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1 | <?php |
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2 | |||
3 | /* |
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4 | * This file is part of the rybakit/msgpack.php package. |
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5 | * |
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6 | * (c) Eugene Leonovich <[email protected]> |
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7 | * |
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8 | * For the full copyright and license information, please view the LICENSE |
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9 | * file that was distributed with this source code. |
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10 | */ |
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11 | |||
12 | namespace MessagePack; |
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13 | |||
14 | use MessagePack\Exception\InvalidOptionException; |
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15 | use MessagePack\Exception\PackingFailedException; |
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16 | use MessagePack\TypeTransformer\Collection; |
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17 | |||
18 | class Packer |
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19 | { |
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20 | const UTF8_REGEX = '/\A(?: |
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21 | [\x00-\x7F]++ # ASCII |
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22 | | [\xC2-\xDF][\x80-\xBF] # non-overlong 2-byte |
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23 | | \xE0[\xA0-\xBF][\x80-\xBF] # excluding overlongs |
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24 | | [\xE1-\xEC\xEE\xEF][\x80-\xBF]{2} # straight 3-byte |
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25 | | \xED[\x80-\x9F][\x80-\xBF] # excluding surrogates |
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26 | | \xF0[\x90-\xBF][\x80-\xBF]{2} # planes 1-3 |
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27 | | [\xF1-\xF3][\x80-\xBF]{3} # planes 4-15 |
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28 | | \xF4[\x80-\x8F][\x80-\xBF]{2} # plane 16 |
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29 | )*+\z/x'; |
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30 | |||
31 | private $isDetectStrBin; |
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32 | private $isForceStr; |
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33 | private $isDetectArrMap; |
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34 | private $isForceArr; |
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35 | private $isForceFloat32; |
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36 | |||
37 | /** |
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38 | * @var Collection|null |
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39 | */ |
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40 | private $transformers; |
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41 | |||
42 | /** |
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43 | * @param PackOptions|int|null $options |
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44 | * |
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45 | * @throws InvalidOptionException |
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46 | */ |
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47 | 106 | public function __construct($options = null) |
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48 | { |
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49 | 106 | if (!$options instanceof PackOptions) { |
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50 | 106 | $options = PackOptions::fromBitmask($options); |
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51 | } |
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52 | |||
53 | 106 | $this->isDetectStrBin = $options->isDetectStrBinMode(); |
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54 | 106 | $this->isForceStr = $options->isForceStrMode(); |
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55 | 106 | $this->isDetectArrMap = $options->isDetectArrMapMode(); |
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56 | 106 | $this->isForceArr = $options->isForceArrMode(); |
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57 | 106 | $this->isForceFloat32 = $options->isForceFloat32Mode(); |
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58 | 106 | } |
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59 | |||
60 | /** |
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61 | * @param Collection|null $transformers |
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62 | */ |
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63 | 2 | public function setTransformers(Collection $transformers = null) |
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64 | { |
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65 | 2 | $this->transformers = $transformers; |
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66 | 2 | } |
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67 | |||
68 | /** |
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69 | * @return Collection|null |
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70 | */ |
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71 | 1 | public function getTransformers() |
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72 | { |
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73 | 1 | return $this->transformers; |
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74 | } |
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75 | |||
76 | 98 | public function pack($value) |
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77 | { |
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78 | 98 | if (\is_int($value)) { |
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79 | 53 | return $this->packInt($value); |
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80 | } |
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81 | 69 | if (\is_string($value)) { |
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82 | 33 | if ($this->isDetectStrBin) { |
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83 | 27 | return \preg_match(self::UTF8_REGEX, $value) |
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84 | 19 | ? $this->packStr($value) |
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85 | 27 | : $this->packBin($value); |
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86 | } |
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87 | |||
88 | 6 | return $this->isForceStr ? $this->packStr($value) : $this->packBin($value); |
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89 | } |
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90 | 46 | if (\is_array($value)) { |
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91 | 26 | if ($this->isDetectArrMap) { |
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92 | 19 | return \array_values($value) === $value |
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93 | 10 | ? $this->packArray($value) |
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94 | 19 | : $this->packMap($value); |
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95 | } |
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96 | |||
97 | 7 | return $this->isForceArr ? $this->packArray($value) : $this->packMap($value); |
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98 | } |
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99 | 24 | if (null === $value) { |
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100 | 3 | return $this->packNil(); |
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101 | } |
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102 | 23 | if (\is_bool($value)) { |
