2
******************************************************************************
4
* Copyright (C) 1998-2004, International Business Machines
5
* Corporation and others. All Rights Reserved.
7
******************************************************************************
11
* Modification History:
13
* Date Name Description
14
* 12/02/98 stephen Creation.
15
* 03/12/99 stephen Modified for new C API.
16
* 03/15/99 stephen Added defaultCPToUnicode, unicodeToDefaultCP
17
******************************************************************************
23
#include "unicode/utypes.h"
25
#define UFMT_DEFAULT_BUFFER_SIZE 128
26
#define MAX_UCHAR_BUFFER_SIZE(buffer) (sizeof(buffer)/(UTF_MAX_CHAR_LENGTH*sizeof(UChar)))
27
#define MAX_UCHAR_BUFFER_NEEDED(strLen) ((strLen+1)*UTF_MAX_CHAR_LENGTH*sizeof(UChar))
30
* Enum representing the possible argument types for uprintf/uscanf
32
typedef enum ufmt_type_info {
34
ufmt_simple_percent, /* %% do nothing */
35
ufmt_count, /* special flag for count */
37
ufmt_char, /* int, cast to char */
38
ufmt_string, /* char* */
39
ufmt_pointer, /* void* */
40
ufmt_float, /* float */
41
ufmt_double, /* double */
42
ufmt_uchar, /* int, cast to UChar */
43
ufmt_ustring /* UChar* */
44
/*ufmt_wchar,*/ /* wchar_t */
45
/*ufmt_wstring,*/ /* wchar_t* */
46
/*ufmt_date,*/ /* Date */
51
* Union representing a uprintf/uscanf argument
53
typedef union ufmt_args {
54
int64_t int64Value; /* int, UChar */
55
float floatValue; /* float */
56
double doubleValue; /* double */
57
void *ptrValue; /* any pointer - void*, char*, wchar_t*, UChar* */
58
/*wchar_t wcharValue;*/ /* wchar_t */ /* TODO: Should wchar_t be used? */
59
/*UDate dateValue;*/ /* Date */
63
* Macro for determining the minimum of two numbers.
66
* @return <TT>a</TT> if </TT>a < b</TT>, <TT>b</TT> otherwise
68
#define ufmt_min(a,b) ((a) < (b) ? (a) : (b))
71
* Convert a UChar in hex radix to an integer value.
72
* @param c The UChar to convert.
73
* @return The integer value of <TT>c</TT>.
76
ufmt_digitvalue(UChar c);
79
* Determine if a UChar is a digit for a specified radix.
80
* @param c The UChar to check.
81
* @param radix The desired radix.
82
* @return TRUE if <TT>c</TT> is a digit in <TT>radix</TT>, FALSE otherwise.
89
* Convert an int64_t to a UChar* in a specified radix
90
* @param buffer The target buffer
91
* @param len On input, the size of <TT>buffer</TT>. On output,
92
* the number of UChars written to <TT>buffer</TT>.
93
* @param value The value to be converted
94
* @param radix The desired radix
95
* @param uselower TRUE means lower case will be used, FALSE means upper case
96
* @param minDigits The minimum number of digits for for the formatted number,
97
* which will be padded with zeroes. -1 means do not pad.
100
ufmt_64tou(UChar *buffer,
108
* It's like ufmt_64tou, but with a pointer.
109
* This functions avoids size constraints of 64-bit types.
110
* Pointers can be at 32-128 bits in size.
113
ufmt_ptou(UChar *buffer,
119
* Convert a UChar* in a specified radix to an int64_t.
120
* @param buffer The target buffer
121
* @param len On input, the size of <TT>buffer</TT>. On output,
122
* the number of UChars read from <TT>buffer</TT>.
123
* @param radix The desired radix
124
* @return The numeric value.
127
ufmt_uto64(const UChar *buffer,
132
* Convert a UChar* in a specified radix to a pointer,
133
* @param buffer The target buffer
134
* @param len On input, the size of <TT>buffer</TT>. On output,
135
* the number of UChars read from <TT>buffer</TT>.
136
* @param radix The desired radix
137
* @return The pointer value.
140
ufmt_utop(const UChar *buffer,
144
* Convert a string from the default codepage to Unicode.
145
* @param s The string to convert, in the default codepage.
146
* @param sSize The size of s to convert.
147
* @param target The buffer to convert to.
148
* @param tSize The size of target
149
* @return A pointer to a newly allocated converted version of s, or 0
153
ufmt_defaultCPToUnicode(const char *s, int32_t sSize,
154
UChar *target, int32_t tSize);