MADARA  3.1.8
Iterator.cpp
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1 #ifndef _TREE_ITERATOR_CPP
2 #define _TREE_ITERATOR_CPP
3 
4 #ifndef _MADARA_NO_KARL_
5 
6 #include <stdlib.h>
7 #include <algorithm>
8 #include <sstream>
9 
10 #include "madara/utility/Refcounter.h"
11 #include "madara/expression/Iterator.h"
12 #include "madara/expression/ExpressionTree.h"
13 
15 
16 madara::expression::ExpressionTreeIterator::ExpressionTreeIterator (
17  const ExpressionTreeIterator &ts)
18  : impl_ (ts.impl_)
19 {
20 
21 }
22 
24 
25 madara::expression::ExpressionTreeIterator::ExpressionTreeIterator (
26  ExpressionTreeIteratorImpl *impl)
27  : impl_ (impl)
28 {
29 }
30 
33 
34 madara::expression::ExpressionTree
35 madara::expression::ExpressionTreeIterator::operator* (void)
36 {
37  // return impl_->operator* ();
38  return *(*impl_);
39 }
40 
42 
43 const madara::expression::ExpressionTree
44 madara::expression::ExpressionTreeIterator::operator* (void) const
45 {
46  // return impl_->operator* ();
47  return *(*impl_);
48 }
49 
51 
52 madara::expression::ExpressionTreeIterator &
53 madara::expression::ExpressionTreeIterator::operator++ (void)
54 {
55  // return impl_->operator++ ();
56  ++(*impl_);
57  return *this;
58 }
59 
61 
62 madara::expression::ExpressionTreeIterator
63 madara::expression::ExpressionTreeIterator::operator++ (int)
64 {
65  ExpressionTreeIterator temp (impl_->clone ());
66  // return impl_->operator++ ();
67  ++(*impl_);
68  return temp;
69 }
70 
72 
73 bool
74 madara::expression::ExpressionTreeIterator::operator== (
75  const ExpressionTreeIterator &rhs)
76 {
77  // return impl_->operator () == rhs.impl_->operator ();
78  return *impl_ == *rhs.impl_;
79 }
80 
82 
83 bool
84 madara::expression::ExpressionTreeIterator::operator!= (
85  const ExpressionTreeIterator &rhs)
86 {
87  return !(*this == rhs);
88 }
89 
91 
92 madara::expression::ExpressionTreeConstIterator::ExpressionTreeConstIterator (
93  const ExpressionTreeConstIterator &ts)
94  : impl_ (ts.impl_)
95 {
96 }
97 
99 
100 madara::expression::ExpressionTreeConstIterator::ExpressionTreeConstIterator (
101  ExpressionTreeIteratorImpl * impl)
102  : impl_ (impl)
103 {
104 }
105 
107 
108 const madara::expression::ExpressionTree
109 madara::expression::ExpressionTreeConstIterator::operator* (void) const
110 {
111  return *(*impl_);
112 }
113 
115 
116 madara::expression::ExpressionTreeConstIterator &
117 madara::expression::ExpressionTreeConstIterator::operator++ (void)
118 {
119  ++(*impl_);
120  return *this;
121 }
122 
124 
125 madara::expression::ExpressionTreeConstIterator
126 madara::expression::ExpressionTreeConstIterator::operator++ (int)
127 {
128  ExpressionTreeConstIterator temp (impl_.get_ptr ()->clone ());
129  ++(*impl_);
130  return *this;
131 }
132 
134 
135 bool
136 madara::expression::ExpressionTreeConstIterator::operator== (
137  const ExpressionTreeConstIterator &rhs)
138 {
139  return impl_->operator == (*rhs.impl_);
140 }
141 
143 
144 bool
145 madara::expression::ExpressionTreeConstIterator::operator!= (
146  const ExpressionTreeConstIterator &rhs)
147 {
148  return !(*this == rhs);
149 }
150 
151 #endif // _MADARA_NO_KARL_
152 
153 #endif /* _TREE_ITERATOR_CPP */
madara::expression::ExpressionTree
Encapsulates a MADARA KaRL expression into an evaluatable tree.
Definition: ExpressionTree.h:28
madara::expression::ExpressionTreeIterator::operator!=
bool operator!=(const ExpressionTreeIterator &rhs)
In-equality operator.
Definition: Iterator.cpp:84
madara::expression::ExpressionTreeConstIterator::ExpressionTreeConstIterator
ExpressionTreeConstIterator(const ExpressionTreeConstIterator &ts)
Copy ctor - needed for reference counting.
Definition: Iterator.cpp:92
madara::expression::ExpressionTreeConstIterator
Constant iterator over an expression tree.
Definition: Iterator.h:76
madara::expression::ExpressionTreeIterator
Non-const iterator for traversing an expression tree.
Definition: Iterator.h:26
madara::expression::ExpressionTreeConstIterator::operator==
bool operator==(const ExpressionTreeConstIterator &rhs)
Equality operator.
Definition: Iterator.cpp:136
madara::expression::ExpressionTreeIterator::operator++
ExpressionTreeIterator & operator++(void)
Preincrement operator.
Definition: Iterator.cpp:53
madara::expression::ExpressionTreeIterator::operator==
bool operator==(const ExpressionTreeIterator &rhs)
Equality operator.
Definition: Iterator.cpp:74
madara::expression::ExpressionTreeIterator::operator*
ExpressionTree operator*(void)
Dereference operator returns a reference to the item contained at the current position.
Definition: Iterator.cpp:35
madara::expression::ExpressionTreeIterator::ExpressionTreeIterator
ExpressionTreeIterator(const ExpressionTreeIterator &ts)
Copy ctor - needed for reference counting.
Definition: Iterator.cpp:16
madara::expression::ExpressionTreeConstIterator::operator*
const ExpressionTree operator*(void) const
Returns a const reference to the item contained at the current position.
Definition: Iterator.cpp:109
madara::expression::ExpressionTreeIterator::impl_
madara::utility::Refcounter< ExpressionTreeIteratorImpl > impl_
Definition: Iterator.h:64
madara::expression::ExpressionTreeConstIterator::impl_
madara::utility::Refcounter< ExpressionTreeIteratorImpl > impl_
Pointer to actual implementation, i.e., the "bridge", which is reference counted to automate memory m...
Definition: Iterator.h:110
madara::expression::ExpressionTreeConstIterator::operator++
ExpressionTreeConstIterator & operator++(void)
Preincrement operator.
Definition: Iterator.cpp:117
madara::expression::ExpressionTreeIteratorImpl
Implementation of the ExpressionTreeIterator pattern that is used to define the various iterations al...
Definition: IteratorImpl.h:41
madara::expression::ExpressionTreeConstIterator::operator!=
bool operator!=(const ExpressionTreeConstIterator &rhs)
Nonequality operator.
Definition: Iterator.cpp:145