1/********************************************************************
2 * COPYRIGHT:
3 * Copyright (c) 1999-2002,2009, International Business Machines Corporation and
4 * others. All Rights Reserved.
5 ********************************************************************/
6
7#include "unicode/unistr.h"
8#include <stdio.h>
9#include <stdlib.h>
10
11// Verify that a UErrorCode is successful; exit(1) if not
12void check(UErrorCode& status, const char* msg) {
13    if (U_FAILURE(status)) {
14        printf("ERROR: %s (%s)\n", u_errorName(status), msg);
15        exit(1);
16    }
17    // printf("Ok: %s\n", msg);
18}
19
20// Append a hex string to the target
21static UnicodeString& appendHex(uint32_t number,
22                         int8_t digits,
23                         UnicodeString& target) {
24    static const UnicodeString DIGIT_STRING("0123456789ABCDEF");
25    while (digits > 0) {
26        target += DIGIT_STRING[(number >> ((--digits) * 4)) & 0xF];
27    }
28    return target;
29}
30
31// Replace nonprintable characters with unicode escapes
32UnicodeString escape(const UnicodeString &source) {
33    int32_t i;
34    UnicodeString target;
35    target += "\"";
36    for (i=0; i<source.length(); ++i) {
37        UChar ch = source[i];
38        if (ch < 0x09 || (ch > 0x0A && ch < 0x20) || ch > 0x7E) {
39            target += "\\u";
40            appendHex(ch, 4, target);
41        } else {
42            target += ch;
43        }
44    }
45    target += "\"";
46    return target;
47}
48
49// Print the given string to stdout
50void uprintf(const UnicodeString &str) {
51    char *buf = 0;
52    int32_t len = str.length();
53    // int32_t bufLen = str.extract(0, len, buf); // Preflight
54    /* Preflighting seems to be broken now, so assume 1-1 conversion,
55       plus some slop. */
56    int32_t bufLen = len + 16;
57	int32_t actualLen;
58    buf = new char[bufLen + 1];
59    actualLen = str.extract(0, len, buf/*, bufLen*/); // Default codepage conversion
60    buf[actualLen] = 0;
61    printf("%s", buf);
62    delete[] buf;
63}
64