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