1/* 2 * Copyright (c) 2011, Google Inc. 3 */ 4#ifndef CONVERT_H 5#define CONVERT_H 6 7struct index_state; 8 9enum safe_crlf { 10 SAFE_CRLF_FALSE =0, 11 SAFE_CRLF_FAIL =1, 12 SAFE_CRLF_WARN =2, 13 SAFE_CRLF_RENORMALIZE =3 14}; 15 16externenum safe_crlf safe_crlf; 17 18enum auto_crlf { 19 AUTO_CRLF_FALSE =0, 20 AUTO_CRLF_TRUE =1, 21 AUTO_CRLF_INPUT = -1 22}; 23 24externenum auto_crlf auto_crlf; 25 26enum eol { 27 EOL_UNSET, 28 EOL_CRLF, 29 EOL_LF, 30#ifdef NATIVE_CRLF 31 EOL_NATIVE = EOL_CRLF 32#else 33 EOL_NATIVE = EOL_LF 34#endif 35}; 36 37externenum eol core_eol; 38externconst char*get_cached_convert_stats_ascii(const struct index_state *istate, 39const char*path); 40externconst char*get_wt_convert_stats_ascii(const char*path); 41externconst char*get_convert_attr_ascii(const char*path); 42 43/* returns 1 if *dst was used */ 44externintconvert_to_git(const char*path,const char*src,size_t len, 45struct strbuf *dst,enum safe_crlf checksafe); 46externintconvert_to_working_tree(const char*path,const char*src, 47size_t len,struct strbuf *dst); 48externintrenormalize_buffer(const char*path,const char*src,size_t len, 49struct strbuf *dst); 50staticinlineintwould_convert_to_git(const char*path) 51{ 52returnconvert_to_git(path, NULL,0, NULL,0); 53} 54/* Precondition: would_convert_to_git_filter_fd(path) == true */ 55externvoidconvert_to_git_filter_fd(const struct index_state *istate, 56const char*path,int fd, 57struct strbuf *dst, 58enum safe_crlf checksafe); 59externintwould_convert_to_git_filter_fd(const char*path); 60 61/***************************************************************** 62 * 63 * Streaming conversion support 64 * 65 *****************************************************************/ 66 67struct stream_filter;/* opaque */ 68 69externstruct stream_filter *get_stream_filter(const char*path,const unsigned char*); 70externvoidfree_stream_filter(struct stream_filter *); 71externintis_null_stream_filter(struct stream_filter *); 72 73/* 74 * Use as much input up to *isize_p and fill output up to *osize_p; 75 * update isize_p and osize_p to indicate how much buffer space was 76 * consumed and filled. Return 0 on success, non-zero on error. 77 * 78 * Some filters may need to buffer the input and look-ahead inside it 79 * to decide what to output, and they may consume more than zero bytes 80 * of input and still not produce any output. After feeding all the 81 * input, pass NULL as input and keep calling this function, to let 82 * such filters know there is no more input coming and it is time for 83 * them to produce the remaining output based on the buffered input. 84 */ 85externintstream_filter(struct stream_filter *, 86const char*input,size_t*isize_p, 87char*output,size_t*osize_p); 88 89#endif/* CONVERT_H */