120 lines
		
	
	
		
			3.6 KiB
		
	
	
	
		
			C
		
	
	
			
		
		
	
	
			120 lines
		
	
	
		
			3.6 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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| 
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| #include "string-list.h"
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| 
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| struct index_state;
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| 
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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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| 	SAFE_CRLF_RENORMALIZE = 3,
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| 	SAFE_CRLF_KEEP_CRLF = 4
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| };
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| 
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| extern enum safe_crlf safe_crlf;
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| 
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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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| 
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| extern enum auto_crlf auto_crlf;
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| 
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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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| 
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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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| 
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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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| 
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| extern enum eol core_eol;
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| extern const char *get_cached_convert_stats_ascii(const struct index_state *istate,
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| 						  const char *path);
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| extern const char *get_wt_convert_stats_ascii(const char *path);
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| extern const char *get_convert_attr_ascii(const char *path);
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| 
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| /* returns 1 if *dst was used */
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| extern 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, 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 async_convert_to_working_tree(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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| extern int async_query_available_blobs(const char *cmd, struct string_list *available_paths);
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| extern 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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| extern 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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| 				     enum safe_crlf checksafe);
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| extern int would_convert_to_git_filter_fd(const char *path);
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| 
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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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| 
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| struct stream_filter; /* opaque */
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| 
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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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| /*
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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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| 
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| #endif /* CONVERT_H */
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