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<h1>XML.h</h1><div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <span class="comment">// This file may be redistributed and modified under the terms of the</span>
<a name="l00002"></a>00002 <span class="comment">// GNU Lesser General Public License (See COPYING for details).</span>
<a name="l00003"></a>00003 <span class="comment">// Copyright (C) 2000-2001 Michael Day, Stefanus Du Toit</span>
<a name="l00004"></a>00004
<a name="l00005"></a>00005 <span class="preprocessor">#ifndef ATLAS_CODECS_XML_H</span>
<a name="l00006"></a>00006 <span class="preprocessor"></span><span class="preprocessor">#define ATLAS_CODECS_XML_H</span>
<a name="l00007"></a>00007 <span class="preprocessor"></span>
<a name="l00008"></a>00008 <span class="preprocessor">#include <Atlas/Codec.h></span>
<a name="l00009"></a>00009
<a name="l00010"></a>00010 <span class="preprocessor">#include <iosfwd></span>
<a name="l00011"></a>00011 <span class="preprocessor">#include <stack></span>
<a name="l00012"></a>00012
<a name="l00013"></a>00013 <span class="keyword">namespace </span>Atlas { <span class="keyword">namespace </span>Codecs {
<a name="l00014"></a>00014
<a name="l00015"></a>00015 <span class="comment">/*</span>
<a name="l00016"></a>00016 <span class="comment"></span>
<a name="l00017"></a>00017 <span class="comment">Sample output for this codec: (whitespace added for clarity)</span>
<a name="l00018"></a>00018 <span class="comment"></span>
<a name="l00019"></a>00019 <span class="comment"><atlas></span>
<a name="l00020"></a>00020 <span class="comment"> <map></span>
<a name="l00021"></a>00021 <span class="comment"> <int name="foo">13</int></span>
<a name="l00022"></a>00022 <span class="comment"> <float name="meep">1.5</float></span>
<a name="l00023"></a>00023 <span class="comment"> <string name="bar">hello</string></span>
<a name="l00024"></a>00024 <span class="comment"> <list name="args"></span>
<a name="l00025"></a>00025 <span class="comment"> <int>1</int></span>
<a name="l00026"></a>00026 <span class="comment"> <int>2</int></span>
<a name="l00027"></a>00027 <span class="comment"> <float>3.0</float></span>
<a name="l00028"></a>00028 <span class="comment"> </list></span>
<a name="l00029"></a>00029 <span class="comment"> </map></span>
<a name="l00030"></a>00030 <span class="comment"></atlas></span>
<a name="l00031"></a>00031 <span class="comment"></span>
<a name="l00032"></a>00032 <span class="comment">The complete specification is located in cvs at:</span>
<a name="l00033"></a>00033 <span class="comment"> forge/protocols/atlas/spec/xml_syntax.html</span>
<a name="l00034"></a>00034 <span class="comment"></span>
<a name="l00035"></a>00035 <span class="comment">*/</span>
<a name="l00036"></a>00036
<a name="l00037"></a>00037 <span class="keyword">class </span>XML : <span class="keyword">public</span> Codec
<a name="l00038"></a>00038 {
<a name="l00039"></a>00039 <span class="keyword">public</span>:
<a name="l00040"></a>00040
<a name="l00041"></a>00041 XML(std::iostream& s, <a class="code" href="class_atlas_1_1_bridge.html" title="Atlas stream bridge.">Atlas::Bridge</a> & b);
<a name="l00042"></a>00042
<a name="l00043"></a>00043 <span class="keyword">virtual</span> <span class="keywordtype">void</span> poll(<span class="keywordtype">bool</span> can_read = <span class="keyword">true</span>);
<a name="l00044"></a>00044
<a name="l00045"></a>00045 <span class="keyword">virtual</span> <span class="keywordtype">void</span> streamBegin();
<a name="l00046"></a>00046 <span class="keyword">virtual</span> <span class="keywordtype">void</span> streamMessage();
<a name="l00047"></a>00047 <span class="keyword">virtual</span> <span class="keywordtype">void</span> streamEnd();
<a name="l00048"></a>00048
<a name="l00049"></a>00049 <span class="keyword">virtual</span> <span class="keywordtype">void</span> mapMapItem(<span class="keyword">const</span> std::string& name);
<a name="l00050"></a>00050 <span class="keyword">virtual</span> <span class="keywordtype">void</span> mapListItem(<span class="keyword">const</span> std::string& name);
<a name="l00051"></a>00051 <span class="keyword">virtual</span> <span class="keywordtype">void</span> mapIntItem(<span class="keyword">const</span> std::string& name, <span class="keywordtype">long</span>);
