Annotation of mandoc/mandoc.c, Revision 1.1
1.1 ! kristaps 1: /* $Id: mdoc_validate.c,v 1.17 2009/06/27 09:03:03 kristaps Exp $ */
! 2: /*
! 3: * Copyright (c) 2008, 2009 Kristaps Dzonsons <kristaps@kth.se>
! 4: *
! 5: * Permission to use, copy, modify, and distribute this software for any
! 6: * purpose with or without fee is hereby granted, provided that the above
! 7: * copyright notice and this permission notice appear in all copies.
! 8: *
! 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.
! 16: */
! 17: #include <assert.h>
! 18: #include <ctype.h>
! 19: #include <stdlib.h>
! 20:
! 21: #include "libmandoc.h"
! 22:
! 23: int
! 24: mandoc_special(const char *p)
! 25: {
! 26: int c;
! 27:
! 28: if ('\\' != *p++)
! 29: return(0);
! 30:
! 31: switch (*p) {
! 32: case ('\\'):
! 33: /* FALLTHROUGH */
! 34: case ('\''):
! 35: /* FALLTHROUGH */
! 36: case ('`'):
! 37: /* FALLTHROUGH */
! 38: case ('q'):
! 39: /* FALLTHROUGH */
! 40: case ('-'):
! 41: /* FALLTHROUGH */
! 42: case ('~'):
! 43: /* FALLTHROUGH */
! 44: case ('^'):
! 45: /* FALLTHROUGH */
! 46: case ('%'):
! 47: /* FALLTHROUGH */
! 48: case ('0'):
! 49: /* FALLTHROUGH */
! 50: case (' '):
! 51: /* FALLTHROUGH */
! 52: case ('|'):
! 53: /* FALLTHROUGH */
! 54: case ('&'):
! 55: /* FALLTHROUGH */
! 56: case ('.'):
! 57: /* FALLTHROUGH */
! 58: case (':'):
! 59: /* FALLTHROUGH */
! 60: case ('e'):
! 61: return(2);
! 62: case ('f'):
! 63: if (0 == *++p || ! isgraph((u_char)*p))
! 64: return(0);
! 65: return(3);
! 66: case ('*'):
! 67: if (0 == *++p || ! isgraph((u_char)*p))
! 68: return(0);
! 69: switch (*p) {
! 70: case ('('):
! 71: if (0 == *++p || ! isgraph((u_char)*p))
! 72: return(0);
! 73: return(4);
! 74: case ('['):
! 75: for (c = 3, p++; *p && ']' != *p; p++, c++)
! 76: if ( ! isgraph((u_char)*p))
! 77: break;
! 78: return(*p == ']' ? c : 0);
! 79: default:
! 80: break;
! 81: }
! 82: return(3);
! 83: case ('('):
! 84: if (0 == *++p || ! isgraph((u_char)*p))
! 85: return(0);
! 86: if (0 == *++p || ! isgraph((u_char)*p))
! 87: return(0);
! 88: return(4);
! 89: case ('['):
! 90: break;
! 91: default:
! 92: return(0);
! 93: }
! 94:
! 95: for (c = 3, p++; *p && ']' != *p; p++, c++)
! 96: if ( ! isgraph((u_char)*p))
! 97: break;
! 98:
! 99: return(*p == ']' ? c : 0);
! 100: }
! 101:
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