scratch – Blame information for rev 66
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Rev | Author | Line No. | Line |
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66 | office | 1 | <?php |
2 | /** |
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3 | * Spyc -- A Simple PHP YAML Class |
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4 | * @version 0.6.2 |
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5 | * @author Vlad Andersen <vlad.andersen@gmail.com> |
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6 | * @author Chris Wanstrath <chris@ozmm.org> |
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7 | * @link https://github.com/mustangostang/spyc/ |
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8 | * @copyright Copyright 2005-2006 Chris Wanstrath, 2006-2011 Vlad Andersen |
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9 | * @license http://www.opensource.org/licenses/mit-license.php MIT License |
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10 | * @package Spyc |
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11 | */ |
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12 | |||
13 | if (!function_exists('spyc_load')) { |
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14 | /** |
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15 | * Parses YAML to array. |
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16 | * @param string $string YAML string. |
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17 | * @return array |
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18 | */ |
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19 | function spyc_load ($string) { |
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20 | return Spyc::YAMLLoadString($string); |
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21 | } |
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22 | } |
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23 | |||
24 | if (!function_exists('spyc_load_file')) { |
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25 | /** |
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26 | * Parses YAML to array. |
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27 | * @param string $file Path to YAML file. |
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28 | * @return array |
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29 | */ |
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30 | function spyc_load_file ($file) { |
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31 | return Spyc::YAMLLoad($file); |
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32 | } |
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33 | } |
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34 | |||
35 | if (!function_exists('spyc_dump')) { |
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36 | /** |
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37 | * Dumps array to YAML. |
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38 | * @param array $data Array. |
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39 | * @return string |
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40 | */ |
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41 | function spyc_dump ($data) { |
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42 | return Spyc::YAMLDump($data, false, false, true); |
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43 | } |
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44 | } |
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45 | |||
46 | if (!class_exists('Spyc')) { |
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47 | |||
48 | /** |
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49 | * The Simple PHP YAML Class. |
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50 | * |
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51 | * This class can be used to read a YAML file and convert its contents |
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52 | * into a PHP array. It currently supports a very limited subsection of |
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53 | * the YAML spec. |
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54 | * |
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55 | * Usage: |
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56 | * <code> |
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57 | * $Spyc = new Spyc; |
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58 | * $array = $Spyc->load($file); |
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59 | * </code> |
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60 | * or: |
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61 | * <code> |
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62 | * $array = Spyc::YAMLLoad($file); |
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63 | * </code> |
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64 | * or: |
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65 | * <code> |
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66 | * $array = spyc_load_file($file); |
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67 | * </code> |
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68 | * @package Spyc |
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69 | */ |
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70 | class Spyc { |
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71 | |||
72 | // SETTINGS |
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73 | |||
74 | const REMPTY = "\0\0\0\0\0"; |
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75 | |||
76 | /** |
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77 | * Setting this to true will force YAMLDump to enclose any string value in |
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78 | * quotes. False by default. |
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79 | * |
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80 | * @var bool |
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81 | */ |
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82 | public $setting_dump_force_quotes = false; |
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83 | |||
84 | /** |
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85 | * Setting this to true will forse YAMLLoad to use syck_load function when |
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86 | * possible. False by default. |
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87 | * @var bool |
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88 | */ |
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89 | public $setting_use_syck_is_possible = false; |
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90 | |||
91 | |||
92 | |||
93 | /**#@+ |
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94 | * @access private |
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95 | * @var mixed |
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96 | */ |
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97 | private $_dumpIndent; |
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98 | private $_dumpWordWrap; |
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99 | private $_containsGroupAnchor = false; |
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100 | private $_containsGroupAlias = false; |
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101 | private $path; |
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102 | private $result; |
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103 | private $LiteralPlaceHolder = '___YAML_Literal_Block___'; |
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104 | private $SavedGroups = array(); |
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105 | private $indent; |
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106 | /** |
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107 | * Path modifier that should be applied after adding current element. |
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108 | * @var array |
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109 | */ |
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110 | private $delayedPath = array(); |
