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early-access version 1681

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This commit is contained in:
pineappleEA
2021-05-14 06:07:23 +02:00
parent b195744abc
commit e076db528d
12 changed files with 198 additions and 281 deletions
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59
src/common/fs/file.h
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@@ -18,16 +18,13 @@
namespace Common::FS {
enum class SeekOrigin {
/// Seeks from the start of the file.
SetOrigin,
/// Seeks from the current file pointer position.
CurrentPosition,
/// Seeks from the end of the file.
End,
SetOrigin, // Seeks from the start of the file.
CurrentPosition, // Seeks from the current file pointer position.
End, // Seeks from the end of the file.
};
/**
* Opens a file stream at path with a specified open mode.
* Opens a file stream at path with the specified open mode.
*
* @param file_stream Reference to file stream
* @param path Filesystem path
@@ -43,8 +40,7 @@ void OpenFileStream(FileStream& file_stream, const std::filesystem::path& path,
template <typename FileStream, typename Path>
void OpenFileStream(FileStream& file_stream, const Path& path, std::ios_base::openmode open_mode) {
using ValueType = typename Path::value_type;
if constexpr (IsChar<ValueType>) {
if constexpr (IsChar<typename Path::value_type>) {
file_stream.open(ToU8String(path), open_mode);
} else {
file_stream.open(std::filesystem::path{path}, open_mode);
@@ -68,8 +64,7 @@ void OpenFileStream(FileStream& file_stream, const Path& path, std::ios_base::op
template <typename Path>
[[nodiscard]] std::string ReadStringFromFile(const Path& path, FileType type) {
using ValueType = typename Path::value_type;
if constexpr (IsChar<ValueType>) {
if constexpr (IsChar<typename Path::value_type>) {
return ReadStringFromFile(ToU8String(path), type);
} else {
return ReadStringFromFile(std::filesystem::path{path}, type);
@@ -88,16 +83,14 @@ template <typename Path>
*
* @returns Number of characters successfully written.
*/
[[nodiscard]] std::size_t WriteStringToFile(const std::filesystem::path& path, FileType type,
std::string_view string);
[[nodiscard]] size_t WriteStringToFile(const std::filesystem::path& path, FileType type,
std::string_view string);
#ifdef _WIN32
template <typename Path>
[[nodiscard]] std::size_t WriteStringToFile(const Path& path, FileType type,
std::string_view string) {
using ValueType = typename Path::value_type;
if constexpr (IsChar<ValueType>) {
[[nodiscard]] size_t WriteStringToFile(const Path& path, FileType type, std::string_view string) {
if constexpr (IsChar<typename Path::value_type>) {
return WriteStringToFile(ToU8String(path), type, string);
} else {
return WriteStringToFile(std::filesystem::path{path}, type, string);
@@ -116,16 +109,14 @@ template <typename Path>
*
* @returns Number of characters successfully written.
*/
[[nodiscard]] std::size_t AppendStringToFile(const std::filesystem::path& path, FileType type,
std::string_view string);
[[nodiscard]] size_t AppendStringToFile(const std::filesystem::path& path, FileType type,
std::string_view string);
#ifdef _WIN32
template <typename Path>
[[nodiscard]] std::size_t AppendStringToFile(const Path& path, FileType type,
std::string_view string) {
using ValueType = typename Path::value_type;
if constexpr (IsChar<ValueType>) {
[[nodiscard]] size_t AppendStringToFile(const Path& path, FileType type, std::string_view string) {
if constexpr (IsChar<typename Path::value_type>) {
return AppendStringToFile(ToU8String(path), type, string);
} else {
return AppendStringToFile(std::filesystem::path{path}, type, string);
@@ -186,7 +177,7 @@ public:
[[nodiscard]] FileType GetType() const;
/**
* Opens a file at path with a specified file access mode.
* Opens a file at path with the specified file access mode.
* This function behaves differently depending on the FileAccessMode.
* These behaviors are documented in each enum value of FileAccessMode.
*
@@ -215,11 +206,11 @@ public:
#endif
/// Closes a file if it is opened.
/// Closes the file if it is opened.
void Close();
/**
* Returns whether the file is open.
* Checks whether the file is open.
* Use this to check whether the calls to Open() or Close() succeeded.
*
* @returns True if the file is open, false otherwise.
@@ -241,7 +232,7 @@ public:
* @returns Count of T::value_type data or objects successfully read.
*/
template <typename T>
[[nodiscard]] std::size_t Read(T& data) const {
[[nodiscard]] size_t Read(T& data) const {
if constexpr (IsSTLContainer<T>) {
using ContiguousType = typename T::value_type;
static_assert(std::is_trivially_copyable_v<ContiguousType>,
@@ -267,7 +258,7 @@ public:
* @returns Count of T::value_type data or objects successfully written.
*/
template <typename T>
[[nodiscard]] std::size_t Write(const T& data) const {
[[nodiscard]] size_t Write(const T& data) const {
if constexpr (IsSTLContainer<T>) {
using ContiguousType = typename T::value_type;
static_assert(std::is_trivially_copyable_v<ContiguousType>,
@@ -296,7 +287,7 @@ public:
* @returns Count of T data successfully read.
*/
template <typename T>
[[nodiscard]] std::size_t ReadSpan(std::span<T> data) const {
[[nodiscard]] size_t ReadSpan(std::span<T> data) const {
static_assert(std::is_trivially_copyable_v<T>, "Data type must be trivially copyable.");
if (!IsOpen()) {
@@ -322,7 +313,7 @@ public:
* @returns Count of T data successfully written.
*/
template <typename T>
[[nodiscard]] std::size_t WriteSpan(std::span<const T> data) const {
[[nodiscard]] size_t WriteSpan(std::span<const T> data) const {
static_assert(std::is_trivially_copyable_v<T>, "Data type must be trivially copyable.");
if (!IsOpen()) {
@@ -397,7 +388,7 @@ public:
*
* @returns A string read from the file.
*/
[[nodiscard]] std::string ReadString(std::size_t length) const;
[[nodiscard]] std::string ReadString(size_t length) const;
/**
* Specialized function to write a string to a file sequentially.
@@ -408,7 +399,7 @@ public:
*
* @returns Number of characters successfully written.
*/
[[nodiscard]] std::size_t WriteString(std::span<const char> string) const;
[[nodiscard]] size_t WriteString(std::span<const char> string) const;
/**
* Flushes any unwritten buffered data into the file.
@@ -442,7 +433,7 @@ public:
[[nodiscard]] u64 GetSize() const;
/**
* Moves the current position of the file pointer with a specified offset and seek origin.
* Moves the current position of the file pointer with the specified offset and seek origin.
*
* @param offset Offset from seek origin
* @param origin Seek origin
@@ -460,9 +451,7 @@ public:
private:
std::filesystem::path file_path;
FileAccessMode file_access_mode;
FileType file_type;
std::FILE* file = nullptr;