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Annotation of mandoc/dba_read.c, Revision 1.5

1.5     ! schwarze    1: /* $Id: dba_read.c,v 1.4 2016/08/17 20:46:56 schwarze Exp $ */
1.1       schwarze    2: /*
                      3:  * Copyright (c) 2016 Ingo Schwarze <schwarze@openbsd.org>
                      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:  * Function to read the mandoc database from disk into RAM,
                     18:  * such that data can be added or removed.
                     19:  * The interface is defined in "dba.h".
                     20:  * This file is seperate from dba.c because this also uses "dbm.h".
                     21:  */
1.5     ! schwarze   22: #include "config.h"
        !            23:
1.1       schwarze   24: #include <regex.h>
                     25: #include <stdint.h>
                     26: #include <stdlib.h>
                     27: #include <stdio.h>
                     28: #include <string.h>
                     29:
                     30: #include "mandoc_aux.h"
                     31: #include "mansearch.h"
                     32: #include "dba_array.h"
                     33: #include "dba.h"
                     34: #include "dbm.h"
                     35:
                     36:
                     37: struct dba *
                     38: dba_read(const char *fname)
                     39: {
                     40:        struct dba              *dba;
                     41:        struct dba_array        *page;
                     42:        struct dbm_page         *pdata;
                     43:        struct dbm_macro        *mdata;
                     44:        const char              *cp;
                     45:        int32_t                  im, ip, iv, npages;
                     46:
                     47:        if (dbm_open(fname) == -1)
                     48:                return NULL;
                     49:        npages = dbm_page_count();
1.2       schwarze   50:        dba = dba_new(npages < 128 ? 128 : npages);
1.1       schwarze   51:        for (ip = 0; ip < npages; ip++) {
                     52:                pdata = dbm_page_get(ip);
1.4       schwarze   53:                page = dba_page_new(dba->pages, pdata->arch,
                     54:                    pdata->desc, pdata->file + 1, *pdata->file);
1.3       schwarze   55:                for (cp = pdata->name; *cp != '\0'; cp = strchr(cp, '\0') + 1)
1.1       schwarze   56:                        dba_page_add(page, DBP_NAME, cp);
1.4       schwarze   57:                for (cp = pdata->sect; *cp != '\0'; cp = strchr(cp, '\0') + 1)
1.1       schwarze   58:                        dba_page_add(page, DBP_SECT, cp);
                     59:                if ((cp = pdata->arch) != NULL)
                     60:                        while (*(cp = strchr(cp, '\0') + 1) != '\0')
                     61:                                dba_page_add(page, DBP_ARCH, cp);
                     62:                cp = pdata->file;
                     63:                while (*(cp = strchr(cp, '\0') + 1) != '\0')
                     64:                        dba_page_add(page, DBP_FILE, cp);
                     65:        }
                     66:        for (im = 0; im < MACRO_MAX; im++) {
                     67:                for (iv = 0; iv < dbm_macro_count(im); iv++) {
                     68:                        mdata = dbm_macro_get(im, iv);
                     69:                        dba_macro_new(dba, im, mdata->value, mdata->pp);
                     70:                }
                     71:        }
                     72:        dbm_close();
                     73:        return dba;
                     74: }