Go Liquid Template Parser

goliquid is a Go implementation of the Shopify Liquid template language, for use in Gojekyll.

Status

• Basics
  • Constants
  • Variables
  • Operators
  • Arrays
  • Whitespace Control
• Tags
  • Comment
  • Control Flow
    • if/else/elsif
    • unless
    • case/when
  • Iteration - [ ] for - [ ] limit, offset, range, reversed - [ ] break, continue - [ ] loop variables - [ ] tablerow - [ ] cycle
  • Raw
  • Variable
    • Assign
    • Capture
• Filters

Install

go get -u github.com/osteele/goliquid

Contribute

Setup

go get golang.org/x/tools/cmd/stringer
go install golang.org/x/tools/cmd/goyacc

Install Ragel. On macOS: brew install ragel.

Workflow

go generate
go test

Test just the scanner:

ragel -Z scanner.rl && go test -run TestExpressionParser

Attribution

Michael Hamrah's Lexing with Ragel and Parsing with Yacc using Go was essential to understanding go yacc.