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111 | |||
112 | /**#@+ |
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113 | * @access public |
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114 | * @var mixed |
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115 | */ |
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116 | public $_nodeId; |
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117 | |||
118 | /** |
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119 | * Load a valid YAML string to Spyc. |
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120 | * @param string $input |
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121 | * @return array |
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122 | */ |
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123 | public function load ($input) { |
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124 | return $this->_loadString($input); |
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125 | } |
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126 | |||
127 | /** |
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128 | * Load a valid YAML file to Spyc. |
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129 | * @param string $file |
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130 | * @return array |
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131 | */ |
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132 | public function loadFile ($file) { |
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133 | return $this->_load($file); |
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134 | } |
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135 | |||
136 | /** |
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137 | * Load YAML into a PHP array statically |
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138 | * |
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139 | * The load method, when supplied with a YAML stream (string or file), |
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140 | * will do its best to convert YAML in a file into a PHP array. Pretty |
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141 | * simple. |
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142 | * Usage: |
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143 | * <code> |
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144 | * $array = Spyc::YAMLLoad('lucky.yaml'); |
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145 | * print_r($array); |
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146 | * </code> |
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147 | * @access public |
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148 | * @return array |
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149 | * @param string $input Path of YAML file or string containing YAML |
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150 | */ |
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151 | public static function YAMLLoad($input) { |
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152 | $Spyc = new Spyc; |
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153 | return $Spyc->_load($input); |
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154 | } |
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155 | |||
156 | /** |
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157 | * Load a string of YAML into a PHP array statically |
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158 | * |
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159 | * The load method, when supplied with a YAML string, will do its best |
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160 | * to convert YAML in a string into a PHP array. Pretty simple. |
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161 | * |
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162 | * Note: use this function if you don't want files from the file system |
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163 | * loaded and processed as YAML. This is of interest to people concerned |
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164 | * about security whose input is from a string. |
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165 | * |
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166 | * Usage: |
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167 | * <code> |
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168 | * $array = Spyc::YAMLLoadString("---\n0: hello world\n"); |
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169 | * print_r($array); |
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170 | * </code> |
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171 | * @access public |
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172 | * @return array |
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173 | * @param string $input String containing YAML |
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174 | */ |
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175 | public static function YAMLLoadString($input) { |
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176 | $Spyc = new Spyc; |
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177 | return $Spyc->_loadString($input); |
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178 | } |
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179 | |||
180 | /** |
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181 | * Dump YAML from PHP array statically |
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182 | * |
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183 | * The dump method, when supplied with an array, will do its best |
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184 | * to convert the array into friendly YAML. Pretty simple. Feel free to |
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185 | * save the returned string as nothing.yaml and pass it around. |
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186 | * |
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187 | * Oh, and you can decide how big the indent is and what the wordwrap |
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188 | * for folding is. Pretty cool -- just pass in 'false' for either if |
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189 | * you want to use the default. |
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190 | * |
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191 | * Indent's default is 2 spaces, wordwrap's default is 40 characters. And |
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192 | * you can turn off wordwrap by passing in 0. |
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193 | * |
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194 | * @access public |
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195 | * @return string |
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196 | * @param array|\stdClass $array PHP array |
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197 | * @param int $indent Pass in false to use the default, which is 2 |
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198 | * @param int $wordwrap Pass in 0 for no wordwrap, false for default (40) |
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199 | * @param bool $no_opening_dashes Do not start YAML file with "---\n" |
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200 | */ |
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201 | public static function YAMLDump($array, $indent = false, $wordwrap = false, $no_opening_dashes = false) { |
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202 | $spyc = new Spyc; |
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203 | return $spyc->dump($array, $indent, $wordwrap, $no_opening_dashes); |
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204 | } |
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205 | |||
206 | |||
207 | /** |
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208 | * Dump PHP array to YAML |
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209 | * |
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210 | * The dump method, when supplied with an array, will do its best |
