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1 /** |
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2 @constructor |
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3 */ |
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4 JSDOC.JsPlate = function(templateFile) { |
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5 if (templateFile) this.template = IO.readFile(templateFile); |
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6 |
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7 this.templateFile = templateFile; |
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8 this.code = ""; |
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9 this.parse(); |
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10 } |
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11 |
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12 JSDOC.JsPlate.prototype.parse = function() { |
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13 this.template = this.template.replace(/\{#[\s\S]+?#\}/gi, ""); |
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14 this.code = "var output=``"+this.template; |
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15 |
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16 this.code = this.code.replace( |
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17 /<for +each="(.+?)" +in="(.+?)" *>/gi, |
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18 function (match, eachName, inName) { |
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19 return "``;\rvar $"+eachName+"_keys = keys("+inName+");\rfor(var $"+eachName+"_i = 0; $"+eachName+"_i < $"+eachName+"_keys.length; $"+eachName+"_i++) {\rvar $"+eachName+"_last = ($"+eachName+"_i == $"+eachName+"_keys.length-1);\rvar $"+eachName+"_key = $"+eachName+"_keys[$"+eachName+"_i];\rvar "+eachName+" = "+inName+"[$"+eachName+"_key];\routput+=``"; |
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20 } |
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21 ); |
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22 this.code = this.code.replace(/<if test="(.+?)">/g, "``;\rif ($1) { output+=``"); |
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23 this.code = this.code.replace(/<elseif test="(.+?)"\s*\/>/g, "``;}\relse if ($1) { output+=``"); |
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24 this.code = this.code.replace(/<else\s*\/>/g, "``;}\relse { output+=``"); |
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25 this.code = this.code.replace(/<\/(if|for)>/g, "``;\r};\routput+=``"); |
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26 this.code = this.code.replace( |
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27 /\{\+\s*([\s\S]+?)\s*\+\}/gi, |
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28 function (match, code) { |
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29 code = code.replace(/"/g, "``"); // prevent qoute-escaping of inline code |
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30 code = code.replace(/(\r?\n)/g, " "); |
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31 return "``+ ("+code+") +``"; |
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32 } |
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33 ); |
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34 this.code = this.code.replace( |
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35 /\{!\s*([\s\S]+?)\s*!\}/gi, |
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36 function (match, code) { |
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37 code = code.replace(/"/g, "``"); // prevent qoute-escaping of inline code |
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38 code = code.replace(/(\n)/g, " "); |
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39 return "``; "+code+";\routput+=``"; |
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40 } |
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41 ); |
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42 this.code = this.code+"``;"; |
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43 |
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44 this.code = this.code.replace(/(\r?\n)/g, "\\n"); |
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45 this.code = this.code.replace(/"/g, "\\\""); |
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46 this.code = this.code.replace(/``/g, "\""); |
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47 } |
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48 |
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49 JSDOC.JsPlate.prototype.toCode = function() { |
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50 return this.code; |
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51 } |
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52 |
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53 JSDOC.JsPlate.keys = function(obj) { |
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54 var keys = []; |
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55 if (obj.constructor.toString().indexOf("Array") > -1) { |
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56 for (var i = 0; i < obj.length; i++) { |
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57 keys.push(i); |
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58 } |
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59 } |
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60 else { |
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61 for (var i in obj) { |
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62 keys.push(i); |
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63 } |
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64 } |
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65 return keys; |
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66 }; |
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67 |
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68 JSDOC.JsPlate.values = function(obj) { |
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69 var values = []; |
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70 if (obj.constructor.toString().indexOf("Array") > -1) { |
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71 for (var i = 0; i < obj.length; i++) { |
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72 values.push(obj[i]); |
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73 } |
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74 } |
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75 else { |
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76 for (var i in obj) { |
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77 values.push(obj[i]); |
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78 } |
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79 } |
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80 return values; |
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81 }; |
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82 |
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83 JSDOC.JsPlate.prototype.process = function(data, compact) { |
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84 var keys = JSDOC.JsPlate.keys; |
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85 var values = JSDOC.JsPlate.values; |
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86 |
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87 try { |
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88 eval(this.code); |
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89 } |
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90 catch (e) { |
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91 print(">> There was an error evaluating the compiled code from template: "+this.templateFile); |
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92 print(" The error was on line "+e.lineNumber+" "+e.name+": "+e.message); |
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93 var lines = this.code.split("\r"); |
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94 if (e.lineNumber-2 >= 0) print("line "+(e.lineNumber-1)+": "+lines[e.lineNumber-2]); |
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95 print("line "+e.lineNumber+": "+lines[e.lineNumber-1]); |
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96 print(""); |
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97 } |
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98 |
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99 if (compact) { // patch by mcbain.asm |
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100 // Remove lines that contain only space-characters, usually left by lines in the template |
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101 // which originally only contained JSPlate tags or code. This makes it easier to write |
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102 // non-tricky templates which still put out nice code (not bloated with extra lines). |
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103 // Lines purposely left blank (just a line ending) are left alone. |
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104 output = output.replace(/\s+?(\r?)\n/g, "$1\n"); |
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105 } |
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106 |
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107 /*debug*///print(this.code); |
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108 return output; |
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109 } |