4 * Parses RedHat comps format
6 * Copyright (c) 2012, Novell Inc.
8 * This program is licensed under the BSD license, read LICENSE.BSD
9 * for further information
12 #include <sys/types.h>
29 #include "tools_util.h"
30 #include "repo_comps.h"
35 * what's the difference between group/category?
36 * handle "default" and "langonly".
38 * maybe handle REL_COND in solver recommends handling?
72 /* must be sorted by first column */
73 static struct stateswitch stateswitches[] = {
74 { STATE_START, "comps", STATE_COMPS, 0 },
75 { STATE_COMPS, "group", STATE_GROUP, 0 },
76 { STATE_COMPS, "category", STATE_CATEGORY, 0 },
77 { STATE_GROUP, "id", STATE_ID, 1 },
78 { STATE_GROUP, "name", STATE_NAME, 1 },
79 { STATE_GROUP, "description", STATE_DESCRIPTION, 1 },
80 { STATE_GROUP, "uservisible", STATE_USERVISIBLE, 1 },
81 { STATE_GROUP, "display_order", STATE_DISPLAY_ORDER, 1 },
82 { STATE_GROUP, "default", STATE_DEFAULT, 1 },
83 { STATE_GROUP, "langonly", STATE_LANGONLY, 1 },
84 { STATE_GROUP, "lang_only", STATE_LANG_ONLY, 1 },
85 { STATE_GROUP, "packagelist", STATE_PACKAGELIST, 0 },
86 { STATE_PACKAGELIST, "packagereq", STATE_PACKAGEREQ, 1 },
87 { STATE_CATEGORY, "id", STATE_CID, 1 },
88 { STATE_CATEGORY, "name", STATE_CNAME, 1 },
89 { STATE_CATEGORY, "description", STATE_CDESCRIPTION, 1 },
90 { STATE_CATEGORY , "grouplist", STATE_GROUPLIST, 0 },
91 { STATE_CATEGORY , "display_order", STATE_CDISPLAY_ORDER, 1 },
92 { STATE_GROUPLIST, "groupid", STATE_GROUPID, 1 },
110 struct stateswitch *swtab[NUMSTATES];
111 enum state sbtab[NUMSTATES];
120 Id langcache[ID_NUM_INTERNAL];
126 * find value for xml attribute
127 * I: txt, name of attribute
128 * I: atts, list of key/value attributes
130 * O: pointer to value of matching key, or NULL
134 static inline const char *
135 find_attr(const char *txt, const char **atts, int dup)
137 for (; *atts; atts += 2)
139 if (!strcmp(*atts, txt))
140 return dup ? solv_strdup(atts[1]) : atts[1];
147 * create localized tag
151 langtag(struct parsedata *pd, Id tag, const char *language)
153 if (language && !language[0])
155 if (!language || tag >= ID_NUM_INTERNAL || 1)
156 return pool_id2langid(pd->repo->pool, tag, language, 1);
157 if (!pd->langcache[tag])
158 pd->langcache[tag] = pool_id2langid(pd->repo->pool, tag, language, 1);
159 return pd->langcache[tag];
164 * XML callback: startElement
168 startElement(void *userData, const char *name, const char **atts)
170 struct parsedata *pd = userData;
171 Pool *pool = pd->pool;
172 Solvable *s = pd->solvable;
173 struct stateswitch *sw;
176 fprintf(stderr, "start: [%d]%s\n", pd->state, name);
178 if (pd->depth != pd->statedepth)
185 if (!pd->swtab[pd->state]) /* no statetable -> no substates */
188 fprintf(stderr, "into unknown: %s (from: %d)\n", name, pd->state);
192 for (sw = pd->swtab[pd->state]; sw->from == pd->state; sw++) /* find name in statetable */
193 if (!strcmp(sw->ename, name))
196 if (sw->from != pd->state)
199 fprintf(stderr, "into unknown: %s (from: %d)\n", name, pd->state);
204 pd->docontent = sw->docontent;
205 pd->statedepth = pd->depth;
213 s = pd->solvable = pool_id2solvable(pool, repo_add_solvable(pd->repo));
214 pd->handle = s - pool->solvables;
219 case STATE_DESCRIPTION:
220 case STATE_CDESCRIPTION:
221 pd->tmplang = find_attr("xml:lang", atts, 1);
224 case STATE_PACKAGEREQ:
226 const char *type = find_attr("type", atts, 0);
