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Diffstat (limited to 'intl/icu/source/io/ufile.h')
-rw-r--r-- | intl/icu/source/io/ufile.h | 140 |
1 files changed, 140 insertions, 0 deletions
diff --git a/intl/icu/source/io/ufile.h b/intl/icu/source/io/ufile.h new file mode 100644 index 0000000000..88fa40911e --- /dev/null +++ b/intl/icu/source/io/ufile.h @@ -0,0 +1,140 @@ +// © 2016 and later: Unicode, Inc. and others. +// License & terms of use: http://www.unicode.org/copyright.html +/* + ******************************************************************************* + * + * Copyright (C) 1998-2014, International Business Machines + * Corporation and others. All Rights Reserved. + * + ******************************************************************************* + * + * File ufile.h + * + * Modification History: + * + * Date Name Description + * 12/01/98 stephen Creation. + * 03/12/99 stephen Modified for new C API. + ******************************************************************************* + */ + +#ifndef UFILE_H +#define UFILE_H + +#include "unicode/utypes.h" + +#if !UCONFIG_NO_CONVERSION + +#include <stdio.h> + +#include "unicode/ucnv.h" +#include "unicode/utrans.h" +#include "locbund.h" + +/* The buffer size for fromUnicode calls */ +#define UFILE_CHARBUFFER_SIZE 1024 + +/* The buffer size for toUnicode calls */ +#define UFILE_UCHARBUFFER_SIZE 1024 + +/* A UFILE */ + +#if !UCONFIG_NO_TRANSLITERATION + +typedef struct { + UChar *buffer; /* Beginning of buffer */ + int32_t capacity; /* Capacity of buffer */ + int32_t pos; /* Beginning of untranslitted data */ + int32_t length; /* Length *from beginning of buffer* of untranslitted data */ + UTransliterator *translit; +} UFILETranslitBuffer; + +#endif + +typedef struct u_localized_string { + UChar *fPos; /* current pos in fUCBuffer */ + const UChar *fLimit; /* data limit in fUCBuffer */ + UChar *fBuffer; /* Place to write the string */ + +#if !UCONFIG_NO_FORMATTING + ULocaleBundle fBundle; /* formatters */ +#endif +} u_localized_string; + +struct UFILE { +#if !UCONFIG_NO_TRANSLITERATION + UFILETranslitBuffer *fTranslit; +#endif + + FILE *fFile; /* the actual filesystem interface */ + + UConverter *fConverter; /* for codeset conversion */ + + u_localized_string str; /* struct to handle strings for number formatting */ + + UChar fUCBuffer[UFILE_UCHARBUFFER_SIZE];/* buffer used for toUnicode */ + + UBool fOwnFile; /* true if fFile should be closed */ + + int32_t fFileno; /* File number. Useful to determine if it's stdin. */ +}; + +/** + * Like u_file_write but takes a flush parameter + */ +U_CFUNC int32_t U_EXPORT2 +u_file_write_flush( const UChar *chars, + int32_t count, + UFILE *f, + UBool flushIO, + UBool flushTranslit); + +/** + * Fill a UFILE's buffer with converted codepage data. + * @param f The UFILE containing the buffer to fill. + */ +void +ufile_fill_uchar_buffer(UFILE *f); + +/** + * Get one code unit and detect whether the end of file has been reached. + * @param f The UFILE containing the characters. + * @param ch The read in character + * @return true if the character is valid, or false when EOF has been detected + */ +U_CFUNC UBool U_EXPORT2 +ufile_getch(UFILE *f, UChar *ch); + +/** + * Get one character and detect whether the end of file has been reached. + * @param f The UFILE containing the characters. + * @param ch The read in character + * @return true if the character is valid, or false when EOF has been detected + */ +U_CFUNC UBool U_EXPORT2 +ufile_getch32(UFILE *f, UChar32 *ch); + +/** + * Close out the transliterator and flush any data therein. + * @param f flu + */ +void +ufile_close_translit(UFILE *f); + +/** + * Flush the buffer in the transliterator + * @param f UFile to flush + */ +void +ufile_flush_translit(UFILE *f); + +/** + * Flush the IO buffer + * @param f UFile to flush + */ +void +ufile_flush_io(UFILE *f); + + +#endif +#endif |