Patent
1993-11-02
1996-01-09
Herndon, Heather R.
G06F 1722
Patent
active
054836298
ABSTRACT:
A method and apparatus for handling various types of dictionaries while processing a document which is written in a hierarchically structured page description language. As each hierarchical level of the document is processed, a data structure is created for keeping track of system parameters, This data structure contains pointers to dictionary link data structures which have pointers to different dictionaries. As the document is being processed, the pointers in the data structure used for keeping track of the system parameters and the pointers to the dictionary link data structures are modified to so that the dictionaries can be accurately searched for the desired key to determine the key's corresponding value.
REFERENCES:
patent: 5165014 (1992-11-01), Vassar
patent: 5247437 (1993-09-01), Vale et al.
patent: 5295236 (1994-03-01), Bjorge et al.
patent: 5333246 (1994-07-01), Nagasaka
patent: 5353388 (1994-10-01), Motoyama
ISO/IEC DIS 10180, Information Processing--Text Communication--Standard Page Description Language; Draft International Standard 1991-03, 1991.
Tennent, Principles of Programming Languages, 1981, pp. 14-21, 64-73, 94-146.
Wirth, Programming in Modula 2, 1983, pp. 64-65.
Chang Yueh-Lin
Motoyama Tetsuro
Fetting Anton W.
Herndon Heather R.
Ricoh & Company, Ltd.
Ricoh Corporation
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