mirror of
https://github.com/gryf/pentadactyl-pm.git
synced 2025-12-21 14:07:58 +01:00
723 lines
23 KiB
JavaScript
723 lines
23 KiB
JavaScript
/*
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* COMPLETION HANDLING
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*
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* also responsible for command history, url history and bookmark handling
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*/
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// array of all our bookmarks
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var g_bookmarks = [];
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var bookmarks_loaded = false;
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// array of all our history items
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var g_history = [];
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var history_loaded = false;
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// variables for the tab completion and command history:
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// -1: filled, but no selection made
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// >= 0: index of current item in the g_completions array
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const COMPLETION_UNINITIALIZED = -2; // if we need to build the completion array first
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const COMPLETION_MAXITEMS = 10;
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const COMPLETION_CONTEXTLINES = 3;
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const COMMAND_LINE_HISTORY_SIZE = 500;
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// 2 dimensional: 1st element: what to complete
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// 2nd element: help description
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var g_completions = new Array();
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// The completion substrings, used for showing the longest common match
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var g_substrings = [];
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var comp_tab_index = COMPLETION_UNINITIALIZED; // the index in the internal g_completions array
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var comp_tab_list_offset = 0; // how many items is the displayed list shifted from the internal tab index
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var comp_tab_startstring = "";
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var comp_history = new Array();
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var comp_history_index = -1;
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/* uses the entries in g_completions to fill the listbox
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* starts at index 'startindex', and shows COMPLETION_MAXITEMS
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* returns the number of items */
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function completion_fill_list(startindex)/*{{{*/
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{
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// remove all old items first
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var items = completion_list.getElementsByTagName("listitem");
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while (items.length > 0) { completion_list.removeChild(items[0]);}
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// find start index
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//var i = index - 3; // 3 lines of context
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if (startindex + COMPLETION_MAXITEMS > g_completions.length)
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startindex = g_completions.length - COMPLETION_MAXITEMS;
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if (startindex < 0)
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startindex = 0;
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for(i=startindex; i<g_completions.length && i < startindex + COMPLETION_MAXITEMS; i++)
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{
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completion_add_to_list(g_completions[i], false);
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}
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//completion_list.hidden = true;
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// completion_list.setAttribute("rows", (i-startindex).toString());
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// showStatusbarMessage ( (i-startindex).toString(), 1);
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// if ( i-startindex > 0) // XXX: respect completetopt setting
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// completion_list.hidden = false;
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// else
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// completion_list.hidden = true;
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// completion_list.setAttribute("rows", (i-startindex).toString());
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return (i-startindex);
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}/*}}}*/
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function completion_show_list()/*{{{*/
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{
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var items = g_completions.length;
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if (items > COMPLETION_MAXITEMS)
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items = COMPLETION_MAXITEMS;
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if (items > 1) // FIXME
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{
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completion_list.setAttribute("rows", items.toString());
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completion_list.hidden = false;
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}
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else
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completion_list.hidden = true;
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}/*}}}*/
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/* add a single completion item to the list */
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function completion_add_to_list(completion_item, at_beginning)/*{{{*/
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{
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var item = document.createElement("listitem");
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var cell1 = document.createElement("listcell");
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var cell2 = document.createElement("listcell");
