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Annotation of mandoc/tbl_data.c, Revision 1.1

1.1     ! kristaps    1: /*     $Id: data.c,v 1.11 2009/09/12 16:05:34 kristaps Exp $ */
        !             2: /*
        !             3:  * Copyright (c) 2009, 2010 Kristaps Dzonsons <kristaps@bsd.lv>
        !             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: #include <string.h>
        !            21:
        !            22: #include "mandoc.h"
        !            23: #include "libmandoc.h"
        !            24: #include "libroff.h"
        !            25:
        !            26: static void    data(struct tbl *, struct tbl_span *,
        !            27:                        int, const char *, int *);
        !            28:
        !            29: void
        !            30: data(struct tbl *tbl, struct tbl_span *dp,
        !            31:                int ln, const char *p, int *pos)
        !            32: {
        !            33:        struct tbl_dat  *dat;
        !            34:        int              sv;
        !            35:
        !            36:        /* FIXME: warn about losing data contents if cell is HORIZ. */
        !            37:
        !            38:        dat = mandoc_calloc(1, sizeof(struct tbl_dat));
        !            39:
        !            40:        if (dp->last) {
        !            41:                dp->last->next = dat;
        !            42:                dp->last = dat;
        !            43:        } else
        !            44:                dp->last = dp->first = dat;
        !            45:
        !            46:        sv = *pos;
        !            47:        while (p[*pos] && p[*pos] != tbl->tab)
        !            48:                (*pos)++;
        !            49:
        !            50:        dat->string = mandoc_malloc(*pos - sv + 1);
        !            51:        memcpy(dat->string, &p[sv], *pos - sv);
        !            52:        dat->string[*pos - sv] = '\0';
        !            53:
        !            54:        if (p[*pos])
        !            55:                (*pos)++;
        !            56:
        !            57:        /* XXX: do the strcmps, then malloc(). */
        !            58:
        !            59:        if ( ! strcmp(dat->string, "_"))
        !            60:                dat->flags |= TBL_DATA_HORIZ;
        !            61:        else if ( ! strcmp(dat->string, "="))
        !            62:                dat->flags |= TBL_DATA_DHORIZ;
        !            63:        else if ( ! strcmp(dat->string, "\\_"))
        !            64:                dat->flags |= TBL_DATA_NHORIZ;
        !            65:        else if ( ! strcmp(dat->string, "\\="))
        !            66:                dat->flags |= TBL_DATA_NDHORIZ;
        !            67: }
        !            68:
        !            69: struct tbl_span *
        !            70: tbl_data(struct tbl *tbl, int ln, const char *p)
        !            71: {
        !            72:        struct tbl_span *dp;
        !            73:        int              pos;
        !            74:
        !            75:        pos = 0;
        !            76:
        !            77:        if ('\0' == p[pos]) {
        !            78:                TBL_MSG(tbl, MANDOCERR_TBL, ln, pos);
        !            79:                return(NULL);
        !            80:        }
        !            81:
        !            82:        dp = mandoc_calloc(1, sizeof(struct tbl_span));
        !            83:
        !            84:        if ( ! strcmp(p, "_")) {
        !            85:                dp->flags |= TBL_SPAN_HORIZ;
        !            86:                return(dp);
        !            87:        } else if ( ! strcmp(p, "=")) {
        !            88:                dp->flags |= TBL_SPAN_DHORIZ;
        !            89:                return(dp);
        !            90:        }
        !            91:
        !            92:        while ('\0' != p[pos])
        !            93:                data(tbl, dp, ln, p, &pos);
        !            94:
        !            95:        return(dp);
        !            96: }

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