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 0.4.5 |
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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 http://code.google.com/p/spyc/ |
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8 | * @copyright Copyright 2005-2006 Chris Wanstrath, 2006-2009 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 | /** |
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36 | * The Simple PHP YAML Class. |
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37 | * |
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38 | * This class can be used to read a YAML file and convert its contents |
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39 | * into a PHP array. It currently supports a very limited subsection of |
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40 | * the YAML spec. |
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41 | * |
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42 | * Usage: |
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43 | * <code> |
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44 | * $Spyc = new Spyc; |
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45 | * $array = $Spyc->load($file); |
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46 | * </code> |
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47 | * or: |
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48 | * <code> |
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49 | * $array = Spyc::YAMLLoad($file); |
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50 | * </code> |
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51 | * or: |
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52 | * <code> |
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53 | * $array = spyc_load_file($file); |
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54 | * </code> |
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55 | * @package Spyc |
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56 | */ |
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57 | class Spyc { |
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58 | |||
59 | // SETTINGS |
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60 | |||
61 | /** |
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62 | * Setting this to true will force YAMLDump to enclose any string value in |
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63 | * quotes. False by default. |
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64 | * |
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65 | * @var bool |
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66 | */ |
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67 | var $setting_dump_force_quotes = false; |
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68 | |||
69 | /** |
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70 | * Setting this to true will forse YAMLLoad to use syck_load function when |
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71 | * possible. False by default. |
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72 | * @var bool |
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73 | */ |
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74 | var $setting_use_syck_is_possible = false; |
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75 | |||
76 | |||
77 | |||
78 | /**#@+ |
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79 | * @access private |
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80 | * @var mixed |
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81 | */ |
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82 | var $_dumpIndent; |
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83 | var $_dumpWordWrap; |
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84 | var $_containsGroupAnchor = false; |
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85 | var $_containsGroupAlias = false; |
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86 | var $path; |
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87 | var $result; |
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88 | var $LiteralPlaceHolder = '___YAML_Literal_Block___'; |
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89 | var $SavedGroups = array(); |
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90 | var $indent; |
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91 | /** |
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92 | * Path modifier that should be applied after adding current element. |
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93 | * @var array |
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94 | */ |
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95 | var $delayedPath = array(); |
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96 | |||
97 | /**#@+ |
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98 | * @access public |
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99 | * @var mixed |
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100 | */ |
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101 | var $_nodeId; |
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102 | |||
103 | /** |
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104 | * Load a valid YAML string to Spyc. |
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105 | * @param string $input |
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106 | * @return array |
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107 | */ |
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108 | function load ($input) { |
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109 | return $this->__loadString($input); |
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110 | } |
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111 | |||
112 | /** |
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113 | * Load a valid YAML file to Spyc. |
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114 | * @param string $file |
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115 | * @return array |
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116 | */ |
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117 | function loadFile ($file) { |
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118 | return $this->__load($file); |
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119 | } |
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120 | |||
121 | /** |
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122 | * Load YAML into a PHP array statically |
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123 | * |
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124 | * The load method, when supplied with a YAML stream (string or file), |
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125 | * will do its best to convert YAML in a file into a PHP array. Pretty |
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126 | * simple. |
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127 | * Usage: |
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128 | * <code> |
