : $0; + } + }); + }); + } + + if (isRegex) { + if (search.global) + search.lastIndex = 0; // Fix IE, Safari bug (last tested IE 9.0.5, Safari 5.1.2 on Windows) + else + search.lastIndex = origLastIndex; // Fix IE, Opera bug (last tested IE 9.0.5, Opera 11.61 on Windows) + } + + return result; + }; + + // A consistent cross-browser, ES3 compliant `split` + String.prototype.split = function (s /* separator */, limit) { + // If separator `s` is not a regex, use the native `split` + if (!XRegExp.isRegExp(s)) + return nativ.split.apply(this, arguments); + + var str = this + "", // Type conversion + output = [], + lastLastIndex = 0, + match, lastLength; + + // Behavior for `limit`: if it's... + // - `undefined`: No limit + // - `NaN` or zero: Return an empty array + // - A positive number: Use `Math.floor(limit)` + // - A negative number: No limit + // - Other: Type-convert, then use the above rules + if (limit === undefined || +limit < 0) { + limit = Infinity; + } else { + limit = Math.floor(+limit); + if (!limit) + return []; + } + + // This is required if not `s.global`, and it avoids needing to set `s.lastIndex` to zero + // and restore it to its original value when we're done using the regex + s = XRegExp.copyAsGlobal(s); + + while (match = s.exec(str)) { // Run the altered `exec` (required for `lastIndex` fix, etc.) + if (s.lastIndex > lastLastIndex) { + output.push(str.slice(lastLastIndex, match.index)); + + if (match.length > 1 && match.index < str.length) + Array.prototype.push.apply(output, match.slice(1)); + + lastLength = match[0].length; + lastLastIndex = s.lastIndex; + + if (output.length >= limit) + break; + } + + if (s.lastIndex === match.index) + s.lastIndex++; + } + + if (lastLastIndex === str.length) { + if (!nativ.test.call(s, "") || lastLength) + output.push(""); + } else { + output.push(str.slice(lastLastIndex)); + } + + return output.length > limit ? output.slice(0, limit) : output; + }; + + + //--------------------------------- + // Private helper functions + //--------------------------------- + + // Supporting function for `XRegExp`, `XRegExp.copyAsGlobal`, etc. Returns a copy of a `RegExp` + // instance with a fresh `lastIndex` (set to zero), preserving properties required for named + // capture. Also allows adding new flags in the process of copying the regex + function clone (regex, additionalFlags) { + if (!XRegExp.isRegExp(regex)) + throw TypeError("type RegExp expected"); + var x = regex._xregexp; + regex = XRegExp(regex.source, getNativeFlags(regex) + (additionalFlags || "")); + if (x) { + regex._xregexp = { + source: x.source, + captureNames: x.captureNames ? x.captureNames.slice(0) : null + }; + } + return regex; + } + + function getNativeFlags (regex) { + return (regex.global ? "g" : "") + + (regex.ignoreCase ? "i" : "") + + (regex.multiline ? "m" : "") + + (regex.extended ? "x" : "") + // Proposed for ES4; included in AS3 + (regex.sticky ? "y" : ""); + } + + function runTokens (pattern, index, scope, context) { + var i = tokens.length, + result, match, t; + // Protect against constructing XRegExps within token handler and trigger functions + isInsideConstructor = true; + // Must reset `isInsideConstructor`, even if a `trigger` or `handler` throws + try { + while (i--) { // Run in reverse order + t = tokens[i]; + if ((scope & t.scope) && (!t.trigger || t.trigger.call(context))) { + t.pattern.lastIndex = index; + match = t.pattern.exec(pattern); // Running the altered `exec` here allows use of named backreferences, etc. + if (match && match.index === index) { + result = { + output: t.handler.call(context, match, scope), + match: match + }; + break; + } + } + } + } catch (err) { + throw err; + } finally { + isInsideConstructor = false; + } + return result; + } + + function indexOf (array, item, from) { + if (Array.prototype.indexOf) // Use the native array method if available + return array.indexOf(item, from); + for (var i = from || 0; i < array.length; i++) { + if (array[i] === item) + return i; + } + return -1; + } + + + //--------------------------------- + // Built-in tokens + //--------------------------------- + + // Augment XRegExp's regular expression syntax and flags. Note that when adding tokens, the + // third (`scope`) argument defaults to `XRegExp.OUTSIDE_CLASS` + + // Comment pattern: (?# ) + XRegExp.addToken( + /\(\?#[^)]*\)/, + function (match) { + // Keep tokens separated unless the following token is a quantifier + return nativ.test.call(quantifier, match.input.slice(match.index + match[0].length)) ? "" : "(?:)"; + } + ); + + // Capturing group (match the opening parenthesis only). + // Required for support of named capturing groups + XRegExp.addToken( + /\((?!\?)/, + function () { + this.captureNames.push(null); + return "("; + } + ); + + // Named capturing group (match the opening delimiter only): (?<name> + XRegExp.addToken( + /\(\?<([$\w]+)>/, + function (match) { + this.captureNames.push(match[1]); + this.hasNamedCapture = true; + return "("; + } + ); + + // Named backreference: \k<name> + XRegExp.addToken( + /\\k<([\w$]+)>/, + function (match) { + var index = indexOf(this.captureNames, match[1]); + // Keep backreferences separate from subsequent literal numbers. Preserve back- + // references to named groups that are undefined at this point as literal strings + return index > -1 ? + "\\" + (index + 1) + (isNaN(match.input.charAt(match.index + match[0].length)) ? "" : "(?:)") : + match[0]; + } + ); + + // Empty character class: [] or [^] + XRegExp.addToken( + /\[\^?]/, + function (match) { + // For cross-browser compatibility with ES3, convert [] to \b\B and [^] to [\s\S]. + // (?!) should work like \b\B, but is unreliable in Firefox + return match[0] === "[]" ? "\\b\\B" : "[\\s\\S]"; + } + ); + + // Mode modifier at the start of the pattern only, with any combination of flags imsx: (?imsx) + // Does not support x(?i), (?-i), (?i-m), (?i: ), (?i)(?m), etc. + XRegExp.addToken( + /^\(\?