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#include "../include/Storage.hpp"
#include "../include/env.hpp"
#include <stdio.h>
#include <assert.h>
#if OS_FAMILY == OS_FAMILY_POSIX
#include <pwd.h>
#include <unistd.h>
#include <sys/stat.h>
#include <sys/types.h>
#include <fcntl.h>
#endif
static int makedir(const char *path) {
return mkdir(path, S_IRWXU);
}
namespace QuickMedia {
Path get_home_dir()
{
#if OS_FAMILY == OS_FAMILY_POSIX
const char *homeDir = getenv("HOME");
if(!homeDir)
{
passwd *pw = getpwuid(getuid());
homeDir = pw->pw_dir;
}
return homeDir;
#elif OS_FAMILY == OS_FAMILY_WINDOWS
BOOL ret;
HANDLE hToken;
std::wstring homeDir;
DWORD homeDirLen = MAX_PATH;
homeDir.resize(homeDirLen);
if (!OpenProcessToken(GetCurrentProcess(), TOKEN_READ, &hToken))
throw std::runtime_error("Failed to open process token");
if (!GetUserProfileDirectory(hToken, &homeDir[0], &homeDirLen))
{
CloseHandle(hToken);
throw std::runtime_error("Failed to get home directory");
}
CloseHandle(hToken);
homeDir.resize(wcslen(homeDir.c_str()));
return boost::filesystem::path(homeDir);
#endif
}
Path get_storage_dir() {
return get_home_dir().join(".config").join("quickmedia");
}
Path get_cache_dir() {
return get_home_dir().join(".cache").join("quickmedia");
}
int create_directory_recursive(const Path &path) {
size_t index = 0;
while(true) {
index = path.data.find('/', index);
// Skips first '/', we don't want to try and create the root directory
if(index == 0) {
++index;
continue;
}
std::string path_component = path.data.substr(0, index);
int err = makedir(path_component.c_str());
if(err == -1 && errno != EEXIST)
return err;
if(index == std::string::npos)
break;
else
++index;
}
return 0;
}
FileType get_file_type(const Path &path) {
struct stat file_stat;
if(stat(path.data.c_str(), &file_stat) == 0)
return S_ISREG(file_stat.st_mode) ? FileType::REGULAR : FileType::DIRECTORY;
return FileType::FILE_NOT_FOUND;
}
int file_get_content(const Path &path, std::string &result) {
assert(get_file_type(path) == FileType::REGULAR);
FILE *file = fopen(path.data.c_str(), "rb");
if(!file)
return -errno;
fseek(file, 0, SEEK_END);
size_t file_size = ftell(file);
fseek(file, 0, SEEK_SET);
result.resize(file_size);
fread(&result[0], 1, file_size, file);
fclose(file);
return 0;
}
int file_overwrite(const Path &path, const std::string &data) {
FILE *file = fopen(path.data.c_str(), "wb");
if(!file)
return errno;
if(fwrite(data.data(), 1, data.size(), file) != data.size()) {
fclose(file);
return -1;
}
return fclose(file);
}
int create_lock_file(const Path &path) {
int fd = open(path.data.c_str(), O_CREAT | O_EXCL);
if(fd == -1)
return errno;
return close(fd);
}
void for_files_in_dir(const Path &path, FileIteratorCallback callback) {
for(auto &p : std::filesystem::directory_iterator(path.data)) {
if(!callback(p.path()))
break;
}
}
}
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