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129 | * $array = Spyc::YAMLLoad('lucky.yaml'); |
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130 | * print_r($array); |
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131 | * </code> |
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132 | * @access public |
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133 | * @return array |
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134 | * @param string $input Path of YAML file or string containing YAML |
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135 | */ |
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136 | function YAMLLoad($input) { |
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137 | $Spyc = new Spyc; |
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138 | return $Spyc->__load($input); |
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139 | } |
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140 | |||
141 | /** |
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142 | * Load a string of YAML into a PHP array statically |
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143 | * |
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144 | * The load method, when supplied with a YAML string, will do its best |
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145 | * to convert YAML in a string into a PHP array. Pretty simple. |
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146 | * |
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147 | * Note: use this function if you don't want files from the file system |
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148 | * loaded and processed as YAML. This is of interest to people concerned |
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149 | * about security whose input is from a string. |
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150 | * |
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151 | * Usage: |
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152 | * <code> |
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153 | * $array = Spyc::YAMLLoadString("---\n0: hello world\n"); |
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154 | * print_r($array); |
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155 | * </code> |
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156 | * @access public |
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157 | * @return array |
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158 | * @param string $input String containing YAML |
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159 | */ |
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160 | function YAMLLoadString($input) { |
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161 | $Spyc = new Spyc; |
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162 | return $Spyc->__loadString($input); |
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163 | } |
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164 | |||
165 | /** |
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166 | * Dump YAML from PHP array statically |
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167 | * |
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168 | * The dump method, when supplied with an array, will do its best |
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169 | * to convert the array into friendly YAML. Pretty simple. Feel free to |
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170 | * save the returned string as nothing.yaml and pass it around. |
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171 | * |
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172 | * Oh, and you can decide how big the indent is and what the wordwrap |
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173 | * for folding is. Pretty cool -- just pass in 'false' for either if |
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174 | * you want to use the default. |
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175 | * |
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176 | * Indent's default is 2 spaces, wordwrap's default is 40 characters. And |
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177 | * you can turn off wordwrap by passing in 0. |
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178 | * |
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179 | * @access public |
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180 | * @return string |
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181 | * @param array $array PHP array |
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182 | * @param int $indent Pass in false to use the default, which is 2 |
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183 | * @param int $wordwrap Pass in 0 for no wordwrap, false for default (40) |
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184 | */ |
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185 | function YAMLDump($array,$indent = false,$wordwrap = false) { |
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186 | $spyc = new Spyc; |
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187 | return $spyc->dump($array,$indent,$wordwrap); |
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188 | } |
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189 | |||
190 | |||
191 | /** |
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192 | * Dump PHP array to YAML |
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193 | * |
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194 | * The dump method, when supplied with an array, will do its best |
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195 | * to convert the array into friendly YAML. Pretty simple. Feel free to |
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196 | * save the returned string as tasteful.yaml and pass it around. |
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197 | * |
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198 | * Oh, and you can decide how big the indent is and what the wordwrap |
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199 | * for folding is. Pretty cool -- just pass in 'false' for either if |
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200 | * you want to use the default. |
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201 | * |
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202 | * Indent's default is 2 spaces, wordwrap's default is 40 characters. And |
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203 | * you can turn off wordwrap by passing in 0. |
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204 | * |
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205 | * @access public |
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206 | * @return string |
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207 | * @param array $array PHP array |
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208 | * @param int $indent Pass in false to use the default, which is 2 |
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209 | * @param int $wordwrap Pass in 0 for no wordwrap, false for default (40) |
