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Dobrica Pavlinusic, dpavlin@rot13.org 2004-09-06 |
Dobrica Pavlinusic, dpavlin@rot13.org 2004-09-06 |
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*/ |
*/ |
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var debug = 1; |
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function bfilter_init() { |
function bfilter_init() { |
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show_status(); |
show_status(); |
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} |
} |
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} |
} |
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} |
} |
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// modified binary search to find first element with substring |
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function binarySearch(arr, find) { |
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if (!arr || |
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typeof (arr) != "object" || |
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typeof (find) == "undefined" || !arr.length) { |
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return null; |
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} |
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var low = 0; |
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var high = arr.length - 1; |
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var middlearr = parseInt(arr.length / 2); |
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var lastTry; |
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while (low <= high) { |
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var mid = (low + high) / 2; |
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var aTry = (mid < 1) ? 0 : parseInt(mid); |
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var curr = arr[aTry].substr(0,find.length).toLowerCase(); |
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if (debug) { results("low="+low+" high="+high+" lastTry="+lastTry+" "+aTry+": "+curr+"<br>"); } |
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if (curr < find) { |
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low = aTry + 1; |
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continue; |
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} |
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if (curr > find) { |
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high = aTry - 1; |
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continue; |
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} |
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if (curr == find) { |
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high = aTry - 1; |
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lastTry = aTry; |
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continue; |
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} |
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return aTry; |
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} |
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if (debug) { results("lastTry="+lastTry+"<br>"); } |
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function bfilter(document, id, find, arr) { |
if (typeof (lastTry) != "undefined") { |
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return lastTry; |
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} else { |
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return null; |
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} |
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} |
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var debug = 0; |
function bfilter(document, id, find, arr) { |
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results('',1); |
results('',1); |
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hits = 0; |
hits = 0; |
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if (find.length == min_len) { |
if (find.length == min_len) { |
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var html = ''; |
var html = ''; |
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for (var i = 0; i < arr[part].length; i++) { |
for (var i = 0; i < arr[part].length; i++) { |
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html += "<li>"+arr[part][i]+"</li>\n"; |
html += "<li>"+i+": "+arr[part][i]+"</li>\n"; |
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hits++; |
hits++; |
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} |
} |
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results(html); |
results(html); |
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} else { |
} else { |
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for (var i = 0; i < arr[part].length; i++) { |
var from = binarySearch(arr[part], find_lc); |
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var text = arr[part][i].toLowerCase(); |
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if (debug) { results(part+" "+i+": "+text); } |
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// get li element by ID |
if (from != null) { |
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if (debug) { results("cmp: "+text.substring(0,find.length)+" "+find+" ["+text+"]<br>\n"); } |
if (debug) { results("loop "+from+" ... "+arr[part].length)+"<br>\n"; } |
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for(var i = from ; i < arr[part].length ; i++) { |
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if (text.substring(0,find.length) == find_lc) { |
if (arr[part][i].substring(0,find.length).toLowerCase() != find_lc) { |
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results("<li>"+text+"</li>\n"); |
break; |
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} |
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results(i+": "+arr[part][i]+"<br>\n"); |
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hits++; |
hits++; |
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} |
} |
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} else { |
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// clean results list |
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// results("",1); |
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} |
} |
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} |
} |
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// clean clock if no results |
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if (hits == 0) { results("",1); } |
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show_status(" for <em>"+find+"</em>"); |
show_status(" for <em>"+find+"</em>"); |
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} |
} |