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<div class="title">stack.h</div> </div>
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<a href="../../d7/de0/stack_8h.html">Go to the documentation of this file.</a><div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno"> 1</span>&#160;<span class="comment">/**</span></div>
<div class="line"><a name="l00002"></a><span class="lineno"> 2</span>&#160;<span class="comment"> * @file stack.h</span></div>
<div class="line"><a name="l00003"></a><span class="lineno"> 3</span>&#160;<span class="comment"> * @author danghai</span></div>
<div class="line"><a name="l00004"></a><span class="lineno"> 4</span>&#160;<span class="comment"> * @brief This class specifies the basic operation on a stack as a linked list</span></div>
<div class="line"><a name="l00005"></a><span class="lineno"> 5</span>&#160;<span class="comment"> **/</span></div>
<div class="line"><a name="l00006"></a><span class="lineno"> 6</span>&#160;<span class="preprocessor">#ifndef DATA_STRUCTURES_STACK_H_</span></div>
<div class="line"><a name="l00007"></a><span class="lineno"> 7</span>&#160;<span class="preprocessor">#define DATA_STRUCTURES_STACK_H_</span></div>
<div class="line"><a name="l00008"></a><span class="lineno"> 8</span>&#160; </div>
<div class="line"><a name="l00009"></a><span class="lineno"> 9</span>&#160;<span class="preprocessor">#include &lt;cassert&gt;</span></div>
<div class="line"><a name="l00010"></a><span class="lineno"> 10</span>&#160;<span class="preprocessor">#include &lt;iostream&gt;</span></div>
<div class="line"><a name="l00011"></a><span class="lineno"> 11</span>&#160;<span class="comment"></span> </div>
<div class="line"><a name="l00012"></a><span class="lineno"> 12</span>&#160;<span class="comment">/** Definition of the node as a linked-list</span></div>
<div class="line"><a name="l00013"></a><span class="lineno"> 13</span>&#160;<span class="comment"> * \tparam Type type of data nodes of the linked list should contain</span></div>
<div class="line"><a name="l00014"></a><span class="lineno"> 14</span>&#160;<span class="comment"> */</span></div>
<div class="line"><a name="l00015"></a><span class="lineno"> 15</span>&#160;<span class="keyword">template</span> &lt;<span class="keyword">class</span> Type&gt;</div>
<div class="line"><a name="l00016"></a><span class="lineno"> 16</span>&#160;<span class="keyword">struct </span><a class="code" href="../../d5/da1/structnode.html">node</a> {</div>
<div class="line"><a name="l00017"></a><span class="lineno"><a class="line" href="../../d5/da1/structnode.html#a42309387b3fa0237ec200c025071ad37"> 17</a></span>&#160; Type <a class="code" href="../../d5/da1/structnode.html#a42309387b3fa0237ec200c025071ad37">data</a>; <span class="comment">///&lt; data at current node</span></div>
<div class="line"><a name="l00018"></a><span class="lineno"><a class="line" href="../../d5/da1/structnode.html#a135f25acadfbba644f848f1aa18d8350"> 18</a></span>&#160; <a class="code" href="../../d5/da1/structnode.html">node&lt;Type&gt;</a> *<a class="code" href="../../d5/da1/structnode.html#a135f25acadfbba644f848f1aa18d8350">next</a>; <span class="comment">///&lt; pointer to the next ::node instance</span></div>
<div class="line"><a name="l00019"></a><span class="lineno"> 19</span>&#160;};</div>
<div class="line"><a name="l00020"></a><span class="lineno"> 20</span>&#160;<span class="comment"></span> </div>
<div class="line"><a name="l00021"></a><span class="lineno"> 21</span>&#160;<span class="comment">/** Definition of the stack class</span></div>
<div class="line"><a name="l00022"></a><span class="lineno"> 22</span>&#160;<span class="comment"> * \tparam Type type of data nodes of the linked list in the stack should</span></div>
<div class="line"><a name="l00023"></a><span class="lineno"> 23</span>&#160;<span class="comment"> * contain</span></div>
<div class="line"><a name="l00024"></a><span class="lineno"> 24</span>&#160;<span class="comment"> */</span></div>
