| /* |
| * Copyright 2014 Google Inc. All rights reserved. |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| // independent from idl_parser, since this code is not needed for most clients |
| |
| #include <string> |
| |
| #include "flatbuffers/code_generators.h" |
| #include "flatbuffers/flatbuffers.h" |
| #include "flatbuffers/idl.h" |
| #include "flatbuffers/util.h" |
| |
| namespace flatbuffers { |
| namespace php { |
| // Hardcode spaces per indentation. |
| const std::string Indent = " "; |
| class PhpGenerator : public BaseGenerator { |
| public: |
| PhpGenerator(const Parser &parser, const std::string &path, |
| const std::string &file_name) |
| : BaseGenerator(parser, path, file_name, "\\", "\\") {} |
| bool generate() { |
| if (!GenerateEnums()) return false; |
| if (!GenerateStructs()) return false; |
| return true; |
| } |
| |
| private: |
| bool GenerateEnums() { |
| for (auto it = parser_.enums_.vec.begin(); it != parser_.enums_.vec.end(); |
| ++it) { |
| auto &enum_def = **it; |
| std::string enumcode; |
| GenEnum(enum_def, &enumcode); |
| if (!SaveType(enum_def, enumcode, false)) return false; |
| } |
| return true; |
| } |
| |
| bool GenerateStructs() { |
| for (auto it = parser_.structs_.vec.begin(); |
| it != parser_.structs_.vec.end(); ++it) { |
| auto &struct_def = **it; |
| std::string declcode; |
| GenStruct(struct_def, &declcode); |
| if (!SaveType(struct_def, declcode, true)) return false; |
| } |
| return true; |
| } |
| |
| // Begin by declaring namespace and imports. |
| void BeginFile(const std::string &name_space_name, const bool needs_imports, |
| std::string *code_ptr) { |
| auto &code = *code_ptr; |
| code += "<?php\n"; |
| code = code + "// " + FlatBuffersGeneratedWarning() + "\n\n"; |
| |
| if (!name_space_name.empty()) { |
| code += "namespace " + name_space_name + ";\n\n"; |
| } |
| |
| if (needs_imports) { |
| code += "use \\Google\\FlatBuffers\\Struct;\n"; |
| code += "use \\Google\\FlatBuffers\\Table;\n"; |
| code += "use \\Google\\FlatBuffers\\ByteBuffer;\n"; |
| code += "use \\Google\\FlatBuffers\\FlatBufferBuilder;\n"; |
| code += "\n"; |
| } |
| } |
| |
| // Save out the generated code for a Php Table type. |
| bool SaveType(const Definition &def, const std::string &classcode, |
| bool needs_imports) { |
| if (!classcode.length()) return true; |
| |
| std::string code = ""; |
| BeginFile(FullNamespace("\\", *def.defined_namespace), needs_imports, |
| &code); |
| code += classcode; |
| |
| std::string filename = |
| NamespaceDir(*def.defined_namespace) + def.name + ".php"; |
| return SaveFile(filename.c_str(), code, false); |
| } |
| |
| // Begin a class declaration. |
| static void BeginClass(const StructDef &struct_def, std::string *code_ptr) { |
| std::string &code = *code_ptr; |
| if (struct_def.fixed) { |
| code += "class " + struct_def.name + " extends Struct\n"; |
| } else { |
| code += "class " + struct_def.name + " extends Table\n"; |
| } |
| code += "{\n"; |
| } |
| |
| static void EndClass(std::string *code_ptr) { |
| std::string &code = *code_ptr; |
| code += "}\n"; |
| } |
| |
| // Begin enum code with a class declaration. |
| static void BeginEnum(const std::string &class_name, std::string *code_ptr) { |
| std::string &code = *code_ptr; |
| code += "class " + class_name + "\n{\n"; |
| } |
| |
| // A single enum member. |
| static void EnumMember(const EnumDef &enum_def, const EnumVal &ev, |
| std::string *code_ptr) { |
| std::string &code = *code_ptr; |
| code += Indent + "const "; |
| code += ev.name; |
| code += " = "; |
| code += enum_def.ToString(ev) + ";\n"; |
| } |
| |
| // End enum code. |
| static void EndEnum(std::string *code_ptr) { |
| std::string &code = *code_ptr; |
| code += "}\n"; |
| } |
| |
| // Initialize a new struct or table from existing data. |
| static void NewRootTypeFromBuffer(const StructDef &struct_def, |
| std::string *code_ptr) { |
| std::string &code = *code_ptr; |
| |
| code += Indent + "/**\n"; |
| code += Indent + " * @param ByteBuffer $bb\n"; |
| code += Indent + " * @return " + struct_def.name + "\n"; |
| code += Indent + " */\n"; |
