[NTG-context] Access to Intermediate Document after Pre-processing

Henri Menke henrimenke at gmail.com
Wed Aug 3 16:20:47 CEST 2016


On 08/03/2016 03:25 PM, Malte Stien wrote:
> Hi all,
> 
> I am working with a reasonably complex document structure, where I make heavy use of the following constructs
> 
> \input (to import a number of source files)
> \if and \newif (to switch between different paragraphs depending on some conditions)
> \setvariable and \getvariable (to reuse some text in different places)
> 
> So, does ConTeXt run some sort of pre-processing step that processes all of the above and which results in an intermediate document that is then type-set? And is it possible to only run this pre-processing step and get access to that intermediate document?

This is a TeX thing.  Unfortunately, TeX does not have any introspection into the expansion processor which is why you cannot preprocess your source files as, e.g., with the C preprocessor.  You might be able though to hook into the process_input_buffer callback and craft your preprocessed file by hand.

> 
> I am asking as I have some Ruby scripts that take ConTeXt documents and convert it to another format. However, those scripts do not deal with any of the above and rather than implementing the necessary logic to deal with importing of files, conditions and variables, I thought ConTeXt does that already if only I could get access to the resulting intermediate file.
> 
> Does that makes sense?
> 
> Thank you,
> Malte.

Cheers, Henri

> 
> Malte Stien, PhD | Chief Technology Officer | SmartWard Pty Ltd
> E: malte.stien at smartward.com.au | W: www.smartward.com.au
> P: +61 (0)2 6251 1798 | M: +61 (0)413 928 895
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