![[BACK]](/cvsweb/icons/back.gif){kind=icon}
Return to mdoc_strings.c CVS log ![[TXT]](/cvsweb/icons/text.gif){kind=icon}
![[DIR]](/cvsweb/icons/dir.gif){kind=icon}
Up to [cvsweb.bsd.lv] / mandoc|
Return to mdoc_strings.c CVS log | Up to [cvsweb.bsd.lv] / mandoc |
1.7 ! kristaps 1: /* $Id: mdoc_strings.c,v 1.6 2009/06/17 09:41:00 kristaps Exp $ */
1.1 kristaps 2: /*
3: * Copyright (c) 2008 Kristaps Dzonsons <kristaps@kth.se>
4: *
5: * Permission to use, copy, modify, and distribute this software for any
1.3 kristaps 6: * purpose with or without fee is hereby granted, provided that the above
7: * copyright notice and this permission notice appear in all copies.
1.1 kristaps 8: *
1.3 kristaps 9: * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
10: * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
11: * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
12: * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
13: * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
14: * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
15: * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
1.1 kristaps 16: */
17: #include <sys/types.h>
18:
19: #include <assert.h>
20: #include <ctype.h>
21: #include <stdlib.h>
22: #include <stdio.h>
23: #include <string.h>
24:
25: #include "libmdoc.h"
26:
1.7 ! kristaps 27: /* FIXME: this file is poorly named. */
! 28:
1.1 kristaps 29: struct mdoc_secname {
1.6 kristaps 30: const char *name; /* Name of section. */
1.7 ! kristaps 31: enum mdoc_sec sec; /* Corresponding section. */
1.1 kristaps 32: };
33:
1.7 ! kristaps 34: #define SECNAME_MAX (18)
1.1 kristaps 35:
1.7 ! kristaps 36: static const struct mdoc_secname secnames[SECNAME_MAX] = {
! 37: { "NAME", SEC_NAME },
! 38: { "LIBRARY", SEC_LIBRARY },
! 39: { "SYNOPSIS", SEC_SYNOPSIS },
! 40: { "DESCRIPTION", SEC_DESCRIPTION },
! 41: { "IMPLEMENTATION NOTES", SEC_IMPLEMENTATION },
! 42: { "RETURN VALUES", SEC_RETURN_VALUES },
! 43: { "ENVIRONMENT", SEC_ENVIRONMENT },
! 44: { "FILES", SEC_FILES },
! 45: { "EXAMPLES", SEC_EXAMPLES },
! 46: { "DIAGNOSTICS", SEC_DIAGNOSTICS },
! 47: { "COMPATIBILITY", SEC_COMPATIBILITY },
! 48: { "ERRORS", SEC_ERRORS },
! 49: { "SEE ALSO", SEC_SEE_ALSO },
! 50: { "STANDARDS", SEC_STANDARDS },
! 51: { "HISTORY", SEC_HISTORY },
! 52: { "AUTHORS", SEC_AUTHORS },
! 53: { "CAVEATS", SEC_CAVEATS },
! 54: { "BUGS", SEC_BUGS },
1.1 kristaps 55: };
56:
57: #ifdef __linux__
58: extern char *strptime(const char *, const char *, struct tm *);
59: #endif
60:
61:
62: size_t
63: mdoc_isescape(const char *p)
64: {
65: size_t c;
66:
67: if ('\\' != *p++)
68: return(0);
69:
70: switch (*p) {
71: case ('\\'):
72: /* FALLTHROUGH */
73: case ('\''):
74: /* FALLTHROUGH */
75: case ('`'):
76: /* FALLTHROUGH */
77: case ('q'):
78: /* FALLTHROUGH */
79: case ('-'):
80: /* FALLTHROUGH */
1.2 kristaps 81: case ('~'):
82: /* FALLTHROUGH */
83: case ('^'):
84: /* FALLTHROUGH */
1.1 kristaps 85: case ('%'):
86: /* FALLTHROUGH */
87: case ('0'):
88: /* FALLTHROUGH */
89: case (' '):
90: /* FALLTHROUGH */
91: case ('|'):
92: /* FALLTHROUGH */
93: case ('&'):
94: /* FALLTHROUGH */
95: case ('.'):
96: /* FALLTHROUGH */
97: case (':'):
98: /* FALLTHROUGH */
99: case ('e'):
100: return(2);
101: case ('*'):
102: if (0 == *++p || ! isgraph((u_char)*p))
103: return(0);
104: switch (*p) {
105: case ('('):
106: if (0 == *++p || ! isgraph((u_char)*p))
107: return(0);
108: return(4);
109: case ('['):
110: for (c = 3, p++; *p && ']' != *p; p++, c++)
111: if ( ! isgraph((u_char)*p))
112: break;
113: return(*p == ']' ? c : 0);
114: default:
115: break;
116: }
117: return(3);
118: case ('('):
119: if (0 == *++p || ! isgraph((u_char)*p))
120: return(0);
