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/**
* Copyright (c) 2014, Ford Motor Company
* All rights reserved.
*
* 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 the Ford Motor Company 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 HOLDER 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 "cppgen/cpp_file.h"
#include <cassert>
#include <ostream>
#include "cppgen/naming_convention.h"
#include "model/interface.h"
#include "model/type.h"
#include "utils/safeformat.h"
using std::ostream;
using std::endl;
using typesafe_format::strmfmt;
namespace codegen {
namespace {
const char* kAutoGeneratedComment = "// This file is generated, do not edit";
// This class is used to find and automatically include appropriate
// header file where given type is defined
class IncludeTypeHelper: public TypeCodeGenerator {
public:
// Constructs include helper and immediately includes
// appropriate header file for passed |type|
// into |cpp_file|
IncludeTypeHelper(CppFile* cpp_file, const Type* type);
private:
// Methods
// Returns interface name where given |type| is defined
// Accepts Enum, Struct or Typedef types.
template<class T>
std::string GetTypeInterfaceName(const T* type);
// TypeCodeGenerator interface
virtual void GenerateCodeForArray(const Array* array);
virtual void GenerateCodeForMap(const Map* map);
virtual void GenerateCodeForEnum(const Enum* enm);
virtual void GenerateCodeForNullable(const NullableType* nullable);
virtual void GenerateCodeForStruct(const Struct* strct);
virtual void GenerateCodeForTypedef(const Typedef* tdef);
private:
// Fields
CppFile* cpp_file_;
};
IncludeTypeHelper::IncludeTypeHelper(CppFile* cpp_file, const Type* type)
: cpp_file_(cpp_file) {
type->Apply(this);
}
template<class T>
std::string IncludeTypeHelper::GetTypeInterfaceName(const T* type) {
return LowercaseIntefaceName(type->interface());
}
void IncludeTypeHelper::GenerateCodeForArray(const Array* array) {
array->type()->Apply(this);
}
void IncludeTypeHelper::GenerateCodeForMap(const Map* map) {
map->type()->Apply(this);
}
void IncludeTypeHelper::GenerateCodeForEnum(const Enum *enm) {
cpp_file_->Include(CppFile::Header(
GetTypeInterfaceName(enm) + "/enums.h",
true));
}
void IncludeTypeHelper::GenerateCodeForNullable(const NullableType* nullable) {
nullable->type()->Apply(this);
}
void IncludeTypeHelper::GenerateCodeForStruct(const Struct* strct) {
cpp_file_->Include(CppFile::Header(
GetTypeInterfaceName(strct) + "/types.h",
true));
}
void IncludeTypeHelper::GenerateCodeForTypedef(const Typedef* tdef) {
cpp_file_->Include(CppFile::Header(
GetTypeInterfaceName(tdef) + "/types.h",
true));
}
}
CppFile::CppFile(const std::string& file_name, const std::string& module_name,
bool write_guards)
: write_guards_(write_guards),
file_name_(file_name),
module_name_(module_name) {
}
CppFile::~CppFile() {
}
const std::string& CppFile::file_name() const {
return file_name_;
}
void CppFile::Include(const Header& header) {
headers_.insert(header);
}
void CppFile::IncludeType(const Type& type) {
IncludeTypeHelper(this, &type);
}
void CppFile::Write(std::ostream* os) {
std::string guard_name =
WordList::FromUnknown(module_name_+"_"+file_name_).ToUpperCase() + "_";
*os << kAutoGeneratedComment << endl;
if (write_guards_) {
*os << "#ifndef " << guard_name << endl;
*os << "#define " << guard_name << endl;
}
for (std::set<Header>::iterator i = headers_.begin(), end = headers_.end();
i != end; ++i) {
if (i->is_local()) {
strmfmt(*os, "#include \"{0}\"", i->name()) << endl;
} else {
strmfmt(*os, "#include <{0}>", i->name()) << endl;
}
}
global_namespace_.Write(os);
if (write_guards_) {
*os << "#endif // " << guard_name << endl;
}
}
bool CppFile::Header::is_local() const {
return local_;
}
const std::string& CppFile::Header::name() const {
return name_;
}
CppFile::Header::Header(const std::string& name, bool local)
: name_(name),
local_(local) {
}
bool CppFile::Header::operator <(const Header& that) const {
if (this->local_ != that.local_) {
return int(this->local_) < int(that.local_);
}
return this->name_ < that.name_;
}
Namespace& CppFile::global_namespace() {
return global_namespace_;
}
Namespace& CppFile::module_namespace() {
return
module_name_.empty() ?
global_namespace() : global_namespace().nested("rpc").nested(module_name_);
}
Namespace& CppFile::types_ns() {
return module_namespace();
}
Namespace& CppFile::requests_ns() {
return module_namespace().nested("request");
}
Namespace& CppFile::responses_ns() {
return module_namespace().nested("response");
}
Namespace& CppFile::notifications_ns() {
return module_namespace().nested("notification");
}
Namespace& CppFile::NamespaceByMessageType(FunctionMessage::MessageType type) {
switch(type) {
case FunctionMessage::kRequest:
return requests_ns();
case FunctionMessage::kResponse:
return responses_ns();
case FunctionMessage::kNotification:
return notifications_ns();
default:
assert(!"Invalid message type");
return global_namespace();
}
}
} // namespace codegen
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