gvrender_core_json.c File Reference

#include "config.h"
#include <stdarg.h>
#include <stdbool.h>
#include <stdlib.h>
#include <string.h>
#include <ctype.h>
#include <common/macros.h>
#include <common/const.h>
#include <xdot/xdot.h>
#include <gvc/gvplugin_render.h>
#include <gvc/gvplugin_device.h>
#include <cgraph/alloc.h>
#include <cgraph/startswith.h>
#include <cgraph/streq.h>
#include <cgraph/unreachable.h>
#include <common/utils.h>
#include <gvc/gvc.h>
#include <gvc/gvio.h>
#include <gvc/gvcint.h>

Include dependency graph for gvrender_core_json.c:

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Data Structures
struct	state_t
	information the ID allocator needs to do its job More...
struct	gvid_t
struct	intm

Macros
#define	ID   "id"
#define	ND_gid(n)   (((gvid_t*)aggetrec(n, ID, 0))->id)
#define	ED_gid(n)   (((gvid_t*)aggetrec(n, ID, 0))->id)
#define	GD_gid(n)   (((gvid_t*)aggetrec(n, ID, 0))->id)
#define	LOCALNAMEPREFIX   '%'

Typedefs
typedef int(*	putstrfn) (void *chan, const char *str)
typedef int(*	flushfn) (void *chan)

Enumerations
enum	format_type { FORMAT_JSON , FORMAT_JSON0 , FORMAT_DOT_JSON , FORMAT_XDOT_JSON }

Functions
static bool	IS_CLUSTER (Agraph_t *s)
static void	json_begin_graph (GVJ_t *job)
static void	stoj (char *ins, state_t *sp, GVJ_t *job)
static void	indent (GVJ_t *job, int level)
static void	set_attrwf (Agraph_t *g, bool toplevel, bool value)
static void	write_polyline (GVJ_t *job, xdot_polyline *polyline)
static void	write_stops (GVJ_t *job, int n_stops, xdot_color_stop *stp, state_t *sp)
static void	write_radial_grad (GVJ_t *job, xdot_radial_grad *rg, state_t *sp)
static void	write_linear_grad (GVJ_t *job, xdot_linear_grad *lg, state_t *sp)
static void	write_xdot (xdot_op *op, GVJ_t *job, state_t *sp)
static void	write_xdots (char *val, GVJ_t *job, state_t *sp)
static bool	isXDot (const char *name)
static void	write_attrs (Agobj_t *obj, GVJ_t *job, state_t *sp)
static void	write_hdr (Agraph_t *g, GVJ_t *job, bool top, state_t *sp)
static void	write_graph (Agraph_t *g, GVJ_t *job, bool top, state_t *sp)
static void	write_subg (Agraph_t *g, GVJ_t *job, state_t *sp)
static bool	write_subgs (Agraph_t *g, GVJ_t *job, bool top, state_t *sp)
static int	agseqasc (const void *x, const void *y)
static void	write_edge (Agedge_t *e, GVJ_t *job, bool top, state_t *sp)
static int	write_edges (Agraph_t *g, GVJ_t *job, bool top, state_t *sp)
static void	write_node (Agnode_t *n, GVJ_t *job, bool top, state_t *sp)
static int	write_nodes (Agraph_t *g, GVJ_t *job, bool top, bool has_subgs, state_t *sp)
static void	freef (void *ident)
static int	lookup (Dt_t *map, char *name)
static void	insert (Dt_t *map, char *name, int v)
static int	label_subgs (Agraph_t *g, int lbl, Dt_t *map)
static void	json_end_graph (GVJ_t *job)

Variables
static Dtdisc_t	intDisc
gvrender_engine_t	json_engine
gvrender_features_t	render_features_json1
gvrender_features_t	render_features_json
gvdevice_features_t	device_features_json_nop
gvdevice_features_t	device_features_json
gvplugin_installed_t	gvrender_json_types []
gvplugin_installed_t	gvdevice_json_types []

Macro Definition Documentation

ED_gid

#define ED_gid

(

n

)

(((gvid_t*)aggetrec(n, ID, 0))->id)

Definition at line 54 of file gvrender_core_json.c.

GD_gid

#define GD_gid

(

n

)

(((gvid_t*)aggetrec(n, ID, 0))->id)

Definition at line 55 of file gvrender_core_json.c.

ID

#define ID   "id"

Definition at line 52 of file gvrender_core_json.c.

LOCALNAMEPREFIX

#define LOCALNAMEPREFIX   '%'

Definition at line 74 of file gvrender_core_json.c.

ND_gid

#define ND_gid

(

n

)

(((gvid_t*)aggetrec(n, ID, 0))->id)

Definition at line 53 of file gvrender_core_json.c.

