Management of system environment variables An environment variable is composed of a variable name and its value. More...
#include <OSD_Environment.hxx>
Public Member Functions | |
| OSD_Environment () | |
| Creates the object Environment. | |
| OSD_Environment (const TCollection_AsciiString &Name) | |
| Creates an Environment variable initialized with value set to an empty AsciiString. | |
| OSD_Environment (const TCollection_AsciiString &Name, const TCollection_AsciiString &Value) | |
| Creates an Environment variable initialized with Value. | |
| void | SetValue (const TCollection_AsciiString &Value) |
| Changes environment variable value. Raises ConstructionError either if the string contains characters not in range of ' '...'~' or if the string contains the character '$' which is forbidden. | |
| TCollection_AsciiString | Value () |
| Gets the value of an environment variable. | |
| void | SetName (const TCollection_AsciiString &name) |
| Changes environment variable name. Raises ConstructionError either if the string contains characters not in range of ' '...'~' or if the string contains the character '$' which is forbidden. | |
| TCollection_AsciiString | Name () const |
| Gets the name of <me>. | |
| void | Build () |
| Sets the value of an environment variable into system (physically). | |
| void | Remove () |
| Removes (physically) an environment variable. | |
| Standard_Boolean | Failed () const |
| Returns TRUE if an error occurs. | |
| void | Reset () |
| Resets error counter to zero. | |
| void | Perror () |
| Raises OSD_Error. | |
| Standard_Integer | Error () const |
| Returns error number if 'Failed' is TRUE. | |
Management of system environment variables An environment variable is composed of a variable name and its value.
To be portable among various systems, environment variables are local to a process.
| OSD_Environment::OSD_Environment | ( | ) |
Creates the object Environment.
| OSD_Environment::OSD_Environment | ( | const TCollection_AsciiString & | Name | ) |
Creates an Environment variable initialized with value set to an empty AsciiString.
| OSD_Environment::OSD_Environment | ( | const TCollection_AsciiString & | Name, |
| const TCollection_AsciiString & | Value ) |
Creates an Environment variable initialized with Value.
| void OSD_Environment::Build | ( | ) |
Sets the value of an environment variable into system (physically).
| Standard_Integer OSD_Environment::Error | ( | ) | const |
Returns error number if 'Failed' is TRUE.
| Standard_Boolean OSD_Environment::Failed | ( | ) | const |
Returns TRUE if an error occurs.
| TCollection_AsciiString OSD_Environment::Name | ( | ) | const |
Gets the name of <me>.
| void OSD_Environment::Perror | ( | ) |
Raises OSD_Error.
| void OSD_Environment::Remove | ( | ) |
Removes (physically) an environment variable.
| void OSD_Environment::Reset | ( | ) |
Resets error counter to zero.
| void OSD_Environment::SetName | ( | const TCollection_AsciiString & | name | ) |
Changes environment variable name. Raises ConstructionError either if the string contains characters not in range of ' '...'~' or if the string contains the character '$' which is forbidden.
| void OSD_Environment::SetValue | ( | const TCollection_AsciiString & | Value | ) |
Changes environment variable value. Raises ConstructionError either if the string contains characters not in range of ' '...'~' or if the string contains the character '$' which is forbidden.
| TCollection_AsciiString OSD_Environment::Value | ( | ) |
Gets the value of an environment variable.