/
php_generator.cc
2302 lines (2063 loc) · 77.4 KB
/
php_generator.cc
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// Protocol Buffers - Google's data interchange format
// Copyright 2008 Google Inc. All rights reserved.
// https://developers.google.com/protocol-buffers/
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are
// met:
//
// * Redistributions of source code must retain the above copyright
// notice, this list of conditions and the following disclaimer.
// * Redistributions in binary form must reproduce the above
// copyright notice, this list of conditions and the following disclaimer
// in the documentation and/or other materials provided with the
// distribution.
// * Neither the name of Google Inc. nor the names of its
// contributors may be used to endorse or promote products derived from
// this software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
#include <google/protobuf/compiler/php/php_generator.h>
#include <google/protobuf/compiler/code_generator.h>
#include <google/protobuf/compiler/plugin.h>
#include <google/protobuf/descriptor.h>
#include <google/protobuf/descriptor.pb.h>
#include <google/protobuf/io/printer.h>
#include <google/protobuf/io/zero_copy_stream.h>
#include <google/protobuf/stubs/strutil.h>
#include <sstream>
const std::string kDescriptorFile = "google/protobuf/descriptor.proto";
const std::string kEmptyFile = "google/protobuf/empty.proto";
const std::string kEmptyMetadataFile = "GPBMetadata/Google/Protobuf/GPBEmpty.php";
const std::string kDescriptorMetadataFile =
"GPBMetadata/Google/Protobuf/Internal/Descriptor.php";
const std::string kDescriptorDirName = "Google/Protobuf/Internal";
const std::string kDescriptorPackageName = "Google\\Protobuf\\Internal";
const char* const kReservedNames[] = {
"abstract", "and", "array", "as", "break",
"callable", "case", "catch", "class", "clone",
"const", "continue", "declare", "default", "die",
"do", "echo", "else", "elseif", "empty",
"enddeclare", "endfor", "endforeach", "endif", "endswitch",
"endwhile", "eval", "exit", "extends", "final",
"for", "foreach", "function", "global", "goto",
"if", "implements", "include", "include_once", "instanceof",
"insteadof", "interface", "isset", "list", "namespace",
"new", "or", "print", "private", "protected",
"public", "require", "require_once", "return", "static",
"switch", "throw", "trait", "try", "unset",
"use", "var", "while", "xor", "int",
"float", "bool", "string", "true", "false",
"null", "void", "iterable"};
const char* const kValidConstantNames[] = {
"int", "float", "bool", "string", "true",
"false", "null", "void", "iterable",
};
const int kReservedNamesSize = 73;
const int kValidConstantNamesSize = 9;
const int kFieldSetter = 1;
const int kFieldGetter = 2;
const int kFieldProperty = 3;
namespace google {
namespace protobuf {
namespace compiler {
namespace php {
struct Options {
bool is_descriptor = false;
bool aggregate_metadata = false;
bool gen_c_wkt = false;
std::set<string> aggregate_metadata_prefixes;
};
namespace {
// Forward decls.
