Graphviz: cmd/tools/gv2gxl.c File Reference

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DOT-GXL convert subroutines. More...

#include <cgraph/agxbuf.h>
#include <cgraph/alloc.h>
#include <cgraph/gv_ctype.h>
#include <cgraph/startswith.h>
#include <common/types.h>
#include <common/utils.h>
#include "convert.h"
#include <stdbool.h>
#include <stdio.h>
#include <stdlib.h>

Include dependency graph for gv2gxl.c:

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Data Structures
struct	Local_Agnodeinfo_t

struct	namev_t

struct	idv_t

struct	gxlstate_t

Macros
#define	EMPTY(s) ((s == 0) \|\| (*s == '\0'))

#define	SLEN(s) (sizeof(s)-1)

#define	GXL_ATTR "_gxl_"

#define	GXL_ROLE "_gxl_role"

#define	GXL_HYPER "_gxl_hypergraph"

#define	GXL_ID "_gxl_id"

#define	GXL_FROM "_gxl_fromorder"

#define	GXL_TO "_gxl_toorder"

#define	GXL_TYPE "_gxl_type"

#define	GXL_COMP "_gxl_composite_"

#define	GXL_LOC "_gxl_locator_"

#define	GXL_COMP_LEN (SLEN(GXL_COMP))

#define	EDGEOP "--" /* cannot use '>'; illegal in ID in GXL */

#define	writeval(n) (((Local_Agnodeinfo_t*)((n)->base.data))->written)

Functions
static namev_t *	make_nitem (namev_t objp, Dtdisc_t disc)

static void	free_iditem (void *idv)

static void	writeBody (gxlstate_t , Agraph_t g, FILE *gxlFile)

static void	iterateBody (gxlstate_t stp, Agraph_t g)

static void	tabover (FILE *gxlFile)

static bool	legalGXLName (const char *id)

static int	put (void stream, const char s)

static int	xml_puts (FILE stream, const char s)

static int	xml_url_puts (FILE f, const char s)

static bool	isGxlGrammar (const char *name)

static bool	isLocatorType (const char *name)

static bool	idexists (Dt_t ids, char id)

static char *	addid (Dt_t ids, const char id)

static char *	createGraphId (Dt_t *ids)

static char *	createNodeId (Dt_t *ids)

static char *	mapLookup (Dt_t nm, char name)

static char *	nodeID (gxlstate_t stp, Agnode_t n)

static char *	createEdgeId (gxlstate_t stp, Agedge_t e)

static void	addToMap (Dt_t map, char name, char *uniqueName)

static void	graphAttrs (FILE gxlFile, Agraph_t g)

static void	edgeAttrs (FILE gxlFile, Agedge_t e)

static void	printHref (FILE gxlFile, void n)

static void	writeDict (FILE gxlFile, const char name, Dict_t *dict, bool isGraph)

static void	writeDicts (Agraph_t g, FILE gxlFile)

static void	writeHdr (gxlstate_t stp, Agraph_t g, FILE *gxlFile, bool top)

static void	writeTrl (Agraph_t g, FILE gxlFile, bool top)

static void	writeSubgs (gxlstate_t stp, Agraph_t g, FILE *gxlFile)

static void	writeEdgeName (Agedge_t e, FILE gxlFile)

static void	writeNondefaultAttr (void obj, FILE gxlFile, Dict_t *defdict)

static bool	attrs_written (gxlstate_t stp, void obj)

static void	writeNode (gxlstate_t stp, Agnode_t n, FILE gxlFile, Dict_t d)

static void	writePort (Agedge_t e, FILE gxlFile, char *name)

static bool	writeEdgeTest (Agraph_t g, Agedge_t e)

static void	writeEdge (gxlstate_t stp, Agedge_t e, FILE gxlFile, Dict_t d)

static void	iterateHdr (gxlstate_t stp, Agraph_t g)

static void	iterate_subgs (gxlstate_t stp, Agraph_t g)

static gxlstate_t	initState (Agraph_t *g)

static void	freeState (gxlstate_t stp)

void	gv_to_gxl (Agraph_t g, FILE gxlFile)

Variables
static int	Level

static Agsym_t *	Tailport

static Agsym_t *	Headport

static Dtdisc_t	nameDisc

static Dtdisc_t	idDisc

Macro Definition Documentation

◆ EDGEOP

#define EDGEOP "--" /* cannot use '>'; illegal in ID in GXL */

Definition at line 220 of file gv2gxl.c.

◆ EMPTY

#define EMPTY ( s ) ((s == 0) || (*s == '\0'))

Definition at line 27 of file gv2gxl.c.