| code += Indent + "public static function getRootAs"; |
| code += struct_def.name; |
| code += "(ByteBuffer $bb)\n"; |
| code += Indent + "{\n"; |
| |
| code += Indent + Indent + "$obj = new " + struct_def.name + "();\n"; |
| code += Indent + Indent; |
| code += "return ($obj->init($bb->getInt($bb->getPosition())"; |
| code += " + $bb->getPosition(), $bb));\n"; |
| code += Indent + "}\n\n"; |
| } |
| |
| // Initialize an existing object with other data, to avoid an allocation. |
| static void InitializeExisting(const StructDef &struct_def, |
| std::string *code_ptr) { |
| std::string &code = *code_ptr; |
| |
| code += Indent + "/**\n"; |
| code += Indent + " * @param int $_i offset\n"; |
| code += Indent + " * @param ByteBuffer $_bb\n"; |
| code += Indent + " * @return " + struct_def.name + "\n"; |
| code += Indent + " **/\n"; |
| code += Indent + "public function init($_i, ByteBuffer $_bb)\n"; |
| code += Indent + "{\n"; |
| code += Indent + Indent + "$this->bb_pos = $_i;\n"; |
| code += Indent + Indent + "$this->bb = $_bb;\n"; |
| code += Indent + Indent + "return $this;\n"; |
| code += Indent + "}\n\n"; |
| } |
| |
| // Get the length of a vector. |
| static void GetVectorLen(const FieldDef &field, std::string *code_ptr) { |
| std::string &code = *code_ptr; |
| |
| code += Indent + "/**\n"; |
| code += Indent + " * @return int\n"; |
| code += Indent + " */\n"; |
| code += Indent + "public function get"; |
| code += MakeCamel(field.name) + "Length()\n"; |
| code += Indent + "{\n"; |
| code += Indent + Indent + "$o = $this->__offset("; |
| code += NumToString(field.value.offset) + ");\n"; |
| code += Indent + Indent; |
| code += "return $o != 0 ? $this->__vector_len($o) : 0;\n"; |
| code += Indent + "}\n\n"; |
| } |
| |
| // Get a [ubyte] vector as a byte array. |
| static void GetUByte(const FieldDef &field, std::string *code_ptr) { |
| std::string &code = *code_ptr; |
| |
| code += Indent + "/**\n"; |
| code += Indent + " * @return string\n"; |
| code += Indent + " */\n"; |
| code += Indent + "public function get"; |
| code += MakeCamel(field.name) + "Bytes()\n"; |
| code += Indent + "{\n"; |
| code += Indent + Indent + "return $this->__vector_as_bytes("; |
| code += NumToString(field.value.offset) + ");\n"; |
| code += Indent + "}\n\n"; |
| } |
| |
| // Get the value of a struct's scalar. |
| static void GetScalarFieldOfStruct(const FieldDef &field, |
| std::string *code_ptr) { |
| std::string &code = *code_ptr; |
| std::string getter = GenGetter(field.value.type); |
| |
| code += Indent + "/**\n"; |
| code += Indent + " * @return "; |
| code += GenTypeGet(field.value.type) + "\n"; |
| code += Indent + " */\n"; |
| code += Indent + "public function " + getter; |
| code += MakeCamel(field.name) + "()\n"; |
| code += Indent + "{\n"; |
| code += Indent + Indent + "return "; |
| |
| code += "$this->bb->get"; |
| code += MakeCamel(GenTypeGet(field.value.type)); |
| code += "($this->bb_pos + "; |
| code += NumToString(field.value.offset) + ")"; |
| code += ";\n"; |
| |
| code += Indent + "}\n\n"; |
| } |
| |
| // Get the value of a table's scalar. |
| void GetScalarFieldOfTable(const FieldDef &field, std::string *code_ptr) { |
| std::string &code = *code_ptr; |
| std::string getter = GenGetter(field.value.type); |
| |
| code += Indent + "/**\n"; |
| code += Indent + " * @return " + GenTypeGet(field.value.type) + "\n"; |
| code += Indent + " */\n"; |
| code += Indent + "public function get"; |
| code += MakeCamel(field.name); |
| code += "()\n"; |
| code += Indent + "{\n"; |
| code += Indent + Indent + "$o = $this->__offset(" + |
| NumToString(field.value.offset) + ");\n" + Indent + Indent + |
| "return $o != 0 ? "; |
| code += "$this->bb->get"; |
| code += MakeCamel(GenTypeGet(field.value.type)) + "($o + $this->bb_pos)"; |
| code += " : " + GenDefaultValue(field.value) + ";\n"; |
| code += Indent + "}\n\n"; |
| } |
| |
| // Get a struct by initializing an existing struct. |
| // Specific to Struct. |
| void GetStructFieldOfStruct(const FieldDef &field, std::string *code_ptr) { |
| std::string &code = *code_ptr; |
| |
