mirror of
https://github.com/gryf/pentadactyl-pm.git
synced 2025-12-22 23:18:01 +01:00
606 lines
22 KiB
JavaScript
606 lines
22 KiB
JavaScript
/***** BEGIN LICENSE BLOCK ***** {{{
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Version: MPL 1.1/GPL 2.0/LGPL 2.1
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The contents of this file are subject to the Mozilla Public License Version
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1.1 (the "License"); you may not use this file except in compliance with
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the License. You may obtain a copy of the License at
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http://www.mozilla.org/MPL/
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Software distributed under the License is distributed on an "AS IS" basis,
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WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
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for the specific language governing rights and limitations under the
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License.
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(c) 2006-2007: Martin Stubenschrott <stubenschrott@gmx.net>
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Alternatively, the contents of this file may be used under the terms of
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either the GNU General Public License Version 2 or later (the "GPL"), or
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the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
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in which case the provisions of the GPL or the LGPL are applicable instead
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of those above. If you wish to allow use of your version of this file only
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under the terms of either the GPL or the LGPL, and not to allow others to
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use your version of this file under the terms of the MPL, indicate your
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decision by deleting the provisions above and replace them with the notice
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and other provisions required by the GPL or the LGPL. If you do not delete
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the provisions above, a recipient may use your version of this file under
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the terms of any one of the MPL, the GPL or the LGPL.
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}}} ***** END LICENSE BLOCK *****/
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vimperator.Completion = function () //{{{
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{
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////////////////////////////////////////////////////////////////////////////////
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////////////////////// PRIVATE SECTION /////////////////////////////////////////
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/////////////////////////////////////////////////////////////////////////////{{{
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// the completion substrings, used for showing the longest common match
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var substrings = [];
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// function uses smartcase
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// list = [ [['com1', 'com2'], 'text'], [['com3', 'com4'], 'text'] ]
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function buildLongestCommonSubstring(list, filter)
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{
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var filtered = [];
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var ignorecase = false;
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if (filter == filter.toLowerCase())
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ignorecase = true;
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for (var i = 0; i < list.length; i++)
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{
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for (var j = 0; j < list[i][0].length; j++)
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{
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var item = list[i][0][j];
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if (ignorecase)
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item = item.toLowerCase();
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if (item.indexOf(filter) == -1)
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continue;
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if (substrings.length == 0)
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{
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var lastIndex = item.lastIndexOf(filter);
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var length = item.length;
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for (var k = item.indexOf(filter); k != -1 && k <= lastIndex; k = item.indexOf(filter, k + 1))
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{
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for (var l = k + filter.length; l <= length; l++)
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substrings.push(list[i][0][j].substring(k, l));
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}
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}
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else
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{
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substrings = substrings.filter(function ($_) {
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return list[i][0][j].indexOf($_) >= 0;
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});
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}
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filtered.push([list[i][0][j], list[i][1]]);
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break;
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}
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}
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return filtered;
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}
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// this function is case sensitive and should be documented about input and output ;)
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function buildLongestStartingSubstring(list, filter)
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{
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var filtered = [];
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for (var i = 0; i < list.length; i++)
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{
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for (var j = 0; j < list[i][0].length; j++)
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{
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if (list[i][0][j].indexOf(filter) != 0)
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continue;
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if (substrings.length == 0)
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{
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var length = list[i][0][j].length;
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for (var k = filter.length; k <= length; k++)
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substrings.push(list[i][0][j].substring(0, k));
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}
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else
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{
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substrings = substrings.filter(function ($_) {
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return list[i][0][j].indexOf($_) == 0;
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});
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}
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filtered.push([list[i][0][j], list[i][1]]);
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break;
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}
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}
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return filtered;
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}
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/* discard all entries in the 'urls' array, which don't match 'filter */
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function filterUrlArray(urls, filter)
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{
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var filtered = [];
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// completions which don't match the url but just the description
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// list them add the end of the array
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var additionalCompletions = [];
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if (!filter) return urls.map(function ($_) {
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return [$_[0], $_[1]];
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});
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var ignorecase = false;
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if (filter == filter.toLowerCase())
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ignorecase = true;
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/*
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* Longest Common Subsequence
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* This shouldn't use buildLongestCommonSubstring
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* for performance reasons, so as not to cycle through the urls twice
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*/
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for (var i = 0; i < urls.length; i++)
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{