◆ GXL_ATTR

#define GXL_ATTR "_gxl_"

Definition at line 30 of file gv2gxl.c.

◆ GXL_COMP

#define GXL_COMP "_gxl_composite_"

Definition at line 37 of file gv2gxl.c.

◆ GXL_COMP_LEN

#define GXL_COMP_LEN (SLEN(GXL_COMP))

Definition at line 40 of file gv2gxl.c.

◆ GXL_FROM

#define GXL_FROM "_gxl_fromorder"

Definition at line 34 of file gv2gxl.c.

◆ GXL_HYPER

#define GXL_HYPER "_gxl_hypergraph"

Definition at line 32 of file gv2gxl.c.

◆ GXL_ID

#define GXL_ID "_gxl_id"

Definition at line 33 of file gv2gxl.c.

◆ GXL_LOC

#define GXL_LOC "_gxl_locator_"

Definition at line 38 of file gv2gxl.c.

◆ GXL_ROLE

#define GXL_ROLE "_gxl_role"

Definition at line 31 of file gv2gxl.c.

◆ GXL_TO

#define GXL_TO "_gxl_toorder"

Definition at line 35 of file gv2gxl.c.

◆ GXL_TYPE

#define GXL_TYPE "_gxl_type"

Definition at line 36 of file gv2gxl.c.

◆ SLEN

#define SLEN ( s ) (sizeof(s)-1)

Definition at line 28 of file gv2gxl.c.

◆ writeval

#define writeval ( n ) (((Local_Agnodeinfo_t*)((n)->base.data))->written)

Definition at line 671 of file gv2gxl.c.

Function Documentation

◆ addid()

static char * addid	(	Dt_t *	ids,
		const char *	id
	)

static

Definition at line 163 of file gv2gxl.c.

References dtinsert, gv_alloc(), gv_strdup(), and idv_t::name.

Referenced by createEdgeId(), createGraphId(), createNodeId(), iterateBody(), iterateHdr(), and writeHdr().

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◆ addToMap()

static void addToMap	(	Dt_t *	map,
		char *	name,
		char *	uniqueName
	)

static

Definition at line 242 of file gv2gxl.c.

References dtinsert, namev_t::name, NULL, and namev_t::unique_name.

Referenced by iterateBody(), iterateHdr(), and writeHdr().

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◆ attrs_written()

static bool attrs_written	(	gxlstate_t *	stp,
		void *	obj
	)

static

Definition at line 572 of file gv2gxl.c.

References AGATTRWF, and gxlstate_t::attrsNotWritten.

Referenced by writeEdge(), and writeNode().

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◆ createEdgeId()

static char * createEdgeId	(	gxlstate_t *	stp,
		Agedge_t *	e
	)

static

Definition at line 222 of file gv2gxl.c.

References addid(), AGHEAD, AGTAIL, agxbfree(), agxbprint(), agxbuse(), EDGEOP, idexists(), gxlstate_t::idList, and nodeID().

Referenced by writeEdge().

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◆ createGraphId()

static char * createGraphId ( Dt_t * ids )

static

Definition at line 171 of file gv2gxl.c.

References addid(), agxbfree(), agxbprint(), agxbuse(), and idexists().

Referenced by iterateHdr().

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◆ createNodeId()

static char * createNodeId ( Dt_t * ids )

static

Definition at line 186 of file gv2gxl.c.

References addid(), agxbfree(), agxbprint(), agxbuse(), and idexists().

Referenced by iterateBody(), and writeHdr().

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◆ edgeAttrs()

static void edgeAttrs	(	FILE *	gxlFile,
		Agedge_t *	e
	)

static

Definition at line 266 of file gv2gxl.c.

References agget(), EMPTY, GXL_FROM, GXL_ID, GXL_TO, and xml_puts().

Referenced by writeEdge().

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◆ free_iditem()

static void free_iditem ( void * idv )

static

Definition at line 79 of file gv2gxl.c.

References free(), and idv_t::name.

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◆ freeState()

static void freeState ( gxlstate_t stp )

static

Definition at line 753 of file gv2gxl.c.

References dtclose(), gxlstate_t::graphMap, gxlstate_t::idList, gxlstate_t::nodeMap, and gxlstate_t::synNodeMap.

Referenced by gv_to_gxl().

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◆ graphAttrs()

static void graphAttrs	(	FILE *	gxlFile,
		Agraph_t *	g
	)

static

Definition at line 250 of file gv2gxl.c.

References agget(), EMPTY, GXL_HYPER, GXL_ROLE, and xml_puts().