| code += Indent + "/**\n"; |
| code += Indent + " * @return " + GenTypeGet(field.value.type) + "\n"; |
| code += Indent + " */\n"; |
| code += Indent + "public function get"; |
| code += MakeCamel(field.name) + "()\n"; |
| code += Indent + "{\n"; |
| code += Indent + Indent + "$obj = new "; |
| code += GenTypeGet(field.value.type) + "();\n"; |
| code += Indent + Indent + "$obj->init($this->bb_pos + "; |
| code += NumToString(field.value.offset) + ", $this->bb);"; |
| code += "\n" + Indent + Indent + "return $obj;\n"; |
| code += Indent + "}\n\n"; |
| } |
| |
| // Get a struct by initializing an existing struct. |
| // Specific to Table. |
| void GetStructFieldOfTable(const FieldDef &field, std::string *code_ptr) { |
| std::string &code = *code_ptr; |
| |
| code += Indent + "public function get"; |
| code += MakeCamel(field.name); |
| code += "()\n"; |
| code += Indent + "{\n"; |
| code += Indent + Indent + "$obj = new "; |
| code += MakeCamel(GenTypeGet(field.value.type)) + "();\n"; |
| code += Indent + Indent + "$o = $this->__offset(" + |
| NumToString(field.value.offset) + ");\n"; |
| code += Indent + Indent; |
| code += "return $o != 0 ? $obj->init("; |
| if (field.value.type.struct_def->fixed) { |
| code += "$o + $this->bb_pos, $this->bb) : "; |
| } else { |
| code += "$this->__indirect($o + $this->bb_pos), $this->bb) : "; |
| } |
| code += GenDefaultValue(field.value) + ";\n"; |
| code += Indent + "}\n\n"; |
| } |
| |
| // Get the value of a string. |
| void GetStringField(const FieldDef &field, std::string *code_ptr) { |
| std::string &code = *code_ptr; |
| code += Indent + "public function get"; |
| code += MakeCamel(field.name); |
| code += "()\n"; |
| code += Indent + "{\n"; |
| code += Indent + Indent + "$o = $this->__offset(" + |
| NumToString(field.value.offset) + ");\n"; |
| code += Indent + Indent; |
| code += "return $o != 0 ? $this->__string($o + $this->bb_pos) : "; |
| code += GenDefaultValue(field.value) + ";\n"; |
| code += Indent + "}\n\n"; |
| } |
| |
| // Get the value of a union from an object. |
| void GetUnionField(const FieldDef &field, std::string *code_ptr) { |
| std::string &code = *code_ptr; |
| |
| code += Indent + "/**\n"; |
| code += Indent + " * @return" + GenTypeBasic(field.value.type) + "\n"; |
| code += Indent + " */\n"; |
| code += Indent + "public function get"; |
| code += MakeCamel(field.name) + "($obj)\n"; |
| code += Indent + "{\n"; |
| code += Indent + Indent + "$o = $this->__offset(" + |
| NumToString(field.value.offset) + ");\n"; |
| code += Indent + Indent; |
| code += "return $o != 0 ? $this->__union($obj, $o) : null;\n"; |
| code += Indent + "}\n\n"; |
| } |
| |
| // Get the value of a vector's struct member. |
| void GetMemberOfVectorOfStruct(const StructDef &struct_def, |
| const FieldDef &field, std::string *code_ptr) { |
| std::string &code = *code_ptr; |
| auto vectortype = field.value.type.VectorType(); |
| |
| code += Indent + "/**\n"; |
| code += Indent + " * @return" + GenTypeBasic(field.value.type) + "\n"; |
| code += Indent + " */\n"; |
| code += Indent + "public function get"; |
| code += MakeCamel(field.name); |
| code += "($j)\n"; |
| code += Indent + "{\n"; |
| code += Indent + Indent + "$o = $this->__offset(" + |
| NumToString(field.value.offset) + ");\n"; |
| code += Indent + Indent + "$obj = new "; |
| code += MakeCamel(GenTypeGet(field.value.type)) + "();\n"; |
| |
| switch (field.value.type.base_type) { |
| case BASE_TYPE_STRUCT: |
| if (struct_def.fixed) { |
| code += Indent + Indent; |
| code += "return $o != 0 ? $obj->init($this->bb_pos +" + |
| NumToString(field.value.offset) + ", $this->bb) : null;\n"; |
| } else { |
| code += Indent + Indent + "return $o != 0 ? $obj->init("; |
| code += field.value.type.struct_def->fixed |
| ? "$o + $this->bb_pos" |
| : "$this->__indirect($o + $this->bb_pos)"; |
| code += ", $this->bb) : null;\n"; |
| } |
| break; |
| case BASE_TYPE_STRING: |
| code += "// base_type_string\n"; |
| // TODO(chobie): do we need this? |
| break; |
| case BASE_TYPE_VECTOR: |
| if (vectortype.base_type == BASE_TYPE_STRUCT) { |
