You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
82 lines
2.7 KiB
82 lines
2.7 KiB
/********************************************************************
|
|
* © 2016 and later: Unicode, Inc. and others.
|
|
* License & terms of use: http://www.unicode.org/copyright.html
|
|
*************************************************************************
|
|
*************************************************************************
|
|
* COPYRIGHT:
|
|
* Copyright (c) 1999-2002, International Business Machines Corporation and
|
|
* others. All Rights Reserved.
|
|
*************************************************************************/
|
|
|
|
#include "unicode/unum.h"
|
|
#include "unicode/ustring.h"
|
|
#include <stdio.h>
|
|
#include <stdlib.h>
|
|
|
|
static void uprintf(const UChar* str) {
|
|
char buf[256];
|
|
u_austrcpy(buf, str);
|
|
printf("%s", buf);
|
|
}
|
|
|
|
void capi() {
|
|
UNumberFormat *fmt;
|
|
UErrorCode status = U_ZERO_ERROR;
|
|
/* The string "987654321.123" as UChars */
|
|
UChar str[] = { 0x39, 0x38, 0x37, 0x36, 0x35, 0x34, 0x33,
|
|
0x32, 0x31, 0x30, 0x2E, 0x31, 0x32, 0x33, 0 };
|
|
UChar buf[256];
|
|
int32_t needed;
|
|
double a;
|
|
|
|
/* Create a formatter for the US locale */
|
|
fmt = unum_open(
|
|
UNUM_DECIMAL, /* style */
|
|
0, /* pattern */
|
|
0, /* patternLength */
|
|
"en_US", /* locale */
|
|
0, /* parseErr */
|
|
&status);
|
|
if (U_FAILURE(status)) {
|
|
printf("FAIL: unum_open\n");
|
|
exit(1);
|
|
}
|
|
|
|
/* Use the formatter to parse a number. When using the C API,
|
|
we have to specify whether we want a double or a long in advance.
|
|
|
|
We pass in NULL for the position pointer in order to get the
|
|
default behavior which is to parse from the start. */
|
|
a = unum_parseDouble(fmt, str, u_strlen(str), NULL, &status);
|
|
if (U_FAILURE(status)) {
|
|
printf("FAIL: unum_parseDouble\n");
|
|
exit(1);
|
|
}
|
|
|
|
/* Show the result */
|
|
printf("unum_parseDouble(\"");
|
|
uprintf(str);
|
|
printf("\") => %g\n", a);
|
|
|
|
/* Use the formatter to format the same number back into a string
|
|
in the US locale. The return value is the buffer size needed.
|
|
We're pretty sure we have enough space, but in a production
|
|
application one would check this value.
|
|
|
|
We pass in NULL for the UFieldPosition pointer because we don't
|
|
care to receive that data. */
|
|
needed = unum_formatDouble(fmt, a, buf, 256, NULL, &status);
|
|
if (U_FAILURE(status)) {
|
|
printf("FAIL: format_parseDouble\n");
|
|
exit(1);
|
|
}
|
|
|
|
/* Show the result */
|
|
printf("unum_formatDouble(%g) => \"", a);
|
|
uprintf(buf);
|
|
printf("\"\n");
|
|
|
|
/* Release the storage used by the formatter */
|
|
unum_close(fmt);
|
|
}
|