diff options
Diffstat (limited to 'dependency.c')
| -rw-r--r-- | dependency.c | 233 |
1 files changed, 0 insertions, 233 deletions
diff --git a/dependency.c b/dependency.c deleted file mode 100644 index 8007f27..0000000 --- a/dependency.c +++ /dev/null @@ -1,233 +0,0 @@ -/* - * dependency.c - * dependency parsing and management - * - * Copyright (c) 2011, 2012, 2013 pkgconf authors (see AUTHORS). - * - * Permission to use, copy, modify, and/or distribute this software for any - * purpose with or without fee is hereby granted, provided that the above - * copyright notice and this permission notice appear in all copies. - * - * This software is provided 'as is' and without any warranty, express or - * implied. In no event shall the authors be liable for any damages arising - * from the use of this software. - */ - -#include "pkg.h" -#include "bsdstubs.h" - -/* - * pkg_dependency_parse(pkg, depends) - * - * Add requirements to a .pc file. - * Commas are counted as whitespace, as to allow: - * @SUBSTVAR@, zlib - * getting substituted to: - * , zlib. - */ -typedef enum { - OUTSIDE_MODULE = 0, - INSIDE_MODULE_NAME = 1, - BEFORE_OPERATOR = 2, - INSIDE_OPERATOR = 3, - AFTER_OPERATOR = 4, - INSIDE_VERSION = 5 -} parse_state_t; - -#define DEBUG_PARSE 0 - -static inline pkg_dependency_t * -pkg_dependency_add(pkg_list_t *list, const char *package, size_t package_sz, const char *version, size_t version_sz, pkg_comparator_t compare) -{ - pkg_dependency_t *dep; - - dep = calloc(sizeof(pkg_dependency_t), 1); - dep->package = strndup(package, package_sz); - - if (version_sz != 0) - dep->version = strndup(version, version_sz); - - dep->compare = compare; - - pkg_node_insert_tail(&dep->iter, dep, list); - -#if DEBUG_PARSE - fprintf(error_msgout, "--> %s %d %s\n", dep->package, dep->compare, dep->version); -#endif - - return dep; -} - -void -pkg_dependency_append(pkg_list_t *list, pkg_dependency_t *tail) -{ - pkg_node_insert_tail(&tail->iter, tail, list); -} - -void -pkg_dependency_free(pkg_list_t *list) -{ - pkg_node_t *node, *next; - - PKG_FOREACH_LIST_ENTRY_SAFE(list->head, next, node) - { - pkg_dependency_t *dep = node->data; - - if (dep->package != NULL) - free(dep->package); - - if (dep->version != NULL) - free(dep->version); - - free(dep); - } -} - -void -pkg_dependency_parse_str(pkg_list_t *deplist_head, const char *depends) -{ - parse_state_t state = OUTSIDE_MODULE; - pkg_comparator_t compare = PKG_ANY; - char cmpname[PKG_BUFSIZE]; - char buf[PKG_BUFSIZE]; - size_t package_sz = 0, version_sz = 0; - char *start = buf; - char *ptr = buf; - char *vstart = NULL; - char *package = NULL, *version = NULL; - char *cnameptr = cmpname; - - memset(cmpname, '\0', sizeof cmpname); - - strlcpy(buf, depends, sizeof buf); - strlcat(buf, " ", sizeof buf); - - while (*ptr) - { - switch (state) - { - case OUTSIDE_MODULE: - if (!PKG_MODULE_SEPARATOR(*ptr)) - state = INSIDE_MODULE_NAME; - - break; - - case INSIDE_MODULE_NAME: - if (isspace(*ptr)) - { - const char *sptr = ptr; - - while (*sptr && isspace(*sptr)) - sptr++; - - if (*sptr == '\0') - state = OUTSIDE_MODULE; - else if (PKG_MODULE_SEPARATOR(*sptr)) - state = OUTSIDE_MODULE; - else if (PKG_OPERATOR_CHAR(*sptr)) - state = BEFORE_OPERATOR; - else - state = OUTSIDE_MODULE; - } - else if (PKG_MODULE_SEPARATOR(*ptr)) - state = OUTSIDE_MODULE; - else if (*(ptr + 1) == '\0') - { - ptr++; - state = OUTSIDE_MODULE; - } - - if (state != INSIDE_MODULE_NAME && start != ptr) - { - char *iter = start; - - while (PKG_MODULE_SEPARATOR(*iter)) - iter++; - - package = iter; - package_sz = ptr - iter; -#if DEBUG_PARSE - fprintf(error_msgout, "Found package: %s\n", package); -#endif - start = ptr; - } - - if (state == OUTSIDE_MODULE) - { - pkg_dependency_add(deplist_head, package, package_sz, NULL, 0, compare); - - compare = PKG_ANY; - package_sz = 0; - version_sz = 0; - } - - break; - - case BEFORE_OPERATOR: - if (PKG_OPERATOR_CHAR(*ptr)) - { - state = INSIDE_OPERATOR; - *cnameptr++ = *ptr; - } - - break; - - case INSIDE_OPERATOR: - if (!PKG_OPERATOR_CHAR(*ptr)) - { - state = AFTER_OPERATOR; - compare = pkg_comparator_lookup_by_name(cmpname); - } - else - *cnameptr++ = *ptr; - - break; - - case AFTER_OPERATOR: -#if DEBUG_PARSE - fprintf(error_msgout, "Found op: %d\n", compare); -#endif - - if (!isspace(*ptr)) - { - vstart = ptr; - state = INSIDE_VERSION; - } - break; - - case INSIDE_VERSION: - if (PKG_MODULE_SEPARATOR(*ptr) || *(ptr + 1) == '\0') - { - version = vstart; - version_sz = ptr - vstart; - state = OUTSIDE_MODULE; - -#if DEBUG_PARSE - fprintf(error_msgout, "Found version: %s\n", version); -#endif - pkg_dependency_add(deplist_head, package, package_sz, version, version_sz, compare); - - compare = PKG_ANY; - cnameptr = cmpname; - memset(cmpname, 0, sizeof cmpname); - package_sz = 0; - version_sz = 0; - } - - if (state == OUTSIDE_MODULE) - start = ptr; - break; - } - - ptr++; - } -} - -void -pkg_dependency_parse(pkg_t *pkg, pkg_list_t *deplist, const char *depends) -{ - char *kvdepends = pkg_tuple_parse(&pkg->vars, depends); - - pkg_dependency_parse_str(deplist, kvdepends); - free(kvdepends); -} |