Data processing: database and file management or data structures – Database design – Data structure types
Reexamination Certificate
1998-02-27
2001-01-30
Breene, John (Department: 2777)
Data processing: database and file management or data structures
Database design
Data structure types
C707S793000, C707S793000, C707S793000
Reexamination Certificate
active
06182093
ABSTRACT:
BACKGROUND OF THE INVENTION
The invention relates to a method for use in a multimedia environment for managing one or more global information entities across a plurality of HTML containers. In the environment of Internet, one of several protocols used for producing documents is the HyperText Markup Language (HTML). An exemplary and lucid introduction to this language is the information called HTMLPRIMER.HTML, pages 1-16, provided by the National Center for Supercomputing Applications, that is emailable under pubs@ncsa.uiuc.edu. Multimedia and other interactive applications may be implemented either through HTML, or through using a VISUAL BASIC script (VBscript) that is located within a so-called container, or through a mixture of the two. Note that each file forms a separate container. In consequence, a particular application may be built up from an appreciable number of HTML documents, one or more thereof containing code expressed in a language such as VBScript or JAVAscript. Now, according to a first policy, a particular variable, function, or procedure may be declared within a single HTML container in a local manner, so that the so-defined item is valid only within the container in question. Such entities may then be accessed exclusively from the Procedure or Function wherein the entity in question has been defined. According to a second policy, such entity may be defined in a global manner, that is valid across various different such containers, but the entity in question can still be accessed exclusively from the container which comprises the declaration of that entity. The latter would often imply a recursive series of calls through a tree structure of several containers. In particular, the so-called zero frame has not yet been documented.
SUMMARY OF THE INVENTION
Now therefore, amongst other things a need has been recognized to be able to manage such global entities across multiple HTML containers without the necessity to always first explicitly return to the container that holds the associated declaratory statement. The latter container could in principle be one of an appreciable number which at any time may be active in an application. In consequence, according to one of its aspects, the invention provides an additional GLOBAL.HTML container for therein executing said managing within a predetermined script language. The one extra container does not overly complicate the structure of the application in question, whilst the uniform jumping to a standard container will be felt by a user as only a small additional burden. Note that this standard container would always be located at a fixed location in memory that is known in advance, and therefore, the accessing thereof can be rendered implicit. Moreover, it will be known automatically that a particular item is an item defined in a global manner.
The invention also relates to a system for implementing the method as recited.
REFERENCES:
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Mastering C++, Vol., 1991, Cay S. Horstmann, An Introduction to C++ and Object-orientated Programming for C and Pascal Programmers: p. 208- p. 226.
Breene John
Channavajjala Srirama
Thorne Gregory L.
U.S. Philips Corporation
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