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211 | * to convert the array into friendly YAML. Pretty simple. Feel free to |
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212 | * save the returned string as tasteful.yaml and pass it around. |
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213 | * |
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214 | * Oh, and you can decide how big the indent is and what the wordwrap |
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215 | * for folding is. Pretty cool -- just pass in 'false' for either if |
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216 | * you want to use the default. |
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217 | * |
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218 | * Indent's default is 2 spaces, wordwrap's default is 40 characters. And |
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219 | * you can turn off wordwrap by passing in 0. |
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220 | * |
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221 | * @access public |
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222 | * @return string |
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223 | * @param array $array PHP array |
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224 | * @param int $indent Pass in false to use the default, which is 2 |
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225 | * @param int $wordwrap Pass in 0 for no wordwrap, false for default (40) |
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226 | */ |
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227 | public function dump($array,$indent = false,$wordwrap = false, $no_opening_dashes = false) { |
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228 | // Dumps to some very clean YAML. We'll have to add some more features |
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229 | // and options soon. And better support for folding. |
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230 | |||
231 | // New features and options. |
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232 | if ($indent === false or !is_numeric($indent)) { |
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233 | $this->_dumpIndent = 2; |
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234 | } else { |
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235 | $this->_dumpIndent = $indent; |
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236 | } |
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237 | |||
238 | if ($wordwrap === false or !is_numeric($wordwrap)) { |
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239 | $this->_dumpWordWrap = 40; |
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240 | } else { |
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241 | $this->_dumpWordWrap = $wordwrap; |
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242 | } |
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243 | |||
244 | // New YAML document |
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245 | $string = ""; |
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246 | if (!$no_opening_dashes) $string = "---\n"; |
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247 | |||
248 | // Start at the base of the array and move through it. |
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249 | if ($array) { |
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250 | $array = (array)$array; |
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251 | $previous_key = -1; |
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252 | foreach ($array as $key => $value) { |
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253 | if (!isset($first_key)) $first_key = $key; |
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254 | $string .= $this->_yamlize($key,$value,0,$previous_key, $first_key, $array); |
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255 | $previous_key = $key; |
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256 | } |
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257 | } |
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258 | return $string; |
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259 | } |
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260 | |||
261 | /** |
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262 | * Attempts to convert a key / value array item to YAML |
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263 | * @access private |
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264 | * @return string |
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265 | * @param $key The name of the key |
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266 | * @param $value The value of the item |
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267 | * @param $indent The indent of the current node |
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268 | */ |
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269 | private function _yamlize($key,$value,$indent, $previous_key = -1, $first_key = 0, $source_array = null) { |
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270 | if(is_object($value)) $value = (array)$value; |
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271 | if (is_array($value)) { |
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272 | if (empty ($value)) |
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273 | return $this->_dumpNode($key, array(), $indent, $previous_key, $first_key, $source_array); |
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274 | // It has children. What to do? |
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275 | // Make it the right kind of item |
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276 | $string = $this->_dumpNode($key, self::REMPTY, $indent, $previous_key, $first_key, $source_array); |
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277 | // Add the indent |
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278 | $indent += $this->_dumpIndent; |
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279 | // Yamlize the array |
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280 | $string .= $this->_yamlizeArray($value,$indent); |
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281 | } elseif (!is_array($value)) { |
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282 | // It doesn't have children. Yip. |
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283 | $string = $this->_dumpNode($key, $value, $indent, $previous_key, $first_key, $source_array); |
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284 | } |
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285 | return $string; |
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286 | } |
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287 | |||
288 | /** |
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289 | * Attempts to convert an array to YAML |
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290 | * @access private |
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291 | * @return string |
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292 | * @param $array The array you want to convert |
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293 | * @param $indent The indent of the current level |
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294 | */ |
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295 | private function _yamlizeArray($array,$indent) { |
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296 | if (is_array($array)) { |
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297 | $string = ''; |
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298 | $previous_key = -1; |
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299 | foreach ($array as $key => $value) { |
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300 | if (!isset($first_key)) $first_key = $key; |
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301 | $string .= $this->_yamlize($key, $value, $indent, $previous_key, $first_key, $array); |
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302 | $previous_key = $key; |
