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/*
* Copyright 2011 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.
*/
#ifndef SFNTLY_CPP_SRC_SFNTLY_PORT_TYPE_H_
#define SFNTLY_CPP_SRC_SFNTLY_PORT_TYPE_H_
#include <assert.h>
#if defined (_MSC_VER) && (_MSC_VER < 1600)
typedef unsigned char uint8_t;
typedef signed char int8_t;
typedef unsigned __int16 uint16_t;
typedef signed __int16 int16_t;
typedef unsigned __int32 uint32_t;
typedef signed __int32 int32_t;
typedef unsigned __int64 uint64_t;
typedef signed __int64 int64_t;
// Definitions to avoid ICU redefinition issue
#define U_HAVE_INT8_T 1
#define U_HAVE_UINT8_T 1
#define U_HAVE_INT16_T 1
#define U_HAVE_UINT16_T 1
#define U_HAVE_INT32_T 1
#define U_HAVE_UINT32_T 1
#define U_HAVE_INT64_T 1
#define U_HAVE_UINT64_T 1
#else
#include <stdint.h>
#endif
#include <cstddef>
#include <vector>
#include <set>
namespace sfntly {
typedef uint8_t byte_t;
typedef uint16_t word_t;
typedef uint32_t dword_t;
typedef uint64_t qword_t;
typedef std::vector<byte_t> ByteVector;
typedef std::vector<int32_t> IntegerList;
typedef std::set<int32_t> IntegerSet;
// A macro to disallow the copy constructor and operator= functions.
// This should be used in the private: declarations for a class.
#define NO_COPY_AND_ASSIGN(TypeName) \
TypeName(const TypeName&); \
void operator=(const TypeName&)
} // namespace sfntly
// Make google3 happy since it prohibits RTTI.
template<typename To, typename From>
inline To implicit_cast(From const &f) {
return f;
}
template<typename To, typename From> // use like this: down_cast<T*>(foo);
inline To down_cast(From* f) { // so we only accept pointers
// Ensures that To is a sub-type of From *. This test is here only
// for compile-time type checking, and has no overhead in an
// optimized build at run-time, as it will be optimized away
// completely.
#if defined (_MSC_VER)
#pragma warning(push)
#pragma warning(disable:4127) // disable "conditional expression is constant"
#endif
if (false) {
implicit_cast<From*, To>(0);
}
#if defined (_MSC_VER)
#pragma warning(pop)
#endif
// The following code is the only place for RTTI. It is done so to allow
// additional type checking when SFNTLY_TYPE_VERIFICATION is defined.
#if defined (SFNTLY_TYPE_VERIFICATION)
assert(f == NULL || dynamic_cast<To>(f) != NULL);
#endif
return static_cast<To>(f);
}
#if !defined(WIN32)
#define UNREFERENCED_PARAMETER(p) do { (void)p; } while (0)
#endif
#endif // SFNTLY_CPP_SRC_SFNTLY_PORT_TYPE_H_
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