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<li class="navelem"><a class="el" href="dir_17297ffb27ce571941f5fb5008f01a1f.html">dl</a></li><li class="navelem"><a class="el" href="dir_880cbdb7e19477dab0ac315d644729fb.html">memory</a></li> </ul>
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<div class="headertitle"><div class="title">dl_memory_bank.h</div></div>
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<div class="contents">
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<a href="dl__memory__bank_8h.html">浏览该文件的文档.</a><div class="fragment"><div class="line"><a id="l00001" name="l00001"></a><span class="lineno"> 1</span></div>
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<div class="line"><a id="l00014" name="l00014"></a><span class="lineno"> 14</span><span class="preprocessor">#pragma once</span></div>
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<div class="line"><a id="l00015" name="l00015"></a><span class="lineno"> 15</span> </div>
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<div class="line"><a id="l00016" name="l00016"></a><span class="lineno"> 16</span><span class="keyword">namespace </span><a class="code hl_namespace" href="namespacedl.html">dl</a></div>
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<div class="line"><a id="l00017" name="l00017"></a><span class="lineno"> 17</span>{</div>
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<div class="line"><a id="l00019" name="l00019"></a><span class="lineno"> 19</span> <span class="keyword">template</span><<span class="keyword">typename</span> T></div>
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<div class="foldopen" id="foldopen00020" data-start="{" data-end="};">
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<div class="line"><a id="l00020" name="l00020"></a><span class="lineno"><a class="line" href="classdl_1_1_memory_bank.html"> 20</a></span> <span class="keyword">class </span><a class="code hl_function" href="classdl_1_1_memory_bank.html#ad8363f2b2b2d9ad1d87c3ca628c428f1">MemoryBank</a></div>
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<div class="line"><a id="l00021" name="l00021"></a><span class="lineno"> 21</span> {</div>
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<div class="line"><a id="l00022" name="l00022"></a><span class="lineno"> 22</span> <span class="keyword">public</span>:</div>
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<div class="foldopen" id="foldopen00023" data-start="{" data-end="}">
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<div class="line"><a id="l00023" name="l00023"></a><span class="lineno"><a class="line" href="classdl_1_1_memory_bank.html#ad8363f2b2b2d9ad1d87c3ca628c428f1"> 23</a></span> <a class="code hl_function" href="classdl_1_1_memory_bank.html#ad8363f2b2b2d9ad1d87c3ca628c428f1">MemoryBank</a>() :</div>
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<div class="line"><a id="l00024" name="l00024"></a><span class="lineno"> 24</span> _p{ nullptr },</div>
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<div class="line"><a id="l00025" name="l00025"></a><span class="lineno"> 25</span> _cur{ 0 },</div>
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<div class="line"><a id="l00026" name="l00026"></a><span class="lineno"> 26</span> _size{ 0 }</div>
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<div class="line"><a id="l00027" name="l00027"></a><span class="lineno"> 27</span> {</div>
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<div class="line"><a id="l00028" name="l00028"></a><span class="lineno"> 28</span> }</div>
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</div>
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<div class="line"><a id="l00029" name="l00029"></a><span class="lineno"> 29</span> </div>
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<div class="foldopen" id="foldopen00030" data-start="{" data-end="}">
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<div class="line"><a id="l00030" name="l00030"></a><span class="lineno"><a class="line" href="classdl_1_1_memory_bank.html#ac25ea49c6d602bfe3becd9d14aa9a1ea"> 30</a></span> <span class="keywordtype">void</span> <a class="code hl_function" href="classdl_1_1_memory_bank.html#ac25ea49c6d602bfe3becd9d14aa9a1ea">Clear</a>()</div>
