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CICA 1993 April
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CICA MS Windows - April 1993.iso
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misc
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iv26_w30
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intervie
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propshee.h
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C/C++ Source or Header
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1980-01-03
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119 lines
/*
* Copyright (c) 1987, 1988, 1989 Stanford University
*
* Permission to use, copy, modify, distribute, and sell this software and its
* documentation for any purpose is hereby granted without fee, provided
* that the above copyright notice appear in all copies and that both that
* copyright notice and this permission notice appear in supporting
* documentation, and that the name of Stanford not be used in advertising or
* publicity pertaining to distribution of the software without specific,
* written prior permission. Stanford makes no representations about
* the suitability of this software for any purpose. It is provided "as is"
* without express or implied warranty.
*
* STANFORD DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
* INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS.
* IN NO EVENT SHALL STANFORD BE LIABLE FOR ANY SPECIAL, INDIRECT OR
* CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
* DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR
* OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION
* WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
/*
* Property sheet of user-customizable variables.
*/
#ifndef propsheet_h
#define propsheet_h
#include <InterViews/defs.h>
typedef class StringId* PropertyName;
typedef const char* PropertyType;
typedef const char* PropertyValue;
class PropDir;
class PropPath;
/*
* A property is defined by a name, optional type, and value.
*/
class PropertyDef {
public:
PropertyName name;
PropertyType type;
PropertyValue value;
PropertyDef () {}
PropertyDef (PropertyName n) { name = n; value = nil; }
};
class PropertySheet {
public:
PropertySheet();
~PropertySheet();
/* individual property operations */
boolean Get(PropertyDef&);
boolean GetLocal(PropDir*, PropertyDef&);
PropDir* MakeDir(const char* path);
void Put(const char* path, const char* value, const char* type = nil);
void PutLower(const char* path, const char* value, const char* type = nil);
void PutLocal(
PropDir*, const char* path, const char* value, const char* type = nil
);
void PutLocalLower(
PropDir*, const char* path, const char* value, const char* type = nil
);
/* property tree navigation */
PropDir* Find(PropertyName name);
void Pop();
void Push(PropDir*, boolean sibling);
PropDir* Root();
/* external interface */
void LoadProperty(const char*);
void LoadList(const char*);
boolean LoadFile(const char* filename);
private:
PropDir* cur;
PropPath* head;
PropPath* tail;
void DoPut(
PropDir* dir, const char* path, const char* value, const char* type,
boolean override
);
};
extern PropertySheet* properties;
inline void PropertySheet::Put (
const char* path, const char* value, const char* type
) {
DoPut(cur, path, value, type, true);
}
inline void PropertySheet::PutLower (
const char* path, const char* value, const char* type
) {
DoPut(cur, path, value, type, false);
}
inline void PropertySheet::PutLocal (
PropDir* dir, const char* path, const char* value, const char* type
) {
DoPut(dir, path, value, type, true);
}
inline void PropertySheet::PutLocalLower (
PropDir* dir, const char* path, const char* value, const char* type
) {
DoPut(dir, path, value, type, false);
}
#endif