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210 | */ |
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211 | function dump($array,$indent = false,$wordwrap = false) { |
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212 | // Dumps to some very clean YAML. We'll have to add some more features |
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213 | // and options soon. And better support for folding. |
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214 | |||
215 | // New features and options. |
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216 | if ($indent === false or !is_numeric($indent)) { |
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217 | $this->_dumpIndent = 2; |
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218 | } else { |
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219 | $this->_dumpIndent = $indent; |
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220 | } |
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221 | |||
222 | if ($wordwrap === false or !is_numeric($wordwrap)) { |
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223 | $this->_dumpWordWrap = 40; |
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224 | } else { |
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225 | $this->_dumpWordWrap = $wordwrap; |
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226 | } |
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227 | |||
228 | // New YAML document |
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229 | $string = "---\n"; |
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230 | |||
231 | // Start at the base of the array and move through it. |
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232 | if ($array) { |
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233 | $array = (array)$array; |
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234 | $first_key = key($array); |
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235 | |||
236 | $previous_key = -1; |
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237 | foreach ($array as $key => $value) { |
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238 | $string .= $this->_yamlize($key,$value,0,$previous_key, $first_key); |
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239 | $previous_key = $key; |
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240 | } |
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241 | } |
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242 | return $string; |
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243 | } |
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244 | |||
245 | /** |
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246 | * Attempts to convert a key / value array item to YAML |
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247 | * @access private |
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248 | * @return string |
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249 | * @param $key The name of the key |
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250 | * @param $value The value of the item |
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251 | * @param $indent The indent of the current node |
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252 | */ |
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253 | function _yamlize($key,$value,$indent, $previous_key = -1, $first_key = 0) { |
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254 | if (is_array($value)) { |
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255 | if (empty ($value)) |
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256 | return $this->_dumpNode($key, array(), $indent, $previous_key, $first_key); |
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257 | // It has children. What to do? |
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258 | // Make it the right kind of item |
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259 | $string = $this->_dumpNode($key, NULL, $indent, $previous_key, $first_key); |
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260 | // Add the indent |
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261 | $indent += $this->_dumpIndent; |
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262 | // Yamlize the array |
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263 | $string .= $this->_yamlizeArray($value,$indent); |
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264 | } elseif (!is_array($value)) { |
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265 | // It doesn't have children. Yip. |
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266 | $string = $this->_dumpNode($key, $value, $indent, $previous_key, $first_key); |
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267 | } |
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268 | return $string; |
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269 | } |
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270 | |||
271 | /** |
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272 | * Attempts to convert an array to YAML |
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273 | * @access private |
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274 | * @return string |
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275 | * @param $array The array you want to convert |
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276 | * @param $indent The indent of the current level |
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277 | */ |
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278 | function _yamlizeArray($array,$indent) { |
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279 | if (is_array($array)) { |
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280 | $string = ''; |
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281 | $previous_key = -1; |
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282 | $first_key = key($array); |
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283 | foreach ($array as $key => $value) { |
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284 | $string .= $this->_yamlize($key, $value, $indent, $previous_key, $first_key); |
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285 | $previous_key = $key; |
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286 | } |
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287 | return $string; |
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288 | } else { |
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289 | return false; |
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290 | } |
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291 | } |
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292 | |||
293 | /** |
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294 | * Returns YAML from a key and a value |
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295 | * @access private |
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296 | * @return string |
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297 | * @param $key The name of the key |
