diff options
author | temporal <temporal@630680e5-0e50-0410-840e-4b1c322b438d> | 2008-07-10 02:12:20 +0000 |
---|---|---|
committer | temporal <temporal@630680e5-0e50-0410-840e-4b1c322b438d> | 2008-07-10 02:12:20 +0000 |
commit | 40ee551715c3a784ea6132dbf604b0e665ca2def (patch) | |
tree | 6e3ea9674be5b0f59106f88f3afa1313854beebf /src/google/protobuf/compiler/cpp/cpp_helpers.cc | |
download | protobuf-40ee551715c3a784ea6132dbf604b0e665ca2def.tar.gz protobuf-40ee551715c3a784ea6132dbf604b0e665ca2def.tar.bz2 protobuf-40ee551715c3a784ea6132dbf604b0e665ca2def.zip |
Initial checkin.
Diffstat (limited to 'src/google/protobuf/compiler/cpp/cpp_helpers.cc')
-rw-r--r-- | src/google/protobuf/compiler/cpp/cpp_helpers.cc | 197 |
1 files changed, 197 insertions, 0 deletions
diff --git a/src/google/protobuf/compiler/cpp/cpp_helpers.cc b/src/google/protobuf/compiler/cpp/cpp_helpers.cc new file mode 100644 index 00000000..21de816c --- /dev/null +++ b/src/google/protobuf/compiler/cpp/cpp_helpers.cc @@ -0,0 +1,197 @@ +// Protocol Buffers - Google's data interchange format +// Copyright 2008 Google Inc. +// http://code.google.com/p/protobuf/ +// +// 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. + +// Author: kenton@google.com (Kenton Varda) +// Based on original Protocol Buffers design by +// Sanjay Ghemawat, Jeff Dean, and others. + +#include <vector> +#include <google/protobuf/stubs/hash.h> + +#include <google/protobuf/compiler/cpp/cpp_helpers.h> +#include <google/protobuf/stubs/common.h> +#include <google/protobuf/stubs/strutil.h> + +namespace google { +namespace protobuf { +namespace compiler { +namespace cpp { + +namespace { + +string DotsToUnderscores(const string& name) { + return StringReplace(name, ".", "_", true); +} + +string DotsToColons(const string& name) { + return StringReplace(name, ".", "::", true); +} + +const char* const kKeywordList[] = { + "and", "and_eq", "asm", "auto", "bitand", "bitor", "bool", "break", "case", + "catch", "char", "class", "compl", "const", "const_cast", "continue", + "default", "delete", "do", "double", "dynamic_cast", "else", "enum", + "explicit", "extern", "false", "float", "for", "friend", "goto", "if", + "inline", "int", "long", "mutable", "namespace", "new", "not", "not_eq", + "operator", "or", "or_eq", "private", "protected", "public", "register", + "reinterpret_cast", "return", "short", "signed", "sizeof", "static", + "static_cast", "struct", "switch", "template", "this", "throw", "true", "try", + "typedef", "typeid", "typename", "union", "unsigned", "using", "virtual", + "void", "volatile", "wchar_t", "while", "xor", "xor_eq" +}; + +hash_set<string> MakeKeywordsMap() { + hash_set<string> result; + for (int i = 0; i < GOOGLE_ARRAYSIZE(kKeywordList); i++) { + result.insert(kKeywordList[i]); + } + return result; +} + +hash_set<string> kKeywords = MakeKeywordsMap(); + +} // namespace + +const char kThickSeparator[] = + "// ===================================================================\n"; +const char kThinSeparator[] = + "// -------------------------------------------------------------------\n"; + +string ClassName(const Descriptor* descriptor, bool qualified) { + // Find "outer", the descriptor of the top-level message in which + // "descriptor" is embedded. + const Descriptor* outer = descriptor; + while (outer->containing_type() != NULL) outer = outer->containing_type(); + + const string& outer_name = outer->full_name(); + string inner_name = descriptor->full_name().substr(outer_name.size()); + + if (qualified) { + return "::" + DotsToColons(outer_name) + DotsToUnderscores(inner_name); + } else { + return outer->name() + DotsToUnderscores(inner_name); + } +} + +string ClassName(const EnumDescriptor* enum_descriptor, bool