121: if (0 == *++p || ! isgraph((u_char)*p))
122: return(0);
123: return(4);
124: case ('['):
125: break;
126: default:
127: return(0);
128: }
129:
130: for (c = 3, p++; *p && ']' != *p; p++, c++)
131: if ( ! isgraph((u_char)*p))
132: break;
133:
134: return(*p == ']' ? c : 0);
135: }
136:
137:
138: int
139: mdoc_iscdelim(char p)
140: {
141:
142: switch (p) {
1.4 kristaps 143: case('|'):
144: /* FALLTHROUGH */
1.1 kristaps 145: case('.'):
146: /* FALLTHROUGH */
147: case(','):
148: /* FALLTHROUGH */
149: case(';'):
150: /* FALLTHROUGH */
151: case(':'):
152: /* FALLTHROUGH */
153: case('?'):
154: /* FALLTHROUGH */
155: case('!'):
156: /* FALLTHROUGH */
157: case('('):
158: /* FALLTHROUGH */
159: case(')'):
160: /* FALLTHROUGH */
161: case('['):
162: /* FALLTHROUGH */
163: case(']'):
164: /* FALLTHROUGH */
165: case('{'):
166: /* FALLTHROUGH */
167: case('}'):
168: return(1);
169: default:
170: break;
171: }
172:
173: return(0);
174: }
175:
176:
177: int
178: mdoc_isdelim(const char *p)
179: {
180:
181: if (0 == *p)
182: return(0);
183: if (0 != *(p + 1))
184: return(0);
185: return(mdoc_iscdelim(*p));
186: }
187:
188:
189: enum mdoc_sec
190: mdoc_atosec(const char *p)
191: {
1.7 ! kristaps 192: int i;
1.1 kristaps 193:
1.7 ! kristaps 194: for (i = 0; i < SECNAME_MAX; i++)
! 195: if (0 == strcmp(p, secnames[i].name))
! 196: return(secnames[i].sec);
1.1 kristaps 197:
198: return(SEC_CUSTOM);
199: }
200:
201:
202: time_t
203: mdoc_atotime(const char *p)
204: {
205: struct tm tm;
206: char *pp;
207:
1.7 ! kristaps 208: bzero(&tm, sizeof(struct tm));
1.1 kristaps 209:
1.5 kristaps 210: if (0 == strcmp(p, "$" "Mdocdate$"))
1.1 kristaps 211: return(time(NULL));
1.5 kristaps 212: if ((pp = strptime(p, "$" "Mdocdate: %b %d %Y $", &tm)) && 0 == *pp)
1.1 kristaps 213: return(mktime(&tm));
214: /* XXX - this matches "June 1999", which is wrong. */
215: if ((pp = strptime(p, "%b %d %Y", &tm)) && 0 == *pp)
216: return(mktime(&tm));
217: if ((pp = strptime(p, "%b %d, %Y", &tm)) && 0 == *pp)
218: return(mktime(&tm));
219:
220: return(0);
221: }
222:
223:
224: size_t
225: mdoc_macro2len(int macro)
226: {
227:
228: switch (macro) {
229: case(MDOC_Ad):
230: return(12);
231: case(MDOC_Ao):
232: return(12);
233: case(MDOC_An):
234: return(12);
235: case(MDOC_Aq):
236: return(12);
237: case(MDOC_Ar):
238: return(12);
239: case(MDOC_Bo):
240: return(12);
241: case(MDOC_Bq):
242: return(12);
243: case(MDOC_Cd):
244: return(12);
245: case(MDOC_Cm):
246: return(10);
247: case(MDOC_Do):
248: return(10);
249: case(MDOC_Dq):
250: return(12);
251: case(MDOC_Dv):
252: return(12);
253: case(MDOC_Eo):
254: return(12);
255: case(MDOC_Em):
256: return(10);
257: case(MDOC_Er):
258: return(12);
259: case(MDOC_Ev):
260: return(15);
261: case(MDOC_Fa):
262: return(12);
263: case(MDOC_Fl):
264: return(10);
265: case(MDOC_Fo):
266: return(16);
267: case(MDOC_Fn):
268: return(16);
269: case(MDOC_Ic):
270: return(10);
271: case(MDOC_Li):
272: return(16);
273: case(MDOC_Ms):
274: return(6);
275: case(MDOC_Nm):
276: return(10);
277: case(MDOC_No):
278: return(12);
279: case(MDOC_Oo):
280: return(10);
281: case(MDOC_Op):
282: return(14);
283: case(MDOC_Pa):
284: return(32);
285: case(MDOC_Pf):
286: return(12);
287: case(MDOC_Po):
288: return(12);
289: case(MDOC_Pq):
290: return(12);
291: case(MDOC_Ql):
292: return(16);
293: case(MDOC_Qo):
294: return(12);
295: case(MDOC_So):
296: return(12);
297: case(MDOC_Sq):
298: return(12);
299: case(MDOC_Sy):
300: return(6);
301: case(MDOC_Sx):
302: return(16);
303: case(MDOC_Tn):
304: return(10);
305: case(MDOC_Va):
306: return(12);
307: case(MDOC_Vt):
308: return(12);
309: case(MDOC_Xr):
310: return(10);
311: default:
312: break;
313: };
314: return(0);
315: }