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303 | } |
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304 | return $string; |
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305 | } else { |
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306 | return false; |
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307 | } |
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308 | } |
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309 | |||
310 | /** |
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311 | * Returns YAML from a key and a value |
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312 | * @access private |
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313 | * @return string |
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314 | * @param $key The name of the key |
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315 | * @param $value The value of the item |
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316 | * @param $indent The indent of the current node |
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317 | */ |
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318 | private function _dumpNode($key, $value, $indent, $previous_key = -1, $first_key = 0, $source_array = null) { |
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319 | // do some folding here, for blocks |
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320 | if (is_string ($value) && ((strpos($value,"\n") !== false || strpos($value,": ") !== false || strpos($value,"- ") !== false || |
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321 | strpos($value,"*") !== false || strpos($value,"#") !== false || strpos($value,"<") !== false || strpos($value,">") !== false || strpos ($value, '%') !== false || strpos ($value, ' ') !== false || |
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322 | strpos($value,"[") !== false || strpos($value,"]") !== false || strpos($value,"{") !== false || strpos($value,"}") !== false) || strpos($value,"&") !== false || strpos($value, "'") !== false || strpos($value, "!") === 0 || |
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323 | substr ($value, -1, 1) == ':') |
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324 | ) { |
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325 | $value = $this->_doLiteralBlock($value,$indent); |
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326 | } else { |
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327 | $value = $this->_doFolding($value,$indent); |
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328 | } |
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329 | |||
330 | if ($value === array()) $value = '[ ]'; |
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331 | if ($value === "") $value = '""'; |
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332 | if (self::isTranslationWord($value)) { |
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333 | $value = $this->_doLiteralBlock($value, $indent); |
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334 | } |
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335 | if (trim ($value) != $value) |
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336 | $value = $this->_doLiteralBlock($value,$indent); |
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337 | |||
338 | if (is_bool($value)) { |
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339 | $value = $value ? "true" : "false"; |
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340 | } |
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341 | |||
342 | if ($value === null) $value = 'null'; |
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343 | if ($value === "'" . self::REMPTY . "'") $value = null; |
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344 | |||
345 | $spaces = str_repeat(' ',$indent); |
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346 | |||
347 | //if (is_int($key) && $key - 1 == $previous_key && $first_key===0) { |
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348 | if (is_array ($source_array) && array_keys($source_array) === range(0, count($source_array) - 1)) { |
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349 | // It's a sequence |
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350 | $string = $spaces.'- '.$value."\n"; |
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351 | } else { |
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352 | // if ($first_key===0) throw new Exception('Keys are all screwy. The first one was zero, now it\'s "'. $key .'"'); |
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353 | // It's mapped |
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354 | if (strpos($key, ":") !== false || strpos($key, "#") !== false) { $key = '"' . $key . '"'; } |
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355 | $string = rtrim ($spaces.$key.': '.$value)."\n"; |
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356 | } |
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357 | return $string; |
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358 | } |
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359 | |||
360 | /** |
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361 | * Creates a literal block for dumping |
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362 | * @access private |
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363 | * @return string |
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364 | * @param $value |
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365 | * @param $indent int The value of the indent |
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366 | */ |
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367 | private function _doLiteralBlock($value,$indent) { |
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368 | if ($value === "\n") return '\n'; |
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369 | if (strpos($value, "\n") === false && strpos($value, "'") === false) { |
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370 | return sprintf ("'%s'", $value); |
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371 | } |
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372 | if (strpos($value, "\n") === false && strpos($value, '"') === false) { |
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373 | return sprintf ('"%s"', $value); |
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374 | } |
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375 | $exploded = explode("\n",$value); |
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376 | $newValue = '|'; |
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377 | if (isset($exploded[0]) && ($exploded[0] == "|" || $exploded[0] == "|-" || $exploded[0] == ">")) { |
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378 | $newValue = $exploded[0]; |
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379 | unset($exploded[0]); |
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380 | } |
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381 | $indent += $this->_dumpIndent; |
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382 | $spaces = str_repeat(' ',$indent); |
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383 | foreach ($exploded as $line) { |
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384 | $line = trim($line); |
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385 | if (strpos($line, '"') === 0 && strrpos($line, '"') == (strlen($line)-1) || strpos($line, "'") === 0 && strrpos($line, "'") == (strlen($line)-1)) { |
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386 | $line = substr($line, 1, -1); |
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387 | } |
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388 | $newValue .= "\n" . $spaces . ($line); |
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389 | } |
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390 | return $newValue; |
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391 | } |
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392 | |||
393 | /** |
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394 | * Folds a string of text, if necessary |
