--- /dev/null
+/*
+ * repo_zyppdb.c
+ *
+ * Parses /var/lib/zypp/db/products/...
+ * The are old (pre Code11) products. See bnc#429177
+ *
+ *
+ * Copyright (c) 2008, Novell Inc.
+ *
+ * This program is licensed under the BSD license, read LICENSE.BSD
+ * for further information
+ */
+
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <unistd.h>
+#include <limits.h>
+#include <fcntl.h>
+#include <ctype.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <assert.h>
+#include <dirent.h>
+#include <expat.h>
+
+#include "pool.h"
+#include "repo.h"
+#include "util.h"
+#define DISABLE_SPLIT
+#include "tools_util.h"
+#include "repo_content.h"
+
+
+//#define DUMPOUT 0
+
+enum state {
+ STATE_START, // 0
+ STATE_PRODUCT, // 1
+ STATE_NAME, // 2
+ STATE_VERSION, // 3
+ STATE_ARCH, // 4
+ STATE_SUMMARY, // 5
+ STATE_VENDOR, // 6
+ STATE_INSTALLTIME, // 7
+ NUMSTATES // 0
+};
+
+struct stateswitch {
+ enum state from;
+ char *ename;
+ enum state to;
+ int docontent;
+};
+
+/* !! must be sorted by first column !! */
+static struct stateswitch stateswitches[] = {
+ { STATE_START, "product", STATE_PRODUCT, 0 },
+ { STATE_PRODUCT, "name", STATE_NAME, 1 },
+ { STATE_PRODUCT, "version", STATE_VERSION, 0 },
+ { STATE_PRODUCT, "arch", STATE_ARCH, 1 },
+ { STATE_PRODUCT, "summary", STATE_SUMMARY, 1 },
+ { STATE_PRODUCT, "install-time", STATE_INSTALLTIME, 1 },
+ { STATE_PRODUCT, "vendor", STATE_VENDOR, 1 },
+ { NUMSTATES }
+};
+
+struct parsedata {
+ int depth;
+ enum state state;
+ int statedepth;
+ char *content;
+ int lcontent;
+ int acontent;
+ int docontent;
+ Pool *pool;
+ Repo *repo;
+ Repodata *data;
+
+ struct stateswitch *swtab[NUMSTATES];
+ enum state sbtab[NUMSTATES];
+
+ const char *tmplang;
+
+ Solvable *solvable;
+ Id handle;
+
+ Id langcache[ID_NUM_INTERNAL];
+};
+
+
+/*
+ * find_attr
+ * find value for xml attribute
+ * I: txt, name of attribute
+ * I: atts, list of key/value attributes
+ * I: dup, strdup it
+ * O: pointer to value of matching key, or NULL
+ *
+ */
+
+static inline const char *
+find_attr(const char *txt, const char **atts, int dup)
+{
+ for (; *atts; atts += 2)
+ {
+ if (!strcmp(*atts, txt))
+ return dup ? strdup(atts[1]) : atts[1];
+ }
+ return 0;
+}
+
+
+/*
+ * create localized tag
+ */
+
+static Id
+langtag(struct parsedata *pd, Id tag, const char *language)
+{
+ if (language && !language[0])
+ language = 0;
+ if (!language || tag >= ID_NUM_INTERNAL)
+ return pool_id2langid(pd->repo->pool, tag, language, 1);
+ if (!pd->langcache[tag])
+ pd->langcache[tag] = pool_id2langid(pd->repo->pool, tag, language, 1);
+ return pd->langcache[tag];
+}
+
+
+/*
+ * XML callback: startElement
+ */
+
+static void XMLCALL
+startElement(void *userData, const char *name, const char **atts)
+{
+ struct parsedata *pd = userData;