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cell1.setAttribute("label", completion_item[0]);
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cell1.setAttribute("width", "200");
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cell2.setAttribute("label", completion_item[1]);
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cell2.setAttribute("style", "color:green; font-family: sans");
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item.appendChild(cell1);
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item.appendChild(cell2);
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if (at_beginning == true)
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{
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var items = completion_list.getElementsByTagName("listitem");
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if (items.length > 0)
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completion_list.insertBefore(item, items[0]);
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else
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completion_list.appendChild(item);
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}
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else
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completion_list.appendChild(item);
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}/*}}}*/
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/* select the next index, refill list if necessary
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*
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* changes 'comp_tab_index' */
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function completion_select_next_item(has_list, has_full, has_longest)/*{{{*/
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{
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if (has_full)
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comp_tab_index++;
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has_list = has_list || (!completion_list.hidden && (has_full || has_longest));
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if (comp_tab_index >= g_completions.length) /* wrap around */
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{
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comp_tab_index = -1;
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if (has_list && has_full)
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completion_list.selectedIndex = -1;
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return;
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}
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if (has_full)
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showStatusbarMessage(" match " + (comp_tab_index + 1).toString() + " of " + g_completions.length.toString() + " ", STATUSFIELD_PROGRESS);
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if (!has_list) return;
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if (comp_tab_index < 1) // at the top of the list
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{
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completion_fill_list(0);
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comp_tab_list_offset = 0;
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}
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var listindex = comp_tab_index - comp_tab_list_offset;
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// only move the list, if there are still items we can move
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if (listindex >= COMPLETION_MAXITEMS - COMPLETION_CONTEXTLINES &&
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comp_tab_list_offset < g_completions.length - COMPLETION_MAXITEMS)
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{
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// for speed reason: just remove old item, and add new at the end of the list
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var items = completion_list.getElementsByTagName("listitem");
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completion_list.removeChild(items[0]);
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completion_add_to_list(g_completions[comp_tab_index + COMPLETION_CONTEXTLINES], false);
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comp_tab_list_offset++;
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}
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if (has_full)
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{
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listindex = comp_tab_index - comp_tab_list_offset;
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completion_list.selectedIndex = listindex;
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}
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}/*}}}*/
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/* select the previous index, refill list if necessary
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*
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* changes 'comp_tab_index' */
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function completion_select_previous_item(has_list, has_full, has_longest)/*{{{*/
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{
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if (has_full)
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comp_tab_index--;
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has_list = has_list || (!completion_list.hidden && (has_full || has_longest));
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if (comp_tab_index == -1)
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{
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if (has_list && has_full)
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completion_list.selectedIndex = -1;
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return;
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}
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if (has_full)
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showStatusbarMessage("match " + (comp_tab_index+1).toString() + " of " + g_completions.length.toString(), STATUSFIELD_PROGRESS);
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if (comp_tab_index < -1) // go to the end of the list
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{
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comp_tab_index = g_completions.length -1;
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if (!has_list) return;
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completion_fill_list(g_completions.length - COMPLETION_MAXITEMS);
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comp_tab_list_offset = g_completions.length - COMPLETION_MAXITEMS;//COMPLETION_MAXITEMS - 1;
