1// Copyright (C) 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 19U_NAMESPACE_BEGIN 20 21CStr::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 47CStr::~CStr() { 48} 49 50const char * CStr::operator ()() const { 51 return s.data(); 52} 53 54U_NAMESPACE_END 55