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395 | * @access private |
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396 | * @return string |
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397 | * @param $value The string you wish to fold |
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398 | */ |
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399 | private function _doFolding($value,$indent) { |
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400 | // Don't do anything if wordwrap is set to 0 |
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401 | |||
402 | if ($this->_dumpWordWrap !== 0 && is_string ($value) && strlen($value) > $this->_dumpWordWrap) { |
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403 | $indent += $this->_dumpIndent; |
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404 | $indent = str_repeat(' ',$indent); |
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405 | $wrapped = wordwrap($value,$this->_dumpWordWrap,"\n$indent"); |
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406 | $value = ">\n".$indent.$wrapped; |
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407 | } else { |
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408 | if ($this->setting_dump_force_quotes && is_string ($value) && $value !== self::REMPTY) |
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409 | $value = '"' . $value . '"'; |
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410 | if (is_numeric($value) && is_string($value)) |
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411 | $value = '"' . $value . '"'; |
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412 | } |
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413 | |||
414 | |||
415 | return $value; |
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416 | } |
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417 | |||
418 | private function isTrueWord($value) { |
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419 | $words = self::getTranslations(array('true', 'on', 'yes', 'y')); |
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420 | return in_array($value, $words, true); |
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421 | } |
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422 | |||
423 | private function isFalseWord($value) { |
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424 | $words = self::getTranslations(array('false', 'off', 'no', 'n')); |
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425 | return in_array($value, $words, true); |
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426 | } |
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427 | |||
428 | private function isNullWord($value) { |
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429 | $words = self::getTranslations(array('null', '~')); |
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430 | return in_array($value, $words, true); |
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431 | } |
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432 | |||
433 | private function isTranslationWord($value) { |
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434 | return ( |
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435 | self::isTrueWord($value) || |
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436 | self::isFalseWord($value) || |
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437 | self::isNullWord($value) |
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438 | ); |
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439 | } |
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440 | |||
441 | /** |
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442 | * Coerce a string into a native type |
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443 | * Reference: http://yaml.org/type/bool.html |
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444 | * TODO: Use only words from the YAML spec. |
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445 | * @access private |
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446 | * @param $value The value to coerce |
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447 | */ |
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448 | private function coerceValue(&$value) { |
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449 | if (self::isTrueWord($value)) { |
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450 | $value = true; |
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451 | } else if (self::isFalseWord($value)) { |
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452 | $value = false; |
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453 | } else if (self::isNullWord($value)) { |
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454 | $value = null; |
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455 | } |
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456 | } |
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457 | |||
458 | /** |
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459 | * Given a set of words, perform the appropriate translations on them to |
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460 | * match the YAML 1.1 specification for type coercing. |
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461 | * @param $words The words to translate |
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462 | * @access private |
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463 | */ |
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464 | private static function getTranslations(array $words) { |
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465 | $result = array(); |
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466 | foreach ($words as $i) { |
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467 | $result = array_merge($result, array(ucfirst($i), strtoupper($i), strtolower($i))); |
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468 | } |
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469 | return $result; |
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470 | } |
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471 | |||
472 | // LOADING FUNCTIONS |
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473 | |||
474 | private function _load($input) { |
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475 | $Source = $this->loadFromSource($input); |
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476 | return $this->loadWithSource($Source); |
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477 | } |
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478 | |||
479 | private function _loadString($input) { |
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480 | $Source = $this->loadFromString($input); |
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481 | return $this->loadWithSource($Source); |
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482 | } |
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483 | |||
484 | private function loadWithSource($Source) { |
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485 | if (empty ($Source)) return array(); |
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486 | if ($this->setting_use_syck_is_possible && function_exists ('syck_load')) { |
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487 | $array = syck_load (implode ("\n", $Source)); |
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488 | return is_array($array) ? $array : array(); |
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489 | } |
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490 | |||
491 | $this->path = array(); |
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492 | $this->result = array(); |
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493 | |||
494 | $cnt = count($Source); |
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495 | for ($i = 0; $i < $cnt; $i++) { |
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496 | $line = $Source[$i]; |
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497 | |||
498 | $this->indent = strlen($line) - strlen(ltrim($line)); |
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499 | $tempPath = $this->getParentPathByIndent($this->indent); |