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<div class="line"><a id="l00031" name="l00031"></a><span class="lineno"> 31</span> {</div>
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<div class="line"><a id="l00032" name="l00032"></a><span class="lineno"> 32</span> <span class="comment">//清空后显示析构</span></div>
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<div class="line"><a id="l00033" name="l00033"></a><span class="lineno"> 33</span> <span class="keywordflow">for</span> (<span class="keywordtype">size_t</span> i = 0; i < _cur; ++i)</div>
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<div class="line"><a id="l00034" name="l00034"></a><span class="lineno"> 34</span> {</div>
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<div class="line"><a id="l00035" name="l00035"></a><span class="lineno"> 35</span> (_p + i)->~<a class="code hl_enumvalue" href="namespacedl.html#a38a0162879cdbfbbe99ba16e7a170132ab9ece18c950afbfa6b0fdbfa4ff731d3">T</a>();</div>
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<div class="line"><a id="l00036" name="l00036"></a><span class="lineno"> 36</span> }</div>
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<div class="line"><a id="l00037" name="l00037"></a><span class="lineno"> 37</span> _cur = 0;</div>
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<div class="line"><a id="l00038" name="l00038"></a><span class="lineno"> 38</span> }</div>
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</div>
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<div class="line"><a id="l00039" name="l00039"></a><span class="lineno"> 39</span> </div>
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<div class="line"><a id="l00040" name="l00040"></a><span class="lineno"> 40</span> <span class="keyword">template</span><<span class="keyword">typename</span>... Args></div>
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<div class="foldopen" id="foldopen00041" data-start="{" data-end="}">
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<div class="line"><a id="l00041" name="l00041"></a><span class="lineno"><a class="line" href="classdl_1_1_memory_bank.html#ac61cfeb8c176bef53d1c68e7b8d6e57f"> 41</a></span> <a class="code hl_enumvalue" href="namespacedl.html#a38a0162879cdbfbbe99ba16e7a170132ab9ece18c950afbfa6b0fdbfa4ff731d3">T</a>* <a class="code hl_function" href="classdl_1_1_memory_bank.html#ac61cfeb8c176bef53d1c68e7b8d6e57f">Get</a>(Args&& ...args)</div>
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<div class="line"><a id="l00042" name="l00042"></a><span class="lineno"> 42</span> {</div>
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<div class="line"><a id="l00043" name="l00043"></a><span class="lineno"> 43</span> _check();</div>
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<div class="line"><a id="l00044" name="l00044"></a><span class="lineno"> 44</span> <span class="keywordflow">return</span> <span class="keyword">new</span> (_p + _cur++) <a class="code hl_enumvalue" href="namespacedl.html#a38a0162879cdbfbbe99ba16e7a170132ab9ece18c950afbfa6b0fdbfa4ff731d3">T</a>(args...);</div>
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<div class="line"><a id="l00045" name="l00045"></a><span class="lineno"> 45</span> }</div>
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</div>
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<div class="line"><a id="l00046" name="l00046"></a><span class="lineno"> 46</span></div>
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<div class="line"><a id="l00048" name="l00048"></a><span class="lineno"><a class="line" href="classdl_1_1_memory_bank.html#ac92539a70c569824bf584215d45164f9"> 48</a></span> <a class="code hl_enumvalue" href="namespacedl.html#a38a0162879cdbfbbe99ba16e7a170132ab9ece18c950afbfa6b0fdbfa4ff731d3">T</a>* <a class="code hl_function" href="classdl_1_1_memory_bank.html#ac92539a70c569824bf584215d45164f9">begin</a>() { <span class="keywordflow">return</span> _p; }</div>
