1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
|
/**
* @file
* @brief cgraph.h additions
* @ingroup core
*/
/*************************************************************************
* Copyright (c) 2011 AT&T Intellectual Property
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* https://www.eclipse.org/legal/epl-v10.html
*
* Contributors: Details at https://graphviz.org
*************************************************************************/
#pragma once
#include "config.h"
#ifdef GVDLL
#ifdef EXPORT_CGHDR
#define CGHDR_API __declspec(dllexport)
#else
#define CGHDR_API __declspec(dllimport)
#endif
#endif
#ifndef CGHDR_API
#define CGHDR_API /* nothing */
#endif
#include <cgraph.h>
#include <ctype.h>
#include <sys/types.h>
#include <stdarg.h>
#include <stdbool.h>
#include <stdlib.h>
#include <string.h>
#include <assert.h>
#include <stdint.h>
#include <stdio.h>
#define SUCCESS 0
#define FAILURE -1
#define LOCALNAMEPREFIX '%'
#define AGDISC(g,d) ((g)->clos->disc.d)
#define AGCLOS(g,d) ((g)->clos->state.d)
/* functional definitions */
typedef Agobj_t *(*agobjsearchfn_t) (Agraph_t * g, Agobj_t * obj);
CGHDR_API int agapply(Agraph_t * g, Agobj_t * obj, agobjfn_t fn, void *arg,
int preorder);
/* global variables */
extern const char AgDataRecName[];
/* set ordering disciplines */
extern Dtdisc_t Ag_subnode_seq_disc;
extern Dtdisc_t Ag_mainedge_id_disc;
extern Dtdisc_t Ag_subedge_id_disc;
extern Dtdisc_t Ag_mainedge_seq_disc;
extern Dtdisc_t Ag_subedge_seq_disc;
extern Dtdisc_t Ag_subgraph_id_disc;
extern Dtdisc_t Ag_subgraph_seq_disc;
/* internal constructor of graphs and subgraphs */
Agraph_t *agopen1(Agraph_t * g);
int agstrclose(Agraph_t * g);
/// Mask of `Agtag_s.seq` width
enum { SEQ_MASK = (1 << (sizeof(unsigned) * 8 - 4)) - 1 };
/* object set management */
Agnode_t *agfindnode_by_id(Agraph_t * g, IDTYPE id);
uint64_t agnextseq(Agraph_t * g, int objtype);
/* dict helper functions */
Dict_t *agdtopen(Dtdisc_t *disc, Dtmethod_t *method);
void agdtdisc(Agraph_t * g, Dict_t * dict, Dtdisc_t * disc);
int agdtdelete(Agraph_t * g, Dict_t * dict, void *obj);
int agdtclose(Agraph_t * g, Dict_t * dict);
/** @addtogroup cgraph_attr
* @{
*/
/* name-value pair operations */
CGHDR_API Agdatadict_t *agdatadict(Agraph_t *g, bool cflag);
CGHDR_API Agattr_t *agattrrec(void *obj);
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);
/// @}
/* parsing and lexing graph files
*
* aagscan_t is opaque, because it is generated
* by flex based on scan.l.
* See https://westes.github.io/flex/manual/About-yyscan_005ft.html
*/
typedef void *aagscan_t;
typedef struct aagextra_s aagextra_t;
int aaglex_init_extra(aagextra_t* user_defined, aagscan_t* scanner);
int aaglex_destroy(aagscan_t);
aagextra_t *aagget_extra(aagscan_t yyscanner);
void aagset_in(FILE *, aagscan_t);
int aagparse(aagscan_t scanner);
void aglexeof(aagscan_t yyscanner);
void aglexbad(aagscan_t yyscanner);
/* ID management */
int agmapnametoid(Agraph_t *g, int objtype, char *str, IDTYPE *result,
bool createflag);
void agfreeid(Agraph_t * g, int objtype, IDTYPE id);
char *agprintid(Agobj_t * obj);
bool aginternalmaplookup(Agraph_t *g, int objtype, char *str, IDTYPE *result);
void aginternalmapinsert(Agraph_t * g, int objtype, char *str,
IDTYPE result);
char *aginternalmapprint(Agraph_t * g, int objtype, IDTYPE id);
int aginternalmapdelete(Agraph_t * g, int objtype, IDTYPE id);
void aginternalmapclose(Agraph_t * g);
void agregister(Agraph_t * g, int objtype, void *obj);
/* internal set operations */
void agedgesetop(Agraph_t * g, Agedge_t * e, int insertion);
void agdelnodeimage(Agraph_t *g, Agobj_t *node, void *ignored);
void agdeledgeimage(Agraph_t *g, Agobj_t *edge, void *ignored);
/// rename an object
///
/// @param obj Target to rename
/// @param newname Name to assign
/// @return 0 on success
CGHDR_API int agrename(Agobj_t * obj, char *newname);
void agrecclose(Agobj_t * obj);
/// @addtogroup cgraph_callback
/// @{
void agmethod_init(Agraph_t * g, void *obj);
void agmethod_upd(Agraph_t * g, void *obj, Agsym_t * sym);
void agmethod_delete(Agraph_t * g, void *obj);
void aginitcb(Agraph_t * g, void *obj, Agcbstack_t * disc);
void agupdcb(Agraph_t * g, void *obj, Agsym_t * sym, Agcbstack_t * disc);
void agdelcb(Agraph_t * g, void *obj, Agcbstack_t * disc);
/// @}
/// @defgroup cgmem memory
/// @{
void aginternalmapclearlocalnames(Agraph_t *g);
/// @}
|
