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Oliver Steele 60d2f781e2 Implement {% if %}
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expression_parser_test.go Yacc expression parsing 2017-06-25 16:21:31 -04:00
expression_parser.y Yacc expression parsing 2017-06-25 16:21:31 -04:00
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README.md

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
    • 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.