src/pacman/db.c


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/*
 *  db.c
 * 
 *  Copyright (c) 2002-2005 by Judd Vinet <jvinet@zeroflux.org>
 * 
 *  This program is free software; you can redistribute it and/or modify
 *  it under the terms of the GNU General Public License as published by
 *  the Free Software Foundation; either version 2 of the License, or
 *  (at your option) any later version.
 *
 *  This program is distributed in the hope that it will be useful,
 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *  GNU General Public License for more details.
 *
 *  You should have received a copy of the GNU General Public License
 *  along with this program; if not, write to the Free Software
 *  Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, 
 *  USA.
 */

#include "config.h"
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <sys/stat.h>
#include <unistd.h>
#include <dirent.h>

#include <alpm.h>
/* pacman */
#include "util.h"
#include "list.h"
#include "sync.h"
#include "db.h"

int db_search(PM_DB *db, const char *treename, list_t *needles)
{
  list_t *i;

  if(needles == NULL || needles->data == NULL) {
    return(0);
  }
  
  for(i = needles; i; i = i->next) {
    PM_LIST *j;
    char *targ;
    int ret;

    if(i->data == NULL) {
      continue;
    }
    targ = strdup(i->data);

    for(j = alpm_db_getpkgcache(db); j; j = alpm_list_next(j)) {
      PM_PKG *pkg = alpm_list_getdata(j);
      char *haystack;
      char *pkgname, *pkgdesc;
      int match = 0;

      pkgname = alpm_pkg_getinfo(pkg, PM_PKG_NAME);
      pkgdesc = alpm_pkg_getinfo(pkg, PM_PKG_DESC);

      /* check name */
      haystack = strdup(pkgname);
      ret = reg_match(haystack, targ);
      if(ret < 0) {
        /* bad regexp */
        FREE(haystack);
        return(1);
      } else if(ret) {
        match = 1;
      }
      FREE(haystack);

      /* check description */
      if(!match) {
        haystack = strdup(pkgdesc);
        ret = reg_match(haystack, targ);
        if(ret < 0) {
          /* bad regexp */
          FREE(haystack);
          return(1);
        } else if(ret) {
          match = 1;
        }
        FREE(haystack);
      }

      /* check provides */
      if(!match) {
        PM_LIST *m;

        for(m = alpm_pkg_getinfo(pkg, PM_PKG_PROVIDES); m; m = alpm_list_next(m)) {
          haystack = strdup(alpm_list_getdata(m));
          ret = reg_match(haystack, targ);
          if(ret < 0) {
            /* bad regexp */
            FREE(haystack);
            return(1);
          } else if(ret) {
            match = 1;
          }
          FREE(haystack);
        }
      }

      if(match) {
        printf("%s/%s %s\n    ", treename, pkgname, (char *)alpm_pkg_getinfo(pkg, PM_PKG_VERSION));
        indentprint(pkgdesc, 4);
        printf("\n");
      }
    }

    FREE(targ);
  }

  return(0);
}

/* vim: set ts=2 sw=2 noet: */