Graphviz: lib/cgraph/attr.c File Reference

Searching...

No Matches

implementation of dynamic attributes More...

#include <cgraph/cghdr.h>
#include <stdbool.h>
#include <stdlib.h>
#include <util/alloc.h>
#include <util/streq.h>
#include <util/unreachable.h>

Include dependency graph for attr.c:

Go to the source code of this file.

Functions
static void	freesym (void *obj)

static void	init_all_attrs (Agraph_t *g)

Agdatadict_t *	agdatadict (Agraph_t *g, bool cflag)

static Dict_t *	agdictof (Agraph_t *g, int kind)

static Agsym_t *	agnewsym (Agraph_t g, const char name, const char *value, bool is_html, int id, int kind)

static void	agcopydict (Dict_t src, Dict_t dest, Agraph_t *g, int kind)

static Agdatadict_t *	agmakedatadict (Agraph_t *g)

static Agsym_t *	agdictsym (Dict_t dict, char name)

static Agsym_t *	aglocaldictsym (Dict_t dict, char name)

Agsym_t *	agattrsym (void obj, char name)
	looks up a string attribute for a graph object given as an argument

static int	topdictsize (Agobj_t *obj)

static Agrec_t *	agmakeattrs (Agraph_t context, void obj)

static void	freeattr (Agobj_t obj, Agattr_t attr)

Agattr_t *	agattrrec (void *obj)

static void	addattr (Agraph_t g, Agobj_t obj, void *symbol)

static Agsym_t *	getattr (Agraph_t g, int kind, char name)

static void	unviewsubgraphsattr (Agraph_t parent, char name)

static int	agxset_ (void obj, Agsym_t sym, const char *value, bool is_html)

static Agsym_t *	setattr (Agraph_t g, int kind, char name, const char *value, bool is_html)

static Agsym_t *	agattr_ (Agraph_t g, int kind, char name, const char *value, bool is_html)

Agsym_t *	agattr_text (Agraph_t g, int kind, char name, const char *value)
	creates or looks up text attributes of a graph

Agsym_t *	agattr_html (Agraph_t g, int kind, char name, const char *value)
	`agattr_text`, but creates HTML-like values

Agsym_t *	agattr (Agraph_t g, int kind, char name, const char *value)
	creates or looks up an attribute, without specifying desired form

Agsym_t *	agnxtattr (Agraph_t g, int kind, Agsym_t attr)
	permits traversing the list of attributes of a given type

void	agraphattr_init (Agraph_t *g)

int	agraphattr_delete (Agraph_t *g)

void	agnodeattr_init (Agraph_t g, Agnode_t n)

void	agnodeattr_delete (Agnode_t *n)

void	agedgeattr_init (Agraph_t g, Agedge_t e)

void	agedgeattr_delete (Agedge_t *e)

char *	agget (void obj, char name)

char *	agxget (void obj, Agsym_t sym)

static int	agset_ (void obj, char name, const char *value, bool is_html)

int	agset (void obj, char name, const char *value)

int	agset_text (void obj, char name, const char *value)

int	agset_html (void obj, char name, const char *value)

int	agxset (void obj, Agsym_t sym, const char *value)

int	agxset_text (void obj, Agsym_t sym, const char *value)

int	agxset_html (void obj, Agsym_t sym, const char *value)

int	agsafeset_text (void obj, char name, const char value, const char def)
	set an attribute’s value and default, ensuring it is declared before setting it locally

int	agsafeset_html (void obj, char name, const char value, const char def)
	set an attribute’s value and default, ensuring it is declared before setting it locally

int	agsafeset (void obj, char name, const char value, const char def)
	set an attribute’s value and default, ensuring it is declared before setting it locally

static void	agraphattr_init_wrapper (Agraph_t g, Agobj_t ignored1, void *ignored2)

int	agcopyattr (void oldobj, void newobj)
	copies all of the attributes from one object to another

Variables
Dtdisc_t	AgDataDictDisc

static char	DataDictName [] = "_AG_datadict"

static Agdesc_t	ProtoDesc

static Agraph_t *	ProtoGraph

const char	AgDataRecName [] = "_AG_strdata"

Function Documentation

◆ addattr()

static void addattr	(	Agraph_t *	g,
		Agobj_t *	obj,
		void *	symbol
	)

static

Definition at line 211 of file attr.c.

References agattrrec(), aghtmlstr(), agstrdup(), agstrdup_html(), Agsym_s::defval, gv_recalloc(), Agsym_s::id, NULL, and Agattr_s::str.

Referenced by setattr().

Here is the call graph for this function:

Here is the caller graph for this function:

◆ agattr_()

static Agsym_t * agattr_	(	Agraph_t *	g,
		int	kind,
		char *	name,
		const char *	value,
		bool	is_html
	)

static

Definition at line 318 of file attr.c.

References agopen(), getattr(), NULL, ProtoDesc, ProtoGraph, and setattr().

Referenced by agattr_html(), and agattr_text().

