CoCalc Logo Icon
StoreFeaturesDocsShareSupportNewsAboutSign UpSign In
hrydgard

CoCalc provides the best real-time collaborative environment for Jupyter Notebooks, LaTeX documents, and SageMath, scalable from individual users to large groups and classes!

GitHub Repository: hrydgard/ppsspp
 Path: blob/master/Common/File/VFS/DirectoryReader.cpp
Views: 1401
1
#include <cstdio>

2


3
#include "Common/Common.h"

4
#include "Common/Log.h"

5
#include "Common/File/VFS/DirectoryReader.h"

6


7
DirectoryReader::DirectoryReader(const Path &path) {

8
	path_ = path;

9
}

10


11
uint8_t *DirectoryReader::ReadFile(const char *path, size_t *size) {

12
	Path new_path = Path(path).StartsWith(path_) ? Path(path) : path_ / path;

13
	return File::ReadLocalFile(new_path, size);

14
}

15


16
bool DirectoryReader::GetFileListing(const char *path, std::vector<File::FileInfo> *listing, const char *filter = nullptr) {

17
	Path new_path = Path(path).StartsWith(path_) ? Path(path) : path_ / path;

18


19
	File::FileInfo info;

20
	if (!File::GetFileInfo(new_path, &info))

21
		return false;

22


23
	if (info.isDirectory) {

24
		File::GetFilesInDir(new_path, listing, filter);

25
		return true;

26
	}

27
	return false;

28
}

29


30
bool DirectoryReader::GetFileInfo(const char *path, File::FileInfo *info) {

31
	Path new_path = Path(path).StartsWith(path_) ? Path(path) : path_ / path;

32
	return File::GetFileInfo(new_path, info);

33
}

34


35
class DirectoryReaderFileReference : public VFSFileReference {

36
public:

37
	Path path;

38
};

39


40
class DirectoryReaderOpenFile : public VFSOpenFile {

41
public:

42
	~DirectoryReaderOpenFile() {

43
		_dbg_assert_(file == nullptr);

44
	}

45
	FILE *file = nullptr;

46
};

47


48
VFSFileReference *DirectoryReader::GetFile(const char *path) {

49
	Path filePath = path_ / path;

50
	if (!File::Exists(filePath)) {

51
		return nullptr;

52
	}

53


54
	DirectoryReaderFileReference *reference = new DirectoryReaderFileReference();

55
	reference->path = filePath;

56
	return reference;

57
}

58


59
bool DirectoryReader::GetFileInfo(VFSFileReference *vfsReference, File::FileInfo *fileInfo) {

60
	DirectoryReaderFileReference *reference = (DirectoryReaderFileReference *)vfsReference;

61
	return File::GetFileInfo(reference->path, fileInfo);

62
}

63


64
void DirectoryReader::ReleaseFile(VFSFileReference *vfsReference) {

65
	DirectoryReaderFileReference *reference = (DirectoryReaderFileReference *)vfsReference;

66
	delete reference;

67
}

68


69
VFSOpenFile *DirectoryReader::OpenFileForRead(VFSFileReference *vfsReference, size_t *size) {

70
	DirectoryReaderFileReference *reference = (DirectoryReaderFileReference *)vfsReference;

71
	FILE *file = File::OpenCFile(reference->path, "rb");

72
	if (!file) {

73
		return nullptr;

74
	}

75
	fseek(file, 0, SEEK_END);

76
	*size = ftell(file);

77
	fseek(file, 0, SEEK_SET);

78
	DirectoryReaderOpenFile *openFile = new DirectoryReaderOpenFile();

79
	openFile->file = file;

80
	return openFile;

81
}

82


83
void DirectoryReader::Rewind(VFSOpenFile *vfsOpenFile) {

84
	DirectoryReaderOpenFile *openFile = (DirectoryReaderOpenFile *)vfsOpenFile;

85
	fseek(openFile->file, 0, SEEK_SET);

86
}

87


88
size_t DirectoryReader::Read(VFSOpenFile *vfsOpenFile, void *buffer, size_t length) {

89
	DirectoryReaderOpenFile *openFile = (DirectoryReaderOpenFile *)vfsOpenFile;

90
	return fread(buffer, 1, length, openFile->file);

91
}

92


93
void DirectoryReader::CloseFile(VFSOpenFile *vfsOpenFile) {

94
	DirectoryReaderOpenFile *openFile = (DirectoryReaderOpenFile *)vfsOpenFile;

95
	_dbg_assert_(openFile->file != nullptr);

96
	fclose(openFile->file);

97
	openFile->file = nullptr;

98
	delete openFile;

99
}

100


101