<div class="line"><a name="l00025"></a><span class="lineno"> 25</span>&#160;<span class="keyword">template</span> &lt;<span class="keyword">class</span> Type&gt;</div>
<div class="line"><a name="l00026"></a><span class="lineno"><a class="line" href="../../d1/dc2/classstack.html"> 26</a></span>&#160;<span class="keyword">class </span><a class="code" href="../../d1/dc2/classstack.html">stack</a> {</div>
<div class="line"><a name="l00027"></a><span class="lineno"> 27</span>&#160; <span class="keyword">public</span>:<span class="comment"></span></div>
<div class="line"><a name="l00028"></a><span class="lineno"> 28</span>&#160;<span class="comment"> /** Show stack */</span></div>
<div class="line"><a name="l00029"></a><span class="lineno"><a class="line" href="../../d1/dc2/classstack.html#a67f65710c376f67d1ba3bde45a9cb628"> 29</a></span>&#160; <span class="keywordtype">void</span> <a class="code" href="../../d1/dc2/classstack.html#a67f65710c376f67d1ba3bde45a9cb628">display</a>() {</div>
<div class="line"><a name="l00030"></a><span class="lineno"> 30</span>&#160; <a class="code" href="../../d5/da1/structnode.html">node&lt;Type&gt;</a> *current = <a class="code" href="../../d1/dc2/classstack.html#a7289037c059aaad492b4d68e6bd54453">stackTop</a>;</div>
<div class="line"><a name="l00031"></a><span class="lineno"> 31</span>&#160; <a class="codeRef" target="_blank" href="http://en.cppreference.com/w/cpp/io/basic_ostream.html">std::cout</a> &lt;&lt; <span class="stringliteral">&quot;Top --&gt; &quot;</span>;</div>
<div class="line"><a name="l00032"></a><span class="lineno"> 32</span>&#160; <span class="keywordflow">while</span> (current != <span class="keyword">nullptr</span>) {</div>
<div class="line"><a name="l00033"></a><span class="lineno"> 33</span>&#160; <a class="codeRef" target="_blank" href="http://en.cppreference.com/w/cpp/io/basic_ostream.html">std::cout</a> &lt;&lt; current-&gt;data &lt;&lt; <span class="stringliteral">&quot; &quot;</span>;</div>
<div class="line"><a name="l00034"></a><span class="lineno"> 34</span>&#160; current = current-&gt;next;</div>
<div class="line"><a name="l00035"></a><span class="lineno"> 35</span>&#160; }</div>
<div class="line"><a name="l00036"></a><span class="lineno"> 36</span>&#160; <a class="codeRef" target="_blank" href="http://en.cppreference.com/w/cpp/io/basic_ostream.html">std::cout</a> &lt;&lt; <a class="codeRef" target="_blank" href="http://en.cppreference.com/w/cpp/io/manip/endl.html">std::endl</a>;</div>
<div class="line"><a name="l00037"></a><span class="lineno"> 37</span>&#160; <a class="codeRef" target="_blank" href="http://en.cppreference.com/w/cpp/io/basic_ostream.html">std::cout</a> &lt;&lt; <span class="stringliteral">&quot;Size of stack: &quot;</span> &lt;&lt; <a class="code" href="../../d1/dc2/classstack.html#ac512a3efdc84a5f5c9f53905c8e219b0">size</a> &lt;&lt; <a class="codeRef" target="_blank" href="http://en.cppreference.com/w/cpp/io/manip/endl.html">std::endl</a>;</div>
<div class="line"><a name="l00038"></a><span class="lineno"> 38</span>&#160; }</div>
<div class="line"><a name="l00039"></a><span class="lineno"> 39</span>&#160;<span class="comment"></span> </div>
<div class="line"><a name="l00040"></a><span class="lineno"> 40</span>&#160;<span class="comment"> /** Default constructor*/</span></div>
<div class="line"><a name="l00041"></a><span class="lineno"><a class="line" href="../../d1/dc2/classstack.html#a5b64337ec34b12e98458bb9b9d5f8f83"> 41</a></span>&#160; <a class="code" href="../../d1/dc2/classstack.html#a5b64337ec34b12e98458bb9b9d5f8f83">stack</a>() {</div>
<div class="line"><a name="l00042"></a><span class="lineno"> 42</span>&#160; <a class="code" href="../../d1/dc2/classstack.html#a7289037c059aaad492b4d68e6bd54453">stackTop</a> = <span class="keyword">nullptr</span>;</div>
<div class="line"><a name="l00043"></a><span class="lineno"> 43</span>&#160; <a class="code" href="../../d1/dc2/classstack.html#ac512a3efdc84a5f5c9f53905c8e219b0">size</a> = 0;</div>
<div class="line"><a name="l00044"></a><span class="lineno"> 44</span>&#160; }</div>
