Viewing file:  util.cpp (2.25 KB) -rw-r--r--
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/***********************************************************************
* © 2016 and later: Unicode, Inc. and others.
* License & terms of use: http://www.unicode.org/copyright.html
***********************************************************************
***********************************************************************
* COPYRIGHT:
* Copyright (c) 1999-2010, International Business Machines Corporation and
* others. All Rights Reserved.
***********************************************************************/
#include "unicode/unistr.h"
#include <stdio.h>
#include <stdlib.h>
using namespace icu;
// 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) {
static const UnicodeString DIGIT_STRING("0123456789ABCDEF");
while (digits > 0) {
target += DIGIT_STRING[(number >> ((--digits) * 4)) & 0xF];
}
return target;
}
// Replace nonprintable characters with unicode escapes
UnicodeString escape(const UnicodeString &source) {
int32_t i;
UnicodeString target;
target += "\"";
for (i=0; i<source.length(); ++i) {
char16_t ch = source[i];
if (ch < 0x09 || (ch > 0x0A && ch < 0x20) || ch > 0x7E) {
target += "\\u";
appendHex(ch, 4, target);
} else {
target += ch;
}
}
target += "\"";
return target;
}
// Print the given string to stdout
void uprintf(const UnicodeString &str) {
char* buf = nullptr;
int32_t len = str.length();
// int32_t bufLen = str.extract(0, len, buf); // Preflight
/* Preflighting seems to be broken now, so assume 1-1 conversion,
plus some slop. */
int32_t bufLen = len + 16;
int32_t actualLen;
buf = new char[bufLen + 1];
actualLen = str.extract(0, len, buf/*, bufLen*/); // Default codepage conversion
buf[actualLen] = 0;
printf("%s", buf);
delete [] buf;
}
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