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// os.cpp
#include "os.h"
#include <stdio.h>
#include <stdlib.h>
using namespace Slang;
// Platform-specific code follows
#ifdef _WIN32
#include <Windows.h>
static bool advance(OSFindFilesResult& result)
{
return FindNextFileW(result.findHandle_, &result.fileData_) != 0;
}
static bool adjustToValidResult(OSFindFilesResult& result)
{
for (;;)
{
if ((result.fileData_.dwFileAttributes & result.requiredMask_) != result.requiredMask_)
goto skip;
if ((result.fileData_.dwFileAttributes & result.disallowedMask_) != 0)
goto skip;
if (wcscmp(result.fileData_.cFileName, L".") == 0)
goto skip;
if (wcscmp(result.fileData_.cFileName, L"..") == 0)
goto skip;
result.filePath_ = result.directoryPath_ + String::fromWString(result.fileData_.cFileName);
if (result.fileData_.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY)
result.filePath_ = result.filePath_ + "/";
return true;
skip:
if (!advance(result))
return false;
}
}
bool OSFindFilesResult::findNextFile()
{
if (!advance(*this)) return false;
return adjustToValidResult(*this);
}
OSFindFilesResult osFindFilesInDirectoryMatchingPattern(
Slang::String directoryPath,
Slang::String pattern)
{
// TODO: add separator to end of directory path if needed
String searchPath = directoryPath + pattern;
OSFindFilesResult result;
HANDLE findHandle = FindFirstFileW(
searchPath.toWString(),
&result.fileData_);
result.directoryPath_ = directoryPath;
result.findHandle_ = findHandle;
result.requiredMask_ = 0;
result.disallowedMask_ = FILE_ATTRIBUTE_DIRECTORY;
if (findHandle == INVALID_HANDLE_VALUE)
{
result.findHandle_ = NULL;
result.error_ = kOSError_FileNotFound;
return result;
}
result.error_ = kOSError_None;
if (!adjustToValidResult(result))
{
result.findHandle_ = NULL;
}
return result;
}
OSFindFilesResult osFindFilesInDirectory(
Slang::String directoryPath)
{
return osFindFilesInDirectoryMatchingPattern(directoryPath, "*");
}
OSFindFilesResult osFindChildDirectories(
Slang::String directoryPath)
{
// TODO: add separator to end of directory path if needed
String searchPath = directoryPath + "*";
OSFindFilesResult result;
HANDLE findHandle = FindFirstFileW(
searchPath.toWString(),
&result.fileData_);
result.directoryPath_ = directoryPath;
result.findHandle_ = findHandle;
result.requiredMask_ = FILE_ATTRIBUTE_DIRECTORY;
result.disallowedMask_ = 0;
if (findHandle == INVALID_HANDLE_VALUE)
{
result.findHandle_ = NULL;
result.error_ = kOSError_FileNotFound;
return result;
}
result.error_ = kOSError_None;
if (!adjustToValidResult(result))
{
result.findHandle_ = NULL;
}
return result;
}
#else
static bool advance(OSFindFilesResult& result)
{
result.entry_ = readdir(result.directory_);
return result.entry_ != NULL;
}
static bool checkValidResult(OSFindFilesResult& result)
{
// fprintf(stderr, "checkValidResullt(%s)\n", result.entry_->d_name);
if (strcmp(result.entry_->d_name, ".") == 0)
return false;
if (strcmp(result.entry_->d_name, "..") == 0)
return false;
String path = result.directoryPath_
+ String(result.entry_->d_name);
// fprintf(stderr, "stat(%s)\n", path.getBuffer());
struct stat fileInfo;
if(stat(path.getBuffer(), &fileInfo) != 0)
return false;
if(S_ISDIR(fileInfo.st_mode))
path = path + "/";
result.filePath_ = path;
return true;
}
static bool adjustToValidResult(OSFindFilesResult& result)
{
for (;;)
{
if(checkValidResult(result))
return true;
if (!advance(result))
return false;
}
}
bool OSFindFilesResult::findNextFile()
{
// fprintf(stderr, "OSFindFilesResult::findNextFile()\n");
if (!advance(*this)) return false;
return adjustToValidResult(*this);
}
OSFindFilesResult osFindFilesInDirectory(
Slang::String directoryPath)
{
OSFindFilesResult result;
// fprintf(stderr, "osFindFilesInDirectory(%s)\n", directoryPath.getBuffer());
result.directory_ = opendir(directoryPath.getBuffer());
if(!result.directory_)
{
result.entry_ = NULL;
return result;
}
result.directoryPath_ = directoryPath;
result.findNextFile();
return result;
}
OSFindFilesResult osFindChildDirectories(
Slang::String directoryPath)
{
OSFindFilesResult result;
result.directory_ = opendir(directoryPath.getBuffer());
if(!result.directory_)
{
result.entry_ = NULL;
return result;
}
// TODO: Set attributes to ignore everything but directories
result.directoryPath_ = directoryPath;
result.findNextFile();
return result;
}
#endif
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