| code += Indent + Indent + "return $o != 0 ? $obj->init("; |
| if (vectortype.struct_def->fixed) { |
| code += "$this->__vector($o) + $j *"; |
| code += NumToString(InlineSize(vectortype)); |
| } else { |
| code += "$this->__indirect($this->__vector($o) + $j * "; |
| code += NumToString(InlineSize(vectortype)) + ")"; |
| } |
| code += ", $this->bb) : null;\n"; |
| } |
| break; |
| case BASE_TYPE_UNION: |
| code += Indent + Indent + "return $o != 0 ? $this->"; |
| code += GenGetter(field.value.type) + "($obj, $o); null;\n"; |
| break; |
| default: break; |
| } |
| |
| code += Indent + "}\n\n"; |
| } |
| |
| // Get the value of a vector's non-struct member. Uses a named return |
| // argument to conveniently set the zero value for the result. |
| void GetMemberOfVectorOfNonStruct(const FieldDef &field, |
| std::string *code_ptr) { |
| std::string &code = *code_ptr; |
| auto vectortype = field.value.type.VectorType(); |
| |
| code += Indent + "/**\n"; |
| code += Indent + " * @param int offset\n"; |
| code += Indent + " * @return " + GenTypeGet(field.value.type) + "\n"; |
| code += Indent + " */\n"; |
| code += Indent + "public function get"; |
| code += MakeCamel(field.name); |
| code += "($j)\n"; |
| code += Indent + "{\n"; |
| code += Indent + Indent + "$o = $this->__offset(" + |
| NumToString(field.value.offset) + ");\n"; |
| |
| if (field.value.type.VectorType().base_type == BASE_TYPE_STRING) { |
| code += Indent + Indent; |
| code += "return $o != 0 ? $this->__string($this->__vector($o) + $j * "; |
| code += NumToString(InlineSize(vectortype)) + ") : "; |
| code += GenDefaultValue(field.value) + ";\n"; |
| } else { |
| code += Indent + Indent + "return $o != 0 ? $this->bb->get"; |
| code += MakeCamel(GenTypeGet(field.value.type)); |
| code += "($this->__vector($o) + $j * "; |
| code += NumToString(InlineSize(vectortype)) + ") : "; |
| code += GenDefaultValue(field.value) + ";\n"; |
| } |
| code += Indent + "}\n\n"; |
| } |
| |
| // Get the value of a vector's union member. Uses a named return |
| // argument to conveniently set the zero value for the result. |
| void GetMemberOfVectorOfUnion(const FieldDef &field, std::string *code_ptr) { |
| std::string &code = *code_ptr; |
| auto vectortype = field.value.type.VectorType(); |
| |
| code += Indent + "/**\n"; |
| code += Indent + " * @param int offset\n"; |
| code += Indent + " * @return " + GenTypeGet(field.value.type) + "\n"; |
| code += Indent + " */\n"; |
| code += Indent + "public function get"; |
| code += MakeCamel(field.name); |
| code += "($j, $obj)\n"; |
| code += Indent + "{\n"; |
| code += Indent + Indent + "$o = $this->__offset(" + |
| NumToString(field.value.offset) + ");\n"; |
| code += Indent + Indent + "return $o != 0 ? "; |
| code += "$this->__union($obj, $this->__vector($o) + $j * "; |
| code += NumToString(InlineSize(vectortype)) + " - $this->bb_pos) : null;\n"; |
| code += Indent + "}\n\n"; |
| } |
| |
| // Recursively generate arguments for a constructor, to deal with nested |
| // structs. |
| static void StructBuilderArgs(const StructDef &struct_def, |
| const char *nameprefix, std::string *code_ptr) { |
| for (auto it = struct_def.fields.vec.begin(); |
| it != struct_def.fields.vec.end(); ++it) { |
| auto &field = **it; |
| if (IsStruct(field.value.type)) { |
| // Generate arguments for a struct inside a struct. To ensure names |
| // don't clash, and to make it obvious |
| // these arguments are constructing |
| // a nested struct, prefix the name with the field name. |
| StructBuilderArgs(*field.value.type.struct_def, |
| (nameprefix + (field.name + "_")).c_str(), code_ptr); |
| } else { |
| std::string &code = *code_ptr; |
| code += std::string(", $") + nameprefix; |
| code += MakeCamel(field.name, false); |
| } |
| } |
| } |
| |
| // Recursively generate struct construction statements and instert manual |
| // padding. |
| static void StructBuilderBody(const StructDef &struct_def, |
| const char *nameprefix, std::string *code_ptr) { |
| std::string &code = *code_ptr; |
| code += Indent + Indent + "$builder->prep("; |
| code += NumToString(struct_def.minalign) + ", "; |
