| 1 | var JSAN = { |
| 2 | global: this, |
| 3 | use: function (module, symbols) { |
| 4 | var components = module.split(/\./); |
| 5 | var fn = components.join('/') + '.js'; |
| 6 | var o = JSAN.global; |
| 7 | var i, c; |
| 8 | for (i = 0; i < components.length; i++) { |
| 9 | o = o[components[i]]; |
| 10 | if (typeof(o) == 'undefined') { |
| 11 | break; |
| 12 | } |
| 13 | } |
| 14 | if (typeof(o) != 'undefined') { |
| 15 | return o; |
| 16 | } |
| 17 | |
| 18 | load(fn); |
| 19 | o = JSAN.global; |
| 20 | for (i = 0; i < components.length; i++) { |
| 21 | o = o[components[i]]; |
| 22 | if (typeof(o) == 'undefined') { |
| 23 | return undefined; |
| 24 | } |
| 25 | } |
| 26 | if (!symbols) { |
| 27 | var tags = o.EXPORT_TAGS; |
| 28 | if (tags) { |
| 29 | symbols = tags[':common'] || tags[':all']; |
| 30 | } |
| 31 | } |
| 32 | if (symbols) { |
| 33 | for (i = 0; i < symbols.length; i++) { |
| 34 | c = symbols[i]; |
| 35 | JSAN.global[c] = o[c]; |
| 36 | } |
| 37 | } |
| 38 | return o; |
| 39 | } |
| 40 | }; |