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var url = urls[i][0] || "";
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var title = urls[i][1] || "";
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if (ignorecase)
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{
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url = url.toLowerCase();
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title = title.toLowerCase();
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}
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if (url.indexOf(filter) == -1)
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{
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if (title.indexOf(filter) != -1)
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additionalCompletions.push([ urls[i][0], urls[i][1] ]);
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continue;
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}
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if (substrings.length == 0) // Build the substrings
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{
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var lastIndex = url.lastIndexOf(filter);
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var urlLength = url.length;
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for (var k = url.indexOf(filter); k != -1 && k <= lastIndex; k = url.indexOf(filter, k + 1))
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{
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for (var l = k + filter.length; l <= urlLength; l++)
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substrings.push(url.substring(k, l));
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}
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}
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else
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{
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substrings = substrings.filter(function ($_) {
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return url.indexOf($_) >= 0;
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});
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}
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filtered.push([urls[i][0], urls[i][1]]);
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}
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return filtered.concat(additionalCompletions);
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}
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/////////////////////////////////////////////////////////////////////////////}}}
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////////////////////// PUBLIC SECTION //////////////////////////////////////////
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/////////////////////////////////////////////////////////////////////////////{{{
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return {
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/*
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* returns the longest common substring
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* used for the 'longest' setting for wildmode
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*/
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getLongestSubstring: function ()
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{
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if (substrings.length == 0)
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return "";
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var longest = substrings[0];
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for (var i = 1; i < substrings.length; i++)
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{
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if (substrings[i].length > longest.length)
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longest = substrings[i];
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}
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return longest;
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},
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/*
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* filter a list of urls
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*
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* may consist of searchengines, filenames, bookmarks and history,
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* depending on the 'complete' option
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* if the 'complete' argument is passed like "h", it temporarily overrides the complete option
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*/
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url: function (filter, complete)
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{
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var completions = [];
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substrings = [];
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var cpt = complete || vimperator.options["complete"];
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// join all completion arrays together
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for (var i = 0; i < cpt.length; i++)
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{
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if (cpt[i] == "s")
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completions = completions.concat(this.search(filter));
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else if (cpt[i] == "b")
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completions = completions.concat(this.bookmark(filter));
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else if (cpt[i] == "h")
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completions = completions.concat(this.history(filter));
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else if (cpt[i] == "f")
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completions = completions.concat(this.file(filter, true));
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}
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return completions;
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},
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search: function (filter)
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{
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var engines = vimperator.bookmarks.getSearchEngines().concat(vimperator.bookmarks.getKeywords());
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if (!filter) return engines.map(function (engine) {
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return [engine[0], engine[1]];
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});
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var mapped = engines.map(function (engine) {
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return [[engine[0]], engine[1]];
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});
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return buildLongestCommonSubstring(mapped, filter);
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},
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history: function (filter)
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{
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var items = vimperator.history.get();
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return filterUrlArray(items, filter);
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},
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bookmark: function (filter)
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{
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var bookmarks = vimperator.bookmarks.get();
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return filterUrlArray(bookmarks, filter);
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},
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// TODO: support file:// and \ or / path separators on both platforms
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file: function (filter)
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{
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// this is now also used as part of the url completion, so the
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// substrings shouldn't be cleared for that case
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if (!arguments[1])
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substrings = [];
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var matches = filter.match(/^(.*[\/\\])(.*?)$/);
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var dir;
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if (!matches || !(dir = matches[1]))
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return [];
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var compl = matches[2] || "";
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var files = [], mapped = [];
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try
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{
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files = vimperator.io.readDirectory(dir);
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mapped = files.map(function (file) {
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return [[file.path], file.isDirectory() ? "Directory" : "File"];
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});
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}
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catch (e)
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{
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return [];
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}
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return buildLongestStartingSubstring(mapped, filter);
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},
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help: function (filter)
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{
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var helpArray = [[["introduction"], "Introductory text"],