([imsx]+)\)/, + function (match) { + this.setFlag(match[1]); + return ""; + } + ); + + // Whitespace and comments, in free-spacing (aka extended) mode only + XRegExp.addToken( + /(?:\s+|#.*)+/, + function (match) { + // Keep tokens separated unless the following token is a quantifier + return nativ.test.call(quantifier, match.input.slice(match.index + match[0].length)) ? "" : "(?:)"; + }, + XRegExp.OUTSIDE_CLASS, + function () {return this.hasFlag("x");} + ); + + // Dot, in dotall (aka singleline) mode only + XRegExp.addToken( + /\./, + function () {return "[\\s\\S]";}, + XRegExp.OUTSIDE_CLASS, + function () {return this.hasFlag("s");} + ); + + + //--------------------------------- + // Backward compatibility + //--------------------------------- + + // Uncomment the following block for compatibility with XRegExp 1.0-1.2: + /* + XRegExp.matchWithinChain = XRegExp.matchChain; + RegExp.prototype.addFlags = function (s) {return clone(this, s);}; + RegExp.prototype.execAll = function (s) {var r = []; XRegExp.iterate(s, this, function (m) {r.push(m);}); return r;}; + RegExp.prototype.forEachExec = function (s, f, c) {return XRegExp.iterate(s, this, f, c);}; + RegExp.prototype.validate = function (s) {var r = RegExp("^(?:" + this.source + ")$(?!\\s)", getNativeFlags(this)); if (this.global) this.lastIndex = 0; return s.search(r) === 0;}; + */ + +})(); + diff --git a/pecan/middleware/resources/__init__.py b/pecan/middleware/resources/__init__.py index 5c43a5f..4c49785 100644 --- a/pecan/middleware/resources/__init__.py +++ b/pecan/middleware/resources/__init__.py @@ -20,7 +20,8 @@ def load_resource(filename): ) pecan_image = load_resource('pecan.png') -syntax_js = load_resource('syntax.js') +xregexp_js = load_resource('XRegExp.js') +syntax_js = load_resource('shCore.js') syntax_css = load_resource('syntax.css') theme = load_resource('theme.css') brush = load_resource('brush-python.js') diff --git a/pecan/middleware/resources/shCore.js b/pecan/middleware/resources/shCore.js new file mode 100644 index 0000000..b19bb9b --- /dev/null +++ b/pecan/middleware/resources/shCore.js @@ -0,0 +1,1731 @@ +/** + * SyntaxHighlighter + * http://alexgorbatchev.com/SyntaxHighlighter + * + * SyntaxHighlighter is donationware. If you are using it, please donate. + * http://alexgorbatchev.com/SyntaxHighlighter/donate.html + * + * @version + * @VERSION@ (@DATE@) + * + * @copyright + * Copyright (C) 2004-2010 Alex Gorbatchev. + * + * @license + * Dual licensed under the MIT and GPL licenses. + */ + +// +// Begin anonymous function. This is used to contain local scope variables without polutting global scope. +// +if (typeof(SyntaxHighlighter) == 'undefined') var SyntaxHighlighter = function() { + +// CommonJS +if (typeof(require) != 'undefined' && typeof(XRegExp) == 'undefined') +{ + XRegExp = require('XRegExp').XRegExp; +} + +// Shortcut object which will be assigned to the SyntaxHighlighter variable. +// This is a shorthand for local reference in order to avoid long namespace +// references to SyntaxHighlighter.whatever... +var sh = { + defaults : { + /** Additional CSS class names to be added to highlighter elements. */ + 'class-name' : '', + + /** First line number. */ + 'first-line' : 1, + + /** + * Pads line numbers. Possible values are: + * + * false - don't pad line numbers. + * true - automaticaly pad numbers with minimum required number of leading zeroes. + * [int] - length up to which pad line numbers. + */ + 'pad-line-numbers' : false, + + /** Lines to highlight. */ + 'highlight' : null, + + /** Title to be displayed above the code block. */ + 'title' : null, + + /** Enables or disables smart tabs. */ + 'smart-tabs' : true, + + /** Gets or sets tab size. */ + 'tab-size' : 4, + + /** Enables or disables gutter. */ + 'gutter' : true, + + /** Enables or disables toolbar. */ + 'toolbar' : true, + + /** Enables quick code copy and paste from double click. */ + 'quick-code' : true, + + /** Forces code view to be collapsed. */ + 'collapse' : false, + + /** Enables or disables automatic links. */ + 'auto-links' : true, + + /** Gets or sets light mode. Equavalent to turning off gutter and toolbar. */ + 'light' : false, + + 'unindent' : true, + + 'html-script' : false + }, + + config : { + space : ' ', + + /** Enables use of <SCRIPT type="syntaxhighlighter" /> tags. */ + useScriptTags : true, + + /** Blogger mode flag. */ + bloggerMode : false, + + stripBrs : false, + + /** Name of the tag that SyntaxHighlighter will automatically look for. */ + tagName : 'pre', + + strings : { + expandSource : 'expand source', + help : '?', + alert: 'SyntaxHighlighter\n\n', + noBrush : 'Can\'t find brush for: ', + brushNotHtmlScript : 'Brush wasn\'t configured for html-script option: ', + + // this is populated by the build script + aboutDialog : '@ABOUT@' + } + }, + + /** Internal 'global' variables. */ + vars : { + discoveredBrushes : null, + highlighters : {} + }, + + /** This object is populated by user included external brush files. */ + brushes : {}, + + /** Common regular expressions. */ + regexLib : { + multiLineCComments : /\/\*[\s\S]*?\*\//gm, + singleLineCComments : /\/\/.*$/gm, + singleLinePerlComments : /#.*$/gm, + doubleQuotedString : /"([^\\"\n]|\\.)*"/g, + singleQuotedString : /'([^\\'\n]|\\.)*'/g, + multiLineDoubleQuotedString : new XRegExp('"([^\\\\"]|\\\\.)*"', 'gs'), + multiLineSingleQuotedString : new XRegExp("'([^\\\\']|\\\\.)*'", 'gs'), + xmlComments : /(<|<)!--[\s\S]*?--(>|>)/gm, + url : /\w+:\/\/[\w-.\/?%&=:@;#]*/g, + + /** <?= ?> tags. */ + phpScriptTags : { left: /(<|<)\?(?:=|php)?/g, right: /\?(>|>)/g, 'eof' : true }, + + /** <%= %> tags. */ + aspScriptTags : { left: /(<|<)%=?/g, right: /%(>|>)/g }, + + /** <script> tags. */ + scriptScriptTags : { left: /(<|<)\s*script.*?