roc::core::StringBuffer Class Reference

String buffer. More...

#include <roc_core/string_buffer.h>

Inheritance diagram for roc::core::StringBuffer:

Public Member Functions
	StringBuffer (IArena &arena)
	Initialize empty buffer.
bool	is_empty () const
	Check if buffer is empty.
size_t	len () const
	Get string length, excluding terminating zero.
const char *	c_str () const
	Get zero-terminated string.
void	clear ()
	Set buffer to empty string.
bool	assign (const char *str)
	Copy given string into buffer. str should be zero-terminated.
bool	assign (const char *str_begin, const char *str_end)
	Copy given range into buffer. Buffer will be automatically zero-terminated.
char *	extend (size_t n_chars)
	Extend buffer by requested number of characters.
bool	grow (size_t desired_len)
	Grow capacity to be able to hold desired number of characters. Capacity is increased linearly.
bool	grow_exp (size_t desired_len)
	Grow capacity to be able to hold desired number of characters. Capacity is increased exponentially.

Detailed Description

String buffer.

Dynamic array storing zero-terminated string. Works on top of Array, but guarantees that the string is always zero-terminated.

Template Parameters

EmbeddedCapacity

is the same as for Array.

Definition at line 30 of file string_buffer.h.

Constructor & Destructor Documentation

StringBuffer()

roc::core::StringBuffer::StringBuffer ( IArena &  arena )

explicit

Initialize empty buffer.

Member Function Documentation

assign() [1/2]

bool roc::core::StringBuffer::assign

(

const char *

str

)

Copy given string into buffer. str should be zero-terminated.

Returns

false if allocation failed.

assign() [2/2]

bool roc::core::StringBuffer::assign	(	const char *	str_begin,
		const char *	str_end
	)

Copy given range into buffer. Buffer will be automatically zero-terminated.

Returns

false if allocation failed.

c_str()

const char * roc::core::StringBuffer::c_str

(

)

const

Get zero-terminated string.

clear()

void roc::core::StringBuffer::clear

(

)

Set buffer to empty string.

extend()

char * roc::core::StringBuffer::extend

(

size_t

n_chars

)

Extend buffer by requested number of characters.

Remarks

Characters are appended to the buffer and filled with zeros. It's the caller responsibility to fill them.

Returns

NULL if allocation failed.

grow()

bool roc::core::StringBuffer::grow

(

size_t

desired_len

)

Grow capacity to be able to hold desired number of characters. Capacity is increased linearly.

Returns

false if allocation failed.

grow_exp()

bool roc::core::StringBuffer::grow_exp

(

size_t

desired_len

)

Grow capacity to be able to hold desired number of characters. Capacity is increased exponentially.

Returns

false if allocation failed.

is_empty()

bool roc::core::StringBuffer::is_empty

(

)

const

Check if buffer is empty.

len()

size_t roc::core::StringBuffer::len

(

)

const

Get string length, excluding terminating zero.

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

• roc_core/string_buffer.h