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[["initialization"], "Initialization and startup"],
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[["mappings"], "Normal mode commands"],
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[["commands"], "Ex commands"],
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[["options"], "Configuration options"]]; // TODO: hardcoded until we have proper 'pages'
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substrings = [];
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for (var command in vimperator.commands)
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helpArray.push([command.longNames.map(function ($_) { return ":" + $_; }), command.shortHelp]);
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options = this.option(filter, true);
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helpArray = helpArray.concat(options.map(function ($_) {
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return [
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$_[0].map(function ($_) { return "'" + $_ + "'"; }),
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$_[1]
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];
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}));
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for (var map in vimperator.mappings)
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helpArray.push([map.names, map.shortHelp]);
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if (!filter) return helpArray.map(function ($_) {
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return [$_[0][0], $_[1]]; // unfiltered, use the first command
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});
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return buildLongestCommonSubstring(helpArray, filter);
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},
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command: function (filter)
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{
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substrings = [];
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var completions = [];
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if (!filter)
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{
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for (var command in vimperator.commands)
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completions.push([command.name, command.shortHelp]);
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return completions;
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}
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for (var command in vimperator.commands)
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completions.push([command.longNames, command.shortHelp]);
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return buildLongestStartingSubstring(completions, filter);
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},
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option: function (filter, unfiltered)
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{
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substrings = [];
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var optionsCompletions = [];
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var prefix = filter.match(/^no|inv/) || "";
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if (prefix)
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filter = filter.replace(prefix, "");
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if (unfiltered)
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{
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var options = [];
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for (var option in vimperator.options)
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{
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if (prefix && option.type != "boolean")
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continue;
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options.push([option.names, option.shortHelp]);
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}
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return options;
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}
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if (!filter)
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{
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var options = [];
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for (var option in vimperator.options)
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{
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if (prefix && option.type != "boolean")
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continue;
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options.push([prefix + option.name, option.shortHelp]);
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}
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return options;
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}
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// check if filter ends with =, then complete current value
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else if (filter.length > 0 && filter.lastIndexOf("=") == filter.length - 1)
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{
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filter = filter.substr(0, filter.length - 1);
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for (var option in vimperator.options)
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{
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if (option.hasName(filter))
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{
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optionsCompletions.push([filter + "=" + option.value, ""]);
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return optionsCompletions;
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}
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}
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return optionsCompletions;
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}
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// can't use b_l_s_s, since this has special requirements (the prefix)
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var filterLength = filter.length;
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for (var option in vimperator.options)
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{
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if (prefix && option.type != "boolean")
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continue;
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for (var j = 0; j < option.names.length; j++)
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{
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if (option.names[j].indexOf(filter) != 0)
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continue;
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if (substrings.length == 0)
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{
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var length = option.names[j].length;
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for (var k = filterLength; k <= length; k++)
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substrings.push(prefix + option.names[j].substring(0, k));
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}
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else
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{
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substrings = substrings.filter(function ($_) {
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return option.names[j].indexOf($_) == 0;
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});
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}
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optionsCompletions.push([prefix + option.names[j], option.shortHelp]);
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break;
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}
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}
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return optionsCompletions;
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},
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buffer: function (filter)
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{
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substrings = [];
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var items = [];
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var num = getBrowser().browsers.length;
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var title, url;
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for (var i = 0; i < num; i++)
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{
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try
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{
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title = getBrowser().getBrowserAtIndex(i).contentDocument.getElementsByTagName("title")[0].text;
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}
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catch (e)
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{
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title = "";
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}
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url = getBrowser().getBrowserAtIndex(i).contentDocument.location.href;
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if (title.indexOf(filter) == -1 && url.indexOf(filter) == -1)
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continue;
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if (title.indexOf(filter) != -1 || url.indexOf(filter) != -1)
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{
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if (title == "")
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title = "(Untitled)";
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items.push([[(i + 1) + ": " + title, (i + 1) + ": " + url], url]);