Here is the call graph for this function:

Here is the caller graph for this function:

◆ agcopydict()

static void agcopydict	(	Dict_t *	src,
		Dict_t *	dest,
		Agraph_t *	g,
		int	kind
	)

static

Definition at line 87 of file attr.c.

References aghtmlstr(), agnewsym(), dtfirst, dtinsert, dtnext, dtsize(), Agsym_s::fixed, and Agsym_s::print.

Referenced by agmakedatadict().

Here is the call graph for this function:

Here is the caller graph for this function:

◆ agdictof()

static Dict_t * agdictof	(	Agraph_t *	g,
		int	kind
	)

static

Definition at line 56 of file attr.c.

References agdatadict(), agerrorf(), AGINEDGE, AGNODE, AGOUTEDGE, AGRAPH, Agdatadict_s::dict, Agdatadict_s::e, Agdatadict_s::g, Agdatadict_s::n, and NULL.

Referenced by agmakeattrs(), agnxtattr(), getattr(), setattr(), and topdictsize().

Here is the call graph for this function:

Here is the caller graph for this function:

◆ agdictsym()

static Agsym_t * agdictsym	(	Dict_t *	dict,
		char *	name
	)

static

Definition at line 129 of file attr.c.

References dtsearch, and Agsym_s::name.

Referenced by agattrsym(), aglocaldictsym(), getattr(), and setattr().

Here is the caller graph for this function:

◆ aglocaldictsym()

static Agsym_t * aglocaldictsym	(	Dict_t *	dict,
		char *	name
	)

static

Definition at line 136 of file attr.c.

References agdictsym(), dtview(), NULL, and view.

Referenced by agxset_(), setattr(), and unviewsubgraphsattr().

Here is the call graph for this function:

Here is the caller graph for this function:

◆ agmakeattrs()

static Agrec_t * agmakeattrs	(	Agraph_t *	context,
		void *	obj
	)

static

Definition at line 163 of file attr.c.

References agbindrec(), AgDataRecName, agdictof(), aghtmlstr(), agraphof(), agroot(), agstrdup(), agstrdup_html(), AGTYPE, Agattr_s::dict, dtfirst, dtnext, gv_calloc(), Agattr_s::h, NULL, Agattr_s::str, and topdictsize().

Referenced by agedgeattr_init(), agnodeattr_init(), and agraphattr_init().

Here is the call graph for this function:

Here is the caller graph for this function:

◆ agmakedatadict()

static Agdatadict_t * agmakedatadict ( Agraph_t * g )

static

Definition at line 100 of file attr.c.

References agbindrec(), agcopydict(), agdatadict(), AgDataDictDisc, agdtopen(), AGEDGE, AGNODE, agparent(), AGRAPH, DataDictName, Agdatadict_s::dict, Dttree, dtview(), Agdatadict_s::e, Agdatadict_s::g, Agdatadict_s::n, and ProtoGraph.

Referenced by agraphattr_init().

Here is the call graph for this function:

Here is the caller graph for this function:

◆ agnewsym()

static Agsym_t * agnewsym	(	Agraph_t *	g,
		const char *	name,
		const char *	value,
		bool	is_html,
		int	id,
		int	kind
	)

static

Parameters

is_html Is value an HTML-like string?

Definition at line 76 of file attr.c.

References agstrdup(), agstrdup_html(), Agsym_s::defval, gv_alloc(), id, Agsym_s::id, Agsym_s::kind, Agsym_s::name, and Agsym_s::owner.

Referenced by agcopydict(), agxset_(), setattr(), and unviewsubgraphsattr().

Here is the call graph for this function:

Here is the caller graph for this function:

◆ agraphattr_init_wrapper()

static void agraphattr_init_wrapper	(	Agraph_t *	g,
		Agobj_t *	ignored1,
		void *	ignored2
	)

static

Definition at line 600 of file attr.c.

References agraphattr_init().

Referenced by init_all_attrs().

Here is the call graph for this function:

Here is the caller graph for this function:

◆ agset_()

static int agset_	(	void *	obj,
		char *	name,
		const char *	value,
		bool	is_html
	)

static

Definition at line 465 of file attr.c.

References agattrsym(), agxset_html(), agxset_text(), FAILURE, and NULL.

Referenced by agset_html(), and agset_text().

Here is the call graph for this function:

Here is the caller graph for this function:

◆ agxset_()

static int agxset_	(	void *	obj,
		Agsym_t *	sym,
		const char *	value,
		bool	is_html
	)

static

Definition at line 498 of file attr.c.

References agattrrec(), agdatadict(), aghtmlstr(), aglocaldictsym(), agmethod_upd(), agnewsym(), AGRAPH, agraphof(), agstrdup(), agstrdup_html(), agstrfree(), AGTYPE, Agsym_s::defval, Agdatadict_s::dict, dtinsert, Agdatadict_s::g, Agsym_s::id, Agsym_s::name, Agtag_s::objtype, Agattr_s::str, SUCCESS, Agobj_s::tag, and topdictsize().

Referenced by agxset_html(), agxset_text(), and setattr().

Here is the call graph for this function:

Here is the caller graph for this function:

◆ freeattr()

static void freeattr	(	Agobj_t *	obj,
		Agattr_t *	attr
	)

static

Definition at line 187 of file attr.c.

