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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/REC-html40/Transitional.dtd">
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<title>[ctx.h] Program Context</title>
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<h1><font color="#008B8B">[ctx.h] Program Context</font></h1>
<h2><font color="#008B8B"><a href="styx.html">contents</a></font></h2><br>
<br><a href="ctx_app.htm">#include "ctx_app.h"</a>
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<p>This module [ctx] provides functions for the definition of a program context and
the verification of the current commandline against the current program context.
<p>The definition interface will be used by the <a href="cmdlib.htm">CMD Compiler</a>
which parses and evaluates a command decription file [.cmd], constructs a program context
out of it and finally makes it persistent.
<p>The application interface will be used by the applications and the generated
program specific context modules.
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<br><hr width="100%" size=2><h2><b> Definition interface </b></h2>
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<td bgcolor="#FFF8DC" align=left><pre>CTX_T <b>CTX_new</b>(short cnt, c_string name)</pre>
<td bgcolor="#FFF0F5" align=left> make new context for program 'name' and 'cnt' arguments <br>
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<td bgcolor="#FFF8DC" align=left><pre>void <b>CTX_free</b>(CTX_T ctx)</pre>
<td bgcolor="#FFF0F5" align=left>drop context 'ctx'
<tr valign=top>
<td bgcolor="#FFF8DC" align=left><pre>void <b>CTX_set</b>
(
CTX_T ctx, short idx, c_string ide,
c_byte cat, c_byte typ, c_string dft
)</pre>
<td bgcolor="#FFF0F5" align=left> assign argument 'ide' of category 'cat', with type 'typ' and<br>
default value 'dft' to context entry ctx[idx]<br>
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<td bgcolor="#FFF8DC" align=left><pre>void <b>CTX_put</b>(c_string env, CTX_T ctx)</pre>
<td bgcolor="#FFF0F5" align=left> put binary image of context 'ctx' <br>
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<td bgcolor="#FFF8DC" align=left><pre>CTX_T <b>CTX_get</b>(c_string env, c_string name)</pre>
<td bgcolor="#FFF0F5" align=left> get context from binary image [$'env'/'name'.cim] <br>
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<td bgcolor="#FFF8DC" align=left><pre>void <b>CTX_usage</b>(CTX_T ctx)</pre>
<td bgcolor="#FFF0F5" align=left>print usage for context 'ctx'
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<td bgcolor="#FFF8DC" align=left><pre>void <b>CTX_C_Modul</b>(c_string Environ, CTX_T Ctx, c_bool shortform)</pre>
<td bgcolor="#FFF0F5" align=left> compiles context 'ctx' to [$'Environ'/'Name'_cim.c] <br>
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<td bgcolor="#FFF8DC" align=left><pre>void <b>CTX_sh_list</b>(void)</pre>
<td bgcolor="#FFF0F5" align=left>print shell context
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<td bgcolor="#FFF8DC" align=left><pre>void <b>CTX_list</b>(CTX_T ctx)</pre>
<td bgcolor="#FFF0F5" align=left>DEBUG; print context 'ctx'
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<td bgcolor="#FFF8DC" align=left><pre>c_string <b>CTX_dirname</b>(void)</pre>
<td bgcolor="#FFF0F5" align=left>path of the current program
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<td bgcolor="#FFF8DC" align=left><pre>void <b>CTX_interprete</b>(int argc, c_string argv[])</pre>
<td bgcolor="#FFF0F5" align=left> process current program context <br>
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<br><hr width="100%" size=2><h2><b> Application interface </b></h2>
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<td bgcolor="#FFF8DC" align=left><pre>void <b>CTX_init</b>(int argc, c_string argv[])</pre>
<td bgcolor="#FFF0F5" align=left> initialize and process current program context <br>
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<td bgcolor="#FFF8DC" align=left><pre>void <b>CTX_quit</b>(void)</pre>
<td bgcolor="#FFF0F5" align=left>drop current program context
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