src/filter.h

   1 /*
   2  * Copyright (C) the libgit2 contributors. All rights reserved.
   3  *
   4  * This file is part of libgit2, distributed under the GNU GPL v2 with
   5  * a Linking Exception. For full terms see the included COPYING file.
   6  */
   7 #ifndef INCLUDE_filter_h__
   8 #define INCLUDE_filter_h__
   9
  10 #include "common.h"
  11
  12 #include "attr_file.h"
  13 #include "git2/filter.h"
  14 #include "git2/sys/filter.h"
  15
  16 /* Amount of file to examine for NUL byte when checking binary-ness */
  17 #define GIT_FILTER_BYTES_TO_CHECK_NUL 8000
  18
  19 typedef struct {
  20         git_filter_options options;
  21         git_attr_session *attr_session;
  22         git_buf *temp_buf;
  23 } git_filter_session;
  24
  25 #define GIT_FILTER_SESSION_INIT {GIT_FILTER_OPTIONS_INIT, 0}
  26
  27 extern int git_filter_global_init(void);
  28
  29 extern void git_filter_free(git_filter *filter);
  30
  31 extern int git_filter_list__load(
  32         git_filter_list **filters,
  33         git_repository *repo,
  34         git_blob *blob, /* can be NULL */
  35         const char *path,
  36         git_filter_mode_t mode,
  37         git_filter_session *filter_session);
  38
  39 /*
  40  * The given input buffer will be converted to the given output buffer.
  41  * The input buffer will be freed (_if_ it was allocated).
  42  */
  43 extern int git_filter_list__convert_buf(
  44         git_buf *out,
  45         git_filter_list *filters,
  46         git_buf *in);
  47
  48 /*
  49  * Available filters
  50  */
  51
  52 extern git_filter *git_crlf_filter_new(void);
  53 extern git_filter *git_ident_filter_new(void);
  54
  55 extern int git_filter_buffered_stream_new(
  56         git_writestream **out,
  57         git_filter *filter,
  58         int (*write_fn)(git_filter *, void **, git_buf *, const git_buf *, const git_filter_source *),
  59         git_buf *temp_buf,
  60         void **payload,
  61         const git_filter_source *source,
  62         git_writestream *target);
  63
  64 #endif