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<div class="title">XML.h</div> </div>
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<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="comment">// $Id$</span>
<a name="l00006"></a>00006
<a name="l00007"></a>00007 <span class="preprocessor">#ifndef ATLAS_CODECS_XML_H</span>
<a name="l00008"></a>00008 <span class="preprocessor"></span><span class="preprocessor">#define ATLAS_CODECS_XML_H</span>
<a name="l00009"></a>00009 <span class="preprocessor"></span>
<a name="l00010"></a>00010 <span class="preprocessor">#include <Atlas/Codec.h></span>
<a name="l00011"></a>00011
<a name="l00012"></a>00012 <span class="preprocessor">#include <iosfwd></span>
<a name="l00013"></a>00013 <span class="preprocessor">#include <stack></span>
<a name="l00014"></a>00014
<a name="l00015"></a>00015 <span class="keyword">namespace </span>Atlas { <span class="keyword">namespace </span>Codecs {
<a name="l00016"></a>00016
<a name="l00017"></a>00017 <span class="comment">/*</span>
<a name="l00018"></a>00018 <span class="comment"></span>
<a name="l00019"></a>00019 <span class="comment">Sample output for this codec: (whitespace added for clarity)</span>
<a name="l00020"></a>00020 <span class="comment"></span>
<a name="l00021"></a>00021 <span class="comment"><atlas></span>
<a name="l00022"></a>00022 <span class="comment"> <map></span>
<a name="l00023"></a>00023 <span class="comment"> <int name="foo">13</int></span>
<a name="l00024"></a>00024 <span class="comment"> <float name="meep">1.5</float></span>
<a name="l00025"></a>00025 <span class="comment"> <string name="bar">hello</string></span>
<a name="l00026"></a>00026 <span class="comment"> <list name="args"></span>
<a name="l00027"></a>00027 <span class="comment"> <int>1</int></span>
<a name="l00028"></a>00028 <span class="comment"> <int>2</int></span>
<a name="l00029"></a>00029 <span class="comment"> <float>3.0</float></span>
<a name="l00030"></a>00030 <span class="comment"> </list></span>
<a name="l00031"></a>00031 <span class="comment"> </map></span>
<a name="l00032"></a>00032 <span class="comment"></atlas></span>
<a name="l00033"></a>00033 <span class="comment"></span>
<a name="l00034"></a>00034 <span class="comment">The complete specification is located in cvs at:</span>
<a name="l00035"></a>00035 <span class="comment"> forge/protocols/atlas/spec/xml_syntax.html</span>
<a name="l00036"></a>00036 <span class="comment"></span>
<a name="l00037"></a>00037 <span class="comment">*/</span>
<a name="l00038"></a>00038
<a name="l00039"></a><a class="code" href="class_atlas_1_1_codecs_1_1_x_m_l.html">00039</a> <span class="keyword">class </span><a class="code" href="class_atlas_1_1_codecs_1_1_x_m_l.html">XML</a> : <span class="keyword">public</span> <a class="code" href="class_atlas_1_1_codec.html" title="Atlas stream codec.">Codec</a>
<a name="l00040"></a>00040 {
<a name="l00041"></a>00041 <span class="keyword">public</span>:
<a name="l00042"></a>00042
<a name="l00043"></a>00043 <a class="code" href="class_atlas_1_1_codecs_1_1_x_m_l.html">XML</a>(std::iostream& s, <a class="code" href="class_atlas_1_1_bridge.html" title="Atlas stream bridge.">Atlas::Bridge</a> & b);
<a name="l00044"></a>00044
<a name="l00045"></a>00045 <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="l00046"></a>00046
<a name="l00047"></a>00047 <span class="keyword">virtual</span> <span class="keywordtype">void</span> <a class="code" href="class_atlas_1_1_codecs_1_1_x_m_l.html#a9cbefd1382ea48a02f6bfbe77522c69c" title="Begin an Atlas stream.">streamBegin</a>();
