String buffer for composing database queries. More...

#include <querybuf.h>

Public Member Functions
	Querybuf (size_t reserve=512)
void	clear ()
	Reset the querybuf to contain the empty string.
void	start_list (const char *sep)
	Begin a list of items separated by the given separator.
void	appendf (const char *fmt,...) __attribute__((format(printf
	Append a formatted string to the querybuf.
void void	append_list (const char *str)
	Append a string to the querybuf, as part of a list.
void	append_listf (const char *fmt,...) __attribute__((format(printf
	Append a formatted string to the querybuf, as part of a list.
Data Fields
bool	list_first
char	list_sep [10]

Detailed Description

String buffer for composing database queries.

Constructor & Destructor Documentation

dballe::Querybuf::Querybuf ( size_t reserve = 512 )

Parameters:

reserve Initial preallocated size for the buffer. If this is chosen wisely, there is no need to reallocate space while composing the query.

void void dballe::Querybuf::append_list ( const char * str )

Append a string to the querybuf, as part of a list.

This function will prepend str with the current list separator, unless it is the first item added to the list.

Parameters:

str	The string to append

void dballe::Querybuf::append_listf	(	const char *	fmt,
			...
	)

Append a formatted string to the querybuf, as part of a list.

This function will prepend str with the current list separator, unless it is the first item added to the list.

Parameters:

str	The string to append

void dballe::Querybuf::appendf	(	const char *	fmt,
			...
	)

Append a formatted string to the querybuf.

Parameters:

fmt	The string to append, which will be formatted in printf style

void dballe::Querybuf::start_list ( const char * sep )

Begin a list of items separated by the given separator.

Items are added using append_list().

Parameters:

sep	The separator to add between every list item

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