128 lines
		
	
	
		
			4.0 KiB
		
	
	
	
		
			C
		
	
	
			
		
		
	
	
			128 lines
		
	
	
		
			4.0 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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#include "string-list.h"
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struct index_state;
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struct object_id;
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struct strbuf;
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#define CONV_EOL_RNDTRP_DIE   (1<<0) /* Die if CRLF to LF to CRLF is different */
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#define CONV_EOL_RNDTRP_WARN  (1<<1) /* Warn if CRLF to LF to CRLF is different */
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#define CONV_EOL_RENORMALIZE  (1<<2) /* Convert CRLF to LF */
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#define CONV_EOL_KEEP_CRLF    (1<<3) /* Keep CRLF line endings as is */
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#define CONV_WRITE_OBJECT     (1<<4) /* Content is written to the index */
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extern int global_conv_flags_eol;
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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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enum ce_delay_state {
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	CE_NO_DELAY = 0,
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	CE_CAN_DELAY = 1,
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	CE_RETRY = 2
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};
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struct delayed_checkout {
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	/*
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	 * State of the currently processed cache entry. If the state is
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	 * CE_CAN_DELAY, then the filter can delay the current cache entry.
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	 * If the state is CE_RETRY, then this signals the filter that the
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	 * cache entry was requested before.
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	 */
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	enum ce_delay_state state;
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	/* List of filter drivers that signaled delayed blobs. */
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	struct string_list filters;
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	/* List of delayed blobs identified by their path. */
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	struct string_list paths;
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};
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extern enum eol core_eol;
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extern char *check_roundtrip_encoding;
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const char *get_cached_convert_stats_ascii(const struct index_state *istate,
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					   const char *path);
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const char *get_wt_convert_stats_ascii(const char *path);
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const char *get_convert_attr_ascii(const struct index_state *istate,
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				   const char *path);
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/* returns 1 if *dst was used */
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int convert_to_git(const struct index_state *istate,
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		   const char *path, const char *src, size_t len,
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		   struct strbuf *dst, int conv_flags);
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int convert_to_working_tree(const struct index_state *istate,
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			    const char *path, const char *src,
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			    size_t len, struct strbuf *dst);
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int async_convert_to_working_tree(const struct index_state *istate,
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				  const char *path, const char *src,
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				  size_t len, struct strbuf *dst,
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				  void *dco);
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int async_query_available_blobs(const char *cmd,
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				struct string_list *available_paths);
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int renormalize_buffer(const struct index_state *istate,
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		       const char *path, const char *src, size_t len,
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		       struct strbuf *dst);
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static inline int would_convert_to_git(const struct index_state *istate,
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				       const char *path)
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{
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	return convert_to_git(istate, path, NULL, 0, NULL, 0);
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}
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/* Precondition: would_convert_to_git_filter_fd(path) == true */
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void convert_to_git_filter_fd(const struct index_state *istate,
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			      const char *path, int fd,
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			      struct strbuf *dst,
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			      int conv_flags);
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int would_convert_to_git_filter_fd(const struct index_state *istate,
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				   const char *path);
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/*****************************************************************
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 *
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 * Streaming conversion support
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 *
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 *****************************************************************/
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struct stream_filter; /* opaque */
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struct stream_filter *get_stream_filter(const struct index_state *istate,
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					const char *path,
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					const struct object_id *);
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void free_stream_filter(struct stream_filter *);
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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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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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