<div class="line"><a name="l00045"></a><span class="lineno"> 45</span>&#160;<span class="comment"></span> </div>
<div class="line"><a name="l00046"></a><span class="lineno"> 46</span>&#160;<span class="comment"> /** Copy constructor*/</span></div>
<div class="line"><a name="l00047"></a><span class="lineno"><a class="line" href="../../d1/dc2/classstack.html#ae8547e097cc753d5eab0207ed23d8920"> 47</a></span>&#160; <span class="keyword">explicit</span> <a class="code" href="../../d1/dc2/classstack.html#ae8547e097cc753d5eab0207ed23d8920">stack</a>(<span class="keyword">const</span> <a class="code" href="../../d1/dc2/classstack.html">stack&lt;Type&gt;</a> &amp;otherStack) {</div>
<div class="line"><a name="l00048"></a><span class="lineno"> 48</span>&#160; <a class="code" href="../../d5/da1/structnode.html">node&lt;Type&gt;</a> *newNode, *current, *last;</div>
<div class="line"><a name="l00049"></a><span class="lineno"> 49</span>&#160; </div>
<div class="line"><a name="l00050"></a><span class="lineno"> 50</span>&#160; <span class="comment">/* If stack is no empty, make it empty */</span></div>
<div class="line"><a name="l00051"></a><span class="lineno"> 51</span>&#160; <span class="keywordflow">if</span> (<a class="code" href="../../d1/dc2/classstack.html#a7289037c059aaad492b4d68e6bd54453">stackTop</a> != <span class="keyword">nullptr</span>) {</div>
<div class="line"><a name="l00052"></a><span class="lineno"> 52</span>&#160; <a class="code" href="../../d1/dc2/classstack.html#a7289037c059aaad492b4d68e6bd54453">stackTop</a> = <span class="keyword">nullptr</span>;</div>
<div class="line"><a name="l00053"></a><span class="lineno"> 53</span>&#160; }</div>
<div class="line"><a name="l00054"></a><span class="lineno"> 54</span>&#160; <span class="keywordflow">if</span> (otherStack.<a class="code" href="../../d1/dc2/classstack.html#a7289037c059aaad492b4d68e6bd54453">stackTop</a> == <span class="keyword">nullptr</span>) {</div>
<div class="line"><a name="l00055"></a><span class="lineno"> 55</span>&#160; <a class="code" href="../../d1/dc2/classstack.html#a7289037c059aaad492b4d68e6bd54453">stackTop</a> = <span class="keyword">nullptr</span>;</div>
<div class="line"><a name="l00056"></a><span class="lineno"> 56</span>&#160; } <span class="keywordflow">else</span> {</div>
<div class="line"><a name="l00057"></a><span class="lineno"> 57</span>&#160; current = otherStack.<a class="code" href="../../d1/dc2/classstack.html#a7289037c059aaad492b4d68e6bd54453">stackTop</a>;</div>
<div class="line"><a name="l00058"></a><span class="lineno"> 58</span>&#160; <a class="code" href="../../d1/dc2/classstack.html#a7289037c059aaad492b4d68e6bd54453">stackTop</a> = <span class="keyword">new</span> <a class="code" href="../../d5/da1/structnode.html">node&lt;Type&gt;</a>;</div>
<div class="line"><a name="l00059"></a><span class="lineno"> 59</span>&#160; <a class="code" href="../../d1/dc2/classstack.html#a7289037c059aaad492b4d68e6bd54453">stackTop</a>-&gt;data = current-&gt;data;</div>
<div class="line"><a name="l00060"></a><span class="lineno"> 60</span>&#160; <a class="code" href="../../d1/dc2/classstack.html#a7289037c059aaad492b4d68e6bd54453">stackTop</a>-&gt;next = <span class="keyword">nullptr</span>;</div>
<div class="line"><a name="l00061"></a><span class="lineno"> 61</span>&#160; last = <a class="code" href="../../d1/dc2/classstack.html#a7289037c059aaad492b4d68e6bd54453">stackTop</a>;</div>
<div class="line"><a name="l00062"></a><span class="lineno"> 62</span>&#160; current = current-&gt;next;</div>
<div class="line"><a name="l00063"></a><span class="lineno"> 63</span>&#160; <span class="comment">/* Copy the remaining stack */</span></div>
<div class="line"><a name="l00064"></a><span class="lineno"> 64</span>&#160; <span class="keywordflow">while</span> (current != <span class="keyword">nullptr</span>) {</div>
<div class="line"><a name="l00065"></a><span class="lineno"> 65</span>&#160; newNode = <span class="keyword">new</span> <a class="code" href="../../d5/da1/structnode.html">node&lt;Type&gt;</a>;</div>
