mirror of
https://github.com/luau-lang/luau.git
synced 2024-12-13 13:30:40 +00:00
262 lines
6.2 KiB
C++
262 lines
6.2 KiB
C++
// This file is part of the Luau programming language and is licensed under MIT License; see LICENSE.txt for details
|
|
#include "FileUtils.h"
|
|
|
|
#include "Luau/Common.h"
|
|
|
|
#ifdef _WIN32
|
|
#define WIN32_LEAN_AND_MEAN
|
|
#include <windows.h>
|
|
#else
|
|
#include <dirent.h>
|
|
#include <fcntl.h>
|
|
#include <unistd.h>
|
|
#include <sys/stat.h>
|
|
#endif
|
|
|
|
#include <string.h>
|
|
|
|
#ifdef _WIN32
|
|
static std::wstring fromUtf8(const std::string& path)
|
|
{
|
|
size_t result = MultiByteToWideChar(CP_UTF8, 0, path.data(), int(path.size()), nullptr, 0);
|
|
LUAU_ASSERT(result);
|
|
|
|
std::wstring buf(result, L'\0');
|
|
MultiByteToWideChar(CP_UTF8, 0, path.data(), int(path.size()), &buf[0], int(buf.size()));
|
|
|
|
return buf;
|
|
}
|
|
|
|
static std::string toUtf8(const std::wstring& path)
|
|
{
|
|
size_t result = WideCharToMultiByte(CP_UTF8, 0, path.data(), int(path.size()), nullptr, 0, nullptr, nullptr);
|
|
LUAU_ASSERT(result);
|
|
|
|
std::string buf(result, '\0');
|
|
WideCharToMultiByte(CP_UTF8, 0, path.data(), int(path.size()), &buf[0], int(buf.size()), nullptr, nullptr);
|
|
|
|
return buf;
|
|
}
|
|
#endif
|
|
|
|
std::optional<std::string> readFile(const std::string& name)
|
|
{
|
|
#ifdef _WIN32
|
|
FILE* file = _wfopen(fromUtf8(name).c_str(), L"rb");
|
|
#else
|
|
FILE* file = fopen(name.c_str(), "rb");
|
|
#endif
|
|
|
|
if (!file)
|
|
return std::nullopt;
|
|
|
|
fseek(file, 0, SEEK_END);
|
|
long length = ftell(file);
|
|
if (length < 0)
|
|
{
|
|
fclose(file);
|
|
return std::nullopt;
|
|
}
|
|
fseek(file, 0, SEEK_SET);
|
|
|
|
std::string result(length, 0);
|
|
|
|
size_t read = fread(result.data(), 1, length, file);
|
|
fclose(file);
|
|
|
|
if (read != size_t(length))
|
|
return std::nullopt;
|
|
|
|
return result;
|
|
}
|
|
|
|
template<typename Ch>
|
|
static void joinPaths(std::basic_string<Ch>& str, const Ch* lhs, const Ch* rhs)
|
|
{
|
|
str = lhs;
|
|
if (!str.empty() && str.back() != '/' && str.back() != '\\' && *rhs != '/' && *rhs != '\\')
|
|
str += '/';
|
|
str += rhs;
|
|
}
|
|
|
|
#ifdef _WIN32
|
|
static bool traverseDirectoryRec(const std::wstring& path, const std::function<void(const std::string& name)>& callback)
|
|
{
|
|
std::wstring query = path + std::wstring(L"/*");
|
|
|
|
WIN32_FIND_DATAW data;
|
|
HANDLE h = FindFirstFileW(query.c_str(), &data);
|
|
|
|
if (h == INVALID_HANDLE_VALUE)
|
|
return false;
|
|
|
|
std::wstring buf;
|
|
|
|
do
|
|
{
|
|
if (wcscmp(data.cFileName, L".") != 0 && wcscmp(data.cFileName, L"..") != 0)
|
|
{
|
|
joinPaths(buf, path.c_str(), data.cFileName);
|
|
|
|
if (data.dwFileAttributes & FILE_ATTRIBUTE_REPARSE_POINT)
|
|
{
|
|
// Skip reparse points to avoid handling cycles
|
|
}
|
|
else if (data.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY)
|
|
{
|
|
traverseDirectoryRec(buf, callback);
|
|
}
|
|
else
|
|
{
|
|
callback(toUtf8(buf));
|
|
}
|
|
}
|
|
} while (FindNextFileW(h, &data));
|
|
|
|
FindClose(h);
|
|
|
|
return true;
|
|
}
|
|
|
|
bool traverseDirectory(const std::string& path, const std::function<void(const std::string& name)>& callback)
