127 lines
4 KiB
C
127 lines
4 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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