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298 | * @param $value The value of the item |
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299 | * @param $indent The indent of the current node |
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300 | */ |
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301 | function _dumpNode($key, $value, $indent, $previous_key = -1, $first_key = 0) { |
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302 | // do some folding here, for blocks |
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303 | if (is_string ($value) && ((strpos($value,"\n") !== false || strpos($value,": ") !== false || strpos($value,"- ") !== false || |
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304 | strpos($value,"*") !== false || strpos($value,"#") !== false || strpos($value,"<") !== false || strpos($value,">") !== false || |
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305 | strpos($value,"[") !== false || strpos($value,"]") !== false || strpos($value,"{") !== false || strpos($value,"}") !== false) || substr ($value, -1, 1) == ':')) { |
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306 | $value = $this->_doLiteralBlock($value,$indent); |
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307 | } else { |
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308 | $value = $this->_doFolding($value,$indent); |
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309 | if (is_bool($value)) { |
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310 | $value = ($value) ? "true" : "false"; |
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311 | } |
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312 | } |
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313 | |||
314 | if ($value === array()) $value = '[ ]'; |
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315 | |||
316 | $spaces = str_repeat(' ',$indent); |
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317 | |||
318 | if (is_int($key) && $key - 1 == $previous_key && $first_key===0) { |
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319 | // It's a sequence |
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320 | $string = $spaces.'- '.$value."\n"; |
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321 | } else { |
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322 | if ($first_key===0) throw new Exception('Keys are all screwy. The first one was zero, now it\'s "'. $key .'"'); |
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323 | // It's mapped |
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324 | if (strpos($key, ":") !== false) { $key = '"' . $key . '"'; } |
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325 | $string = $spaces.$key.': '.$value."\n"; |
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326 | } |
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327 | return $string; |
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328 | } |
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329 | |||
330 | /** |
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331 | * Creates a literal block for dumping |
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332 | * @access private |
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333 | * @return string |
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334 | * @param $value |
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335 | * @param $indent int The value of the indent |
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336 | */ |
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337 | function _doLiteralBlock($value,$indent) { |
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338 | if (strpos($value, "\n") === false && strpos($value, "'") === false) { |
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339 | return sprintf ("'%s'", $value); |
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340 | } |
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341 | if (strpos($value, "\n") === false && strpos($value, '"') === false) { |
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342 | return sprintf ('"%s"', $value); |
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343 | } |
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344 | $exploded = explode("\n",$value); |
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345 | $newValue = '|'; |
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346 | $indent += $this->_dumpIndent; |
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347 | $spaces = str_repeat(' ',$indent); |
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348 | foreach ($exploded as $line) { |
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349 | $newValue .= "\n" . $spaces . trim($line); |
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350 | } |
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351 | return $newValue; |
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352 | } |
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353 | |||
354 | /** |
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355 | * Folds a string of text, if necessary |
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356 | * @access private |
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357 | * @return string |
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358 | * @param $value The string you wish to fold |
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359 | */ |
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360 | function _doFolding($value,$indent) { |
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361 | // Don't do anything if wordwrap is set to 0 |
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362 | |||
363 | if ($this->_dumpWordWrap !== 0 && is_string ($value) && strlen($value) > $this->_dumpWordWrap) { |
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364 | $indent += $this->_dumpIndent; |
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365 | $indent = str_repeat(' ',$indent); |
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366 | $wrapped = wordwrap($value,$this->_dumpWordWrap,"\n$indent"); |
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367 | $value = ">\n".$indent.$wrapped; |
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368 | } else { |
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369 | if ($this->setting_dump_force_quotes && is_string ($value)) |
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370 | $value = '"' . $value . '"'; |
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371 | } |
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372 | |||
373 | |||
374 | return $value; |
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375 | } |
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376 | |||
377 | // LOADING FUNCTIONS |
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378 | |||
379 | function __load($input) { |
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380 | $Source = $this->loadFromSource($input); |
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381 | return $this->loadWithSource($Source); |
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382 | } |