Typedef Documentation

flushfn

typedef int(* flushfn) (void *chan)

Definition at line 712 of file gvrender_core_json.c.

putstrfn

typedef int(* putstrfn) (void *chan, const char *str)

Definition at line 711 of file gvrender_core_json.c.

Enumeration Type Documentation

format_type

enum format_type

Enumerator
FORMAT_JSON
FORMAT_JSON0
FORMAT_DOT_JSON
FORMAT_XDOT_JSON

Definition at line 34 of file gvrender_core_json.c.

Function Documentation

agseqasc()

static int agseqasc ( const void *  x, const void *  y  )

static

Definition at line 436 of file gvrender_core_json.c.

References AGSEQ.

Referenced by write_edges().

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freef()

static void freef ( void *  ident )

static

Definition at line 605 of file gvrender_core_json.c.

References free(), and intm::id.

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indent()

static void indent ( GVJ_t *  job, int  level  )

static

Definition at line 131 of file gvrender_core_json.c.

References gvputs().

Referenced by write_attrs(), write_edge(), write_edges(), write_graph(), write_hdr(), write_linear_grad(), write_node(), write_nodes(), write_radial_grad(), write_subgs(), write_xdot(), and write_xdots().

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insert()

static void insert ( Dt_t *  map, char *  name, int  v  )

static

Definition at line 627 of file gvrender_core_json.c.

References agwarningf(), dtinsert, dtmatch, gv_alloc(), gv_strdup(), intm::id, and intm::v.

Referenced by label_subgs().

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IS_CLUSTER()

static bool IS_CLUSTER ( Agraph_t *  s )

static

Definition at line 57 of file gvrender_core_json.c.

References agnameof(), and startswith().

Referenced by label_subgs().

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isXDot()

static bool isXDot ( const char *  name )

static

Definition at line 342 of file gvrender_core_json.c.

References streq().

Referenced by write_attrs().

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json_begin_graph()

static void json_begin_graph ( GVJ_t *  job )

static

Definition at line 61 of file gvrender_core_json.c.

References attach_attrs(), FORMAT_JSON, FORMAT_JSON0, GVC_s::g, obj_state_s::g, gvc, GVJ_s::gvc, gvCloneGVC(), gvFreeCloneGVC(), gvRender(), gvplugin_active_render_s::id, NULL, GVJ_s::obj, GVJ_s::render, and obj_state_s::u.

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json_end_graph()

static void json_end_graph ( GVJ_t *  job )

static

Definition at line 714 of file gvrender_core_json.c.

References Agiodisc_s::afread, AgIoDisc, CHAR_LATIN1, Agraph_s::clos, Agclos_s::disc, state_t::doXDot, Agiodisc_s::flush, FORMAT_JSON, FORMAT_XDOT_JSON, obj_state_s::g, GD_charset, gvflush(), gvputs(), gvplugin_active_render_s::id, Agdisc_s::io, state_t::isLatin, state_t::Level, NULL, GVJ_s::obj, Agiodisc_s::putstr, GVJ_s::render, set_attrwf(), obj_state_s::u, and write_graph().

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label_subgs()

static int label_subgs ( Agraph_t *  g, int  lbl, Dt_t *  map  )

static

Definition at line 642 of file gvrender_core_json.c.

References agfstsubg(), agnameof(), agnxtsubg(), agroot(), GD_gid, insert(), IS_CLUSTER(), label_subgs(), and lbl.

Referenced by label_subgs(), and write_graph().

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lookup()

static int lookup ( Dt_t *  map, char *  name  )

static

Definition at line 620 of file gvrender_core_json.c.

References dtmatch, and intm::v.

Referenced by write_graph().

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set_attrwf()

static void set_attrwf ( Agraph_t *  g, bool  toplevel, bool  value  )

static

Definition at line 138 of file gvrender_core_json.c.

References AGATTRWF, agfstnode(), agfstout(), agfstsubg(), agnxtnode(), agnxtout(), agnxtsubg(), and set_attrwf().

Referenced by json_end_graph(), and set_attrwf().

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stoj()

static void stoj ( char *  ins, state_t *  sp, GVJ_t *  job  )

static

Convert dot string to a valid json string embedded in double quotes and output

Parameters

ins	Input string
sp	State, used to determine encoding of the input string
job	Output job

Definition at line 83 of file gvrender_core_json.c.

References free(), gvputc(), gvputs(), ins(), state_t::isLatin, and latin1ToUTF8().

Referenced by write_attrs(), write_hdr(), write_node(), write_stops(), and write_xdot().

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write_attrs()

static void write_attrs ( Agobj_t *  obj, GVJ_t *  job, state_t *  sp  )

static

Definition at line 348 of file gvrender_core_json.c.

References agnxtattr(), agroot(), AGTYPE, agxget(), state_t::doXDot, gvputs(), indent(), isXDot(), state_t::Level, Agsym_s::name, NULL, stoj(), streq(), type, and write_xdots().

