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Showing content from http://www.ncbi.nlm.nih.gov/IEB/ToolBox/CPP_DOC/doxyhtml/line__reader_8cpp_source.html below:

NCBI C++ ToolKit: src/util/line_reader.cpp Source File

44 #define NCBI_USE_ERRCODE_X Util_LineReader 52 if

(filename !=

"-"

) {

56

}

catch

(exception& e) {

58 " CMemoryLineReader to CBufferedLineReader for " 59

<< filename <<

" due to exception: "

<< e.what());

80

: m_Stream(&is, ownership), m_LineNumber(0), m_LastReadSize(0),

81

m_UngetLine(

false

), m_AutoEOL(eol_style == eEOL_unknown),

89

: m_Stream(&is, ownership), m_LineNumber(0), m_LastReadSize(0),

90

m_UngetLine(

false

), m_AutoEOL(

true

), m_EOLStyle(eEOL_unknown)

120 if

(c ==

'\n'

|| c ==

'\r'

) {

135 if

(c ==

'\n'

|| c ==

'\r'

) {

252 if

(eol !=

'\n'

|| pos !=

m_Line

.size()) {

301

: m_Start(static_cast<char*>(mem_file->GetPtr())),

302

m_End(m_Start + mem_file->GetSize()),

304

m_MemFile(mem_file, ownership),

360 const char

* p =

m_Pos

;

366 while

( p <

m_End

&& *p !=

'\r'

&& *p !=

'\n'

) {

372 if

(p + 1 <

m_End

&& *p ==

'\r'

&& p[1] ==

'\n'

) {

374

}

else if

(p <

m_End

) {

419

: m_Reader(reader, ownership),

421

m_UngetLine(

false

422

m_BufferSize(32*1024),

423

m_Buffer(new char[m_BufferSize]),

424

m_Pos(m_Buffer.get()),

437

m_UngetLine(

false

438

m_BufferSize(32*1024),

439

m_Buffer(new char[m_BufferSize]),

440

m_Pos(m_Buffer.get()),

452

m_UngetLine(

false

453

m_BufferSize(32*1024),

454

m_Buffer(new char[m_BufferSize]),

455

m_Pos(m_Buffer.get()),

523 const char

* start =

m_Pos

;

524 const char

* end =

m_End

;

525 for

(

const char

* p = start; p < end; ++p ) {

537 else if

( *p ==

'\r'

) {

573 const char

* start =

m_Pos

;

574 const char

* end =

m_End

;

579 for

(

const char

* p = start; p < end; ++p ) {

581 if

( c ==

'\r'

|| c ==

'\n'

) {

591 if

( p < end && c ==

'\r'

&& *p ==

'\n'

) {

599 if

( c ==

'\r'

&& *p ==

'\n'

) {

611 m_String

.append(start, end - start);

629 for

(

bool

flag =

true

; flag; ) {

Implementation of ILineReader for IReader.

Simple implementation of ILineReader for regions of memory (such as memory-mapped files).

Simple implementation of ILineReader for i(o)streams.

CTempString implements a light-weight string on top of a storage buffer whose lifetime management is ...

A very basic data-read interface.

element_type * get(void) const

Get pointer.

element_type * get(void) const

Get pointer.

@ eTakeOwnership

An object can take ownership of another.

#define ERR_POST_X(err_subcode, message)

Error posting with default error code and given error subcode.

#define NCBI_THROW(exception_class, err_code, message)

Generic macro to throw an exception, given the exception class, error code and message string.

void Info(CExceptionArgs_Base &args)

bool MemMapAdvise(EMemMapAdvise advise) const

Advise on memory map usage.

AutoArray< char > m_Buffer

CStreamLineReader(CNcbiIstream &is, EEOLStyle eol_style=eEOL_unknown, EOwnership ownership=eNoOwnership)

Open a line reader over a given stream, with the given EOL-style and ownership settings (if specified...

CMemoryLineReader(const char *start, const char *end)

Open a line reader over the half-open memory range [start, end).

void UngetLine(void)

Unget current line, which must be valid.

void UngetLine(void)

Unget current line, which must be valid.

char PeekChar(void) const

Returns the first character of the next string without consuming it.

char PeekChar(void) const

Returns the first character of the next string without consuming it.

CTempString operator*(void) const

Return the current line, minus its terminator.