(>|>)/gi, right: /(<|<)\/\s*script\s*(>|>)/gi } + }, + + toolbar: { + /** + * Generates HTML markup for the toolbar. + * @param {Highlighter} highlighter Highlighter instance. + * @return {String} Returns HTML markup. + */ + getHtml: function(highlighter) + { + var html = '<div class="toolbar">', + items = sh.toolbar.items, + list = items.list + ; + + function defaultGetHtml(highlighter, name) + { + return sh.toolbar.getButtonHtml(highlighter, name, sh.config.strings[name]); + }; + + for (var i = 0; i < list.length; i++) + html += (items[list[i]].getHtml || defaultGetHtml)(highlighter, list[i]); + + html += '</div>'; + + return html; + }, + + /** + * Generates HTML markup for a regular button in the toolbar. + * @param {Highlighter} highlighter Highlighter instance. + * @param {String} commandName Command name that would be executed. + * @param {String} label Label text to display. + * @return {String} Returns HTML markup. + */ + getButtonHtml: function(highlighter, commandName, label) + { + return '<span><a href="#" class="toolbar_item' + + ' command_' + commandName + + ' ' + commandName + + '">' + label + '</a></span>' + ; + }, + + /** + * Event handler for a toolbar anchor. + */ + handler: function(e) + { + var target = e.target, + className = target.className || '' + ; + + function getValue(name) + { + var r = new RegExp(name + '_(\\w+)'), + match = r.exec(className) + ; + + return match ? match[1] : null; + }; + + var highlighter = getHighlighterById(findParentElement(target, '.syntaxhighlighter').id), + commandName = getValue('command') + ; + + // execute the toolbar command + if (highlighter && commandName) + sh.toolbar.items[commandName].execute(highlighter); + + // disable default A click behaviour + e.preventDefault(); + }, + + /** Collection of toolbar items. */ + items : { + // Ordered lis of items in the toolbar. Can't expect `for (var n in items)` to be consistent. + list: ['expandSource', 'help'], + + expandSource: { + getHtml: function(highlighter) + { + if (highlighter.getParam('collapse') != true) + return ''; + + var title = highlighter.getParam('title'); + return sh.toolbar.getButtonHtml(highlighter, 'expandSource', title ? title : sh.config.strings.expandSource); + }, + + execute: function(highlighter) + { + var div = getHighlighterDivById(highlighter.id); + removeClass(div, 'collapsed'); + } + }, + + /** Command to display the about dialog window. */ + help: { + execute: function(highlighter) + { + var wnd = popup('', '_blank', 500, 250, 'scrollbars=0'), + doc = wnd.document + ; + + doc.write(sh.config.strings.aboutDialog); + doc.close(); + wnd.focus(); + } + } + } + }, + + /** + * Finds all elements on the page which should be processes by SyntaxHighlighter. + * + * @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 returned which qualify. + * + * @return {Array} Returns list of <code>{ target: DOMElement, params: Object }</code> objects. + */ + findElements: function(globalParams, element) + { + var elements = element ? [element] : toArray(document.getElementsByTagName(sh.config.tagName)), + conf = sh.config, + result = [] + ; + + // support for <SCRIPT TYPE="syntaxhighlighter" /> feature + if (conf.useScriptTags) + elements = elements.concat(getSyntaxHighlighterScriptTags()); + + if (elements.length === 0) + return result; + + for (var i = 0; i < elements.length; i++) + { + var item = { + target: elements[i], + // local params take precedence over globals + params: merge(globalParams, parseParams(elements[i].className)) + }; + + if (item.params['brush'] == null) + continue; + + result.push(item); + } + + return result; + }, + + /** + * 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) + { + var elements = this.findElements(globalParams, element), + propertyName = 'innerHTML', + highlighter = null, + conf = sh.config + ; + + if (elements.length === 0) + return; + + for (var i = 0; i < elements.length; i++) + { + var element = elements[i], + target = element.target, + params = element.params, + brushName = params.brush, + code + ; + + if (brushName == null) + continue; + + // Instantiate a brush + if (params['html-script'] == 'true' || sh.defaults['html-script'] == true) + { + highlighter = new sh.HtmlScript(brushName); + brushName = 'htmlscript'; + } + else + { + var brush = findBrush(brushName); + + if (brush) + highlighter = new brush(); + else + continue; + } + + code = target[propertyName]; + + // remove CDATA from <SCRIPT/> tags if it's present + if (conf.useScriptTags) + code = stripCData(code); + + // Inject title if the attribute is present + if ((target.title || '') != '') + params.title = target.title; + + params['brush'] = brushName; + highlighter.init(params); + element = highlighter.getDiv(code); + + // carry over ID + if ((target.id || '') != '') + element.id = target.id; + + target.parentNode.replaceChild(element, target); + } + }, + + /** + * Main entry point for the SyntaxHighlighter. + * @param {Object} params Optional params to apply to all highlighted elements. + */ + all: function(params) + { + attachEvent( + window, + 'load', + function() { sh.highlight(params); } + ); + } +}; // end of sh + +/** + * Checks if target DOM elements has specified CSS class. + * @param {DOMElement} target Target DOM element to check. + * @param {String} className Name of the CSS class to check for. + * @return {Boolean} Returns true if class name is present, false otherwise. + */ +function hasClass(target, className) +{ + return target.className.indexOf(className) != -1; +}; + +/** + * Adds CSS class name to the target DOM element. + * @param {DOMElement} target Target DOM element. + * @param {String} className New CSS class to add. + */ +function addClass(target, className) +{ + if (!hasClass(target, className)) + target.className += ' ' + className; +}; + +/** + * Removes CSS class name from the target DOM element. + * @param {DOMElement} target Target DOM element. + * @param {String} className CSS class to remove. + */ +function removeClass(target, className) +{ + target.className = target.className.replace(className, ''); +}; + +/** + * Converts the source to array object. Mostly used for function arguments and + * lists returned by getElementsByTagName() which aren't Array objects. + * @param {List} source Source list. + * @return {Array} Returns array. + */ +function toArray(source) +{ + var result = []; + + for (var i = 0; i < source.length; i++) + result.push(source[i]); + + return result; +}; + +/** + * Splits block of text into lines. + * @param {String} block Block of text. + * @return {Array} Returns array of lines. + */ +function splitLines(block) +{ + return block.split(/\r?