xdot.h File Reference

parsing and deparsing of xdot operations More...

#include <stddef.h>
#include <stdio.h>

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Data Structures
struct	xdot_color_stop
struct	xdot_linear_grad
struct	xdot_radial_grad
struct	xdot_color
struct	xdot_point
struct	xdot_rect
struct	xdot_polyline
struct	xdot_text
struct	xdot_image
struct	xdot_font
struct	_xdot_op
struct	xdot
struct	xdot_stats

Macros
#define	XDOT_PARSE_ERROR   1

Typedefs
typedef struct _xdot_op	xdot_op
typedef void(*	drawfunc_t) (xdot_op *, int)
typedef void(*	freefunc_t) (xdot_op *)

Enumerations
enum	xdot_grad_type { xd_none , xd_linear , xd_radial }
enum	xdot_align { xd_left , xd_center , xd_right }
enum	xdot_kind {   xd_filled_ellipse , xd_unfilled_ellipse , xd_filled_polygon , xd_unfilled_polygon ,   xd_filled_bezier , xd_unfilled_bezier , xd_polyline , xd_text ,   xd_fill_color , xd_pen_color , xd_font , xd_style ,   xd_image , xd_grad_fill_color , xd_grad_pen_color , xd_fontchar }
enum	xop_kind {   xop_ellipse , xop_polygon , xop_bezier , xop_polyline ,   xop_text , xop_fill_color , xop_pen_color , xop_font ,   xop_style , xop_image , xop_grad_color , xop_fontchar }

Functions
xdot *	parseXDotF (char *, drawfunc_t opfns[], size_t sz)
xdot *	parseXDotFOn (char *, drawfunc_t opfns[], size_t sz, xdot *)
xdot *	parseXDot (char *)
char *	sprintXDot (xdot *)
void	fprintXDot (FILE *, xdot *)
void	jsonXDot (FILE *, xdot *)
void	freeXDot (xdot *)
int	statXDot (xdot *, xdot_stats *)
xdot_grad_type	colorTypeXDot (char *)
char *	parseXDotColor (char *cp, xdot_color *clr)
void	freeXDotColor (xdot_color *)

Detailed Description

libxdot provides support for parsing and deparsing graphical operations specified by the xdot language. xdot is extended dot format containing complete layout information.

man 3 xdot

Definition in file xdot.h.

Macro Definition Documentation

XDOT_PARSE_ERROR

#define XDOT_PARSE_ERROR   1

Definition at line 164 of file xdot.h.

Typedef Documentation

drawfunc_t

typedef void(* drawfunc_t) (xdot_op *, int)

Definition at line 143 of file xdot.h.

freefunc_t

typedef void(* freefunc_t) (xdot_op *)

Definition at line 144 of file xdot.h.

xdot_op

typedef struct _xdot_op xdot_op

Definition at line 142 of file xdot.h.

Enumeration Type Documentation

xdot_align

enum xdot_align

Enumerator
xd_left
xd_center
xd_right

Definition at line 76 of file xdot.h.

xdot_grad_type

enum xdot_grad_type

Enumerator
xd_none
xd_linear
xd_radial

Definition at line 46 of file xdot.h.

xdot_kind

enum xdot_kind

Enumerator
xd_filled_ellipse
xd_unfilled_ellipse
xd_filled_polygon
xd_unfilled_polygon
xd_filled_bezier
xd_unfilled_bezier
xd_polyline
xd_text
xd_fill_color
xd_pen_color
xd_font
xd_style
xd_image
xd_grad_fill_color
xd_grad_pen_color
xd_fontchar

Definition at line 108 of file xdot.h.

xop_kind

enum xop_kind

Enumerator
xop_ellipse
xop_polygon
xop_bezier
xop_polyline
xop_text
xop_fill_color
xop_pen_color
xop_font
xop_style
xop_image
xop_grad_color
xop_fontchar

Definition at line 127 of file xdot.h.