228 pd->reqtype = SOLVABLE_RECOMMENDS;
229 if (type && !strcmp(type, "conditional"))
231 const char *requires = find_attr("requires", atts, 0);
232 if (requires && *requires)
233 pd->condreq = pool_str2id(pool, requires, 1);
235 else if (type && !strcmp(type, "mandatory"))
236 pd->reqtype = SOLVABLE_REQUIRES;
237 else if (type && !strcmp(type, "optional"))
238 pd->reqtype = SOLVABLE_SUGGESTS;
249 endElement(void *userData, const char *name)
251 struct parsedata *pd = userData;
252 Solvable *s = pd->solvable;
256 fprintf(stderr, "end: [%d]%s\n", pd->state, name);
258 if (pd->depth != pd->statedepth)
262 fprintf(stderr, "back from unknown %d %d %d\n", pd->state, pd->depth, pd->statedepth);
275 s->arch = ARCH_NOARCH;
278 if (s->name && s->arch != ARCH_SRC && s->arch != ARCH_NOSRC)
279 s->provides = repo_addid_dep(pd->repo, s->provides, pool_rel2id(pd->pool, s->name, s->evr, REL_EQ, 1), 0);
285 s->name = pool_str2id(pd->pool, join2("pattern", ":", pd->content), 1);
290 repodata_set_str(pd->data, pd->handle, langtag(pd, SOLVABLE_SUMMARY, pd->tmplang), pd->content);
291 pd->tmplang = solv_free((void *)pd->tmplang);
294 case STATE_DESCRIPTION:
295 case STATE_CDESCRIPTION:
296 repodata_set_str(pd->data, pd->handle, langtag(pd, SOLVABLE_DESCRIPTION, pd->tmplang), pd->content);
297 pd->tmplang = solv_free((void *)pd->tmplang);
300 case STATE_PACKAGEREQ:
301 id = pool_str2id(pd->pool, pd->content, 1);
303 id = pool_rel2id(pd->pool, id, pd->condreq, REL_COND, 1);
304 repo_add_idarray(pd->repo, pd->handle, pd->reqtype, id);
308 id = pool_str2id(pd->pool, join2("pattern", ":", pd->content), 1);
309 s->requires = repo_addid_dep(pd->repo, s->requires, id, 0);
312 case STATE_USERVISIBLE:
313 repodata_set_void(pd->data, pd->handle, SOLVABLE_ISVISIBLE);
316 case STATE_DISPLAY_ORDER:
317 case STATE_CDISPLAY_ORDER:
318 repodata_set_str(pd->data, pd->handle, SOLVABLE_ORDER, pd->content);
325 case STATE_LANG_ONLY:
332 pd->state = pd->sbtab[pd->state];
336 fprintf(stderr, "end: [%s] -> %d\n", name, pd->state);
342 characterData(void *userData, const XML_Char *s, int len)
344 struct parsedata *pd = userData;
349 l = pd->lcontent + len + 1;
350 if (l > pd->acontent)
352 pd->content = solv_realloc(pd->content, l + 256);
353 pd->acontent = l + 256;
355 c = pd->content + pd->lcontent;
362 #define BUFF_SIZE 8192
366 repo_add_comps(Repo *repo, FILE *fp, int flags)
372 struct stateswitch *sw;
375 data = repo_add_repodata(repo, flags);
377 memset(&pd, 0, sizeof(pd));
379 pd.pool = repo->pool;
382 pd.content = solv_malloc(256);
385 for (i = 0, sw = stateswitches; sw->from != NUMSTATES; i++, sw++)
387 if (!pd.swtab[sw->from])
388 pd.swtab[sw->from] = sw;
389 pd.sbtab[sw->to] = sw->from;
392 parser = XML_ParserCreate(NULL);
393 XML_SetUserData(parser, &pd);
394 XML_SetElementHandler(parser, startElement, endElement);
395 XML_SetCharacterDataHandler(parser, characterData);
398 l = fread(buf, 1, sizeof(buf), fp);
399 if (XML_Parse(parser, buf, l, l == 0) == XML_STATUS_ERROR)
401 pool_debug(pd.pool, SOLV_ERROR, "%s at line %u:%u\n", XML_ErrorString(XML_GetErrorCode(parser)), (unsigned int)XML_GetCurrentLineNumber(parser), (unsigned int)XML_GetCurrentColumnNumber(parser));
407 XML_ParserFree(parser);
409 solv_free((void *)pd.tmplang);
410 solv_free(pd.content);
413 if (!(flags & REPO_NO_INTERNALIZE))
414 repodata_internalize(data);