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 using namespace icu;
16
17 // Verify that a UErrorCode is successful; exit(1) if not
check(UErrorCode & status,const char * msg)18 void check(UErrorCode& status, const char* msg) {
19 if (U_FAILURE(status)) {
20 printf("ERROR: %s (%s)\n", u_errorName(status), msg);
21 exit(1);
22 }
23 // printf("Ok: %s\n", msg);
24 }
25
26 // Append a hex string to the target
appendHex(uint32_t number,int8_t digits,UnicodeString & target)27 static UnicodeString& appendHex(uint32_t number,
28 int8_t digits,
29 UnicodeString& target) {
30 static const UnicodeString DIGIT_STRING("0123456789ABCDEF");
31 while (digits > 0) {
32 target += DIGIT_STRING[(number >> ((--digits) * 4)) & 0xF];
33 }
34 return target;
35 }
36
37 // Replace nonprintable characters with unicode escapes
escape(const UnicodeString & source)38 UnicodeString escape(const UnicodeString &source) {
39 int32_t i;
40 UnicodeString target;
41 target += "\"";
42 for (i=0; i<source.length(); ++i) {
43 UChar ch = source[i];
44 if (ch < 0x09 || (ch > 0x0A && ch < 0x20) || ch > 0x7E) {
45 target += "\\u";
46 appendHex(ch, 4, target);
47 } else {
48 target += ch;
49 }
50 }
51 target += "\"";
52 return target;
53 }
54
55 // Print the given string to stdout
uprintf(const UnicodeString & str)56 void uprintf(const UnicodeString &str) {
57 char *buf = 0;
58 int32_t len = str.length();
59 // int32_t bufLen = str.extract(0, len, buf); // Preflight
60 /* Preflighting seems to be broken now, so assume 1-1 conversion,
61 plus some slop. */
62 int32_t bufLen = len + 16;
63 int32_t actualLen;
64 buf = new char[bufLen + 1];
65 actualLen = str.extract(0, len, buf/*, bufLen*/); // Default codepage conversion
66 buf[actualLen] = 0;
67 printf("%s", buf);
68 delete [] buf;
69 }
70