\n/); +} + +/** + * Generates HTML ID for the highlighter. + * @param {String} highlighterId Highlighter ID. + * @return {String} Returns HTML ID. + */ +function getHighlighterId(id) +{ + var prefix = 'highlighter_'; + return id.indexOf(prefix) == 0 ? id : prefix + id; +}; + +/** + * Finds Highlighter instance by ID. + * @param {String} highlighterId Highlighter ID. + * @return {Highlighter} Returns instance of the highlighter. + */ +function getHighlighterById(id) +{ + return sh.vars.highlighters[getHighlighterId(id)]; +}; + +/** + * Finds highlighter's DIV container. + * @param {String} highlighterId Highlighter ID. + * @return {Element} Returns highlighter's DIV element. + */ +function getHighlighterDivById(id) +{ + return document.getElementById(getHighlighterId(id)); +}; + +/** + * Stores highlighter so that getHighlighterById() can do its thing. Each + * highlighter must call this method to preserve itself. + * @param {Highilghter} highlighter Highlighter instance. + */ +function storeHighlighter(highlighter) +{ + sh.vars.highlighters[getHighlighterId(highlighter.id)] = highlighter; +}; + +/** + * Looks for a child or parent node which has specified classname. + * Equivalent to jQuery's $(container).find(".className") + * @param {Element} target Target element. + * @param {String} search Class name or node name to look for. + * @param {Boolean} reverse If set to true, will go up the node tree instead of down. + * @return {Element} Returns found child or parent element on null. + */ +function findElement(target, search, reverse /* optional */) +{ + if (target == null) + return null; + + var nodes = reverse != true ? target.childNodes : [ target.parentNode ], + propertyToFind = { '#' : 'id', '.' : 'className' }[search.substr(0, 1)] || 'nodeName', + expectedValue, + found + ; + + expectedValue = propertyToFind != 'nodeName' + ? search.substr(1) + : search.toUpperCase() + ; + + // main return of the found node + if ((target[propertyToFind] || '').indexOf(expectedValue) != -1) + return target; + + for (var i = 0; nodes && i < nodes.length && found == null; i++) + found = findElement(nodes[i], search, reverse); + + return found; +}; + +/** + * Looks for a parent node which has specified classname. + * This is an alias to <code>findElement(container, className, true)</code>. + * @param {Element} target Target element. + * @param {String} className Class name to look for. + * @return {Element} Returns found parent element on null. + */ +function findParentElement(target, className) +{ + return findElement(target, className, true); +}; + +/** + * 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. + */ +function indexOf(array, searchElement, fromIndex) +{ + fromIndex = Math.max(fromIndex || 0, 0); + + for (var i = fromIndex; i < array.length; i++) + if(array[i] == searchElement) + return i; + + return -1; +}; + +/** + * Generates a unique element ID. + */ +function guid(prefix) +{ + return (prefix || '') + Math.round(Math.random() * 1000000).toString(); +}; + +/** + * Merges two objects. Values from obj2 override values in obj1. + * Function is NOT recursive and works only for one dimensional objects. + * @param {Object} obj1 First object. + * @param {Object} obj2 Second object. + * @return {Object} Returns combination of both objects. + */ +function merge(obj1, obj2) +{ + var result = {}, name; + + for (name in obj1) + result[name] = obj1[name]; + + for (name in obj2) + result[name] = obj2[name]; + + return result; +}; + +/** + * Attempts to convert string to boolean. + * @param {String} value Input string. + * @return {Boolean} Returns true if input was "true", false if input was "false" and value otherwise. + */ +function toBoolean(value) +{ + var result = { "true" : true, "false" : false }[value]; + return result == null ? value : result; +}; + +/** + * Opens up a centered popup window. + * @param {String} url URL to open in the window. + * @param {String} name Popup name. + * @param {int} width Popup width. + * @param {int} height Popup height. + * @param {String} options window.open() options. + * @return {Window} Returns window instance. + */ +function popup(url, name, width, height, options) +{ + var x = (screen.width - width) / 2, + y = (screen.height - height) / 2 + ; + + options += ', left=' + x + + ', top=' + y + + ', width=' + width + + ', height=' + height + ; + options = options.replace(/^,/, ''); + + var win = window.open(url, name, options); + win.focus(); + return win; +}; + +/** + * Adds event handler to the target object. + * @param {Object} obj Target object. + * @param {String} type Name of the event. + * @param {Function} func Handling function. + */ +function attachEvent(obj, type, func, scope) +{ + function handler(e) + { + e = e || window.event; + + if (!e.target) + { + e.target = e.srcElement; + e.preventDefault = function() + { + this.returnValue = false; + }; + } + + func.call(scope || window, e); + }; + + if (obj.attachEvent) + { + obj.attachEvent('on' + type, handler); + } + else + { + obj.addEventListener(type, handler, false); + } +}; + +/** + * Displays an alert. + * @param {String} str String to display. + */ +function alert(str) +{ + window.alert(sh.config.strings.alert + str); +}; + +/** + * Finds a brush by its alias. + * + * @param {String} alias Brush alias. + * @param {Boolean} showAlert Suppresses the alert if false. + * @return {Brush} Returns bursh constructor if found, null otherwise. + */ +function findBrush(alias, showAlert) +{ + var brushes = sh.vars.discoveredBrushes, + result = null + ; + + if (brushes == null) + { + brushes = {}; + + // Find