tools/common_write.c

   1 /*
   2  * Copyright (c) 2007, Novell Inc.
   3  *
   4  * This program is licensed under the BSD license, read LICENSE.BSD
   5  * for further information
   6  */
   7
   8 #include <sys/types.h>
   9 #include <limits.h>
  10 #include <fcntl.h>
  11 #include <stdio.h>
  12 #include <stdlib.h>
  13 #include <string.h>
  14
  15 #include "pool.h"
  16 #include "repo.h"
  17 #include "repo_write.h"
  18 #include "common_write.h"
  19
  20 static Id verticals[] = {
  21   SOLVABLE_AUTHORS,
  22   SOLVABLE_DESCRIPTION,
  23   SOLVABLE_MESSAGEDEL,
  24   SOLVABLE_MESSAGEINS,
  25   SOLVABLE_EULA,
  26   SOLVABLE_DISKUSAGE,
  27   SOLVABLE_FILELIST,
  28   0
  29 };
  30
  31 static char *languagetags[] = {
  32   "solvable:summary:",
  33   "solvable:description:",
  34   "solvable:messageins:",
  35   "solvable:messagedel:",
  36   0
  37 };
  38
  39 static int test_separate = 0;
  40
  41 static int
  42 keyfilter_solv(Repo *data, Repokey *key, void *kfdata)
  43 {
  44   int i;
  45   if (test_separate && key->storage != KEY_STORAGE_SOLVABLE)
  46     return KEY_STORAGE_DROPPED;
  47   for (i = 0; verticals[i]; i++)
  48     if (key->name == verticals[i])
  49       return KEY_STORAGE_VERTICAL_OFFSET;
  50   return KEY_STORAGE_INCORE;
  51 }
  52
  53 static int
  54 keyfilter_attr(Repo *data, Repokey *key, void *kfdata)
  55 {
  56   int i;
  57   if (key->storage == KEY_STORAGE_SOLVABLE)
  58     return KEY_STORAGE_DROPPED;
  59   for (i = 0; verticals[i]; i++)
  60     if (key->name == verticals[i])
  61       return KEY_STORAGE_VERTICAL_OFFSET;
  62   return KEY_STORAGE_INCORE;
  63 }
  64
  65 static int
  66 keyfilter_language(Repo *repo, Repokey *key, void *kfdata)
  67 {
  68   const char *name, *p;
  69   char *lang = kfdata, *bname;
  70   int i;
  71   Id id;
  72
  73   name = id2str(repo->pool, key->name);
  74   p = strrchr(name, ':');
  75   if (!p || strcmp(p + 1, lang) != 0)
  76     return KEY_STORAGE_DROPPED;
  77   /* find base name id */
  78   bname = strdup(name);
  79   bname[p - name] = 0;
  80   id = str2id(repo->pool, bname, 1);
  81   for (i = 0; verticals[i]; i++)
  82     if (id == verticals[i])
  83       return KEY_STORAGE_VERTICAL_OFFSET;
  84   return KEY_STORAGE_INCORE;
  85 }
  86
  87 static int
  88 keyfilter_DU(Repo *repo, Repokey *key, void *kfdata)
  89 {
  90   int i;
  91   if (key->name != SOLVABLE_DISKUSAGE)
  92     return KEY_STORAGE_DROPPED;
  93   for (i = 0; verticals[i]; i++)
  94     if (key->name == verticals[i])
  95       return KEY_STORAGE_VERTICAL_OFFSET;
  96   return KEY_STORAGE_INCORE;
  97 }
  98
  99 static int
 100 keyfilter_FL(Repo *repo, Repokey *key, void *kfdata)
 101 {
 102   int i;
 103   if (key->name != SOLVABLE_FILELIST)
 104     return KEY_STORAGE_DROPPED;
 105   for (i = 0; verticals[i]; i++)
 106     if (key->name == verticals[i])
 107       return KEY_STORAGE_VERTICAL_OFFSET;
 108   return KEY_STORAGE_INCORE;
 109 }
 110
 111 struct keyfilter_other_data {
 112   char **languages;
 113   int nlanguages;
 114 };
 115
 116 static int
 117 keyfilter_other(Repo *repo, Repokey *key, void *kfdata)
 118 {
 119   const char *name, *p;
 120   struct keyfilter_other_data *kd = kfdata;
 121   int i;
 122
 123   if (key->name == SOLVABLE_FILELIST || key->name == SOLVABLE_DISKUSAGE)
 124     return KEY_STORAGE_DROPPED;
 125
 126   name = id2str(repo->pool, key->name);
 127   p = strrchr(name, ':');
 128   if (p)
 129     {
 130       for (i = 0; i < kd->nlanguages; i++)
 131         if (!strcmp(p + 1, kd->languages[i]))
 132           return KEY_STORAGE_DROPPED;
 133     }
 134   for (i = 0; verticals[i]; i++)
 135     if (key->name == verticals[i])
 136       return KEY_STORAGE_VERTICAL_OFFSET;
 137   return KEY_STORAGE_INCORE;
 138 }
 139
 140 /*
 141  * Write <repo> to stdout
 142  * If <attrname> is given, write attributes to <attrname>
 143  * If <basename> is given, split attributes
 144  */
 145
 146 #define REPODATAFILE_BLOCK 15
 147
 148 int
 149 tool_write(Repo *repo, const char *basename, const char *attrname)
 150 {
 151   Repodata *data;
 152   Repokey *key;
 153   Repodatafile *fileinfos = 0;
 154   int nfileinfos = 0;
 155   char **languages = 0;
 156   int nlanguages = 0;
 157   int i, j, k, l;
 158
 159   fileinfos = sat_zextend(fileinfos, nfileinfos, 1, sizeof(Repodatafile), REPODATAFILE_BLOCK);
 160   pool_addfileprovides_ids(repo->pool, 0, &fileinfos[nfileinfos].addedfileprovides);
 161   nfileinfos++;
 162
 163   if (basename)
 164     {
