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4ae6670444
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 as keep calling stream_filter() 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. Signed-off-by: Junio C Hamano <gitster@pobox.com>
72 lines
2 KiB
C
72 lines
2 KiB
C
/*
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* Copyright (c) 2011, Google Inc.
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*/
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#ifndef CONVERT_H
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#define CONVERT_H
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enum safe_crlf {
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SAFE_CRLF_FALSE = 0,
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SAFE_CRLF_FAIL = 1,
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SAFE_CRLF_WARN = 2
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};
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extern enum safe_crlf safe_crlf;
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enum auto_crlf {
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AUTO_CRLF_FALSE = 0,
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AUTO_CRLF_TRUE = 1,
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AUTO_CRLF_INPUT = -1
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};
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extern enum auto_crlf auto_crlf;
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enum eol {
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EOL_UNSET,
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EOL_CRLF,
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EOL_LF,
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#ifdef NATIVE_CRLF
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EOL_NATIVE = EOL_CRLF
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#else
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EOL_NATIVE = EOL_LF
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#endif
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};
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extern enum eol core_eol;
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/* returns 1 if *dst was used */
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extern int convert_to_git(const char *path, const char *src, size_t len,
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struct strbuf *dst, enum safe_crlf checksafe);
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extern int convert_to_working_tree(const char *path, const char *src,
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size_t len, struct strbuf *dst);
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extern int renormalize_buffer(const char *path, const char *src, size_t len,
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struct strbuf *dst);
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/*****************************************************************
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*
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* Streaming converison support
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*
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*****************************************************************/
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struct stream_filter; /* opaque */
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extern struct stream_filter *get_stream_filter(const char *path, const unsigned char *);
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extern void free_stream_filter(struct stream_filter *);
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extern int is_null_stream_filter(struct stream_filter *);
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/*
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* Use as much input up to *isize_p and fill output up to *osize_p;
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* update isize_p and osize_p to indicate how much buffer space was
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* consumed and filled. Return 0 on success, non-zero on error.
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*
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* Some filters may need to buffer the input and look-ahead inside it
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* to decide what to output, and they may consume more than zero bytes
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* of input and still not produce any output. After feeding all the
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* input, pass NULL as input and keep calling this function, to let
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* such filters know there is no more input coming and it is time for
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* them to produce the remaining output based on the buffered input.
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*/
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extern int stream_filter(struct stream_filter *,
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const char *input, size_t *isize_p,
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char *output, size_t *osize_p);
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#endif /* CONVERT_H */
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