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<h1>include/interface.h</h1> </div>
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<a href="interface_8h.html">Go to the documentation of this file.</a><div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <span class="preprocessor">#ifndef __INTERFACE_H__</span>
<a name="l00002"></a>00002 <span class="preprocessor"></span><span class="preprocessor">#define __INTERFACE_H__</span>
<a name="l00003"></a>00003 <span class="preprocessor"></span>
<a name="l00004"></a>00004 <span class="preprocessor">#include <sys/types.h></span>
<a name="l00005"></a>00005
<a name="l00006"></a><a class="code" href="interface_8h.html#ad620a89e939b586d6a025cf342da8e55">00006</a> <span class="preprocessor">#define MAX_IFACE 32 // ATTENTION: every iface_impl will use MAX_IFACE * sizeof(void*)</span>
<a name="l00007"></a>00007 <span class="preprocessor"></span>
<a name="l00008"></a><a class="code" href="interface_8h.html#a02255665665c91d905ec32d00d9a4a85">00008</a> <span class="preprocessor">#define IFACE(name) ((const struct i_##name const*)&i_##name##_impl)</span>
<a name="l00009"></a>00009 <span class="preprocessor"></span>
<a name="l00010"></a><a class="code" href="interface_8h.html#a446cc7d7282f8a0b8e62a371671ea605">00010</a> <span class="preprocessor">#define INIT_IFACE(name,...) \</span>
<a name="l00011"></a>00011 <span class="preprocessor"> static const struct i_##name i_##name##_impl = {&i_##name,__VA_ARGS__}</span>
<a name="l00012"></a>00012 <span class="preprocessor"></span>
<a name="l00013"></a><a class="code" href="interface_8h.html#a9dda4d034150e3159927f83d9d15d840">00013</a> <span class="preprocessor">#define NUMARGS(...) (sizeof((const void*[]){__VA_ARGS__})/sizeof(void*))</span>
<a name="l00014"></a>00014 <span class="preprocessor"></span>
<a name="l00015"></a><a class="code" href="interface_8h.html#a6e8015282e5aac5747daff5bb71d8601">00015</a> <span class="preprocessor">#define INIT_IMPL(...) {NUMARGS(__VA_ARGS__), 0, {__VA_ARGS__}}</span>
<a name="l00016"></a><a class="code" href="interface_8h.html#a855b98f3119c2d64e7dd4c2c910bd5b5">00016</a> <span class="preprocessor"></span><span class="preprocessor">#define CREATE_IMPL(...) \</span>
<a name="l00017"></a>00017 <span class="preprocessor"> static struct iface_impl iface_impl = INIT_IMPL(__VA_ARGS__)</span>
<a name="l00018"></a>00018 <span class="preprocessor"></span>
<a name="l00019"></a><a class="code" href="interface_8h.html#a12243bdd01e5366fecc15f395f09221a">00019</a> <span class="preprocessor">#define METHOD_GET(iface,method) (iface->method)</span>
<a name="l00020"></a>00020 <span class="preprocessor"></span>
<a name="l00021"></a>00021
<a name="l00022"></a><a class="code" href="structinterface.html">00022</a> <span class="keyword">struct </span><a class="code" href="structinterface.html">interface</a> {
<a name="l00023"></a><a class="code" href="structinterface.html#aee0f8e8ed8b404d358a6da91196da0d9">00023</a> <span class="keyword">const</span> <span class="keywordtype">char</span> * <a class="code" href="structinterface.html#aee0f8e8ed8b404d358a6da91196da0d9">name</a>;
<a name="l00024"></a><a class="code" href="structinterface.html#a7efc08a40bdff0c29b10594c7148168f">00024</a> <span class="keyword">const</span> <span class="keywordtype">size_t</span> <a class="code" href="structinterface.html#a7efc08a40bdff0c29b10594c7148168f">nmethods</a>;
<a name="l00025"></a>00025 };
<a name="l00026"></a><a class="code" href="interface_8h.html#afaa63cd951f41a496111e88acf36dc40">00026</a> <span class="keyword">typedef</span> <span class="keyword">const</span> <span class="keyword">struct </span><a class="code" href="structinterface.html">interface</a> * <a class="code" href="interface_8h.html#afaa63cd951f41a496111e88acf36dc40">iface_ptr</a>;
<a name="l00027"></a>00027
<a name="l00028"></a><a class="code" href="structiface__impl.html">00028</a> <span class="keyword">struct </span><a class="code" href="structiface__impl.html">iface_impl</a> {
<a name="l00029"></a><a class="code" href="structiface__impl.html#af2eaa008e863bdef373ed0c6fa26722b">00029</a> <span class="keyword">const</span> <span class="keywordtype">size_t</span> <a class="code" href="structiface__impl.html#af2eaa008e863bdef373ed0c6fa26722b">nimpl</a>; <span class="comment">// number of interface implementations</span>
<a name="l00030"></a><a class="code" href="structiface__impl.html#a9ee4589aed892fb213117b692e63e302">00030</a> <span class="keywordtype">char</span> <a class="code" href="structiface__impl.html#a9ee4589aed892fb213117b692e63e302">simpl</a>; <span class="comment">// implementations sorted??</span>
<a name="l00031"></a><a class="code" href="structiface__impl.html#a4f3e0d7f7bbd7e3f98472a140c37c1ea">00031</a> <span class="keyword">const</span> <span class="keywordtype">void</span> * <a class="code" href="structiface__impl.html#a4f3e0d7f7bbd7e3f98472a140c37c1ea">impl</a>[<a class="code" href="interface_8h.html#ad620a89e939b586d6a025cf342da8e55">MAX_IFACE</a>]; <span class="comment">// implementations</span>
<a name="l00032"></a>00032 };
<a name="l00033"></a><a class="code" href="interface_8h.html#a998b025a5015049fd824424d6983f2df">00033</a> <span class="keyword">typedef</span> <span class="keyword">struct </span><a class="code" href="structiface__impl.html">iface_impl</a> * <a class="code" href="interface_8h.html#a998b025a5015049fd824424d6983f2df">iface_impl_ptr</a>;
<a name="l00034"></a>00034
<a name="l00035"></a>00035 <span class="keyword">extern</span> <span class="keyword">struct </span><a class="code" href="structinterface.html">interface</a> * <a class="code" href="interface_8h.html#ae4bb16dde691d2513d444ce772f48718">interfaceGet</a>(iface_impl_ptr, <span class="keyword">const</span> iface_ptr);
<a name="l00036"></a>00036
<a name="l00037"></a>00037 <span class="preprocessor">#endif // __INTERFACE_H__</span>
<a name="l00038"></a>00038 <span class="preprocessor"></span>
<a name="l00039"></a>00039 <span class="comment">// vim: set ts=4 sw=4:</span>
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