| code += NumToString(struct_def.bytesize) + ");\n"; |
| for (auto it = struct_def.fields.vec.rbegin(); |
| it != struct_def.fields.vec.rend(); ++it) { |
| auto &field = **it; |
| if (field.padding) { |
| code += Indent + Indent + "$builder->pad("; |
| code += NumToString(field.padding) + ");\n"; |
| } |
| if (IsStruct(field.value.type)) { |
| StructBuilderBody(*field.value.type.struct_def, |
| (nameprefix + (field.name + "_")).c_str(), code_ptr); |
| } else { |
| code += Indent + Indent + "$builder->put" + GenMethod(field) + "($"; |
| code += nameprefix + MakeCamel(field.name, false) + ");\n"; |
| } |
| } |
| } |
| |
| // Get the value of a table's starting offset. |
| static void GetStartOfTable(const StructDef &struct_def, |
| std::string *code_ptr) { |
| std::string &code = *code_ptr; |
| |
| code += Indent + "/**\n"; |
| code += Indent + " * @param FlatBufferBuilder $builder\n"; |
| code += Indent + " * @return void\n"; |
| code += Indent + " */\n"; |
| code += Indent + "public static function start" + struct_def.name; |
| code += "(FlatBufferBuilder $builder)\n"; |
| code += Indent + "{\n"; |
| code += Indent + Indent + "$builder->StartObject("; |
| code += NumToString(struct_def.fields.vec.size()); |
| code += ");\n"; |
| code += Indent + "}\n\n"; |
| |
| code += Indent + "/**\n"; |
| code += Indent + " * @param FlatBufferBuilder $builder\n"; |
| code += Indent + " * @return " + struct_def.name + "\n"; |
| code += Indent + " */\n"; |
| code += Indent + "public static function create" + struct_def.name; |
| code += "(FlatBufferBuilder $builder, "; |
| |
| for (auto it = struct_def.fields.vec.begin(); |
| it != struct_def.fields.vec.end(); ++it) { |
| auto &field = **it; |
| |
| if (field.deprecated) continue; |
| code += "$" + field.name; |
| if (!(it == (--struct_def.fields.vec.end()))) { code += ", "; } |
| } |
| code += ")\n"; |
| code += Indent + "{\n"; |
| code += Indent + Indent + "$builder->startObject("; |
| code += NumToString(struct_def.fields.vec.size()); |
| code += ");\n"; |
| for (auto it = struct_def.fields.vec.begin(); |
| it != struct_def.fields.vec.end(); ++it) { |
| auto &field = **it; |
| if (field.deprecated) continue; |
| |
| code += Indent + Indent + "self::add"; |
| code += MakeCamel(field.name) + "($builder, $" + field.name + ");\n"; |
| } |
| |
| code += Indent + Indent + "$o = $builder->endObject();\n"; |
| |
| for (auto it = struct_def.fields.vec.begin(); |
| it != struct_def.fields.vec.end(); ++it) { |
| auto &field = **it; |
| if (!field.deprecated && field.required) { |
| code += Indent + Indent + "$builder->required($o, "; |
| code += NumToString(field.value.offset); |
| code += "); // " + field.name + "\n"; |
| } |
| } |
| code += Indent + Indent + "return $o;\n"; |
| code += Indent + "}\n\n"; |
| } |
| |
| // Set the value of a table's field. |
| static void BuildFieldOfTable(const FieldDef &field, const size_t offset, |
| std::string *code_ptr) { |
| std::string &code = *code_ptr; |
| |
| code += Indent + "/**\n"; |
| code += Indent + " * @param FlatBufferBuilder $builder\n"; |
| code += Indent + " * @param " + GenTypeBasic(field.value.type) + "\n"; |
| code += Indent + " * @return void\n"; |
| code += Indent + " */\n"; |
| code += Indent + "public static function "; |
| code += "add" + MakeCamel(field.name); |
| code += "(FlatBufferBuilder $builder, "; |
| code += "$" + MakeCamel(field.name, false); |
| code += ")\n"; |
| code += Indent + "{\n"; |
| code += Indent + Indent + "$builder->add"; |
| code += GenMethod(field) + "X("; |
| code += NumToString(offset) + ", "; |
| |
| code += "$" + MakeCamel(field.name, false); |
| code += ", "; |
| |
| if (field.value.type.base_type == BASE_TYPE_BOOL) { |
| code += "false"; |
| } else { |
| code += field.value.constant; |
| } |
| code += ");\n"; |
| code += Indent + "}\n\n"; |
| } |
| |
| // Set the value of one of the members of a table's vector. |
| static void BuildVectorOfTable(const FieldDef &field, std::string *code_ptr) { |
| std::string &code = *code_ptr; |
| |
| auto vector_type = field.value.type.VectorType(); |
