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| 1 <?php |
| 2 |
| 3 // Protocol Buffers - Google's data interchange format |
| 4 // Copyright 2008 Google Inc. All rights reserved. |
| 5 // https://developers.google.com/protocol-buffers/ |
| 6 // |
| 7 // Redistribution and use in source and binary forms, with or without |
| 8 // modification, are permitted provided that the following conditions are |
| 9 // met: |
| 10 // |
| 11 // * Redistributions of source code must retain the above copyright |
| 12 // notice, this list of conditions and the following disclaimer. |
| 13 // * Redistributions in binary form must reproduce the above |
| 14 // copyright notice, this list of conditions and the following disclaimer |
| 15 // in the documentation and/or other materials provided with the |
| 16 // distribution. |
| 17 // * Neither the name of Google Inc. nor the names of its |
| 18 // contributors may be used to endorse or promote products derived from |
| 19 // this software without specific prior written permission. |
| 20 // |
| 21 // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
| 22 // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
| 23 // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
| 24 // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
| 25 // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| 26 // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
| 27 // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| 28 // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| 29 // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| 30 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| 31 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| 32 |
| 33 namespace Google\Protobuf\Internal; |
| 34 |
| 35 use Google\Protobuf\Internal\GPBType; |
| 36 use Google\Protobuf\Internal\RepeatedField; |
| 37 |
| 38 class GPBUtil |
| 39 { |
| 40 public function divideInt64ToInt32($value, &$high, &$low, $trim = false) |
| 41 { |
| 42 $isNeg = (bccomp($value, 0) < 0); |
| 43 if ($isNeg) { |
| 44 $value = bcsub(0, $value); |
| 45 } |
| 46 $high = (int) bcdiv(bcadd($value, 1), 4294967296); |
| 47 $low = (int) bcmod($value, 4294967296); |
| 48 if ($isNeg) { |
| 49 $high = ~$high; |
| 50 $low = ~$low; |
| 51 $low++; |
| 52 if (!$low) { |
| 53 $high++; |
| 54 } |
| 55 } |
| 56 |
| 57 if ($trim) { |
| 58 $high = 0; |
| 59 } |
| 60 } |
| 61 |
| 62 |
| 63 public static function checkString(&$var, $check_utf8) |
| 64 { |
| 65 if (is_array($var) || is_object($var)) { |
| 66 trigger_error("Expect string.", E_USER_ERROR); |
| 67 return; |
| 68 } |
| 69 if (!is_string($var)) { |
| 70 $var = strval($var); |
| 71 } |
| 72 if ($check_utf8 && !preg_match('//u', $var)) { |
| 73 trigger_error("Expect utf-8 encoding.", E_USER_ERROR); |
| 74 return; |
| 75 } |
| 76 } |
| 77 |
| 78 public static function checkEnum(&$var) |
| 79 { |
| 80 static::checkInt32($var); |
| 81 } |
| 82 |
| 83 public static function checkInt32(&$var) |
| 84 { |
| 85 if (is_numeric($var)) { |
| 86 $var = intval($var); |
| 87 } else { |
| 88 trigger_error("Expect integer.", E_USER_ERROR); |
| 89 } |
| 90 } |
| 91 |
| 92 public static function checkUint32(&$var) |
| 93 { |
| 94 if (is_numeric($var)) { |
| 95 if (PHP_INT_SIZE === 8) { |
| 96 $var = intval($var); |
| 97 $var |= ((-(($var >> 31) & 0x1)) & ~0xFFFFFFFF); |
| 98 } else { |
| 99 if (bccomp($var, 0x7FFFFFFF) > 0) { |
| 100 $var = bcsub($var, "4294967296"); |
| 101 } |
| 102 $var = (int) $var; |
| 103 } |
| 104 } else { |
| 105 trigger_error("Expect integer.", E_USER_ERROR); |
| 106 } |
| 107 } |
| 108 |
| 109 public static function checkInt64(&$var) |
| 110 { |
| 111 if (is_numeric($var)) { |
| 112 if (PHP_INT_SIZE == 8) { |
| 113 $var = intval($var); |
| 114 } else { |
| 115 $var = bcdiv($var, 1, 0); |
| 116 } |
| 117 } else { |
| 118 trigger_error("Expect integer.", E_USER_ERROR); |
| 119 } |
| 120 } |
| 121 |
| 122 public static function checkUint64(&$var) |
| 123 { |
| 124 if (is_numeric($var)) { |
| 125 if (PHP_INT_SIZE == 8) { |
| 126 $var = intval($var); |
| 127 } else { |
| 128 $var = bcdiv($var, 1, 0); |
| 129 } |
| 130 } else { |
| 131 trigger_error("Expect integer.", E_USER_ERROR); |
| 132 } |
| 133 } |
| 134 |
| 135 public static function checkFloat(&$var) |
| 136 { |
| 137 if (is_float($var) || is_numeric($var)) { |
| 138 $var = floatval($var); |
| 139 } else { |
| 140 trigger_error("Expect float.", E_USER_ERROR); |
| 141 } |
| 142 } |
| 143 |
| 144 public static function checkDouble(&$var) |
| 145 { |
| 146 if (is_float($var) || is_numeric($var)) { |
| 147 $var = floatval($var); |
| 148 } else { |
| 149 trigger_error("Expect float.", E_USER_ERROR); |
| 150 } |
| 151 } |
| 152 |
| 153 public static function checkBool(&$var) |
| 154 { |
| 155 if (is_array($var) || is_object($var)) { |
| 156 trigger_error("Expect boolean.", E_USER_ERROR); |
| 157 return; |
| 158 } |
| 159 $var = boolval($var); |
| 160 } |
| 161 |
| 162 public static function checkMessage(&$var, $klass) |
| 163 { |
| 164 if (!$var instanceof $klass && !is_null($var)) { |
| 165 trigger_error("Expect message.", E_USER_ERROR); |
| 166 } |
| 167 } |
| 168 |
| 169 public static function checkRepeatedField(&$var, $type, $klass = null) |
| 170 { |
| 171 if (!$var instanceof RepeatedField) { |
| 172 trigger_error("Expect repeated field.", E_USER_ERROR); |
| 173 } |
| 174 if ($var->getType() != $type) { |
| 175 trigger_error( |
| 176 "Expect repeated field of different type.", |
| 177 E_USER_ERROR); |
| 178 } |
| 179 if ($var->getType() === GPBType::MESSAGE && |
| 180 $var->getClass() !== $klass) { |
| 181 trigger_error( |
| 182 "Expect repeated field of different message.", |
| 183 E_USER_ERROR); |
| 184 } |
| 185 } |
| 186 |
| 187 public static function Int64($value) |
| 188 { |
| 189 return new Int64($value); |
| 190 } |
| 191 |
| 192 public static function Uint64($value) |
| 193 { |
| 194 return new Uint64($value); |
| 195 } |
| 196 } |
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