1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
|
// © 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 uprintf.cpp
*
* Modification History:
*
* Date Name Description
* 11/19/98 stephen Creation.
* 03/12/99 stephen Modified for new C API.
* Added conversion from default codepage.
* 08/07/2003 george Reunify printf implementations
******************************************************************************
*/
#include "unicode/utypes.h"
#if !UCONFIG_NO_FORMATTING && !UCONFIG_NO_CONVERSION
#include "unicode/ustdio.h"
#include "unicode/ustring.h"
#include "unicode/unum.h"
#include "unicode/udat.h"
#include "unicode/putil.h"
#include "cmemory.h"
#include "locbund.h"
#include "mutex.h"
#include "uassert.h"
#include "uprintf.h"
#include "ufile.h"
#include "ucln_io.h"
U_NAMESPACE_USE
static UFILE *gStdOut = nullptr;
static UInitOnce gStdOutInitOnce {};
static UBool U_CALLCONV uprintf_cleanup()
{
if (gStdOut != nullptr) {
u_fclose(gStdOut);
gStdOut = nullptr;
}
gStdOutInitOnce.reset();
return true;
}
static void U_CALLCONV u_stdout_init() {
U_ASSERT(gStdOut == nullptr);
gStdOut = u_finit(stdout, nullptr, nullptr);
ucln_io_registerCleanup(UCLN_IO_PRINTF, &uprintf_cleanup);
}
U_CAPI UFILE * U_EXPORT2
u_get_stdout()
{
umtx_initOnce(gStdOutInitOnce, &u_stdout_init);
return gStdOut;
}
static int32_t U_EXPORT2
u_printf_write(void *context,
const char16_t *str,
int32_t count)
{
return u_file_write(str, count, (UFILE *)context);
}
static int32_t
u_printf_pad_and_justify(void *context,
const u_printf_spec_info *info,
const char16_t *result,
int32_t resultLen)
{
UFILE *output = (UFILE *)context;
int32_t written, i;
/* pad and justify, if needed */
if(info->fWidth != -1 && resultLen < info->fWidth) {
/* left justify */
if(info->fLeft) {
written = u_file_write(result, resultLen, output);
for(i = 0; i < info->fWidth - resultLen; ++i) {
written += u_file_write(&info->fPadChar, 1, output);
}
}
/* right justify */
else {
written = 0;
for(i = 0; i < info->fWidth - resultLen; ++i) {
written += u_file_write(&info->fPadChar, 1, output);
}
written += u_file_write(result, resultLen, output);
}
}
/* just write the formatted output */
else {
written = u_file_write(result, resultLen, output);
}
return written;
}
U_CAPI int32_t U_EXPORT2
u_fprintf( UFILE *f,
const char *patternSpecification,
... )
{
va_list ap;
int32_t count;
va_start(ap, patternSpecification);
count = u_vfprintf(f, patternSpecification, ap);
va_end(ap);
return count;
}
U_CAPI int32_t U_EXPORT2
u_printf(const char *patternSpecification,
...)
{
va_list ap;
int32_t count;
va_start(ap, patternSpecification);
count = u_vfprintf(u_get_stdout(), patternSpecification, ap);
va_end(ap);
return count;
}
U_CAPI int32_t U_EXPORT2
u_fprintf_u( UFILE *f,
const char16_t *patternSpecification,
... )
{
va_list ap;
int32_t count;
va_start(ap, patternSpecification);
count = u_vfprintf_u(f, patternSpecification, ap);
va_end(ap);
return count;
}
U_CAPI int32_t U_EXPORT2
u_printf_u(const char16_t *patternSpecification,
...)
{
va_list ap;
int32_t count;
va_start(ap, patternSpecification);
count = u_vfprintf_u(u_get_stdout(), patternSpecification, ap);
va_end(ap);
return count;
}
U_CAPI int32_t U_EXPORT2 /* U_CAPI ... U_EXPORT2 added by Peter Kirk 17 Nov 2001 */
u_vfprintf( UFILE *f,
const char *patternSpecification,
va_list ap)
{
int32_t count;
char16_t *pattern;
char16_t buffer[UFMT_DEFAULT_BUFFER_SIZE];
size_t size = strlen(patternSpecification) + 1;
/* convert from the default codepage to Unicode */
if (size >= MAX_UCHAR_BUFFER_SIZE(buffer)) {
pattern = (char16_t *)uprv_malloc(size * sizeof(char16_t));
if(pattern == 0) {
return 0;
}
}
else {
pattern = buffer;
}
u_charsToUChars(patternSpecification, pattern, static_cast<int32_t>(size));
/* do the work */
count = u_vfprintf_u(f, pattern, ap);
/* clean up */
if (pattern != buffer) {
uprv_free(pattern);
}
return count;
}
static const u_printf_stream_handler g_stream_handler = {
u_printf_write,
u_printf_pad_and_justify
};
U_CAPI int32_t U_EXPORT2 /* U_CAPI ... U_EXPORT2 added by Peter Kirk 17 Nov 2001 */
u_vfprintf_u( UFILE *f,
const char16_t *patternSpecification,
va_list ap)
{
int32_t written = 0; /* haven't written anything yet */
/* parse and print the whole format string */
u_printf_parse(&g_stream_handler, patternSpecification, f, nullptr, &f->str.fBundle, &written, ap);
/* return # of UChars written */
return written;
}
#endif /* #if !UCONFIG_NO_FORMATTING */
|
