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-rw-r--r--src/libopkg/.svn/text-base/pkg_parse.c.svn-base285
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diff --git a/src/libopkg/.svn/text-base/pkg_parse.c.svn-base b/src/libopkg/.svn/text-base/pkg_parse.c.svn-base
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-/* pkg_parse.c - the opkg package management system
-
- Copyright (C) 2009 Ubiq Technologies <graham.gower@gmail.com>
-
- Steven M. Ayer
- Copyright (C) 2002 Compaq Computer Corporation
-
- 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, 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.
-*/
-
-#include "config.h"
-
-#include <stdio.h>
-#include <ctype.h>
-
-#include "opkg_utils.h"
-#include "pkg_parse.h"
-#include "libbb/libbb.h"
-
-#include "parse_util.h"
-
-static void
-parse_status(pkg_t *pkg, const char *sstr)
-{
- char sw_str[64], sf_str[64], ss_str[64];
-
- if (sscanf(sstr, "Status: %63s %63s %63s",
- sw_str, sf_str, ss_str) != 3) {
- opkg_msg(ERROR, "Failed to parse Status line for %s\n",
- pkg->name);
- return;
- }
-
- pkg->state_want = pkg_state_want_from_str(sw_str);
- pkg->state_flag = pkg_state_flag_from_str(sf_str);
- pkg->state_status = pkg_state_status_from_str(ss_str);
-}
-
-static void
-parse_conffiles(pkg_t *pkg, const char *cstr)
-{
- char file_name[1024], md5sum[35];
-
- if (sscanf(cstr, "%1023s %34s", file_name, md5sum) != 2) {
- opkg_msg(ERROR, "Failed to parse Conffiles line for %s\n",
- pkg->name);
- return;
- }
-
- conffile_list_append(&pkg->conffiles, file_name, md5sum);
-}
-
-int
-parse_version(pkg_t *pkg, const char *vstr)
-{
- char *colon;
-
- if (strncmp(vstr, "Version:", 8) == 0)
- vstr += 8;
-
- while (*vstr && isspace(*vstr))
- vstr++;
-
- colon = strchr(vstr, ':');
- if (colon) {
- errno = 0;
- pkg->epoch = strtoul(vstr, NULL, 10);
- if (errno) {
- opkg_perror(ERROR, "%s: invalid epoch", pkg->name);
- }
- vstr = ++colon;
- } else {
- pkg->epoch= 0;
- }
-
- pkg->version = xstrdup(vstr);
- pkg->revision = strrchr(pkg->version,'-');
-
- if (pkg->revision)
- *pkg->revision++ = '\0';
-
- return 0;
-}
-
-static int
-get_arch_priority(const char *arch)
-{
- nv_pair_list_elt_t *l;
-
- list_for_each_entry(l , &conf->arch_list.head, node) {
- nv_pair_t *nv = (nv_pair_t *)l->data;
- if (strcmp(nv->name, arch) == 0)
- return strtol(nv->value, NULL, 0);
- }
- return 0;
-}
-
-int
-pkg_parse_line(void *ptr, const char *line, uint mask)
-{
- pkg_t *pkg = (pkg_t *) ptr;
-
- /* these flags are a bit hackish... */
- static int reading_conffiles = 0, reading_description = 0;
- int ret = 0;
-
- /* Exclude globally masked fields. */
- mask |= conf->pfm;
-
- /* Flip the semantics of the mask. */
- mask ^= PFM_ALL;
-
- switch (*line) {
- case 'A':
- if ((mask & PFM_ARCHITECTURE ) && is_field("Architecture", line)) {
- pkg->architecture = parse_simple("Architecture", line);
- pkg->arch_priority = get_arch_priority(pkg->architecture);
- } else if ((mask & PFM_AUTO_INSTALLED) && is_field("Auto-Installed", line)) {
- char *tmp = parse_simple("Auto-Installed", line);
- if (strcmp(tmp, "yes") == 0)
- pkg->auto_installed = 1;
- free(tmp);
- }
- break;
-
- case 'C':
- if ((mask & PFM_CONFFILES) && is_field("Conffiles", line)) {
- reading_conffiles = 1;
- reading_description = 0;
- goto dont_reset_flags;
- }
- else if ((mask & PFM_CONFLICTS) && is_field("Conflicts", line))
- pkg->conflicts_str = parse_list(line, &pkg->conflicts_count, ',', 0);
- break;
-
- case 'D':
- if ((mask & PFM_DESCRIPTION) && is_field("Description", line)) {
- pkg->description = parse_simple("Description", line);
- reading_conffiles = 0;
- reading_description = 1;
- goto dont_reset_flags;
- } else if ((mask & PFM_DEPENDS) && is_field("Depends", line))
- pkg->depends_str = parse_list(line, &pkg->depends_count, ',', 0);
- break;
-
- case 'E':
- if((mask & PFM_ESSENTIAL) && is_field("Essential", line)) {
