A basic output stream based on StringBuffer class. More...

#include <basic_ostream.h>

Inheritance diagram for StringBuffer_ostream< BUFFER_SIZE >:

Public Member Functions
	StringBuffer_ostream ()=default

	StringBuffer_ostream (const StringBuffer_ostream &)=delete

StringBuffer_ostream &	operator= (const StringBuffer_ostream &)=delete

bool	write (const unsigned char *buffer, my_off_t length) override
	Write some bytes into the output stream. More...

Public Member Functions inherited from Basic_ostream
virtual	~Basic_ostream ()=default

Public Member Functions inherited from StringBuffer< BUFFER_SIZE >
	StringBuffer ()

	StringBuffer (const CHARSET_INFO *cs)

	StringBuffer (const char str, size_t length, const CHARSET_INFO cs)

Public Member Functions inherited from String
	String ()

	String (size_t length_arg)

	String (const char str, const CHARSET_INFO cs)

	String (const char str, size_t len, const CHARSET_INFO cs)

	String (char str, size_t len, const CHARSET_INFO cs)

	String (const String &str)

	String (String &&str) noexcept

	~String ()

void	set_charset (const CHARSET_INFO *charset_arg)

const CHARSET_INFO *	charset () const

size_t	length () const

size_t	alloced_length () const

const char &	operator[] (size_t i) const

char &	operator[] (size_t i)

void	length (size_t len)

bool	is_empty () const

void	mark_as_const ()

const char *	ptr () const

char *	ptr ()

char *	c_ptr ()

char *	c_ptr_quick ()

char *	c_ptr_safe ()
	Returns a pointer to a C-style null-terminated string. More...

LEX_STRING	lex_string ()

LEX_CSTRING	lex_cstring () const

void	set (String &str, size_t offset, size_t arg_length)

void	set (char str, size_t arg_length, const CHARSET_INFO cs)
	Points the internal buffer to the supplied one. More...

void	set (const char str, size_t arg_length, const CHARSET_INFO cs)

bool	set_ascii (const char *str, size_t arg_length)

void	set_quick (char str, size_t arg_length, const CHARSET_INFO cs)

bool	set_int (longlong num, bool unsigned_flag, const CHARSET_INFO *cs)

bool	set (longlong num, const CHARSET_INFO *cs)

bool	set (ulonglong num, const CHARSET_INFO *cs)

bool	set_real (double num, uint decimals, const CHARSET_INFO *cs)
	Sets the contents of this string to the string representation of the given double value. More...

void	chop ()

void	mem_claim (bool claim)

void	mem_free ()

bool	alloc (size_t arg_length)

bool	real_alloc (size_t arg_length)

bool	mem_realloc (size_t arg_length, bool force_on_heap=false)
	Allocates a new buffer on the heap for this String. More...

void	shrink (size_t arg_length)

bool	is_alloced () const

String &	operator= (const String &s)

String &	operator= (String &&s) noexcept

void	takeover (String &s)
	Takeover the buffer owned by another string. More...

bool	copy ()

bool	copy (const String &s)
	Copies the internal buffer from str. More...

bool	copy (const char s, size_t arg_length, const CHARSET_INFO cs)

bool	copy (const char s, size_t arg_length, const CHARSET_INFO from_cs, const CHARSET_INFO to_cs, uint errors)
	Copies the character data into this String, with optional character set conversion. More...

bool	needs_conversion (const CHARSET_INFO *cs_to) const

bool	is_valid_string (const CHARSET_INFO *cs_to) const

bool	copy_aligned (const char s, size_t arg_length, size_t offset, const CHARSET_INFO cs)

bool	set_or_copy_aligned (const char s, size_t arg_length, const CHARSET_INFO cs)

bool	append (const String &s)

bool	append (std::string_view s)

bool	append (LEX_STRING *ls)

bool	append (Simple_cstring str)

bool	append (const char *s, size_t arg_length)

bool	append (const char s, size_t arg_length, const CHARSET_INFO cs)

bool	append_ulonglong (ulonglong val)
	Append an unsigned longlong to the string. More...

bool	append_longlong (longlong val)
	Append a signed longlong to the string. More...

bool	append_with_prefill (const char *s, size_t arg_length, size_t full_length, char fill_char)

bool	append_parenthesized (int64_t nr)
	Append a parenthesized number to String. More...

int	strstr (const String &search, size_t offset=0) const
	Search for a substring. More...

int	strrstr (const String &search, size_t offset=0) const
	Reverse search for a substring. More...

