1 // © 2016 and later: Unicode, Inc. and others.
2 // License & terms of use: http://www.unicode.org/copyright.html
3 /*
4 *******************************************************************************
5 * Copyright (C) 2015-2016, International Business Machines
6 * Corporation and others. All Rights Reserved.
7 *******************************************************************************
8 * file name: charstr.cpp
9 */
10 #include "unicode/utypes.h"
11 #include "unicode/putil.h"
12 #include "unicode/unistr.h"
13
14 #include "cstr.h"
15
16 #include "charstr.h"
17 #include "uinvchar.h"
18
19 U_NAMESPACE_BEGIN
20
CStr(const UnicodeString & in)21 CStr::CStr(const UnicodeString &in) {
22 UErrorCode status = U_ZERO_ERROR;
23 #if !UCONFIG_NO_CONVERSION || U_CHARSET_IS_UTF8
24 int32_t length = in.extract(0, in.length(), static_cast<char *>(NULL), static_cast<uint32_t>(0));
25 int32_t resultCapacity = 0;
26 char *buf = s.getAppendBuffer(length, length, resultCapacity, status);
27 if (U_SUCCESS(status)) {
28 in.extract(0, in.length(), buf, resultCapacity);
29 s.append(buf, length, status);
30 }
31 #else
32 // No conversion available. Convert any invariant characters; substitute '?' for the rest.
33 // Note: can't just call u_UCharsToChars() or CharString.appendInvariantChars() on the
34 // whole string because they require that the entire input be invariant.
35 char buf[2];
36 for (int i=0; i<in.length(); i = in.moveIndex32(i, 1)) {
37 if (uprv_isInvariantUString(in.getBuffer()+i, 1)) {
38 u_UCharsToChars(in.getBuffer()+i, buf, 1);
39 } else {
40 buf[0] = '?';
41 }
42 s.append(buf, 1, status);
43 }
44 #endif
45 }
46
~CStr()47 CStr::~CStr() {
48 }
49
operator ()() const50 const char * CStr::operator ()() const {
51 return s.data();
52 }
53
54 U_NAMESPACE_END
55