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Diffstat (limited to 'convert.h')
| -rw-r--r-- | convert.h | 127 |
1 files changed, 127 insertions, 0 deletions
diff --git a/convert.h b/convert.h new file mode 100644 index 000000000000..831559f10d44 --- /dev/null +++ b/convert.h @@ -0,0 +1,127 @@ +/* + * Copyright (c) 2011, Google Inc. + */ +#ifndef CONVERT_H +#define CONVERT_H + +#include "string-list.h" + +struct index_state; +struct object_id; +struct strbuf; + +#define CONV_EOL_RNDTRP_DIE (1<<0) /* Die if CRLF to LF to CRLF is different */ +#define CONV_EOL_RNDTRP_WARN (1<<1) /* Warn if CRLF to LF to CRLF is different */ +#define CONV_EOL_RENORMALIZE (1<<2) /* Convert CRLF to LF */ +#define CONV_EOL_KEEP_CRLF (1<<3) /* Keep CRLF line endings as is */ +#define CONV_WRITE_OBJECT (1<<4) /* Content is written to the index */ + +extern int global_conv_flags_eol; + +enum auto_crlf { + AUTO_CRLF_FALSE = 0, + AUTO_CRLF_TRUE = 1, + AUTO_CRLF_INPUT = -1 +}; + +extern enum auto_crlf auto_crlf; + +enum eol { + EOL_UNSET, + EOL_CRLF, + EOL_LF, +#ifdef NATIVE_CRLF + EOL_NATIVE = EOL_CRLF +#else + EOL_NATIVE = EOL_LF +#endif +}; + +enum ce_delay_state { + CE_NO_DELAY = 0, + CE_CAN_DELAY = 1, + CE_RETRY = 2 +}; + +struct delayed_checkout { + /* + * State of the currently processed cache entry. If the state is + * CE_CAN_DELAY, then the filter can delay the current cache entry. + * If the state is CE_RETRY, then this signals the filter that the + * cache entry was requested before. + */ + enum ce_delay_state state; + /* List of filter drivers that signaled delayed blobs. */ + struct string_list filters; + /* List of delayed blobs identified by their path. */ + struct string_list paths; +}; + +extern enum eol core_eol; +extern char *check_roundtrip_encoding; +const char *get_cached_convert_stats_ascii(const struct index_state *istate, + const char *path); +const char *get_wt_convert_stats_ascii(const char *path); +const char *get_convert_attr_ascii(const struct index_state *istate, + const char *path); + +/* returns 1 if *dst was used */ +int convert_to_git(const struct index_state *istate, + const char *path, const char *src, size_t len, + struct strbuf *dst, int conv_flags); +int convert_to_working_tree(const struct index_state *istate, + const char *path, const char *src, + size_t len, struct strbuf *dst); +int async_convert_to_working_tree(const struct index_state *istate, + const char *path, const char *src, + size_t len, struct strbuf *dst, + void *dco); +int async_query_available_blobs(const char *cmd, + struct string_list *available_paths); +int renormalize_buffer(const struct index_state *istate, + const char *path, const char *src, size_t len, + struct strbuf *dst); +static inline int would_convert_to_git(const struct index_state *istate, + const char *path) +{ + return convert_to_git(istate, path, NULL, 0, NULL, 0); +} +/* Precondition: would_convert_to_git_filter_fd(path) == true */ +void convert_to_git_filter_fd(const struct index_state *istate, + const char *path, int fd, + struct strbuf *dst, + int conv_flags); +int would_convert_to_git_filter_fd(const struct index_state *istate, + const char *path); + +/***************************************************************** + * + * Streaming conversion support + * + *****************************************************************/ + +struct stream_filter; /* opaque */ + +struct stream_filter *get_stream_filter(const struct index_state *istate, + const char *path, + const struct object_id *); +void free_stream_filter(struct stream_filter *); +int is_null_stream_filter(struct stream_filter *); + +/* + * Use as much input up to *isize_p and fill output up to *osize_p; + * update isize_p and osize_p to indicate how much buffer space was + * consumed and filled. Return 0 on success, non-zero on error. + * + * Some filters may need to buffer the input and look-ahead inside it + * to decide what to output, and they may consume more than zero bytes + * of input and still not produce any output. After feeding all the + * input, pass NULL as input and keep calling this function, to let + * such filters know there is no more input coming and it is time for + * them to produce the remaining output based on the buffered input. + */ +int stream_filter(struct stream_filter *, + const char *input, size_t *isize_p, + char *output, size_t *osize_p); + +#endif /* CONVERT_H */ |