1 // © 2016 and later: Unicode, Inc. and others.
2 // License & terms of use: http://www.unicode.org/copyright.html
3 /*
4 ******************************************************************************
5 * Copyright (C) 1998-2012, International Business Machines Corporation and
6 * others. All Rights Reserved.
7 ******************************************************************************
8 *
9 * File schriter.cpp
10 *
11 * Modification History:
12 *
13 * Date Name Description
14 * 05/05/99 stephen Cleaned up.
15 ******************************************************************************
16 */
17
18 #include "utypeinfo.h" // for 'typeid' to work
19
20 #include "unicode/chariter.h"
21 #include "unicode/schriter.h"
22
23 U_NAMESPACE_BEGIN
24
UOBJECT_DEFINE_RTTI_IMPLEMENTATION(StringCharacterIterator)25 UOBJECT_DEFINE_RTTI_IMPLEMENTATION(StringCharacterIterator)
26
27 StringCharacterIterator::StringCharacterIterator()
28 : UCharCharacterIterator(),
29 text()
30 {
31 // NEVER DEFAULT CONSTRUCT!
32 }
33
StringCharacterIterator(const UnicodeString & textStr)34 StringCharacterIterator::StringCharacterIterator(const UnicodeString& textStr)
35 : UCharCharacterIterator(textStr.getBuffer(), textStr.length()),
36 text(textStr)
37 {
38 // we had set the input parameter's array, now we need to set our copy's array
39 UCharCharacterIterator::text = this->text.getBuffer();
40 }
41
StringCharacterIterator(const UnicodeString & textStr,int32_t textPos)42 StringCharacterIterator::StringCharacterIterator(const UnicodeString& textStr,
43 int32_t textPos)
44 : UCharCharacterIterator(textStr.getBuffer(), textStr.length(), textPos),
45 text(textStr)
46 {
47 // we had set the input parameter's array, now we need to set our copy's array
48 UCharCharacterIterator::text = this->text.getBuffer();
49 }
50
StringCharacterIterator(const UnicodeString & textStr,int32_t textBegin,int32_t textEnd,int32_t textPos)51 StringCharacterIterator::StringCharacterIterator(const UnicodeString& textStr,
52 int32_t textBegin,
53 int32_t textEnd,
54 int32_t textPos)
55 : UCharCharacterIterator(textStr.getBuffer(), textStr.length(), textBegin, textEnd, textPos),
56 text(textStr)
57 {
58 // we had set the input parameter's array, now we need to set our copy's array
59 UCharCharacterIterator::text = this->text.getBuffer();
60 }
61
StringCharacterIterator(const StringCharacterIterator & that)62 StringCharacterIterator::StringCharacterIterator(const StringCharacterIterator& that)
63 : UCharCharacterIterator(that),
64 text(that.text)
65 {
66 // we had set the input parameter's array, now we need to set our copy's array
67 UCharCharacterIterator::text = this->text.getBuffer();
68 }
69
~StringCharacterIterator()70 StringCharacterIterator::~StringCharacterIterator() {
71 }
72
73 StringCharacterIterator&
operator =(const StringCharacterIterator & that)74 StringCharacterIterator::operator=(const StringCharacterIterator& that) {
75 UCharCharacterIterator::operator=(that);
76 text = that.text;
77 // we had set the input parameter's array, now we need to set our copy's array
78 UCharCharacterIterator::text = this->text.getBuffer();
79 return *this;
80 }
81
82 UBool
operator ==(const ForwardCharacterIterator & that) const83 StringCharacterIterator::operator==(const ForwardCharacterIterator& that) const {
84 if (this == &that) {
85 return TRUE;
86 }
87
88 // do not call UCharCharacterIterator::operator==()
89 // because that checks for array pointer equality
90 // while we compare UnicodeString objects
91
92 if (typeid(*this) != typeid(that)) {
93 return FALSE;
94 }
95
96 StringCharacterIterator& realThat = (StringCharacterIterator&)that;
97
98 return text == realThat.text
99 && pos == realThat.pos
100 && begin == realThat.begin
101 && end == realThat.end;
102 }
103
104 StringCharacterIterator*
clone() const105 StringCharacterIterator::clone() const {
106 return new StringCharacterIterator(*this);
107 }
108
109 void
setText(const UnicodeString & newText)110 StringCharacterIterator::setText(const UnicodeString& newText) {
111 text = newText;
112 UCharCharacterIterator::setText(text.getBuffer(), text.length());
113 }
114
115 void
getText(UnicodeString & result)116 StringCharacterIterator::getText(UnicodeString& result) {
117 result = text;
118 }
119 U_NAMESPACE_END
120