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<div class="line"><a id="l00049" name="l00049"></a><span class="lineno"><a class="line" href="classdl_1_1_memory_bank.html#ab67a54ebed11959c7a7e0302b65e1cdb"> 49</a></span> <a class="code hl_enumvalue" href="namespacedl.html#a38a0162879cdbfbbe99ba16e7a170132ab9ece18c950afbfa6b0fdbfa4ff731d3">T</a>* <a class="code hl_function" href="classdl_1_1_memory_bank.html#ab67a54ebed11959c7a7e0302b65e1cdb">end</a>() { <span class="keywordflow">return</span> _p + _cur; }</div>
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<div class="line"><a id="l00050" name="l00050"></a><span class="lineno"> 50</span> </div>
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<div class="foldopen" id="foldopen00051" data-start="{" data-end="}">
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<div class="line"><a id="l00051" name="l00051"></a><span class="lineno"><a class="line" href="classdl_1_1_memory_bank.html#a197e74edfb4c5b9f06273b16edcb1194"> 51</a></span> <a class="code hl_function" href="classdl_1_1_memory_bank.html#a197e74edfb4c5b9f06273b16edcb1194">~MemoryBank</a>()</div>
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<div class="line"><a id="l00052" name="l00052"></a><span class="lineno"> 52</span> {</div>
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<div class="line"><a id="l00053" name="l00053"></a><span class="lineno"> 53</span> <span class="comment">//需要显示析构</span></div>
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<div class="line"><a id="l00054" name="l00054"></a><span class="lineno"> 54</span> <span class="keywordflow">for</span> (<span class="keywordtype">size_t</span> i = 0; i < _cur; ++i)</div>
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<div class="line"><a id="l00055" name="l00055"></a><span class="lineno"> 55</span> (_p + i)->~T();</div>
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<div class="line"><a id="l00056" name="l00056"></a><span class="lineno"> 56</span> free(_p);</div>
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<div class="line"><a id="l00057" name="l00057"></a><span class="lineno"> 57</span> }</div>
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</div>
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<div class="line"><a id="l00058" name="l00058"></a><span class="lineno"> 58</span> <span class="keyword">private</span>:</div>
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<div class="line"><a id="l00059" name="l00059"></a><span class="lineno"> 59</span> <a class="code hl_enumvalue" href="namespacedl.html#a38a0162879cdbfbbe99ba16e7a170132ab9ece18c950afbfa6b0fdbfa4ff731d3">T</a>* _p;</div>
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<div class="line"><a id="l00060" name="l00060"></a><span class="lineno"> 60</span> <span class="keywordtype">size_t</span> _cur;<span class="comment">//指向下一个空闲位置</span></div>
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<div class="line"><a id="l00061" name="l00061"></a><span class="lineno"> 61</span> <span class="keywordtype">size_t</span> _size;</div>
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<div class="line"><a id="l00062" name="l00062"></a><span class="lineno"> 62</span> </div>
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<div class="line"><a id="l00063" name="l00063"></a><span class="lineno"> 63</span> <span class="keywordtype">void</span> _check()</div>
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<div class="line"><a id="l00064" name="l00064"></a><span class="lineno"> 64</span> {</div>
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<div class="line"><a id="l00065" name="l00065"></a><span class="lineno"> 65</span> <span class="comment">//原有内存不会变化</span></div>
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<div class="line"><a id="l00066" name="l00066"></a><span class="lineno"> 66</span> <span class="keywordflow">if</span> (_cur >= _size)</div>
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<div class="line"><a id="l00067" name="l00067"></a><span class="lineno"> 67</span> {</div>
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<div class="line"><a id="l00068" name="l00068"></a><span class="lineno"> 68</span> _size = _size ? _size * 2 : 1;</div>
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<div class="line"><a id="l00069" name="l00069"></a><span class="lineno"> 69</span> _p = (<a class="code hl_enumvalue" href="namespacedl.html#a38a0162879cdbfbbe99ba16e7a170132ab9ece18c950afbfa6b0fdbfa4ff731d3">T</a>*)realloc(_p, _size * <span class="keyword">sizeof</span>(<a class="code hl_enumvalue" href="namespacedl.html#a38a0162879cdbfbbe99ba16e7a170132ab9ece18c950afbfa6b0fdbfa4ff731d3">T</a>));</div>