<div class="line"><a name="l00066"></a><span class="lineno"> 66</span>&#160; newNode-&gt;data = current-&gt;data;</div>
<div class="line"><a name="l00067"></a><span class="lineno"> 67</span>&#160; newNode-&gt;next = <span class="keyword">nullptr</span>;</div>
<div class="line"><a name="l00068"></a><span class="lineno"> 68</span>&#160; last-&gt;next = newNode;</div>
<div class="line"><a name="l00069"></a><span class="lineno"> 69</span>&#160; last = newNode;</div>
<div class="line"><a name="l00070"></a><span class="lineno"> 70</span>&#160; current = current-&gt;next;</div>
<div class="line"><a name="l00071"></a><span class="lineno"> 71</span>&#160; }</div>
<div class="line"><a name="l00072"></a><span class="lineno"> 72</span>&#160; }</div>
<div class="line"><a name="l00073"></a><span class="lineno"> 73</span>&#160; <a class="code" href="../../d1/dc2/classstack.html#ac512a3efdc84a5f5c9f53905c8e219b0">size</a> = otherStack.<a class="code" href="../../d1/dc2/classstack.html#ac512a3efdc84a5f5c9f53905c8e219b0">size</a>;</div>
<div class="line"><a name="l00074"></a><span class="lineno"> 74</span>&#160; }</div>
<div class="line"><a name="l00075"></a><span class="lineno"> 75</span>&#160;<span class="comment"></span> </div>
<div class="line"><a name="l00076"></a><span class="lineno"> 76</span>&#160;<span class="comment"> /** Destructor */</span></div>
<div class="line"><a name="l00077"></a><span class="lineno"><a class="line" href="../../d1/dc2/classstack.html#a0ac1dba9c7019acdc825b31d06eb0b71"> 77</a></span>&#160; <a class="code" href="../../d1/dc2/classstack.html#a0ac1dba9c7019acdc825b31d06eb0b71">~stack</a>() {}</div>
<div class="line"><a name="l00078"></a><span class="lineno"> 78</span>&#160;<span class="comment"></span> </div>
<div class="line"><a name="l00079"></a><span class="lineno"> 79</span>&#160;<span class="comment"> /** Determine whether the stack is empty */</span></div>
<div class="line"><a name="l00080"></a><span class="lineno"><a class="line" href="../../d1/dc2/classstack.html#a066e4505155b009913c47b2648b1067a"> 80</a></span>&#160; <span class="keywordtype">bool</span> <a class="code" href="../../d1/dc2/classstack.html#a066e4505155b009913c47b2648b1067a">isEmptyStack</a>() { <span class="keywordflow">return</span> (<a class="code" href="../../d1/dc2/classstack.html#a7289037c059aaad492b4d68e6bd54453">stackTop</a> == <span class="keyword">nullptr</span>); }</div>
<div class="line"><a name="l00081"></a><span class="lineno"> 81</span>&#160;<span class="comment"></span> </div>
<div class="line"><a name="l00082"></a><span class="lineno"> 82</span>&#160;<span class="comment"> /** Add new item to the stack */</span></div>
<div class="line"><a name="l00083"></a><span class="lineno"><a class="line" href="../../d1/dc2/classstack.html#a5705c3926dcf5fd3f9c964467a50b81d"> 83</a></span>&#160; <span class="keywordtype">void</span> <a class="code" href="../../d1/dc2/classstack.html#a5705c3926dcf5fd3f9c964467a50b81d">push</a>(Type item) {</div>
<div class="line"><a name="l00084"></a><span class="lineno"> 84</span>&#160; <a class="code" href="../../d5/da1/structnode.html">node&lt;Type&gt;</a> *newNode;</div>
<div class="line"><a name="l00085"></a><span class="lineno"> 85</span>&#160; newNode = <span class="keyword">new</span> <a class="code" href="../../d5/da1/structnode.html">node&lt;Type&gt;</a>;</div>
<div class="line"><a name="l00086"></a><span class="lineno"> 86</span>&#160; newNode-&gt;data = item;</div>
<div class="line"><a name="l00087"></a><span class="lineno"> 87</span>&#160; newNode-&gt;next = <a class="code" href="../../d1/dc2/classstack.html#a7289037c059aaad492b4d68e6bd54453">stackTop</a>;</div>
<div class="line"><a name="l00088"></a><span class="lineno"> 88</span>&#160; <a class="code" href="../../d1/dc2/classstack.html#a7289037c059aaad492b4d68e6bd54453">stackTop</a> = newNode;</div>
<div class="line"><a name="l00089"></a><span class="lineno"> 89</span>&#160; <a class="code" href="../../d1/dc2/classstack.html#ac512a3efdc84a5f5c9f53905c8e219b0">size</a>++;</div>