String	substr (int offset, int count) const
	Returns substring of given characters length, starting at given character offset. More...

bool	replace (size_t offset, size_t arg_length, const char *to, size_t length)

bool	replace (size_t offset, size_t arg_length, const String &to)

bool	append (char chr)

bool	fill (size_t max_length, char fill)

size_t	numchars () const

size_t	charpos (size_t i, size_t offset=0) const

bool	reserve (size_t space_needed)

bool	reserve (size_t space_needed, size_t grow_by)

char *	prep_append (size_t arg_length, size_t step_alloc)

bool	append (const char *s, size_t arg_length, size_t step_alloc)

void	print (String *print) const

void	swap (String &s) noexcept

bool	uses_buffer_owned_by (const String *s) const

bool	is_ascii () const

char *	dup (MEM_ROOT *root) const
	Make a zero-terminated copy of our value,allocated in the specified MEM_ROOT. More...

Additional Inherited Members
Static Public Member Functions inherited from String
static void *	operator new (size_t size, MEM_ROOT *mem_root, const std::nothrow_t &arg=std::nothrow) noexcept

static void	operator delete (void *ptr_arg, size_t size)

static void	operator delete (void , MEM_ROOT , const std::nothrow_t &) noexcept

static bool	needs_conversion (size_t arg_length, const CHARSET_INFO cs_from, const CHARSET_INFO cs_to, size_t *offset)
	Checks that the source string can be just copied to the destination string without conversion. More...

static bool	needs_conversion_on_storage (size_t arg_length, const CHARSET_INFO cs_from, const CHARSET_INFO cs_to)

Detailed Description

template<int BUFFER_SIZE>
class StringBuffer_ostream< BUFFER_SIZE >

A basic output stream based on StringBuffer class.

It has a stack buffer of size BUFFER_SIZE. It will allocate memory to create a heap buffer if data exceeds the size of heap buffer.

Constructor & Destructor Documentation

◆ StringBuffer_ostream() [1/2]

template<int BUFFER_SIZE>

StringBuffer_ostream< BUFFER_SIZE >::StringBuffer_ostream ( )

default

◆ StringBuffer_ostream() [2/2]

template<int BUFFER_SIZE>

StringBuffer_ostream< BUFFER_SIZE >::StringBuffer_ostream ( const StringBuffer_ostream< BUFFER_SIZE > & )

delete

Member Function Documentation

◆ operator=()

template<int BUFFER_SIZE>

StringBuffer_ostream & StringBuffer_ostream< BUFFER_SIZE >::operator= ( const StringBuffer_ostream< BUFFER_SIZE > & )

delete

◆ write()

template<int BUFFER_SIZE>

bool StringBuffer_ostream< BUFFER_SIZE >::write	(	const unsigned char *	buffer,
		my_off_t	length
	)

inlineoverridevirtual

Write some bytes into the output stream.

When all data is written into the stream successfully, then it return false. Otherwise, true is returned. It will never returns false when partial data is written into the stream.

Parameters

[in]	buffer	Data to be written
[in]	length	Length of the data

Return values

false	Success.
true	Error.

Implements Basic_ostream.

The documentation for this class was generated from the following file:

sql/basic_ostream.h

Public Member Functions

Additional Inherited Members

Detailed Description

Constructor & Destructor Documentation

◆ StringBuffer_ostream() [1/2]

◆ StringBuffer_ostream() [2/2]

Member Function Documentation

◆ operator=()

◆ write()