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/* $OpenBSD: dba_read.c,v 1.4 2016/08/17 20:46:06 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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} |