<div class="line"><a name="l00090"></a><span class="lineno"> 90</span>&#160; }</div>
<div class="line"><a name="l00091"></a><span class="lineno"> 91</span>&#160;<span class="comment"></span> </div>
<div class="line"><a name="l00092"></a><span class="lineno"> 92</span>&#160;<span class="comment"> /** Return the top element of the stack */</span></div>
<div class="line"><a name="l00093"></a><span class="lineno"><a class="line" href="../../d1/dc2/classstack.html#a21c0bb6ce7dcfe445cc12031977ea344"> 93</a></span>&#160; Type <a class="code" href="../../d1/dc2/classstack.html#a21c0bb6ce7dcfe445cc12031977ea344">top</a>() {</div>
<div class="line"><a name="l00094"></a><span class="lineno"> 94</span>&#160; assert(<a class="code" href="../../d1/dc2/classstack.html#a7289037c059aaad492b4d68e6bd54453">stackTop</a> != <span class="keyword">nullptr</span>);</div>
<div class="line"><a name="l00095"></a><span class="lineno"> 95</span>&#160; <span class="keywordflow">return</span> <a class="code" href="../../d1/dc2/classstack.html#a7289037c059aaad492b4d68e6bd54453">stackTop</a>-&gt;data;</div>
<div class="line"><a name="l00096"></a><span class="lineno"> 96</span>&#160; }</div>
<div class="line"><a name="l00097"></a><span class="lineno"> 97</span>&#160;<span class="comment"></span> </div>
<div class="line"><a name="l00098"></a><span class="lineno"> 98</span>&#160;<span class="comment"> /** Remove the top element of the stack */</span></div>
<div class="line"><a name="l00099"></a><span class="lineno"><a class="line" href="../../d1/dc2/classstack.html#a6cd4b95d5de00d41b2491392338384dc"> 99</a></span>&#160; <span class="keywordtype">void</span> <a class="code" href="../../d1/dc2/classstack.html#a6cd4b95d5de00d41b2491392338384dc">pop</a>() {</div>
<div class="line"><a name="l00100"></a><span class="lineno"> 100</span>&#160; <a class="code" href="../../d5/da1/structnode.html">node&lt;Type&gt;</a> *temp;</div>
<div class="line"><a name="l00101"></a><span class="lineno"> 101</span>&#160; <span class="keywordflow">if</span> (!<a class="code" href="../../d1/dc2/classstack.html#a066e4505155b009913c47b2648b1067a">isEmptyStack</a>()) {</div>
<div class="line"><a name="l00102"></a><span class="lineno"> 102</span>&#160; temp = <a class="code" href="../../d1/dc2/classstack.html#a7289037c059aaad492b4d68e6bd54453">stackTop</a>;</div>
<div class="line"><a name="l00103"></a><span class="lineno"> 103</span>&#160; <a class="code" href="../../d1/dc2/classstack.html#a7289037c059aaad492b4d68e6bd54453">stackTop</a> = <a class="code" href="../../d1/dc2/classstack.html#a7289037c059aaad492b4d68e6bd54453">stackTop</a>-&gt;next;</div>
<div class="line"><a name="l00104"></a><span class="lineno"> 104</span>&#160; <span class="keyword">delete</span> temp;</div>
<div class="line"><a name="l00105"></a><span class="lineno"> 105</span>&#160; <a class="code" href="../../d1/dc2/classstack.html#ac512a3efdc84a5f5c9f53905c8e219b0">size</a>--;</div>
<div class="line"><a name="l00106"></a><span class="lineno"> 106</span>&#160; } <span class="keywordflow">else</span> {</div>
<div class="line"><a name="l00107"></a><span class="lineno"> 107</span>&#160; <a class="codeRef" target="_blank" href="http://en.cppreference.com/w/cpp/io/basic_ostream.html">std::cout</a> &lt;&lt; <span class="stringliteral">&quot;Stack is empty !&quot;</span> &lt;&lt; <a class="codeRef" target="_blank" href="http://en.cppreference.com/w/cpp/io/manip/endl.html">std::endl</a>;</div>
<div class="line"><a name="l00108"></a><span class="lineno"> 108</span>&#160; }</div>
<div class="line"><a name="l00109"></a><span class="lineno"> 109</span>&#160; }</div>
<div class="line"><a name="l00110"></a><span class="lineno"> 110</span>&#160;<span class="comment"></span> </div>
<div class="line"><a name="l00111"></a><span class="lineno"> 111</span>&#160;<span class="comment"> /** Clear stack */</span></div>
