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Mini Shell
// © 2016 and later: Unicode, Inc. and others.
// License & terms of use: http://www.unicode.org/copyright.html
/********************************************************************
* COPYRIGHT:
* Copyright (c) 2008-2014, International Business Machines Corporation and
* others. All Rights Reserved.
********************************************************************/
//! [getBestPatternExample1]
#include <iostream>
#include "unicode/smpdtfmt.h"
#include "unicode/dtptngen.h"
#include "unicode/ustdio.h"
//! [getBestPatternExample1]
using namespace std;
using namespace icu;
static void getBestPatternExample() {
u_printf("========================================================================\n");
u_printf(" getBestPatternExample()\n");
u_printf("\n");
u_printf(" Use DateTimePatternGenerator to create customized date/time pattern:\n");
u_printf(" yQQQQ,yMMMM, MMMMd, hhmm, jjmm per locale\n");
u_printf("========================================================================\n");
//! [getBestPatternExample]
UnicodeString skeletons [] = {
UnicodeString("yQQQQ"), // year + full name of quarter, i.e., 4th quarter 1999
UnicodeString("yMMMM"), // year + full name of month, i.e., October 1999
UnicodeString("MMMMd"), // full name of month + day of the month, i.e., October 25
UnicodeString("hhmm"), // 12-hour-cycle format, i.e., 1:32 PM
UnicodeString("jjmm"), // preferred hour format for the given locale, i.e., 24-hour-cycle format for fr_FR
0,
};
Locale locales[] = {
Locale ("en_US"),
Locale ("fr_FR"),
Locale ("zh_CN"),
};
const char* filename = "sample.txt";
/* open a UTF-8 file for writing */
UFILE* f = u_fopen(filename, "w", NULL,"UTF-8");
UnicodeString dateReturned;
UErrorCode status =U_ZERO_ERROR;
Calendar *cal = Calendar::createInstance(status);
cal->set (1999,9,13,23,58,59);
UDate date = cal->getTime(status);
u_fprintf(f, "%-20S%-20S%-20S%-20S\n", UnicodeString("Skeleton").getTerminatedBuffer(),UnicodeString("en_US").getTerminatedBuffer(),UnicodeString("fr_FR").getTerminatedBuffer(),UnicodeString("zh_CN").getTerminatedBuffer());
for (int i=0;skeletons[i]!=NULL;i++) {
u_fprintf(f, "%-20S",skeletons[i].getTerminatedBuffer());
for (int j=0;j<sizeof(locales)/sizeof(locales[0]);j++) {
// create a DateTimePatternGenerator instance for given locale
DateTimePatternGenerator *dtfg= DateTimePatternGenerator::createInstance(locales[j],status);
// use getBestPattern method to get the best pattern for the given skeleton
UnicodeString pattern = dtfg->getBestPattern(skeletons[i],status);
// Constructs a SimpleDateFormat with the best pattern generated above and the given locale
SimpleDateFormat *sdf = new SimpleDateFormat(pattern,locales[j],status);
dateReturned.remove();
// Get the format of the given date
sdf->format(date,dateReturned,status);
/* write Unicode string to file */
u_fprintf(f, "%-20S", dateReturned.getTerminatedBuffer());
delete dtfg;
delete sdf;
}
u_fprintf(f,"\n");
}
/* close the file resource */
u_fclose(f);
delete cal;
//! [getBestPatternExample]
}
static void addPatternExample() {
u_printf("========================================================================\n");
u_printf(" addPatternExample()\n");
u_printf("\n");
u_printf(" Use addPattern API to add new '. von' to existing pattern\n");
u_printf("========================================================================\n");
//! [addPatternExample]
UErrorCode status =U_ZERO_ERROR;
UnicodeString conflictingPattern,dateReturned, pattern;