Referenced by write_edge(), write_graph(), and write_node().

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write_edge()

static void write_edge ( Agedge_t *  e, GVJ_t *  job, bool  top, state_t *  sp  )

static

Definition at line 463 of file gvrender_core_json.c.

References aghead, agtail, ED_gid, gvprintf(), gvputs(), indent(), state_t::Level, ND_gid, top(), and write_attrs().

Referenced by write_edges().

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write_edges()

static int write_edges ( Agraph_t *  g, GVJ_t *  job, bool  top, state_t *  sp  )

static

Definition at line 484 of file gvrender_core_json.c.

References agfstnode(), agfstout(), agnxtnode(), agnxtout(), agseqasc(), free(), gv_calloc(), gvputs(), indent(), state_t::Level, top(), and write_edge().

Referenced by write_graph().

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write_graph()

static void write_graph ( Agraph_t *  g, GVJ_t *  job, bool  top, state_t *  sp  )

static

Definition at line 658 of file gvrender_core_json.c.

References AGEDGE, agfstnode(), agfstout(), aginit(), agnameof(), AGNODE, agnxtnode(), agnxtout(), AGRAPH, dtclose(), dtopen(), Dtoset, ED_gid, GD_gid, gvprintf(), gvputs(), ID, indent(), intDisc, IS_CLUST_NODE, label_subgs(), state_t::Level, lookup(), ND_gid, top(), write_attrs(), write_edges(), write_hdr(), write_nodes(), and write_subgs().

Referenced by json_end_graph(), and write_subg().

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write_hdr()

static void write_hdr ( Agraph_t *  g, GVJ_t *  job, bool  top, state_t *  sp  )

static

Definition at line 370 of file gvrender_core_json.c.

References agisdirected(), agisstrict(), agnameof(), gvprintf(), gvputs(), indent(), state_t::Level, stoj(), and top().

Referenced by write_graph().

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write_linear_grad()

static void write_linear_grad ( GVJ_t *  job, xdot_linear_grad *  lg, state_t *  sp  )

static

Definition at line 194 of file gvrender_core_json.c.

References gvprintf(), indent(), state_t::Level, xdot_linear_grad::n_stops, xdot_linear_grad::stops, write_stops(), xdot_linear_grad::x0, xdot_linear_grad::x1, xdot_linear_grad::y0, and xdot_linear_grad::y1.

Referenced by write_xdot().

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write_node()

static void write_node ( Agnode_t *  n, GVJ_t *  job, bool  top, state_t *  sp  )

static

Definition at line 533 of file gvrender_core_json.c.

References agnameof(), gvprintf(), gvputs(), indent(), state_t::Level, ND_gid, stoj(), top(), and write_attrs().

Referenced by write_nodes().

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write_nodes()

static int write_nodes ( Agraph_t *  g, GVJ_t *  job, bool  top, bool  has_subgs, state_t *  sp  )

static

Definition at line 553 of file gvrender_core_json.c.

References agfstnode(), agnxtnode(), gvputs(), indent(), IS_CLUST_NODE, state_t::Level, top(), and write_node().

Referenced by write_graph().

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write_polyline()

static void write_polyline ( GVJ_t *  job, xdot_polyline *  polyline  )

static

Definition at line 157 of file gvrender_core_json.c.

References cnt(), xdot_polyline::cnt, gvprintf(), and xdot_polyline::pts.

Referenced by write_xdot().

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write_radial_grad()

static void write_radial_grad ( GVJ_t *  job, xdot_radial_grad *  rg, state_t *  sp  )

static

Definition at line 184 of file gvrender_core_json.c.

References gvprintf(), indent(), state_t::Level, xdot_radial_grad::n_stops, xdot_radial_grad::r0, xdot_radial_grad::r1, xdot_radial_grad::stops, write_stops(), xdot_radial_grad::x0, xdot_radial_grad::x1, xdot_radial_grad::y0, and xdot_radial_grad::y1.

Referenced by write_xdot().

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write_stops()

static void write_stops ( GVJ_t *  job, int  n_stops, xdot_color_stop *  stp, state_t *  sp  )

static

Definition at line 170 of file gvrender_core_json.c.

References color(), gvprintf(), gvputc(), and stoj().

Referenced by write_linear_grad(), and write_radial_grad().

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write_subg()

static void write_subg ( Agraph_t *  g, GVJ_t *  job, state_t *  sp  )

static

Definition at line 389 of file gvrender_core_json.c.

References agfstsubg(), agnxtsubg(), gvputs(), write_graph(), and write_subg().

Referenced by write_subg(), and write_subgs().