Referenced by writeHdr().

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◆ gv_to_gxl()

void gv_to_gxl	(	Agraph_t *	g,
		FILE *	gxlFile
	)

Definition at line 760 of file gv2gxl.c.

References aginit(), AGNODE, freeState(), initState(), iterateBody(), iterateHdr(), Level, writeBody(), writeHdr(), and writeTrl().

Referenced by main().

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◆ idexists()

static bool idexists	(	Dt_t *	ids,
		char *	id
	)

static

Definition at line 156 of file gv2gxl.c.

References dtmatch, and NULL.

Referenced by createEdgeId(), createGraphId(), createNodeId(), iterateBody(), iterateHdr(), and writeHdr().

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◆ initState()

static gxlstate_t initState ( Agraph_t * g )

static

Definition at line 741 of file gv2gxl.c.

References agisdirected(), gxlstate_t::attrsNotWritten, gxlstate_t::directed, dtopen(), Dtoset, gxlstate_t::graphMap, idDisc, gxlstate_t::idList, nameDisc, gxlstate_t::nodeMap, gxlstate_t::root, and gxlstate_t::synNodeMap.

Referenced by gv_to_gxl().

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◆ isGxlGrammar()

static bool isGxlGrammar ( const char * name )

static

Definition at line 148 of file gv2gxl.c.

References GXL_ATTR, and startswith().

Referenced by writeDict(), and writeNondefaultAttr().

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◆ isLocatorType()

static bool isLocatorType ( const char * name )

static

Definition at line 152 of file gv2gxl.c.

References GXL_LOC, and startswith().

Referenced by writeDict(), and writeNondefaultAttr().

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◆ iterate_subgs()

static void iterate_subgs	(	gxlstate_t *	stp,
		Agraph_t *	g
	)

static

Definition at line 705 of file gv2gxl.c.

References agfstsubg(), agnxtsubg(), iterateBody(), and iterateHdr().

Referenced by iterateBody().

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◆ iterateBody()

static void iterateBody	(	gxlstate_t *	stp,
		Agraph_t *	g
	)

static

Definition at line 714 of file gv2gxl.c.

References addid(), addToMap(), agfstnode(), agfstout(), agget(), agnameof(), agnxtnode(), agnxtout(), createNodeId(), EMPTY, GXL_ID, idexists(), gxlstate_t::idList, iterate_subgs(), legalGXLName(), mapLookup(), gxlstate_t::nodeMap, and writeEdgeTest().

Referenced by gv_to_gxl(), and iterate_subgs().

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◆ iterateHdr()

static void iterateHdr	(	gxlstate_t *	stp,
		Agraph_t *	g
	)

static

Definition at line 691 of file gv2gxl.c.

References addid(), addToMap(), agget(), agnameof(), createGraphId(), EMPTY, gxlstate_t::graphMap, GXL_ID, idexists(), gxlstate_t::idList, and legalGXLName().

Referenced by gv_to_gxl(), and iterate_subgs().

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◆ legalGXLName()

static bool legalGXLName ( const char * id )

static

Definition at line 119 of file gv2gxl.c.

References gv_isalnum(), and gv_isalpha().

Referenced by iterateBody(), iterateHdr(), and writeHdr().

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◆ make_nitem()

static namev_t * make_nitem	(	namev_t *	objp,
		Dtdisc_t *	disc
	)

static

Definition at line 56 of file gv2gxl.c.

References gv_alloc(), namev_t::name, and namev_t::unique_name.

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◆ mapLookup()

static char * mapLookup	(	Dt_t *	nm,
		char *	name
	)

static

Definition at line 201 of file gv2gxl.c.

References dtmatch, NULL, and namev_t::unique_name.

Referenced by iterateBody(), nodeID(), and writeHdr().

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◆ nodeID()

static char * nodeID	(	gxlstate_t *	stp,
		Agnode_t *	n
	)

static

Definition at line 212 of file gv2gxl.c.

References agnameof(), mapLookup(), and gxlstate_t::nodeMap.

Referenced by createEdgeId(), writeEdge(), and writeNode().

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◆ printHref()

static void printHref	(	FILE *	gxlFile,
		void *	n
	)

static

Definition at line 289 of file gv2gxl.c.

References agget(), EMPTY, GXL_TYPE, tabover(), and xml_url_puts().

Referenced by writeEdge(), writeHdr(), and writeNode().

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◆ put()

static int put	(	void *	stream,
		const char *	s
	)

inlinestatic

Definition at line 132 of file gv2gxl.c.

Referenced by xml_puts(), and xml_url_puts().