| auto alignment = InlineAlignment(vector_type); |
| auto elem_size = InlineSize(vector_type); |
| code += Indent + "/**\n"; |
| code += Indent + " * @param FlatBufferBuilder $builder\n"; |
| code += Indent + " * @param array offset array\n"; |
| code += Indent + " * @return int vector offset\n"; |
| code += Indent + " */\n"; |
| code += Indent + "public static function create"; |
| code += MakeCamel(field.name); |
| code += "Vector(FlatBufferBuilder $builder, array $data)\n"; |
| code += Indent + "{\n"; |
| code += Indent + Indent + "$builder->startVector("; |
| code += NumToString(elem_size); |
| code += ", count($data), " + NumToString(alignment); |
| code += ");\n"; |
| code += Indent + Indent; |
| code += "for ($i = count($data) - 1; $i >= 0; $i--) {\n"; |
| if (IsScalar(field.value.type.VectorType().base_type)) { |
| code += Indent + Indent + Indent; |
| code += "$builder->put"; |
| code += MakeCamel(GenTypeBasic(field.value.type.VectorType())); |
| code += "($data[$i]);\n"; |
| } else { |
| code += Indent + Indent + Indent; |
| code += "$builder->putOffset($data[$i]);\n"; |
| } |
| code += Indent + Indent + "}\n"; |
| code += Indent + Indent + "return $builder->endVector();\n"; |
| code += Indent + "}\n\n"; |
| |
| code += Indent + "/**\n"; |
| code += Indent + " * @param FlatBufferBuilder $builder\n"; |
| code += Indent + " * @param int $numElems\n"; |
| code += Indent + " * @return void\n"; |
| code += Indent + " */\n"; |
| code += Indent + "public static function start"; |
| code += MakeCamel(field.name); |
| code += "Vector(FlatBufferBuilder $builder, $numElems)\n"; |
| code += Indent + "{\n"; |
| code += Indent + Indent + "$builder->startVector("; |
| code += NumToString(elem_size); |
| code += ", $numElems, " + NumToString(alignment); |
| code += ");\n"; |
| code += Indent + "}\n\n"; |
| } |
| |
| // Get the offset of the end of a table. |
| void GetEndOffsetOnTable(const StructDef &struct_def, std::string *code_ptr) { |
| std::string &code = *code_ptr; |
| |
| code += Indent + "/**\n"; |
| code += Indent + " * @param FlatBufferBuilder $builder\n"; |
| code += Indent + " * @return int table offset\n"; |
| code += Indent + " */\n"; |
| code += Indent + "public static function end" + struct_def.name; |
| code += "(FlatBufferBuilder $builder)\n"; |
| code += Indent + "{\n"; |
| code += Indent + Indent + "$o = $builder->endObject();\n"; |
| |
| for (auto it = struct_def.fields.vec.begin(); |
| it != struct_def.fields.vec.end(); ++it) { |
| auto &field = **it; |
| if (!field.deprecated && field.required) { |
| code += Indent + Indent + "$builder->required($o, "; |
| code += NumToString(field.value.offset); |
| code += "); // " + field.name + "\n"; |
| } |
| } |
| code += Indent + Indent + "return $o;\n"; |
| code += Indent + "}\n"; |
| |
| if (parser_.root_struct_def_ == &struct_def) { |
| code += "\n"; |
| code += Indent + "public static function finish"; |
| code += struct_def.name; |
| code += "Buffer(FlatBufferBuilder $builder, $offset)\n"; |
| code += Indent + "{\n"; |
| code += Indent + Indent + "$builder->finish($offset"; |
| |
| if (parser_.file_identifier_.length()) |
| code += ", \"" + parser_.file_identifier_ + "\""; |
| code += ");\n"; |
| code += Indent + "}\n"; |
| } |
| } |
| |
| // Generate a struct field, conditioned on its child type(s). |
| void GenStructAccessor(const StructDef &struct_def, const FieldDef &field, |
| std::string *code_ptr) { |
| GenComment(field.doc_comment, code_ptr, nullptr, Indent.c_str()); |
| |
| if (IsScalar(field.value.type.base_type)) { |
| if (struct_def.fixed) { |
| GetScalarFieldOfStruct(field, code_ptr); |
| } else { |
| GetScalarFieldOfTable(field, code_ptr); |
| } |
| } else { |
| switch (field.value.type.base_type) { |
| case BASE_TYPE_STRUCT: |
| if (struct_def.fixed) { |
| GetStructFieldOfStruct(field, code_ptr); |
| } else { |
| GetStructFieldOfTable(field, code_ptr); |
| } |
| break; |
| case BASE_TYPE_STRING: GetStringField(field, code_ptr); break; |
| case BASE_TYPE_VECTOR: { |
| auto vectortype = field.value.type.VectorType(); |
| if (vectortype.base_type == BASE_TYPE_UNION) { |
