1 /*
2 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
3 *
4 * Copyright 2018 Olaf Wintermann. All rights reserved.
5 *
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions are met:
8 *
9 * 1. Redistributions of source code must retain the above copyright
10 * notice, this list of conditions and the following disclaimer.
11 *
12 * 2. Redistributions in binary form must reproduce the above copyright
13 * notice, this list of conditions and the following disclaimer in the
14 * documentation and/or other materials provided with the distribution.
15 *
16 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
17 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
19 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
20 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
21 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
22 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
23 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
24 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
25 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
26 * POSSIBILITY OF SUCH DAMAGE.
27 */
28
29 #ifndef TAGS_H
30 #define TAGS_H
31
32 #include <cx/string.h>
33 #include <cx/buffer.h>
34 #include <cx/list.h>
35
36 #include <libidav/webdav.h>
37
38 #ifdef __cplusplus
39 extern "C" {
40 #endif
41
42
43 /* OFF must be zero, other constants are arbitrary */
44 #define DAV_SYNC_TAGFILTER_OFF 0
45 #define DAV_SYNC_TAGFILTER_AND 1
46 #define DAV_SYNC_TAGFILTER_OR 2
47 #define DAV_SYNC_TAGFILTER_ONE 3
48 #define DAV_SYNC_TAGFILTER_NONE 4
49
50 #define DAV_SYNC_TAGFILTER_SCOPE_RESOURCE 1
51 #define DAV_SYNC_TAGFILTER_SCOPE_COLLECTION 2
52
53 typedef struct DavTag {
54 char *name;
55 char *color;
56 } DavTag;
57
58 /**
59 * filter ::= operator? , (tag_list | ("(" , filter , ")")+)
60 * tag_list ::= tag , ("," tag)*
61 * operator ::= "&" | "|" | "1" | "0"
62 */
63 typedef struct SyncTagFilter SyncTagFilter;
64
65 struct SyncTagFilter {
66 int scope;
67 int mode;
68 CxList* tags;
69 size_t subfilter_count;
70 SyncTagFilter** subfilters;
71 };
72
73 void free_dav_tag(DavTag* tag);
74
75 void free_taglist(CxList *list);
76
77 int compare_tagname(DavTag* left, DavTag* right, void* ignorecase);
78
79 CxMap* taglist2map(CxList *tags);
80
81 CxList* parse_text_taglist(const char *buf, size_t length);
82 CxBuffer* create_text_taglist(CxList *tags);
83
84 CxList* parse_csv_taglist(const char *buf, size_t length);
85 CxBuffer* create_csv_taglist(CxList *tags);
86
87 CxList* parse_dav_xml_taglist(DavXmlNode *taglistnode);
88 DavXmlNode* create_xml_taglist(CxList *tags);
89
90 CxList* parse_macos_taglist(const char *buf, size_t length);
91 CxBuffer* create_macos_taglist(CxList *tags);
92
93 int compare_taglists(CxList *tags1, CxList *tags2);
94
95 char* create_tags_hash(CxList *tags);
96
97 CxList* merge_tags(CxList *tags1, CxList *tags2);
98
99 /*
100 * Adds tag colors from the colored list to taglist if tags have the same name
101 */
102 void add_tag_colors(CxList *taglist, CxList *colored);
103
104 /* ----------- ----------- tag filter ---------------------- */
105
106 SyncTagFilter* parse_tagfilter_string(const char* filterstring, int scope);
107 void free_tagfilter(SyncTagFilter* filter);
108
109 int matches_tagfilter(CxList *dav_tags, SyncTagFilter *tagfilter);
110
111 #ifdef __cplusplus
112 }
113 #endif
114
115 #endif /* TAGS_H */
116
117