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◆ tabover()

static void tabover ( FILE * gxlFile )

static

Definition at line 107 of file gv2gxl.c.

References Level.

Referenced by printHref(), writeDict(), writeEdge(), writeEdgeName(), writeHdr(), writeNode(), writeNondefaultAttr(), writePort(), and writeTrl().

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◆ writeBody()

static void writeBody	(	gxlstate_t *	stp,
		Agraph_t *	g,
		FILE *	gxlFile
	)

static

Definition at line 673 of file gv2gxl.c.

References agdatadict(), agfstnode(), agfstout(), AGID, agidnode(), agnxtnode(), agnxtout(), Agdatadict_s::dict, Agdatadict_s::e, Agdatadict_s::n, gxlstate_t::root, writeEdge(), writeEdgeTest(), writeNode(), writeSubgs(), and writeval.

Referenced by gv_to_gxl(), and writeSubgs().

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◆ writeDict()

static void writeDict	(	FILE *	gxlFile,
		const char *	name,
		Dict_t *	dict,
		bool	isGraph
	)

static

Definition at line 304 of file gv2gxl.c.

References Agsym_s::defval, dtfirst, dtnext, dtsearch, dtview(), EMPTY, GXL_COMP, GXL_COMP_LEN, GXL_LOC, isGxlGrammar(), isLocatorType(), NULL, startswith(), tabover(), view, xml_puts(), and xml_url_puts().

Referenced by writeDicts().

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◆ writeDicts()

static void writeDicts	(	Agraph_t *	g,
		FILE *	gxlFile
	)

static

Definition at line 386 of file gv2gxl.c.

References agdatadict(), Agdatadict_s::dict, Agdatadict_s::e, Agdatadict_s::g, Agdatadict_s::n, and writeDict().

Referenced by writeHdr().

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◆ writeEdge()

static void writeEdge	(	gxlstate_t *	stp,
		Agedge_t *	e,
		FILE *	gxlFile,
		Dict_t *	d
	)

static

Definition at line 632 of file gv2gxl.c.

References agget(), AGHEAD, AGTAIL, attrs_written(), createEdgeId(), gxlstate_t::directed, edgeAttrs(), EMPTY, GXL_ID, Level, nodeID(), printHref(), tabover(), writeEdgeName(), writeNondefaultAttr(), and writePort().

Referenced by writeBody().

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◆ writeEdgeName()

static void writeEdgeName	(	Agedge_t *	e,
		FILE *	gxlFile
	)

static

Definition at line 482 of file gv2gxl.c.

References agnameof(), EMPTY, tabover(), and xml_puts().

Referenced by writeEdge(), and writeNondefaultAttr().

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◆ writeEdgeTest()

static bool writeEdgeTest	(	Agraph_t *	g,
		Agedge_t *	e
	)

static

Definition at line 622 of file gv2gxl.c.

References agfstsubg(), agnxtsubg(), and agsubedge().

Referenced by iterateBody(), and writeBody().

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◆ writeHdr()

static void writeHdr	(	gxlstate_t *	stp,
		Agraph_t *	g,
		FILE *	gxlFile,
		bool	top
	)

static

Definition at line 396 of file gv2gxl.c.

References addid(), addToMap(), agattr(), AGATTRWF, AGEDGE, agisstrict(), agnameof(), agparent(), agxbfree(), agxbprint(), agxbuse(), gxlstate_t::attrsNotWritten, createNodeId(), Agraph_s::desc, Agdesc_s::directed, graphAttrs(), gxlstate_t::graphMap, Headport, idexists(), gxlstate_t::idList, kind, legalGXLName(), Level, mapLookup(), NULL, printHref(), gxlstate_t::synNodeMap, tabover(), Tailport, top(), writeDicts(), and xml_puts().

Referenced by gv_to_gxl(), and writeSubgs().

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◆ writeNode()

static void writeNode	(	gxlstate_t *	stp,
		Agnode_t *	n,
		FILE *	gxlFile,
		Dict_t *	d
	)

static

Definition at line 577 of file gv2gxl.c.

References agnameof(), attrs_written(), Level, nodeID(), printHref(), tabover(), writeNondefaultAttr(), and xml_puts().

Referenced by writeBody().

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◆ writeNondefaultAttr()

static void writeNondefaultAttr	(	void *	obj,
		FILE *	gxlFile,
		Dict_t *	defdict
	)

static

Definition at line 498 of file gv2gxl.c.

