1 // 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 <stdio.h> 29 30 #include "unicode/ucnv.h" 31 #include "unicode/utrans.h" 32 #include "locbund.h" 33 34 /* The buffer size for fromUnicode calls */ 35 #define UFILE_CHARBUFFER_SIZE 1024 36 37 /* The buffer size for toUnicode calls */ 38 #define UFILE_UCHARBUFFER_SIZE 1024 39 40 /* A UFILE */ 41 42 #if !UCONFIG_NO_TRANSLITERATION 43 44 typedef struct { 45 UChar *buffer; /* Beginning of buffer */ 46 int32_t capacity; /* Capacity of buffer */ 47 int32_t pos; /* Beginning of untranslitted data */ 48 int32_t length; /* Length *from beginning of buffer* of untranslitted data */ 49 UTransliterator *translit; 50 } UFILETranslitBuffer; 51 52 #endif 53 54 typedef struct u_localized_string { 55 UChar *fPos; /* current pos in fUCBuffer */ 56 const UChar *fLimit; /* data limit in fUCBuffer */ 57 UChar *fBuffer; /* Place to write the string */ 58 59 #if !UCONFIG_NO_FORMATTING 60 ULocaleBundle fBundle; /* formatters */ 61 #endif 62 } u_localized_string; 63 64 struct UFILE { 65 #if !UCONFIG_NO_TRANSLITERATION 66 UFILETranslitBuffer *fTranslit; 67 #endif 68 69 FILE *fFile; /* the actual filesystem interface */ 70 71 UConverter *fConverter; /* for codeset conversion */ 72 73 u_localized_string str; /* struct to handle strings for number formatting */ 74 75 UChar fUCBuffer[UFILE_UCHARBUFFER_SIZE];/* buffer used for toUnicode */ 76 77 UBool fOwnFile; /* TRUE if fFile should be closed */ 78 79 int32_t fFileno; /* File number. Useful to determine if it's stdin. */ 80 }; 81 82 /** 83 * Like u_file_write but takes a flush parameter 84 */ 85 U_CFUNC int32_t U_EXPORT2 86 u_file_write_flush( const UChar *chars, 87 int32_t count, 88 UFILE *f, 89 UBool flushIO, 90 UBool flushTranslit); 91 92 /** 93 * Fill a UFILE's buffer with converted codepage data. 94 * @param f The UFILE containing the buffer to fill. 95 */ 96 void 97 ufile_fill_uchar_buffer(UFILE *f); 98 99 /** 100 * Get one code unit and detect whether the end of file has been reached. 101 * @param f The UFILE containing the characters. 102 * @param ch The read in character 103 * @return TRUE if the character is valid, or FALSE when EOF has been detected 104 */ 105 U_CFUNC UBool U_EXPORT2 106 ufile_getch(UFILE *f, UChar *ch); 107 108 /** 109 * Get one character and detect whether the end of file has been reached. 110 * @param f The UFILE containing the characters. 111 * @param ch The read in character 112 * @return TRUE if the character is valid, or FALSE when EOF has been detected 113 */ 114 U_CFUNC UBool U_EXPORT2 115 ufile_getch32(UFILE *f, UChar32 *ch); 116 117 /** 118 * Close out the transliterator and flush any data therein. 119 * @param f flu 120 */ 121 void 122 ufile_close_translit(UFILE *f); 123 124 /** 125 * Flush the buffer in the transliterator 126 * @param f UFile to flush 127 */ 128 void 129 ufile_flush_translit(UFILE *f); 130 131 /** 132 * Flush the IO buffer 133 * @param f UFile to flush 134 */ 135 void 136 ufile_flush_io(UFILE *f); 137 138 139 #endif 140 #endif 141