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103 | 6 | return $this->packBool($value); |
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104 | } |
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105 | 18 | if (\is_float($value)) { |
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106 | 6 | return $this->isForceFloat32 |
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107 | 1 | ? $this->packFloat32($value) |
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108 | 6 | : $this->packFloat64($value); |
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109 | } |
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110 | 12 | if ($value instanceof Ext) { |
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111 | 9 | return $this->packExt($value); |
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112 | } |
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113 | |||
114 | 3 | if ($this->transformers && $transformer = $this->transformers->match($value)) { |
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115 | 1 | $ext = new Ext($transformer->getId(), $this->pack($transformer->transform($value))); |
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116 | |||
117 | 1 | return $this->packExt($ext); |
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118 | } |
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119 | |||
120 | 2 | throw new PackingFailedException($value, 'Unsupported type.'); |
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121 | } |
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122 | |||
123 | 13 | public function packArray(array $array) |
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124 | { |
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125 | 13 | $size = \count($array); |
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126 | 13 | $data = self::packArrayHeader($size); |
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127 | |||
128 | 13 | foreach ($array as $val) { |
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129 | 12 | $data .= $this->pack($val); |
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130 | } |
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131 | |||
132 | 13 | return $data; |
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133 | } |
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134 | |||
135 | 13 | View Code Duplication | private static function packArrayHeader($size) |
136 | { |
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137 | 13 | if ($size <= 0xf) { |
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138 | 10 | return \chr(0x90 | $size); |
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139 | } |
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140 | 3 | if ($size <= 0xffff) { |
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141 | 2 | return "\xdc".\chr($size >> 8).\chr($size); |
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142 | } |
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143 | |||
144 | 1 | return \pack('CN', 0xdd, $size); |
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145 | } |
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146 | |||
147 | 15 | public function packMap(array $map) |
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148 | { |
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149 | 15 | $size = \count($map); |
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150 | 15 | $data = self::packMapHeader($size); |
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151 | |||
152 | 15 | foreach ($map as $key => $val) { |
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153 | 15 | $data .= $this->pack($key); |
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154 | 15 | $data .= $this->pack($val); |
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155 | } |
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156 | |||
157 | 15 | return $data; |
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158 | } |
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159 | |||
160 | 15 | View Code Duplication | private static function packMapHeader($size) |
161 | { |
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162 | 15 | if ($size <= 0xf) { |
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163 | 12 | return \chr(0x80 | $size); |
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164 | } |
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165 | 3 | if ($size <= 0xffff) { |
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166 | 2 | return "\xde".\chr($size >> 8).\chr($size); |
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167 | } |
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168 | |||
169 | 1 | return \pack('CN', 0xdf, $size); |
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170 | } |
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171 | |||
172 | 22 | public function packStr($str) |
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173 | { |
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174 | 22 | $len = \strlen($str); |
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175 | |||
176 | 22 | if ($len < 32) { |
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177 | 15 | return \chr(0xa0 | $len).$str; |
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178 | } |
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179 | 7 | if ($len <= 0xff) { |
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180 | 4 | return "\xd9".\chr($len).$str; |
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181 | } |
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182 | 3 | if ($len <= 0xffff) { |
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183 | 2 | return "\xda".\chr($len >> 8).\chr($len).$str; |
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184 | } |
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185 | |||
186 | 1 | return \pack('CN', 0xdb, $len).$str; |
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187 | } |
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188 | |||
189 | 13 | public function packBin($str) |
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190 | { |
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191 | 13 | $len = \strlen($str); |
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192 | |||
193 | 13 | if ($len <= 0xff) { |
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194 | 11 | return "\xc4".\chr($len).$str; |
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195 | } |
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196 | 2 | if ($len <= 0xffff) { |
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197 | 1 | return "\xc5".\chr($len >> 8).\chr($len).$str; |
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198 | } |
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199 | |||
200 | 1 | return \pack('CN', 0xc6, $len).$str; |
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201 | } |
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202 | |||
203 | 10 | public function packExt(Ext $ext) |
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204 | { |
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205 | 10 | $type = $ext->getType(); |
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206 | 10 | $data = $ext->getData(); |
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207 | 10 | $len = \strlen($data); |
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208 | |||
209 | 10 | switch ($len) { |
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210 | 10 | case 1: return "\xd4".\chr($type).$data; |
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0 ignored issues
–
show
Terminating statement must be on a line by itself
As per the PSR-2 coding standard, the switch ($expr) {
case "A":
doSomething();
break; //wrong
case "B":
doSomething();
break; //right
case "C:":
doSomething();
return true; //right
}
To learn more about the PSR-2 coding standard, please refer to the PHP-Fig.