|
|
{
|
|
return traverseDirectoryRec(fromUtf8(path), callback);
|
|
}
|
|
#else
|
|
static bool traverseDirectoryRec(const std::string& path, const std::function<void(const std::string& name)>& callback)
|
|
{
|
|
int fd = open(path.c_str(), O_DIRECTORY);
|
|
DIR* dir = fdopendir(fd);
|
|
|
|
if (!dir)
|
|
return false;
|
|
|
|
std::string buf;
|
|
|
|
while (dirent* entry = readdir(dir))
|
|
{
|
|
const dirent& data = *entry;
|
|
|
|
if (strcmp(data.d_name, ".") != 0 && strcmp(data.d_name, "..") != 0)
|
|
{
|
|
joinPaths(buf, path.c_str(), data.d_name);
|
|
|
|
int type = data.d_type;
|
|
int mode = -1;
|
|
|
|
// we need to stat DT_UNKNOWN to be able to tell the type
|
|
if (type == DT_UNKNOWN)
|
|
{
|
|
struct stat st = {};
|
|
#ifdef _ATFILE_SOURCE
|
|
fstatat(fd, data.d_name, &st, 0);
|
|
#else
|
|
lstat(buf.c_str(), &st);
|
|
#endif
|
|
|
|
mode = st.st_mode;
|
|
}
|
|
|
|
if (type == DT_DIR || mode == S_IFDIR)
|
|
{
|
|
traverseDirectoryRec(buf, callback);
|
|
}
|
|
else if (type == DT_REG || mode == S_IFREG)
|
|
{
|
|
callback(buf);
|
|
}
|
|
else if (type == DT_LNK || mode == S_IFLNK)
|
|
{
|
|
// Skip symbolic links to avoid handling cycles
|
|
}
|
|
}
|
|
}
|
|
|
|
closedir(dir);
|
|
|
|
return true;
|
|
}
|
|
|
|
bool traverseDirectory(const std::string& path, const std::function<void(const std::string& name)>& callback)
|
|
{
|
|
return traverseDirectoryRec(path, callback);
|
|
}
|
|
#endif
|
|
|
|
bool isDirectory(const std::string& path)
|
|
{
|
|
#ifdef _WIN32
|
|
return (GetFileAttributesW(fromUtf8(path).c_str()) & FILE_ATTRIBUTE_DIRECTORY) != 0;
|
|
#else
|
|
struct stat st = {};
|
|
lstat(path.c_str(), &st);
|
|
return (st.st_mode & S_IFMT) == S_IFDIR;
|
|
#endif
|
|
}
|
|
|
|
std::string joinPaths(const std::string& lhs, const std::string& rhs)
|
|
{
|
|
std::string result = lhs;
|
|
if (!result.empty() && result.back() != '/' && result.back() != '\\')
|
|
result += '/';
|
|
result += rhs;
|
|
return result;
|
|
}
|
|
|
|
std::optional<std::string> getParentPath(const std::string& path)
|
|
{
|
|
if (path == "" || path == "." || path == "/")
|
|
return std::nullopt;
|
|
|
|
#ifdef _WIN32
|
|
if (path.size() == 2 && path.back() == ':')
|
|
return std::nullopt;
|
|
#endif
|
|
|
|
std::string::size_type slash = path.find_last_of("\\/", path.size() - 1);
|
|
|
|
if (slash == 0)
|
|
return "/";
|
|
|
|
if (slash != std::string::npos)
|
|
return path.substr(0, slash);
|
|
|
|
return "";
|
|
}
|
|
|
|
static std::string getExtension(const std::string& path)
|
|
{
|
|
std::string::size_type dot = path.find_last_of(".\\/");
|
|
|
|
if (dot == std::string::npos || path[dot] != '.')
|
|
return "";
|
|
|
|
return path.substr(dot);
|
|
}
|
|
|
|
std::vector<std::string> getSourceFiles(int argc, char** argv)
|
|
{
|
|
std::vector<std::string> files;
|
|
|
|
for (int i = 1; i < argc; ++i)
|
|
{
|
|
if (argv[i][0] == '-')
|
|
continue;
|
|
|
|
if (isDirectory(argv[i]))
|
|
{
|
|
traverseDirectory(argv[i], [&](const std::string& name) {
|
|
std::string ext = getExtension(name);
|
|
|
|
if (ext == ".lua" || ext == ".luau")
|
|
files.push_back(name);
|
|
});
|
|
}
|
|
else
|
|
{
|
|
files.push_back(argv[i]);
|
|
}
|
|
}
|
|
|
|
return files;
|
|
}
|