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Path: /opt/alt/alt-nodejs18/root/usr/share/doc/alt-nodejs18-libicu-devel/samples/dtptngsample/

Name	Size	Rights	Date	Actions
[.]	<DIR>	drwxr-xr-x	2024-05-12 11:11	🔄 🗑️ 🗑️📁 ⬇️ 🔒
[..]	<DIR>	drwxr-xr-x	2024-05-12 11:11	🔄 🗑️ 🗑️📁 ⬇️ 🔒
Makefile	654 B	-rw-r--r--	2023-12-11 22:27	✏️ 🔄 🗑️ ⬇️ 🔒
dtptngsample.cpp	7,950 B	-rw-r--r--	2023-12-11 22:27	✏️ 🔄 🗑️ ⬇️ 🔒
dtptngsample.vcxproj	7,526 B	-rw-r--r--	2023-12-11 22:27	✏️ 🔄 🗑️ ⬇️ 🔒
dtptngsample.vcxproj.filters	940 B	-rw-r--r--	2023-12-11 22:27	✏️ 🔄 🗑️ ⬇️ 🔒

Edit: dtptngsample.cpp

// © 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", nullptr,"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].isEmpty();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, nullptr, "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;
}

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Edit: dtptngsample.cpp

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