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if (comp_tab_list_offset < 0)
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comp_tab_list_offset = 0;
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}
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if (!has_list) return;
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var listindex = comp_tab_index - comp_tab_list_offset;
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// only move the list, if there are still items we can move
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if (listindex < COMPLETION_CONTEXTLINES && comp_tab_list_offset > 0)
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{
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// for speed reason: just remove old item, and add new at the end of the list
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if (has_list)
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{
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var items = completion_list.getElementsByTagName("listitem");
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completion_list.removeChild(items[items.length-1]);
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completion_add_to_list(g_completions[comp_tab_index - COMPLETION_CONTEXTLINES], true);
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}
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comp_tab_list_offset--;
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}
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if (has_full)
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{
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listindex = comp_tab_index - comp_tab_list_offset;
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completion_list.selectedIndex = listindex;
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}
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}/*}}}*/
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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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return longest;
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}/*}}}*/
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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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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) == -1)
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continue;
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if (g_substrings.length == 0)
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{
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var last_index = list[i][0][j].lastIndexOf(filter);
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var length = list[i][0][j].length;
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for (var k = list[i][0][j].indexOf(filter); k != -1 && k <= last_index; k = list[i][0][j].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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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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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][COMMANDS].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][COMMANDS][j].length;
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for (var k = filter_length; k <= length; k++)
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g_substrings.push(list[i][COMMANDS][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($_) {
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return list[i][COMMANDS][j].indexOf($_) == 0;
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});
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}
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filtered.push([list[i][COMMANDS][j], list[i][SHORTHELP]]);
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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 temproarily 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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g_completions = [];
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g_substrings = [];
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var cpt = complete || get_pref("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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g_completions = g_completions.concat(get_search_completions(filter));
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else if (cpt[i] == 'b')
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g_completions = g_completions.concat(get_bookmark_completions(filter));
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else if (cpt[i] == 'h')
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g_completions = g_completions.concat(get_history_completions(filter));
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else if (cpt[i] == 'f')
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g_completions = g_completions.concat(get_file_completions(filter));
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}
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return g_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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filter = filter.toLowerCase();
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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].toLowerCase();
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var title = urls[i][1].toLowerCase();
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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($_) >= 0;
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});
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}
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filtered.push([urls[i][0], urls[i][1]]);
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}
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return filtered.concat(additional_completions);
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}/*}}}*/
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function get_search_completions(filter)/*{{{*/
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{
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if (!filter) return g_searchengines.map(function($_) {
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return [$_[0], $_[1]];
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});
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var mapped = g_searchengines.map(function($_) {
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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 history = document.getElementById("hiddenHistoryTree");
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// build our history cache