Loading history...
|
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211 | 8 | case 2: return "\xd5".\chr($type).$data; |
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0 ignored issues
–
show
The case body in a switch statement must start on the line following the statement.
According to the PSR-2, the body of a case statement must start on the line immediately following the case statement. switch ($expr) {
case "A":
doSomething(); //right
break;
case "B":
doSomethingElse(); //wrong
break;
} To learn more about the PSR-2 coding standard, please refer to the PHP-Fig.
Loading history...
Terminating statement must be on a line by itself
As per the PSR-2 coding standard, the switch ($expr) {
case "A":
doSomething();
break; //wrong
case "B":
doSomething();
break; //right
case "C:":
doSomething();
return true; //right
}
To learn more about the PSR-2 coding standard, please refer to the PHP-Fig.
Loading history...
|
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212 | 7 | case 4: return "\xd6".\chr($type).$data; |
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213 | 6 | case 8: return "\xd7".\chr($type).$data; |
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214 | 5 | case 16: return "\xd8".\chr($type).$data; |
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215 | } |
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216 | |||
217 | 4 | if ($len <= 0xff) { |
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218 | 2 | return "\xc7".\chr($len).\chr($type).$data; |
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219 | } |
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220 | 2 | if ($len <= 0xffff) { |
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221 | 1 | return \pack('CnC', 0xc8, $len, $type).$data; |
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222 | } |
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223 | |||
224 | 1 | return \pack('CNC', 0xc9, $len, $type).$data; |
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225 | } |
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226 | |||
227 | 3 | public function packNil() |
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228 | { |
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229 | 3 | return "\xc0"; |
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230 | } |
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231 | |||
232 | 6 | public function packBool($val) |
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233 | { |
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234 | 6 | return $val ? "\xc3" : "\xc2"; |
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235 | } |
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236 | |||
237 | 3 | public function packFloat32($num) |
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238 | { |
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239 | 3 | return "\xca".\strrev(\pack('f', $num)); |
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240 | } |
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241 | |||
242 | 5 | public function packFloat64($num) |
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243 | { |
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244 | 5 | return "\xcb".\strrev(\pack('d', $num)); |
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245 | } |
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246 | |||
247 | 53 | public function packInt($num) |
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248 | { |
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249 | 53 | if ($num >= 0) { |
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250 | 38 | if ($num <= 0x7f) { |
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251 | 26 | return \chr($num); |
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252 | } |
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253 | 16 | if ($num <= 0xff) { |
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254 | 6 | return "\xcc".\chr($num); |
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255 | } |
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256 | 12 | if ($num <= 0xffff) { |
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257 | 6 | return "\xcd".\chr($num >> 8).\chr($num); |
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258 | } |
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259 | 7 | if ($num <= 0xffffffff) { |
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260 | 5 | return \pack('CN', 0xce, $num); |
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261 | } |
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262 | |||
263 | 3 | return self::packUint64(0xcf, $num); |
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264 | } |
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265 | |||
266 | 16 | if ($num >= -0x20) { |
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267 | 4 | return \chr(0xe0 | $num); |
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268 | } |
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269 | 12 | if ($num >= -0x80) { |
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270 | 3 | return "\xd0".\chr($num); |
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271 | } |
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272 | 9 | if ($num >= -0x8000) { |
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273 | 3 | return "\xd1".\chr($num >> 8).\chr($num); |
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274 | } |
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275 | 6 | if ($num >= -0x80000000) { |
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276 | 3 | return \pack('CN', 0xd2, $num); |
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277 | } |
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278 | |||
279 | 3 | return self::packUint64(0xd3, $num); |
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280 | } |
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281 | |||
282 | 6 | private static function packUint64($code, $num) |
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283 | { |
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284 | 6 | $hi = ($num & 0xffffffff00000000) >> 32; |
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285 | 6 | $lo = $num & 0x00000000ffffffff; |
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286 | |||
287 | 6 | return \pack('CNN', $code, $hi, $lo); |
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288 | } |
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289 | } |
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290 |
According to the PSR-2, the body of a case statement must start on the line immediately following the case statement.
}
To learn more about the PSR-2 coding standard, please refer to the PHP-Fig.