std::string PhpName(const std::string& full_name, const Options& options);
std::string IntToString(int32 value);
std::string FilenameToClassname(const std::string& filename);
std::string GeneratedMetadataFileName(const FileDescriptor* file,
const Options& options);
std::string UnderscoresToCamelCase(const std::string& name,
bool cap_first_letter);
void Indent(io::Printer* printer);
void Outdent(io::Printer* printer);
void GenerateAddFilesToPool(const FileDescriptor* file, const Options& options,
io::Printer* printer);
void GenerateMessageDocComment(io::Printer* printer, const Descriptor* message,
const Options& options);
void GenerateMessageConstructorDocComment(io::Printer* printer,
const Descriptor* message,
const Options& options);
void GenerateFieldDocComment(io::Printer* printer, const FieldDescriptor* field,
const Options& options, int function_type);
void GenerateWrapperFieldGetterDocComment(io::Printer* printer,
const FieldDescriptor* field);
void GenerateWrapperFieldSetterDocComment(io::Printer* printer,
const FieldDescriptor* field);
void GenerateEnumDocComment(io::Printer* printer, const EnumDescriptor* enum_,
const Options& options);
void GenerateEnumValueDocComment(io::Printer* printer,
const EnumValueDescriptor* value);
void GenerateServiceDocComment(io::Printer* printer,
const ServiceDescriptor* service);
void GenerateServiceMethodDocComment(io::Printer* printer,
const MethodDescriptor* method);
std::string ReservedNamePrefix(const std::string& classname,
const FileDescriptor* file) {
bool is_reserved = false;
std::string lower = classname;
std::transform(lower.begin(), lower.end(), lower.begin(), ::tolower);
for (int i = 0; i < kReservedNamesSize; i++) {
if (lower == kReservedNames[i]) {
is_reserved = true;
break;
}
}
if (is_reserved) {
if (file->package() == "google.protobuf") {
return "GPB";
} else {
return "PB";
}
}
return "";
}
template <typename DescriptorType>
std::string DescriptorFullName(const DescriptorType* desc, bool is_internal) {
if (is_internal) {
return StringReplace(desc->full_name(),
"google.protobuf",
"google.protobuf.internal", false);
} else {
return desc->full_name();
}
}
template <typename DescriptorType>
std::string ClassNamePrefix(const std::string& classname,
const DescriptorType* desc) {
const std::string& prefix = (desc->file()->options()).php_class_prefix();
if (!prefix.empty()) {
return prefix;
}
return ReservedNamePrefix(classname, desc->file());
}
template <typename DescriptorType>
std::string GeneratedClassNameImpl(const DescriptorType* desc) {
std::string classname = ClassNamePrefix(desc->name(), desc) + desc->name();
const Descriptor* containing = desc->containing_type();
while (containing != NULL) {
classname = ClassNamePrefix(containing->name(), desc) + containing->name()
+ '\\' + classname;
containing = containing->containing_type();
}
return classname;
}
std::string GeneratedClassNameImpl(const ServiceDescriptor* desc) {
std::string classname = desc->name();
return ClassNamePrefix(classname, desc) + classname;
}
template <typename DescriptorType>
std::string LegacyGeneratedClassName(const DescriptorType* desc) {
std::string classname = desc->name();
const Descriptor* containing = desc->containing_type();
while (containing != NULL) {
classname = containing->name() + '_' + classname;
containing = containing->containing_type();
}
return ClassNamePrefix(classname, desc) + classname;
}
std::string ClassNamePrefix(const std::string& classname) {
std::string lower = classname;
std::transform(lower.begin(), lower.end(), lower.begin(), ::tolower);
for (int i = 0; i < kReservedNamesSize; i++) {
if (lower == kReservedNames[i]) {
return "PB";
}
}
return "";
}
std::string ConstantNamePrefix(const std::string& classname) {
bool is_reserved = false;
std::string lower = classname;
std::transform(lower.begin(), lower.end(), lower.begin(), ::tolower);
for (int i = 0; i < kReservedNamesSize; i++) {
if (lower == kReservedNames[i]) {
is_reserved = true;
break;
}
}
for (int i = 0; i < kValidConstantNamesSize; i++) {
if (lower == kValidConstantNames[i]) {
is_reserved = false;
break;
}
}
if (is_reserved) {
