avm99963 | 99bb77c | 2020-01-27 03:15:08 +0100 | [diff] [blame^] | 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\Descriptor; |
| 36 | use Google\Protobuf\Internal\FileDescriptor; |
| 37 | use Google\Protobuf\Internal\FileDescriptorSet; |
| 38 | use Google\Protobuf\Internal\MessageBuilderContext; |
| 39 | use Google\Protobuf\Internal\EnumBuilderContext; |
| 40 | |
| 41 | class DescriptorPool |
| 42 | { |
| 43 | private static $pool; |
| 44 | // Map from message names to sub-maps, which are maps from field numbers to |
| 45 | // field descriptors. |
| 46 | private $class_to_desc = []; |
| 47 | private $class_to_enum_desc = []; |
| 48 | private $proto_to_class = []; |
| 49 | |
| 50 | public static function getGeneratedPool() |
| 51 | { |
| 52 | if (!isset(self::$pool)) { |
| 53 | self::$pool = new DescriptorPool(); |
| 54 | } |
| 55 | return self::$pool; |
| 56 | } |
| 57 | |
| 58 | public function internalAddGeneratedFile($data, $use_nested = false) |
| 59 | { |
| 60 | $files = new FileDescriptorSet(); |
| 61 | $files->mergeFromString($data); |
| 62 | $file = FileDescriptor::buildFromProto($files->getFile()[0]); |
| 63 | |
| 64 | foreach ($file->getMessageType() as $desc) { |
| 65 | $this->addDescriptor($desc); |
| 66 | } |
| 67 | unset($desc); |
| 68 | |
| 69 | foreach ($file->getEnumType() as $desc) { |
| 70 | $this->addEnumDescriptor($desc); |
| 71 | } |
| 72 | unset($desc); |
| 73 | |
| 74 | foreach ($file->getMessageType() as $desc) { |
| 75 | $this->crossLink($desc); |
| 76 | } |
| 77 | unset($desc); |
| 78 | } |
| 79 | |
| 80 | public function addMessage($name, $klass) |
| 81 | { |
| 82 | return new MessageBuilderContext($name, $klass, $this); |
| 83 | } |
| 84 | |
| 85 | public function addEnum($name, $klass) |
| 86 | { |
| 87 | return new EnumBuilderContext($name, $klass, $this); |
| 88 | } |
| 89 | |
| 90 | public function addDescriptor($descriptor) |
| 91 | { |
| 92 | $this->proto_to_class[$descriptor->getFullName()] = |
| 93 | $descriptor->getClass(); |
| 94 | $this->class_to_desc[$descriptor->getClass()] = $descriptor; |
| 95 | $this->class_to_desc[$descriptor->getLegacyClass()] = $descriptor; |
| 96 | foreach ($descriptor->getNestedType() as $nested_type) { |
| 97 | $this->addDescriptor($nested_type); |
| 98 | } |
| 99 | foreach ($descriptor->getEnumType() as $enum_type) { |
| 100 | $this->addEnumDescriptor($enum_type); |
| 101 | } |
| 102 | } |
| 103 | |
| 104 | public function addEnumDescriptor($descriptor) |
| 105 | { |
| 106 | $this->proto_to_class[$descriptor->getFullName()] = |
| 107 | $descriptor->getClass(); |
| 108 | $this->class_to_enum_desc[$descriptor->getClass()] = $descriptor; |
| 109 | $this->class_to_enum_desc[$descriptor->getLegacyClass()] = $descriptor; |
| 110 | } |
| 111 | |
| 112 | public function getDescriptorByClassName($klass) |
| 113 | { |
| 114 | if (isset($this->class_to_desc[$klass])) { |
| 115 | return $this->class_to_desc[$klass]; |
| 116 | } else { |
| 117 | return null; |
| 118 | } |
| 119 | } |
| 120 | |
| 121 | public function getEnumDescriptorByClassName($klass) |
| 122 | { |
| 123 | if (isset($this->class_to_enum_desc[$klass])) { |
| 124 | return $this->class_to_enum_desc[$klass]; |
| 125 | } else { |
| 126 | return null; |
| 127 | } |
| 128 | } |
| 129 | |
| 130 | public function getDescriptorByProtoName($proto) |
| 131 | { |
| 132 | if (isset($this->proto_to_class[$proto])) { |
| 133 | $klass = $this->proto_to_class[$proto]; |
| 134 | return $this->class_to_desc[$klass]; |
| 135 | } else { |
| 136 | return null; |
| 137 | } |
| 138 | } |
| 139 | |
| 140 | public function getEnumDescriptorByProtoName($proto) |
| 141 | { |
| 142 | $klass = $this->proto_to_class[$proto]; |
| 143 | return $this->class_to_enum_desc[$klass]; |
| 144 | } |
| 145 | |
| 146 | private function crossLink(Descriptor $desc) |
| 147 | { |
| 148 | foreach ($desc->getField() as $field) { |
| 149 | switch ($field->getType()) { |
| 150 | case GPBType::MESSAGE: |
| 151 | $proto = $field->getMessageType(); |
| 152 | $field->setMessageType( |
| 153 | $this->getDescriptorByProtoName($proto)); |
| 154 | break; |
| 155 | case GPBType::ENUM: |
| 156 | $proto = $field->getEnumType(); |
| 157 | $field->setEnumType( |
| 158 | $this->getEnumDescriptorByProtoName($proto)); |
| 159 | break; |
| 160 | default: |
| 161 | break; |
| 162 | } |
| 163 | } |
| 164 | unset($field); |
| 165 | |
| 166 | foreach ($desc->getNestedType() as $nested_type) { |
| 167 | $this->crossLink($nested_type); |
| 168 | } |
| 169 | unset($nested_type); |
| 170 | } |
| 171 | |
| 172 | public function finish() |
| 173 | { |
| 174 | foreach ($this->class_to_desc as $klass => $desc) { |
| 175 | $this->crossLink($desc); |
| 176 | } |
| 177 | unset($desc); |
| 178 | } |
| 179 | } |