String command parser for message based systems
US6397263B1 · kind B1 · utility
Assignee
Inventors
Key dates
| Filing date | Nov 3, 1993 |
| Grant date | May 28, 2002 |
| Priority date | — |
| Expiry date | Nov 3, 2013 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG05B2219/23275
- WIPO fieldControl
- WIPO sectorInstruments
Abstract
A logical device that is coupled to a computer can be controlled using string commands. The logical device requires flags and a data structure to operate properly. A string command with tokens for operating a specific logical device is provided. A linked list of the tokens is created. A command table for the specified logical device is found. The command table contains possible commands for the logical device, which commands are able to provide the required flags and data structure for the logical device. Each command in the command table contains key words or tokens or multiword tokens. The command table tokens are parsed, one at a time, against the command string tokens. If no match between the command table token and a command string token occurs, then the next command table token is parsed against the command string tokens. If a match between a command table token and a command string token occurs, then the flag that is associated with the command string token is provided and data from either the command string token or the command table token is inserted into the data structure in its proper place.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.