Ceylon Markdown

[Rohit Mohan]

Hi,

I will be working on a Markdown processor in Ceylon this summer for my GSoC 2016 project.

I was just wondering if I can use the name ceylon.markdown for my module.

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Rohit Mohan

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[Lucas Werkmeister]

I guess I need to ask the same question for my project, the Ceylon to Typescript model converter.

Perhaps something in the ceylon.tool “namespace”? ceylon.tool.loader.typescript, ceylon.tool.processor.markdown, something like that?

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[Tom Bentley]

Personally I'd be quite happy to see ceylon.markdown. I think that's better than ceylon.tool.processor.markdown or similar because I expect this module to provide an API people can use to integrate markdown processing into their own modules.

For the typescript model loader, ceylon.tool.loader.typescript sounds OK to me. FTR the JVM compiler's model loader is in com.redhat.ceylon.compiler.java.loader.

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[Bastien Jansen]

I think the markdown processor belongs to the SDK, and should be named ceylon.markdown

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[Rohit Mohan]

The Markdown processor will mostly be split into multiple modules. 

Namely, 

• One module for the AST classes and to convert the input to AST
• One module for AST to HTML
• One module for AST to plain text
• One for the command line tool

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So, I guess the modules would be named ceylon.markdown.something then?

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 t​

[Rohit Mohan]

So I’ve got the project on https://github.com/rohitmohan96/ceylon.markdown

I have named the module for the AST classes and parser as ceylon.markdown.core.

[Rohit Mohan]

I've been working on the first phase of the parser for some time now and have been wondering on how to write tests for it.

[Gavin King]

Well, you need some way to compare input with output. Input is a
String (markdown text) but what is the output? A stream of tokens? AST
nodes?

> https://groups.google.com/d/msgid/ceylon-dev/137c90fd-bec6-4e07-9665-150c7bfec850%40googlegroups.com.

>
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[Rohit Mohan]

The output is an AST.

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Rohit Mohan

[Gavin King]

Well, perhaps you could implement a toString() method that produces
something json-like, and compare the json with what you expect.

> https://groups.google.com/d/msgid/ceylon-dev/CAF7ZTxK5BH3L0yMDugGyhL7AdYnG184OCfastaNE2nt5NN71Wg%40mail.gmail.com.

[Lucas Werkmeister]

The CommonMark implementation seems to include an option to emit the AST
as XML: http://spec.commonmark.org/dingus/

The examples in the specification also double as test cases, so once you
emit HTML, you can check that your module emits the same HTML code for
those examples as in the specification. The format seems to be: a code
block starting with loads of backticks and the tag “example”, then the
Markdown code, then a line with a single period in it, then the HTML
code for that Markdown code, and then the end of the code block (more
backticks). This seems to be their code to parse that:
https://github.com/jgm/CommonMark/blob/master/test/spec_tests.py#L91-L111

[Rohit Mohan]

OK thanks.

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Rohit Mohan