mirror of
https://github.com/tfussell/xlnt.git
synced 2024-03-22 13:11:17 +08:00
107 lines
2.9 KiB
C++
107 lines
2.9 KiB
C++
#pragma once
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#include <array>
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#include <fstream>
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#include <string>
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#include <sstream>
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#include <detail/include_windows.hpp>
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#ifdef __APPLE__
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#include <mach-o/dyld.h>
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#include <sys/stat.h>
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#elif defined(_MSC_VER)
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#include <Shlwapi.h>
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#elif defined(__linux)
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#include <unistd.h>
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#include <linux/limits.h>
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#include <sys/types.h>
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#include <sys/stat.h>
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#endif
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class path_helper
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{
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public:
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static xlnt::path get_executable_directory()
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{
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#ifdef __APPLE__
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std::array<char, 1024> path;
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uint32_t size = static_cast<uint32_t>(path.size());
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if (_NSGetExecutablePath(path.data(), &size) == 0)
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{
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return std::string(path.begin(), std::find(path.begin(), path.end(), '\0') - 9);
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}
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throw std::runtime_error("buffer too small, " + std::to_string(path.size()) + ", should be: " + std::to_string(size));
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#elif defined(_MSC_VER)
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std::array<TCHAR, MAX_PATH> buffer;
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DWORD result = GetModuleFileName(nullptr, buffer.data(), (DWORD)buffer.size());
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if(result == 0 || result == buffer.size())
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{
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throw std::runtime_error("GetModuleFileName failed or buffer was too small");
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}
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return xlnt::path(std::string(buffer.begin(), buffer.begin() + result - 13));
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#else
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char arg1[20];
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char exepath[PATH_MAX + 1] = {0};
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sprintf(arg1, "/proc/%d/exe", getpid());
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auto bytes_written = readlink(arg1, exepath, 1024);
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return std::string(exepath).substr(0, bytes_written - 9);
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#endif
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}
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static xlnt::path get_working_directory(const std::string &append = "")
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{
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#ifdef _MSC_VER
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TCHAR buffer[MAX_PATH];
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GetCurrentDirectory(MAX_PATH, buffer);
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std::basic_string<TCHAR> working_directory(buffer);
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std::string working_directory_narrow(working_directory.begin(), working_directory.end());
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return xlnt::path(working_directory_narrow)
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.append(xlnt::path(append));
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#else
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char buffer[PATH_MAX];
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if (getcwd(buffer, 2048) == nullptr)
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{
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throw std::runtime_error("getcwd failed");
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}
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return std::string(buffer);
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#endif
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}
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static xlnt::path get_data_directory(const std::string &append = "")
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{
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return xlnt::path("../../tests/data")
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.make_absolute(get_executable_directory())
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.append(xlnt::path(append));
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}
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static void copy_file(const xlnt::path &source, const xlnt::path &destination, bool overwrite)
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{
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if(!overwrite && destination.exists())
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{
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throw std::runtime_error("destination file already exists and overwrite==false");
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}
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std::ifstream src(source.to_string(), std::ios::binary);
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std::ofstream dst(destination.to_string(), std::ios::binary);
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dst << src.rdbuf();
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}
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static void delete_file(const xlnt::path &path)
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{
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std::remove(path.to_string().c_str());
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}
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};
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