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// Copyright (c) 2011-2016 Ryan Prichard
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to
// deal in the Software without restriction, including without limitation the
// rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
// sell copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
// IN THE SOFTWARE.
#ifndef WINPTY_SHARED_BUFFER_H
#define WINPTY_SHARED_BUFFER_H
#include <stdint.h>
#include <string.h>
#include <algorithm>
#include <utility>
#include <vector>
#include <string>
#include "WinptyException.h"
class WriteBuffer {
private:
std::vector<char> m_buf;
public:
WriteBuffer() {}
template <typename T> void putRawValue(const T &t) {
putRawData(&t, sizeof(t));
}
template <typename T> void replaceRawValue(size_t pos, const T &t) {
replaceRawData(pos, &t, sizeof(t));
}
void putRawData(const void *data, size_t len);
void replaceRawData(size_t pos, const void *data, size_t len);
void putInt32(int32_t i);
void putInt64(int64_t i);
void putWString(const wchar_t *str, size_t len);
void putWString(const wchar_t *str) { putWString(str, wcslen(str)); }
void putWString(const std::wstring &str) { putWString(str.data(), str.size()); }
std::vector<char> &buf() { return m_buf; }
// MSVC 2013 does not generate these automatically, so help it out.
WriteBuffer(WriteBuffer &&other) : m_buf(std::move(other.m_buf)) {}
WriteBuffer &operator=(WriteBuffer &&other) {
m_buf = std::move(other.m_buf);
return *this;
}
};
class ReadBuffer {
public:
class DecodeError : public WinptyException {
virtual const wchar_t *what() const WINPTY_NOEXCEPT override {
return L"DecodeError: RPC message decoding error";
}
};
private:
std::vector<char> m_buf;
size_t m_off = 0;
public:
explicit ReadBuffer(std::vector<char> &&buf) : m_buf(std::move(buf)) {}
template <typename T> T getRawValue() {
T ret = {};
getRawData(&ret, sizeof(ret));
return ret;
}
void getRawData(void *data, size_t len);
int32_t getInt32();
int64_t getInt64();
std::wstring getWString();
void assertEof();
// MSVC 2013 does not generate these automatically, so help it out.
ReadBuffer(ReadBuffer &&other) :
m_buf(std::move(other.m_buf)), m_off(other.m_off) {}
ReadBuffer &operator=(ReadBuffer &&other) {
m_buf = std::move(other.m_buf);
m_off = other.m_off;
return *this;
}
};
#endif // WINPTY_SHARED_BUFFER_H
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