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#include <mbgl/util/io.hpp>
#include <cstdio>
#include <cerrno>
#include <iostream>
#include <sstream>
#include <fstream>
#include <unistd.h>
namespace mbgl {
namespace util {
void write_file(const std::string &filename, const std::string &data) {
FILE *fd = fopen(filename.c_str(), "wb");
if (fd) {
fwrite(data.data(), sizeof(std::string::value_type), data.size(), fd);
fclose(fd);
} else {
throw std::runtime_error(std::string("Failed to open file ") + filename);
}
}
std::string read_file(const std::string &filename) {
std::ifstream file(filename);
if (file.good()) {
std::stringstream data;
data << file.rdbuf();
return data.str();
} else {
throw std::runtime_error(std::string("Cannot read file ") + filename);
}
}
optional<std::string> readFile(const std::string &filename) {
std::ifstream file(filename);
if (file.good()) {
std::stringstream data;
data << file.rdbuf();
return data.str();
}
return {};
}
void deleteFile(const std::string& filename) {
const int ret = unlink(filename.c_str());
if (ret == -1) {
throw IOException(errno, "failed to unlink file");
}
}
} // namespace util
} // namespace mbgl
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