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383 | |||
384 | function __loadString($input) { |
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385 | $Source = $this->loadFromString($input); |
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386 | return $this->loadWithSource($Source); |
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387 | } |
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388 | |||
389 | function loadWithSource($Source) { |
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390 | if (empty ($Source)) return array(); |
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391 | if ($this->setting_use_syck_is_possible && function_exists ('syck_load')) { |
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392 | $array = syck_load (implode ('', $Source)); |
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393 | return is_array($array) ? $array : array(); |
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394 | } |
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395 | |||
396 | $this->path = array(); |
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397 | $this->result = array(); |
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398 | |||
399 | $cnt = count($Source); |
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400 | for ($i = 0; $i < $cnt; $i++) { |
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401 | $line = $Source[$i]; |
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402 | |||
403 | $this->indent = strlen($line) - strlen(ltrim($line)); |
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404 | $tempPath = $this->getParentPathByIndent($this->indent); |
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405 | $line = $this->stripIndent($line, $this->indent); |
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406 | if ($this->isComment($line)) continue; |
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407 | if ($this->isEmpty($line)) continue; |
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408 | $this->path = $tempPath; |
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409 | |||
410 | $literalBlockStyle = $this->startsLiteralBlock($line); |
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411 | if ($literalBlockStyle) { |
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412 | $line = rtrim ($line, $literalBlockStyle . " \n"); |
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413 | $literalBlock = ''; |
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414 | $line .= $this->LiteralPlaceHolder; |
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415 | |||
416 | while (++$i < $cnt && $this->literalBlockContinues($Source[$i], $this->indent)) { |
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417 | $literalBlock = $this->addLiteralLine($literalBlock, $Source[$i], $literalBlockStyle); |
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418 | } |
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419 | $i--; |
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420 | } |
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421 | |||
422 | while (++$i < $cnt && $this->greedilyNeedNextLine($line)) { |
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423 | $line = rtrim ($line, " \n\t\r") . ' ' . ltrim ($Source[$i], " \t"); |
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424 | } |
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425 | $i--; |
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426 | |||
427 | |||
428 | |||
429 | if (strpos ($line, '#')) { |
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430 | if (strpos ($line, '"') === false && strpos ($line, "'") === false) |
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431 | $line = preg_replace('/\s+#(.+)$/','',$line); |
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432 | } |
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433 | |||
434 | $lineArray = $this->_parseLine($line); |
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435 | |||
436 | if ($literalBlockStyle) |
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437 | $lineArray = $this->revertLiteralPlaceHolder ($lineArray, $literalBlock); |
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438 | |||
439 | $this->addArray($lineArray, $this->indent); |
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440 | |||
441 | foreach ($this->delayedPath as $indent => $delayedPath) |
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442 | $this->path[$indent] = $delayedPath; |
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443 | |||
444 | $this->delayedPath = array(); |
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445 | |||
446 | } |
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447 | return $this->result; |
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448 | } |
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449 | |||
450 | function loadFromSource ($input) { |
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451 | if (!empty($input) && strpos($input, "\n") === false && file_exists($input)) |
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452 | return file($input); |
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453 | |||
454 | return $this->loadFromString($input); |
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455 | } |
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456 | |||
457 | function loadFromString ($input) { |
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458 | $lines = explode("\n",$input); |
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459 | foreach ($lines as $k => $_) { |
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460 | $lines[$k] = rtrim ($_, "\r"); |
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461 | } |
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462 | return $lines; |
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463 | } |
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464 | |||
465 | /** |
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466 | * Parses YAML code and returns an array for a node |
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467 | * @access private |
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468 | * @return array |
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469 | * @param string $line A line from the YAML file |
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470 | */ |
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471 | function _parseLine($line) { |
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472 | if (!$line) return array(); |
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473 | $line = trim($line); |
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474 | |||
475 | if (!$line) return array(); |
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476 | $array = array(); |
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477 | |||
478 | $group = $this->nodeContainsGroup($line); |
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479 | if ($group) { |
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480 | $this->addGroup($line, $group); |
