/usr/include/ossim/base/ossimPreferences.h is in libossim-dev 1.7.21-4.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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//
// License: See top level LICENSE.txt file.
//
// DESCRIPTION:
// Contains declaration of class ossimPreferences. This class provides
// a static keywordlist for global preferences. Objects needing access to
// application-wide global parameters shall do so through this class.
//
// SOFTWARE HISTORY:
//>
// 23Apr2001 Oscar Kramer
// Initial coding.
//<
//*****************************************************************************
#ifndef ossimPreferences_HEADER
#define ossimPreferences_HEADER
#include <ossim/base/ossimFilename.h>
#include <ossim/base/ossimKeywordlist.h>
/*!****************************************************************************
*
* CLASS: ossimPreferences
*
*****************************************************************************/
class OSSIMDLLEXPORT ossimPreferences
{
public:
/*!
* METHOD: instance()
* The static singleton instance of this object is accessed via this method:
*/
static ossimPreferences* instance();
/*!
* METHOD: loadPreferences()
* These methods clear the current preferences and load either the default
* preferences file or the specified file. Returns TRUE if loaded properly:
*/
bool loadPreferences();
bool loadPreferences(const ossimFilename& pathname);
/*!
* METHOD: savePrefences()
* This method permits saving the preferences file to the default location
* or to a specified location:
*/
bool savePreferences() const;
bool savePreferences(const ossimFilename& pathname);
/*!
* METHOD: findPreference()
* Performs a lookup for the specified keyword in the preferences KWL:
*/
const char* findPreference(const char* key) const {return theKWL.find(key);}
/*!
* METHOD: addPreference()
* Inserts keyword/value pair into the in-memory preferences KWL. It does
* save to disk. App must do a savePreferences() for changes to be saved.
*/
void addPreference(const char* key,
const char* value);
/*!
* METHOD: preferencesKWL()
* An alternative to utilizing findPreference(), for objects derived from
* ossimObject, is to access the preferences KWL with this method
* (typically during construction) and provide it to the object's
* loadState() method.
*/
const ossimKeywordlist& preferencesKWL() const { return theKWL; }
void addPreferences(const ossimKeywordlist& kwl,
const char* prefix=0,
bool stripPrefix=true);
/** @return The preference filename. */
ossimFilename getPreferencesFilename() const;
protected:
/*!
* Override the compiler default constructors:
*/
ossimPreferences();
ossimPreferences(const ossimPreferences&) {}
~ossimPreferences();
void operator = (const ossimPreferences&) const {}
static ossimPreferences* theInstance;
ossimKeywordlist theKWL;
ossimFilename thePrefFilename;
mutable bool theInstanceIsModified;
};
#endif
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