HARDWARE ACCELERATED VALIDATING PARSER
First Claim
1. A validation parser for a tokenized text document in a computer language supporting platform independence and interoperability, comprising:
- a first memory element adapted to receive data from both a data dictionary and a state table in accordance with a token;
a first combiner adapted to merge said data from said state table and said data dictionary to form a transition control word;
a second combiner adapted to merge part of said transition control word with another token to retrieve further data from said state table; and
a logic element adapted to form a tree structured data object corresponding to said tokenized text document under control of part of said transition control word.
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Abstract
A hardware accelerated validation parser is provided to remove a large portion if not all of the processing and overhead burden of validation parsing from a host processor by parallel access to both a state table and a data dictionary based on a token and merging and selective redirection of the respective outputs thereof; a portion of a transition control word (TCW) formed by the merged data being used to advance through the state table and a portion of the TCW being used to control formation of a tree structured data object (TSDO) corresponding to a text document in a language such as XML™ which supports interoperability and platform independence. A stack is provided to accommodate nesting of elements and aggregate elements. The formation of the TSDO can be and preferably is performed asynchronously and autonomously in parallel with the validation parsing.
191 Citations
19 Claims
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1. A validation parser for a tokenized text document in a computer language supporting platform independence and interoperability, comprising:
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a first memory element adapted to receive data from both a data dictionary and a state table in accordance with a token;
a first combiner adapted to merge said data from said state table and said data dictionary to form a transition control word;
a second combiner adapted to merge part of said transition control word with another token to retrieve further data from said state table; and
a logic element adapted to form a tree structured data object corresponding to said tokenized text document under control of part of said transition control word. - View Dependent Claims (2, 3, 4, 5, 6, 7)
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8. A computer readable medium upon which is embedded a sequence of programmed instructions which, when executed by a processor, cause the processor to perform steps comprising:
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retrieving data from both a data dictionary and a state table in accordance with a token;
merging said data from said state table and said data dictionary to form a transition control word; and
merging part of said transition control word with another token to retrieve further data from said state table. - View Dependent Claims (9, 10, 11, 12)
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13. A validation parser for a tokenized text document in a computer language supporting platform independence and interoperability, comprising:
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a register adapted to receive data from both a data dictionary and a state table in accordance with a token;
a first adder adapted to merge said data from said state table and said data dictionary to form a transition control word;
a second adder adapted to merge part of said transition control word with another token to retrieve further data from said state table; and
a logic element adapted to form a tree structured data object corresponding to said tokenized text document under control of part of said transition control word. - View Dependent Claims (14, 15, 16, 17, 18, 19)
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Specification