<div class="line"><a name="l00112"></a><span class="lineno"><a class="line" href="../../d1/dc2/classstack.html#a5cc5efbbd4ea14b3e378580f1388423b"> 112</a></span>&#160; <span class="keywordtype">void</span> <a class="code" href="../../d1/dc2/classstack.html#a5cc5efbbd4ea14b3e378580f1388423b">clear</a>() { <a class="code" href="../../d1/dc2/classstack.html#a7289037c059aaad492b4d68e6bd54453">stackTop</a> = <span class="keyword">nullptr</span>; }</div>
<div class="line"><a name="l00113"></a><span class="lineno"> 113</span>&#160;<span class="comment"></span> </div>
<div class="line"><a name="l00114"></a><span class="lineno"> 114</span>&#160;<span class="comment"> /** Overload &quot;=&quot; the assignment operator */</span></div>
<div class="line"><a name="l00115"></a><span class="lineno"><a class="line" href="../../d1/dc2/classstack.html#a61370d5fbaf9ec6bca4a8c114c1058e1"> 115</a></span>&#160; <a class="code" href="../../d1/dc2/classstack.html">stack&lt;Type&gt;</a> &amp;<a class="code" href="../../d1/dc2/classstack.html#a61370d5fbaf9ec6bca4a8c114c1058e1">operator=</a>(<span class="keyword">const</span> <a class="code" href="../../d1/dc2/classstack.html">stack&lt;Type&gt;</a> &amp;otherStack) {</div>
<div class="line"><a name="l00116"></a><span class="lineno"> 116</span>&#160; <a class="code" href="../../d5/da1/structnode.html">node&lt;Type&gt;</a> *newNode, *current, *last;</div>
<div class="line"><a name="l00117"></a><span class="lineno"> 117</span>&#160; </div>
<div class="line"><a name="l00118"></a><span class="lineno"> 118</span>&#160; <span class="comment">/* If stack is no empty, make it empty */</span></div>
<div class="line"><a name="l00119"></a><span class="lineno"> 119</span>&#160; <span class="keywordflow">if</span> (<a class="code" href="../../d1/dc2/classstack.html#a7289037c059aaad492b4d68e6bd54453">stackTop</a> != <span class="keyword">nullptr</span>) {</div>
<div class="line"><a name="l00120"></a><span class="lineno"> 120</span>&#160; <a class="code" href="../../d1/dc2/classstack.html#a7289037c059aaad492b4d68e6bd54453">stackTop</a> = <span class="keyword">nullptr</span>;</div>
<div class="line"><a name="l00121"></a><span class="lineno"> 121</span>&#160; }</div>
<div class="line"><a name="l00122"></a><span class="lineno"> 122</span>&#160; <span class="keywordflow">if</span> (otherStack.<a class="code" href="../../d1/dc2/classstack.html#a7289037c059aaad492b4d68e6bd54453">stackTop</a> == <span class="keyword">nullptr</span>) {</div>
<div class="line"><a name="l00123"></a><span class="lineno"> 123</span>&#160; <a class="code" href="../../d1/dc2/classstack.html#a7289037c059aaad492b4d68e6bd54453">stackTop</a> = <span class="keyword">nullptr</span>;</div>
<div class="line"><a name="l00124"></a><span class="lineno"> 124</span>&#160; } <span class="keywordflow">else</span> {</div>
<div class="line"><a name="l00125"></a><span class="lineno"> 125</span>&#160; current = otherStack.<a class="code" href="../../d1/dc2/classstack.html#a7289037c059aaad492b4d68e6bd54453">stackTop</a>;</div>
<div class="line"><a name="l00126"></a><span class="lineno"> 126</span>&#160; <a class="code" href="../../d1/dc2/classstack.html#a7289037c059aaad492b4d68e6bd54453">stackTop</a> = <span class="keyword">new</span> <a class="code" href="../../d5/da1/structnode.html">node&lt;Type&gt;</a>;</div>
<div class="line"><a name="l00127"></a><span class="lineno"> 127</span>&#160; <a class="code" href="../../d1/dc2/classstack.html#a7289037c059aaad492b4d68e6bd54453">stackTop</a>-&gt;data = current-&gt;data;</div>
<div class="line"><a name="l00128"></a><span class="lineno"> 128</span>&#160; <a class="code" href="../../d1/dc2/classstack.html#a7289037c059aaad492b4d68e6bd54453">stackTop</a>-&gt;next = <span class="keyword">nullptr</span>;</div>
<div class="line"><a name="l00129"></a><span class="lineno"> 129</span>&#160; last = <a class="code" href="../../d1/dc2/classstack.html#a7289037c059aaad492b4d68e6bd54453">stackTop</a>;</div>
<div class="line"><a name="l00130"></a><span class="lineno"> 130</span>&#160; current = current-&gt;next;</div>
<div class="line"><a name="l00131"></a><span class="lineno"> 131</span>&#160; <span class="comment">/* Copy the remaining stack */</span></div>