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481 | $line = $this->stripGroup ($line, $group); |
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482 | } |
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483 | |||
484 | if ($this->startsMappedSequence($line)) |
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485 | return $this->returnMappedSequence($line); |
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486 | |||
487 | if ($this->startsMappedValue($line)) |
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488 | return $this->returnMappedValue($line); |
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489 | |||
490 | if ($this->isArrayElement($line)) |
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491 | return $this->returnArrayElement($line); |
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492 | |||
493 | if ($this->isPlainArray($line)) |
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494 | return $this->returnPlainArray($line); |
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495 | |||
496 | |||
497 | return $this->returnKeyValuePair($line); |
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498 | |||
499 | } |
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500 | |||
501 | /** |
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502 | * Finds the type of the passed value, returns the value as the new type. |
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503 | * @access private |
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504 | * @param string $value |
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505 | * @return mixed |
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506 | */ |
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507 | function _toType($value) { |
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508 | if ($value === '') return null; |
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509 | $first_character = $value[0]; |
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510 | $last_character = substr($value, -1, 1); |
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511 | |||
512 | $is_quoted = false; |
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513 | do { |
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514 | if (!$value) break; |
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515 | if ($first_character != '"' && $first_character != "'") break; |
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516 | if ($last_character != '"' && $last_character != "'") break; |
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517 | $is_quoted = true; |
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518 | } while (0); |
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519 | |||
520 | if ($is_quoted) |
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521 | return strtr(substr ($value, 1, -1), array ('\\"' => '"', '\'\'' => '\'', '\\\'' => '\'')); |
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522 | |||
523 | if (strpos($value, ' #') !== false) |
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524 | $value = preg_replace('/\s+#(.+)$/','',$value); |
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525 | |||
526 | if ($first_character == '[' && $last_character == ']') { |
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527 | // Take out strings sequences and mappings |
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528 | $innerValue = trim(substr ($value, 1, -1)); |
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529 | if ($innerValue === '') return array(); |
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530 | $explode = $this->_inlineEscape($innerValue); |
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531 | // Propagate value array |
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532 | $value = array(); |
||
533 | foreach ($explode as $v) { |
||
534 | $value[] = $this->_toType($v); |
||
535 | } |
||
536 | return $value; |
||
537 | } |
||
538 | |||
539 | if (strpos($value,': ')!==false && $first_character != '{') { |
||
540 | $array = explode(': ',$value); |
||
541 | $key = trim($array[0]); |
||
542 | array_shift($array); |
||
543 | $value = trim(implode(': ',$array)); |
||
544 | $value = $this->_toType($value); |
||
545 | return array($key => $value); |
||
546 | } |
||
547 | |||
548 | if ($first_character == '{' && $last_character == '}') { |
||
549 | $innerValue = trim(substr ($value, 1, -1)); |
||
550 | if ($innerValue === '') return array(); |
||
551 | // Inline Mapping |
||
552 | // Take out strings sequences and mappings |
||
553 | $explode = $this->_inlineEscape($innerValue); |
||
554 | // Propagate value array |
||
555 | $array = array(); |
||
556 | foreach ($explode as $v) { |
||
557 | $SubArr = $this->_toType($v); |
||
558 | if (empty($SubArr)) continue; |
||
559 | if (is_array ($SubArr)) { |
||
560 | $array[key($SubArr)] = $SubArr[key($SubArr)]; continue; |
||
561 | } |
||
562 | $array[] = $SubArr; |
||
563 | } |
||
564 | return $array; |
||
565 | } |
||
566 | |||
567 | if ($value == 'null' || $value == 'NULL' || $value == 'Null' || $value == '' || $value == '~') { |
||
568 | return null; |
||
569 | } |
||
570 | |||
571 | if (intval($first_character) > 0 && preg_match ('/^[1-9]+[0-9]*$/', $value)) { |
||
572 | $intvalue = (int)$value; |
||
573 | if ($intvalue != PHP_INT_MAX) |
||
574 | $value = $intvalue; |
||
575 | return $value; |
||
576 | } |
||
577 | |||
578 | if (in_array($value, |
||
579 | array('true', 'on', '+', 'yes', 'y', 'True', 'TRUE', 'On', 'ON', 'YES', 'Yes', 'Y'))) { |
||
580 | return true; |
||
581 | } |
||
582 | |||
583 | if (in_array(strtolower($value), |
||
584 | array('false', 'off', '-', 'no', 'n'))) { |
||
585 | return false; |
||
586 | } |
||
587 | |||
588 | if (is_numeric($value)) { |
||
589 | if ($value === '0') return 0; |
||
590 | if (trim ($value, 0) === $value) |
||
591 | $value = (float)$value; |
||
592 | return $value; |
||
593 | } |
||
594 | |||
595 | return $value; |
||
596 | } |
||
597 | |||
598 | /** |
||
599 | * Used in inlines to check for more inlines or quoted strings |
||
600 | * @access private |
||
601 | * @return array |
||
602 | */ |
||
603 | function _inlineEscape($inline) { |
||
604 | // There's gotta be a cleaner way to do this... |
||
605 | // While pure sequences seem to be nesting just fine, |
||
606 | // pure mappings and mappings with sequences inside can't go very |
||
607 | // deep. This needs to be fixed. |
||
608 | |||
609 | $seqs = array(); |
||
610 | $maps = array(); |
||
611 | $saved_strings = array(); |
||
612 | |||
613 | // Check for strings |
||
614 | $regex = '/(?:(")|(?:\'))((?(1)[^"]+|[^\']+))(?(1)"|\')/'; |
||
615 | if (preg_match_all($regex,$inline,$strings)) { |
||
616 | $saved_strings = $strings[0]; |
||
617 | $inline = preg_replace($regex,'YAMLString',$inline); |
||
618 | } |
||
619 | unset($regex); |
||
620 | |||
621 | $i = 0; |
||
622 | do { |
||
623 | |||
624 | // Check for sequences |
||
625 | while (preg_match('/\[([^{}\[\]]+)\]/U',$inline,$matchseqs)) { |
||
626 | $seqs[] = $matchseqs[0]; |
||
627 | $inline = preg_replace('/\[([^{}\[\]]+)\]/U', ('YAMLSeq' . (count($seqs) - 1) . 's'), $inline, 1); |