AutoPtr< CMemoryFile > m_MemFile

void UngetLine(void)

Unget current line, which must be valid.

static CRef< ILineReader > New(const string &filename)

Return a new ILineReader object corresponding to the given filename, taking "-" (but not "....

AutoPtr< IReader > m_Reader

CStreamLineReader & operator++(void)

Make a line available.

EEOLStyle x_AdvanceEOLSimple(char eol, char alt_eol)

char PeekChar(void) const

Returns the first character of the next string without consuming it.

CBufferedLineReader(IReader *reader, EOwnership ownership=eNoOwnership)

read from the IReader

CTempString operator*(void) const

Return the current line, minus its terminator.

CTempString operator*(void) const

Return the current line, minus its terminator.

bool AtEOF(void) const

Indicates (negatively) whether there is any more input.

Uint8 GetLineNumber(void) const

Returns the current line number (counting from 1, not 0).

CBufferedLineReader & operator++(void)

Make a line available.

Uint8 GetLineNumber(void) const

Returns the current line number (counting from 1, not 0).

AutoPtr< CNcbiIstream > m_Stream

CT_POS_TYPE GetPosition(void) const

Return the current (absolute) position.

bool AtEOF(void) const

Indicates (negatively) whether there is any more input.

CMemoryLineReader & operator++(void)

Make a line available.

CT_POS_TYPE GetPosition(void) const

Return the current (absolute) position.

CT_POS_TYPE GetPosition(void) const

Return the current (absolute) position.

EEOLStyle x_AdvanceEOLCRLF(void)

virtual ~CBufferedLineReader()

bool AtEOF(void) const

Indicates (negatively) whether there is any more input.

EEOLStyle x_AdvanceEOLUnknown(void)

Uint8 GetLineNumber(void) const

Returns the current line number (counting from 1, not 0).

@ eEOL_mixed

contains both bare CRs and bare LFs

@ eEOL_lf

bare LF (Unix et al.)

@ eEOL_cr

bare CR (classic Mac)

@ eEOL_unknown

to be detected

uint64_t Uint8

8-byte (64-bit) unsigned integer

#define END_NCBI_SCOPE

End previously defined NCBI scope.

#define BEGIN_NCBI_SCOPE

Define ncbi namespace.

ERW_Result

Result codes for I/O operations.

CNcbiIstream & NcbiGetline(CNcbiIstream &is, string &str, char delim, string::size_type *count=NULL)

Read from "is" to "str" up to the delimiter symbol "delim" (or EOF)

static void Pushback(CNcbiIstream &is, CT_CHAR_TYPE *buf, streamsize buf_size, void *del_ptr)

virtual ERW_Result Read(void *buf, size_t count, size_t *bytes_read=0)=0

Read as many as "count" bytes into a buffer pointed to by the "buf" argument.

IO_PREFIX::istream CNcbiIstream

Portable alias for istream.

NCBI_NS_STD::char_traits< char >::pos_type NcbiInt8ToStreampos(Int8 pos)

Convert plain numeric stream position (offset) into stream position usable with STL stream library.

@ eRW_NotImplemented

Action / information is not available.

@ eRW_Eof

End of data, should be considered permanent.

@ eRW_Error

Unrecoverable error, no retry possible.

@ eRW_Timeout

Timeout expired, try again later.

@ eRW_Success

Everything is okay, I/O completed.

NCBI_NS_STD::string::size_type SIZE_TYPE

const_iterator end() const

Return an iterator to the string's ending position (one past the end of the represented sequence)

static bool EndsWith(const CTempString str, const CTempString end, ECase use_case=eCase)

Check if a string ends with a specified suffix value.

bool empty(void) const

Return true if the represented string is empty (i.e., the length is zero)

size_type size(void) const

Return the length of the represented array.

const_iterator begin() const

Return an iterator to the string's starting position.

enum ENcbiOwnership EOwnership

Ownership relations between objects.

Definition of all error codes used in util (xutil.lib).

Lightweight interface for getting lines of data with minimal memory copying.

const struct ncbi::grid::netcache::search::fields::SIZE size

Defines classes: CDirEntry, CFile, CDir, CSymLink, CMemoryFile, CFileUtil, CFileLock,...

static SLJIT_INLINE sljit_ins lr(sljit_gpr dst, sljit_gpr src)

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