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File Content: `util.cpp`

/********************************************************************
 *   © 2016 and later: Unicode, Inc. and others.
 *   License & terms of use: http://www.unicode.org/copyright.html#License
 *************************************************************************
 *************************************************************************
 * COPYRIGHT:
 * Copyright (c) 1999-2009, International Business Machines Corporation and
 * others. All Rights Reserved.
 *************************************************************************/

#define __STDC_FORMAT_MACROS 1
#include <inttypes.h>

#include "unicode/unistr.h"
#include "unicode/fmtable.h"
#include <stdio.h>
#include <stdlib.h>

using namespace icu;

enum {
    U_SPACE=0x20,
    U_DQUOTE=0x22,
    U_COMMA=0x2c,
    U_LEFT_SQUARE_BRACKET=0x5b,
    U_BACKSLASH=0x5c,
    U_RIGHT_SQUARE_BRACKET=0x5d,
    U_SMALL_U=0x75
};

// Verify that a UErrorCode is successful; exit(1) if not
void check(UErrorCode& status, const char* msg) {
    if (U_FAILURE(status)) {
        printf("ERROR: %s (%s)\n", u_errorName(status), msg);
        exit(1);
    }
    // printf("Ok: %s\n", msg);
}
                                                      
// Append a hex string to the target
static UnicodeString& appendHex(uint32_t number, 
                         int8_t digits, 
                         UnicodeString& target) {
    uint32_t digit;
    while (digits > 0) {
        digit = (number >> ((--digits) * 4)) & 0xF;
        target += (UChar)(digit < 10 ? 0x30 + digit : 0x41 - 10 + digit);
    }
    return target;
}

// Replace nonprintable characters with unicode escapes
UnicodeString escape(const UnicodeString &source) {
    int32_t i;
    UnicodeString target;
    target += (UChar)U_DQUOTE;
    for (i=0; i<source.length(); ++i) {
        UChar ch = source[i];
        if (ch < 0x09 || (ch > 0x0D && ch < 0x20) || ch > 0x7E) {
            (target += (UChar)U_BACKSLASH) += (UChar)U_SMALL_U;
            appendHex(ch, 4, target);
        } else {
            target += ch;
        }
    }
    target += (UChar)U_DQUOTE;
    return target;
}

// Print the given string to stdout using the UTF-8 converter
void uprintf(const UnicodeString &str) {
    char stackBuffer[100];
    char *buf = 0;

    int32_t bufLen = str.extract(0, 0x7fffffff, stackBuffer, sizeof(stackBuffer), "UTF-8");
    if(bufLen < sizeof(stackBuffer)) {
        buf = stackBuffer;
    } else {
        buf = new char[bufLen + 1];
        bufLen = str.extract(0, 0x7fffffff, buf, bufLen + 1, "UTF-8");
    }
    printf("%s", buf);
    if(buf != stackBuffer) {
        delete[] buf;
    }
}

// Create a display string for a formattable
UnicodeString formattableToString(const Formattable& f) {
    switch (f.getType()) {
    case Formattable::kDate:
        // TODO: Finish implementing this
        return UNICODE_STRING_SIMPLE("Formattable_DATE_TBD");
    case Formattable::kDouble:
        {
            char buf[256];
            sprintf(buf, "%gD", f.getDouble());
            return UnicodeString(buf, "");
        }
    case Formattable::kLong:
        {
            char buf[256];
            sprintf(buf, "%" PRId32 "L", f.getLong());
            return UnicodeString(buf, "");
        }
    case Formattable::kInt64:
        {
            char buf[256];
            sprintf(buf, "%" PRId64 "L", f.getInt64());
            return UnicodeString(buf, "");
        }
    case Formattable::kString:
        return UnicodeString((UChar)U_DQUOTE).append(f.getString()).append((UChar)U_DQUOTE);
    case Formattable::kArray:
        {
            int32_t i, count;
            const Formattable* array = f.getArray(count);
            UnicodeString result((UChar)U_LEFT_SQUARE_BRACKET);
            for (i=0; i<count; ++i) {
                if (i > 0) {
                    (result += (UChar)U_COMMA) += (UChar)U_SPACE;
                }
                result += formattableToString(array[i]);
            }
            result += (UChar)U_RIGHT_SQUARE_BRACKET;
            return result;
        }
    default:
        return UNICODE_STRING_SIMPLE("INVALID_Formattable");
    }
}
Name	Size	Permission
Makefile	632 bytes	0644
capi.c	2740 bytes	0644
main.cpp	9333 bytes	0644
numfmt.sln	1202 bytes	0644
numfmt.vcxproj	9839 bytes	0644
numfmt.vcxproj.filters	1168 bytes	0644
readme.txt	2421 bytes	0644
util.cpp	4116 bytes	0644
util.h	1125 bytes	0644
File Content: util.cpp

File Content: `util.cpp`