return "PB";
}
return "";
}
template <typename DescriptorType>
std::string RootPhpNamespace(const DescriptorType* desc,
const Options& options) {
if (desc->file()->options().has_php_namespace()) {
const std::string& php_namespace = desc->file()->options().php_namespace();
if (!php_namespace.empty()) {
return php_namespace;
}
return "";
}
if (!desc->file()->package().empty()) {
return PhpName(desc->file()->package(), options);
}
return "";
}
template <typename DescriptorType>
std::string FullClassName(const DescriptorType* desc, const Options& options) {
std::string classname = GeneratedClassNameImpl(desc);
std::string php_namespace = RootPhpNamespace(desc, options);
if (!php_namespace.empty()) {
return php_namespace + "\\" + classname;
}
return classname;
}
template <typename DescriptorType>
std::string FullClassName(const DescriptorType* desc, bool is_descriptor) {
Options options;
options.is_descriptor = is_descriptor;
return FullClassName(desc, options);
}
template <typename DescriptorType>
std::string LegacyFullClassName(const DescriptorType* desc,
const Options& options) {
std::string classname = LegacyGeneratedClassName(desc);
std::string php_namespace = RootPhpNamespace(desc, options);
if (!php_namespace.empty()) {
return php_namespace + "\\" + classname;
}
return classname;
}
std::string PhpName(const std::string& full_name, const Options& options) {
if (options.is_descriptor) {
return kDescriptorPackageName;
}
std::string segment;
std::string result;
bool cap_next_letter = true;
for (int i = 0; i < full_name.size(); i++) {
if ('a' <= full_name[i] && full_name[i] <= 'z' && cap_next_letter) {
segment += full_name[i] + ('A' - 'a');
cap_next_letter = false;
} else if (full_name[i] == '.') {
result += ClassNamePrefix(segment) + segment + '\\';
segment = "";
cap_next_letter = true;
} else {
segment += full_name[i];
cap_next_letter = false;
}
}
result += ClassNamePrefix(segment) + segment;
return result;
}
std::string DefaultForField(const FieldDescriptor* field) {
switch (field->type()) {
case FieldDescriptor::TYPE_INT32:
case FieldDescriptor::TYPE_INT64:
case FieldDescriptor::TYPE_UINT32:
case FieldDescriptor::TYPE_UINT64:
case FieldDescriptor::TYPE_SINT32:
case FieldDescriptor::TYPE_SINT64:
case FieldDescriptor::TYPE_FIXED32:
case FieldDescriptor::TYPE_FIXED64:
case FieldDescriptor::TYPE_SFIXED32:
case FieldDescriptor::TYPE_SFIXED64:
case FieldDescriptor::TYPE_ENUM: return "0";
case FieldDescriptor::TYPE_DOUBLE:
case FieldDescriptor::TYPE_FLOAT: return "0.0";
case FieldDescriptor::TYPE_BOOL: return "false";
case FieldDescriptor::TYPE_STRING:
case FieldDescriptor::TYPE_BYTES: return "''";
case FieldDescriptor::TYPE_MESSAGE:
case FieldDescriptor::TYPE_GROUP: return "null";
default: assert(false); return "";
}
}
std::string GeneratedMetadataFileName(const FileDescriptor* file,
const Options& options) {
const std::string& proto_file = file->name();
int start_index = 0;
int first_index = proto_file.find_first_of("/", start_index);
std::string result = "";
std::string segment = "";
if (proto_file == kEmptyFile) {
return kEmptyMetadataFile;
}
if (options.is_descriptor) {
return kDescriptorMetadataFile;
}
// Append directory name.
std::string file_no_suffix;
int lastindex = proto_file.find_last_of(".");
if (proto_file == kEmptyFile) {
return kEmptyMetadataFile;
} else {
file_no_suffix = proto_file.substr(0, lastindex);
}
if (file->options().has_php_metadata_namespace()) {
const std::string& php_metadata_namespace =
file->options().php_metadata_namespace();
if (!php_metadata_namespace.empty() && php_metadata_namespace != "\\") {
result += php_metadata_namespace;
std::replace(result.begin(), result.end(), '\\', '/');
if (result.at(result.size() - 1) != '/') {
result += "/";
}
}
} else {
result += "GPBMetadata/";
while (first_index != std::string::npos) {
segment = UnderscoresToCamelCase(
file_no_suffix.substr(start_index, first_index - start_index), true);
result += ReservedNamePrefix(segment, file) + segment + "/";
start_index = first_index + 1;
first_index = file_no_suffix.find_first_of("/", start_index);
}
}
// Append file name.