all brushes + for (var brush in sh.brushes) + { + var info = sh.brushes[brush], + aliases = info.aliases + ; + + if (aliases == null) + continue; + + // keep the brush name + info.brushName = brush.toLowerCase(); + + for (var i = 0; i < aliases.length; i++) + brushes[aliases[i]] = brush; + } + + sh.vars.discoveredBrushes = brushes; + } + + result = sh.brushes[brushes[alias]]; + + if (result == null && showAlert) + alert(sh.config.strings.noBrush + alias); + + return result; +}; + +/** + * Executes a callback on each line and replaces each line with result from the callback. + * @param {Object} str Input string. + * @param {Object} callback Callback function taking one string argument and returning a string. + */ +function eachLine(str, callback) +{ + var lines = splitLines(str); + + for (var i = 0; i < lines.length; i++) + lines[i] = callback(lines[i], i); + + // include \r to enable copy-paste on windows (ie8) without getting everything on one line + return lines.join('\r\n'); +}; + +/** + * This is a special trim which only removes first and last empty lines + * and doesn't affect valid leading space on the first line. + * + * @param {String} str Input string + * @return {String} Returns string without empty first and last lines. + */ +function trimFirstAndLastLines(str) +{ + return str.replace(/^[ ]*[\n]+|[\n]*[ ]*$/g, ''); +}; + +/** + * Parses key/value pairs into hash object. + * + * Understands the following formats: + * - name: word; + * - name: [word, word]; + * - name: "string"; + * - name: 'string'; + * + * For example: + * name1: value; name2: [value, value]; name3: 'value' + * + * @param {String} str Input string. + * @return {Object} Returns deserialized object. + */ +function parseParams(str) +{ + var match, + result = {}, + arrayRegex = new XRegExp("^\\[(?<values>(.*?))\\]$"), + regex = new XRegExp( + "(?<name>[\\w-]+)" + + "\\s*:\\s*" + + "(?<value>" + + "[\\w-%#]+|" + // word + "\\[.*?\\]|" + // [] array + '".*?"|' + // "" string + "'.*?'" + // '' string + ")\\s*;?", + "g" + ) + ; + + while ((match = regex.exec(str)) != null) + { + var value = match.value + .replace(/^['"]|['"]$/g, '') // strip quotes from end of strings + ; + + // try to parse array value + if (value != null && arrayRegex.test(value)) + { + var m = arrayRegex.exec(value); + value = m.values.length > 0 ? m.values.split(/\s*,\s*/) : []; + } + + result[match.name] = value; + } + + return result; +}; + +/** + * Wraps each line of the string into <code/> 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 <span/> tag. + */ +function wrapLinesWithCode(str, css) +{ + if (str == null || str.length == 0 || str == '\n') + return str; + + str = str.replace(/</g, '<'); + + // Replace two or more sequential spaces with leaving last space untouched. + str = str.replace(/ {2,}/g, function(m) + { + var spaces = ''; + + for (var i = 0; i < m.length - 1; i++) + spaces += sh.config.space; + + return spaces + ' '; + }); + + // Split each line and apply <span class="...">...</span> to them so that + // leading spaces aren't included. + if (css != null) + str = 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 + '<code class="' + css + '">' + line + '</code>'; + }); + + 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'. + */ +function padNumber(number, length) +{ + var result = number.toString(); + + while (result.length < length) + result = '0' + result; + + return result; +}; + +/** + * Replaces tabs with spaces. + * + * @param {String} code Source code. + * @param {Number} tabSize Size of the tab. + * @return {String} Returns code with all tabs replaces by spaces. + */ +function processTabs(code, tabSize) +{ + var tab = ''; + + for (var i = 0; i < tabSize; i++) + tab += ' '; + + return code.replace(/\t/g, tab); +}; + +/** + * Replaces tabs with smart spaces. + * + * @param {String} code Code to fix the tabs in. + * @param {Number} tabSize Number of spaces in a column. + * @return {String} Returns code with all tabs replaces with roper amount of spaces. + */ +function processSmartTabs(code, tabSize) +{ + var lines = splitLines(code), + tab = '\t', + spaces = '' + ; + + // Create a string with 1000 spaces to copy spaces from... + // It's assumed that there would be no indentation longer than that. + for (var i = 0; i < 50; i++) + spaces += ' '; // 20 spaces * 50 + + // This function inserts specified amount of spaces in the string + // where a tab is while removing that given tab. + function insertSpaces(line, pos, count) + { + return line.substr(0, pos) + + spaces.substr(0, count) + + line.substr(pos + 1, line.length) // pos + 1 will get rid of the tab + ; + }; + + // Go through all the lines and do the 'smart tabs' magic. + code = eachLine(code, function(line) + { + if (line.indexOf(tab) == -1) + return line; + + var pos = 0; + + while ((pos = line.indexOf(tab)) != -1) + { + // This is pretty much all there is to the 'smart tabs' logic. + // Based on the position within the line and size of a tab, + // calculate the amount of spaces we need to insert. + var spaces = tabSize - pos % tabSize; + line = insertSpaces(line, pos, spaces); + } + + return line; + }); + + return code; +}; + +/** + * Performs various string fixes based on configuration. + */ +function fixInputString(str) +{ + var br = /<br\s*\/?>|<br\s*\/?