<a name="l00048"></a>00048 <span class="keyword">virtual</span> <span class="keywordtype">void</span> <a class="code" href="class_atlas_1_1_codecs_1_1_x_m_l.html#aa6ce5cd99469c6721f48801b281ad932" title="Start a message in an Atlas stream.">streamMessage</a>();
<a name="l00049"></a>00049 <span class="keyword">virtual</span> <span class="keywordtype">void</span> <a class="code" href="class_atlas_1_1_codecs_1_1_x_m_l.html#a55d9bf52e0dfaf21c9a2d3bb4791eb4d" title="Ends the Atlas stream.">streamEnd</a>();
<a name="l00050"></a>00050
<a name="l00051"></a>00051 <span class="keyword">virtual</span> <span class="keywordtype">void</span> <a class="code" href="class_atlas_1_1_codecs_1_1_x_m_l.html#a86e959f3be8b632c9f1a423200f62c7f" title="Starts a map object to the currently streamed map.">mapMapItem</a>(<span class="keyword">const</span> std::string& name);
<a name="l00052"></a>00052 <span class="keyword">virtual</span> <span class="keywordtype">void</span> <a class="code" href="class_atlas_1_1_codecs_1_1_x_m_l.html#a56da44d433a35492f7942954b274c62e" title="Starts a list object to the currently streamed map.">mapListItem</a>(<span class="keyword">const</span> std::string& name);
<a name="l00053"></a>00053 <span class="keyword">virtual</span> <span class="keywordtype">void</span> <a class="code" href="class_atlas_1_1_codecs_1_1_x_m_l.html#add8bd6b56acff81a028cd3a6c531dd26" title="Adds an integer to the currently streames map.">mapIntItem</a>(<span class="keyword">const</span> std::string& name, <span class="keywordtype">long</span>);
<a name="l00054"></a>00054 <span class="keyword">virtual</span> <span class="keywordtype">void</span> <a class="code" href="class_atlas_1_1_codecs_1_1_x_m_l.html#a8441bcaec4501d333afc35f933c8174e" title="Adds a float to the currently streamed map.">mapFloatItem</a>(<span class="keyword">const</span> std::string& name, <span class="keywordtype">double</span>);
<a name="l00055"></a>00055 <span class="keyword">virtual</span> <span class="keywordtype">void</span> <a class="code" href="class_atlas_1_1_codecs_1_1_x_m_l.html#a5355b556b056d470969239d15c0f9de6" title="Adds a string to the currently streamed map.">mapStringItem</a>(<span class="keyword">const</span> std::string& name, <span class="keyword">const</span> std::string&);
<a name="l00056"></a>00056 <span class="keyword">virtual</span> <span class="keywordtype">void</span> <a class="code" href="class_atlas_1_1_codecs_1_1_x_m_l.html#a7f1597a56dfc8dacd25e0e01b945509d" title="Ends the currently streamed map.">mapEnd</a>();
<a name="l00057"></a>00057
<a name="l00058"></a>00058 <span class="keyword">virtual</span> <span class="keywordtype">void</span> <a class="code" href="class_atlas_1_1_codecs_1_1_x_m_l.html#a774ee041ef0b366e9d4774d05a0d59cc" title="Starts a map object in the currently streamed list.">listMapItem</a>();
<a name="l00059"></a>00059 <span class="keyword">virtual</span> <span class="keywordtype">void</span> <a class="code" href="class_atlas_1_1_codecs_1_1_x_m_l.html#a988dec1eb555a628e126e6b7b9ca3030" title="Starts a list object in the currently streamed list.">listListItem</a>();
<a name="l00060"></a>00060 <span class="keyword">virtual</span> <span class="keywordtype">void</span> <a class="code" href="class_atlas_1_1_codecs_1_1_x_m_l.html#a8efdd84a2883040a5e3474296182987b" title="Adds an integer to the currently streames list.">listIntItem</a>(<span class="keywordtype">long</span>);
