Annotation of docbook2mdoc/node.h, Revision 1.12
1.12 ! schwarze 1: /* $Id: node.h,v 1.11 2019/04/07 17:00:56 schwarze Exp $ */
1.1 schwarze 2: /*
3: * Copyright (c) 2014 Kristaps Dzonsons <kristaps@bsd.lv>
4: * Copyright (c) 2019 Ingo Schwarze <schwarze@openbsd.org>
5: *
6: * Permission to use, copy, modify, and distribute this software for any
7: * purpose with or without fee is hereby granted, provided that the above
8: * copyright notice and this permission notice appear in all copies.
9: *
10: * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHORS DISCLAIM ALL WARRANTIES
11: * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
12: * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR
13: * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
14: * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
15: * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
16: * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
17: */
18: #include <sys/queue.h>
19:
20: /*
21: * The interface of the DocBook syntax tree.
22: */
23:
24: /*
25: * All node types used for formatting purposes.
26: * More DocBook XML elements are recognized, but remapped or discarded.
27: */
28: enum nodeid {
1.4 schwarze 29: NODE_DELETE_WARN,
30: NODE_DELETE,
31: NODE_IGNORE,
1.1 schwarze 32: /* Alpha-ordered hereafter. */
33: NODE_AFFILIATION,
1.12 ! schwarze 34: NODE_APPENDIX,
1.1 schwarze 35: NODE_APPLICATION,
36: NODE_ARG,
37: NODE_AUTHOR,
38: NODE_AUTHORGROUP,
39: NODE_BLOCKQUOTE,
40: NODE_BOOKINFO,
41: NODE_CAUTION,
42: NODE_CITEREFENTRY,
43: NODE_CITETITLE,
44: NODE_CMDSYNOPSIS,
45: NODE_COLSPEC,
46: NODE_COMMAND,
47: NODE_CONSTANT,
1.6 schwarze 48: NODE_CONTRIB,
1.1 schwarze 49: NODE_COPYRIGHT,
50: NODE_DATE,
51: NODE_EDITOR,
52: NODE_EMAIL,
53: NODE_EMPHASIS,
54: NODE_ENTRY,
55: NODE_ENVAR,
1.9 schwarze 56: NODE_ERRORNAME,
1.7 schwarze 57: NODE_ESCAPE,
1.1 schwarze 58: NODE_FIELDSYNOPSIS,
59: NODE_FILENAME,
60: NODE_FIRSTTERM,
61: NODE_FOOTNOTE,
62: NODE_FUNCDEF,
63: NODE_FUNCPROTOTYPE,
64: NODE_FUNCSYNOPSIS,
65: NODE_FUNCSYNOPSISINFO,
66: NODE_FUNCTION,
67: NODE_GLOSSTERM,
68: NODE_GROUP,
69: NODE_HOLDER,
70: NODE_INDEX,
71: NODE_INFO,
72: NODE_INFORMALEQUATION,
73: NODE_INLINEEQUATION,
74: NODE_ITEMIZEDLIST,
75: NODE_KEYSYM,
76: NODE_LEGALNOTICE,
77: NODE_LINK,
78: NODE_LISTITEM,
79: NODE_LITERAL,
80: NODE_LITERALLAYOUT,
81: NODE_MANVOLNUM,
82: NODE_MEMBER,
83: NODE_MML_MATH,
84: NODE_MML_MFENCED,
85: NODE_MML_MFRAC,
86: NODE_MML_MI,
87: NODE_MML_MN,
88: NODE_MML_MO,
89: NODE_MML_MROW,
90: NODE_MML_MSUB,
91: NODE_MML_MSUP,
92: NODE_MODIFIER,
93: NODE_NOTE,
94: NODE_OPTION,
95: NODE_ORDEREDLIST,
96: NODE_ORGNAME,
97: NODE_PARA,
98: NODE_PARAMDEF,
99: NODE_PARAMETER,
100: NODE_PERSONNAME,
101: NODE_PREFACE,
102: NODE_PROGRAMLISTING,
103: NODE_PROMPT,
104: NODE_QUOTE,
105: NODE_REFCLASS,
106: NODE_REFDESCRIPTOR,
107: NODE_REFENTRY,
108: NODE_REFENTRYINFO,
109: NODE_REFENTRYTITLE,
110: NODE_REFMETA,
111: NODE_REFMETAINFO,
112: NODE_REFMISCINFO,
113: NODE_REFNAME,
114: NODE_REFNAMEDIV,
115: NODE_REFPURPOSE,
116: NODE_REFSYNOPSISDIV,
117: NODE_RELEASEINFO,
118: NODE_REPLACEABLE,
119: NODE_ROW,
120: NODE_SBR,
121: NODE_SCREEN,
122: NODE_SECTION,
123: NODE_SGMLTAG,
124: NODE_SIMPLELIST,
125: NODE_SPANSPEC,
126: NODE_SUBTITLE,
127: NODE_SYNOPSIS,
128: NODE_TABLE,
129: NODE_TBODY,
130: NODE_TERM,
131: NODE_TEXT,
132: NODE_TFOOT,
133: NODE_TGROUP,
134: NODE_THEAD,
135: NODE_TIP,
136: NODE_TITLE,
137: NODE_TYPE,
138: NODE_ULINK,
139: NODE_VARIABLELIST,
140: NODE_VARLISTENTRY,
141: NODE_VARNAME,
142: NODE_WARNING,
143: NODE_WORDASWORD,
144: NODE_YEAR,
145: NODE__MAX
146: };
147:
148: /*
149: * All recognised attribute keys.
