icuSources/common/schriter.cpp

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