Function Documentation

colorTypeXDot()

xdot_grad_type colorTypeXDot

(

char *

)

fprintXDot()

void fprintXDot	(	FILE *	fp,
		xdot *	x
	)

Definition at line 712 of file xdot.c.

References _printXDot(), and printXDot_Op().

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freeXDot()

void freeXDot

(

xdot *

x

)

Definition at line 760 of file xdot.c.

References xdot::cnt, free(), xdot::freefunc, freeXOpData(), xdot::ops, and xdot::sz.

Referenced by edge_spline(), edge_xdot(), graph_cleanup(), renderNodes(), renderSelectedEdges(), renderSelectedNodes(), and write_xdots().

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freeXDotColor()

void freeXDotColor

(

xdot_color *

cp

)

Definition at line 947 of file xdot.c.

References xdot_color_stop::color, free(), xdot_color::ling, xdot_linear_grad::n_stops, xdot_radial_grad::n_stops, xdot_color::ring, xdot_linear_grad::stops, xdot_radial_grad::stops, xdot_color::type, xdot_color::u, xd_linear, and xd_radial.

Referenced by freeXOpData().

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jsonXDot()

void jsonXDot	(	FILE *	fp,
		xdot *	x
	)

Definition at line 716 of file xdot.c.

References _printXDot(), and jsonXDot_Op().

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parseXDot()

xdot * parseXDot

(

char *

s

)

Definition at line 394 of file xdot.c.

References parseXDotF().

Referenced by write_xdots().

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parseXDotColor()

char * parseXDotColor	(	char *	cp,
		xdot_color *	clr
	)

Definition at line 924 of file xdot.c.

References xdot_color::clr, gv_isalnum(), linGradient(), NULL, radGradient(), xdot_color::type, xdot_color::u, and xd_none.

Referenced by parseOp().

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parseXDotF()

xdot * parseXDotF	(	char *	s,
		drawfunc_t	opfns[],
		size_t	sz
	)

Definition at line 390 of file xdot.c.

References NULL, and parseXDotFOn().

Referenced by init_xdot(), and parseXDot().

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parseXDotFOn()

xdot * parseXDotFOn	(	char *	s,
		drawfunc_t	opfns[],
		size_t	sz,
		xdot *	x
	)

Definition at line 340 of file xdot.c.

References xdot::cnt, error, xdot::flags, free(), gv_alloc(), gv_calloc(), gv_recalloc(), NULL, ops, xdot::ops, parseOp(), xdot::sz, XDBSIZE, and XDOT_PARSE_ERROR.

Referenced by parseXDotF(), and parseXdotwithattrs().

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sprintXDot()

char * sprintXDot

(

xdot *

x

)

Definition at line 706 of file xdot.c.

References _printXDot(), agxbdisown(), agxbprint(), and printXDot_Op().

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statXDot()

int statXDot	(	xdot *	x,
		xdot_stats *	sp
	)

Definition at line 778 of file xdot.c.

References _xdot_op::bezier, xdot_polyline::cnt, xdot::cnt, xdot_stats::cnt, _xdot_op::kind, xdot_stats::n_bezier, xdot_stats::n_bezier_pts, xdot_stats::n_color, xdot_stats::n_ellipse, xdot_stats::n_font, xdot_stats::n_fontchar, xdot_stats::n_gradcolor, xdot_stats::n_image, xdot_stats::n_polygon, xdot_stats::n_polygon_pts, xdot_stats::n_polyline, xdot_stats::n_polyline_pts, xdot_stats::n_style, xdot_stats::n_text, xdot::ops, _xdot_op::polygon, _xdot_op::polyline, xdot::sz, _xdot_op::u, xd_fill_color, xd_filled_bezier, xd_filled_ellipse, xd_filled_polygon, xd_font, xd_fontchar, xd_grad_fill_color, xd_grad_pen_color, xd_image, xd_pen_color, xd_polyline, xd_style, xd_text, xd_unfilled_bezier, xd_unfilled_ellipse, and xd_unfilled_polygon.

Referenced by init_xdot().

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