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write_subgs()

static bool write_subgs ( Agraph_t *  g, GVJ_t *  job, bool  top, state_t *  sp  )

static

write out subgraphs

Returns

True if the given graph has any subgraphs

Definition at line 403 of file gvrender_core_json.c.

References agfstsubg(), agnxtsubg(), GD_gid, gvprintf(), gvputs(), indent(), state_t::Level, top(), and write_subg().

Referenced by write_graph().

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write_xdot()

static void write_xdot ( xdot_op *  op, GVJ_t *  job, state_t *  sp  )

static

Definition at line 204 of file gvrender_core_json.c.

References xdot_text::align, _xdot_op::bezier, xdot_color::clr, _xdot_op::color, _xdot_op::ellipse, _xdot_op::font, _xdot_op::fontchar, _xdot_op::grad_color, gvprintf(), gvputc(), gvputs(), xdot_rect::h, indent(), _xdot_op::kind, state_t::Level, xdot_color::ling, xdot_font::name, _xdot_op::polygon, _xdot_op::polyline, xdot_color::ring, xdot_font::size, stoj(), _xdot_op::style, xdot_text::text, _xdot_op::text, xdot_color::type, xdot_color::u, _xdot_op::u, UNREACHABLE, xdot_rect::w, xdot_text::width, write_linear_grad(), write_polyline(), write_radial_grad(), xdot_rect::x, xdot_text::x, xd_center, 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_left, xd_linear, xd_none, xd_pen_color, xd_polyline, xd_style, xd_text, xd_unfilled_bezier, xd_unfilled_ellipse, xd_unfilled_polygon, xdot_rect::y, and xdot_text::y.

Referenced by write_xdots().

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write_xdots()

static void write_xdots ( char *  val, GVJ_t *  job, state_t *  sp  )

static

Definition at line 315 of file gvrender_core_json.c.

References agwarningf(), xdot::cnt, freeXDot(), gvputs(), indent(), state_t::Level, xdot::ops, parseXDot(), and write_xdot().

Referenced by write_attrs().

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Variable Documentation

device_features_json

gvdevice_features_t device_features_json

Initial value:

= {
    0,                          
    {0.,0.},                    
    {0.,0.},                    
    {72.,72.},                  
}

Definition at line 794 of file gvrender_core_json.c.

device_features_json_nop

gvdevice_features_t device_features_json_nop

Initial value:

= {
    LAYOUT_NOT_REQUIRED,        
    {0.,0.},                    
    {0.,0.},                    
    {72.,72.},                  
}

Definition at line 787 of file gvrender_core_json.c.

gvdevice_json_types

gvplugin_installed_t gvdevice_json_types[]

Initial value:

= {
    {FORMAT_JSON, "json:json", 1, NULL, &device_features_json},
    {FORMAT_JSON0, "json0:json", 1, NULL, &device_features_json},
    {FORMAT_DOT_JSON, "dot_json:json", 1, NULL, &device_features_json_nop},
    {FORMAT_XDOT_JSON, "xdot_json:json", 1, NULL, &device_features_json_nop},
    {0, NULL, 0, NULL, NULL}
}

Definition at line 809 of file gvrender_core_json.c.

gvrender_json_types

gvplugin_installed_t gvrender_json_types[]

Initial value:

= {
    {FORMAT_JSON, "json", 1, &json_engine, &render_features_json},
    {FORMAT_JSON0, "json0", 1, &json_engine, &render_features_json},
    {FORMAT_DOT_JSON, "dot_json", 1, &json_engine, &render_features_json},
    {FORMAT_XDOT_JSON, "xdot_json", 1, &json_engine, &render_features_json},
    {0, NULL, 0, NULL, NULL}
}

Definition at line 801 of file gvrender_core_json.c.

intDisc

Dtdisc_t intDisc

static

Initial value:

= {
    offsetof(intm, id),
    -1,
    offsetof(intm, link),
    (Dtmake_f) NULL,
    freef,
    (Dtcompar_f) NULL,
}

Definition at line 611 of file gvrender_core_json.c.

Referenced by write_graph().

json_engine

gvrender_engine_t json_engine

Definition at line 735 of file gvrender_core_json.c.

render_features_json

gvrender_features_t render_features_json

Initial value:

= {
    GVRENDER_DOES_TRANSFORM     
        | GVRENDER_DOES_MAPS
        | GVRENDER_DOES_TARGETS
        | GVRENDER_DOES_TOOLTIPS, 
    0.,                         
    NULL,                       
    0,                          
    COLOR_STRING,               
}

Definition at line 776 of file gvrender_core_json.c.

render_features_json1

gvrender_features_t render_features_json1

Initial value:

= {
    GVRENDER_DOES_TRANSFORM,      
    0.,                         
    NULL,                       
    0,                          
    COLOR_STRING,               
}

Definition at line 768 of file gvrender_core_json.c.