icuSources/common/schriter.cpp

   1 /*
   2 ******************************************************************************
   3 * Copyright (C) 1998-2007, International Business Machines Corporation and   *
   4 * others. All Rights Reserved.                                               *
   5 ******************************************************************************
   6 *
   7 * File schriter.cpp
   8 *
   9 * Modification History:
  10 *
  11 *   Date        Name        Description
  12 *  05/05/99     stephen     Cleaned up.
  13 ******************************************************************************
  14 */
  15
  16 #include "unicode/chariter.h"
  17 #include "unicode/schriter.h"
  18
  19 U_NAMESPACE_BEGIN
  20
  21 UOBJECT_DEFINE_RTTI_IMPLEMENTATION(StringCharacterIterator)
  22
  23 StringCharacterIterator::StringCharacterIterator()
  24   : UCharCharacterIterator(),
  25     text()
  26 {
  27   // NEVER DEFAULT CONSTRUCT!
  28 }
  29
  30 StringCharacterIterator::StringCharacterIterator(const UnicodeString& textStr)
  31   : UCharCharacterIterator(textStr.getBuffer(), textStr.length()),
  32     text(textStr)
  33 {
  34     // we had set the input parameter's array, now we need to set our copy's array
  35     UCharCharacterIterator::text = this->text.getBuffer();
  36 }
  37
  38 StringCharacterIterator::StringCharacterIterator(const UnicodeString& textStr,
  39                                                  int32_t textPos)
  40   : UCharCharacterIterator(textStr.getBuffer(), textStr.length(), textPos),
  41     text(textStr)
  42 {
  43     // we had set the input parameter's array, now we need to set our copy's array
  44     UCharCharacterIterator::text = this->text.getBuffer();
  45 }
  46
  47 StringCharacterIterator::StringCharacterIterator(const UnicodeString& textStr,
  48                                                  int32_t textBegin,
  49                                                  int32_t textEnd,
  50                                                  int32_t textPos)
  51   : UCharCharacterIterator(textStr.getBuffer(), textStr.length(), textBegin, textEnd, textPos),
  52     text(textStr)
  53 {
  54     // we had set the input parameter's array, now we need to set our copy's array
  55     UCharCharacterIterator::text = this->text.getBuffer();
  56 }
  57
  58 StringCharacterIterator::StringCharacterIterator(const StringCharacterIterator& that)
  59   : UCharCharacterIterator(that),
  60     text(that.text)
  61 {
  62     // we had set the input parameter's array, now we need to set our copy's array
  63     UCharCharacterIterator::text = this->text.getBuffer();
  64 }
  65
  66 StringCharacterIterator::~StringCharacterIterator() {
  67 }
  68
  69 StringCharacterIterator&
  70 StringCharacterIterator::operator=(const StringCharacterIterator& that) {
  71     UCharCharacterIterator::operator=(that);
  72     text = that.text;
  73     // we had set the input parameter's array, now we need to set our copy's array
  74     UCharCharacterIterator::text = this->text.getBuffer();
  75     return *this;
  76 }
  77
  78 UBool
  79 StringCharacterIterator::operator==(const ForwardCharacterIterator& that) const {
  80     if (this == &that) {
  81         return TRUE;
  82     }
  83
  84     // do not call UCharCharacterIterator::operator==()
  85     // because that checks for array pointer equality
  86     // while we compare UnicodeString objects
  87
  88     if (getDynamicClassID() != that.getDynamicClassID()) {
  89         return FALSE;
  90     }
  91
  92     StringCharacterIterator&    realThat = (StringCharacterIterator&)that;
  93
  94     return text == realThat.text
  95         && pos == realThat.pos
  96         && begin == realThat.begin
  97         && end == realThat.end;
  98 }
  99
 100 CharacterIterator*
 101 StringCharacterIterator::clone() const {
 102     return new StringCharacterIterator(*this);
 103 }
 104
 105 void
 106 StringCharacterIterator::setText(const UnicodeString& newText) {
 107     text = newText;
 108     UCharCharacterIterator::setText(text.getBuffer(), text.length());
 109 }
 110
 111 void
 112 StringCharacterIterator::getText(UnicodeString& result) {
 113     result = text;
 114 }
 115 U_NAMESPACE_END