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executionEnvironment.I
00001 // Filename: executionEnvironment.I
00002 // Created by:  drose (15May00)
00003 //
00004 ////////////////////////////////////////////////////////////////////
00005 //
00006 // PANDA 3D SOFTWARE
00007 // Copyright (c) Carnegie Mellon University.  All rights reserved.
00008 //
00009 // All use of this software is subject to the terms of the revised BSD
00010 // license.  You should have received a copy of this license along
00011 // with this source code in a file named "LICENSE."
00012 //
00013 ////////////////////////////////////////////////////////////////////
00014 
00015 
00016 ////////////////////////////////////////////////////////////////////
00017 //     Function: ExecutionEnvironment::has_environment_variable
00018 //       Access: Public, Static
00019 //  Description: Returns true if the indicated environment variable
00020 //               is defined.
00021 ////////////////////////////////////////////////////////////////////
00022 INLINE bool ExecutionEnvironment::
00023 has_environment_variable(const string &var) {
00024   return get_ptr()->ns_has_environment_variable(var);
00025 }
00026 
00027 ////////////////////////////////////////////////////////////////////
00028 //     Function: ExecutionEnvironment::get_environment_variable
00029 //       Access: Public, Static
00030 //  Description: Returns the definition of the indicated environment
00031 //               variable, or the empty string if the variable is
00032 //               undefined.
00033 ////////////////////////////////////////////////////////////////////
00034 INLINE string ExecutionEnvironment::
00035 get_environment_variable(const string &var) {
00036   return get_ptr()->ns_get_environment_variable(var);
00037 }
00038 
00039 ////////////////////////////////////////////////////////////////////
00040 //     Function: ExecutionEnvironment::set_environment_variable
00041 //       Access: Public, Static
00042 //  Description: Changes the definition of the indicated environment
00043 //               variable.
00044 ////////////////////////////////////////////////////////////////////
00045 INLINE void ExecutionEnvironment::
00046 set_environment_variable(const string &var, const string &value) {
00047   get_ptr()->ns_set_environment_variable(var, value);
00048 }
00049 
00050 ////////////////////////////////////////////////////////////////////
00051 //     Function: ExecutionEnvironment::shadow_environment_variable
00052 //       Access: Public, Static
00053 //  Description: Changes the apparent definition of the indicated
00054 //               environment variable by masking it within this class
00055 //               with a new value.  This does not change the actual
00056 //               environment variable, but future calls to
00057 //               get_environment_variable() will return this new
00058 //               value.
00059 ////////////////////////////////////////////////////////////////////
00060 INLINE void ExecutionEnvironment::
00061 shadow_environment_variable(const string &var, const string &value) {
00062   get_ptr()->ns_shadow_environment_variable(var, value);
00063 }
00064 
00065 ////////////////////////////////////////////////////////////////////
00066 //     Function: ExecutionEnvironment::clear_shadow
00067 //       Access: Public, Static
00068 //  Description: Removes a value set by a previous call to
00069 //               shadow_environment_variable(), and lets the actual
00070 //               value of the variable show again.
00071 ////////////////////////////////////////////////////////////////////
00072 INLINE void ExecutionEnvironment::
00073 clear_shadow(const string &var) {
00074   get_ptr()->ns_clear_shadow(var);
00075 }
00076 
00077 ////////////////////////////////////////////////////////////////////
00078 //     Function: ExecutionEnvironment::get_num_args
00079 //       Access: Public, Static
00080 //  Description: Returns the number of command-line arguments
00081 //               available, not counting arg 0, the binary name.
00082 ////////////////////////////////////////////////////////////////////
00083 INLINE int ExecutionEnvironment::
00084 get_num_args() {
00085   return get_ptr()->ns_get_num_args();
00086 }
00087 
00088 ////////////////////////////////////////////////////////////////////
00089 //     Function: ExecutionEnvironment::get_arg
00090 //       Access: Public, Static
00091 //  Description: Returns the nth command-line argument.  The index n
00092 //               must be in the range [0 .. get_num_args()).  The
00093 //               first parameter, n == 0, is the first actual
00094 //               parameter, not the binary name.
00095 ////////////////////////////////////////////////////////////////////
00096 INLINE string ExecutionEnvironment::
00097 get_arg(int n) {
00098   return get_ptr()->ns_get_arg(n);
00099 }
00100 
00101 ////////////////////////////////////////////////////////////////////
00102 //     Function: ExecutionEnvironment::get_binary_name
00103 //       Access: Public, Static
00104 //  Description: Returns the name of the binary executable that
00105 //               started this program, if it can be determined.
00106 ////////////////////////////////////////////////////////////////////
00107 INLINE string ExecutionEnvironment::
00108 get_binary_name() {
00109   return get_ptr()->ns_get_binary_name();
00110 }
00111 
00112 ////////////////////////////////////////////////////////////////////
00113 //     Function: ExecutionEnvironment::get_dtool_name
00114 //       Access: Public, Static
00115 //  Description: Returns the name of the libdtool DLL that
00116 //               is used in this program, if it can be determined.
00117 ////////////////////////////////////////////////////////////////////
00118 INLINE string ExecutionEnvironment::
00119 get_dtool_name() {
00120   return get_ptr()->ns_get_dtool_name();
00121 }
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