From 4b0b7ca249bfa4ecc099c2ca56527eb91776f198 Mon Sep 17 00:00:00 2001 From: ticktock35 Date: Sun, 14 Dec 2008 23:25:08 -0500 Subject: opkg: re-arrange source code into sub-directories git-svn-id: http://opkg.googlecode.com/svn/trunk@33 e8e0d7a0-c8d9-11dd-a880-a1081c7ac358 --- (limited to 'pkg_parse.c') diff --git a/pkg_parse.c b/pkg_parse.c deleted file mode 100644 index 0bb4433..0000000 --- a/pkg_parse.c +++ /dev/null @@ -1,413 +0,0 @@ -/* pkg_parse.c - the itsy package management system - - 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 "opkg.h" -#include -#include - -#include "pkg.h" -#include "opkg_utils.h" -#include "pkg_parse.h" - -int isGenericFieldType(char * type, char * line) -{ - if(!strncmp(line, type, strlen(type))) - return 1; - return 0; -} - -char * parseGenericFieldType(char * type, char * raw) -{ - char * field_value = raw + (strlen(type) + 1); - return trim_alloc(field_value); -} - -void parseStatus(pkg_t *pkg, char * raw) -{ - char sw_str[64], sf_str[64], ss_str[64]; - - sscanf(raw, "Status: %s %s %s", sw_str, sf_str, ss_str); - 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); -} - -char ** parseDependsString(char * raw, int * depends_count) -{ - char ** depends = NULL; - int line_count = 0; - char buff[2048], * dest; - - while(raw && *raw && !isspace(*raw)) { - raw++; - } - - if(line_is_blank(raw)){ - *depends_count = line_count; - return NULL; - } - while(raw && *raw){ - depends = (char **)realloc(depends, sizeof(char *) * (line_count + 1)); - - while(isspace(*raw)) raw++; - - dest = buff; - while((*raw != ',') && *raw) - *dest++ = *raw++; - - *dest = '\0'; - depends[line_count] = trim_alloc(buff); - if(depends[line_count] ==NULL) - return NULL; - line_count++; - if(*raw == ',') - raw++; - } - *depends_count = line_count; - return depends; -} - -void parseConffiles(pkg_t * pkg, char * raw) -{ - char file_name[1048], md5sum[1048]; /* please tell me there aren't any longer that 1k */ - - if(!strncmp(raw, "Conffiles:", 10)) - raw += strlen("Conffiles:"); - - while(*raw && (sscanf(raw, "%s%s", file_name, md5sum) == 2)){ - conffile_list_append(&pkg->conffiles, file_name, md5sum); - /* fprintf(stderr, "%s %s ", file_name, md5sum);*/ - while (*raw && isspace(*raw)) { - raw++; - } - raw += strlen(file_name); - while (*raw && isspace(*raw)) { - raw++; - } - raw += strlen(md5sum); - } -} - -int parseVersion(pkg_t *pkg, char *raw) -{ - char *colon, *eepochcolon; -#ifdef USE_DEBVERSION - char *hyphen; -#endif - unsigned long epoch; - - if (!*raw) { - fprintf(stderr, "%s: ERROR: version string is empty", __FUNCTION__); - return EINVAL; - } - - if (strncmp(raw, "Version:", 8) == 0) { - raw += 8; - } - while (*raw && isspace(*raw)) { - raw++; - } - - colon= strchr(raw,':'); - if (colon) { - epoch= strtoul(raw,&eepochcolon,10); - if (colon != eepochcolon) { - fprintf(stderr, "%s: ERROR: epoch in version is not number", __FUNCTION__); - return EINVAL; - } - if (!*++colon) { - fprintf(stderr, "%s: ERROR: nothing after colon in version number", __FUNCTION__); - return EINVAL; - } - raw= colon; - pkg->epoch= epoch; - } else { - pkg->epoch= 0; - } - - pkg->revision = ""; - pkg->familiar_revision = ""; - - pkg->version= malloc(strlen(raw)+1); - if ( pkg->version == NULL ) { - fprintf(stderr, "%s: out of memory \n", __FUNCTION__); - return ENOMEM; - } - strcpy(pkg->version, raw); - -#ifdef USE_DEBVERSION - hyphen= strrchr(pkg->version,'-'); - - if (hyphen) { - *hyphen++= 0; - if (strncmp("fam", hyphen, 3) == 0) { - pkg->familiar_revision=hyphen+3; - hyphen= strrchr(pkg->version,'-'); - if (hyphen) { - *hyphen++= 0; - pkg->revision = hyphen; - } - } else { - pkg->revision = hyphen; - } - } -#endif - -/* - fprintf(stderr,"Parsed version: %lu, %s, %s, %s\n", - pkg->epoch, - pkg->version, - pkg->revision, - pkg->familiar_revision); -*/ - - return 0; -} - - -/* This code is needed to insert in first position the keyword for the aligning bug */ - -int alterProvidesLine(char *raw, char *temp) -{ - - - if (!