1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
|
/*
* Copyright (C) the libgit2 contributors. All rights reserved.
*
* This file is part of libgit2, distributed under the GNU GPL v2 with
* a Linking Exception. For full terms see the included COPYING file.
*/
#ifndef INCLUDE_iterator_h__
#define INCLUDE_iterator_h__
#include "common.h"
#include "git2/index.h"
#include "vector.h"
#include "buffer.h"
typedef struct git_iterator git_iterator;
typedef enum {
GIT_ITERATOR_TYPE_EMPTY = 0,
GIT_ITERATOR_TYPE_TREE = 1,
GIT_ITERATOR_TYPE_INDEX = 2,
GIT_ITERATOR_TYPE_WORKDIR = 3,
GIT_ITERATOR_TYPE_FS = 4,
} git_iterator_type_t;
typedef enum {
/** ignore case for entry sort order */
GIT_ITERATOR_IGNORE_CASE = (1 << 0),
/** force case sensitivity for entry sort order */
GIT_ITERATOR_DONT_IGNORE_CASE = (1 << 1),
/** return tree items in addition to blob items */
GIT_ITERATOR_INCLUDE_TREES = (1 << 2),
/** don't flatten trees, requiring advance_into (implies INCLUDE_TREES) */
GIT_ITERATOR_DONT_AUTOEXPAND = (1 << 3),
} git_iterator_flag_t;
typedef struct {
int (*current)(const git_index_entry **, git_iterator *);
int (*advance)(const git_index_entry **, git_iterator *);
int (*advance_into)(const git_index_entry **, git_iterator *);
int (*seek)(git_iterator *, const char *prefix);
int (*reset)(git_iterator *, const char *start, const char *end);
int (*at_end)(git_iterator *);
void (*free)(git_iterator *);
} git_iterator_callbacks;
struct git_iterator {
git_iterator_type_t type;
git_iterator_callbacks *cb;
git_repository *repo;
char *start;
char *end;
int (*prefixcomp)(const char *str, const char *prefix);
unsigned int flags;
};
extern int git_iterator_for_nothing(
git_iterator **out,
git_iterator_flag_t flags,
const char *start,
const char *end);
/* tree iterators will match the ignore_case value from the index of the
* repository, unless you override with a non-zero flag value
*/
extern int git_iterator_for_tree(
git_iterator **out,
git_tree *tree,
git_iterator_flag_t flags,
const char *start,
const char *end);
/* index iterators will take the ignore_case value from the index; the
* ignore_case flags are not used
*/
extern int git_iterator_for_index(
git_iterator **out,
git_index *index,
git_iterator_flag_t flags,
const char *start,
const char *end);
/* workdir iterators will match the ignore_case value from the index of the
* repository, unless you override with a non-zero flag value
*/
extern int git_iterator_for_workdir(
git_iterator **out,
git_repository *repo,
git_iterator_flag_t flags,
const char *start,
const char *end);
/* for filesystem iterators, you have to explicitly pass in the ignore_case
* behavior that you desire
*/
extern int git_iterator_for_filesystem(
git_iterator **out,
const char *root,
git_iterator_flag_t flags,
const char *start,
const char *end);
extern void git_iterator_free(git_iterator *iter);
/* Return a git_index_entry structure for the current value the iterator
* is looking at or NULL if the iterator is at the end.
*
* The entry may noy be fully populated. Tree iterators will only have a
* value mode, OID, and path. Workdir iterators will not have an OID (but
* you can use `git_iterator_current_oid()` to calculate it on demand).
*
* You do not need to free the entry. It is still "owned" by the iterator.
* Once you call `git_iterator_advance()` then the old entry is no longer
* guaranteed to be valid - it may be freed or just overwritten in place.
*/
GIT_INLINE(int) git_iterator_current(
const git_index_entry **entry, git_iterator *iter)
{
return iter->cb->current(entry, iter);
}
/**
* Advance to the next item for the iterator.
*
* If GIT_ITERATOR_INCLUDE_TREES is set, this may be a tree item. If
* GIT_ITERATOR_DONT_AUTOEXPAND is set, calling this again when on a tree
* item will skip over all the items under that tree.
*/
GIT_INLINE(int) git_iterator_advance(
const git_index_entry **entry, git_iterator *iter)
{
return iter->cb->advance(entry, iter);
}
/**
* Iterate into a tree item (when GIT_ITERATOR_DONT_AUTOEXPAND is set).
*
* git_iterator_advance() steps through all items being iterated over
* (either with or without trees, depending on GIT_ITERATOR_INCLUDE_TREES),
* but if GIT_ITERATOR_DONT_AUTOEXPAND is set, it will skip to the next
* sibling of a tree instead of going to the first child of the tree. In
* that case, use this function to advance to the first child of the tree.
*
* If the current item is not a tree, this is a no-op.
*
* For working directory iterators only, a tree (i.e. directory) can be
* empty. In that case, this function returns GIT_ENOTFOUND and does not
* advance. That can't happen for tree and index iterators.
*/
GIT_INLINE(int) git_iterator_advance_into(
const git_index_entry **entry, git_iterator *iter)
{
return iter->cb->advance_into(entry, iter);
}
GIT_INLINE(int) git_iterator_seek(
git_iterator *iter, const char *prefix)
{
return iter->cb->seek(iter, prefix);
}
GIT_INLINE(int) git_iterator_reset(
git_iterator *iter, const char *start, const char *end)
{
return iter->cb->reset(iter, start, end);
}
GIT_INLINE(int) git_iterator_at_end(git_iterator *iter)
{
return iter->cb->at_end(iter);
}
GIT_INLINE(git_iterator_type_t) git_iterator_type(git_iterator *iter)
{
return iter->type;
}
GIT_INLINE(git_repository *) git_iterator_owner(git_iterator *iter)
{
return iter->repo;
}
GIT_INLINE(git_iterator_flag_t) git_iterator_flags(git_iterator *iter)
{
return iter->flags;
}
GIT_INLINE(bool) git_iterator_ignore_case(git_iterator *iter)
{
return ((iter->flags & GIT_ITERATOR_IGNORE_CASE) != 0);
}
extern int git_iterator_set_ignore_case(git_iterator *iter, bool ignore_case);
extern int git_iterator_current_tree_entry(
const git_tree_entry **entry_out, git_iterator *iter);
extern int git_iterator_current_parent_tree(
const git_tree **tree_out, git_iterator *iter, const char *parent_path);
extern bool git_iterator_current_is_ignored(git_iterator *iter);
extern int git_iterator_cmp(
git_iterator *iter, const char *path_prefix);
/**
* Get full path of the current item from a workdir iterator. This will
* return NULL for a non-workdir iterator. The git_buf is still owned by
* the iterator; this is exposed just for efficiency.
*/
extern int git_iterator_current_workdir_path(
git_buf **path, git_iterator *iter);
/* Return index pointer if index iterator, else NULL */
extern git_index *git_iterator_get_index(git_iterator *iter);
#endif
|