int file_name_start = file_no_suffix.find_last_of("/");
if (file_name_start == std::string::npos) {
file_name_start = 0;
} else {
file_name_start += 1;
}
segment = UnderscoresToCamelCase(
file_no_suffix.substr(file_name_start, first_index - file_name_start), true);
return result + ReservedNamePrefix(segment, file) + segment + ".php";
}
std::string GeneratedMetadataFileName(const FileDescriptor* file,
bool is_descriptor) {
Options options;
options.is_descriptor = is_descriptor;
return GeneratedMetadataFileName(file, options);
}
template <typename DescriptorType>
std::string GeneratedClassFileName(const DescriptorType* desc,
const Options& options) {
std::string result = FullClassName(desc, options);
for (int i = 0; i < result.size(); i++) {
if (result[i] == '\\') {
result[i] = '/';
}
}
return result + ".php";
}
template <typename DescriptorType>
std::string LegacyGeneratedClassFileName(const DescriptorType* desc,
const Options& options) {
std::string result = LegacyFullClassName(desc, options);
for (int i = 0; i < result.size(); i++) {
if (result[i] == '\\') {
result[i] = '/';
}
}
return result + ".php";
}
std::string GeneratedServiceFileName(const ServiceDescriptor* service,
const Options& options) {
std::string result = FullClassName(service, options) + "Interface";
for (int i = 0; i < result.size(); i++) {
if (result[i] == '\\') {
result[i] = '/';
}
}
return result + ".php";
}
std::string IntToString(int32 value) {
std::ostringstream os;
os << value;
return os.str();
}
std::string LabelForField(const FieldDescriptor* field) {
switch (field->label()) {
case FieldDescriptor::LABEL_OPTIONAL: return "optional";
case FieldDescriptor::LABEL_REQUIRED: return "required";
case FieldDescriptor::LABEL_REPEATED: return "repeated";
default: assert(false); return "";
}
}
std::string PhpSetterTypeName(const FieldDescriptor* field,
const Options& options) {
if (field->is_map()) {
return "array|\\Google\\Protobuf\\Internal\\MapField";
}
std::string type;
switch (field->type()) {
case FieldDescriptor::TYPE_INT32:
case FieldDescriptor::TYPE_UINT32:
case FieldDescriptor::TYPE_SINT32:
case FieldDescriptor::TYPE_FIXED32:
case FieldDescriptor::TYPE_SFIXED32:
case FieldDescriptor::TYPE_ENUM:
type = "int";
break;
case FieldDescriptor::TYPE_INT64:
case FieldDescriptor::TYPE_UINT64:
case FieldDescriptor::TYPE_SINT64:
case FieldDescriptor::TYPE_FIXED64:
case FieldDescriptor::TYPE_SFIXED64:
type = "int|string";
break;
case FieldDescriptor::TYPE_DOUBLE:
case FieldDescriptor::TYPE_FLOAT:
type = "float";
break;
case FieldDescriptor::TYPE_BOOL:
type = "bool";
break;
case FieldDescriptor::TYPE_STRING:
case FieldDescriptor::TYPE_BYTES:
type = "string";
break;
case FieldDescriptor::TYPE_MESSAGE:
type = "\\" + FullClassName(field->message_type(), options);
break;
case FieldDescriptor::TYPE_GROUP:
return "null";
default: assert(false); return "";
}
if (field->is_repeated()) {
// accommodate for edge case with multiple types.