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if (history_loaded == false)
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{
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if (history.hidden)
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{
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history.hidden = false;
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var globalHistory = Components.classes["@mozilla.org/browser/global-history;2"].getService(Components.interfaces.nsIRDFDataSource);
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history.database.AddDataSource(globalHistory);
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g_history = [];
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}
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if (!history.ref)
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history.ref = "NC:HistoryRoot";
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const NC_NS = "http://home.netscape.com/NC-rdf#";
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if (!gRDF)
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gRDF = Components.classes["@mozilla.org/rdf/rdf-service;1"]
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.getService(Components.interfaces.nsIRDFService);
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var nameResource = gRDF.GetResource(NC_NS + "Name");
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var builder = history.builder.QueryInterface(Components.interfaces.nsIXULTreeBuilder);
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var count = history.view.rowCount;
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for (var i = count-1; i >= 0; i--)
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{
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var res = builder.getResourceAtIndex(i);
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var url = res.Value;
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// var col = history.columns["Name"];
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//var title = history.view.getCellText(i, col);
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var title;
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var titleRes = history.database.GetTarget(res, nameResource, true);
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if (!titleRes)
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continue;
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var titleLiteral = titleRes.QueryInterface(Components.interfaces.nsIRDFLiteral);
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if(titleLiteral)
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title = titleLiteral.Value;
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else
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title = "";
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g_history.push([url, title]);
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}
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history_loaded = true;
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}
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return filter_url_array(g_history, filter);
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}/*}}}*/
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function get_bookmark_completions(filter)/*{{{*/
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{
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if (!bookmarks_loaded)
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{
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// update our bookmark cache
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var RDF = Components.classes["@mozilla.org/rdf/rdf-service;1"].getService( Components.interfaces.nsIRDFService );
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var root = RDF.GetResource( "NC:BookmarksRoot" );
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bookmarks = []; // here getAllChildren will store the bookmarks
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g_bookmarks = []; // also clear our bookmark cache
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BookmarksUtils.getAllChildren(root, bookmarks);
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// alert(bookmarks[0].length);
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for(var i = 0; i < bookmarks.length; i++)
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{
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if (bookmarks[i][0] && bookmarks[i][1])
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{
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g_bookmarks.push([bookmarks[i][1].Value, bookmarks[i][0].Value ]);
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}
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// for(var j=0; j < bookmarks[i].length; j++)
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// {
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// if(bookmarks[i][2])
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// alert("2: " + bookmarks[i][2].Value);
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// if(bookmarks[i][3])
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// alert("3: " + bookmarks[i][3].Value);
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// if(bookmarks[i][4])
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// alert("4: " + bookmarks[i][4].Value);
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// if(bookmarks[i][5])
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// alert("5: " + bookmarks[i][5].Value);
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//alert("0: " + bookmarks[i][0].Value + " - 1: " + bookmarks[i][1].Value + "- 2:" + bookmarks[i][2].Value);// + "- 3:"+ bookmarks[i][3].Value + "- 4:" + bookmarks[i][4].Value);// + "- 5:" + bookmarks[i][5].Value);
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//}
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}
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bookmarks_loaded = true;
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}
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return filter_url_array(g_bookmarks, filter);
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}/*}}}*/
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function get_file_completions(filter)/*{{{*/
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{
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g_completions = [];
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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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var fd = fopen(dir, "<");
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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 = $_.path;