<a name="l00052"></a>00052 <span class="keyword">virtual</span> <span class="keywordtype">void</span> mapFloatItem(<span class="keyword">const</span> std::string& name, <span class="keywordtype">double</span>);
<a name="l00053"></a>00053 <span class="keyword">virtual</span> <span class="keywordtype">void</span> mapStringItem(<span class="keyword">const</span> std::string& name, <span class="keyword">const</span> std::string&);
<a name="l00054"></a>00054 <span class="keyword">virtual</span> <span class="keywordtype">void</span> mapEnd();
<a name="l00055"></a>00055
<a name="l00056"></a>00056 <span class="keyword">virtual</span> <span class="keywordtype">void</span> listMapItem();
<a name="l00057"></a>00057 <span class="keyword">virtual</span> <span class="keywordtype">void</span> listListItem();
<a name="l00058"></a>00058 <span class="keyword">virtual</span> <span class="keywordtype">void</span> listIntItem(<span class="keywordtype">long</span>);
<a name="l00059"></a>00059 <span class="keyword">virtual</span> <span class="keywordtype">void</span> listFloatItem(<span class="keywordtype">double</span>);
<a name="l00060"></a>00060 <span class="keyword">virtual</span> <span class="keywordtype">void</span> listStringItem(<span class="keyword">const</span> std::string&);
<a name="l00061"></a>00061 <span class="keyword">virtual</span> <span class="keywordtype">void</span> listEnd();
<a name="l00062"></a>00062
<a name="l00063"></a>00063 <span class="keyword">protected</span>:
<a name="l00064"></a>00064
<a name="l00065"></a>00065 std::iostream & m_socket;
<a name="l00066"></a>00066 Bridge & m_bridge;
<a name="l00067"></a>00067
<a name="l00068"></a>00068 <span class="keyword">enum</span> Token
<a name="l00069"></a>00069 {
<a name="l00070"></a>00070 TOKEN_TAG,
<a name="l00071"></a>00071 TOKEN_START_TAG,
<a name="l00072"></a>00072 TOKEN_END_TAG,
<a name="l00073"></a>00073 TOKEN_DATA
<a name="l00074"></a>00074 };
<a name="l00075"></a>00075
<a name="l00076"></a>00076 Token m_token;
<a name="l00077"></a>00077
<a name="l00078"></a>00078 <span class="keyword">enum</span> State
<a name="l00079"></a>00079 {
<a name="l00080"></a>00080 PARSE_NOTHING,
<a name="l00081"></a>00081 PARSE_STREAM,
<a name="l00082"></a>00082 PARSE_MAP,
<a name="l00083"></a>00083 PARSE_LIST,
<a name="l00084"></a>00084 PARSE_INT,
<a name="l00085"></a>00085 PARSE_FLOAT,
<a name="l00086"></a>00086 PARSE_STRING
<a name="l00087"></a>00087 };
<a name="l00088"></a>00088
<a name="l00089"></a>00089 std::stack<State> m_state;
<a name="l00090"></a>00090 std::stack<std::string> m_data;
<a name="l00091"></a>00091
<a name="l00092"></a>00092 std::string m_tag;
<a name="l00093"></a>00093 std::string m_name;
<a name="l00094"></a>00094
<a name="l00095"></a>00095 <span class="keyword">inline</span> <span class="keywordtype">void</span> tokenTag(<span class="keywordtype">char</span>);
<a name="l00096"></a>00096 <span class="keyword">inline</span> <span class="keywordtype">void</span> tokenStartTag(<span class="keywordtype">char</span>);
<a name="l00097"></a>00097 <span class="keyword">inline</span> <span class="keywordtype">void</span> tokenEndTag(<span class="keywordtype">char</span>);
<a name="l00098"></a>00098 <span class="keyword">inline</span> <span class="keywordtype">void</span> tokenData(<span class="keywordtype">char</span>);
<a name="l00099"></a>00099
<a name="l00100"></a>00100 <span class="keyword">inline</span> <span class="keywordtype">void</span> parseStartTag();
<a name="l00101"></a>00101 <span class="keyword">inline</span> <span class="keywordtype">void</span> parseEndTag();
<a name="l00102"></a>00102 };
<a name="l00103"></a>00103
<a name="l00104"></a>00104 } } <span class="comment">// namespace Atlas::Codecs</span>
<a name="l00105"></a>00105
<a name="l00106"></a>00106 <span class="preprocessor">#endif // ATLAS_CODECS_XML_H</span>
</pre></div></div>
<HR>
<P>Copyright 2000-2004 the respective authors.</P>
<P>This document can be licensed under the terms of the GNU Free Documentation
License or the GNU General Public License and may be freely distributed under
the terms given by one of these licenses.</P>
