mirror of
https://github.com/gryf/pentadactyl-pm.git
synced 2025-12-21 18:27:57 +01:00
453 lines
13 KiB
JavaScript
453 lines
13 KiB
JavaScript
// The completion substrings, used for showing the longest common match
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var g_substrings = [];
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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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*/
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function get_longest_substring() //{{{
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{
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if (g_substrings.length == 0)
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return '';
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var longest = g_substrings[0];
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for (var i = 1; i < g_substrings.length; i++)
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{
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if (g_substrings[i].length > longest.length)
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longest = g_substrings[i];
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}
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//alert(longest);
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return longest;
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} //}}}
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// function uses smartcase
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// list = [ [['com1', 'com2'], 'text'], [['com3', 'com4'], 'text'] ]
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function build_longest_common_substring(list, filter) //{{{
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{
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var filtered = [];
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//var filter_length = filter.length;
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//filter = filter.toLowerCase();
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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 (g_substrings.length == 0)
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{
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//alert('if: ' + item);
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var last_index = item.lastIndexOf(filter);
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var length = item.length;
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for (var k = item.indexOf(filter); k != -1 && k <= last_index; 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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g_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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//alert('else: ' + item);
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g_substrings = g_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 */
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function build_longest_starting_substring(list, filter) //{{{
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{
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var filtered = [];
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//var filter_length = filter.length;
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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 (g_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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g_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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g_substrings = g_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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/*
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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 tempoarily overrides the complete option
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*/
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function get_url_completions(filter, complete) //{{{
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{
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var completions = new Array();
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g_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(get_search_completions(filter));
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else if (cpt[i] == 'b')
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completions = completions.concat(get_bookmark_completions(filter));
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else if (cpt[i] == 'h')
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completions = completions.concat(get_history_completions(filter));
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else if (cpt[i] == 'f')
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completions = completions.concat(get_file_completions(filter, true));
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}
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return completions;
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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 filter_url_array(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 additional_completions = [];
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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 filter_length = filter.length;
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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 build_longest_common_substring
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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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additional_completions.push([ urls[i][0], urls[i][1] ]);
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continue;
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}
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if (g_substrings.length == 0) // Build the substrings
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{
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var last_index = url.lastIndexOf(filter);
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var url_length = url.length;
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for (var k = url.indexOf(filter); k != -1 && k <= last_index; k = url.indexOf(filter, k + 1))
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{
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for (var l = k + filter.length; l <= url_length; l++)
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g_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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g_substrings = g_substrings.filter(function($_) {
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return url.indexOf($_) >= 0;
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});
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}
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filtered.push([urls[i][0], urls[i][1]]);
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}
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return filtered.concat(additional_completions);
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} //}}}
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function get_search_completions(filter) //{{{
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{
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var engines = vimperator.bookmarks.getSearchEngines().concat(vimperator.bookmarks.getKeywords());
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if (!filter) return engines.map(function($_) {
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return [$_[0], $_[1]];
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});
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var mapped = engines.map(function($_) {
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return [[$_[0]], $_[1]];
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});
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return build_longest_common_substring(mapped, filter);
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} //}}}
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function get_history_completions(filter) //{{{
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{
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var items = vimperator.history.get();
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return filter_url_array(items, filter);
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} //}}}
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function get_bookmark_completions(filter) //{{{
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{
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var bookmarks = vimperator.bookmarks.get();
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return filter_url_array(bookmarks, filter);
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} //}}}
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function get_file_completions(filter) //{{{
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{
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//var completions = new Array();
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/* This is now also used as part of the url completion, so the substrings shouldn't be cleared for that case */
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if (!arguments[1])
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g_substrings = [];
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var match = filter.match(/^(.*[\/\\])(.*?)$/);
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var dir;
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if (!match || !(dir = match[1]))
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return [];
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var compl = match[2] || '';
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try {
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var fd = fopen(dir, "<");
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} catch(e) {
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// thrown if file does not exist
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return [ ];
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}
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if (!fd)
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return [];