>/gi; + + if (sh.config.bloggerMode == true) + str = str.replace(br, '\n'); + + if (sh.config.stripBrs == true) + str = str.replace(br, ''); + + return str; +}; + +/** + * Removes all white space at the begining and end of a string. + * + * @param {String} str String to trim. + * @return {String} Returns string without leading and following white space characters. + */ +function trim(str) +{ + return str.replace(/^\s+|\s+$/g, ''); +}; + +/** + * Unindents a block of text by the lowest common indent amount. + * @param {String} str Text to unindent. + * @return {String} Returns unindented text block. + */ +function unindent(str) +{ + var lines = splitLines(fixInputString(str)), + indents = new Array(), + regex = /^\s*/, + min = 1000 + ; + + // go through every line and check for common number of indents + for (var i = 0; i < lines.length && min > 0; i++) + { + var line = lines[i]; + + if (trim(line).length == 0) + continue; + + var matches = regex.exec(line); + + // In the event that just one line doesn't have leading white space + // we can't unindent anything, so bail completely. + if (matches == null) + return str; + + min = Math.min(matches[0].length, min); + } + + // trim minimum common number of white space from the begining of every line + if (min > 0) + for (var i = 0; i < lines.length; i++) + lines[i] = lines[i].substr(min); + + return lines.join('\n'); +}; + +/** + * Callback method for Array.sort() which sorts matches by + * index position and then by length. + * + * @param {Match} m1 Left object. + * @param {Match} m2 Right object. + * @return {Number} Returns -1, 0 or -1 as a comparison result. + */ +function matchesSortCallback(m1, m2) +{ + // sort matches by index first + if(m1.index < m2.index) + return -1; + else if(m1.index > m2.index) + return 1; + else + { + // if index is the same, sort by length + if(m1.length < m2.length) + return -1; + else if(m1.length > m2.length) + return 1; + } + + return 0; +}; + +/** + * Executes given regular expression on provided code and returns all + * matches that are found. + * + * @param {String} code Code to execute regular expression on. + * @param {Object} regex Regular expression item info from <code>regexList</code> collection. + * @return {Array} Returns a list of Match objects. + */ +function getMatches(code, regexInfo) +{ + function defaultAdd(match, regexInfo) + { + return match[0]; + }; + + var index = 0, + match = null, + matches = [], + func = regexInfo.func ? regexInfo.func : defaultAdd + ; + + while((match = regexInfo.regex.exec(code)) != null) + { + var resultMatch = func(match, regexInfo); + + if (typeof(resultMatch) == 'string') + resultMatch = [new sh.Match(resultMatch, match.index, regexInfo.css)]; + + matches = matches.concat(resultMatch); + } + + return matches; +}; + +/** + * Turns all URLs in the code into <a/> tags. + * @param {String} code Input code. + * @return {String} Returns code with </a> tags. + */ +function processUrls(code) +{ + var gt = /(.*)((>|<).*)/; + + return code.replace(sh.regexLib.url, function(m) + { + var suffix = '', + match = null + ; + + // We include < and > in the URL for the common cases like <http://google.com> + // The problem is that they get transformed into <http://google.com> + // Where as > easily looks like part of the URL string. + + if (match = gt.exec(m)) + { + m = match[1]; + suffix = match[2]; + } + + return '<a href="' + m + '">' + m + '</a>' + suffix; + }); +}; + +/** + * Finds all <SCRIPT TYPE="syntaxhighlighter" /> elementss. + * @return {Array} Returns array of all found SyntaxHighlighter tags. + */ +function getSyntaxHighlighterScriptTags() +{ + var tags = document.getElementsByTagName('script'), + result = [] + ; + + for (var i = 0; i < tags.length; i++) + if (tags[i].type == 'syntaxhighlighter') + result.push(tags[i]); + + return result; +}; + +/** + * Strips <![CDATA[]]> from <SCRIPT /> content because it should be used + * there in most cases for XHTML compliance. + * @param {String} original Input code. + * @return {String} Returns code without leading <![CDATA[]]> tags. + */ +function stripCData(original) +{ + var left = '<![CDATA[', + right = ']]>', + // for some reason IE inserts some leading blanks here + copy = trim(original), + changed = false, + leftLength = left.length, + rightLength = right.length + ; + + if (copy.indexOf(left) == 0) + { + copy = copy.substring(leftLength); + changed = true; + } + + var copyLength = copy.length; + + if (copy.indexOf(right) == copyLength - rightLength) + { + copy = copy.substring(0, copyLength - rightLength); + changed = true; + } + + return changed ? copy : original; +}; + + +/** + * Quick code mouse double click handler. + */ +function quickCodeHandler(e) +{ + var target = e.target, + highlighterDiv = findParentElement(target, '.syntaxhighlighter'), + container = findParentElement(target, '.container'), + textarea = document.createElement('textarea'), + highlighter + ; + + if (!container || !highlighterDiv || findElement(container, 'textarea')) + return; + + highlighter = getHighlighterById(highlighterDiv.id); + + // add source class name + addClass(highlighterDiv, 'source'); + + // Have to go over each line and grab it's text, can't just do it on the + // container because Firefox loses all \n where as Webkit doesn't. + var lines = container.childNodes, + code = [] + ; + + for (var i = 0; i < lines.length; i++) + code.push(lines[i].innerText || lines[i].textContent); + + // using \r instead of \r or \r\n makes this work equally well on IE, FF and Webkit + code = code.join('\r'); + + // For Webkit browsers, replace nbsp with a breaking space + code = code.replace(/\u00a0/g, " "); + + // inject <textarea/> tag + textarea.appendChild(document.createTextNode(code)); + container.appendChild(textarea); + + // preselect all text + textarea.focus(); + textarea.select(); + + // set up handler for lost focus + attachEvent(textarea, 'blur', function(e) + { + textarea.parentNode.removeChild(textarea); + removeClass(highlighterDiv, 'source'); + }); +}; + +/** + * Match object. + */ +sh.Match = function(value, index, css) +{ + this.value = value; + this.index = index; + this.length = value.length; + this.css = css; + this.brushName = null; +}; + +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 brushClass = findBrush(scriptBrushName), + scriptBrush, + xmlBrush = new sh.brushes.Xml(), + bracketsRegex = null, + ref = this, + methodsToExpose = 'getDiv getHtml init'.split(' ') + ; + + if (brushClass == null) + return; + + scriptBrush = new brushClass(); + + for(var i = 0; i < methodsToExpose.length; i++) + // make a closure so we don't lose the name after i changes + (function() { + var name = methodsToExpose[i]; + + ref[name] = function() + { + return xmlBrush[name].apply(xmlBrush, arguments); + }; + })(); + + if (scriptBrush.htmlScript == null) + { + 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 + ; + + // add all matches from the code + for (var i = 0; i < regexList.length; i++) + { + result = getMatches(code, regexList[i]); + offsetMatches(result, offset); + matches = matches.concat(result); + } + + // add left script bracket + if (htmlScript.left != null && match.left != null) + { + result = getMatches(match.left, htmlScript.left); + offsetMatches(result, match.index); + matches = matches.concat(result); + } + + // add right script bracket + if (htmlScript.right != null && match.right != null) + { + result = getMatches(match.right, htmlScript.right); + offsetMatches(result, match.index + match[0].lastIndexOf(match.right)); + matches = matches.concat(result); + } + + for (var j = 0; j < matches.length; j++) + matches[j].brushName = brushClass.brushName; + + return matches; + } +}; + +/** + * Main Highlither class. + * @constructor + */ +sh.Highlighter = function() +{ + // not putting any code in here because of the prototype inheritance +}; + +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 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); + }, + + /** + * 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++) + // BUG: length returns len+1 for array if methods added to prototype chain (oising@gmail.com) + if (typeof (regexList[i]) == "object") + result = result.concat(getMatches(code, regexList[i])); + + // sort and remove nested the matches + return this.removeNestedMatches(result.sort(matchesSortCallback)); + }, + + /** + * 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(matches) + { + // Optimized by Jose Prado (http://joseprado.com) + for (var i = 0; i < matches.length; i++) + { + if (matches[i] === null) + continue; + + var itemI = matches[i], + itemIEndPos = itemI.index + itemI.length + ; + + for (var j = i + 1; j < matches.length && matches[i] !== null; j++) + { + var itemJ = matches[j]; + + if (itemJ === null) + continue; + else if (itemJ.index > itemIEndPos) + break; + else if (itemJ.index == itemI.index && itemJ.length > itemI.length) + matches[i] = null; + else if (itemJ.index >= itemI.index && itemJ.index < itemIEndPos) + matches[j] = null; + } + } + + return matches; + }, + + /** + * Creates an array containing integer line numbers starting from the 'first-line' param. + * @return {Array} Returns array of integers. + */ + figureOutLineNumbers: function(code) + { + var lines = [], + firstLine = parseInt(this.getParam('first-line')) + ; + + eachLine(code, function(line, index) + { + lines.push(index + firstLine); + }); + + return lines; + }, + + /** + * Determines if specified line number is in the highlighted list. + */ + isLineHighlighted: function(lineNumber) + { + var list = this.getParam('highlight', []); + + if (typeof(list) != 'object' && list.push == null) + list = [ list ]; + + return indexOf(list, lineNumber.toString()) != -1; + }, + + /** + * Generates HTML markup for a single line of code while determining alternating line style. + * @param {Integer} lineNumber Line number. + * @param {String} code Line HTML markup. + * @return {String} Returns HTML markup. + */ + getLineHtml: function(lineIndex, lineNumber, code) + { + var classes = [ + 'line', + 'number' + lineNumber, + 'index' + lineIndex, + 'alt' + (lineNumber % 2 == 0 ? 1 : 2).toString() + ]; + + if (this.isLineHighlighted(lineNumber)) + classes.push('highlighted'); + + if (lineNumber == 0) + classes.push('break'); + + return '<div class="' + classes.join(' ') + '">' + code + '</div>'; + }, + + /** + * Generates HTML markup for line number column. + * @param {String} code Complete code HTML markup. + * @param {Array} lineNumbers Calculated line numbers. + * @return {String} Returns HTML markup. + */ + getLineNumbersHtml: function(code, lineNumbers) + { + var html = '', + count = splitLines(code).length, + firstLine = parseInt(this.getParam('first-line')), + pad = this.getParam('pad-line-numbers') + ; + + if (pad == true) + pad = (firstLine + count - 1).toString().length; + else if (isNaN(pad) == true) + pad = 0; + + for (var i = 0; i < count; i++) + { + var lineNumber = lineNumbers ? lineNumbers[i] : firstLine + i, + code = lineNumber == 0 ? sh.config.space : padNumber(lineNumber, pad) + ; + + html += this.getLineHtml(i, lineNumber, code); + } + + return html; + }, + + /** + * Splits block of text into individual DIV lines. + * @param {String} code Code to highlight. + * @param {Array} lineNumbers Calculated line numbers. + * @return {String} Returns highlighted code in HTML form. + */ + getCodeLinesHtml: function(html, lineNumbers) + { + html = trim(html); + + var lines = splitLines(html), + padLength = this.getParam('pad-line-numbers'), + firstLine = parseInt(this.getParam('first-line')), + html = '', + brushName = this.getParam('brush') + ; + + for (var i = 0; i < lines.length; i++) + { + var line = lines[i], + indent = /^( |\s)+/.exec(line), + spaces = null, + lineNumber = lineNumbers ? lineNumbers[i] : firstLine + i; + ; + + if (indent != null) + { + spaces = indent[0].toString(); + line = line.substr(spaces.length); + spaces = spaces.replace(' ', sh.config.space); + } + + line = trim(line); + + if (line.length == 0) + line = sh.config.space; + + html += this.getLineHtml( + i, + lineNumber, + (spaces != null ? '<code class="' + brushName + ' spaces">' + spaces + '</code>' : '') + line + ); + } + + return html; + }, + + /** + * Returns HTML for the table title or empty string if title is null. + */ + getTitleHtml: function(title) + { + return title ? '<caption>' + title + '</caption>' : ''; + }, + + /** + * Finds all matches in the source code. + * @param {String} code Source code to process matches in. + * @param {Array} matches Discovered regex matches. + * @return {String} Returns formatted HTML with processed mathes. + */ + getMatchesHtml: