(37a72b0150ec36b4ea27175039afc28c62207b0c)

A wrapper around a contiguous block of allocated memory. More...

#include "prism/defines.h"
#include "prism/util/pm_char.h"
#include <assert.h>
#include <stdbool.h>
#include <stdint.h>
#include <stdlib.h>
#include <string.h>

Include dependency graph for pm_buffer.h:

This graph shows which files directly or indirectly include this file:

Go to the source code of this file.

Data Structures
struct	pm_buffer_t
	A pm_buffer_t is a simple memory buffer that stores data in a contiguous block of memory. More...

Enumerations
enum	pm_buffer_escaping_t { PM_BUFFER_ESCAPING_RUBY , PM_BUFFER_ESCAPING_JSON }
	The different types of escaping that can be performed by the buffer when appending a slice of Ruby source code. More...

Functions
PRISM_EXPORTED_FUNCTION size_t	pm_buffer_sizeof (void)
	Return the size of the pm_buffer_t struct. More...

bool	pm_buffer_init_capacity (pm_buffer_t *buffer, size_t capacity)
	Initialize a pm_buffer_t with the given capacity. More...

PRISM_EXPORTED_FUNCTION bool	pm_buffer_init (pm_buffer_t *buffer)
	Initialize a pm_buffer_t with its default values. More...

PRISM_EXPORTED_FUNCTION char *	pm_buffer_value (const pm_buffer_t *buffer)
	Return the value of the buffer. More...

PRISM_EXPORTED_FUNCTION size_t	pm_buffer_length (const pm_buffer_t *buffer)
	Return the length of the buffer. More...

void	pm_buffer_append_zeroes (pm_buffer_t *buffer, size_t length)
	Append the given amount of space as zeroes to the buffer. More...

void	pm_buffer_append_format (pm_buffer_t buffer, const char format,...) PRISM_ATTRIBUTE_FORMAT(2
	Append a formatted string to the buffer. More...

void void	pm_buffer_append_string (pm_buffer_t buffer, const char value, size_t length)
	Append a string to the buffer. More...

void	pm_buffer_append_bytes (pm_buffer_t buffer, const uint8_t value, size_t length)
	Append a list of bytes to the buffer. More...

void	pm_buffer_append_byte (pm_buffer_t *buffer, uint8_t value)
	Append a single byte to the buffer. More...

void	pm_buffer_append_varuint (pm_buffer_t *buffer, uint32_t value)
	Append a 32-bit unsigned integer to the buffer as a variable-length integer. More...

void	pm_buffer_append_varsint (pm_buffer_t *buffer, int32_t value)
	Append a 32-bit signed integer to the buffer as a variable-length integer. More...

void	pm_buffer_append_double (pm_buffer_t *buffer, double value)
	Append a double to the buffer. More...

void	pm_buffer_append_source (pm_buffer_t buffer, const uint8_t source, size_t length, pm_buffer_escaping_t escaping)
	Append a slice of source code to the buffer. More...

void	pm_buffer_prepend_string (pm_buffer_t buffer, const char value, size_t length)
	Prepend the given string to the buffer. More...

void	pm_buffer_concat (pm_buffer_t destination, const pm_buffer_t source)
	Concatenate one buffer onto another. More...

void	pm_buffer_clear (pm_buffer_t *buffer)
	Clear the buffer by reducing its size to 0. More...

void	pm_buffer_rstrip (pm_buffer_t *buffer)
	Strip the whitespace from the end of the buffer. More...

size_t	pm_buffer_index (const pm_buffer_t *buffer, char value)
	Checks if the buffer includes the given value. More...

void	pm_buffer_insert (pm_buffer_t buffer, size_t index, const char value, size_t length)
	Insert the given string into the buffer at the given index. More...

PRISM_EXPORTED_FUNCTION void	pm_buffer_free (pm_buffer_t *buffer)
	Free the memory associated with the buffer. More...

Detailed Description

A wrapper around a contiguous block of allocated memory.

Definition in file pm_buffer.h.

Enumeration Type Documentation

◆ pm_buffer_escaping_t

enum pm_buffer_escaping_t

The different types of escaping that can be performed by the buffer when appending a slice of Ruby source code.

Definition at line 144 of file pm_buffer.h.

Function Documentation

◆ pm_buffer_append_byte()

void pm_buffer_append_byte	(	pm_buffer_t *	buffer,
		uint8_t	value
	)

Append a single byte to the buffer.

