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The the tool of choice for implementing readers is LEX; contrary to existing reader implementations, with LEX we can define readers in a language independent, reusable industry standard notation.
A C# version of LEX is found in the free product GPLEX. Some first test in DS development environment were successfull.
ANTLR might be an alternative to GPLEX. ANTLR offers both a lexical and syntatical analyzer where GPLEX can only build a lexical analyzer.
TODO
- choose between GPLEX and ANTLR:
ANTLR is a more complex environment. It is able to generate both lexical and syntatical automatons; we only need the lexer. At this early stage gplex seems more lightweight and does not carry in any redundant component, does what we want from it, is fitted into the dev and build environment.
The approach is to start with implementing a full Sobek 2.11 MDB import in a time period of 20 days (40 fpe). After this period the experience will be applied to estimate the remainder of this sub project.
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After discussion with Edward: Initially
- Tabulated/WH
- YZ
friction
Friction data is contained in the file friction.dat
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