| GetMemberOfVectorOfUnion(field, code_ptr); |
| } else if (vectortype.base_type == BASE_TYPE_STRUCT) { |
| GetMemberOfVectorOfStruct(struct_def, field, code_ptr); |
| } else { |
| GetMemberOfVectorOfNonStruct(field, code_ptr); |
| } |
| break; |
| } |
| case BASE_TYPE_UNION: GetUnionField(field, code_ptr); break; |
| default: FLATBUFFERS_ASSERT(0); |
| } |
| } |
| if (field.value.type.base_type == BASE_TYPE_VECTOR) { |
| GetVectorLen(field, code_ptr); |
| if (field.value.type.element == BASE_TYPE_UCHAR) { |
| GetUByte(field, code_ptr); |
| } |
| } |
| } |
| |
| // Generate table constructors, conditioned on its members' types. |
| void GenTableBuilders(const StructDef &struct_def, std::string *code_ptr) { |
| GetStartOfTable(struct_def, code_ptr); |
| |
| for (auto it = struct_def.fields.vec.begin(); |
| it != struct_def.fields.vec.end(); ++it) { |
| auto &field = **it; |
| if (field.deprecated) continue; |
| |
| auto offset = it - struct_def.fields.vec.begin(); |
| if (field.value.type.base_type == BASE_TYPE_UNION) { |
| std::string &code = *code_ptr; |
| code += Indent + "public static function add"; |
| code += MakeCamel(field.name); |
| code += "(FlatBufferBuilder $builder, $offset)\n"; |
| code += Indent + "{\n"; |
| code += Indent + Indent + "$builder->addOffsetX("; |
| code += NumToString(offset) + ", $offset, 0);\n"; |
| code += Indent + "}\n\n"; |
| } else { |
| BuildFieldOfTable(field, offset, code_ptr); |
| } |
| if (field.value.type.base_type == BASE_TYPE_VECTOR) { |
| BuildVectorOfTable(field, code_ptr); |
| } |
| } |
| |
| GetEndOffsetOnTable(struct_def, code_ptr); |
| } |
| |
| // Generate struct or table methods. |
| void GenStruct(const StructDef &struct_def, std::string *code_ptr) { |
| if (struct_def.generated) return; |
| |
| GenComment(struct_def.doc_comment, code_ptr, nullptr); |
| BeginClass(struct_def, code_ptr); |
| |
| if (!struct_def.fixed) { |
| // Generate a special accessor for the table that has been declared as |
| // the root type. |
| NewRootTypeFromBuffer(struct_def, code_ptr); |
| } |
| |
| std::string &code = *code_ptr; |
| if (!struct_def.fixed) { |
| if (parser_.file_identifier_.length()) { |
| // Return the identifier |
| code += Indent + "public static function " + struct_def.name; |
| code += "Identifier()\n"; |
| code += Indent + "{\n"; |
| code += Indent + Indent + "return \""; |
| code += parser_.file_identifier_ + "\";\n"; |
| code += Indent + "}\n\n"; |
| |
| // Check if a buffer has the identifier. |
| code += Indent + "public static function " + struct_def.name; |
| code += "BufferHasIdentifier(ByteBuffer $buf)\n"; |
| code += Indent + "{\n"; |
| code += Indent + Indent + "return self::"; |
| code += "__has_identifier($buf, self::"; |
| code += struct_def.name + "Identifier());\n"; |
| code += Indent + "}\n\n"; |
| } |
| |
| if (parser_.file_extension_.length()) { |
| // Return the extension |
| code += Indent + "public static function " + struct_def.name; |
| code += "Extension()\n"; |
| code += Indent + "{\n"; |
| code += Indent + Indent + "return \"" + parser_.file_extension_; |
| code += "\";\n"; |
| code += Indent + "}\n\n"; |
| } |
| } |
| |
| // Generate the Init method that sets the field in a pre-existing |
| // accessor object. This is to allow object reuse. |
| InitializeExisting(struct_def, code_ptr); |
| for (auto it = struct_def.fields.vec.begin(); |
| it != struct_def.fields.vec.end(); ++it) { |
| auto &field = **it; |
| if (field.deprecated) continue; |
| |
| GenStructAccessor(struct_def, field, code_ptr); |
| } |
| |
| if (struct_def.fixed) { |
| // create a struct constructor function |
| GenStructBuilder(struct_def, code_ptr); |
| } else { |
| // Create a set of functions that allow table construction. |
| GenTableBuilders(struct_def, code_ptr); |
| } |
| EndClass(code_ptr); |
| } |
| |
| // Generate enum declarations. |
| static void GenEnum(const EnumDef &enum_def, std::string *code_ptr) { |
| if (enum_def.generated) return; |
| |
| GenComment(enum_def.doc_comment, code_ptr, nullptr); |
| BeginEnum(enum_def.name, code_ptr); |