size_t start_pos = type.find("|");
if (start_pos != std::string::npos) {
type.replace(start_pos, 1, "[]|");
}
type += "[]|\\Google\\Protobuf\\Internal\\RepeatedField";
}
return type;
}
std::string PhpSetterTypeName(const FieldDescriptor* field,
bool is_descriptor) {
Options options;
options.is_descriptor = is_descriptor;
return PhpSetterTypeName(field, options);
}
std::string PhpGetterTypeName(const FieldDescriptor* field,
const Options& options) {
if (field->is_map()) {
return "\\Google\\Protobuf\\Internal\\MapField";
}
if (field->is_repeated()) {
return "\\Google\\Protobuf\\Internal\\RepeatedField";
}
switch (field->type()) {
case FieldDescriptor::TYPE_INT32:
case FieldDescriptor::TYPE_UINT32:
case FieldDescriptor::TYPE_SINT32:
case FieldDescriptor::TYPE_FIXED32:
case FieldDescriptor::TYPE_SFIXED32:
case FieldDescriptor::TYPE_ENUM: return "int";
case FieldDescriptor::TYPE_INT64:
case FieldDescriptor::TYPE_UINT64:
case FieldDescriptor::TYPE_SINT64:
case FieldDescriptor::TYPE_FIXED64:
case FieldDescriptor::TYPE_SFIXED64: return "int|string";
case FieldDescriptor::TYPE_DOUBLE:
case FieldDescriptor::TYPE_FLOAT: return "float";
case FieldDescriptor::TYPE_BOOL: return "bool";
case FieldDescriptor::TYPE_STRING:
case FieldDescriptor::TYPE_BYTES: return "string";
case FieldDescriptor::TYPE_MESSAGE:
return "\\" + FullClassName(field->message_type(), options);
case FieldDescriptor::TYPE_GROUP: return "null";
default: assert(false); return "";
}
}
std::string PhpGetterTypeName(const FieldDescriptor* field,
bool is_descriptor) {
Options options;
options.is_descriptor = is_descriptor;
return PhpGetterTypeName(field, options);
}
std::string EnumOrMessageSuffix(const FieldDescriptor* field,
const Options& options) {
if (field->cpp_type() == FieldDescriptor::CPPTYPE_MESSAGE) {
return ", '" +
DescriptorFullName(field->message_type(), options.is_descriptor) +
"'";
}
if (field->cpp_type() == FieldDescriptor::CPPTYPE_ENUM) {
return ", '" +
DescriptorFullName(field->enum_type(), options.is_descriptor) + "'";
}
return "";
}
std::string EnumOrMessageSuffix(const FieldDescriptor* field,
bool is_descriptor) {
Options options;
options.is_descriptor = is_descriptor;
return EnumOrMessageSuffix(field, options);
}
// Converts a name to camel-case. If cap_first_letter is true, capitalize the
// first letter.
std::string UnderscoresToCamelCase(const std::string& name,
bool cap_first_letter) {
std::string result;
for (int i = 0; i < name.size(); i++) {
if ('a' <= name[i] && name[i] <= 'z') {
if (cap_first_letter) {
result += name[i] + ('A' - 'a');
} else {
result += name[i];
}
cap_first_letter = false;
} else if ('A' <= name[i] && name[i] <= 'Z') {
if (i == 0 && !cap_first_letter) {
// Force first letter to lower-case unless explicitly told to
// capitalize it.
result += name[i] + ('a' - 'A');
} else {
// Capital letters after the first are left as-is.
result += name[i];
}
cap_first_letter = false;
} else if ('0' <= name[i] && name[i] <= '9') {
result += name[i];
cap_first_letter = true;
} else {
cap_first_letter = true;
}
}
// Add a trailing "_" if the name should be altered.
if (name[name.size() - 1] == '#') {
result += '_';
}
return result;
}
void Indent(io::Printer* printer) {
printer->Indent();
printer->Indent();
}
void Outdent(io::Printer* printer) {
printer->Outdent();
printer->Outdent();
}
void GenerateField(const FieldDescriptor* field, io::Printer* printer,
const Options& options) {
if (field->is_repeated()) {
GenerateFieldDocComment(printer, field, options, kFieldProperty);
printer->Print(
"private $^name^;\n",
"name", field->name());
} else if (field->real_containing_oneof()) {
// Oneof fields are handled by GenerateOneofField.
return;
} else {
std::string initial_value =
field->has_presence() ? "null" : DefaultForField(field);
GenerateFieldDocComment(printer, field, options, kFieldProperty);
printer->Print(
"protected $^name^ = ^initial_value^;\n",
"name", field->name(),
"initial_value", initial_value);
}
}
void GenerateOneofField(const OneofDescriptor* oneof, io::Printer* printer) {
// Oneof property needs to be protected in order to be accessed by parent
// class in implementation.
printer->Print(
"protected $^name^;\n",
"name", oneof->name());
}
void GenerateFieldAccessor(const FieldDescriptor* field, const Options& options,
io::Printer* printer) {
const OneofDescriptor* oneof = field->real_containing_oneof();
// Generate getter.