|
|
if ($_.isDirectory()) path += '/';
|
|
return [[path], ''];
|
|
});
|
|
|
|
return g_completions = build_longest_starting_substring(mapped, new_filter);
|
|
}/*}}}*/
|
|
|
|
function get_help_completions(filter)/*{{{*/
|
|
{
|
|
var help_array = [];
|
|
g_substrings = [];
|
|
help_array = help_array.concat(g_commands.map(function($_) {
|
|
return [
|
|
$_[COMMANDS].map(function($_) { return ":" + $_; }),
|
|
$_[SHORTHELP]
|
|
];
|
|
}));
|
|
settings = get_settings_completions(filter, true);
|
|
help_array = help_array.concat(settings.map(function($_) {
|
|
return [
|
|
$_[COMMANDS].map(function($_) { return "'" + $_ + "'"; }),
|
|
$_[1]
|
|
];
|
|
}));
|
|
help_array = help_array.concat(g_mappings.map(function($_) {
|
|
return [ $_[COMMANDS], $_[SHORTHELP] ];
|
|
}));
|
|
|
|
if (!filter) return help_array.map(function($_) {
|
|
return [$_[COMMANDS][0], $_[1]]; // unfiltered, use the first command
|
|
});
|
|
|
|
return build_longest_common_substring(help_array, filter);
|
|
}/*}}}*/
|
|
|
|
function get_command_completions(filter)/*{{{*/
|
|
{
|
|
g_completions = [];
|
|
g_substrings = [];
|
|
if (!filter) return g_completions = g_commands.map(function($_) {
|
|
return [$_[COMMANDS][0], $_[SHORTHELP]];
|
|
});
|
|
return g_completions = build_longest_starting_substring(g_commands, filter);
|
|
}/*}}}*/
|
|
|
|
function get_settings_completions(filter, unfiltered)/*{{{*/
|
|
{
|
|
g_substrings = [];
|
|
var settings_completions = [];
|
|
var no_mode = false;
|
|
if (filter.indexOf("no") == 0) // boolean option
|
|
{
|
|
no_mode = true;
|
|
filter = filter.substr(2);
|
|
}
|
|
if (unfiltered) return g_settings.filter(function($_) {
|
|
if (no_mode && $_[TYPE] != "boolean") return false;
|
|
else return true;
|
|
}).map(function($_) {
|
|
return [$_[COMMANDS], $_[SHORTHELP]];
|
|
});
|
|
if (!filter) return g_settings.filter(function($_) {
|
|
if (no_mode && $_[TYPE] != "boolean") return false;
|
|
else return true;
|
|
}).map(function($_) {
|
|
return [$_[COMMANDS][0], $_[SHORTHELP]];
|
|
});
|
|
|
|
|
|
// check if filter ends with =, then complete current value
|
|
else if(filter.length > 0 && filter.lastIndexOf("=") == filter.length -1)
|
|
{
|
|
filter = filter.substr(0, filter.length-1);
|
|
for(var i=0; i<g_settings.length; i++)
|
|
{
|
|
for(var j=0; j<g_settings[i][COMMANDS].length; j++)
|
|
{
|
|
if (g_settings[i][COMMANDS][j] == filter)
|
|
{
|
|
settings_completions.push([filter + "=" + g_settings[i][GETFUNC].call(this), ""]);
|
|
return settings_completions;
|
|
}
|
|
}
|
|
}
|
|
return settings_completions;
|
|
}
|
|
|
|
// can't use b_l_s_s, since this has special requirements (the prefix)
|
|
var filter_length = filter.length;
|
|
for (var i = 0; i < g_settings.length; i++)
|
|
{
|
|
if (no_mode && g_settings[i][TYPE] != "boolean")
|
|
continue;
|
|
|
|
var prefix = no_mode ? 'no' : '';
|
|
for (var j = 0; j < g_settings[i][COMMANDS].length; j++)
|
|
{
|
|
if (g_settings[i][COMMANDS][j].indexOf(filter) != 0) continue;
|
|
if (g_substrings.length == 0)
|
|
{
|
|
var length = g_settings[i][COMMANDS][j].length;
|
|
for (var k = filter_length; k <= length; k++)
|
|
g_substrings.push(prefix + g_settings[i][COMMANDS][j].substring(0, k));
|
|
}
|
|
else
|
|
{
|
|
g_substrings = g_substrings.filter(function($_) {
|
|
return g_settings[i][COMMANDS][j].indexOf($_) == 0;
|
|
});
|
|
}
|
|
settings_completions.push([prefix + g_settings[i][COMMANDS][j], g_settings[i][SHORTHELP]]);
|
|
break;
|
|
}
|
|
}
|
|
|
|
return settings_completions;
|
|
}/*}}}*/
|
|
|
|
function get_buffer_completions(filter)/*{{{*/
|
|
{
|
|
g_substrings = [];
|
|
var items = [];
|
|
var num = getBrowser().browsers.length;
|
|
var title, url;
|
|
|
|
for (var i = 0; i < num; i++)
|
|
{
|
|
try
|
|
{
|
|
title = getBrowser().getBrowserAtIndex(i).contentDocument.getElementsByTagName('title')[0].text;
|
|
}
|
|
catch (e)
|
|
{
|
|
title = "";
|
|
}
|
|
|
|
url = getBrowser().getBrowserAtIndex(i).contentDocument.location.href;
|
|
|
|
if (title.indexOf(filter) == -1 && url.indexOf(filter) == -1)
|
|
continue;
|
|
|
|
|
|
if (title.indexOf(filter) != -1 || url.indexOf(filter) != -1)
|
|
{
|
|
if (title == "")
|
|
title = "(Untitled)";
|
|
items.push([[(i + 1) + ": " + title, (i + 1) + ": " + url], url]);
|
|
}
|
|
}
|
|
if (!filter) return items.map(function($_) {
|
|
return [$_[0][0], $_[1]];
|
|
});
|
|
return build_longest_common_substring(items, filter);
|
|
}/*}}}*/
|
|
|
|
////////// COMMAND HISTORY HANDLING ////////////
|
|
|
|
function add_to_command_history(str)
|
|
{
|
|
/* add string to the command line history */
|
|
if (str.length >= 2 && comp_history.push(str) > COMMAND_LINE_HISTORY_SIZE)
|
|
comp_history.shift();
|
|
}
|
|
|
|
function save_history()
|
|
{
|
|
set_pref("comp_history", comp_history.join("\n"));
|
|
}
|
|
|
|
function load_history()
|
|
{
|
|
var hist = get_pref("comp_history", "");
|
|
comp_history = hist.split("\n");
|
|
}
|
|
|
|
|
|
///////// PREVIEW WINDOW //////////////////////
|
|
|
|
/* uses the entries in completions to fill the listbox */
|
|
function preview_window_fill(completions)/*{{{*/
|
|
{
|
|
// remove all old items first
|
|
var items = preview_window.getElementsByTagName("listitem");
|
|
while (items.length > 0) { preview_window.removeChild(items[0]);}
|
|
|
|
for(i=0; i<completions.length; i++)
|
|
{
|
|
var item = document.createElement("listitem");
|
|
var cell1 = document.createElement("listcell");
|
|
var cell2 = document.createElement("listcell");
|
|
|
|
cell1.setAttribute("label", completions[i][0]);
|
|
cell2.setAttribute("label", completions[i][1]);
|
|
//cell2.setAttribute("style", "color:green; font-family: sans; text-align:right");
|
|
cell2.setAttribute("style", "color:green; font-family: sans;");
|
|
|
|
item.appendChild(cell1);
|
|
item.appendChild(cell2);
|
|
preview_window.appendChild(item);
|
|
}
|
|
}/*}}}*/
|
|
|
|
function preview_window_select(event)/*{{{*/
|
|
{
|
|
var listcell = document.getElementsByTagName("listcell");
|
|
// 2 columns for now, use the first column
|
|
var index = (preview_window.selectedIndex * 2) + 0;
|
|
var val = listcell[index].getAttribute("label");
|
|
if (val && event.button == 0 && event.type == "dblclick") // left double click
|
|
openURLs(val);
|
|
else if (val && event.button == 1) // middle click
|
|
openURLsInNewTab(val);
|
|
else
|
|
return false;
|
|
}/*}}}*/
|
|
|
|
function preview_window_show()/*{{{*/
|
|
{
|
|
var items = preview_window.getElementsByTagName("listitem").length;
|
|
var height = get_pref("previewheight");
|
|
if (items > height)
|
|
items = height;
|
|
if (items < 3) // minimum of 3 entries, drop that constraint?
|
|
items = 3;
|
|
|
|
preview_window.setAttribute("rows", items.toString());
|
|
preview_window.hidden = false;
|
|
g_bufshow = false;
|
|
}/*}}}*/
|
|
// vim: set fdm=marker sw=4 ts=4 et:
|