Cannot build WASM core about swiftlatex HOT 13 CLOSED

@LubosD Hi, I refactored the repo. Now, you can find all the compilable components like pdftex, xetex, and dvipdfm over there. :D

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I also ran into this, appears to be fixable with adding a line to a nested Makefile

diff --git a/webassembly/xpdf/Makefile b/webassembly/xpdf/Makefile
index 904d9f1..ff331c8 100755
--- a/webassembly/xpdf/Makefile
+++ b/webassembly/xpdf/Makefile
@@ -11,6 +11,7 @@ xpdf/Lexer.cc  \
 xpdf/Catalog.cc                  \
 xpdf/Stream.cc \
 xpdf/Object.cc  \
+xpdf/PDFDocEncoding.cc \
 xpdf/TextString.cc \
 xpdf/Dict.cc                           \
 xpdf/Error.cc               xpdf/Page.cc               \
diff --git a/webassembly/xpdf/xpdf.a b/webassembly/xpdf/xpdf.a
index f3e9dd9..761bc27 100644

I'm still having trouble running it though, because even the local version reaches out the currently offline hosted version to download a binary file called swiftlatex22p.fmt that I am having trouble finding anywhere.

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I have the exact same issue:

0: SwiftLaTeX-(1:0) Unexpected error happened, please check the detailed log. Status 3, Engine: XeLaTeX


I can't find the format file `swiftlatex22p.fmt'!

Could you find a fix by now?

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Here: https://drive.google.com/file/d/1VYOktAnug02dpF_xnb1ewWhaYCyNjwbs/view?usp=sharing

But I already managed to forget how I generated it last year. I think I copied it from xetex? I wish the author was more communicative.

BTW: there are even no sources published for swiftlatex_export.wasm, which is dvipdfmx.

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Hi, all. Sorry for the late response.

I am really struggling with making a life recently. Life is hard :(

@LubosD There's a complete XeTeX engine source code under the webassembly directory.

Also inside the pre.js file, there is a compileLaTeXFormatRoutine, which can generate the format.

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@elliott-wen Thanks a lot for your answer. But how does swiftlatex_export.wasm get built?

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@elliott-wen Well, I know about that, it builds swiftlatex.wasm, which can also produce DVI files.

But then there's DvipdfmxEngine, which uses swiftlatex_export.wasm. This WASM file exports functions like _compilePDF, but this is nowhere to be found in the Git repo. I think you must have forgotten to share the sources of that.

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oh, i see. I guess you misunderstood... the engine is actually modified to generate html/svg directly. https://github.com/SwiftLaTeX/SwiftLaTeX/blob/master/webassembly/xetexdir/XeTeXHTML.cpp :D

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oh, i see. I guess you misunderstood... the engine is actually modified to generate html/svg directly. https://github.com/SwiftLaTeX/SwiftLaTeX/blob/master/webassembly/xetexdir/XeTeXHTML.cpp :D

I'm well aware, but it apparently has support for generating PDFs as well, which is the primary reason why I took interest in it :-) And also why I push for open sourcing the dvipdfmx webassembly port.

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That's really my fault... I was getting a bit rusty

export_engine.zip

BTW This is the server script we use to host the latex files [](url
texlive.zip
)

Do you want to be the maintainer of this repo? I could grant the admin access to you? @LubosD

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@elliott-wen I'm not sure I'd have time to be a true maintainer :-) Especially because I'm more interested in client-side PDF generation (from .tex files) than the interactive online editing functionality.

But at least I could import the sources you posted into Git, produce Docker images (incl. Dockerfiles) so that people can get things running easily on their end etc. etc.

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Thanks so much for your help.

I was thinking about the future of this repo.
Probably instead of providing a full-brown Overleaf-like editor, we can just provide a library or tool that generates PDFs from tex files.

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