References aghtmlstr(), agraphof(), agstrfree(), free(), Agattr_s::str, and topdictsize().

Referenced by agedgeattr_delete(), agnodeattr_delete(), and agraphattr_delete().

Here is the call graph for this function:

Here is the caller graph for this function:

◆ freesym()

static void freesym ( void * obj )

static

Definition at line 199 of file attr.c.

References aghtmlstr(), agstrfree(), Agsym_s::defval, free(), Agsym_s::name, and Agsym_s::owner.

Here is the call graph for this function:

◆ getattr()

static Agsym_t * getattr	(	Agraph_t *	g,
		int	kind,
		char *	name
	)

static

Definition at line 224 of file attr.c.

References agdictof(), and agdictsym().

Referenced by agattr_(), and unviewsubgraphsattr().

Here is the call graph for this function:

Here is the caller graph for this function:

◆ init_all_attrs()

static void init_all_attrs ( Agraph_t * g )

static

Definition at line 613 of file attr.c.

References agapply(), agedgeattr_init(), agfstnode(), agfstout(), agnodeattr_init(), agnxtnode(), agnxtout(), agraphattr_init_wrapper(), agroot(), Agraph_s::base, and NULL.

Referenced by agdatadict().

Here is the call graph for this function:

Here is the caller graph for this function:

◆ setattr()

static Agsym_t * setattr	(	Agraph_t *	g,
		int	kind,
		char *	name,
		const char *	value,
		bool	is_html
	)

static

Parameters

is_html Is value an HTML-like string?

Definition at line 258 of file attr.c.

References addattr(), agapply(), agdatadict(), agdictof(), agdictsym(), agfstnode(), agfstout(), aghtmlstr(), AGINEDGE, aglocaldictsym(), agmethod_upd(), agnewsym(), AGNODE, agnxtnode(), agnxtout(), AGOUTEDGE, AGRAPH, agroot(), agstrdup(), agstrdup_html(), agstrfree(), agwarningf(), agxset_(), Agraph_s::base, Agsym_s::defval, dtinsert, dtsize(), Agsym_s::id, streq(), UNREACHABLE, and unviewsubgraphsattr().

Referenced by agattr_().

Here is the call graph for this function:

Here is the caller graph for this function:

◆ topdictsize()

static int topdictsize ( Agobj_t * obj )

static

Definition at line 156 of file attr.c.

References agdictof(), agraphof(), agroot(), AGTYPE, and dtsize().

Referenced by agmakeattrs(), agxget(), agxset_(), and freeattr().

Here is the call graph for this function:

Here is the caller graph for this function:

◆ unviewsubgraphsattr()

static void unviewsubgraphsattr	(	Agraph_t *	parent,
		char *	name
	)

static

Definition at line 233 of file attr.c.

References agdatadict(), agfstsubg(), aghtmlstr(), aglocaldictsym(), agnewsym(), agnxtsubg(), AGRAPH, agroot(), agxget(), Agdatadict_s::dict, dtinsert, Agdatadict_s::g, getattr(), Agsym_s::id, and parent.

Referenced by setattr().

Here is the call graph for this function:

Here is the caller graph for this function:

Variable Documentation

◆ AgDataDictDisc

Dtdisc_t AgDataDictDisc

Initial value:

= {
    (int) offsetof(Agsym_t, name),      
    -1,
    (int) offsetof(Agsym_t, link),
    NULL,
    freesym,
    NULL,
}

Definition at line 32 of file attr.c.

Referenced by agmakedatadict().

◆ AgDataRecName

const char AgDataRecName[] = "_AG_strdata"

Definition at line 154 of file attr.c.

Referenced by agattrrec(), agedgeattr_delete(), agmakeattrs(), agnodeattr_delete(), newedge(), and newnode().

◆ DataDictName

char DataDictName[] = "_AG_datadict"

static

Definition at line 41 of file attr.c.

Referenced by agdatadict(), and agmakedatadict().

◆ ProtoDesc

Agdesc_t ProtoDesc

static

Initial value:

= {.directed = true, .no_loop = true,

.no_write = true}

Definition at line 43 of file attr.c.

Referenced by agattr(), and agattr_().

◆ ProtoGraph

Agraph_t* ProtoGraph

static

Definition at line 45 of file attr.c.

Referenced by agattr(), agattr_(), and agmakedatadict().

Functions

Variables

Function Documentation

◆ addattr()

◆ agattr_()

◆ agcopydict()

◆ agdictof()

◆ agdictsym()

◆ aglocaldictsym()

◆ agmakeattrs()

◆ agmakedatadict()

◆ agnewsym()

◆ agraphattr_init_wrapper()

◆ agset_()

◆ agxset_()

◆ freeattr()

◆ freesym()

◆ getattr()

◆ init_all_attrs()

◆ setattr()

◆ topdictsize()

◆ unviewsubgraphsattr()

Variable Documentation

◆ AgDataDictDisc

◆ AgDataRecName

◆ DataDictName

◆ ProtoDesc

◆ ProtoGraph