src/filter.h

   1 /*
   2  * Copyright (C) 2009-2012 the libgit2 contributors
   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 #include "buffer.h"
  12 #include "git2/odb.h"
  13 #include "git2/repository.h"
  14
  15 typedef int (*git_filter_cb)(git_buf *dest, const git_buf *source, const char *filename);
  16
  17 typedef enum {
  18         GIT_FILTER_TO_WORKTREE,
  19         GIT_FILTER_TO_ODB
  20 } git_filter_mode;
  21
  22 typedef enum {
  23         GIT_CRLF_GUESS = -1,
  24         GIT_CRLF_BINARY = 0,
  25         GIT_CRLF_TEXT,
  26         GIT_CRLF_INPUT,
  27         GIT_CRLF_CRLF,
  28         GIT_CRLF_AUTO,
  29
  30         GIT_SAFE_CRLF_FALSE = 0,
  31         GIT_SAFE_CRLF_FAIL = 1,
  32         GIT_SAFE_CRLF_WARN = 2,
  33
  34         GIT_AUTO_CRLF_FALSE = 0,
  35         GIT_AUTO_CRLF_TRUE = 1,
  36         GIT_AUTO_CRLF_INPUT = -1,
  37 } git_crlf_t;
  38
  39 typedef enum {
  40         GIT_EOL_UNSET,
  41         GIT_EOL_CRLF,
  42         GIT_EOL_LF,
  43 #ifdef GIT_WIN32
  44         GIT_EOL_NATIVE = GIT_EOL_CRLF
  45 #else
  46         GIT_EOL_NATIVE = GIT_EOL_LF
  47 #endif
  48 } git_eol_t;
  49
  50
  51 typedef struct {
  52         int crlf_action;
  53         int eol_attr;
  54         int ident;
  55 } git_conv_attrs;
  56
  57 typedef struct {
  58         /* NUL, CR, LF and CRLF counts */
  59         unsigned int nul, cr, lf, crlf;
  60
  61         /* These are just approximations! */
  62         unsigned int printable, nonprintable;
  63 } git_text_stats;
  64
  65 extern int git_filter__load_for_file(git_vector *filters, git_repository *repo, const char *full_path, int mode);
  66 extern int git_filter__load_attrs(git_conv_attrs *ca, git_repository *repo, const char *path);
  67 extern int git_filter__apply(git_buf *dest, git_buf *source, git_vector *filters, const char *filename);
  68
  69 /* Gather stats for a piece of text */
  70 extern void git_text__stat(git_text_stats *stats, git_buf *text);
  71
  72 /* Heuristics on a set of text stats to check whether it's binary
  73  * text or not */
  74 extern int git_text__is_binary(git_text_stats *stats);
  75
  76 #endif