icuSources/common/schriter.cpp

   1 // © 2016 and later: Unicode, Inc. and others.
   2 // License & terms of use: http://www.unicode.org/copyright.html
   3 /*
   4 ******************************************************************************
   5 * Copyright (C) 1998-2012, International Business Machines Corporation and
   6 * others. All Rights Reserved.
   7 ******************************************************************************
   8 *
   9 * File schriter.cpp
  10 *
  11 * Modification History:
  12 *
  13 *   Date        Name        Description
  14 *  05/05/99     stephen     Cleaned up.
  15 ******************************************************************************
  16 */
  17
  18 #include "utypeinfo.h"  // for 'typeid' to work
  19
  20 #include "unicode/chariter.h"
  21 #include "unicode/schriter.h"
  22
  23 U_NAMESPACE_BEGIN
  24
  25 UOBJECT_DEFINE_RTTI_IMPLEMENTATION(StringCharacterIterator)
  26
  27 StringCharacterIterator::StringCharacterIterator()
  28   : UCharCharacterIterator(),
  29     text()
  30 {
  31   // NEVER DEFAULT CONSTRUCT!
  32 }
  33
  34 StringCharacterIterator::StringCharacterIterator(const UnicodeString& textStr)
  35   : UCharCharacterIterator(textStr.getBuffer(), textStr.length()),
  36     text(textStr)
  37 {
  38     // we had set the input parameter's array, now we need to set our copy's array
  39     UCharCharacterIterator::text = this->text.getBuffer();
  40 }
  41
  42 StringCharacterIterator::StringCharacterIterator(const UnicodeString& textStr,
  43                                                  int32_t textPos)
  44   : UCharCharacterIterator(textStr.getBuffer(), textStr.length(), textPos),
  45     text(textStr)
  46 {
  47     // we had set the input parameter's array, now we need to set our copy's array
  48     UCharCharacterIterator::text = this->text.getBuffer();
  49 }
  50
  51 StringCharacterIterator::StringCharacterIterator(const UnicodeString& textStr,
  52                                                  int32_t textBegin,
  53                                                  int32_t textEnd,
  54                                                  int32_t textPos)
  55   : UCharCharacterIterator(textStr.getBuffer(), textStr.length(), textBegin, textEnd, textPos),
  56     text(textStr)
  57 {
  58     // we had set the input parameter's array, now we need to set our copy's array
  59     UCharCharacterIterator::text = this->text.getBuffer();
  60 }
  61
  62 StringCharacterIterator::StringCharacterIterator(const StringCharacterIterator& that)
  63   : UCharCharacterIterator(that),
  64     text(that.text)
  65 {
  66     // we had set the input parameter's array, now we need to set our copy's array
  67     UCharCharacterIterator::text = this->text.getBuffer();
  68 }
  69
  70 StringCharacterIterator::~StringCharacterIterator() {
  71 }
  72
  73 StringCharacterIterator&
  74 StringCharacterIterator::operator=(const StringCharacterIterator& that) {
  75     UCharCharacterIterator::operator=(that);
  76     text = that.text;
  77     // we had set the input parameter's array, now we need to set our copy's array
  78     UCharCharacterIterator::text = this->text.getBuffer();
  79     return *this;
  80 }
  81
  82 UBool
  83 StringCharacterIterator::operator==(const ForwardCharacterIterator& that) const {
  84     if (this == &that) {
  85         return TRUE;
  86     }
  87
  88     // do not call UCharCharacterIterator::operator==()
  89     // because that checks for array pointer equality
  90     // while we compare UnicodeString objects
  91
  92     if (typeid(*this) != typeid(that)) {
  93         return FALSE;
  94     }
  95
  96     StringCharacterIterator&    realThat = (StringCharacterIterator&)that;
  97
  98     return text == realThat.text
  99         && pos == realThat.pos
 100         && begin == realThat.begin
 101         && end == realThat.end;
 102 }
 103
 104 CharacterIterator*
 105 StringCharacterIterator::clone() const {
 106     return new StringCharacterIterator(*this);
 107 }
 108
 109 void
 110 StringCharacterIterator::setText(const UnicodeString& newText) {
 111     text = newText;
 112     UCharCharacterIterator::setText(text.getBuffer(), text.length());
 113 }
 114
 115 void
 116 StringCharacterIterator::getText(UnicodeString& result) {
 117     result = text;
 118 }
 119 U_NAMESPACE_END