||
628 | } |
||
629 | |||
630 | // Check for mappings |
||
631 | while (preg_match('/{([^\[\]{}]+)}/U',$inline,$matchmaps)) { |
||
632 | $maps[] = $matchmaps[0]; |
||
633 | $inline = preg_replace('/{([^\[\]{}]+)}/U', ('YAMLMap' . (count($maps) - 1) . 's'), $inline, 1); |
||
634 | } |
||
635 | |||
636 | if ($i++ >= 10) break; |
||
637 | |||
638 | } while (strpos ($inline, '[') !== false || strpos ($inline, '{') !== false); |
||
639 | |||
640 | $explode = explode(', ',$inline); |
||
641 | $stringi = 0; $i = 0; |
||
642 | |||
643 | while (1) { |
||
644 | |||
645 | // Re-add the sequences |
||
646 | if (!empty($seqs)) { |
||
647 | foreach ($explode as $key => $value) { |
||
648 | if (strpos($value,'YAMLSeq') !== false) { |
||
649 | foreach ($seqs as $seqk => $seq) { |
||
650 | $explode[$key] = str_replace(('YAMLSeq'.$seqk.'s'),$seq,$value); |
||
651 | $value = $explode[$key]; |
||
652 | } |
||
653 | } |
||
654 | } |
||
655 | } |
||
656 | |||
657 | // Re-add the mappings |
||
658 | if (!empty($maps)) { |
||
659 | foreach ($explode as $key => $value) { |
||
660 | if (strpos($value,'YAMLMap') !== false) { |
||
661 | foreach ($maps as $mapk => $map) { |
||
662 | $explode[$key] = str_replace(('YAMLMap'.$mapk.'s'), $map, $value); |
||
663 | $value = $explode[$key]; |
||
664 | } |
||
665 | } |
||
666 | } |
||
667 | } |
||
668 | |||
669 | |||
670 | // Re-add the strings |
||
671 | if (!empty($saved_strings)) { |
||
672 | foreach ($explode as $key => $value) { |
||
673 | while (strpos($value,'YAMLString') !== false) { |
||
674 | $explode[$key] = preg_replace('/YAMLString/',$saved_strings[$stringi],$value, 1); |
||
675 | unset($saved_strings[$stringi]); |
||
676 | ++$stringi; |
||
677 | $value = $explode[$key]; |
||
678 | } |
||
679 | } |
||
680 | } |
||
681 | |||
682 | $finished = true; |
||
683 | foreach ($explode as $key => $value) { |
||
684 | if (strpos($value,'YAMLSeq') !== false) { |
||
685 | $finished = false; break; |
||
686 | } |
||
687 | if (strpos($value,'YAMLMap') !== false) { |
||
688 | $finished = false; break; |
||
689 | } |
||
690 | if (strpos($value,'YAMLString') !== false) { |
||
691 | $finished = false; break; |
||
692 | } |
||
693 | } |
||
694 | if ($finished) break; |
||
695 | |||
696 | $i++; |
||
697 | if ($i > 10) |
||
698 | break; // Prevent infinite loops. |
||
699 | } |
||
700 | |||
701 | return $explode; |
||
702 | } |
||
703 | |||
704 | function literalBlockContinues ($line, $lineIndent) { |
||
705 | if (!trim($line)) return true; |
||
706 | if (strlen($line) - strlen(ltrim($line)) > $lineIndent) return true; |
||
707 | return false; |
||
708 | } |
||
709 | |||
710 | function referenceContentsByAlias ($alias) { |
||
711 | do { |
||
712 | if (!isset($this->SavedGroups[$alias])) { echo "Bad group name: $alias."; break; } |
||
713 | $groupPath = $this->SavedGroups[$alias]; |
||
714 | $value = $this->result; |
||
715 | foreach ($groupPath as $k) { |
||
716 | $value = $value[$k]; |
||
717 | } |
||
718 | } while (false); |
||
719 | return $value; |
||
720 | } |
||
721 | |||
722 | function addArrayInline ($array, $indent) { |
||
723 | $CommonGroupPath = $this->path; |
||
724 | if (empty ($array)) return false; |
||
725 | |||
726 | foreach ($array as $k => $_) { |
||
727 | $this->addArray(array($k => $_), $indent); |
||
728 | $this->path = $CommonGroupPath; |
||
729 | } |
||
730 | return true; |
||
731 | } |
||
732 | |||
733 | function addArray ($incoming_data, $incoming_indent) { |
||
734 | |||
735 | // print_r ($incoming_data); |
||
736 | |||
737 | if (count ($incoming_data) > 1) |
||
738 | return $this->addArrayInline ($incoming_data, $incoming_indent); |
||
739 | |||
740 | $key = key ($incoming_data); |
||
741 | $value = isset($incoming_data[$key]) ? $incoming_data[$key] : null; |
||
742 | if ($key === '__!YAMLZero') $key = '0'; |
||
743 | |||
744 | if ($incoming_indent == 0 && !$this->_containsGroupAlias && !$this->_containsGroupAnchor) { // Shortcut for root-level values. |
||
745 | if ($key || $key === '' || $key === '0') { |
||
746 | $this->result[$key] = $value; |
||
747 | } else { |
||
748 | $this->result[] = $value; end ($this->result); $key = key ($this->result); |
||
749 | } |
||
750 | $this->path[$incoming_indent] = $key; |
||
751 | return; |
||
752 | } |
||
753 | |||
754 | |||
755 | |||
756 | $history = array(); |
||
757 | // Unfolding inner array tree. |
||
758 | $history[] = $_arr = $this->result; |
||
759 | foreach ($this->path as $k) { |
||
760 | $history[] = $_arr = $_arr[$k]; |
||
761 | } |
||
762 | |||
763 | if ($this->_containsGroupAlias) { |
||
764 | $value = $this->referenceContentsByAlias($this->_containsGroupAlias); |
||
765 | $this->_containsGroupAlias = false; |
||
766 | } |
||
767 | |||
768 | |||
769 | // Adding string or numeric key to the innermost level or $this->arr. |
||
770 | if (is_string($key) && $key == '<<') { |
||
771 | if (!is_array ($_arr)) { $_arr = array (); } |
||
772 | $_arr = array_merge ($_arr, $value); |
||
773 | } else if ($key || $key === '' || $key === '0') { |
||
774 | $_arr[$key] = $value; |
||
775 | } else { |
||
776 | if (!is_array ($_arr)) { $_arr = array ($value); $key = 0; } |
||
777 | else { $_arr[] = $value; end ($_arr); $key = key ($_arr); } |
||
778 | } |
||
779 | |||
780 | $reverse_path = array_reverse($this->path); |
||
781 | $reverse_history = array_reverse ($history); |
||
782 | $reverse_history[0] = $_arr; |
||
783 | $cnt = count($reverse_history) - 1; |
||
784 | for ($i = 0; $i < $cnt; $i++) { |
||
785 | $reverse_history[$i+1][$reverse_path[$i]] = $reverse_history[$i]; |
||
786 | } |
||
787 | $this->result = $reverse_history[$cnt]; |
||
788 | |||
789 | $this->path[$incoming_indent] = $key; |
||
790 | |||
791 | if ($this->_containsGroupAnchor) { |
||
792 | $this->SavedGroups[$this->_containsGroupAnchor] = $this->path; |
||
793 | if (is_array ($value)) { |
||
794 | $k = key ($value); |
||
795 | if (!is_int ($k)) { |
||
796 | $this->SavedGroups[$this->_containsGroupAnchor][$incoming_indent + 2] = $k; |
||
797 | } |
||
798 | } |
||
799 | $this->_containsGroupAnchor = false; |
||
800 | } |
||
801 | |||
802 | } |
||
803 | |||
804 | function startsLiteralBlock ($line) { |
||
805 | $lastChar = substr (trim($line), -1); |
||
806 | if ($lastChar != '>' && $lastChar != '|') return false; |
||
807 | if ($lastChar == '|') return $lastChar; |
||
808 | // HTML tags should not be counted as literal blocks. |
||
809 | if (preg_match ('#<.*?>$#', $line)) return false; |
||
810 | return $lastChar; |
||
811 | } |
||
812 | |||
813 | function greedilyNeedNextLine($line) { |
||
814 | $line = trim ($line); |
||
815 | if (!strlen($line)) return false; |
||
816 | if (substr ($line, -1, 1) == ']') return false; |
||
817 | if ($line[0] == '[') return true; |
||
818 | if (preg_match ('#^[^:]+?:\s*\[#', $line)) return true; |
||
819 | return false; |
||
820 | } |
||
821 | |||
822 | function addLiteralLine ($literalBlock, $line, $literalBlockStyle) { |
||
823 | $line = $this->stripIndent($line); |
||
824 | $line = rtrim ($line, "\r\n\t ") . "\n"; |
||
825 | if ($literalBlockStyle == '|') { |
||
826 | return $literalBlock . $line; |
||
827 | } |
||
828 | if (strlen($line) == 0) |
||
