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/*
* Copyright (c) 2010 Remko Tronçon
* Licensed under the GNU General Public License v3.
* See Documentation/Licenses/GPLv3.txt for more information.
*/
#pragma once
#include <vector>
#include <string>
#include <cstring> // for memcpy
namespace Swift {
class ByteArray
{
public:
typedef std::vector<unsigned char>::const_iterator const_iterator;
ByteArray() : data_() {}
ByteArray(const std::string& s) : data_(s.begin(), s.end()) {}
ByteArray(const char* c) {
while (*c) {
data_.push_back(static_cast<unsigned char>(*c));
++c;
}
}
ByteArray(const char* c, size_t n) {
if (n > 0) {
data_.resize(n);
memcpy(&data_[0], c, n);
}
}
ByteArray(const unsigned char* c, size_t n) {
if (n > 0) {
data_.resize(n);
memcpy(&data_[0], c, n);
}
}
ByteArray(const std::vector<unsigned char>& data) : data_(data) {
}
const unsigned char* getData() const {
return data_.empty() ? NULL : &data_[0];
}
unsigned char* getData() {
return data_.empty() ? NULL : &data_[0];
}
const std::vector<unsigned char>& getVector() const {
return data_;
}
std::vector<unsigned char>& getVector() {
return data_;
}
size_t getSize() const {
return data_.size();
}
bool isEmpty() const {
return data_.empty();
}
void resize(size_t size) {
return data_.resize(size);
}
void resize(size_t size, char c) {
return data_.resize(size, static_cast<unsigned char>(c));
}
friend ByteArray operator+(const ByteArray& a, const ByteArray&b) {
ByteArray result(a);
result.data_.insert(result.data_.end(), b.data_.begin(), b.data_.end());
return result;
}
friend ByteArray operator+(const ByteArray& a, char b) {
ByteArray x;
x.resize(1);
x[0] = static_cast<unsigned char>(b);
return a + x;
}
ByteArray& operator+=(const ByteArray& b) {
data_.insert(data_.end(), b.data_.begin(), b.data_.end());
return *this;
}
ByteArray& operator+=(char c) {
data_.push_back(static_cast<unsigned char>(c));
return *this;
}
friend bool operator==(const ByteArray& a, const ByteArray& b) {
return a.data_ == b.data_;
}
const unsigned char& operator[](size_t i) const {
return data_[i];
}
unsigned char& operator[](size_t i) {
return data_[i];
}
const_iterator begin() const {
return data_.begin();
}
const_iterator end() const {
return data_.end();
}
std::string toString() const;
void readFromFile(const std::string& file);
void clear() {
data_.clear();
}
const std::vector<unsigned char>& getDataVector() const {
return data_;
}
static std::vector<unsigned char> create(const std::string& s);
static std::vector<unsigned char> create(const char* c);
static std::vector<unsigned char> create(const unsigned char* c, size_t n);
static std::vector<unsigned char> create(const char* c, size_t n);
static const unsigned char* data(const std::vector<unsigned char>& v) {
return v.empty() ? NULL : &v[0];
}
static const char* charData(const std::vector<unsigned char>& v) {
return v.empty() ? NULL : reinterpret_cast<const char*>(&v[0]);
}
private:
std::vector<unsigned char> data_;
};
}
std::ostream& operator<<(std::ostream& os, const Swift::ByteArray& s);
std::ostream& operator<<(std::ostream& os, const std::vector<unsigned char>& s);
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Swift