| 1 | 'use strict';
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| 2 |
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| 3 | var jade = require('jade');
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| 4 | var util = require('util');
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| 5 | var BaseCompiler = jade.Compiler;
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| 6 |
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| 7 | function Compiler () {
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| 8 | BaseCompiler.apply(this, arguments);
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| 9 | }
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| 10 |
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| 11 | util.inherits(Compiler, BaseCompiler);
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| 12 |
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| 13 | Compiler.prototype.visitEach = function (each) {
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| 14 | this.buf.push(''
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| 15 | + '// iterate ' + each.obj + '\n'
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| 16 | + ';(function(){\n'
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| 17 | + ' var $$local = locals["' + each.val + '"];\n'
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| 18 | + ' var $$obj = ' + each.obj + ';\n'
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| 19 | + ' if (\'number\' == typeof $$obj.length) {\n');
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| 20 |
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| 21 | if (each.alternative) {
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| 22 | this.buf.push(' if ($$obj.length) {');
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| 23 | }
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| 24 |
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| 25 | this.buf.push(''
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| 26 | + ' for (var ' + each.key + ' = 0, $$l = $$obj.length; ' + each.key + ' < $$l; ' + each.key + '++) {\n'
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| 27 | + ' var ' + each.val + ' = locals["' + each.val + '"] = $$obj[' + each.key + '];\n');
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| 28 |
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| 29 | this.visit(each.block);
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| 30 |
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| 31 | this.buf.push(' }\n');
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| 32 |
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| 33 | if (each.alternative) {
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| 34 | this.buf.push(' } else {');
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| 35 | this.visit(each.alternative);
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| 36 | this.buf.push(' }');
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| 37 | }
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| 38 |
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| 39 | this.buf.push(''
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| 40 | + ' } else {\n'
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| 41 | + ' var $$l = 0;\n'
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| 42 | + ' for (var ' + each.key + ' in $$obj) {\n'
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| 43 | + ' $$l++;'
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| 44 | + ' var ' + each.val + ' = locals["' + each.val + '"] = $$obj[' + each.key + '];\n');
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| 45 |
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| 46 | this.visit(each.block);
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| 47 |
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| 48 | this.buf.push(' }\n');
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| 49 | if (each.alternative) {
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| 50 | this.buf.push(' if ($$l === 0) {');
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| 51 | this.visit(each.alternative);
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| 52 | this.buf.push(' }');
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| 53 | }
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| 54 |
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| 55 | this.buf.push(''
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| 56 | + ' locals["' + each.val + '"] = $$local;\n'
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| 57 | + ' }\n}).call(this);\n');
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| 58 | };
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| 59 |
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| 60 | module.exports = Compiler;
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