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}
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}
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if (!filter) return items.map(function ($_) {
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return [$_[0][0], $_[1]];
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});
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return buildLongestCommonSubstring(items, filter);
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},
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sidebar: function (filter)
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{
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substrings = [];
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var menu = document.getElementById("viewSidebarMenu");
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var nodes = [];
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for (var i = 0; i < menu.childNodes.length; i++)
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nodes.push([menu.childNodes[i].label, ""]);
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if (!filter)
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return nodes;
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var mapped = nodes.map(function (node) {
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return [[node[0]], node[1]];
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});
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return buildLongestCommonSubstring(mapped, filter);
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},
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javascript: function (str) // {{{
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{
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substrings = [];
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var matches = str.match(/^(.*?)(\s*\.\s*)?(\w*)$/);
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var object = "window";
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var filter = matches[3] || "";
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var start = matches[1].length - 1;
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if (matches[2])
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{
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var brackets = 0, parentheses = 0;
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outer:
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for (; start >= 0; start--)
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{
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switch (matches[1][start])
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{
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case ";":
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case "{":
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break outer;
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case "]":
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brackets--;
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break;
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case "[":
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brackets++;
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break;
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case ")":
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parentheses--;
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break;
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case "(":
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parentheses++;
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break;
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}
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if (brackets > 0 || parentheses > 0)
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break outer;
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}
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}
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object = matches[1].substr(start+1) || "window";
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var completions = [];
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try
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{
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completions = eval(
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"var comp = [];" +
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"var type = '';" +
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"var value = '';" +
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"var obj = eval(" + object + ");" +
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"for (var i in obj) {" +
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" try { type = typeof(obj[i]); } catch (e) { type = 'unknown type'; };" +
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" if (type == 'number' || type == 'string' || type == 'boolean') {" +
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" value = obj[i];" +
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" comp.push([[i], type + ': ' + value]); }" +
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// The problem with that is that you complete vimperator.
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// but can't press <Tab> to complete sub items
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// so it's better to complete vimperator and the user can do
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// .<tab> to get the sub items
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//" else if (type == 'function') {" +
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//" comp.push([[i+'('], type]); }" +
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//" else if (type == 'object') {" +
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//" comp.push([[i+'.'], type]); }" +
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" else {" +
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" comp.push([[i], type]); }" +
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"} comp;");
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}
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catch (e)
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{
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completions = [];
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}
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return buildLongestStartingSubstring(completions, filter);
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}, // }}}
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// helper function which checks if the given arguments pass "filter"
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// items must be an array of strings
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// if caseSensitive == true, be sure to pass filter already in lowercased version
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match: function (filter, items, caseSensitive)
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{
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|
if (typeof filter != "string" || !items)
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return false;
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|
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if (caseSensitive)
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{
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for (var i = 0; i < items.length; i++)
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{
|
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if (items[i].toLowerCase().indexOf(filter) > -1)
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return true;
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}
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}
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else
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{
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for (var i = 0; i < items.length; i++)
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{
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if (items[i].indexOf(filter) > -1)
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return true;
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}
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}
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return false;
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},
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exTabCompletion: function (str)
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{
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var [count, cmd, special, args] = vimperator.commands.parseCommand(str);
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var completions = [];
|
|
var start = 0;
|
|
|
|
// if there is no space between the command name and the cursor
|
|
// then get completions of the command name
|
|
var matches = str.match(/^(:*\d*)\w*$/);
|
|
if (matches)
|
|
{
|
|
completions = this.command(cmd);
|
|
start = matches[1].length;
|
|
}
|
|
else // dynamically get completions as specified with the command's completer function
|
|
{
|
|
var command = vimperator.commands.get(cmd);
|
|
if (command && command.completer)
|
|
{
|
|
matches = str.match(/^:*\d*\w+\s+/);
|
|
start = matches ? matches[0].length : 0;
|
|
|
|
// TODO: maybe we should move these checks to the complete functions
|
|
if (command.hasName("open") || command.hasName("tabopen") || command.hasName("winopen"))
|
|
{
|
|
var skip = args.match(/^(.*,\s+)(.*)/); // start after the last ", "
|
|
if (skip)
|
|
{
|
|
start += skip[1].length;
|
|
args = skip[2];
|
|
}
|
|
}
|
|
else if (command.hasName("echo") || command.hasName("echoerr") || command.hasName("javascript"))
|
|
{
|
|
var skip = args.match(/^(.*?)(\w*)$/); // start at beginning of the last word
|
|
if (skip)
|
|
start += skip[1].length;
|
|
}
|
|
|
|
completions = command.completer.call(this, args);
|
|
}
|
|
}
|
|
return [start, completions];
|
|
}
|
|
|
|
};
|
|
//}}}
|
|
}; //}}}
|
|
|
|
// vim: set fdm=marker sw=4 ts=4 et:
|