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      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
    116