<div class="line"><a name="l00132"></a><span class="lineno"> 132</span>&#160; <span class="keywordflow">while</span> (current != <span class="keyword">nullptr</span>) {</div>
<div class="line"><a name="l00133"></a><span class="lineno"> 133</span>&#160; newNode = <span class="keyword">new</span> <a class="code" href="../../d5/da1/structnode.html">node&lt;Type&gt;</a>;</div>
<div class="line"><a name="l00134"></a><span class="lineno"> 134</span>&#160; newNode-&gt;data = current-&gt;data;</div>
<div class="line"><a name="l00135"></a><span class="lineno"> 135</span>&#160; newNode-&gt;next = <span class="keyword">nullptr</span>;</div>
<div class="line"><a name="l00136"></a><span class="lineno"> 136</span>&#160; last-&gt;next = newNode;</div>
<div class="line"><a name="l00137"></a><span class="lineno"> 137</span>&#160; last = newNode;</div>
<div class="line"><a name="l00138"></a><span class="lineno"> 138</span>&#160; current = current-&gt;next;</div>
<div class="line"><a name="l00139"></a><span class="lineno"> 139</span>&#160; }</div>
<div class="line"><a name="l00140"></a><span class="lineno"> 140</span>&#160; }</div>
<div class="line"><a name="l00141"></a><span class="lineno"> 141</span>&#160; <a class="code" href="../../d1/dc2/classstack.html#ac512a3efdc84a5f5c9f53905c8e219b0">size</a> = otherStack.<a class="code" href="../../d1/dc2/classstack.html#ac512a3efdc84a5f5c9f53905c8e219b0">size</a>;</div>
<div class="line"><a name="l00142"></a><span class="lineno"> 142</span>&#160; <span class="keywordflow">return</span> *<span class="keyword">this</span>;</div>
<div class="line"><a name="l00143"></a><span class="lineno"> 143</span>&#160; }</div>
<div class="line"><a name="l00144"></a><span class="lineno"> 144</span>&#160; </div>
<div class="line"><a name="l00145"></a><span class="lineno"> 145</span>&#160; <span class="keyword">private</span>:</div>
<div class="line"><a name="l00146"></a><span class="lineno"><a class="line" href="../../d1/dc2/classstack.html#a7289037c059aaad492b4d68e6bd54453"> 146</a></span>&#160; <a class="code" href="../../d5/da1/structnode.html">node&lt;Type&gt;</a> *<a class="code" href="../../d1/dc2/classstack.html#a7289037c059aaad492b4d68e6bd54453">stackTop</a>; <span class="comment">/**&lt; Pointer to the stack */</span></div>
<div class="line"><a name="l00147"></a><span class="lineno"><a class="line" href="../../d1/dc2/classstack.html#ac512a3efdc84a5f5c9f53905c8e219b0"> 147</a></span>&#160; <span class="keywordtype">int</span> <a class="code" href="../../d1/dc2/classstack.html#ac512a3efdc84a5f5c9f53905c8e219b0">size</a>; <span class="comment">///&lt; size of stack</span></div>
<div class="line"><a name="l00148"></a><span class="lineno"> 148</span>&#160;};</div>
<div class="line"><a name="l00149"></a><span class="lineno"> 149</span>&#160; </div>
<div class="line"><a name="l00150"></a><span class="lineno"> 150</span>&#160;<span class="preprocessor">#endif </span><span class="comment">// DATA_STRUCTURES_STACK_H_</span></div>
<div class="ttc" id="abasic_ostream_html"><div class="ttname"><a href="http://en.cppreference.com/w/cpp/io/basic_ostream.html">std::cout</a></div></div>
<div class="ttc" id="aclassstack_html"><div class="ttname"><a href="../../d1/dc2/classstack.html">stack</a></div><div class="ttdef"><b>Definition:</b> stack.h:26</div></div>
<div class="ttc" id="aclassstack_html_a066e4505155b009913c47b2648b1067a"><div class="ttname"><a href="../../d1/dc2/classstack.html#a066e4505155b009913c47b2648b1067a">stack::isEmptyStack</a></div><div class="ttdeci">bool isEmptyStack()</div><div class="ttdef"><b>Definition:</b> stack.h:80</div></div>
<div class="ttc" id="aclassstack_html_a0ac1dba9c7019acdc825b31d06eb0b71"><div class="ttname"><a href="../../d1/dc2/classstack.html#a0ac1dba9c7019acdc825b31d06eb0b71">stack::~stack</a></div><div class="ttdeci">~stack()</div><div class="ttdef"><b>Definition:</b> stack.h:77</div></div>
