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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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