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 struct index_state *istate, 45const char*path,const char*src,size_t len, 46struct strbuf *dst,enum safe_crlf checksafe); 47externintconvert_to_working_tree(const char*path,const char*src, 48size_t len,struct strbuf *dst); 49externintrenormalize_buffer(const char*path,const char*src,size_t len, 50struct strbuf *dst); 51staticinlineintwould_convert_to_git(const struct index_state *istate, 52const char*path) 53{ 54returnconvert_to_git(istate, path, NULL,0, NULL,0); 55} 56/* Precondition: would_convert_to_git_filter_fd(path) == true */ 57externvoidconvert_to_git_filter_fd(const struct index_state *istate, 58const char*path,int fd, 59struct strbuf *dst, 60enum safe_crlf checksafe); 61externintwould_convert_to_git_filter_fd(const char*path); 62 63/***************************************************************** 64 * 65 * Streaming conversion support 66 * 67 *****************************************************************/ 68 69struct stream_filter;/* opaque */ 70 71externstruct stream_filter *get_stream_filter(const char*path,const unsigned char*); 72externvoidfree_stream_filter(struct stream_filter *); 73externintis_null_stream_filter(struct stream_filter *); 74 75/* 76 * Use as much input up to *isize_p and fill output up to *osize_p; 77 * update isize_p and osize_p to indicate how much buffer space was 78 * consumed and filled. Return 0 on success, non-zero on error. 79 * 80 * Some filters may need to buffer the input and look-ahead inside it 81 * to decide what to output, and they may consume more than zero bytes 82 * of input and still not produce any output. After feeding all the 83 * input, pass NULL as input and keep calling this function, to let 84 * such filters know there is no more input coming and it is time for 85 * them to produce the remaining output based on the buffered input. 86 */ 87externintstream_filter(struct stream_filter *, 88const char*input,size_t*isize_p, 89char*output,size_t*osize_p); 90 91#endif/* CONVERT_H */