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2.0 KiB
2.0 KiB
Go Liquid Template Parser
goliquid is a very early-stage Go implementation of the Shopify Liquid template language, for use in Gojekyll.
Status
- Basics
- Literals
- String Escapes
- Variables
- Operators
- Arrays
- Whitespace Control
- Literals
- Tags
- Comment
- Control Flow
- if/else/elsif
- unless
- case/when
- Iteration - [x] for - [ ] limit - [ ] offset - [ ] range - [x] reversed - [ ] break, continue - [ ] loop variables - [ ] tablerow - [ ] cycle
- Raw
- Variable
- Assign
- Capture
- Filters
- some
- all
Install
go get -u github.com/osteele/goliquid
Contribute
Setup
make setup
Install Ragel. On macOS: brew install ragel.
Workflow
go generate ./...
go test ./...
Test just the scanner:
cd expressions
ragel -Z scanner.rl && go test
References
https://shopify.github.io/liquid
https://help.shopify.com/themes/liquid
https://github.com/Shopify/liquid/wiki/Liquid-for-Designers
Attribution
Kyoung-chan Lee's https://github.com/leekchan/timeutil for formatting dates.
Michael Hamrah's Lexing with Ragel and Parsing with Yacc using Go was essential to understanding go yacc.
The original Liquid engine, of course, for the design and documentation of the Liquid template language.
(That said, this is a clean-room implementation to make sure it just implements the documented design.)
License
MIT License