829 | return rtrim($literalBlock, ' ') . "\n"; |
||
830 | if ($line == "\n" && $literalBlockStyle == '>') { |
||
831 | return rtrim ($literalBlock, " \t") . "\n"; |
||
832 | } |
||
833 | if ($line != "\n") |
||
834 | $line = trim ($line, "\r\n ") . " "; |
||
835 | return $literalBlock . $line; |
||
836 | } |
||
837 | |||
838 | function revertLiteralPlaceHolder ($lineArray, $literalBlock) { |
||
839 | foreach ($lineArray as $k => $_) { |
||
840 | if (is_array($_)) |
||
841 | $lineArray[$k] = $this->revertLiteralPlaceHolder ($_, $literalBlock); |
||
842 | else if (substr($_, -1 * strlen ($this->LiteralPlaceHolder)) == $this->LiteralPlaceHolder) |
||
843 | $lineArray[$k] = rtrim ($literalBlock, " \r\n"); |
||
844 | } |
||
845 | return $lineArray; |
||
846 | } |
||
847 | |||
848 | function stripIndent ($line, $indent = -1) { |
||
849 | if ($indent == -1) $indent = strlen($line) - strlen(ltrim($line)); |
||
850 | return substr ($line, $indent); |
||
851 | } |
||
852 | |||
853 | function getParentPathByIndent ($indent) { |
||
854 | if ($indent == 0) return array(); |
||
855 | $linePath = $this->path; |
||
856 | do { |
||
857 | end($linePath); $lastIndentInParentPath = key($linePath); |
||
858 | if ($indent <= $lastIndentInParentPath) array_pop ($linePath); |
||
859 | } while ($indent <= $lastIndentInParentPath); |
||
860 | return $linePath; |
||
861 | } |
||
862 | |||
863 | |||
864 | function clearBiggerPathValues ($indent) { |
||
865 | |||
866 | |||
867 | if ($indent == 0) $this->path = array(); |
||
868 | if (empty ($this->path)) return true; |
||
869 | |||
870 | foreach ($this->path as $k => $_) { |
||
871 | if ($k > $indent) unset ($this->path[$k]); |
||
872 | } |
||
873 | |||
874 | return true; |
||
875 | } |
||
876 | |||
877 | |||
878 | function isComment ($line) { |
||
879 | if (!$line) return false; |
||
880 | if ($line[0] == '#') return true; |
||
881 | if (trim($line, " \r\n\t") == '---') return true; |
||
882 | return false; |
||
883 | } |
||
884 | |||
885 | function isEmpty ($line) { |
||
886 | return (trim ($line) === ''); |
||
887 | } |
||
888 | |||
889 | |||
890 | function isArrayElement ($line) { |
||
891 | if (!$line) return false; |
||
892 | if ($line[0] != '-') return false; |
||
893 | if (strlen ($line) > 3) |
||
894 | if (substr($line,0,3) == '---') return false; |
||
895 | |||
896 | return true; |
||
897 | } |
||
898 | |||
899 | function isHashElement ($line) { |
||
900 | return strpos($line, ':'); |
||
901 | } |
||
902 | |||
903 | function isLiteral ($line) { |
||
904 | if ($this->isArrayElement($line)) return false; |
||
905 | if ($this->isHashElement($line)) return false; |
||
906 | return true; |
||
907 | } |
||
908 | |||
909 | |||
910 | function unquote ($value) { |
||
911 | if (!$value) return $value; |
||
912 | if (!is_string($value)) return $value; |
||
913 | if ($value[0] == '\'') return trim ($value, '\''); |
||
914 | if ($value[0] == '"') return trim ($value, '"'); |
||
915 | return $value; |
||
916 | } |
||
917 | |||
918 | function startsMappedSequence ($line) { |
||
919 | return ($line[0] == '-' && substr ($line, -1, 1) == ':'); |
||
920 | } |
||
921 | |||
922 | function returnMappedSequence ($line) { |
||
923 | $array = array(); |
||
924 | $key = $this->unquote(trim(substr($line,1,-1))); |
||
925 | $array[$key] = array(); |
||
926 | $this->delayedPath = array(strpos ($line, $key) + $this->indent => $key); |
||
927 | return array($array); |
||
928 | } |
||
929 | |||
930 | function returnMappedValue ($line) { |
||
931 | $array = array(); |
||
932 | $key = $this->unquote (trim(substr($line,0,-1))); |
||
933 | $array[$key] = ''; |
||
934 | return $array; |
||
935 | } |
||
936 | |||
937 | function startsMappedValue ($line) { |
||
938 | return (substr ($line, -1, 1) == ':'); |
||
939 | } |
||
940 | |||
941 | function isPlainArray ($line) { |
||
942 | return ($line[0] == '[' && substr ($line, -1, 1) == ']'); |
||
943 | } |
||
944 | |||
945 | function returnPlainArray ($line) { |
||
946 | return $this->_toType($line); |
||
947 | } |
||
948 | |||
949 | function returnKeyValuePair ($line) { |
||
950 | $array = array(); |
||
951 | $key = ''; |
||
952 | if (strpos ($line, ':')) { |
||
953 | // It's a key/value pair most likely |
||
954 | // If the key is in double quotes pull it out |
||
955 | if (($line[0] == '"' || $line[0] == "'") && preg_match('/^(["\'](.*)["\'](\s)*:)/',$line,$matches)) { |
||
956 | $value = trim(str_replace($matches[1],'',$line)); |
||
957 | $key = $matches[2]; |
||
958 | } else { |
||
959 | // Do some guesswork as to the key and the value |
||
960 | $explode = explode(':',$line); |
||
961 | $key = trim($explode[0]); |
||
962 | array_shift($explode); |
||
963 | $value = trim(implode(':',$explode)); |
||
964 | } |
||
965 | // Set the type of the value. Int, string, etc |
||
966 | $value = $this->_toType($value); |
||
967 | if ($key === '0') $key = '__!YAMLZero'; |
||
968 | $array[$key] = $value; |
||
969 | } else { |
||
970 | $array = array ($line); |
||
971 | } |
||
972 | return $array; |
||
973 | |||
974 | } |
||
975 | |||
976 | |||
977 | function returnArrayElement ($line) { |
||
978 | if (strlen($line) <= 1) return array(array()); // Weird %) |
||
979 | $array = array(); |
||
980 | $value = trim(substr($line,1)); |
||
981 | $value = $this->_toType($value); |
||
982 | $array[] = $value; |
||
983 | return $array; |
||
984 | } |
||
985 | |||
986 | |||
987 | function nodeContainsGroup ($line) { |
||
988 | $symbolsForReference = 'A-z0-9_\-'; |
||
989 | if (strpos($line, '&') === false && strpos($line, '*') === false) return false; // Please die fast ;-) |
||
990 | if ($line[0] == '&' && preg_match('/^(&['.$symbolsForReference.']+)/', $line, $matches)) return $matches[1]; |
||
991 | if ($line[0] == '*' && preg_match('/^(\*['.$symbolsForReference.']+)/', $line, $matches)) return $matches[1]; |
||
992 | if (preg_match('/(&['.$symbolsForReference.']+)$/', $line, $matches)) return $matches[1]; |
||
993 | if (preg_match('/(\*['.$symbolsForReference.']+$)/', $line, $matches)) return $matches[1]; |
||
994 | if (preg_match ('#^\s*<<\s*:\s*(\*[^\s]+).*$#', $line, $matches)) return $matches[1]; |
||
995 | return false; |
||
996 | |||
997 | } |
||
998 | |||
999 | function addGroup ($line, $group) { |
||
1000 | if ($group[0] == '&') $this->_containsGroupAnchor = substr ($group, 1); |
||
1001 | if ($group[0] == '*') $this->_containsGroupAlias = substr ($group, 1); |
||
1002 | //print_r ($this->path); |
||
1003 | } |
||
1004 | |||
1005 | function stripGroup ($line, $group) { |
||
1006 | $line = trim(str_replace($group, '', $line)); |
||
1007 | return $line; |
||
1008 | } |
||
1009 | } |
||
1010 | |||
1011 | // Enable use of Spyc from command line |
||
1012 | // The syntax is the following: php spyc.php spyc.yaml |
||
1013 | |||
1014 | define ('SPYC_FROM_COMMAND_LINE', false); |
||
1015 | |||
1016 | do { |
||
1017 | if (!SPYC_FROM_COMMAND_LINE) break; |
||
1018 | if (empty ($_SERVER['argc']) || $_SERVER['argc'] < 2) break; |
||
1019 | if (empty ($_SERVER['PHP_SELF']) || $_SERVER['PHP_SELF'] != 'spyc.php') break; |
||
1020 | $file = $argv[1]; |
||
1021 | printf ("Spyc loading file: %s\n", $file); |
||
1022 | print_r (spyc_load_file ($file)); |
||
1023 | } while (0); |