*raw) { - fprintf(stderr, "%s: ERROR: Provides string is empty", __FUNCTION__); - return -EINVAL; - } - - if ( temp == NULL ) { - fprintf(stderr, "%s: out of memory \n", __FUNCTION__); - return -ENOMEM; - } - - if (strncmp(raw, "Provides:", 9) == 0) { - raw += 9; - } - while (*raw && isspace(*raw)) { - raw++; - } - - snprintf ( temp, 35, "Provides: opkg_internal_use_only, "); /* First part of the line */ - while (*raw) { - strncat( temp, raw++, 1); - } - return 0; - -} - -/* Some random thoughts from Carl: - - This function could be considerably simplified if we just kept - an array of all the generic string-valued field names, and looped - through those looking for a match. Also, these fields could perhaps - be stored in the package as an array as well, (or, probably better, - as an nv_pair_list_t). - - Fields which require special parsing or storage, (such as Depends: - and Status:) could be handled as they are now. -*/ -/* XXX: FEATURE: The Suggests: field needs to be changed from a string - to a dependency list. And, since we already have - Depends/Pre-Depends and need to add Conflicts, Recommends, and - Enhances, perhaps we could generalize all of these and save some - code duplication. -*/ -int pkg_parse_raw(pkg_t *pkg, char ***raw, pkg_src_t *src, pkg_dest_t *dest) -{ - int reading_conffiles, reading_description; - int pkg_false_provides=1; - char ** lines; - char * provide=NULL; - - pkg->src = src; - pkg->dest = dest; - - reading_conffiles = reading_description = 0; - - for (lines = *raw; *lines; lines++) { - /* fprintf(stderr, "PARSING %s\n", *lines);*/ - switch (**lines) { - case 'P': - if(isGenericFieldType("Package:", *lines)) - pkg->name = parseGenericFieldType("Package", *lines); - else if(isGenericFieldType("Priority:", *lines)) - pkg->priority = parseGenericFieldType("Priority", *lines); - else if(isGenericFieldType("Provides", *lines)){ -/* Here we add the internal_use to align the off by one problem between provides_str and provides */ - provide = (char * ) malloc(strlen(*lines)+ 35 ); /* Preparing the space for the new opkg_internal_use_only */ - if ( alterProvidesLine(*lines,provide) ){ - return EINVAL; - } - pkg->provides_str = parseDependsString( provide, &pkg->provides_count); -/* Let's try to hack a bit here. - The idea is that if a package has no Provides, we would add one generic, to permit the check of dependencies - in alot of other places. We will remove it before writing down the status database */ - pkg_false_provides=0; - free(provide); - } - else if(isGenericFieldType("Pre-Depends", *lines)) - pkg->pre_depends_str = parseDependsString(*lines, &pkg->pre_depends_count); - break; - - case 'A': - if(isGenericFieldType("Architecture:", *lines)) - pkg->architecture = parseGenericFieldType("Architecture", *lines); - else if(isGenericFieldType("Auto-Installed:", *lines)) { - char *auto_installed_value; - auto_installed_value = parseGenericFieldType("Auto-Installed:", *lines); - if (strcmp(auto_installed_value, "yes") == 0) { - pkg->auto_installed = 1; - } - free(auto_installed_value); - } - break; - - case 'F': - if(isGenericFieldType("Filename:", *lines)) - pkg->filename = parseGenericFieldType("Filename", *lines); - break; - - case 