GenerateFieldDocComment(printer, field, options, kFieldGetter);
// deprecation
std::string deprecation_trigger = (field->options().deprecated()) ? "@trigger_error('" +
field->name() + " is deprecated.', E_USER_DEPRECATED);\n " : "";
if (oneof != NULL) {
printer->Print(
"public function get^camel_name^()\n"
"{\n"
" ^deprecation_trigger^return $this->readOneof(^number^);\n"
"}\n\n"
"public function has^camel_name^()\n"
"{\n"
" ^deprecation_trigger^return $this->hasOneof(^number^);\n"
"}\n\n",
"camel_name", UnderscoresToCamelCase(field->name(), true),
"number", IntToString(field->number()),
"deprecation_trigger", deprecation_trigger);
} else if (field->has_presence()) {
printer->Print(
"public function get^camel_name^()\n"
"{\n"
" ^deprecation_trigger^return isset($this->^name^) ? $this->^name^ : ^default_value^;\n"
"}\n\n"
"public function has^camel_name^()\n"
"{\n"
" ^deprecation_trigger^return isset($this->^name^);\n"
"}\n\n"
"public function clear^camel_name^()\n"
"{\n"
" ^deprecation_trigger^unset($this->^name^);\n"
"}\n\n",
"camel_name", UnderscoresToCamelCase(field->name(), true),
"name", field->name(),
"default_value", DefaultForField(field),
"deprecation_trigger", deprecation_trigger);
} else {
printer->Print(
"public function get^camel_name^()\n"
"{\n"
" ^deprecation_trigger^return $this->^name^;\n"
"}\n\n",
"camel_name", UnderscoresToCamelCase(field->name(), true),
"name", field->name(),
"deprecation_trigger", deprecation_trigger);
}
// For wrapper types, generate an additional getXXXUnwrapped getter
if (!field->is_map() &&
!field->is_repeated() &&
field->cpp_type() == FieldDescriptor::CPPTYPE_MESSAGE &&
IsWrapperType(field)) {
GenerateWrapperFieldGetterDocComment(printer, field);
printer->Print(
"public function get^camel_name^Unwrapped()\n"
"{\n"
" ^deprecation_trigger^return $this->readWrapperValue(\"^field_name^\");\n"
"}\n\n",
"camel_name", UnderscoresToCamelCase(field->name(), true),
"field_name", field->name(),
"deprecation_trigger", deprecation_trigger);
}
// Generate setter.
GenerateFieldDocComment(printer, field, options, kFieldSetter);
printer->Print(
"public function set^camel_name^($var)\n"
"{\n",
"camel_name", UnderscoresToCamelCase(field->name(), true));
Indent(printer);
if (field->options().deprecated()) {
printer->Print(
"^deprecation_trigger^",
"deprecation_trigger", deprecation_trigger
);
}
// Type check.
if (field->is_map()) {
const Descriptor* map_entry = field->message_type();
const FieldDescriptor* key = map_entry->FindFieldByName("key");
const FieldDescriptor* value = map_entry->FindFieldByName("value");
printer->Print(
"$arr = GPBUtil::checkMapField($var, "
"\\Google\\Protobuf\\Internal\\GPBType::^key_type^, "
"\\Google\\Protobuf\\Internal\\GPBType::^value_type^",
"key_type", ToUpper(key->type_name()),
"value_type", ToUpper(value->type_name()));
if (value->cpp_type() == FieldDescriptor::CPPTYPE_MESSAGE) {
printer->Print(
", \\^class_name^);\n",
"class_name",
FullClassName(value->message_type(), options) + "::class");
} else if (value->cpp_type() == FieldDescriptor::CPPTYPE_ENUM) {
printer->Print(
", \\^class_name^);\n",
"class_name",
FullClassName(value->enum_type(), options) + "::class");
} else {
printer->Print(");\n");
}