+ Pool *pool = pd->pool;
+ Solvable *s = pd->solvable;
+ struct stateswitch *sw;
+
+#if 0
+ fprintf(stderr, "start: [%d]%s\n", pd->state, name);
+#endif
+ if (pd->depth != pd->statedepth)
+ {
+ pd->depth++;
+ return;
+ }
+
+ pd->depth++;
+ if (!pd->swtab[pd->state]) /* no statetable -> no substates */
+ {
+#if 0
+ fprintf(stderr, "into unknown: %s (from: %d)\n", name, pd->state);
+#endif
+ return;
+ }
+ for (sw = pd->swtab[pd->state]; sw->from == pd->state; sw++) /* find name in statetable */
+ if (!strcmp(sw->ename, name))
+ break;
+
+ if (sw->from != pd->state)
+ {
+#if 0
+ fprintf(stderr, "into unknown: %s (from: %d)\n", name, pd->state);
+#endif
+ return;
+ }
+ pd->state = sw->to;
+ pd->docontent = sw->docontent;
+ pd->statedepth = pd->depth;
+ pd->lcontent = 0;
+ *pd->content = 0;
+
+ switch(pd->state)
+ {
+ case STATE_PRODUCT:
+ {
+ /* parse 'type' */
+ const char *type = find_attr("type", atts, 0);
+ s = pd->solvable = pool_id2solvable(pool, repo_add_solvable(pd->repo));
+ repodata_extend(pd->data, s - pool->solvables);
+ pd->handle = repodata_get_handle(pd->data, (s - pool->solvables) - pd->repo->start);
+ if (type)
+ {
+ repodata_set_str(pd->data, pd->handle, PRODUCT_TYPE, type);
+ }
+ }
+ break;
+ case STATE_VERSION:
+ {
+ const char *ver = find_attr("ver", atts, 0);
+ const char *rel = find_attr("rel", atts, 0);
+ /* const char *epoch = find_attr("epoch", atts, 1); ignored */
+ s->evr = makeevr(pd->pool, join2(ver, "-", rel));
+ }
+ break;
+ /* <summary lang="xy">... */
+ case STATE_SUMMARY:
+ pd->tmplang = find_attr("lang", atts, 1);
+ break;
+ default:
+ break;
+ }
+}
+
+
+static void XMLCALL
+endElement(void *userData, const char *name)
+{
+ struct parsedata *pd = userData;
+ Solvable *s = pd->solvable;
+
+#if 0
+ fprintf(stderr, "end: [%d]%s\n", pd->state, name);
+#endif
+ if (pd->depth != pd->statedepth)
+ {
+ pd->depth--;
+#if 0
+ fprintf(stderr, "back from unknown %d %d %d\n", pd->state, pd->depth, pd->statedepth);
+#endif
+ return;
+ }
+
+ pd->depth--;
+ pd->statedepth--;
+
+ switch (pd->state)
+ {
+ case STATE_PRODUCT:
+
+ if (!s->arch)
+ s->arch = ARCH_NOARCH;
+ if (s->arch != ARCH_SRC && s->arch != ARCH_NOSRC)
+ s->provides = repo_addid_dep(pd->repo, s->provides, rel2id(pd->pool, s->name, s->evr, REL_EQ, 1), 0);
+ pd->solvable = 0;
+ break;
+ case STATE_NAME:
+ s->name = str2id(pd->pool, join2("product", ":", pd->content), 1);
+ break;
+ case STATE_ARCH:
+ s->arch = str2id(pd->pool, pd->content, 1);
+ break;
+ case STATE_SUMMARY:
+ repodata_set_str(pd->data, pd->handle, langtag(pd, SOLVABLE_SUMMARY, pd->tmplang), pd->content);
+ pd->tmplang = sat_free((void *)pd->tmplang);
+ break;
+ case STATE_VENDOR:
+ s->vendor = str2id(pd->pool, pd->content, 1);
+ break;
+ case STATE_INSTALLTIME:
