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/*jslint node:true,nomen:false */
(function(exports){
var matchObj, matchArray, singleMatch;
singleMatch = function(field,s) {
var oneMatch = false, t, re, i, j;
// for numbers, exact match; for strings, ignore-case match; for anything else, no match
t = typeof(field);
if (field === null) {
oneMatch = s === null;
} else if (field === undefined) {
oneMatch = false;
} else if (t === "number") {
oneMatch = field === s;
} else if (t === "string") {
re = new RegExp(s,"i");
oneMatch = field && field.match(re) !== null;
} else if (typeof(field.length) !== "undefined") {
// array, so go through each
for (j=0;j<field.length;j++) {
oneMatch = singleMatch(field[j],s);
if (oneMatch) {
break;
}
}
} else if (typeof(field) === "object") {
oneMatch = field[s] !== undefined;
}
return(oneMatch);
};
matchArray = function(ary,search) {
var matched = false, i, ret = [];
if (ary && ary.length > 0) {
for (i=0;i<ary.length;i++) {
matched = matchObj(ary[i],search);
if (matched) {
ret.push(ary[i]);
}
}
}
return(ret);
};
matchObj = function(obj,search) {
var i, j, matched, oneMatch, t, re, reMatch, negator, joinAnd, ary;
search = search || {};
// did we have a negator?
negator = search._not ? true : false;
// do we join via AND or OR
joinAnd = search._join && search._join === "OR" ? false : true;
// if joinAnd, then matched=true until we have a single non-match; if !joinAnd, then matched=false until we have a single match
matched = joinAnd ? true : false;
// are we a primitive or a composite?
if (search.terms) {
for (j=0; j<search.terms.length; j++) {
oneMatch = matchObj(obj,search.terms[j]);
if (negator) {
oneMatch = !oneMatch;
}
// if AND, a single match failure makes all fail, and we break
// if OR, a single match success makes all succeed, and we break
if (joinAnd && !oneMatch) {
matched = false;
break;
} else if (!joinAnd && oneMatch) {
matched = true;
break;
}
}
} else {
// match to the search field
for(i in search) {
if (search.hasOwnProperty(i) && i.indexOf("_") !== 0) {
// match each one, if search[i] is an array - just concat to be safe
ary = [].concat(search[i]);
for (j=0;j<ary.length;j++) {
oneMatch = (ary[j] !== undefined && obj[i] !== undefined) ? oneMatch = singleMatch(obj[i],ary[j]) : false;
if (oneMatch) {
break;
}
}
// negator
if (negator) {
oneMatch = !oneMatch;
}
// if AND, a single match failure makes all fail, and we break
// if OR, a single match success makes all succeed, and we break
if (joinAnd && !oneMatch) {
matched = false;
break;
} else if (!joinAnd && oneMatch) {
matched = true;
break;
}
}
}
}
return(matched);
};
exports.matchArray = matchArray;
exports.matchObject = matchObj;
}(typeof module === "undefined" || typeof module.exports === "undefined" ? this.SEARCHJS = {} : module.exports));
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