Parameters

buffer	The buffer to append to.
value	The byte to append.

Definition at line 135 of file pm_buffer.c.

Referenced by pm_buffer_append_varuint(), pm_dump_json(), pm_integer_string(), pm_serialize(), pm_serialize_lex(), pm_serialize_parse(), pm_serialize_parse_lex(), and pm_serialize_parse_stream().

◆ pm_buffer_append_bytes()

void pm_buffer_append_bytes	(	pm_buffer_t *	buffer,
		const uint8_t *	value,
		size_t	length
	)

Append a list of bytes to the buffer.

Parameters

buffer	The buffer to append to.
value	The bytes to append.
length	The length of the bytes to append.

Definition at line 127 of file pm_buffer.c.

Referenced by pm_serialize_content().

◆ pm_buffer_append_double()

void pm_buffer_append_double	(	pm_buffer_t *	buffer,
		double	value
	)

Append a double to the buffer.

Parameters

buffer	The buffer to append to.
value	The double to append.

Definition at line 170 of file pm_buffer.c.

◆ pm_buffer_append_format()

void pm_buffer_append_format	(	pm_buffer_t *	buffer,
		const char *	format,
			...
	)

Append a formatted string to the buffer.

Parameters

buffer	The buffer to append to.
format	The format string to append.
...	The arguments to the format string.

Referenced by pm_dump_json(), and pm_integer_string().

◆ pm_buffer_append_source()

void pm_buffer_append_source	(	pm_buffer_t *	buffer,
		const uint8_t *	source,
		size_t	length,
		pm_buffer_escaping_t	escaping
	)

Append a slice of source code to the buffer.

Parameters

buffer	The buffer to append to.
source	The source code to append.
length	The length of the source code to append.
escaping	The type of escaping to perform.

Definition at line 179 of file pm_buffer.c.

Referenced by pm_dump_json().

◆ pm_buffer_append_string()

void void pm_buffer_append_string	(	pm_buffer_t *	buffer,
		const char *	value,
		size_t	length
	)

Append a string to the buffer.

Parameters

buffer	The buffer to append to.
value	The string to append.
length	The length of the string to append.

Definition at line 119 of file pm_buffer.c.

Referenced by pm_buffer_insert(), pm_dump_json(), pm_integer_string(), and pm_serialize_encoding().

◆ pm_buffer_append_varsint()

void pm_buffer_append_varsint	(	pm_buffer_t *	buffer,
		int32_t	value
	)

Append a 32-bit signed integer to the buffer as a variable-length integer.

Parameters

buffer	The buffer to append to.
value	The integer to append.

Definition at line 161 of file pm_buffer.c.

Referenced by pm_serialize_parse_comments().

◆ pm_buffer_append_varuint()

void pm_buffer_append_varuint	(	pm_buffer_t *	buffer,
		uint32_t	value
	)

Append a 32-bit unsigned integer to the buffer as a variable-length integer.

Parameters

buffer	The buffer to append to.
value	The integer to append.

Definition at line 144 of file pm_buffer.c.

Referenced by pm_buffer_append_varsint(), pm_serialize_comment_list(), pm_serialize_content(), and pm_serialize_encoding().

◆ pm_buffer_append_zeroes()

void pm_buffer_append_zeroes	(	pm_buffer_t *	buffer,
		size_t	length
	)

Append the given amount of space as zeroes to the buffer.

Parameters

buffer	The buffer to append to.
length	The amount of space to append and zero.

Definition at line 86 of file pm_buffer.c.

Referenced by pm_buffer_insert(), and pm_serialize_content().

◆ pm_buffer_clear()

void pm_buffer_clear ( pm_buffer_t * buffer )

Clear the buffer by reducing its size to 0.

This does not free the allocated memory, but it does allow the buffer to be reused.

Parameters

buffer The buffer to clear.

This does not free the allocated memory, but it does allow the buffer to be reused.

Definition at line 272 of file pm_buffer.c.

◆ pm_buffer_concat()

void pm_buffer_concat	(	pm_buffer_t *	destination,
		const pm_buffer_t *	source
	)

Concatenate one buffer onto another.

Parameters

destination	The buffer to concatenate onto.
source	The buffer to concatenate.

Definition at line 261 of file pm_buffer.c.

◆ pm_buffer_free()

PRISM_EXPORTED_FUNCTION void pm_buffer_free ( pm_buffer_t * buffer )

Free the memory associated with the buffer.