 165       struct keyfilter_other_data kd;
 166       char fn[4096];
 167       FILE *fp;
 168       int has_DU = 0;
 169       int has_FL = 0;
 170
 171       /* find languages and other info */
 172       for (i = 0, data = repo->repodata; i < repo->nrepodata; i++, data++)
 173         {
 174           for (j = 1, key = data->keys + j; j < data->nkeys; j++, key++)
 175             {
 176               const char *keyname = id2str(repo->pool, key->name);
 177               if (key->name == SOLVABLE_DISKUSAGE)
 178                 has_DU = 1;
 179               if (key->name == SOLVABLE_FILELIST)
 180                 has_FL = 1;
 181               for (k = 0; languagetags[k] != 0; k++)
 182                 if (!strncmp(keyname, languagetags[k], strlen(languagetags[k])))
 183                   break;
 184               if (!languagetags[k])
 185                 continue;
 186               l = strlen(languagetags[k]);
 187               if (strlen(keyname + l) > 5)
 188                 continue;
 189               for (k = 0; k < nlanguages; k++)
 190                 if (!strcmp(languages[k], keyname + l))
 191                   break;
 192               if (k < nlanguages)
 193                 continue;
 194               languages = sat_realloc2(languages, nlanguages + 1, sizeof(char *));
 195               languages[nlanguages++] = strdup(keyname + l);
 196             }
 197         }
 198       fileinfos = sat_zextend(fileinfos, nfileinfos, nlanguages + 2, sizeof(Repodatafile), REPODATAFILE_BLOCK);
 199       /* write language subfiles */
 200       for (i = 0; i < nlanguages; i++)
 201         {
 202           sprintf(fn, "%s.%s.solv", basename, languages[i]);
 203           if (!(fp = fopen(fn, "w")))
 204             {
 205               perror(fn);
 206               exit(1);
 207             }
 208           repo_write(repo, fp, keyfilter_language, languages[i], fileinfos + nfileinfos, 0);
 209           fileinfos[nfileinfos].location = strdup(fn);
 210           fclose(fp);
 211           nfileinfos++;
 212         }
 213       /* write DU subfile */
 214       if (has_DU)
 215         {
 216           sprintf(fn, "%s.DU.solv", basename);
 217           if (!(fp = fopen(fn, "w")))
 218             {
 219               perror(fn);
 220               exit(1);
 221             }
 222           repo_write(repo, fp, keyfilter_DU, 0, fileinfos + nfileinfos, 0);
 223           fileinfos[nfileinfos].location = strdup(fn);
 224           fclose(fp);
 225           nfileinfos++;
 226         }
 227       /* write filelist */
 228       if (has_FL)
 229         {
 230           sprintf(fn, "%s.FL.solv", basename);
 231           if (!(fp = fopen(fn, "w")))
 232             {
 233               perror(fn);
 234               exit(1);
 235             }
 236           repo_write(repo, fp, keyfilter_FL, 0, fileinfos + nfileinfos, 0);
 237           fileinfos[nfileinfos].location = strdup(fn);
 238           fclose(fp);
 239           nfileinfos++;
 240         }
 241       /* write everything else */
 242       sprintf(fn, "%s.solv", basename);
 243       if (!(fp = fopen(fn, "w")))
 244         {
 245           perror(fn);
 246           exit(1);
 247         }
 248       kd.languages = languages;
 249       kd.nlanguages = nlanguages;
 250       repo_write(repo, fp, keyfilter_other, &kd, fileinfos, nfileinfos);
 251       fclose(fp);
 252       for (i = 0; i < nlanguages; i++)
 253         free(languages[i]);
 254       sat_free(languages);
 255       for (i = 0; i < nfileinfos; i++)
 256         {
 257           sat_free(fileinfos[i].addedfileprovides);
 258           sat_free(fileinfos[i].location);
 259           sat_free(fileinfos[i].keys);
 260         }
 261       sat_free(fileinfos);
 262       return 0;
 263     }
 264   if (attrname)
 265     {
 266       fileinfos = sat_zextend(fileinfos, nfileinfos, 1, sizeof(Repodatafile), REPODATAFILE_BLOCK);
 267       test_separate = 1;
 268       FILE *fp = fopen (attrname, "w");
 269       repo_write(repo, fp, keyfilter_attr, 0, fileinfos + nfileinfos, 0);
 270       fileinfos[nfileinfos].location = strdup(attrname);
 271       fclose(fp);
 272       nfileinfos++;
 273     }
 274   repo_write(repo, stdout, keyfilter_solv, 0, fileinfos, nfileinfos);
 275   for (i = 0; i < nfileinfos; i++)
 276     {
 277       sat_free(fileinfos[i].addedfileprovides);
 278       sat_free(fileinfos[i].location);
 279       sat_free(fileinfos[i].keys);
 280     }
 281   sat_free(fileinfos);
 282   return 0;
 283 }