1 // Copyright (C) 2016 and later: Unicode, Inc. and others. 2 // License & terms of use: http://www.unicode.org/copyright.html 3 /* 4 ******************************************************************************* 5 * 6 * Copyright (C) 1998-2014, International Business Machines 7 * Corporation and others. All Rights Reserved. 8 * 9 ******************************************************************************* 10 * 11 * File ufile.h 12 * 13 * Modification History: 14 * 15 * Date Name Description 16 * 12/01/98 stephen Creation. 17 * 03/12/99 stephen Modified for new C API. 18 ******************************************************************************* 19 */ 20 21 #ifndef UFILE_H 22 #define UFILE_H 23 24 #include "unicode/utypes.h" 25 26 #if !UCONFIG_NO_CONVERSION 27 28 #include "unicode/ucnv.h" 29 #include "unicode/utrans.h" 30 #include "locbund.h" 31 32 /* The buffer size for fromUnicode calls */ 33 #define UFILE_CHARBUFFER_SIZE 1024 34 35 /* The buffer size for toUnicode calls */ 36 #define UFILE_UCHARBUFFER_SIZE 1024 37 38 /* A UFILE */ 39 40 #if !UCONFIG_NO_TRANSLITERATION 41 42 typedef struct { 43 UChar *buffer; /* Beginning of buffer */ 44 int32_t capacity; /* Capacity of buffer */ 45 int32_t pos; /* Beginning of untranslitted data */ 46 int32_t length; /* Length *from beginning of buffer* of untranslitted data */ 47 UTransliterator *translit; 48 } UFILETranslitBuffer; 49 50 #endif 51 52 typedef struct u_localized_string { 53 UChar *fPos; /* current pos in fUCBuffer */ 54 const UChar *fLimit; /* data limit in fUCBuffer */ 55 UChar *fBuffer; /* Place to write the string */ 56 57 #if !UCONFIG_NO_FORMATTING 58 ULocaleBundle fBundle; /* formatters */ 59 #endif 60 } u_localized_string; 61 62 struct UFILE { 63 #if !UCONFIG_NO_TRANSLITERATION 64 UFILETranslitBuffer *fTranslit; 65 #endif 66 67 FILE *fFile; /* the actual filesystem interface */ 68 69 UConverter *fConverter; /* for codeset conversion */ 70 71 u_localized_string str; /* struct to handle strings for number formatting */ 72 73 UChar fUCBuffer[UFILE_UCHARBUFFER_SIZE];/* buffer used for toUnicode */ 74 75 UBool fOwnFile; /* TRUE if fFile should be closed */ 76 77 int32_t fFileno; /* File number. Useful to determine if it's stdin. */ 78 }; 79 80 /** 81 * Like u_file_write but takes a flush parameter 82 */ 83 U_CFUNC int32_t U_EXPORT2 84 u_file_write_flush( const UChar *chars, 85 int32_t count, 86 UFILE *f, 87 UBool flushIO, 88 UBool flushTranslit); 89 90 /** 91 * Fill a UFILE's buffer with converted codepage data. 92 * @param f The UFILE containing the buffer to fill. 93 */ 94 void 95 ufile_fill_uchar_buffer(UFILE *f); 96 97 /** 98 * Get one code unit and detect whether the end of file has been reached. 99 * @param f The UFILE containing the characters. 100 * @param ch The read in character 101 * @return TRUE if the character is valid, or FALSE when EOF has been detected 102 */ 103 U_CFUNC UBool U_EXPORT2 104 ufile_getch(UFILE *f, UChar *ch); 105 106 /** 107 * Get one character and detect whether the end of file has been reached. 108 * @param f The UFILE containing the characters. 109 * @param ch The read in character 110 * @return TRUE if the character is valid, or FALSE when EOF has been detected 111 */ 112 U_CFUNC UBool U_EXPORT2 113 ufile_getch32(UFILE *f, UChar32 *ch); 114 115 /** 116 * Close out the transliterator and flush any data therein. 117 * @param f flu 118 */ 119 void 120 ufile_close_translit(UFILE *f); 121 122 /** 123 * Flush the buffer in the transliterator 124 * @param f UFile to flush 125 */ 126 void 127 ufile_flush_translit(UFILE *f); 128 129 /** 130 * Flush the IO buffer 131 * @param f UFile to flush 132 */ 133 void 134 ufile_flush_io(UFILE *f); 135 136 137 #endif 138 #endif 139