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var entries = fd.read();
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var delim = fd.path.length == 1 ? '' : (fd.path.search(/\\/) != -1) ? "\\" : "/";
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var new_filter = fd.path + delim + compl;
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if (!filter) return entries.map(function($_) {
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var path = $_.path;
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if ($_.isDirectory()) path += '/';
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return [path, ''];
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});
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var mapped = entries.map(function($_) {
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var path = $_.path;
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if ($_.isDirectory()) path += '/';
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return [[path], ''];
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});
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return build_longest_starting_substring(mapped, new_filter);
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} //}}}
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function get_help_completions(filter) //{{{
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{
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var help_array = [[["introduction"], "Introductory text"],
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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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g_substrings = [];
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for (var command in vimperator.commands)
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{
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help_array.push([command.long_names.map(function($_) {
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return ":" + $_;
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}),
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command.short_help])
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}
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options = get_options_completions(filter, true);
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help_array = help_array.concat(options.map(function($_) {
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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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help_array.push([map.names, map.short_help])
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if (!filter) return help_array.map(function($_) {
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return [$_[0][0], $_[1]]; // unfiltered, use the first command
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});
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return build_longest_common_substring(help_array, filter);
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} //}}}
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function get_command_completions(filter) //{{{
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{
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//g_completions = [];
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g_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.short_help]);
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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.long_names, command.short_help]);
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return build_longest_starting_substring(completions, filter);
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} //}}}
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function get_options_completions(filter, unfiltered) //{{{
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{
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g_substrings = [];
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var options_completions = [];
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var no_mode = false;
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if (filter.indexOf("no") == 0) // boolean option
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{
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no_mode = true;
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filter = filter.substr(2);
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}
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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 (no_mode && option.type != "boolean")
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continue;
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options.push([option.names, option.short_help])
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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 (no_mode && option.type != "boolean")
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continue;
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var prefix = no_mode ? 'no' : '';
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options.push([prefix + option.name, option.short_help])
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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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options_completions.push([filter + "=" + option.value, ""]);
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return options_completions;
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}
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}
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return options_completions;
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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 filter_length = filter.length;
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for (var option in vimperator.options)
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{
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if (no_mode && option.type != "boolean")
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continue;
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var prefix = no_mode ? 'no' : '';
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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 (g_substrings.length == 0)
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{
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var length = option.names[j].length;
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for (var k = filter_length; k <= length; k++)
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g_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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g_substrings = g_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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options_completions.push([prefix + option.names[j], option.short_help]);
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break;
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}
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}
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return options_completions;
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} //}}}
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function get_buffer_completions(filter) //{{{
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{
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g_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], $_[1]];
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});
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return build_longest_common_substring(items, filter);
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} //}}}
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function exTabCompletion(str) //{{{
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{
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var [count, cmd, special, args] = tokenize_ex(str);
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var completions = new Array;
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var start = 0;
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// if there is no space between the command name and the cursor
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// then get completions of the command name
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var matches = str.match(/^(:*\d*)\w*$/);
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if(matches)
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{
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completions = get_command_completions(cmd);
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start = matches[1].length;
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}
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else // dynamically get completions as specified with the command's completer function
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{
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var command = vimperator.commands.get(cmd);
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if (command && command.completer)
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{
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completions = command.completer.call(this, args);
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// if (command[0][0] == "open" ||
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// command[0][0] == "tabopen" ||
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// command[0][0] == "winopen")
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// start = str.search(/^:*\d*\w+(\s+|.*\|)/); // up to the last | or the first space
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// else
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matches = str.match(/^:*\d*\w+\s+/); // up to the first spaces only
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start = matches[0].length;
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}
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}
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return [start, completions];
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} //}}}
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// vim: set fdm=marker sw=4 ts=4 et:
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