Line data    Source code

       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             : 
      21           0 : CStr::CStr(const UnicodeString &in) {
      22           0 :     UErrorCode status = U_ZERO_ERROR;
      23             : #if !UCONFIG_NO_CONVERSION || U_CHARSET_IS_UTF8
      24           0 :     int32_t length = in.extract(0, in.length(), static_cast<char *>(NULL), static_cast<uint32_t>(0));
      25           0 :     int32_t resultCapacity = 0;
      26           0 :     char *buf = s.getAppendBuffer(length, length, resultCapacity, status);
      27           0 :     if (U_SUCCESS(status)) {
      28           0 :         in.extract(0, in.length(), buf, resultCapacity);
      29           0 :         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           0 : }
      46             : 
      47           0 : CStr::~CStr() {
      48           0 : }
      49             : 
      50           0 : const char * CStr::operator ()() const {
      51           0 :     return s.data();
      52             : }
      53             : 
      54             : U_NAMESPACE_END