function(code, matches) + { + var pos = 0, + result = '', + brushName = this.getParam('brush', '') + ; + + function getBrushNameCss(match) + { + var result = match ? (match.brushName || brushName) : brushName; + return result ? result + ' ' : ''; + }; + + // Finally, go through the final list of matches and pull the all + // together adding everything in between that isn't a match. + for (var i = 0; i < matches.length; i++) + { + var match = matches[i], + matchBrushName + ; + + if (match === null || match.length === 0) + continue; + + matchBrushName = getBrushNameCss(match); + + result += wrapLinesWithCode(code.substr(pos, match.index - pos), matchBrushName + 'plain') + + wrapLinesWithCode(match.value, matchBrushName + match.css) + ; + + pos = match.index + match.length + (match.offset || 0); + } + + // don't forget to add whatever's remaining in the string + result += wrapLinesWithCode(code.substr(pos), getBrushNameCss() + 'plain'); + + return result; + }, + + /** + * Generates HTML markup for the whole syntax highlighter. + * @param {String} code Source code. + * @return {String} Returns HTML markup. + */ + getHtml: function(code) + { + var html = '', + classes = [ 'syntaxhighlighter' ], + tabSize, + matches, + lineNumbers + ; + + // process light mode + if (this.getParam('light') == true) + this.params.toolbar = this.params.gutter = false; + + className = 'syntaxhighlighter'; + + if (this.getParam('collapse') == true) + classes.push('collapsed'); + + if ((gutter = this.getParam('gutter')) == false) + classes.push('nogutter'); + + // add custom user style name + classes.push(this.getParam('class-name')); + + // add brush alias to the class name for custom CSS + classes.push(this.getParam('brush')); + + code = trimFirstAndLastLines(code) + .replace(/\r/g, ' ') // IE lets these buggers through + ; + + tabSize = this.getParam('tab-size'); + + // replace tabs with spaces + code = this.getParam('smart-tabs') == true + ? processSmartTabs(code, tabSize) + : processTabs(code, tabSize) + ; + + // unindent code by the common indentation + if (this.getParam('unindent')) + code = unindent(code); + + if (gutter) + lineNumbers = this.figureOutLineNumbers(code); + + // find matches in the code using brushes regex list + matches = this.findMatches(this.regexList, code); + // processes found matches into the html + html = this.getMatchesHtml(code, matches); + // finally, split all lines so that they wrap well + html = this.getCodeLinesHtml(html, lineNumbers); + + // finally, process the links + if (this.getParam('auto-links')) + html = processUrls(html); + + if (typeof(navigator) != 'undefined' && navigator.userAgent && navigator.userAgent.match(/MSIE/)) + classes.push('ie'); + + html = + '<div id="' + getHighlighterId(this.id) + '" class="' + classes.join(' ') + '">' + + (this.getParam('toolbar') ? sh.toolbar.getHtml(this) : '') + + '<table border="0" cellpadding="0" cellspacing="0">' + + this.getTitleHtml(this.getParam('title')) + + '<tbody>' + + '<tr>' + + (gutter ? '<td class="gutter">' + this.getLineNumbersHtml(code) + '</td>' : '') + + '<td class="code">' + + '<div class="container">' + + html + + '</div>' + + '</td>' + + '</tr>' + + '</tbody>' + + '</table>' + + '</div>' + ; + + return html; + }, + + /** + * Highlights the code and returns complete HTML. + * @param {String} code Code to highlight. + * @return {Element} Returns container DIV element with all markup. + */ + getDiv: function(code) + { + if (code === null) + code = ''; + + this.code = code; + + var div = this.create('div'); + + // create main HTML + div.innerHTML = this.getHtml(code); + + // set up click handlers + if (this.getParam('toolbar')) + attachEvent(findElement(div, '.toolbar'), 'click', sh.toolbar.handler); + + if (this.getParam('quick-code')) + attachEvent(findElement(div, '.code'), 'dblclick', quickCodeHandler); + + return div; + }, + + /** + * Initializes the highlighter/brush. + * + * Constructor isn't used for initialization so that nothing executes during necessary + * `new SyntaxHighlighter.Highlighter()` call when setting up brush inheritence. + * + * @param {Hash} params Highlighter parameters. + */ + init: function(params) + { + this.id = guid(); + + // register this instance in the highlighters list + storeHighlighter(this); + + // local params take precedence over defaults + this.params = merge(sh.defaults, params || {}) + + // process light mode + if (this.getParam('light') == true) + this.params.toolbar = this.params.gutter = false; + }, + + /** + * Converts space separated list of keywords into a regular expression string. + * @param {String} str Space separated keywords. + * @return {String} Returns regular expression string. + */ + getKeywords: function(str) + { + str = str + .replace(/^\s+|\s+$/g, '') + .replace(/\s+/g, '|') + ; + + return '\\b(?:' + str + ')\\b'; + }, + + /** + * Makes a brush compatible with the `html-script` functionality. + * @param {Object} regexGroup Object containing `left` and `right` regular expressions. + */ + forHtmlScript: function(regexGroup) + { + var regex = { 'end' : regexGroup.right.source }; + + if(regexGroup.eof) + regex.end = "(?:(?:" + regex.end + ")|$)"; + + this.htmlScript = { + left : { regex: regexGroup.left, css: 'script' }, + right : { regex: regexGroup.right, css: 'script' }, + code : new XRegExp( + "(?<left>" + regexGroup.left.source + ")" + + "(?<code>.*?)" + + "(?<right>" + regex.end + ")", + "sgi" + ) + }; + } +}; // end of Highlighter + +return sh; +}(); // end of anonymous function + +// CommonJS +typeof(exports) != 'undefined' ? exports.SyntaxHighlighter = SyntaxHighlighter : null; diff --git a/pecan/middleware/resources/syntax.js b/pecan/middleware/resources/syntax.js deleted file mode 100644 index b47b645..0000000 --- a/pecan/middleware/resources/syntax.js +++ /dev/null @@ -1,17 +0,0 @@ -/** - * SyntaxHighlighter - * http://alexgorbatchev.com/SyntaxHighlighter - * - * SyntaxHighlighter is donationware. 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