scratch – Blame information for rev 75
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Rev | Author | Line No. | Line |
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75 | office | 1 | |
2 | /** |
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3 | * yaml2json cli program |
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4 | */ |
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5 | |||
6 | var YAML = require('../lib/Yaml.js'); |
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7 | |||
8 | var ArgumentParser = require('argparse').ArgumentParser; |
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9 | var cli = new ArgumentParser({ |
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10 | prog: "yaml2json", |
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11 | version: require('../package.json').version, |
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12 | addHelp: true |
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13 | }); |
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14 | |||
15 | cli.addArgument( |
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16 | ['-p', '--pretty'], |
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17 | { |
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18 | help: 'Output pretty (indented) JSON.', |
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19 | action: 'storeTrue' |
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20 | } |
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21 | ); |
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22 | |||
23 | cli.addArgument( |
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24 | ['-i', '--indentation'], |
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25 | { |
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26 | action: 'store', |
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27 | type: 'int', |
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28 | help: 'Number of space characters used to indent code (use with --pretty, default: 2).', |
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29 | } |
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30 | ); |
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31 | |||
32 | cli.addArgument( |
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33 | ['-s', '--save'], |
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34 | { |
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35 | help: 'Save output inside JSON file(s) with the same name.', |
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36 | action: 'storeTrue' |
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37 | } |
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38 | ); |
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39 | |||
40 | cli.addArgument( |
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41 | ['-r', '--recursive'], |
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42 | { |
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43 | help: 'If the input is a directory, also find YAML files in sub-directories recursively.', |
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44 | action: 'storeTrue' |
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45 | } |
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46 | ); |
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47 | |||
48 | cli.addArgument( |
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49 | ['-w', '--watch'], |
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50 | { |
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51 | help: 'Watch for changes.', |
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52 | action: 'storeTrue' |
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53 | } |
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54 | ); |
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55 | |||
56 | cli.addArgument(['input'], { |
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57 | help: 'YAML file or directory containing YAML files or - to read YAML from stdin.' |
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58 | }); |
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59 | |||
60 | try { |
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61 | var options = cli.parseArgs(); |
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62 | var path = require('path'); |
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63 | var fs = require('fs'); |
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64 | var glob = require('glob'); |
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65 | |||
66 | var rootPath = process.cwd(); |
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67 | var parsePath = function(input) { |
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68 | if (input == '-') return '-'; |
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69 | var output; |
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70 | if (!(input != null)) { |
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71 | return rootPath; |
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72 | } |
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73 | output = path.normalize(input); |
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74 | if (output.length === 0) { |
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75 | return rootPath; |
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76 | } |
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77 | if (output.charAt(0) !== '/') { |
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78 | output = path.normalize(rootPath + '/./' + output); |
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79 | } |
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80 | if (output.length > 1 && output.charAt(output.length - 1) === '/') { |
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81 | return output.substr(0, output.length - 1); |
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82 | } |
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83 | return output; |
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84 | }; |
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85 | |||
86 | // Find files |
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87 | var findFiles = function(input) { |
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88 | if (input != '-' && input != null) { |
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89 | var isDirectory = fs.statSync(input).isDirectory(); |
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90 | var files = []; |
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91 | |||
92 | if (!isDirectory) { |
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93 | files.push(input); |
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94 | } |
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95 | else { |
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96 | if (options.recursive) { |
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97 | files = files.concat(glob.sync(input+'/**/*.yml')); |
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98 | files = files.concat(glob.sync(input+'/**/*.yaml')); |
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99 | } |
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100 | else { |
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101 | files = files.concat(glob.sync(input+'/*.yml')); |
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102 | files = files.concat(glob.sync(input+'/*.yaml')); |
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103 | } |
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104 | } |
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105 | |||
106 | return files; |
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107 | } |
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108 | return null; |
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109 | }; |
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110 | |||
111 | // Convert to JSON |
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112 | var convertToJSON = function(input, pretty, save, spaces, str) { |
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113 | var json; |
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114 | if (spaces == null) spaces = 2; |
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115 | if (str != null) { |
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116 | if (pretty) { |
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117 | json = JSON.stringify(YAML.parse(str), null, spaces); |
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118 | } |
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119 | else { |
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120 | json = JSON.stringify(YAML.parse(str)); |
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121 | } |
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122 | } else { |
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123 | if (pretty) { |
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124 | json = JSON.stringify(YAML.parseFile(input), null, spaces); |
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125 | } |
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126 | else { |
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127 | json = JSON.stringify(YAML.parseFile(input)); |
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128 | } |
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129 | } |
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130 | |||
131 | if (!save || input == null) { |
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132 | // Ouput result |
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133 | process.stdout.write(json+"\n"); |
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134 | } |
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135 | else { |
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136 | var output; |
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137 | if (input.substring(input.length-4) == '.yml') { |
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138 | output = input.substr(0, input.length-4) + '.json'; |
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139 | } |
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140 | else if (input.substring(input.length-5) == '.yaml') { |
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141 | output = input.substr(0, input.length-5) + '.json'; |
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142 | } |
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143 | else { |
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144 | output = input + '.json'; |
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145 | } |
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146 | |||
147 | // Write file |
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148 | var file = fs.openSync(output, 'w+'); |
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149 | fs.writeSync(file, json); |
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150 | fs.closeSync(file); |
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151 | process.stdout.write("saved "+output+"\n"); |
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152 | } |
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153 | }; |
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154 | |||
155 | var input = parsePath(options.input); |
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156 | var mtimes = []; |
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157 | |||
158 | var runCommand = function() { |
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159 | try { |
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160 | var files = findFiles(input); |
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161 | if (files != null) { |
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162 | var len = files.length; |
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163 | |||
164 | for (var i = 0; i < len; i++) { |
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165 | var file = files[i]; |
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166 | var stat = fs.statSync(file); |
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167 | var time = stat.mtime.getTime(); |
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168 | if (!stat.isDirectory()) { |
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169 | if (!mtimes[file] || mtimes[file] < time) { |
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170 | mtimes[file] = time; |
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171 | convertToJSON(file, options.pretty, options.save, options.indentation); |
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172 | } |
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173 | } |
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174 | } |
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175 | } else { |
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176 | // Read from STDIN |
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177 | var stdin = process.openStdin(); |
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178 | var data = ""; |
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179 | stdin.on('data', function(chunk) { |
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180 | data += chunk; |
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181 | }); |
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182 | stdin.on('end', function() { |
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183 | convertToJSON(null, options.pretty, options.save, options.indentation, data); |
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184 | }); |
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185 | } |
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186 | } catch (e) { |
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187 | process.stderr.write((e.message ? e.message : e)+"\n"); |
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188 | } |
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189 | }; |
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190 | |||
191 | if (!options.watch) { |
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192 | runCommand(); |
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193 | } else { |
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194 | runCommand(); |
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195 | setInterval(runCommand, 1000); |
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196 | } |
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197 | } catch (e) { |
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198 | process.stderr.write((e.message ? e.message : e)+"\n"); |
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199 | } |