Parameters

buffer The buffer to free.

Definition at line 315 of file pm_buffer.c.

Referenced by pm_prettyprint(), and pm_serialize_parse_stream().

◆ pm_buffer_index()

size_t pm_buffer_index	(	const pm_buffer_t *	buffer,
		char	value
	)

Checks if the buffer includes the given value.

Parameters

buffer	The buffer to check.
value	The value to check for.

Returns: The index of the first occurrence of the value in the buffer, or SIZE_MAX if the value is not found.

Definition at line 290 of file pm_buffer.c.

◆ pm_buffer_init()

PRISM_EXPORTED_FUNCTION bool pm_buffer_init ( pm_buffer_t * buffer )

Initialize a pm_buffer_t with its default values.

Parameters

buffer The buffer to initialize.

Returns: True if the buffer was initialized successfully, false otherwise.

Definition at line 27 of file pm_buffer.c.

Referenced by pm_parse_stream().

◆ pm_buffer_init_capacity()

bool pm_buffer_init_capacity	(	pm_buffer_t *	buffer,
		size_t	capacity
	)

Initialize a pm_buffer_t with the given capacity.

Parameters

buffer	The buffer to initialize.
capacity	The capacity of the buffer.

Returns: True if the buffer was initialized successfully, false otherwise.

Definition at line 15 of file pm_buffer.c.

Referenced by pm_buffer_init().

◆ pm_buffer_insert()

void pm_buffer_insert	(	pm_buffer_t *	buffer,
		size_t	index,
		const char *	value,
		size_t	length
	)

Insert the given string into the buffer at the given index.

Parameters

buffer	The buffer to insert into.
index	The index to insert at.
value	The string to insert.
length	The length of the string to insert.

Definition at line 299 of file pm_buffer.c.

◆ pm_buffer_length()

PRISM_EXPORTED_FUNCTION size_t pm_buffer_length ( const pm_buffer_t * buffer )

Return the length of the buffer.

Parameters

buffer The buffer to get the length of.

Returns: The length of the buffer.

Definition at line 43 of file pm_buffer.c.

Referenced by pm_parse_stream().

◆ pm_buffer_prepend_string()

void pm_buffer_prepend_string	(	pm_buffer_t *	buffer,
		const char *	value,
		size_t	length
	)

Prepend the given string to the buffer.

Parameters

buffer	The buffer to prepend to.
value	The string to prepend.
length	The length of the string to prepend.

Definition at line 249 of file pm_buffer.c.

◆ pm_buffer_rstrip()

void pm_buffer_rstrip ( pm_buffer_t * buffer )

Strip the whitespace from the end of the buffer.

Parameters

buffer The buffer to strip.

Definition at line 280 of file pm_buffer.c.

◆ pm_buffer_sizeof()

PRISM_EXPORTED_FUNCTION size_t pm_buffer_sizeof ( void )

Return the size of the pm_buffer_t struct.

Returns: The size of the pm_buffer_t struct.

Definition at line 7 of file pm_buffer.c.

◆ pm_buffer_value()

PRISM_EXPORTED_FUNCTION char* pm_buffer_value ( const pm_buffer_t * buffer )

Return the value of the buffer.

Parameters

buffer The buffer to get the value of.

Returns: The value of the buffer.

Definition at line 35 of file pm_buffer.c.

Referenced by pm_parse_stream().

(37a72b0150ec36b4ea27175039afc28c62207b0c)

Data Structures

Enumerations

Functions

Detailed Description

Enumeration Type Documentation

◆ pm_buffer_escaping_t

Function Documentation

◆ pm_buffer_append_byte()

◆ pm_buffer_append_bytes()

◆ pm_buffer_append_double()

◆ pm_buffer_append_format()

◆ pm_buffer_append_source()

◆ pm_buffer_append_string()

◆ pm_buffer_append_varsint()

◆ pm_buffer_append_varuint()

◆ pm_buffer_append_zeroes()

◆ pm_buffer_clear()

◆ pm_buffer_concat()

◆ pm_buffer_free()

◆ pm_buffer_index()

◆ pm_buffer_init()

◆ pm_buffer_init_capacity()

◆ pm_buffer_insert()

◆ pm_buffer_length()

◆ pm_buffer_prepend_string()

◆ pm_buffer_rstrip()

◆ pm_buffer_sizeof()

◆ pm_buffer_value()