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<h1>antlr/CharInputBuffer.hpp</h1> </div>
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<a href="CharInputBuffer_8hpp.html">Go to the documentation of this file.</a><div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <span class="preprocessor">#ifndef INC_CharInputBuffer_hpp__</span>
<a name="l00002"></a>00002 <span class="preprocessor"></span><span class="preprocessor"># define INC_CharInputBuffer_hpp__</span>
<a name="l00003"></a>00003 <span class="preprocessor"></span>
<a name="l00004"></a>00004 <span class="comment">/* ANTLR Translator Generator</span>
<a name="l00005"></a>00005 <span class="comment"> * Project led by Terence Parr at http://www.jGuru.com</span>
<a name="l00006"></a>00006 <span class="comment"> * Software rights: http://www.antlr.org/license.html</span>
<a name="l00007"></a>00007 <span class="comment"> *</span>
<a name="l00008"></a>00008 <span class="comment"> * $Id:$</span>
<a name="l00009"></a>00009 <span class="comment"> */</span>
<a name="l00010"></a>00010
<a name="l00011"></a>00011 <span class="preprocessor"># include <antlr/config.hpp></span>
<a name="l00012"></a>00012 <span class="preprocessor"># include <antlr/InputBuffer.hpp></span>
<a name="l00013"></a>00013
<a name="l00014"></a>00014 <span class="preprocessor"># ifdef HAS_NOT_CCTYPE_H</span>
<a name="l00015"></a>00015 <span class="preprocessor"></span><span class="preprocessor"># include <ctype.h></span>
<a name="l00016"></a>00016 <span class="preprocessor"># else</span>
<a name="l00017"></a>00017 <span class="preprocessor"></span><span class="preprocessor"># include <cctype></span>
<a name="l00018"></a>00018 <span class="preprocessor"># endif</span>
<a name="l00019"></a>00019 <span class="preprocessor"></span>
<a name="l00020"></a>00020 <span class="preprocessor">#ifdef ANTLR_CXX_SUPPORTS_NAMESPACE</span>
<a name="l00021"></a>00021 <span class="preprocessor"></span><span class="keyword">namespace </span>antlr {
<a name="l00022"></a>00022 <span class="preprocessor">#endif</span>
<a name="l00023"></a>00023 <span class="preprocessor"></span>
<a name="l00026"></a><a class="code" href="classCharInputBuffer.html">00026</a> <span class="keyword">class </span><a class="code" href="classCharInputBuffer.html">CharInputBuffer</a> : <span class="keyword">public</span> <a class="code" href="classInputBuffer.html">InputBuffer</a>
<a name="l00027"></a>00027 {
<a name="l00028"></a>00028 <span class="keyword">public</span>:
<a name="l00033"></a><a class="code" href="classCharInputBuffer.html#aa6070db9b3add23315cb3fc4f48ef1b6">00033</a> <a class="code" href="classCharInputBuffer.html">CharInputBuffer</a>( <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span>* buf, <span class="keywordtype">size_t</span> size, <span class="keywordtype">bool</span> owner = <span class="keyword">false</span> )
<a name="l00034"></a>00034 : buffer(buf)
<a name="l00035"></a>00035 , ptr(buf)
<a name="l00036"></a>00036 , end(buf + size)
<a name="l00037"></a>00037 , delete_buffer(owner)
<a name="l00038"></a>00038 {
<a name="l00039"></a>00039 }
<a name="l00040"></a>00040
<a name="l00045"></a><a class="code" href="classCharInputBuffer.html#a4ea4ff8761842eb3aee007eca5a6222e">00045</a> ~<a class="code" href="classCharInputBuffer.html">CharInputBuffer</a>( <span class="keywordtype">void</span> )
<a name="l00046"></a>00046 {
<a name="l00047"></a>00047 <span class="keywordflow">if</span>( delete_buffer && buffer )
<a name="l00048"></a>00048 <span class="keyword">delete</span> [] buffer;
<a name="l00049"></a>00049 }
<a name="l00050"></a>00050
<a name="l00055"></a><a class="code" href="classCharInputBuffer.html#a3d17b07c6261c2fb882c0cc980866424">00055</a> <span class="keyword">virtual</span> <span class="keyword">inline</span> <span class="keywordtype">void</span> reset( <span class="keywordtype">void</span> )
<a name="l00056"></a>00056 {
<a name="l00057"></a>00057 <a class="code" href="classInputBuffer.html#a8775d70258996e18e59b5224ee5b3193" title="Reset the input buffer to empty state.">InputBuffer::reset</a>();
<a name="l00058"></a>00058 ptr = buffer;
<a name="l00059"></a>00059 }
<a name="l00060"></a>00060
<a name="l00061"></a><a class="code" href="classCharInputBuffer.html#a206ad055f6cf530b5df9a479d8ebbad7">00061</a> <span class="keyword">virtual</span> <span class="keywordtype">int</span> getChar( <span class="keywordtype">void</span> )
<a name="l00062"></a>00062 {
<a name="l00063"></a>00063 <span class="keywordflow">return</span> (ptr < end) ? *ptr++ : EOF;
<a name="l00064"></a>00064 }
<a name="l00065"></a>00065
<a name="l00066"></a>00066 <span class="keyword">protected</span>:
<a name="l00067"></a><a class="code" href="classCharInputBuffer.html#a75cdf053465baa7b377bc7f2beaf3c37">00067</a> <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span>* <a class="code" href="classCharInputBuffer.html#a75cdf053465baa7b377bc7f2beaf3c37" title="the buffer with data">buffer</a>;
<a name="l00068"></a><a class="code" href="classCharInputBuffer.html#accdb57d0df6b74f4c170b147b26930d9">00068</a> <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span>* <a class="code" href="classCharInputBuffer.html#accdb57d0df6b74f4c170b147b26930d9" title="position ptr into the buffer">ptr</a>;
<a name="l00069"></a><a class="code" href="classCharInputBuffer.html#a177023f4b6d9a1fff9bf0a6c82701a64">00069</a> <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span>* <a class="code" href="classCharInputBuffer.html#a177023f4b6d9a1fff9bf0a6c82701a64" title="end sentry for buffer">end</a>;
<a name="l00070"></a><a class="code" href="classCharInputBuffer.html#aa3d0f000f526e6738927e9a3a3084406">00070</a> <span class="keywordtype">bool</span> <a class="code" href="classCharInputBuffer.html#aa3d0f000f526e6738927e9a3a3084406" title="flag signifying if we have to delete the buffer">delete_buffer</a>;
<a name="l00071"></a>00071 };
<a name="l00072"></a>00072
<a name="l00073"></a>00073 <span class="preprocessor">#ifdef ANTLR_CXX_SUPPORTS_NAMESPACE</span>
<a name="l00074"></a>00074 <span class="preprocessor"></span>}
<a name="l00075"></a>00075 <span class="preprocessor">#endif</span>
<a name="l00076"></a>00076 <span class="preprocessor"></span>
<a name="l00077"></a>00077 <span class="preprocessor">#endif</span>
</pre></div></div>
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