} else if (field->is_repeated()) {
printer->Print(
"$arr = GPBUtil::checkRepeatedField($var, "
"\\Google\\Protobuf\\Internal\\GPBType::^type^",
"type", ToUpper(field->type_name()));
if (field->cpp_type() == FieldDescriptor::CPPTYPE_MESSAGE) {
printer->Print(
", \\^class_name^);\n",
"class_name",
FullClassName(field->message_type(), options) + "::class");
} else if (field->cpp_type() == FieldDescriptor::CPPTYPE_ENUM) {
printer->Print(
", \\^class_name^);\n",
"class_name",
FullClassName(field->enum_type(), options) + "::class");
} else {
printer->Print(");\n");
}
} else if (field->cpp_type() == FieldDescriptor::CPPTYPE_MESSAGE) {
printer->Print(
"GPBUtil::checkMessage($var, \\^class_name^::class);\n",
"class_name", FullClassName(field->message_type(), options));
} else if (field->cpp_type() == FieldDescriptor::CPPTYPE_ENUM) {
printer->Print(
"GPBUtil::checkEnum($var, \\^class_name^::class);\n",
"class_name", FullClassName(field->enum_type(), options));
} else if (field->cpp_type() == FieldDescriptor::CPPTYPE_STRING) {
printer->Print(
"GPBUtil::checkString($var, ^utf8^);\n",
"utf8",
field->type() == FieldDescriptor::TYPE_STRING ? "True": "False");
} else {
printer->Print(
"GPBUtil::check^type^($var);\n",
"type", UnderscoresToCamelCase(field->cpp_type_name(), true));
}
if (oneof != NULL) {
printer->Print(
"$this->writeOneof(^number^, $var);\n",
"number", IntToString(field->number()));
} else if (field->is_repeated()) {
printer->Print(
"$this->^name^ = $arr;\n",
"name", field->name());
} else {
printer->Print(
"$this->^name^ = $var;\n",
"name", field->name());
}
printer->Print("\nreturn $this;\n");
Outdent(printer);
printer->Print(
"}\n\n");
// For wrapper types, generate an additional setXXXValue getter
if (!field->is_map() &&
!field->is_repeated() &&
field->cpp_type() == FieldDescriptor::CPPTYPE_MESSAGE &&
IsWrapperType(field)) {
GenerateWrapperFieldSetterDocComment(printer, field);
printer->Print(
"public function set^camel_name^Unwrapped($var)\n"
"{\n"
" $this->writeWrapperValue(\"^field_name^\", $var);\n"
" return $this;"
"}\n\n",
"camel_name", UnderscoresToCamelCase(field->name(), true),
"field_name", field->name());
}
}
void GenerateEnumToPool(const EnumDescriptor* en, io::Printer* printer) {
printer->Print(
"$pool->addEnum('^name^', "
"\\Google\\Protobuf\\Internal\\^class_name^::class)\n",
"name", DescriptorFullName(en, true),
"class_name", en->name());
Indent(printer);
for (int i = 0; i < en->value_count(); i++) {
const EnumValueDescriptor* value = en->value(i);
printer->Print(
"->value(\"^name^\", ^number^)\n",
"name", ConstantNamePrefix(value->name()) + value->name(),
"number", IntToString(value->number()));
}
printer->Print("->finalizeToPool();\n\n");
Outdent(printer);
}
void GenerateServiceMethod(const MethodDescriptor* method,
io::Printer* printer) {
printer->Print(
"public function ^camel_name^(\\^request_name^ $request);\n\n",
"camel_name", UnderscoresToCamelCase(method->name(), false),
"request_name", FullClassName(
method->input_type(), false)
);
}
void GenerateMessageToPool(const std::string& name_prefix,
const Descriptor* message, io::Printer* printer) {
// Don't generate MapEntry messages -- we use the PHP extension's native
// support for map fields instead.