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<div class="line"><a id="l00070" name="l00070"></a><span class="lineno"> 70</span> }</div>
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<div class="line"><a id="l00071" name="l00071"></a><span class="lineno"> 71</span> }</div>
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<div class="line"><a id="l00072" name="l00072"></a><span class="lineno"> 72</span> };</div>
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</div>
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<div class="line"><a id="l00073" name="l00073"></a><span class="lineno"> 73</span> </div>
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<div class="line"><a id="l00074" name="l00074"></a><span class="lineno"> 74</span>}</div>
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<div class="ttc" id="aclassdl_1_1_memory_bank_html_a197e74edfb4c5b9f06273b16edcb1194"><div class="ttname"><a href="classdl_1_1_memory_bank.html#a197e74edfb4c5b9f06273b16edcb1194">dl::MemoryBank::~MemoryBank</a></div><div class="ttdeci">~MemoryBank()</div><div class="ttdef"><b>定义</b> <a href="#l00051">dl_memory_bank.h:51</a></div></div>
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<div class="ttc" id="aclassdl_1_1_memory_bank_html_ab67a54ebed11959c7a7e0302b65e1cdb"><div class="ttname"><a href="classdl_1_1_memory_bank.html#ab67a54ebed11959c7a7e0302b65e1cdb">dl::MemoryBank::end</a></div><div class="ttdeci">T * end()</div><div class="ttdef"><b>定义</b> <a href="#l00049">dl_memory_bank.h:49</a></div></div>
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<div class="ttc" id="aclassdl_1_1_memory_bank_html_ac25ea49c6d602bfe3becd9d14aa9a1ea"><div class="ttname"><a href="classdl_1_1_memory_bank.html#ac25ea49c6d602bfe3becd9d14aa9a1ea">dl::MemoryBank::Clear</a></div><div class="ttdeci">void Clear()</div><div class="ttdef"><b>定义</b> <a href="#l00030">dl_memory_bank.h:30</a></div></div>
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<div class="ttc" id="aclassdl_1_1_memory_bank_html_ac61cfeb8c176bef53d1c68e7b8d6e57f"><div class="ttname"><a href="classdl_1_1_memory_bank.html#ac61cfeb8c176bef53d1c68e7b8d6e57f">dl::MemoryBank::Get</a></div><div class="ttdeci">T * Get(Args &&...args)</div><div class="ttdef"><b>定义</b> <a href="#l00041">dl_memory_bank.h:41</a></div></div>
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<div class="ttc" id="aclassdl_1_1_memory_bank_html_ac92539a70c569824bf584215d45164f9"><div class="ttname"><a href="classdl_1_1_memory_bank.html#ac92539a70c569824bf584215d45164f9">dl::MemoryBank::begin</a></div><div class="ttdeci">T * begin()</div><div class="ttdoc">支持C++迭代写法</div><div class="ttdef"><b>定义</b> <a href="#l00048">dl_memory_bank.h:48</a></div></div>
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<div class="ttc" id="aclassdl_1_1_memory_bank_html_ad8363f2b2b2d9ad1d87c3ca628c428f1"><div class="ttname"><a href="classdl_1_1_memory_bank.html#ad8363f2b2b2d9ad1d87c3ca628c428f1">dl::MemoryBank::MemoryBank</a></div><div class="ttdeci">MemoryBank()</div><div class="ttdef"><b>定义</b> <a href="#l00023">dl_memory_bank.h:23</a></div></div>
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<div class="ttc" id="anamespacedl_html"><div class="ttname"><a href="namespacedl.html">dl</a></div><div class="ttdef"><b>定义</b> <a href="dl__array_8h_source.html#l00021">dl_array.h:22</a></div></div>
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<div class="ttc" id="anamespacedl_html_a38a0162879cdbfbbe99ba16e7a170132ab9ece18c950afbfa6b0fdbfa4ff731d3"><div class="ttname"><a href="namespacedl.html#a38a0162879cdbfbbe99ba16e7a170132ab9ece18c950afbfa6b0fdbfa4ff731d3">dl::KeyCode::T</a></div><div class="ttdeci">@ T</div><div class="ttdef"><b>定义</b> <a href="dl__input_8h_source.html#l00121">dl_input.h:121</a></div></div>
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制作者 <a href="https://www.doxygen.org/index.html"><img class="footer" src="doxygen.svg" width="104" height="31" alt="doxygen"/></a> 1.13.1
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