Method and system to handle state variables in a document proces

Details Method and system to handle state variables in a document proces Method and system to handle state variables in a document proces

1993-11-02

1995-06-06

Herndon, Heather R.

395145, G06F 1722

Patent

active

054229928

ABSTRACT:
A method and apparatus for processing state variables in a hierarchically structured page description language such as SPDL. Each structure level of a document causes the creation of a prologue data structure which is used to keep track of system parameters. As content portions (tokensequence elements) of the document are being processed, a current context of interpretation (CCI) data structure is created which is also used to store parameters of the system. When only a portion of a document is processed for printing or other presentation, it is not necessary to process the entire document which is before the desired portion. Both the prologue data structure and the CCI contain pointers which point to data structures such as a state variable table which contains the values of the state variables.

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ISO/IEC DIS 10180, Information Processing-Text Communication-Standard Page Description Language; Draft International Standard 1991-03, 1991.

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