150: * Other attributes are discarded.
151: */
152: enum attrkey {
153: /* Alpha-order... */
154: ATTRKEY_CHOICE = 0,
155: ATTRKEY_CLASS,
156: ATTRKEY_CLOSE,
1.8 schwarze 157: ATTRKEY_COLS,
1.11 schwarze 158: ATTRKEY_ENDTERM,
1.1 schwarze 159: ATTRKEY_ID,
160: ATTRKEY_LINKEND,
161: ATTRKEY_OPEN,
162: ATTRKEY_REP,
1.11 schwarze 163: ATTRKEY_URL,
164: ATTRKEY_XLINK_HREF,
1.1 schwarze 165: ATTRKEY__MAX
166: };
167:
168: /*
169: * All explicitly recognised attribute values.
170: * If an attribute has ATTRVAL__MAX, it is treated as free-form.
171: */
172: enum attrval {
173: /* Alpha-order... */
174: ATTRVAL_MONOSPACED,
175: ATTRVAL_NOREPEAT,
176: ATTRVAL_OPT,
177: ATTRVAL_PLAIN,
178: ATTRVAL_REPEAT,
179: ATTRVAL_REQ,
180: ATTRVAL__MAX
181: };
182:
183: TAILQ_HEAD(pnodeq, pnode);
184: TAILQ_HEAD(pattrq, pattr);
185:
186: /*
187: * One DocBook XML element attribute.
188: */
189: struct pattr {
190: enum attrkey key;
191: enum attrval val;
192: char *rawval;
193: TAILQ_ENTRY(pattr) child;
194: };
195:
196: /*
197: * One DocBook XML element.
198: */
199: struct pnode {
200: enum nodeid node; /* Node type. */
201: char *b; /* String value. */
202: char *real; /* Storage for "b". */
203: size_t bsz; /* strlen(b) */
1.10 schwarze 204: int spc; /* Whitespace before this node. */
1.1 schwarze 205: struct pnode *parent; /* Parent node or NULL. */
206: struct pnodeq childq; /* Queue of children. */
207: struct pattrq attrq; /* Attributes of the node. */
208: TAILQ_ENTRY(pnode) child;
209: };
210:
211: /*
212: * The parse result for one complete DocBook XML document.
213: */
214: struct ptree {
215: struct pnode *root; /* The document element. */
216: int flags;
217: #define TREE_FAIL (1 << 0) /* A fatal parse error occurred. */
218: #define TREE_EQN (1 << 1) /* The document needs inline eqn(7). */
1.5 schwarze 219: #define TREE_CLOSED (1 << 2) /* The document element was closed. */
1.1 schwarze 220: };
221:
222:
223: enum attrkey attrkey_parse(const char *);
224: enum attrval attrval_parse(const char *);
225: void pnode_unlink(struct pnode *);
226: void pnode_unlinksub(struct pnode *);
227: enum attrval pnode_getattr(struct pnode *, enum attrkey);
228: const char *pnode_getattr_raw(struct pnode *, enum attrkey, const char *);
229: struct pnode *pnode_findfirst(struct pnode *, enum nodeid);
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