if (message->options().map_entry()) {
return;
}
std::string class_name =
(name_prefix.empty() ? "" : name_prefix + "\\") +
ReservedNamePrefix(message->name(), message->file()) + message->name();
printer->Print(
"$pool->addMessage('^message^', "
"\\Google\\Protobuf\\Internal\\^class_name^::class)\n",
"message", DescriptorFullName(message, true),
"class_name", class_name);
Indent(printer);
for (int i = 0; i < message->field_count(); i++) {
const FieldDescriptor* field = message->field(i);
if (field->is_map()) {
const FieldDescriptor* key =
field->message_type()->FindFieldByName("key");
const FieldDescriptor* val =
field->message_type()->FindFieldByName("value");
printer->Print(
"->map('^field^', \\Google\\Protobuf\\Internal\\GPBType::^key^, "
"\\Google\\Protobuf\\Internal\\GPBType::^value^, ^number^^other^)\n",
"field", field->name(),
"key", ToUpper(key->type_name()),
"value", ToUpper(val->type_name()),
"number", StrCat(field->number()),
"other", EnumOrMessageSuffix(val, true));
} else if (!field->real_containing_oneof()) {
printer->Print(
"->^label^('^field^', "
"\\Google\\Protobuf\\Internal\\GPBType::^type^, ^number^^other^)\n",
"field", field->name(),
"label", LabelForField(field),
"type", ToUpper(field->type_name()),
"number", StrCat(field->number()),
"other", EnumOrMessageSuffix(field, true));
}
}
// oneofs.
for (int i = 0; i < message->real_oneof_decl_count(); i++) {
const OneofDescriptor* oneof = message->oneof_decl(i);
printer->Print("->oneof(^name^)\n",
"name", oneof->name());
Indent(printer);
for (int index = 0; index < oneof->field_count(); index++) {
const FieldDescriptor* field = oneof->field(index);
printer->Print(
"->value('^field^', "
"\\Google\\Protobuf\\Internal\\GPBType::^type^, ^number^^other^)\n",
"field", field->name(),
"type", ToUpper(field->type_name()),
"number", StrCat(field->number()),
"other", EnumOrMessageSuffix(field, true));
}
printer->Print("->finish()\n");
Outdent(printer);
}
printer->Print(
"->finalizeToPool();\n");
Outdent(printer);
printer->Print(
"\n");
for (int i = 0; i < message->nested_type_count(); i++) {
GenerateMessageToPool(class_name, message->nested_type(i), printer);
}
for (int i = 0; i < message->enum_type_count(); i++) {
GenerateEnumToPool(message->enum_type(i), printer);
}
}
void GenerateAddFileToPool(const FileDescriptor* file, const Options& options,
io::Printer* printer) {
printer->Print(
"public static $is_initialized = false;\n\n"
"public static function initOnce() {\n");
Indent(printer);
if (options.aggregate_metadata) {
GenerateAddFilesToPool(file, options, printer);
} else {
printer->Print(
"$pool = \\Google\\Protobuf\\Internal\\"
"DescriptorPool::getGeneratedPool();\n\n"
"if (static::$is_initialized == true) {\n"
" return;\n"
"}\n");
if (options.is_descriptor) {
for (int i = 0; i < file->message_type_count(); i++) {
GenerateMessageToPool("", file->message_type(i), printer);
}
for (int i = 0; i < file->enum_type_count(); i++) {
GenerateEnumToPool(file->enum_type(i), printer);
}
printer->Print(
"$pool->finish();\n");
} else {
for (int i = 0; i < file->dependency_count(); i++) {
const std::string& name = file->dependency(i)->name();
// Currently, descriptor.proto is not ready for external usage. Skip to
// import it for now, so that its dependencies can still work as long as
// they don't use protos defined in descriptor.proto.
if (name == kDescriptorFile) {
continue;
}
std::string dependency_filename =
GeneratedMetadataFileName(file->dependency(i), options);
printer->Print(
"\\^name^::initOnce();\n",
"name", FilenameToClassname(dependency_filename));
}
// Add messages and enums to descriptor pool.
FileDescriptorSet files;
FileDescriptorProto* file_proto = files.add_file();
file->CopyTo(file_proto);
// Filter out descriptor.proto as it cannot be depended on for now.
RepeatedPtrField<std::string>* dependency =
file_proto->mutable_dependency();
for (RepeatedPtrField<std::string>::iterator it = dependency->begin();
it != dependency->end(); ++it) {
if (*it != kDescriptorFile) {
dependency->erase(it);
break;
}
}
// Filter out all extensions, since we do not support extension yet.
file_proto->clear_extension();
RepeatedPtrField<DescriptorProto>* message_type =
file_proto->mutable_message_type();
for (RepeatedPtrField<DescriptorProto>::iterator it = message_type->begin();
it != message_type->end(); ++it) {
it->clear_extension();