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in Ox.sort(), handle non-leading numbers and leading articles (fixes #723, fixes #779)

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rlx 2012-04-24 10:16:58 +00:00
parent 9790e7d6c6
commit 4a210718ea
1 changed files with 20 additions and 6 deletions
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26
source/Ox/js/Array.js
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@ -412,20 +412,21 @@ Ox.range = function() {
function getSortValues(arr, fn) {
var arr_ = fn ? arr.map(fn) : arr,
len, matches = {}, sort = {};
// find leading numbers
// find numbers
arr.forEach(function(val, i) {
var match;
if (Ox.isString(val)) {
match = /^\d+/.exec(arr_[i]);
match = /\d+/.exec(arr_[i]);
matches[val] = match ? match[0] : '';
}
});
// get length of longest leading number
// get length of longest number
len = Ox.max(Ox.map(matches, function(val) {
return val.length;
}));
// pad leading numbers, make lowercase,
// and remove leading non-word characters
// pad numbers, make lowercase,
// remove leading non-word characters
// and move leading articles to the end
arr.forEach(function(val, i) {
var val_ = arr_[i];
if (
@ -442,6 +443,15 @@ Ox.range = function() {
)
: val_
).toLowerCase().replace(/^\W+/, '');
Ox.forEach(['a', 'an', 'the'], function(article) {
var len;
if (new RegExp('^' + article + ' ', 'i').test(sort[val])) {
len = article.length;
sort[val] = sort[val].substr(len + 1) + ', '
+ sort[val].substr(0, len);
return false;
}
});
} else {
sort[val] = val_;
}
@ -450,7 +460,7 @@ Ox.range = function() {
}
/*@
Ox.sort <f> Sorts an array, handling leading digits and ignoring capitalization
Ox.sort <f> Sorts an array, handling articles and digits, ignoring capitalization
(arr) -> <a> Sorted array
(arr, fn) -> <a> Sorted array
arr <a> Array
@ -459,6 +469,10 @@ Ox.range = function() {
['9', '10', 'a', 'B', '"z"']
> Ox.sort([{id: 0, name: '80 Days'}, {id: 1, name: '8 Women'}], function(v) {return v.name})
[{id: 1, name: '8 Women'}, {id: 0, name: '80 Days'}]
> Ox.sort(['In 80 Days Around the World', 'In 9 Minutes Around the World'])
['In 9 Minutes Around the World', 'In 80 Days Around the World']
> Ox.sort(['Man', 'A Plan', 'The Canal'])
['The Canal', 'Man', 'A Plan']
@*/
Ox.sort = function(arr, fn) {
var sort = getSortValues(fn ? arr.map(fn) : arr);