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500 | $line = self::stripIndent($line, $this->indent); |
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501 | if (self::isComment($line)) continue; |
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502 | if (self::isEmpty($line)) continue; |
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503 | $this->path = $tempPath; |
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504 | |||
505 | $literalBlockStyle = self::startsLiteralBlock($line); |
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506 | if ($literalBlockStyle) { |
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507 | $line = rtrim ($line, $literalBlockStyle . " \n"); |
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508 | $literalBlock = ''; |
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509 | $line .= ' '.$this->LiteralPlaceHolder; |
||
510 | $literal_block_indent = strlen($Source[$i+1]) - strlen(ltrim($Source[$i+1])); |
||
511 | while (++$i < $cnt && $this->literalBlockContinues($Source[$i], $this->indent)) { |
||
512 | $literalBlock = $this->addLiteralLine($literalBlock, $Source[$i], $literalBlockStyle, $literal_block_indent); |
||
513 | } |
||
514 | $i--; |
||
515 | } |
||
516 | |||
517 | // Strip out comments |
||
518 | if (strpos ($line, '#')) { |
||
519 | $line = preg_replace('/\s*#([^"\']+)$/','',$line); |
||
520 | } |
||
521 | |||
522 | while (++$i < $cnt && self::greedilyNeedNextLine($line)) { |
||
523 | $line = rtrim ($line, " \n\t\r") . ' ' . ltrim ($Source[$i], " \t"); |
||
524 | } |
||
525 | $i--; |
||
526 | |||
527 | $lineArray = $this->_parseLine($line); |
||
528 | |||
529 | if ($literalBlockStyle) |
||
530 | $lineArray = $this->revertLiteralPlaceHolder ($lineArray, $literalBlock); |
||
531 | |||
532 | $this->addArray($lineArray, $this->indent); |
||
533 | |||
534 | foreach ($this->delayedPath as $indent => $delayedPath) |
||
535 | $this->path[$indent] = $delayedPath; |
||
536 | |||
537 | $this->delayedPath = array(); |
||
538 | |||
539 | } |
||
540 | return $this->result; |
||
541 | } |
||
542 | |||
543 | private function loadFromSource ($input) { |
||
544 | if (!empty($input) && strpos($input, "\n") === false && file_exists($input)) |
||
545 | $input = file_get_contents($input); |
||
546 | |||
547 | return $this->loadFromString($input); |
||
548 | } |
||
549 | |||
550 | private function loadFromString ($input) { |
||
551 | $lines = explode("\n",$input); |
||
552 | foreach ($lines as $k => $_) { |
||
553 | $lines[$k] = rtrim ($_, "\r"); |
||
554 | } |
||
555 | return $lines; |
||
556 | } |
||
557 | |||
558 | /** |
||
559 | * Parses YAML code and returns an array for a node |
||
560 | * @access private |
||
561 | * @return array |
||
562 | * @param string $line A line from the YAML file |
||
563 | */ |
||
564 | private function _parseLine($line) { |
||
565 | if (!$line) return array(); |
||
566 | $line = trim($line); |
||
567 | if (!$line) return array(); |
||
568 | |||
569 | $array = array(); |
||
570 | |||
571 | $group = $this->nodeContainsGroup($line); |
||
572 | if ($group) { |
||
573 | $this->addGroup($line, $group); |
||
574 | $line = $this->stripGroup ($line, $group); |
||
575 | } |
||
576 | |||
577 | if ($this->startsMappedSequence($line)) |
||
578 | return $this->returnMappedSequence($line); |
||
579 | |||
580 | if ($this->startsMappedValue($line)) |
||
581 | return $this->returnMappedValue($line); |
||
582 | |||
583 | if ($this->isArrayElement($line)) |
||
584 | return $this->returnArrayElement($line); |
||
585 | |||
586 | if ($this->isPlainArray($line)) |
||
587 | return $this->returnPlainArray($line); |
||
588 | |||
589 | |||
590 | return $this->returnKeyValuePair($line); |
||
591 | |||
592 | } |
||
593 | |||
594 | /** |
||
595 | * Finds the type of the passed value, returns the value as the new type. |
||
596 | * @access private |
||
597 | * @param string $value |
||
598 | * @return mixed |
||
599 | */ |
||
600 | private function _toType($value) { |
||
601 | if ($value === '') return ""; |
||
602 | $first_character = $value[0]; |
||
603 | $last_character = substr($value, -1, 1); |
||
604 | |||
605 | $is_quoted = false; |
||
606 | do { |
||
607 | if (!$value) break; |
||
608 | if ($first_character != '"' && $first_character != "'") break; |
||
609 | if ($last_character != '"' && $last_character != "'") break; |
||
610 | $is_quoted = true; |
||
611 | } while (0); |
||
612 | |||
613 | if ($is_quoted) { |
||
614 | $value = str_replace('\n', "\n", $value); |
||
615 | if ($first_character == "'") |
||
616 | return strtr(substr ($value, 1, -1), array ('\'\'' => '\'', '\\\''=> '\'')); |
||
617 | return strtr(substr ($value, 1, -1), array ('\\"' => '"', '\\\''=> '\'')); |
||
618 | } |
||
619 | |||
620 | if (strpos($value, ' #') !== false && !$is_quoted) |
||
621 | $value = preg_replace('/\s+#(.+)$/','',$value); |
||
622 | |||
623 | if ($first_character == '[' && $last_character == ']') { |
||
624 | // Take out strings sequences and mappings |
||
625 | $innerValue = trim(substr ($value, 1, -1)); |
||
626 | if ($innerValue === '') return array(); |
||
627 | $explode = $this->_inlineEscape($innerValue); |
||
628 | // Propagate value array |
||
629 | $value = array(); |
||
630 | foreach ($explode as $v) { |
||
631 | $value[] = $this->_toType($v); |
||
632 | } |
||
633 | return $value; |
||
634 | } |
||
635 | |||
636 | if (strpos($value,': ')!==false && $first_character != '{') { |
||
637 | $array = explode(': ',$value); |
||
638 | $key = trim($array[0]); |
||
639 | array_shift($array); |
||
640 | $value = trim(implode(': ',$array)); |
||
641 | $value = $this->_toType($value); |
||
642 | return array($key => $value); |
||
643 | } |
||
644 | |||
645 | if ($first_character == '{' && $last_character == '}') { |
||
646 | $innerValue = trim(substr ($value, 1, -1)); |
||
647 | if ($innerValue === '') return array(); |
||
648 | // Inline Mapping |
||
649 | // Take out strings sequences and mappings |
||
650 | $explode = $this->_inlineEscape($innerValue); |
||
651 | // Propagate value array |
||
652 | $array = array(); |
||
653 | foreach ($explode as $v) { |
||
654 | $SubArr = $this->_toType($v); |
||
655 | if (empty($SubArr)) continue; |
||
656 | if (is_array ($SubArr)) { |
||
657 | $array[key($SubArr)] = $SubArr[key($SubArr)]; continue; |
||
658 | } |
||
659 | $array[] = $SubArr; |
||
660 | } |
||
661 | return $array; |
||
662 | } |
||
663 | |||
664 | if ($value == 'null' || $value == 'NULL' || $value == 'Null' || $value == '' || $value == '~') { |
||
665 | return null; |
||
666 | } |
||
667 | |||
668 | if ( is_numeric($value) && preg_match ('/^(-|)[1-9]+[0-9]*$/', $value) ){ |
||
669 | $intvalue = (int)$value; |
||
670 | if ($intvalue != PHP_INT_MAX && $intvalue != ~PHP_INT_MAX) |
||
671 | $value = $intvalue; |
||
672 | return $value; |
||
673 | } |
||
674 | |||
675 | if ( is_string($value) && preg_match('/^0[xX][0-9a-fA-F]+$/', $value)) { |
||
676 | // Hexadecimal value. |
||
677 | return hexdec($value); |
||
678 | } |
||
679 | |||
680 | $this->coerceValue($value); |
||
681 | |||
682 | if (is_numeric($value)) { |
||
683 | if ($value === '0') return 0; |
||
684 | if (rtrim ($value, 0) === $value) |
||
685 | $value = (float)$value; |
||
686 | return $value; |
||
687 | } |
||
688 | |||
689 | return $value; |
||
690 | } |
||
691 | |||
692 | /** |
||
693 | * Used in inlines to check for more inlines or quoted strings |
||
694 | * @access private |
||
695 | * @return array |
||
696 | */ |
||
697 | private function _inlineEscape($inline) { |
||
698 | // There's gotta be a cleaner way to do this... |
||
699 | // While pure sequences seem to be nesting just fine, |
||
700 | // pure mappings and mappings with sequences inside can't go very |
||
701 | // deep. This needs to be fixed. |
||
702 | |||
703 | $seqs = array(); |
||
704 | $maps = array(); |
||
705 | $saved_strings = array(); |
||
706 | $saved_empties = array(); |
||
707 | |||
708 | // Check for empty strings |
||
709 | $regex = '/("")|(\'\')/'; |
||
710 | if (preg_match_all($regex,$inline,$strings)) { |
||
711 | $saved_empties = $strings[0]; |
||
712 | $inline = preg_replace($regex,'YAMLEmpty',$inline); |
||
713 | } |
||
714 | unset($regex); |
||
715 | |||
716 | // Check for strings |