<div class="ttc" id="aclassstack_html_a21c0bb6ce7dcfe445cc12031977ea344"><div class="ttname"><a href="../../d1/dc2/classstack.html#a21c0bb6ce7dcfe445cc12031977ea344">stack::top</a></div><div class="ttdeci">Type top()</div><div class="ttdef"><b>Definition:</b> stack.h:93</div></div>
<div class="ttc" id="aclassstack_html_a5705c3926dcf5fd3f9c964467a50b81d"><div class="ttname"><a href="../../d1/dc2/classstack.html#a5705c3926dcf5fd3f9c964467a50b81d">stack::push</a></div><div class="ttdeci">void push(Type item)</div><div class="ttdef"><b>Definition:</b> stack.h:83</div></div>
<div class="ttc" id="aclassstack_html_a5b64337ec34b12e98458bb9b9d5f8f83"><div class="ttname"><a href="../../d1/dc2/classstack.html#a5b64337ec34b12e98458bb9b9d5f8f83">stack::stack</a></div><div class="ttdeci">stack()</div><div class="ttdef"><b>Definition:</b> stack.h:41</div></div>
<div class="ttc" id="aclassstack_html_a5cc5efbbd4ea14b3e378580f1388423b"><div class="ttname"><a href="../../d1/dc2/classstack.html#a5cc5efbbd4ea14b3e378580f1388423b">stack::clear</a></div><div class="ttdeci">void clear()</div><div class="ttdef"><b>Definition:</b> stack.h:112</div></div>
<div class="ttc" id="aclassstack_html_a61370d5fbaf9ec6bca4a8c114c1058e1"><div class="ttname"><a href="../../d1/dc2/classstack.html#a61370d5fbaf9ec6bca4a8c114c1058e1">stack::operator=</a></div><div class="ttdeci">stack&lt; Type &gt; &amp; operator=(const stack&lt; Type &gt; &amp;otherStack)</div><div class="ttdef"><b>Definition:</b> stack.h:115</div></div>
<div class="ttc" id="aclassstack_html_a67f65710c376f67d1ba3bde45a9cb628"><div class="ttname"><a href="../../d1/dc2/classstack.html#a67f65710c376f67d1ba3bde45a9cb628">stack::display</a></div><div class="ttdeci">void display()</div><div class="ttdef"><b>Definition:</b> stack.h:29</div></div>
<div class="ttc" id="aclassstack_html_a6cd4b95d5de00d41b2491392338384dc"><div class="ttname"><a href="../../d1/dc2/classstack.html#a6cd4b95d5de00d41b2491392338384dc">stack::pop</a></div><div class="ttdeci">void pop()</div><div class="ttdef"><b>Definition:</b> stack.h:99</div></div>
<div class="ttc" id="aclassstack_html_a7289037c059aaad492b4d68e6bd54453"><div class="ttname"><a href="../../d1/dc2/classstack.html#a7289037c059aaad492b4d68e6bd54453">stack::stackTop</a></div><div class="ttdeci">node&lt; Type &gt; * stackTop</div><div class="ttdef"><b>Definition:</b> stack.h:146</div></div>
<div class="ttc" id="aclassstack_html_ac512a3efdc84a5f5c9f53905c8e219b0"><div class="ttname"><a href="../../d1/dc2/classstack.html#ac512a3efdc84a5f5c9f53905c8e219b0">stack::size</a></div><div class="ttdeci">int size</div><div class="ttdoc">size of stack</div><div class="ttdef"><b>Definition:</b> stack.h:147</div></div>
<div class="ttc" id="aclassstack_html_ae8547e097cc753d5eab0207ed23d8920"><div class="ttname"><a href="../../d1/dc2/classstack.html#ae8547e097cc753d5eab0207ed23d8920">stack::stack</a></div><div class="ttdeci">stack(const stack&lt; Type &gt; &amp;otherStack)</div><div class="ttdef"><b>Definition:</b> stack.h:47</div></div>
<div class="ttc" id="aendl_html"><div class="ttname"><a href="http://en.cppreference.com/w/cpp/io/manip/endl.html">std::endl</a></div><div class="ttdeci">T endl(T... args)</div></div>
<div class="ttc" id="astructnode_html"><div class="ttname"><a href="../../d5/da1/structnode.html">node</a></div><div class="ttdef"><b>Definition:</b> avltree.cpp:13</div></div>
<div class="ttc" id="astructnode_html_a135f25acadfbba644f848f1aa18d8350"><div class="ttname"><a href="../../d5/da1/structnode.html#a135f25acadfbba644f848f1aa18d8350">node::next</a></div><div class="ttdeci">node&lt; Type &gt; * next</div><div class="ttdoc">pointer to the next node instance</div><div class="ttdef"><b>Definition:</b> stack.h:18</div></div>
<div class="ttc" id="astructnode_html_a42309387b3fa0237ec200c025071ad37"><div class="ttname"><a href="../../d5/da1/structnode.html#a42309387b3fa0237ec200c025071ad37">node::data</a></div><div class="ttdeci">Type data</div><div class="ttdoc">data at current node</div><div class="ttdef"><b>Definition:</b> stack.h:17</div></div>
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