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73 lines
2.3 KiB
C
73 lines
2.3 KiB
C
/* $Id: dba_read.c,v 1.4 2016/08/17 20:46:56 schwarze Exp $ */
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/*
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* Copyright (c) 2016 Ingo Schwarze <schwarze@openbsd.org>
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*
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* Permission to use, copy, modify, and distribute this software for any
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* purpose with or without fee is hereby granted, provided that the above
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* copyright notice and this permission notice appear in all copies.
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*
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* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
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* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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*
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* Function to read the mandoc database from disk into RAM,
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* such that data can be added or removed.
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* The interface is defined in "dba.h".
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* This file is seperate from dba.c because this also uses "dbm.h".
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*/
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#include <regex.h>
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#include <stdint.h>
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#include <stdlib.h>
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#include <stdio.h>
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#include <string.h>
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#include "mandoc_aux.h"
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#include "mansearch.h"
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#include "dba_array.h"
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#include "dba.h"
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#include "dbm.h"
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struct dba *
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dba_read(const char *fname)
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{
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struct dba *dba;
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struct dba_array *page;
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struct dbm_page *pdata;
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struct dbm_macro *mdata;
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const char *cp;
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int32_t im, ip, iv, npages;
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if (dbm_open(fname) == -1)
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return NULL;
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npages = dbm_page_count();
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dba = dba_new(npages < 128 ? 128 : npages);
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for (ip = 0; ip < npages; ip++) {
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pdata = dbm_page_get(ip);
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page = dba_page_new(dba->pages, pdata->arch,
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pdata->desc, pdata->file + 1, *pdata->file);
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for (cp = pdata->name; *cp != '\0'; cp = strchr(cp, '\0') + 1)
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dba_page_add(page, DBP_NAME, cp);
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for (cp = pdata->sect; *cp != '\0'; cp = strchr(cp, '\0') + 1)
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dba_page_add(page, DBP_SECT, cp);
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if ((cp = pdata->arch) != NULL)
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while (*(cp = strchr(cp, '\0') + 1) != '\0')
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dba_page_add(page, DBP_ARCH, cp);
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cp = pdata->file;
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while (*(cp = strchr(cp, '\0') + 1) != '\0')
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dba_page_add(page, DBP_FILE, cp);
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}
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for (im = 0; im < MACRO_MAX; im++) {
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for (iv = 0; iv < dbm_macro_count(im); iv++) {
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mdata = dbm_macro_get(im, iv);
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dba_macro_new(dba, im, mdata->value, mdata->pp);
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}
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}
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dbm_close();
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return dba;
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}
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