References agattrrec(), AGATTRWF, aghtmlstr(), AGINEDGE, AGOUTEDGE, AGTYPE, dtfirst, dtnext, GXL_COMP, GXL_COMP_LEN, GXL_LOC, Headport, Agsym_s::id, isGxlGrammar(), isLocatorType(), startswith(), tabover(), Tailport, writeEdgeName(), xml_puts(), and xml_url_puts().

Referenced by writeEdge(), and writeNode().

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◆ writePort()

static void writePort	(	Agedge_t *	e,
		FILE *	gxlFile,
		char *	name
	)

static

Definition at line 605 of file gv2gxl.c.

References agget(), tabover(), and xml_puts().

Referenced by writeEdge().

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◆ writeSubgs()

static void writeSubgs	(	gxlstate_t *	stp,
		Agraph_t *	g,
		FILE *	gxlFile
	)

static

Definition at line 473 of file gv2gxl.c.

References agfstsubg(), agnxtsubg(), writeBody(), writeHdr(), and writeTrl().

Referenced by writeBody().

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◆ writeTrl()

static void writeTrl	(	Agraph_t *	g,
		FILE *	gxlFile,
		bool	top
	)

static

Definition at line 461 of file gv2gxl.c.

References agparent(), Level, tabover(), and top().

Referenced by gv_to_gxl(), and writeSubgs().

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◆ xml_puts()

static int xml_puts	(	FILE *	stream,
		const char *	s
	)

inlinestatic

Definition at line 137 of file gv2gxl.c.

References xml_flags_t::dash, flags, put(), and xml_escape().

Referenced by edgeAttrs(), graphAttrs(), writeDict(), writeEdgeName(), writeHdr(), writeNode(), writeNondefaultAttr(), and writePort().

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◆ xml_url_puts()

static int xml_url_puts	(	FILE *	f,
		const char *	s
	)

static

Definition at line 143 of file gv2gxl.c.

References flags, put(), and xml_escape().

Referenced by printHref(), writeDict(), and writeNondefaultAttr().

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Variable Documentation

◆ Headport

Agsym_t * Headport

static

Definition at line 48 of file gv2gxl.c.

Referenced by writeHdr(), and writeNondefaultAttr().

◆ idDisc

Dtdisc_t idDisc

static

Initial value:

= {
    offsetof(idv_t, name),
    -1,
    offsetof(idv_t, link),
    NULL,
    free_iditem,
    NULL,
}

Definition at line 85 of file gv2gxl.c.

Referenced by initState().

◆ Level

int Level

static

Definition at line 47 of file gv2gxl.c.

Referenced by gv_to_gxl(), tabover(), writeEdge(), writeHdr(), writeNode(), and writeTrl().

◆ nameDisc

Dtdisc_t nameDisc

static

Initial value:

= {
    offsetof(namev_t, name),
    -1,
    offsetof(namev_t, link),
    (Dtmake_f) make_nitem,
    free,
    NULL,
}

Definition at line 65 of file gv2gxl.c.

Referenced by initState().

◆ Tailport

Agsym_t* Tailport

static

Definition at line 48 of file gv2gxl.c.

Referenced by writeHdr(), and writeNondefaultAttr().

Data Structures

Macros

Functions

Variables

Macro Definition Documentation

◆ EDGEOP

◆ EMPTY

◆ GXL_ATTR

◆ GXL_COMP

◆ GXL_COMP_LEN

◆ GXL_FROM

◆ GXL_HYPER

◆ GXL_ID

◆ GXL_LOC

◆ GXL_ROLE

◆ GXL_TO

◆ GXL_TYPE

◆ SLEN

◆ writeval

Function Documentation

◆ addid()

◆ addToMap()

◆ attrs_written()

◆ createEdgeId()

◆ createGraphId()

◆ createNodeId()

◆ edgeAttrs()

◆ free_iditem()

◆ freeState()

◆ graphAttrs()

◆ gv_to_gxl()

◆ idexists()

◆ initState()

◆ isGxlGrammar()

◆ isLocatorType()

◆ iterate_subgs()

◆ iterateBody()

◆ iterateHdr()

◆ legalGXLName()

◆ make_nitem()

◆ mapLookup()

◆ nodeID()

◆ printHref()

◆ put()

◆ tabover()

◆ writeBody()

◆ writeDict()

◆ writeDicts()

◆ writeEdge()

◆ writeEdgeName()

◆ writeEdgeTest()

◆ writeHdr()

◆ writeNode()

◆ writeNondefaultAttr()

◆ writePort()

◆ writeSubgs()

◆ writeTrl()

◆ xml_puts()

◆ xml_url_puts()

Variable Documentation

◆ Headport

◆ idDisc

◆ Level

◆ nameDisc

◆ Tailport