||
717 | $regex = '/(?:(")|(?:\'))((?(1)[^"]+|[^\']+))(?(1)"|\')/'; |
||
718 | if (preg_match_all($regex,$inline,$strings)) { |
||
719 | $saved_strings = $strings[0]; |
||
720 | $inline = preg_replace($regex,'YAMLString',$inline); |
||
721 | } |
||
722 | unset($regex); |
||
723 | |||
724 | // echo $inline; |
||
725 | |||
726 | $i = 0; |
||
727 | do { |
||
728 | |||
729 | // Check for sequences |
||
730 | while (preg_match('/\[([^{}\[\]]+)\]/U',$inline,$matchseqs)) { |
||
731 | $seqs[] = $matchseqs[0]; |
||
732 | $inline = preg_replace('/\[([^{}\[\]]+)\]/U', ('YAMLSeq' . (count($seqs) - 1) . 's'), $inline, 1); |
||
733 | } |
||
734 | |||
735 | // Check for mappings |
||
736 | while (preg_match('/{([^\[\]{}]+)}/U',$inline,$matchmaps)) { |
||
737 | $maps[] = $matchmaps[0]; |
||
738 | $inline = preg_replace('/{([^\[\]{}]+)}/U', ('YAMLMap' . (count($maps) - 1) . 's'), $inline, 1); |
||
739 | } |
||
740 | |||
741 | if ($i++ >= 10) break; |
||
742 | |||
743 | } while (strpos ($inline, '[') !== false || strpos ($inline, '{') !== false); |
||
744 | |||
745 | $explode = explode(',',$inline); |
||
746 | $explode = array_map('trim', $explode); |
||
747 | $stringi = 0; $i = 0; |
||
748 | |||
749 | while (1) { |
||
750 | |||
751 | // Re-add the sequences |
||
752 | if (!empty($seqs)) { |
||
753 | foreach ($explode as $key => $value) { |
||
754 | if (strpos($value,'YAMLSeq') !== false) { |
||
755 | foreach ($seqs as $seqk => $seq) { |
||
756 | $explode[$key] = str_replace(('YAMLSeq'.$seqk.'s'),$seq,$value); |
||
757 | $value = $explode[$key]; |
||
758 | } |
||
759 | } |
||
760 | } |
||
761 | } |
||
762 | |||
763 | // Re-add the mappings |
||
764 | if (!empty($maps)) { |
||
765 | foreach ($explode as $key => $value) { |
||
766 | if (strpos($value,'YAMLMap') !== false) { |
||
767 | foreach ($maps as $mapk => $map) { |
||
768 | $explode[$key] = str_replace(('YAMLMap'.$mapk.'s'), $map, $value); |
||
769 | $value = $explode[$key]; |
||
770 | } |
||
771 | } |
||
772 | } |
||
773 | } |
||
774 | |||
775 | |||
776 | // Re-add the strings |
||
777 | if (!empty($saved_strings)) { |
||
778 | foreach ($explode as $key => $value) { |
||
779 | while (strpos($value,'YAMLString') !== false) { |
||
780 | $explode[$key] = preg_replace('/YAMLString/',$saved_strings[$stringi],$value, 1); |
||
781 | unset($saved_strings[$stringi]); |
||
782 | ++$stringi; |
||
783 | $value = $explode[$key]; |
||
784 | } |
||
785 | } |
||
786 | } |
||
787 | |||
788 | |||
789 | // Re-add the empties |
||
790 | if (!empty($saved_empties)) { |
||
791 | foreach ($explode as $key => $value) { |
||
792 | while (strpos($value,'YAMLEmpty') !== false) { |
||
793 | $explode[$key] = preg_replace('/YAMLEmpty/', '', $value, 1); |
||
794 | $value = $explode[$key]; |
||
795 | } |
||
796 | } |
||
797 | } |
||
798 | |||
799 | $finished = true; |
||
800 | foreach ($explode as $key => $value) { |
||
801 | if (strpos($value,'YAMLSeq') !== false) { |
||
802 | $finished = false; break; |
||
803 | } |
||
804 | if (strpos($value,'YAMLMap') !== false) { |
||
805 | $finished = false; break; |
||
806 | } |
||
807 | if (strpos($value,'YAMLString') !== false) { |
||
808 | $finished = false; break; |
||
809 | } |
||
810 | if (strpos($value,'YAMLEmpty') !== false) { |
||
811 | $finished = false; break; |
||
812 | } |
||
813 | } |
||
814 | if ($finished) break; |
||
815 | |||
816 | $i++; |
||
817 | if ($i > 10) |
||
818 | break; // Prevent infinite loops. |
||
819 | } |
||
820 | |||
821 | |||
822 | return $explode; |
||
823 | } |
||
824 | |||
825 | private function literalBlockContinues ($line, $lineIndent) { |
||
826 | if (!trim($line)) return true; |
||
827 | if (strlen($line) - strlen(ltrim($line)) > $lineIndent) return true; |
||
828 | return false; |
||
829 | } |
||
830 | |||
831 | private function referenceContentsByAlias ($alias) { |
||
832 | do { |
||
833 | if (!isset($this->SavedGroups[$alias])) { echo "Bad group name: $alias."; break; } |
||
834 | $groupPath = $this->SavedGroups[$alias]; |
||
835 | $value = $this->result; |
||
836 | foreach ($groupPath as $k) { |
||
837 | $value = $value[$k]; |
||
838 | } |
||
839 | } while (false); |
||
840 | return $value; |
||
841 | } |
||
842 | |||
843 | private function addArrayInline ($array, $indent) { |
||
844 | $CommonGroupPath = $this->path; |
||
845 | if (empty ($array)) return false; |
||
846 | |||
847 | foreach ($array as $k => $_) { |
||
848 | $this->addArray(array($k => $_), $indent); |
||
849 | $this->path = $CommonGroupPath; |
||
850 | } |
||
851 | return true; |
||
852 | } |
||
853 | |||
854 | private function addArray ($incoming_data, $incoming_indent) { |
||
855 | |||
856 | // print_r ($incoming_data); |
||
857 | |||
858 | if (count ($incoming_data) > 1) |
||
859 | return $this->addArrayInline ($incoming_data, $incoming_indent); |
||
860 | |||
861 | $key = key ($incoming_data); |
||
862 | $value = isset($incoming_data[$key]) ? $incoming_data[$key] : null; |
||
863 | if ($key === '__!YAMLZero') $key = '0'; |
||
864 | |||
865 | if ($incoming_indent == 0 && !$this->_containsGroupAlias && !$this->_containsGroupAnchor) { // Shortcut for root-level values. |
||
866 | if ($key || $key === '' || $key === '0') { |
||
867 | $this->result[$key] = $value; |
||
868 | } else { |
||
869 | $this->result[] = $value; end ($this->result); $key = key ($this->result); |
||
870 | } |
||
871 | $this->path[$incoming_indent] = $key; |
||
872 | return; |
||
873 | } |
||
874 | |||
875 | |||
876 | |||
877 | $history = array(); |
||
878 | // Unfolding inner array tree. |
||
879 | $history[] = $_arr = $this->result; |
||
880 | foreach ($this->path as $k) { |
||
881 | $history[] = $_arr = $_arr[$k]; |
||
882 | } |
||
883 | |||
884 | if ($this->_containsGroupAlias) { |
||
885 | $value = $this->referenceContentsByAlias($this->_containsGroupAlias); |
||
886 | $this->_containsGroupAlias = false; |
||
887 | } |
||
888 | |||
889 | |||
890 | // Adding string or numeric key to the innermost level or $this->arr. |
||
891 | if (is_string($key) && $key == '<<') { |
||
892 | if (!is_array ($_arr)) { $_arr = array (); } |
||
893 | |||
894 | $_arr = array_merge ($_arr, $value); |
||
895 | } else if ($key || $key === '' || $key === '0') { |
||
896 | if (!is_array ($_arr)) |
||
897 | $_arr = array ($key=>$value); |
||
898 | else |
||
899 | $_arr[$key] = $value; |
||
900 | } else { |
||
901 | if (!is_array ($_arr)) { $_arr = array ($value); $key = 0; } |
||
902 | else { $_arr[] = $value; end ($_arr); $key = key ($_arr); } |
||
903 | } |
||
904 | |||
905 | $reverse_path = array_reverse($this->path); |
||
906 | $reverse_history = array_reverse ($history); |
||
907 | $reverse_history[0] = $_arr; |
||
908 | $cnt = count($reverse_history) - 1; |
||
909 | for ($i = 0; $i < $cnt; $i++) { |
||
910 | $reverse_history[$i+1][$reverse_path[$i]] = $reverse_history[$i]; |
||
911 | } |
||
912 | $this->result = $reverse_history[$cnt]; |
||
913 | |||
914 | $this->path[$incoming_indent] = $key; |
||
915 | |||
916 | if ($this->_containsGroupAnchor) { |
||
917 | $this->SavedGroups[$this->_containsGroupAnchor] = $this->path; |
||
918 | if (is_array ($value)) { |
||
919 | $k = key ($value); |
||
920 | if (!is_int ($k)) { |
||
921 | $this->SavedGroups[$this->_containsGroupAnchor][$incoming_indent + 2] = $k; |
||
922 | } |
||
923 | } |
||
924 | $this->_containsGroupAnchor = false; |
||
925 | } |
||
926 | |||
927 | } |
||
928 | |||
929 | private static function startsLiteralBlock ($line) { |
||
930 | $lastChar = substr (trim($line), -1); |
||
931 | if ($lastChar != '>' && $lastChar != '|') return false; |
||
932 | if ($lastChar == '|') return $lastChar; |
||
933 | // HTML tags should not be counted as literal blocks. |
||
934 | if (preg_match ('#<.*?>$#', $line)) return false; |
||
935 | return $lastChar; |
||
936 | } |
||
937 | |||
938 | private static function greedilyNeedNextLine($line) { |
||
939 | $line = trim ($line); |
||
940 | if (!strlen($line)) return false; |
||
941 | if (substr ($line, -1, 1) == ']') return false; |
||
942 | if ($line[0] == '[') return true; |
||
943 | if (preg_match ('#^[^:]+?:\s*\[#', $line)) return true; |
||
944 | return false; |
||
945 | } |
||
946 | |||
947 | private function addLiteralLine ($literalBlock, $line, $literalBlockStyle, $indent = -1) { |
||