| for (auto it = enum_def.Vals().begin(); it != enum_def.Vals().end(); ++it) { |
| auto &ev = **it; |
| GenComment(ev.doc_comment, code_ptr, nullptr, Indent.c_str()); |
| EnumMember(enum_def, ev, code_ptr); |
| } |
| |
| std::string &code = *code_ptr; |
| code += "\n"; |
| code += Indent + "private static $names = array(\n"; |
| for (auto it = enum_def.Vals().begin(); it != enum_def.Vals().end(); ++it) { |
| auto &ev = **it; |
| code += Indent + Indent + enum_def.name + "::" + ev.name + "=>" + "\"" + ev.name + "\",\n"; |
| } |
| |
| code += Indent + ");\n\n"; |
| code += Indent + "public static function Name($e)\n"; |
| code += Indent + "{\n"; |
| code += Indent + Indent + "if (!isset(self::$names[$e])) {\n"; |
| code += Indent + Indent + Indent + "throw new \\Exception();\n"; |
| code += Indent + Indent + "}\n"; |
| code += Indent + Indent + "return self::$names[$e];\n"; |
| code += Indent + "}\n"; |
| EndEnum(code_ptr); |
| } |
| |
| // Returns the function name that is able to read a value of the given type. |
| static std::string GenGetter(const Type &type) { |
| switch (type.base_type) { |
| case BASE_TYPE_STRING: return "__string"; |
| case BASE_TYPE_STRUCT: return "__struct"; |
| case BASE_TYPE_UNION: return "__union"; |
| case BASE_TYPE_VECTOR: return GenGetter(type.VectorType()); |
| default: return "Get"; |
| } |
| } |
| |
| // Returns the method name for use with add/put calls. |
| static std::string GenMethod(const FieldDef &field) { |
| return IsScalar(field.value.type.base_type) |
| ? MakeCamel(GenTypeBasic(field.value.type)) |
| : (IsStruct(field.value.type) ? "Struct" : "Offset"); |
| } |
| |
| static std::string GenTypeBasic(const Type &type) { |
| static const char *ctypename[] = { |
| // clang-format off |
| #define FLATBUFFERS_TD(ENUM, IDLTYPE, \ |
| CTYPE, JTYPE, GTYPE, NTYPE, PTYPE, RTYPE) \ |
| #NTYPE, |
| FLATBUFFERS_GEN_TYPES(FLATBUFFERS_TD) |
| #undef FLATBUFFERS_TD |
| // clang-format on |
| }; |
| return ctypename[type.base_type]; |
| } |
| |
| std::string GenDefaultValue(const Value &value) { |
| if (value.type.enum_def) { |
| if (auto val = value.type.enum_def->FindByValue(value.constant)) { |
| return WrapInNameSpace(*value.type.enum_def) + "::" + val->name; |
| } |
| } |
| |
| switch (value.type.base_type) { |
| case BASE_TYPE_BOOL: return value.constant == "0" ? "false" : "true"; |
| |
| case BASE_TYPE_STRING: return "null"; |
| |
| case BASE_TYPE_LONG: |
| case BASE_TYPE_ULONG: |
| if (value.constant != "0") { |
| int64_t constant = StringToInt(value.constant.c_str()); |
| return NumToString(constant); |
| } |
| return "0"; |
| |
| default: return value.constant; |
| } |
| } |
| |
| static std::string GenTypePointer(const Type &type) { |
| switch (type.base_type) { |
| case BASE_TYPE_STRING: return "string"; |
| case BASE_TYPE_VECTOR: return GenTypeGet(type.VectorType()); |
| case BASE_TYPE_STRUCT: return type.struct_def->name; |
| case BASE_TYPE_UNION: |
| // fall through |
| default: return "Table"; |
| } |
| } |
| |
| static std::string GenTypeGet(const Type &type) { |
| return IsScalar(type.base_type) ? GenTypeBasic(type) : GenTypePointer(type); |
| } |
| |
| // Create a struct with a builder and the struct's arguments. |
| static void GenStructBuilder(const StructDef &struct_def, |
| std::string *code_ptr) { |
| std::string &code = *code_ptr; |
| code += "\n"; |
| code += Indent + "/**\n"; |
| code += Indent + " * @return int offset\n"; |
| code += Indent + " */\n"; |
| code += Indent + "public static function create" + struct_def.name; |
| code += "(FlatBufferBuilder $builder"; |
| StructBuilderArgs(struct_def, "", code_ptr); |
| code += ")\n"; |
| code += Indent + "{\n"; |
| |
| StructBuilderBody(struct_def, "", code_ptr); |
| |
| code += Indent + Indent + "return $builder->offset();\n"; |
| code += Indent + "}\n"; |
| } |
| }; |
| } // namespace php |
| |
| bool GeneratePhp(const Parser &parser, const std::string &path, |
| const std::string &file_name) { |
| php::PhpGenerator generator(parser, path, file_name); |
| return generator.generate(); |
| } |
| } // namespace flatbuffers |
