1 /**********************************************************************
2  * © 2016 and later: Unicode, Inc. and others.
3  * License & terms of use: http://www.unicode.org/copyright.html#License
4  ***********************************************************************
5  ***********************************************************************
6  * COPYRIGHT:
7  * Copyright (c) 1999-2010, International Business Machines Corporation and
8  * others. All Rights Reserved.
9  ***********************************************************************/
10 
11 #include "unicode/unistr.h"
12 #include <stdio.h>
13 #include <stdlib.h>
14 
15 // Verify that a UErrorCode is successful; exit(1) if not
16 void check(UErrorCode& status, const char* msg) {
17     if (U_FAILURE(status)) {
18         printf("ERROR: %s (%s)\n", u_errorName(status), msg);
19         exit(1);
20     }
21     // printf("Ok: %s\n", msg);
22 }
23 
24 // Append a hex string to the target
25 static UnicodeString& appendHex(uint32_t number,
26                          int8_t digits,
27                          UnicodeString& target) {
28     static const UnicodeString DIGIT_STRING("0123456789ABCDEF");
29     while (digits > 0) {
30         target += DIGIT_STRING[(number >> ((--digits) * 4)) & 0xF];
31     }
32     return target;
33 }
34 
35 // Replace nonprintable characters with unicode escapes
36 UnicodeString escape(const UnicodeString &source) {
37     int32_t i;
38     UnicodeString target;
39     target += "\"";
40     for (i=0; i<source.length(); ++i) {
41         UChar ch = source[i];
42         if (ch < 0x09 || (ch > 0x0A && ch < 0x20) || ch > 0x7E) {
43             target += "\\u";
44             appendHex(ch, 4, target);
45         } else {
46             target += ch;
47         }
48     }
49     target += "\"";
50     return target;
51 }
52 
53 // Print the given string to stdout
54 void uprintf(const UnicodeString &str) {
55     char *buf = 0;
56     int32_t len = str.length();
57     // int32_t bufLen = str.extract(0, len, buf); // Preflight
58     /* Preflighting seems to be broken now, so assume 1-1 conversion,
59        plus some slop. */
60     int32_t bufLen = len + 16;
61 	int32_t actualLen;
62     buf = new char[bufLen + 1];
63     actualLen = str.extract(0, len, buf/*, bufLen*/); // Default codepage conversion
64     buf[actualLen] = 0;
65     printf("%s", buf);
66     delete [] buf;
67 }
68