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/* pkg_depends.h - the opkg 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.
*/
#ifndef PKG_DEPENDS_H
#define PKG_DEPENDS_H
#include "pkg.h"
#include "pkg_hash.h"
enum depend_type {
PREDEPEND,
DEPEND,
CONFLICTS,
GREEDY_DEPEND,
RECOMMEND,
SUGGEST
};
typedef enum depend_type depend_type_t;
enum version_constraint {
NONE,
EARLIER,
EARLIER_EQUAL,
EQUAL,
LATER_EQUAL,
LATER
};
typedef enum version_constraint version_constraint_t;
struct depend{
version_constraint_t constraint;
char * version;
abstract_pkg_t * pkg;
};
typedef struct depend depend_t;
struct compound_depend{
depend_type_t type;
int possibility_count;
struct depend ** possibilities;
};
typedef struct compound_depend compound_depend_t;
void buildProvides(abstract_pkg_t * ab_pkg, pkg_t * pkg);
void buildConflicts(pkg_t * pkg);
void buildReplaces(abstract_pkg_t * ab_pkg, pkg_t * pkg);
void buildDepends(pkg_t * pkg);
/**
* pkg_replaces returns 1 if pkg->replaces contains one of replacee's provides and 0
* otherwise.
*/
int pkg_replaces(pkg_t *pkg, pkg_t *replacee);
/**
* pkg_conflicts_abstract returns 1 if pkg->conflicts contains conflictee provides and 0
* otherwise.
*/
int pkg_conflicts_abstract(pkg_t *pkg, abstract_pkg_t *conflicts);
/**
* pkg_conflicts returns 1 if pkg->conflicts contains one of conflictee's provides and 0
* otherwise.
*/
int pkg_conflicts(pkg_t *pkg, pkg_t *conflicts);
char *pkg_depend_str(pkg_t *pkg, int index);
void buildDependedUponBy(pkg_t * pkg, abstract_pkg_t * ab_pkg);
int version_constraints_satisfied(depend_t * depends, pkg_t * pkg);
int pkg_hash_fetch_unsatisfied_dependencies(pkg_t * pkg, pkg_vec_t *depends, char *** unresolved);
pkg_vec_t * pkg_hash_fetch_conflicts(pkg_t * pkg);
int pkg_dependence_satisfiable(depend_t *depend);
int pkg_dependence_satisfied(depend_t *depend);
const char* constraint_to_str(enum version_constraint c);
#endif
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