intl/icu/source/io/ufile.h@6474c204b198
intl/icu/source/io/ufile.h
Wed, 31 Dec 2014 06:09:35 +0100
- author
- Michael Schloh von Bennewitz <michael@schloh.com>
- date
- Wed, 31 Dec 2014 06:09:35 +0100
- changeset 0
- 6474c204b198
- permissions
- -rw-r--r--
Cloned upstream origin tor-browser at tor-browser-31.3.0esr-4.5-1-build1
revision ID fc1c9ff7c1b2defdbc039f12214767608f46423f for hacking purpose.
1 /*
2 *******************************************************************************
3 *
4 * Copyright (C) 1998-2010, 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 */
19 #ifndef UFILE_H
20 #define UFILE_H
22 #include "unicode/utypes.h"
23 #include "unicode/ucnv.h"
24 #include "unicode/utrans.h"
25 #include "locbund.h"
27 /* The buffer size for fromUnicode calls */
28 #define UFILE_CHARBUFFER_SIZE 1024
30 /* The buffer size for toUnicode calls */
31 #define UFILE_UCHARBUFFER_SIZE 1024
33 /* A UFILE */
35 #if !UCONFIG_NO_TRANSLITERATION
37 typedef struct {
38 UChar *buffer; /* Beginning of buffer */
39 int32_t capacity; /* Capacity of buffer */
40 int32_t pos; /* Beginning of untranslitted data */
41 int32_t length; /* Length *from beginning of buffer* of untranslitted data */
42 UTransliterator *translit;
43 } UFILETranslitBuffer;
45 #endif
47 typedef struct u_localized_string {
48 UChar *fPos; /* current pos in fUCBuffer */
49 const UChar *fLimit; /* data limit in fUCBuffer */
50 UChar *fBuffer; /* Place to write the string */
52 #if !UCONFIG_NO_FORMATTING
53 ULocaleBundle fBundle; /* formatters */
54 #endif
55 } u_localized_string;
57 struct UFILE {
58 #if !UCONFIG_NO_TRANSLITERATION
59 UFILETranslitBuffer *fTranslit;
60 #endif
62 FILE *fFile; /* the actual filesystem interface */
64 UConverter *fConverter; /* for codeset conversion */
66 u_localized_string str; /* struct to handle strings for number formatting */
68 UChar fUCBuffer[UFILE_UCHARBUFFER_SIZE];/* buffer used for toUnicode */
70 UBool fOwnFile; /* TRUE if fFile should be closed */
72 int32_t fFileno; /* File number. Useful to determine if it's stdin. */
73 };
75 /**
76 * Like u_file_write but takes a flush parameter
77 */
78 U_CFUNC int32_t U_EXPORT2
79 u_file_write_flush( const UChar *chars,
80 int32_t count,
81 UFILE *f,
82 UBool flushIO,
83 UBool flushTranslit);
85 /**
86 * Fill a UFILE's buffer with converted codepage data.
87 * @param f The UFILE containing the buffer to fill.
88 */
89 void
90 ufile_fill_uchar_buffer(UFILE *f);
92 /**
93 * Get one code unit and detect whether the end of file has been reached.
94 * @param f The UFILE containing the characters.
95 * @param ch The read in character
96 * @return TRUE if the character is valid, or FALSE when EOF has been detected
97 */
98 U_CFUNC UBool U_EXPORT2
99 ufile_getch(UFILE *f, UChar *ch);
101 /**
102 * Get one character and detect whether the end of file has been reached.
103 * @param f The UFILE containing the characters.
104 * @param ch The read in character
105 * @return TRUE if the character is valid, or FALSE when EOF has been detected
106 */
107 U_CFUNC UBool U_EXPORT2
108 ufile_getch32(UFILE *f, UChar32 *ch);
110 /**
111 * Close out the transliterator and flush any data therein.
112 * @param f flu
113 */
114 void
115 ufile_close_translit(UFILE *f);
117 /**
118 * Flush the buffer in the transliterator
119 * @param f UFile to flush
120 */
121 void
122 ufile_flush_translit(UFILE *f);
124 /**
125 * Flush the IO buffer
126 * @param f UFile to flush
127 */
128 void
129 ufile_flush_io(UFILE *f);
132 #endif