<a name="l00061"></a>00061 <span class="keyword">virtual</span> <span class="keywordtype">void</span> <a class="code" href="class_atlas_1_1_codecs_1_1_x_m_l.html#ad7cf9e3357e26620b6050ed655069deb" title="Adds a float to the currently streamed list.">listFloatItem</a>(<span class="keywordtype">double</span>);
<a name="l00062"></a>00062 <span class="keyword">virtual</span> <span class="keywordtype">void</span> <a class="code" href="class_atlas_1_1_codecs_1_1_x_m_l.html#a2114ad49bbc74f4fa720c3cb026dc4c5" title="Adds a string to the currently streamed list.">listStringItem</a>(<span class="keyword">const</span> std::string&);
<a name="l00063"></a>00063 <span class="keyword">virtual</span> <span class="keywordtype">void</span> <a class="code" href="class_atlas_1_1_codecs_1_1_x_m_l.html#a6733dc902217abf8e0077acee9344b6e" title="Ends the currently streamed list.">listEnd</a>();
<a name="l00064"></a>00064
<a name="l00065"></a>00065 <span class="keyword">protected</span>:
<a name="l00066"></a>00066
<a name="l00067"></a>00067 std::iostream & m_socket;
<a name="l00068"></a>00068 <a class="code" href="class_atlas_1_1_bridge.html" title="Atlas stream bridge.">Bridge</a> & m_bridge;
<a name="l00069"></a>00069
<a name="l00070"></a>00070 <span class="keyword">enum</span> Token
<a name="l00071"></a>00071 {
<a name="l00072"></a>00072 TOKEN_TAG,
<a name="l00073"></a>00073 TOKEN_START_TAG,
<a name="l00074"></a>00074 TOKEN_END_TAG,
<a name="l00075"></a>00075 TOKEN_DATA
<a name="l00076"></a>00076 };
<a name="l00077"></a>00077
<a name="l00078"></a>00078 Token m_token;
<a name="l00079"></a>00079
<a name="l00080"></a>00080 <span class="keyword">enum</span> State
<a name="l00081"></a>00081 {
<a name="l00082"></a>00082 PARSE_NOTHING,
<a name="l00083"></a>00083 PARSE_STREAM,
<a name="l00084"></a>00084 PARSE_MAP,
<a name="l00085"></a>00085 PARSE_LIST,
<a name="l00086"></a>00086 PARSE_INT,
<a name="l00087"></a>00087 PARSE_FLOAT,
<a name="l00088"></a>00088 PARSE_STRING
<a name="l00089"></a>00089 };
<a name="l00090"></a>00090
<a name="l00091"></a>00091 std::stack<State> m_state;
<a name="l00092"></a>00092 std::stack<std::string> m_data;
<a name="l00093"></a>00093
<a name="l00094"></a>00094 std::string m_tag;
<a name="l00095"></a>00095 std::string m_name;
<a name="l00096"></a>00096
<a name="l00097"></a>00097 <span class="keyword">inline</span> <span class="keywordtype">void</span> tokenTag(<span class="keywordtype">char</span>);
<a name="l00098"></a>00098 <span class="keyword">inline</span> <span class="keywordtype">void</span> tokenStartTag(<span class="keywordtype">char</span>);
<a name="l00099"></a>00099 <span class="keyword">inline</span> <span class="keywordtype">void</span> tokenEndTag(<span class="keywordtype">char</span>);
<a name="l00100"></a>00100 <span class="keyword">inline</span> <span class="keywordtype">void</span> tokenData(<span class="keywordtype">char</span>);
<a name="l00101"></a>00101
<a name="l00102"></a>00102 <span class="keyword">inline</span> <span class="keywordtype">void</span> parseStartTag();
<a name="l00103"></a>00103 <span class="keyword">inline</span> <span class="keywordtype">void</span> parseEndTag();
<a name="l00104"></a>00104 };
<a name="l00105"></a>00105
<a name="l00106"></a>00106 } } <span class="comment">// namespace Atlas::Codecs</span>
<a name="l00107"></a>00107
<a name="l00108"></a>00108 <span class="preprocessor">#endif // ATLAS_CODECS_XML_H</span>
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