qualified) { + if (enum_descriptor->containing_type() == NULL) { + if (qualified) { + return DotsToColons(enum_descriptor->full_name()); + } else { + return enum_descriptor->name(); + } + } else { + string result = ClassName(enum_descriptor->containing_type(), qualified); + result += '_'; + result += enum_descriptor->name(); + return result; + } +} + +string FieldName(const FieldDescriptor* field) { + string result = field->name(); + LowerString(&result); + if (kKeywords.count(result) > 0) { + result.append("_"); + } + return result; +} + +string StripProto(const string& filename) { + if (HasSuffixString(filename, ".protodevel")) { + return StripSuffixString(filename, ".protodevel"); + } else { + return StripSuffixString(filename, ".proto"); + } +} + +const char* PrimitiveTypeName(FieldDescriptor::CppType type) { + switch (type) { + case FieldDescriptor::CPPTYPE_INT32 : return "::google::protobuf::int32"; + case FieldDescriptor::CPPTYPE_INT64 : return "::google::protobuf::int64"; + case FieldDescriptor::CPPTYPE_UINT32 : return "::google::protobuf::uint32"; + case FieldDescriptor::CPPTYPE_UINT64 : return "::google::protobuf::uint64"; + case FieldDescriptor::CPPTYPE_DOUBLE : return "double"; + case FieldDescriptor::CPPTYPE_FLOAT : return "float"; + case FieldDescriptor::CPPTYPE_BOOL : return "bool"; + case FieldDescriptor::CPPTYPE_ENUM : return "int"; + case FieldDescriptor::CPPTYPE_STRING : return "::std::string"; + case FieldDescriptor::CPPTYPE_MESSAGE: return NULL; + + // No default because we want the compiler to complain if any new + // CppTypes are added. + } + + GOOGLE_LOG(FATAL) << "Can't get here."; + return NULL; +} + +const char* DeclaredTypeMethodName(FieldDescriptor::Type type) { + switch (type) { + case FieldDescriptor::TYPE_INT32 : return "Int32"; + case FieldDescriptor::TYPE_INT64 : return "Int64"; + case FieldDescriptor::TYPE_UINT32 : return "UInt32"; + case FieldDescriptor::TYPE_UINT64 : return "UInt64"; + case FieldDescriptor::TYPE_SINT32 : return "SInt32"; + case FieldDescriptor::TYPE_SINT64 : return "SInt64"; + case FieldDescriptor::TYPE_FIXED32 : return "Fixed32"; + case FieldDescriptor::TYPE_FIXED64 : return "Fixed64"; + case FieldDescriptor::TYPE_SFIXED32: return "SFixed32"; + case FieldDescriptor::TYPE_SFIXED64: return "SFixed64"; + case FieldDescriptor::TYPE_FLOAT : return "Float"; + case FieldDescriptor::TYPE_DOUBLE : return "Double"; + + case FieldDescriptor::TYPE_BOOL : return "Bool"; + case FieldDescriptor::TYPE_ENUM : return "Enum"; + + case FieldDescriptor::TYPE_STRING : return "String"; + case FieldDescriptor::TYPE_BYTES : return "Bytes"; + case FieldDescriptor::TYPE_GROUP : return "Group"; + case FieldDescriptor::TYPE_MESSAGE : return "Message"; + + // No default because we want the compiler to complain if any new + // types are added. + } + GOOGLE_LOG(FATAL) << "Can't get here."; + return ""; +} + +// Convert a file name into a valid identifier. +string FilenameIdentifier(const string& filename) { + string result; + for (int i = 0; i < filename.size(); i++) { + if (ascii_isalnum(filename[i])) { + result.push_back(filename[i]); + } else { + // Not alphanumeric. To avoid any possibility of name conflicts we + // use the hex code for the character. + result.push_back('_'); + char buffer[kFastToBufferSize]; + result.append(FastHexToBuffer(static_cast<uint8>(filename[i]), buffer)); + } + } + return result; +} + +// Return the name of the BuildDescriptors() function for a given file. +string GlobalBuildDescriptorsName(const string& filename) { + return "proto_BuildDescriptors_" + FilenameIdentifier(filename); +} + +} // namespace cpp +} // namespace compiler +} // namespace protobuf +} // namespace google |