xml.c File Reference

xml_escape More...

#include <cgraph/exit.h>
#include <cgraph/gv_ctype.h>
#include <cgraph/unreachable.h>
#include <common/types.h>
#include <common/utils.h>
#include <inttypes.h>
#include <stdbool.h>
#include <stdint.h>
#include <stdio.h>
#include <stdlib.h>

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Functions
static bool	xml_isentity (const char *s)
static int	xml_core (char previous, const char **current, xml_flags_t flags, int(*cb)(void *state, const char *s), void *state)
int	xml_escape (const char *s, xml_flags_t flags, int(*cb)(void *state, const char *s), void *state)

Function Documentation

xml_core()

static int xml_core ( char  previous, const char **  current, xml_flags_t  flags, int(*)(void *state, const char *s)  cb, void *  state  )

static

XML-escape a character

Parameters

	previous	The source character preceding the current one or '\0' if there was no prior character.
[in,out]	current	Pointer to the current position in a source string being escaped. The pointer is updated based on how many characters are consumed.
	flags	Options for configuring behavior.
	cb	User function for emitting escaped data. This is expected to take a caller-defined state type as the first parameter and the string to emit as the second, and then return an opaque value that is passed back to the caller.
	state	Data to pass as the first parameter when calling cb.

Returns

The return value of a call to cb.

Definition at line 61 of file xml.c.

References flags, graphviz_exit(), state, UNREACHABLE, and xml_isentity().

Referenced by xml_escape().

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xml_escape()

int xml_escape	(	const char *	s,
		xml_flags_t	flags,
		int(*)(void *state, const char *s)	cb,
		void *	state
	)

XML-escape a string

Parameters

s	Source string to process.
flags	Options of how to configure escaping.
cb	An fputs analogue for emitting escaped output.
state	Caller-defined data to pass to cb.

Returns

The first negative value cb returns or the last return value of cb.

Definition at line 179 of file xml.c.

References flags, state, and xml_core().

Referenced by EmbedText(), gvputs_xml(), pango_textlayout(), svg_begin_anchor(), svg_textspan(), xml_puts(), xml_puts(), xml_url_puts(), and xml_url_puts().

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xml_isentity()

static bool xml_isentity ( const char *  s )

static

Definition at line 22 of file xml.c.

References gv_isalpha(), gv_isdigit(), and gv_isxdigit().

Referenced by xml_core().

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