Andrew's git - gitweb.git/blob

   1/*
   2 * Copyright (c) 2011, Google Inc.
   3 */
   4#ifndef CONVERT_H
   5#define CONVERT_H
   6
   7enum safe_crlf {
   8        SAFE_CRLF_FALSE = 0,
   9        SAFE_CRLF_FAIL = 1,
  10        SAFE_CRLF_WARN = 2
  11};
  12
  13extern enum safe_crlf safe_crlf;
  14
  15enum auto_crlf {
  16        AUTO_CRLF_FALSE = 0,
  17        AUTO_CRLF_TRUE = 1,
  18        AUTO_CRLF_INPUT = -1
  19};
  20
  21extern enum auto_crlf auto_crlf;
  22
  23enum eol {
  24        EOL_UNSET,
  25        EOL_CRLF,
  26        EOL_LF,
  27#ifdef NATIVE_CRLF
  28        EOL_NATIVE = EOL_CRLF
  29#else
  30        EOL_NATIVE = EOL_LF
  31#endif
  32};
  33
  34extern enum eol core_eol;
  35
  36/* returns 1 if *dst was used */
  37extern int convert_to_git(const char *path, const char *src, size_t len,
  38                          struct strbuf *dst, enum safe_crlf checksafe);
  39extern int convert_to_working_tree(const char *path, const char *src,
  40                                   size_t len, struct strbuf *dst);
  41extern int renormalize_buffer(const char *path, const char *src, size_t len,
  42                              struct strbuf *dst);
  43static inline int would_convert_to_git(const char *path)
  44{
  45        return convert_to_git(path, NULL, 0, NULL, 0);
  46}
  47/* Precondition: would_convert_to_git_filter_fd(path) == true */
  48extern void convert_to_git_filter_fd(const char *path, int fd,
  49                                     struct strbuf *dst,
  50                                     enum safe_crlf checksafe);
  51extern int would_convert_to_git_filter_fd(const char *path);
  52
  53/*****************************************************************
  54 *
  55 * Streaming conversion support
  56 *
  57 *****************************************************************/
  58
  59struct stream_filter; /* opaque */
  60
  61extern struct stream_filter *get_stream_filter(const char *path, const unsigned char *);
  62extern void free_stream_filter(struct stream_filter *);
  63extern int is_null_stream_filter(struct stream_filter *);
  64
  65/*
  66 * Use as much input up to *isize_p and fill output up to *osize_p;
  67 * update isize_p and osize_p to indicate how much buffer space was
  68 * consumed and filled. Return 0 on success, non-zero on error.
  69 *
  70 * Some filters may need to buffer the input and look-ahead inside it
  71 * to decide what to output, and they may consume more than zero bytes
  72 * of input and still not produce any output. After feeding all the
  73 * input, pass NULL as input and keep calling this function, to let
  74 * such filters know there is no more input coming and it is time for
  75 * them to produce the remaining output based on the buffered input.
  76 */
  77extern int stream_filter(struct stream_filter *,
  78                         const char *input, size_t *isize_p,
  79                         char *output, size_t *osize_p);
  80
  81#endif /* CONVERT_H */