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d1bf0e08 JH |
1 | /* |
2 | * Copyright (c) 2011, Google Inc. | |
3 | */ | |
4 | #ifndef CONVERT_H | |
5 | #define CONVERT_H | |
6 | ||
2841e8f8 LS |
7 | #include "string-list.h" |
8 | ||
a7609c54 BW |
9 | struct index_state; |
10 | ||
8462ff43 TB |
11 | #define CONV_EOL_RNDTRP_DIE (1<<0) /* Die if CRLF to LF to CRLF is different */ |
12 | #define CONV_EOL_RNDTRP_WARN (1<<1) /* Warn if CRLF to LF to CRLF is different */ | |
13 | #define CONV_EOL_RENORMALIZE (1<<2) /* Convert CRLF to LF */ | |
14 | #define CONV_EOL_KEEP_CRLF (1<<3) /* Keep CRLF line endings as is */ | |
d1bf0e08 | 15 | |
8462ff43 | 16 | extern int global_conv_flags_eol; |
d1bf0e08 JH |
17 | |
18 | enum auto_crlf { | |
19 | AUTO_CRLF_FALSE = 0, | |
20 | AUTO_CRLF_TRUE = 1, | |
21 | AUTO_CRLF_INPUT = -1 | |
22 | }; | |
23 | ||
24 | extern enum auto_crlf auto_crlf; | |
25 | ||
26 | enum eol { | |
27 | EOL_UNSET, | |
28 | EOL_CRLF, | |
29 | EOL_LF, | |
30 | #ifdef NATIVE_CRLF | |
31 | EOL_NATIVE = EOL_CRLF | |
32 | #else | |
33 | EOL_NATIVE = EOL_LF | |
34 | #endif | |
35 | }; | |
36 | ||
2841e8f8 LS |
37 | enum ce_delay_state { |
38 | CE_NO_DELAY = 0, | |
39 | CE_CAN_DELAY = 1, | |
40 | CE_RETRY = 2 | |
41 | }; | |
42 | ||
43 | struct delayed_checkout { | |
44 | /* | |
45 | * State of the currently processed cache entry. If the state is | |
46 | * CE_CAN_DELAY, then the filter can delay the current cache entry. | |
47 | * If the state is CE_RETRY, then this signals the filter that the | |
48 | * cache entry was requested before. | |
49 | */ | |
50 | enum ce_delay_state state; | |
51 | /* List of filter drivers that signaled delayed blobs. */ | |
52 | struct string_list filters; | |
53 | /* List of delayed blobs identified by their path. */ | |
54 | struct string_list paths; | |
55 | }; | |
56 | ||
d1bf0e08 | 57 | extern enum eol core_eol; |
a7609c54 BW |
58 | extern const char *get_cached_convert_stats_ascii(const struct index_state *istate, |
59 | const char *path); | |
a7630bd4 TB |
60 | extern const char *get_wt_convert_stats_ascii(const char *path); |
61 | extern const char *get_convert_attr_ascii(const char *path); | |
d1bf0e08 JH |
62 | |
63 | /* returns 1 if *dst was used */ | |
82b474e0 BW |
64 | extern int convert_to_git(const struct index_state *istate, |
65 | const char *path, const char *src, size_t len, | |
8462ff43 | 66 | struct strbuf *dst, int conv_flags); |
d1bf0e08 JH |
67 | extern int convert_to_working_tree(const char *path, const char *src, |
68 | size_t len, struct strbuf *dst); | |
2841e8f8 LS |
69 | extern int async_convert_to_working_tree(const char *path, const char *src, |
70 | size_t len, struct strbuf *dst, | |
71 | void *dco); | |
72 | extern int async_query_available_blobs(const char *cmd, struct string_list *available_paths); | |
a33e0b2a BW |
73 | extern int renormalize_buffer(const struct index_state *istate, |
74 | const char *path, const char *src, size_t len, | |
d1bf0e08 | 75 | struct strbuf *dst); |
82b474e0 BW |
76 | static inline int would_convert_to_git(const struct index_state *istate, |
77 | const char *path) | |
92ac3197 | 78 | { |
82b474e0 | 79 | return convert_to_git(istate, path, NULL, 0, NULL, 0); |
92ac3197 | 80 | } |
9035d75a | 81 | /* Precondition: would_convert_to_git_filter_fd(path) == true */ |
d6c41c20 BW |
82 | extern void convert_to_git_filter_fd(const struct index_state *istate, |
83 | const char *path, int fd, | |
9035d75a | 84 | struct strbuf *dst, |
8462ff43 | 85 | int conv_flags); |
9035d75a | 86 | extern int would_convert_to_git_filter_fd(const char *path); |
b6691092 JH |
87 | |
88 | /***************************************************************** | |
89 | * | |
749f763d | 90 | * Streaming conversion support |
b6691092 JH |
91 | * |
92 | *****************************************************************/ | |
93 | ||
94 | struct stream_filter; /* opaque */ | |
95 | ||
1a750441 | 96 | extern struct stream_filter *get_stream_filter(const char *path, const struct object_id *); |
b6691092 JH |
97 | extern void free_stream_filter(struct stream_filter *); |
98 | extern int is_null_stream_filter(struct stream_filter *); | |
99 | ||
100 | /* | |
101 | * Use as much input up to *isize_p and fill output up to *osize_p; | |
102 | * update isize_p and osize_p to indicate how much buffer space was | |
103 | * consumed and filled. Return 0 on success, non-zero on error. | |
4ae66704 JH |
104 | * |
105 | * Some filters may need to buffer the input and look-ahead inside it | |
106 | * to decide what to output, and they may consume more than zero bytes | |
107 | * of input and still not produce any output. After feeding all the | |
108 | * input, pass NULL as input and keep calling this function, to let | |
109 | * such filters know there is no more input coming and it is time for | |
110 | * them to produce the remaining output based on the buffered input. | |
b6691092 JH |
111 | */ |
112 | extern int stream_filter(struct stream_filter *, | |
113 | const char *input, size_t *isize_p, | |
114 | char *output, size_t *osize_p); | |
115 | ||
d1bf0e08 | 116 | #endif /* CONVERT_H */ |