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Diffstat (limited to 'objectapp/static/objectapp/js/Gnowmacs/src/js/.svn/text-base/ymacs-regexp.js.svn-base')
| -rw-r--r-- | objectapp/static/objectapp/js/Gnowmacs/src/js/.svn/text-base/ymacs-regexp.js.svn-base | 96 |
1 files changed, 0 insertions, 96 deletions
diff --git a/objectapp/static/objectapp/js/Gnowmacs/src/js/.svn/text-base/ymacs-regexp.js.svn-base b/objectapp/static/objectapp/js/Gnowmacs/src/js/.svn/text-base/ymacs-regexp.js.svn-base deleted file mode 100644 index cf793af..0000000 --- a/objectapp/static/objectapp/js/Gnowmacs/src/js/.svn/text-base/ymacs-regexp.js.svn-base +++ /dev/null @@ -1,96 +0,0 @@ -//> This file is part of Ymacs, an Emacs-like editor for the Web -//> http://www.ymacs.org/ -//> -//> Copyright (c) 2009-2010, Mihai Bazon, Dynarch.com. All rights reserved. -//> -//> Redistribution and use in source and binary forms, with or without -//> modification, are permitted provided that the following conditions are -//> met: -//> -//> * Redistributions of source code must retain the above copyright -//> notice, this list of conditions and the following disclaimer. -//> -//> * Redistributions in binary form must reproduce the above copyright -//> notice, this list of conditions and the following disclaimer in -//> the documentation and/or other materials provided with the -//> distribution. -//> -//> * Neither the name of Dynarch.com nor the names of its contributors -//> may be used to endorse or promote products derived from this -//> software without specific prior written permission. -//> -//> THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDER “AS IS” AND ANY -//> EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE -//> IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR -//> PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE -//> FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR -//> CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF -//> SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS -//> INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN -//> CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) -//> ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF -//> THE POSSIBILITY OF SUCH DAMAGE. - -// @require ymacs.js - -window.Ymacs_Regexp = (function(){ - - var SEARCH_BACKWARD = {}; - - // var LOOKING_BACK = {}; - - function getPatternAndFlags(rx) { - if (rx instanceof RegExp) - rx = rx.toString(); - var pos = rx.lastIndexOf("/"), flags = ""; - flags = rx.substr(pos + 1); - rx = rx.substring(1, pos); - return { pattern: rx, flags: flags }; - }; - - return { - - // Prepends to the regexp a token that will greedily eat any characters in - // front of the pattern. This is useful to get the last occurrence of the - // pattern in a string. The returned regexp is cached, so it's not - // reconstructed a second time. - // - // A function using such regexp must be aware that m.index will always be zero, - // because it matches from the beginning of the string. To find the index of - // the real match, it should use m[0].length (where m is an array returned by - // rx.exec()). - search_backward: function(rx) { - var key = rx.toString(); - var cached = SEARCH_BACKWARD[key]; - if (!cached) { - rx = getPatternAndFlags(key); - rx.flags = rx.flags.replace(/g/g, "") + "g"; // make sure it's global - cached = new RegExp("([^]*)(" + rx.pattern + ")", rx.flags); - SEARCH_BACKWARD[key] = cached; - } - cached.lastIndex = 0; - return cached; - } - - // Returns a regexp that has the "$" appended, so that it would match only at - // the end of the string. This should be faster than using search_backward and - // checking the lastIndex, since the JS regexp engine can optimize it, knowing - // that it should match only at the end of the string. Well, I hope. - // - // Update: it's not faster, and it's buggy. Don't use this. - // - // looking_back: function(rx) { - // var key = rx.toString(); - // var cached = LOOKING_BACK[key]; - // if (!cached) { - // rx = getPatternAndFlags(key); - // rx.pattern = rx.pattern.replace(/\$*$/, "$"); - // cached = new RegExp(rx.pattern, rx.flags); - // LOOKING_BACK[key] = cached; - // } - // return cached; - // } - - }; - -})(); |