1  /*-
 2   * Copyright (c) 2015, Vsevolod Stakhov
 3   * All rights reserved.
 4   *
 5   * Redistribution and use in source and binary forms, with or without
 6   * modification, are permitted provided that the following conditions are met:
 7   *	 * Redistributions of source code must retain the above copyright
 8   *	   notice, this list of conditions and the following disclaimer.
 9   *	 * Redistributions in binary form must reproduce the above copyright
10   *	   notice, this list of conditions and the following disclaimer in the
11   *	   documentation and/or other materials provided with the distribution.
12   *
13   * THIS SOFTWARE IS PROVIDED BY AUTHOR ''AS IS'' AND ANY
14   * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
15   * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
16   * DISCLAIMED. IN NO EVENT SHALL AUTHOR BE LIABLE FOR ANY
17   * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
18   * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
19   * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
20   * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
21   * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
22   * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
23   */
24  
25  
26  #ifndef LIBPKG_PRIVATE_PKG_DEPS_H_
27  #define LIBPKG_PRIVATE_PKG_DEPS_H_
28  
29  #include <stdbool.h>
30  
31  enum pkg_dep_version_op {
32  	VERSION_ANY = 0,
33  	VERSION_EQ,
34  	VERSION_GE,
35  	VERSION_LE,
36  	VERSION_LT,
37  	VERSION_GT,
38  	VERSION_NOT,
39  };
40  
41  enum pkg_dep_flag {
42  	PKG_DEP_FLAG_NORMAL = 0,
43  	PKG_DEP_FLAG_REQUIRE = (1 << 0),
44  	PKG_DEP_FLAG_GLOB = (1 << 1),
45  	PKG_DEP_FLAG_REGEXP = (1 << 2)
46  };
47  
48  struct pkg_dep_version_item {
49  	char *ver;
50  	enum pkg_dep_version_op op;
51  	struct pkg_dep_version_item *prev, *next;
52  };
53  
54  struct pkg_dep_option_item {
55  	char *opt;
56  	bool on;
57  	struct pkg_dep_option_item *prev, *next;
58  };
59  
60  struct pkg_dep_formula_item {
61  	char *name;
62  	unsigned flags;
63  	struct pkg_dep_version_item *versions;
64  	struct pkg_dep_option_item *options;
65  
66  	struct pkg_dep_formula_item *prev, *next;
67  };
68  
69  struct pkg_dep_formula {
70  	struct pkg_dep_formula_item *items;
71  	struct pkg_dep_formula *prev, *next;
72  };
73  
74  
75  /*
76   * Convert pkg formula string to the pkg_dep_formula linked list
77   */
78  struct pkg_dep_formula* pkg_deps_parse_formula(const char *in);
79  
80  void pkg_deps_formula_free(struct pkg_dep_formula *f);
81  
82  char* pkg_deps_formula_tostring(struct pkg_dep_formula *f);
83  
84  enum pkg_dep_version_op pkg_deps_string_toop(const char *in);
85  
86  char* pkg_deps_formula_tosql(struct pkg_dep_formula_item *f);
87  
88  #endif /* LIBPKG_PRIVATE_PKG_DEPS_H_ */