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      1 /*
      2 ******************************************************************************
      3 * Copyright (C) 1998-2010, 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/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
    118