diff options
| -rw-r--r-- | quicksearch.js | 165 |
1 files changed, 116 insertions, 49 deletions
diff --git a/quicksearch.js b/quicksearch.js index e4c21868b..09515dff4 100644 --- a/quicksearch.js +++ b/quicksearch.js @@ -12,6 +12,46 @@ // // Created by // Andreas Franke <afranke@mathweb.org> +// +// Contributors: +// Stephen Lee <slee@uk.bnsmc.com> + +// variable below should be initialised according to whether +// browser is IE 5.0 or earlier, but should be false for IE 5.5 + +var is_IE5=(navigator.appVersion.search(/MSIE 5.0/g)>0); + +// Bodge to get round IE5 not understanding "undefined", "shift" and "unshift" + +var no_result=is_IE5?"---":undefined; + +function do_unshift(l, s) { + if(is_IE5) { + l.length = l.length + 1; + for (var i=l.length-1; i>0; i--) { + l[i] = l[i-1]; + } + l[0] = s; + return l.length; + } + else { + return l.unshift(s); + } +} + +function do_shift(l) { + if(is_IE5) { + var l0=l[0]; + for (var i=0; i<l.length-1; i++) { + l[i] = l[i+1]; + } + l.length = l.length - 1; + return l0; + } + else { + return l.shift(); + } +} function go_to (url) { document.location.href = url; @@ -19,7 +59,7 @@ function go_to (url) { } function map(l, f) { - l1 = new Array(); + var l1 = new Array(); for (var i=0; i<l.length; i++) { l1[i] = f(l[i]); } @@ -38,7 +78,7 @@ function member(s, l) { function add(s, l) { if (! member(s, l)) { - l.unshift(s); + do_unshift(l,s); } } @@ -141,7 +181,7 @@ function findIndex(array,value) { function mapField(fieldname) { var i = findIndex(f1,fieldname); if (i >= 0) return f2[i]; - return undefined; + return no_result; } // `keywords' is defined externally @@ -165,14 +205,14 @@ function is_severity(str) { // `product_exceptions' is defined externally function match_product(str) { - s = str.toLowerCase(); + var s = str.toLowerCase(); return (s.length > 2) && (! member(s,product_exceptions)); } // `component_exceptions are defined externally function match_component(str) { - s = str.toLowerCase(); + var s = str.toLowerCase(); return (s.length > 2) && (! member(s,component_exceptions)); } @@ -222,27 +262,62 @@ function make_query_URL(url, input, searchLong) { status_and_resolution = ""; charts = ""; - var searchURL = url; //bugzilla + "buglist.cgi"; - var abort = false; + // declare all variables used in this function + + var searchURL = url; // bugzilla + "buglist.cgi" (or "query.cgi") + var abort = false; // global flag, checked upon return + + var i,j,k,l; // index counters used in 'for' loops + var parts,input2; // escape "quoted" parts of input + + var word; // array of words + // (space-separated parts of input2) + var alternative; // array of parts of an element of 'word' + // (separated by '|', sometimes by comma) + var comma_separated_words; // array of parts of an element of 'alternative' + var w; // current element of one of these arrays: + // word, alternative, comma_separated_words + + var w0; // first element of 'word' + var prefixes; // comma-separated parts of w0 + // (prefixes of status/resolution values) + + var expr; // used for 'priority' support + var n,separator; // used for 'votes' support + + var colon_separated_parts, fields,values,field; + // used for generic fields:values notation + + var chart,and,or; // counters used in add_chart + var negation; // boolean flag used in add_chart + + // `statuses_open' and `statuses_resolved' are defined externally + var statusOpen = statuses_open; + var statusResolved = statuses_resolved; + var statusAll = statusOpen.concat(statusResolved); + + // `resolutions' is defined externally + var bug_status = statusOpen.slice().reverse(); //reverse is just cosmetic + var resolution = new Array(); // escape everything between quotes: "foo bar" --> "foo%20bar" - var parts = input.split('"'); + parts = input.split('"'); if ((parts.length % 2) != 1) { alert('Unterminated quote'); abort = true; - return undefined; + return no_result; } - for (var i=1; i<parts.length; i+=2) { + for (i=1; i<parts.length; i+=2) { parts[i] = escape(parts[i]); } - var input2 = parts.join('"'); + input2 = parts.join('"'); // abort if there are still brackets if (input2.match(/[(]|[\)]/)) { alert('Brackets (...) are not supported.\n' + 'Use quotes "..." for values that contain special characters.'); abort = true; - return undefined; + return no_result; } // translate " AND "," OR "," NOT " to space,comma,dash @@ -251,20 +326,11 @@ function make_query_URL(url, input, searchLong) { input2 = input2.replace(/[\s]+NOT[\s]+/g," -"); // now split into words at space positions - var word = input2.split(/[\s]+/); + word = input2.split(/[\s]+/); // determine bug_status and resolution // the first word may contain relevant info - // `statuses_open' and `statuses_resolved' are defined externally - var statusOpen = statuses_open; - var statusResolved = statuses_resolved; - var statusAll = statusOpen.concat(statusResolved); - - // `resolutions' is defined externally - var bug_status = statusOpen.slice().reverse(); //reverse is just cosmetic - var resolution = new Array(); - // This function matches the given prefixes against the given statuses and // resolutions. Matched statuses are added to bug_status, matched // resolutions are added to resolution. Returns true iff some matches @@ -292,24 +358,24 @@ function make_query_URL(url, input, searchLong) { if (word[0] == "ALL") { // special case: search for bugs regardless of status addAll(statusResolved,bug_status); - word.shift(); + do_shift(word); } else if (word[0] == "OPEN") { // special case: search for open bugs only - word.shift(); + do_shift(word); } else if (word[0].match("^[+][A-Z]+(,[A-Z]+)*$")) { // e.g. +DUP,FIX - w0 = word.shift(); + w0 = do_shift(word); prefixes = w0.substring(1).split(","); if (! matchPrefixes(prefixes,statusResolved,resolutions)) { - word.unshift(w0); + do_unshift(word,w0); } } else if (word[0].match("^[A-Z]+(,[A-Z]+)*$")) { // e.g. NEW,ASSI,REOP,FIX bug_status = new Array(); // reset - w0 = word.shift(); + w0 = do_shift(word); prefixes = w0.split(","); if (! matchPrefixes(prefixes,statusAll,resolutions)) { - word.unshift(w0); + do_unshift(word,w0); bug_status = statusOpen.reverse(); //reset to default bug_status } } else { @@ -320,7 +386,7 @@ function make_query_URL(url, input, searchLong) { } if (resolution.length > 0) { resolution = resolution.reverse(); - resolution.unshift("---"); + do_unshift(resolution,"---"); addAll(statusResolved,bug_status); } bug_status = bug_status.reverse(); @@ -336,11 +402,11 @@ function make_query_URL(url, input, searchLong) { // end of bug_status & resolution stuff - var chart = 0; - var and = 0; - var or = 0; + chart = 0; + and = 0; + or = 0; - var negation = false; + negation = false; function negate_comparison_type(type) { switch(type) { @@ -351,6 +417,7 @@ function make_query_URL(url, input, searchLong) { // e.g. "greaterthan" alert("Can't negate comparison type: `" + type + "'"); abort = true; + return "dummy"; } } @@ -379,7 +446,7 @@ function make_query_URL(url, input, searchLong) { } } - for (var i=0; i<word.length; i++, chart++) { + for (i=0; i<word.length; i++, chart++) { w = word[i]; @@ -392,7 +459,7 @@ function make_query_URL(url, input, searchLong) { switch (w[0]) { case "+": alternative = w.substring(1).split(/[|,]/); - for (var j=0; j<alternative.length; j++) + for (j=0; j<alternative.length; j++) add_chart("short_desc","substring",alternative[j]); break; case "#": @@ -403,14 +470,14 @@ function make_query_URL(url, input, searchLong) { break; case ":": alternative = w.substring(1).split(","); - for ( var j=0; j<alternative.length; j++) { + for (j=0; j<alternative.length; j++) { add_chart("product","substring",alternative[j]); add_chart("component","substring",alternative[j]); } break; case "@": alternative = w.substring(1).split(","); - for ( var j=0; j<alternative.length; j++) + for (j=0; j<alternative.length; j++) add_chart("assigned_to","substring",alternative[j]); break; case "[": @@ -422,7 +489,7 @@ function make_query_URL(url, input, searchLong) { break; default: alternative=w.split("|"); - for (var j=0; j<alternative.length; j++) { + for (j=0; j<alternative.length; j++) { w=alternative[j]; @@ -434,18 +501,18 @@ function make_query_URL(url, input, searchLong) { } // generic field1,field2,field3:value1,value2 notation if (w.match("^[^:]+[:][^:\/][^:]*$")) { - parts = w.split(":"); - fields = parts[0].split(/[,]+/); - values = parts[1].split(/[,]+/); - for (var k=0; k<fields.length; k++) { + colon_separated_parts = w.split(":"); + fields = colon_separated_parts[0].split(/[,]+/); + values = colon_separated_parts[1].split(/[,]+/); + for (k=0; k<fields.length; k++) { field = mapField(fields[k]); - if (field == undefined) { + if (field == no_result) { alert("`"+fields[k]+"'"+ " is not a valid field name."); abort = true; - return undefined; + return no_result; } else { - for (var l=0; l<values.length; l++) { + for (l=0; l<values.length; l++) { add_chart(field,"substring",values[l]); } } @@ -453,7 +520,7 @@ function make_query_URL(url, input, searchLong) { continue; } comma_separated_words=w.split(/[,]+/); - for (var k=0; k<comma_separated_words.length; k++) { + for (k=0; k<comma_separated_words.length; k++) { w=comma_separated_words[k]; // platform @@ -531,7 +598,7 @@ function make_query_URL(url, input, searchLong) { if (abort == false) { return searchURL; } else { - return undefined; + return no_result; } } @@ -542,7 +609,7 @@ function unique_id () { function ShowURL(mode) { var input = document.f.id.value; var searchURL = make_query_URL(bugzilla+"buglist.cgi", input, false); - if (searchURL != undefined) { + if (searchURL != no_result) { var pieces = searchURL.replace(/[\?]/g,"\n?").replace(/[\&]/g,"\n&"); if (mode == "alert") { alert(pieces); @@ -601,7 +668,7 @@ function Search(url, input, searchLong) { return; } var searchURL = make_query_URL(url, inputstring, searchLong); - if (searchURL != undefined) { + if (searchURL != no_result) { go_to(searchURL); //window.open(searchURL, "other" ); } else { |