'S': - if(isGenericFieldType("Section:", *lines)) - pkg->section = parseGenericFieldType("Section", *lines); - else if(isGenericFieldType("Size:", *lines)) - pkg->size = parseGenericFieldType("Size", *lines); - else if(isGenericFieldType("Source:", *lines)) - pkg->source = parseGenericFieldType("Source", *lines); - else if(isGenericFieldType("Status", *lines)) - parseStatus(pkg, *lines); - else if(isGenericFieldType("Suggests", *lines)) - pkg->suggests_str = parseDependsString(*lines, &pkg->suggests_count); - break; - - case 'M': - if(isGenericFieldType("MD5sum:", *lines)) - pkg->md5sum = parseGenericFieldType("MD5sum", *lines); - /* The old opkg wrote out status files with the wrong case for MD5sum, - let's parse it either way */ - else if(isGenericFieldType("MD5Sum:", *lines)) - pkg->md5sum = parseGenericFieldType("MD5Sum", *lines); - else if(isGenericFieldType("Maintainer", *lines)) - pkg->maintainer = parseGenericFieldType("Maintainer", *lines); - break; - - case 'I': - if(isGenericFieldType("Installed-Size:", *lines)) - pkg->installed_size = parseGenericFieldType("Installed-Size", *lines); - else if(isGenericFieldType("Installed-Time:", *lines)) { - char *time_str = parseGenericFieldType("Installed-Time", *lines); - pkg->installed_time = strtoul(time_str, NULL, 0); - } - break; - - case 'E': - if(isGenericFieldType("Essential:", *lines)) { - char *essential_value; - essential_value = parseGenericFieldType("Essential", *lines); - if (strcmp(essential_value, "yes") == 0) { - pkg->essential = 1; - } - free(essential_value); - } - break; - - case 'V': - if(isGenericFieldType("Version", *lines)) - parseVersion(pkg, *lines); - break; - - case 'C': - if(isGenericFieldType("Conffiles", *lines)){ - parseConffiles(pkg, *lines); - reading_conffiles = 1; - } - else if(isGenericFieldType("Conflicts", *lines)) - pkg->conflicts_str = parseDependsString(*lines, &pkg->conflicts_count); - break; - - case 'D': - if(isGenericFieldType("Description", *lines)) { - pkg->description = parseGenericFieldType("Description", *lines); - reading_conffiles = 0; - reading_description = 1; - } - else if(isGenericFieldType("Depends", *lines)) - pkg->depends_str = parseDependsString(*lines, &pkg->depends_count); - break; - - case 'R': - if(isGenericFieldType("Recommends", *lines)) - pkg->recommends_str = parseDependsString(*lines, &pkg->recommends_count); - else if(isGenericFieldType("Replaces", *lines)) - pkg->replaces_str = parseDependsString(*lines, &pkg->replaces_count); - - break; - - case ' ': - if(reading_description) { - /* we already know it's not blank, so the rest of description */ - pkg->description = realloc(pkg->description, - strlen(pkg->description) - + 1 + strlen(*lines) + 1); - strcat(pkg->description, "\n"); - strcat(pkg->description, (*lines)); - } - else if(reading_conffiles) - parseConffiles(pkg, *lines); - - break; - - default: - if(line_is_blank(*lines)) { - lines++; - goto out; - } - } - } -out:; - - *raw = lines; -/* If the ipk has not a Provides line, we insert our false line */ - if ( pkg_false_provides==1) - pkg->provides_str = parseDependsString ((char *)"Provides: opkg_internal_use_only ", &pkg->provides_count); - - if (pkg->name) { - return 0; - } else { - return EINVAL; - } -} - -int pkg_valorize_other_field(pkg_t *pkg, char ***raw) -{ - char ** lines; - - for (lines = *raw; *lines; lines++) { - if(isGenericFieldType("Essential:", *lines)) { - char *essential_value; - essential_value = parseGenericFieldType("Essential", *lines); - if (strcmp(essential_value, "yes") == 0) { - pkg->essential = 1; - } - free(essential_value); - } - } - *raw = lines; - - return 0; -} -- cgit v0.9.1