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93 lines
2.8 KiB
C++
93 lines
2.8 KiB
C++
// Filename: executionEnvironment.h
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// Created by: drose (15May00)
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//
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////////////////////////////////////////////////////////////////////
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//
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// PANDA 3D SOFTWARE
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// Copyright (c) 2001 - 2004, Disney Enterprises, Inc. All rights reserved
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//
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// All use of this software is subject to the terms of the Panda 3d
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// Software license. You should have received a copy of this license
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// along with this source code; you will also find a current copy of
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// the license at http://etc.cmu.edu/panda3d/docs/license/ .
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//
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// To contact the maintainers of this program write to
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// panda3d-general@lists.sourceforge.net .
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//
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////////////////////////////////////////////////////////////////////
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#ifndef EXECUTIONENVIRONMENT_H
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#define EXECUTIONENVIRONMENT_H
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#include "dtoolbase.h"
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#include "vector_string.h"
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#include "filename.h"
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#include <map>
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////////////////////////////////////////////////////////////////////
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// Class : ExecutionEnvironment
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// Description : Encapsulates access to the environment variables and
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// command-line arguments at the time of execution.
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// This is encapsulated to support accessing these
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// things during static init time, which seems to be
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// risky at best.
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////////////////////////////////////////////////////////////////////
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class EXPCL_DTOOL ExecutionEnvironment {
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private:
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ExecutionEnvironment();
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public:
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INLINE static bool has_environment_variable(const string &var);
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INLINE static string get_environment_variable(const string &var);
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INLINE static void set_environment_variable(const string &var, const string &value);
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INLINE static void shadow_environment_variable(const string &var, const string &value);
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INLINE static void clear_shadow(const string &var);
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static string expand_string(const string &str);
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INLINE static int get_num_args();
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INLINE static string get_arg(int n);
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INLINE static string get_binary_name();
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INLINE static string get_dtool_name();
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static Filename get_cwd();
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private:
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bool ns_has_environment_variable(const string &var) const;
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string ns_get_environment_variable(const string &var) const;
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void ns_set_environment_variable(const string &var, const string &value);
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void ns_shadow_environment_variable(const string &var, const string &value);
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void ns_clear_shadow(const string &var);
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int ns_get_num_args() const;
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string ns_get_arg(int n) const;
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string ns_get_binary_name() const;
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string ns_get_dtool_name() const;
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static ExecutionEnvironment *get_ptr();
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void read_environment_variables();
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void read_args();
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private:
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typedef map<string, string> EnvironmentVariables;
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EnvironmentVariables _variables;
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typedef vector_string CommandArguments;
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CommandArguments _args;
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string _binary_name;
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string _dtool_name;
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static ExecutionEnvironment *_global_ptr;
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};
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#include "executionEnvironment.I"
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#endif
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