michael@0: /*
michael@0: ******************************************************************************
michael@0: * Copyright (C) 1998-2012, International Business Machines Corporation and
michael@0: * others. All Rights Reserved.
michael@0: ******************************************************************************
michael@0: *
michael@0: * File schriter.cpp
michael@0: *
michael@0: * Modification History:
michael@0: *
michael@0: *   Date        Name        Description
michael@0: *  05/05/99     stephen     Cleaned up.
michael@0: ******************************************************************************
michael@0: */
michael@0: 
michael@0: #include "utypeinfo.h"  // for 'typeid' to work
michael@0: 
michael@0: #include "unicode/chariter.h"
michael@0: #include "unicode/schriter.h"
michael@0: 
michael@0: U_NAMESPACE_BEGIN
michael@0: 
michael@0: UOBJECT_DEFINE_RTTI_IMPLEMENTATION(StringCharacterIterator)
michael@0: 
michael@0: StringCharacterIterator::StringCharacterIterator()
michael@0:   : UCharCharacterIterator(),
michael@0:     text()
michael@0: {
michael@0:   // NEVER DEFAULT CONSTRUCT!
michael@0: }
michael@0: 
michael@0: StringCharacterIterator::StringCharacterIterator(const UnicodeString& textStr)
michael@0:   : UCharCharacterIterator(textStr.getBuffer(), textStr.length()),
michael@0:     text(textStr)
michael@0: {
michael@0:     // we had set the input parameter's array, now we need to set our copy's array
michael@0:     UCharCharacterIterator::text = this->text.getBuffer();
michael@0: }
michael@0: 
michael@0: StringCharacterIterator::StringCharacterIterator(const UnicodeString& textStr,
michael@0:                                                  int32_t textPos)
michael@0:   : UCharCharacterIterator(textStr.getBuffer(), textStr.length(), textPos),
michael@0:     text(textStr)
michael@0: {
michael@0:     // we had set the input parameter's array, now we need to set our copy's array
michael@0:     UCharCharacterIterator::text = this->text.getBuffer();
michael@0: }
michael@0: 
michael@0: StringCharacterIterator::StringCharacterIterator(const UnicodeString& textStr,
michael@0:                                                  int32_t textBegin,
michael@0:                                                  int32_t textEnd,
michael@0:                                                  int32_t textPos)
michael@0:   : UCharCharacterIterator(textStr.getBuffer(), textStr.length(), textBegin, textEnd, textPos),
michael@0:     text(textStr)
michael@0: {
michael@0:     // we had set the input parameter's array, now we need to set our copy's array
michael@0:     UCharCharacterIterator::text = this->text.getBuffer();
michael@0: }
michael@0: 
michael@0: StringCharacterIterator::StringCharacterIterator(const StringCharacterIterator& that)
michael@0:   : UCharCharacterIterator(that),
michael@0:     text(that.text)
michael@0: {
michael@0:     // we had set the input parameter's array, now we need to set our copy's array
michael@0:     UCharCharacterIterator::text = this->text.getBuffer();
michael@0: }
michael@0: 
michael@0: StringCharacterIterator::~StringCharacterIterator() {
michael@0: }
michael@0: 
michael@0: StringCharacterIterator&
michael@0: StringCharacterIterator::operator=(const StringCharacterIterator& that) {
michael@0:     UCharCharacterIterator::operator=(that);
michael@0:     text = that.text;
michael@0:     // we had set the input parameter's array, now we need to set our copy's array
michael@0:     UCharCharacterIterator::text = this->text.getBuffer();
michael@0:     return *this;
michael@0: }
michael@0: 
michael@0: UBool
michael@0: StringCharacterIterator::operator==(const ForwardCharacterIterator& that) const {
michael@0:     if (this == &that) {
michael@0:         return TRUE;
michael@0:     }
michael@0: 
michael@0:     // do not call UCharCharacterIterator::operator==()
michael@0:     // because that checks for array pointer equality
michael@0:     // while we compare UnicodeString objects
michael@0: 
michael@0:     if (typeid(*this) != typeid(that)) {
michael@0:         return FALSE;
michael@0:     }
michael@0: 
michael@0:     StringCharacterIterator&    realThat = (StringCharacterIterator&)that;
michael@0: 
michael@0:     return text == realThat.text
michael@0:         && pos == realThat.pos
michael@0:         && begin == realThat.begin
michael@0:         && end == realThat.end;
michael@0: }
michael@0: 
michael@0: CharacterIterator*
michael@0: StringCharacterIterator::clone() const {
michael@0:     return new StringCharacterIterator(*this);
michael@0: }
michael@0: 
michael@0: void
michael@0: StringCharacterIterator::setText(const UnicodeString& newText) {
michael@0:     text = newText;
michael@0:     UCharCharacterIterator::setText(text.getBuffer(), text.length());
michael@0: }
michael@0: 
michael@0: void
michael@0: StringCharacterIterator::getText(UnicodeString& result) {
michael@0:     result = text;
michael@0: }
michael@0: U_NAMESPACE_END