948 | $line = self::stripIndent($line, $indent); |
||
949 | if ($literalBlockStyle !== '|') { |
||
950 | $line = self::stripIndent($line); |
||
951 | } |
||
952 | $line = rtrim ($line, "\r\n\t ") . "\n"; |
||
953 | if ($literalBlockStyle == '|') { |
||
954 | return $literalBlock . $line; |
||
955 | } |
||
956 | if (strlen($line) == 0) |
||
957 | return rtrim($literalBlock, ' ') . "\n"; |
||
958 | if ($line == "\n" && $literalBlockStyle == '>') { |
||
959 | return rtrim ($literalBlock, " \t") . "\n"; |
||
960 | } |
||
961 | if ($line != "\n") |
||
962 | $line = trim ($line, "\r\n ") . " "; |
||
963 | return $literalBlock . $line; |
||
964 | } |
||
965 | |||
966 | function revertLiteralPlaceHolder ($lineArray, $literalBlock) { |
||
967 | foreach ($lineArray as $k => $_) { |
||
968 | if (is_array($_)) |
||
969 | $lineArray[$k] = $this->revertLiteralPlaceHolder ($_, $literalBlock); |
||
970 | else if (substr($_, -1 * strlen ($this->LiteralPlaceHolder)) == $this->LiteralPlaceHolder) |
||
971 | $lineArray[$k] = rtrim ($literalBlock, " \r\n"); |
||
972 | } |
||
973 | return $lineArray; |
||
974 | } |
||
975 | |||
976 | private static function stripIndent ($line, $indent = -1) { |
||
977 | if ($indent == -1) $indent = strlen($line) - strlen(ltrim($line)); |
||
978 | return substr ($line, $indent); |
||
979 | } |
||
980 | |||
981 | private function getParentPathByIndent ($indent) { |
||
982 | if ($indent == 0) return array(); |
||
983 | $linePath = $this->path; |
||
984 | do { |
||
985 | end($linePath); $lastIndentInParentPath = key($linePath); |
||
986 | if ($indent <= $lastIndentInParentPath) array_pop ($linePath); |
||
987 | } while ($indent <= $lastIndentInParentPath); |
||
988 | return $linePath; |
||
989 | } |
||
990 | |||
991 | |||
992 | private function clearBiggerPathValues ($indent) { |
||
993 | |||
994 | |||
995 | if ($indent == 0) $this->path = array(); |
||
996 | if (empty ($this->path)) return true; |
||
997 | |||
998 | foreach ($this->path as $k => $_) { |
||
999 | if ($k > $indent) unset ($this->path[$k]); |
||
1000 | } |
||
1001 | |||
1002 | return true; |
||
1003 | } |
||
1004 | |||
1005 | |||
1006 | private static function isComment ($line) { |
||
1007 | if (!$line) return false; |
||
1008 | if ($line[0] == '#') return true; |
||
1009 | if (trim($line, " \r\n\t") == '---') return true; |
||
1010 | return false; |
||
1011 | } |
||
1012 | |||
1013 | private static function isEmpty ($line) { |
||
1014 | return (trim ($line) === ''); |
||
1015 | } |
||
1016 | |||
1017 | |||
1018 | private function isArrayElement ($line) { |
||
1019 | if (!$line || !is_scalar($line)) return false; |
||
1020 | if (substr($line, 0, 2) != '- ') return false; |
||
1021 | if (strlen ($line) > 3) |
||
1022 | if (substr($line,0,3) == '---') return false; |
||
1023 | |||
1024 | return true; |
||
1025 | } |
||
1026 | |||
1027 | private function isHashElement ($line) { |
||
1028 | return strpos($line, ':'); |
||
1029 | } |
||
1030 | |||
1031 | private function isLiteral ($line) { |
||
1032 | if ($this->isArrayElement($line)) return false; |
||
1033 | if ($this->isHashElement($line)) return false; |
||
1034 | return true; |
||
1035 | } |
||
1036 | |||
1037 | |||
1038 | private static function unquote ($value) { |
||
1039 | if (!$value) return $value; |
||
1040 | if (!is_string($value)) return $value; |
||
1041 | if ($value[0] == '\'') return trim ($value, '\''); |
||
1042 | if ($value[0] == '"') return trim ($value, '"'); |
||
1043 | return $value; |
||
1044 | } |
||
1045 | |||
1046 | private function startsMappedSequence ($line) { |
||
1047 | return (substr($line, 0, 2) == '- ' && substr ($line, -1, 1) == ':'); |
||
1048 | } |
||
1049 | |||
1050 | private function returnMappedSequence ($line) { |
||
1051 | $array = array(); |
||
1052 | $key = self::unquote(trim(substr($line,1,-1))); |
||
1053 | $array[$key] = array(); |
||
1054 | $this->delayedPath = array(strpos ($line, $key) + $this->indent => $key); |
||
1055 | return array($array); |
||
1056 | } |
||
1057 | |||
1058 | private function checkKeysInValue($value) { |
||
1059 | if (strchr('[{"\'', $value[0]) === false) { |
||
1060 | if (strchr($value, ': ') !== false) { |
||
1061 | throw new Exception('Too many keys: '.$value); |
||
1062 | } |
||
1063 | } |
||
1064 | } |
||
1065 | |||
1066 | private function returnMappedValue ($line) { |
||
1067 | $this->checkKeysInValue($line); |
||
1068 | $array = array(); |
||
1069 | $key = self::unquote (trim(substr($line,0,-1))); |
||
1070 | $array[$key] = ''; |
||
1071 | return $array; |
||
1072 | } |
||
1073 | |||
1074 | private function startsMappedValue ($line) { |
||
1075 | return (substr ($line, -1, 1) == ':'); |
||
1076 | } |
||
1077 | |||
1078 | private function isPlainArray ($line) { |
||
1079 | return ($line[0] == '[' && substr ($line, -1, 1) == ']'); |
||
1080 | } |
||
1081 | |||
1082 | private function returnPlainArray ($line) { |
||
1083 | return $this->_toType($line); |
||
1084 | } |
||
1085 | |||
1086 | private function returnKeyValuePair ($line) { |
||
1087 | $array = array(); |
||
1088 | $key = ''; |
||
1089 | if (strpos ($line, ': ')) { |
||
1090 | // It's a key/value pair most likely |
||
1091 | // If the key is in double quotes pull it out |
||
1092 | if (($line[0] == '"' || $line[0] == "'") && preg_match('/^(["\'](.*)["\'](\s)*:)/',$line,$matches)) { |
||
1093 | $value = trim(str_replace($matches[1],'',$line)); |
||
1094 | $key = $matches[2]; |
||
1095 | } else { |
||
1096 | // Do some guesswork as to the key and the value |
||
1097 | $explode = explode(': ', $line); |
||
1098 | $key = trim(array_shift($explode)); |
||
1099 | $value = trim(implode(': ', $explode)); |
||
1100 | $this->checkKeysInValue($value); |
||
1101 | } |
||
1102 | // Set the type of the value. Int, string, etc |
||
1103 | $value = $this->_toType($value); |
||
1104 | if ($key === '0') $key = '__!YAMLZero'; |
||
1105 | $array[$key] = $value; |
||
1106 | } else { |
||
1107 | $array = array ($line); |
||
1108 | } |
||
1109 | return $array; |
||
1110 | |||
1111 | } |
||
1112 | |||
1113 | |||
1114 | private function returnArrayElement ($line) { |
||
1115 | if (strlen($line) <= 1) return array(array()); // Weird %) |
||
1116 | $array = array(); |
||
1117 | $value = trim(substr($line,1)); |
||
1118 | $value = $this->_toType($value); |
||
1119 | if ($this->isArrayElement($value)) { |
||
1120 | $value = $this->returnArrayElement($value); |
||
1121 | } |
||
1122 | $array[] = $value; |
||
1123 | return $array; |
||
1124 | } |
||
1125 | |||
1126 | |||
1127 | private function nodeContainsGroup ($line) { |
||
1128 | $symbolsForReference = 'A-z0-9_\-'; |
||
1129 | if (strpos($line, '&') === false && strpos($line, '*') === false) return false; // Please die fast ;-) |
||
1130 | if ($line[0] == '&' && preg_match('/^(&['.$symbolsForReference.']+)/', $line, $matches)) return $matches[1]; |
||
1131 | if ($line[0] == '*' && preg_match('/^(\*['.$symbolsForReference.']+)/', $line, $matches)) return $matches[1]; |
||
1132 | if (preg_match('/(&['.$symbolsForReference.']+)$/', $line, $matches)) return $matches[1]; |
||
1133 | if (preg_match('/(\*['.$symbolsForReference.']+$)/', $line, $matches)) return $matches[1]; |
||
1134 | if (preg_match ('#^\s*<<\s*:\s*(\*[^\s]+).*$#', $line, $matches)) return $matches[1]; |
||
1135 | return false; |
||
1136 | |||
1137 | } |
||
1138 | |||
1139 | private function addGroup ($line, $group) { |
||
1140 | if ($group[0] == '&') $this->_containsGroupAnchor = substr ($group, 1); |
||
1141 | if ($group[0] == '*') $this->_containsGroupAlias = substr ($group, 1); |
||
1142 | //print_r ($this->path); |
||
1143 | } |
||
1144 | |||
1145 | private function stripGroup ($line, $group) { |
||
1146 | $line = trim(str_replace($group, '', $line)); |
||
1147 | return $line; |
||
1148 | } |
||
1149 | } |
||
1150 | } |
||
1151 | |||
1152 | // Enable use of Spyc from command line |
||
1153 | // The syntax is the following: php Spyc.php spyc.yaml |
||
1154 | |||
1155 | do { |
||
1156 | if (PHP_SAPI != 'cli') break; |
||
1157 | if (empty ($_SERVER['argc']) || $_SERVER['argc'] < 2) break; |
||
1158 | if (empty ($_SERVER['PHP_SELF']) || FALSE === strpos ($_SERVER['PHP_SELF'], 'Spyc.php') ) break; |
||
1159 | $file = $argv[1]; |
||
1160 | echo json_encode (spyc_load_file ($file)); |
||
1161 | } while (0); |