Locale locale=Locale::getFrance();
Calendar *cal = Calendar::createInstance(status);
cal->set (1999,9,13,23,58,59);
UDate date = cal->getTime(status);
// Create an DateTimePatternGenerator instance for the given locale
DateTimePatternGenerator *dtfg= DateTimePatternGenerator::createInstance(locale,status);
SimpleDateFormat *sdf = new SimpleDateFormat(dtfg->getBestPattern("MMMMddHmm",status),locale,status);
// Add '. von' to the existing pattern
dtfg->addPattern("dd'. von' MMMM", true, conflictingPattern,status);
// Apply the new pattern
sdf->applyPattern(dtfg->getBestPattern("MMMMddHmm",status));
dateReturned = sdf->format(date, dateReturned, status);
pattern =sdf->toPattern(pattern);
u_printf("%s\n", "New Pattern for FRENCH: ");
u_printf("%S\n", pattern.getTerminatedBuffer());
u_printf("%s\n", "Date Time in new Pattern: ");
u_printf("%S\n", dateReturned.getTerminatedBuffer());
delete dtfg;
delete sdf;
delete cal;
//! [addPatternExample]
/* output of the sample code:
************************************************************************************************
New Pattern for FRENCH: dd. 'von' MMMM HH:mm
Date Time in new Pattern: 13. von octobre 23:58
*************************************************************************************************/
}
static void replaceFieldTypesExample() {
// Use repalceFieldTypes API to replace zone 'zzzz' with 'vvvv'
u_printf("========================================================================\n");
u_printf(" replaceFieldTypeExample()\n");
u_printf("\n");
u_printf(" Use replaceFieldTypes API to replace zone 'zzzz' with 'vvvv'\n");
u_printf("========================================================================\n");
//! [replaceFieldTypesExample]
UFILE *out = u_finit(stdout, NULL, "UTF-8");
UErrorCode status =U_ZERO_ERROR;
UnicodeString pattern,dateReturned;
Locale locale =Locale::getFrance();
Calendar *cal = Calendar::createInstance(status);
cal->set (1999,9,13,23,58,59);
UDate date = cal->getTime(status);
TimeZone *zone = TimeZone::createTimeZone(UnicodeString("Europe/Paris"));
DateTimePatternGenerator *dtfg = DateTimePatternGenerator::createInstance(locale,status);
SimpleDateFormat *sdf = new SimpleDateFormat("EEEE d MMMM y HH:mm:ss zzzz",locale,status);
sdf->setTimeZone(*zone);
pattern = sdf->toPattern(pattern);
u_fprintf(out, "%S\n", UnicodeString("Pattern before replacement:").getTerminatedBuffer());
u_fprintf(out, "%S\n", pattern.getTerminatedBuffer());
dateReturned.remove();
dateReturned = sdf->format(date, dateReturned, status);
u_fprintf(out, "%S\n", UnicodeString("Date/Time format in fr_FR:").getTerminatedBuffer());
u_fprintf(out, "%S\n", dateReturned.getTerminatedBuffer());
// Replace zone "zzzz" in the pattern with "vvvv"
UnicodeString newPattern = dtfg->replaceFieldTypes(pattern, "vvvv", status);
// Apply the new pattern
sdf->applyPattern(newPattern);
dateReturned.remove();
dateReturned = sdf->format(date, dateReturned, status);
u_fprintf(out, "%S\n", UnicodeString("Pattern after replacement:").getTerminatedBuffer());
u_fprintf(out, "%S\n", newPattern.getTerminatedBuffer());
u_fprintf(out, "%S\n", UnicodeString("Date/Time format in fr_FR:").getTerminatedBuffer());
u_fprintf(out, "%S\n", dateReturned.getTerminatedBuffer());
delete sdf;
delete dtfg;
delete zone;
delete cal;
u_fclose(out);
//! [replaceFieldTypesExample]
}
int main (int argc, char* argv[])
{
getBestPatternExample();
addPatternExample();
replaceFieldTypesExample();
return 0;
}
Zerion Mini Shell 1.0