- char *tmp = parse_simple("Essential", line);
- if (strcmp(tmp, "yes") == 0)
- pkg->essential = 1;
- free(tmp);
- }
- break;
-
- case 'F':
- if((mask & PFM_FILENAME) && is_field("Filename", line))
- pkg->filename = parse_simple("Filename", line);
- break;
-
- case 'I':
- if ((mask & PFM_INSTALLED_SIZE) && is_field("Installed-Size", line)) {
- char *tmp = parse_simple("Installed-Size", line);
- pkg->installed_size = strtoul(tmp, NULL, 0);
- free (tmp);
- } else if ((mask & PFM_INSTALLED_TIME) && is_field("Installed-Time", line)) {
- char *tmp = parse_simple("Installed-Time", line);
- pkg->installed_time = strtoul(tmp, NULL, 0);
- free (tmp);
- }
- break;
-
- case 'M':
- if ((mask & PFM_MD5SUM) && is_field("MD5sum:", line))
- pkg->md5sum = parse_simple("MD5sum", line);
- /* The old opkg wrote out status files with the wrong
- * case for MD5sum, let's parse it either way */
- else if ((mask & PFM_MD5SUM) && is_field("MD5Sum:", line))
- pkg->md5sum = parse_simple("MD5Sum", line);
- else if((mask & PFM_MAINTAINER) && is_field("Maintainer", line))
- pkg->maintainer = parse_simple("Maintainer", line);
- break;
-
- case 'P':
- if ((mask & PFM_PACKAGE) && is_field("Package", line))
- pkg->name = parse_simple("Package", line);
- else if ((mask & PFM_PRIORITY) && is_field("Priority", line))
- pkg->priority = parse_simple("Priority", line);
- else if ((mask & PFM_PROVIDES) && is_field("Provides", line))
- pkg->provides_str = parse_list(line, &pkg->provides_count, ',', 0);
- else if ((mask & PFM_PRE_DEPENDS) && is_field("Pre-Depends", line))
- pkg->pre_depends_str = parse_list(line, &pkg->pre_depends_count, ',', 0);
- break;
-
- case 'R':
- if ((mask & PFM_RECOMMENDS) && is_field("Recommends", line))
- pkg->recommends_str = parse_list(line, &pkg->recommends_count, ',', 0);
- else if ((mask & PFM_REPLACES) && is_field("Replaces", line))
- pkg->replaces_str = parse_list(line, &pkg->replaces_count, ',', 0);
-
- break;
-
- case 'S':
- if ((mask & PFM_SECTION) && is_field("Section", line))
- pkg->section = parse_simple("Section", line);
-#ifdef HAVE_SHA256
- else if ((mask & PFM_SHA256SUM) && is_field("SHA256sum", line))
- pkg->sha256sum = parse_simple("SHA256sum", line);
-#endif
- else if ((mask & PFM_SIZE) && is_field("Size", line)) {
- char *tmp = parse_simple("Size", line);
- pkg->size = strtoul(tmp, NULL, 0);
- free (tmp);
- } else if ((mask & PFM_SOURCE) && is_field("Source", line))
- pkg->source = parse_simple("Source", line);
- else if ((mask & PFM_STATUS) && is_field("Status", line))
- parse_status(pkg, line);
- else if ((mask & PFM_SUGGESTS) && is_field("Suggests", line))
- pkg->suggests_str = parse_list(line, &pkg->suggests_count, ',', 0);
- break;
-
- case 'T':
- if ((mask & PFM_TAGS) && is_field("Tags", line))
- pkg->tags = parse_simple("Tags", line);
- break;
-
- case 'V':
- if ((mask & PFM_VERSION) && is_field("Version", line))
- parse_version(pkg, line);
- break;
-
- case ' ':
- if ((mask & PFM_DESCRIPTION) && reading_description) {
- pkg->description = xrealloc(pkg->description,
- strlen(pkg->description)
- + 1 + strlen(line) + 1);
- strcat(pkg->description, "\n");
- strcat(pkg->description, (line));
- goto dont_reset_flags;
- } else if ((mask & PFM_CONFFILES) && reading_conffiles) {
- parse_conffiles(pkg, line);
- goto dont_reset_flags;
- }
-
- /* FALLTHROUGH */
- default:
- /* For package lists, signifies end of package. */
- if(line_is_blank(line)) {
- ret = 1;
- break;
- }
- }
-
- reading_description = 0;
- reading_conffiles = 0;
-
-dont_reset_flags:
-
- return ret;
-}
-
-int
-pkg_parse_from_stream(pkg_t *pkg, FILE *fp, uint mask)
-{
- int ret;
- char *buf;
- const size_t len = 4096;
-
- buf = xmalloc(len);
- ret = parse_from_stream_nomalloc(pkg_parse_line, pkg, fp, mask, &buf, len);
- if (pkg->name == NULL) {
- /* probably just a blank line */
- ret = 1;
- }
- free(buf);
-
- return ret;
-}