WPILibC++ 2023.4.3
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A raw_ostream of a file for reading/writing/seeking. More...
Public Member Functions | |
raw_fd_stream (std::string_view Filename, std::error_code &EC) | |
Open the specified file for reading/writing/seeking. More... | |
Public Member Functions inherited from wpi::raw_fd_ostream | |
raw_fd_ostream (std::string_view Filename, std::error_code &EC) | |
Open the specified file for writing. More... | |
raw_fd_ostream (std::string_view Filename, std::error_code &EC, fs::CreationDisposition Disp) | |
raw_fd_ostream (std::string_view Filename, std::error_code &EC, fs::FileAccess Access) | |
raw_fd_ostream (std::string_view Filename, std::error_code &EC, fs::OpenFlags Flags) | |
raw_fd_ostream (std::string_view Filename, std::error_code &EC, fs::CreationDisposition Disp, fs::FileAccess Access, fs::OpenFlags Flags) | |
raw_fd_ostream (int fd, bool shouldClose, bool unbuffered=false, OStreamKind K=OStreamKind::OK_OStream) | |
FD is the file descriptor that this writes to. More... | |
~raw_fd_ostream () override | |
void | close () |
Manually flush the stream and close the file. More... | |
bool | supportsSeeking () const |
bool | isRegularFile () const |
uint64_t | seek (uint64_t off) |
Flushes the stream and repositions the underlying file descriptor position to the offset specified from the beginning of the file. More... | |
std::error_code | error () const |
bool | has_error () const |
Return the value of the flag in this raw_fd_ostream indicating whether an output error has been encountered. More... | |
void | clear_error () |
Set the flag read by has_error() to false. More... | |
Public Member Functions inherited from wpi::raw_pwrite_stream | |
raw_pwrite_stream (bool Unbuffered=false, OStreamKind K=OStreamKind::OK_OStream) | |
void | pwrite (const char *Ptr, size_t Size, uint64_t Offset) |
Public Member Functions inherited from wpi::raw_ostream | |
raw_ostream (bool unbuffered=false, OStreamKind K=OStreamKind::OK_OStream) | |
raw_ostream (const raw_ostream &)=delete | |
void | operator= (const raw_ostream &)=delete |
virtual | ~raw_ostream () |
uint64_t | tell () const |
tell - Return the current offset with the file. More... | |
OStreamKind | get_kind () const |
virtual void | reserveExtraSpace (uint64_t ExtraSize) |
If possible, pre-allocate ExtraSize bytes for stream data. More... | |
void | SetBuffered () |
Set the stream to be buffered, with an automatically determined buffer size. More... | |
void | SetBufferSize (size_t Size) |
Set the stream to be buffered, using the specified buffer size. More... | |
size_t | GetBufferSize () const |
void | SetUnbuffered () |
Set the stream to be unbuffered. More... | |
size_t | GetNumBytesInBuffer () const |
void | flush () |
raw_ostream & | operator<< (char C) |
raw_ostream & | operator<< (unsigned char C) |
raw_ostream & | operator<< (signed char C) |
raw_ostream & | operator<< (std::span< const uint8_t > Arr) |
raw_ostream & | operator<< (std::string_view Str) |
raw_ostream & | operator<< (const char *Str) |
raw_ostream & | operator<< (const std::string &Str) |
raw_ostream & | operator<< (const SmallVectorImpl< char > &Str) |
raw_ostream & | operator<< (const std::vector< uint8_t > &Arr) |
raw_ostream & | operator<< (const SmallVectorImpl< uint8_t > &Arr) |
raw_ostream & | write_escaped (std::string_view Str, bool UseHexEscapes=false) |
Output Str , turning '\', '\t', '', '"', and anything that doesn't satisfy wpi::isPrint into an escape sequence. More... | |
raw_ostream & | write (unsigned char C) |
raw_ostream & | write (const char *Ptr, size_t Size) |
raw_ostream & | write (const uint8_t *Ptr, size_t Size) |
raw_ostream & | indent (unsigned NumSpaces) |
indent - Insert 'NumSpaces' spaces. More... | |
raw_ostream & | write_zeros (unsigned NumZeros) |
write_zeros - Insert 'NumZeros' nulls. More... | |
virtual raw_ostream & | changeColor (enum Colors Color, bool Bold=false, bool BG=false) |
Changes the foreground color of text that will be output from this point forward. More... | |
virtual raw_ostream & | resetColor () |
Resets the colors to terminal defaults. More... | |
virtual raw_ostream & | reverseColor () |
Reverses the foreground and background colors. More... | |
virtual bool | is_displayed () const |
This function determines if this stream is connected to a "tty" or "console" window. More... | |
virtual bool | has_colors () const |
This function determines if this stream is displayed and supports colors. More... | |
virtual void | enable_colors (bool) |
bool | colors_enabled () const |
void | tie (raw_ostream *TieTo) |
Tie this stream to the specified stream. More... | |
Static Public Member Functions | |
static bool | classof (const raw_ostream *OS) |
Check if OS is a pointer of type raw_fd_stream*. More... | |
Additional Inherited Members | |
Public Types inherited from wpi::raw_ostream | |
enum class | OStreamKind { OK_OStream , OK_FDStream } |
enum class | Colors { BLACK = 0 , RED , GREEN , YELLOW , BLUE , MAGENTA , CYAN , WHITE , SAVEDCOLOR , RESET } |
Static Public Attributes inherited from wpi::raw_ostream | |
static constexpr Colors | BLACK = Colors::BLACK |
static constexpr Colors | RED = Colors::RED |
static constexpr Colors | GREEN = Colors::GREEN |
static constexpr Colors | YELLOW = Colors::YELLOW |
static constexpr Colors | BLUE = Colors::BLUE |
static constexpr Colors | MAGENTA = Colors::MAGENTA |
static constexpr Colors | CYAN = Colors::CYAN |
static constexpr Colors | WHITE = Colors::WHITE |
static constexpr Colors | SAVEDCOLOR = Colors::SAVEDCOLOR |
static constexpr Colors | RESET = Colors::RESET |
Protected Member Functions inherited from wpi::raw_fd_ostream | |
void | error_detected (std::error_code EC) |
Set the flag indicating that an output error has been encountered. More... | |
int | get_fd () const |
Return the file descriptor. More... | |
void | inc_pos (uint64_t Delta) |
Protected Member Functions inherited from wpi::raw_ostream | |
void | SetBuffer (char *BufferStart, size_t Size) |
Use the provided buffer as the raw_ostream buffer. More... | |
virtual size_t | preferred_buffer_size () const |
Return an efficient buffer size for the underlying output mechanism. More... | |
const char * | getBufferStart () const |
Return the beginning of the current stream buffer, or 0 if the stream is unbuffered. More... | |
A raw_ostream of a file for reading/writing/seeking.
wpi::raw_fd_stream::raw_fd_stream | ( | std::string_view | Filename, |
std::error_code & | EC | ||
) |
Open the specified file for reading/writing/seeking.
If an error occurs, information about the error is put into EC, and the stream should be immediately destroyed.
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static |
Check if OS
is a pointer of type raw_fd_stream*.