+ repodata_set_num(pd->data, pd->handle, SOLVABLE_INSTALLTIME, atol(pd->content));
+ default:
+ break;
+ }
+
+ pd->state = pd->sbtab[pd->state];
+ pd->docontent = 0;
+
+#if 0
+ fprintf(stderr, "end: [%s] -> %d\n", name, pd->state);
+#endif
+}
+
+
+static void XMLCALL
+characterData(void *userData, const XML_Char *s, int len)
+{
+ struct parsedata *pd = userData;
+ int l;
+ char *c;
+ if (!pd->docontent) {
+#if 0
+ char *dup = strndup( s, len );
+ fprintf(stderr, "Content: [%d]'%s'\n", pd->state, dup );
+ free( dup );
+#endif
+ return;
+ }
+ l = pd->lcontent + len + 1;
+ if (l > pd->acontent)
+ {
+ pd->content = realloc(pd->content, l + 256);
+ pd->acontent = l + 256;
+ }
+ c = pd->content + pd->lcontent;
+ pd->lcontent += len;
+ while (len-- > 0)
+ *c++ = *s++;
+ *c = 0;
+}
+
+#define BUFF_SIZE 8192
+
+
+/*
+ * add single product to repo
+ *
+ */
+
+static void
+repo_add_product(struct parsedata *pd, Repodata *data, FILE *fp)
+{
+ char buf[BUFF_SIZE];
+ int l;
+
+ XML_Parser parser = XML_ParserCreate(NULL);
+ XML_SetUserData(parser, pd);
+ XML_SetElementHandler(parser, startElement, endElement);
+ XML_SetCharacterDataHandler(parser, characterData);
+
+ for (;;)
+ {
+ l = fread(buf, 1, sizeof(buf), fp);
+ if (XML_Parse(parser, buf, l, l == 0) == XML_STATUS_ERROR)
+ {
+ fprintf(stderr, "repo_zyppdb: %s at line %u:%u\n", XML_ErrorString(XML_GetErrorCode(parser)), (unsigned int)XML_GetCurrentLineNumber(parser), (unsigned int)XML_GetCurrentColumnNumber(parser));
+ exit(1);
+ }
+ if (l == 0)
+ break;
+ }
+ XML_ParserFree(parser);
+ return;
+}
+
+
+
+/*
+ * parse dir for products
+ */
+
+static void
+parse_dir(DIR *dir, const char *path, struct parsedata *pd, Repodata *repodata)
+{
+ struct dirent *entry;
+
+ while ((entry = readdir(dir)))
+ {
+ int len = strlen(entry->d_name);
+ if (len < 3) /* skip '.' and '..' */
+ continue;
+ char *fullpath = join2(path, "/", entry->d_name);
+ FILE *fp = fopen(fullpath, "r");
+ if (!fp)
+ {
+ perror(fullpath);
+ break;
+ }
+ repo_add_product(pd, repodata, fp);
+ fclose(fp);
+ }
+}
+
+
+/*
+ * read all installed products
+ *
+ * parse each one as a product
+ */
+
+void
+repo_add_zyppdb_products(Repo *repo, Repodata *repodata, const char *fullpath, DIR *dir)
+{
+ int i;
+ struct parsedata pd;
+ struct stateswitch *sw;
+
+ memset(&pd, 0, sizeof(pd));
+ pd.repo = repo;
+ pd.pool = repo->pool;
+ pd.data = repodata;
+
+ pd.content = malloc(256);
+ pd.acontent = 256;
+
+ for (i = 0, sw = stateswitches; sw->from != NUMSTATES; i++, sw++)
+ {
+ if (!pd.swtab[sw->from])
+ pd.swtab[sw->from] = sw;
+ pd.sbtab[sw->to] = sw->from;
+ }
+
+ parse_dir(dir, fullpath, &pd, repodata);
+
+ sat_free((void *)pd.tmplang);
+ free(pd.content);
+ join_freemem();
+}
+
+/* EOF */
projects / platform / upstream / libsolv.git / commitdiff