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29 lines
850 B
Go
29 lines
850 B
Go
package chunks
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import (
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"io"
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)
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// TagDefinition is a function that parses the tag arguments, and returns a renderer.
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// TODO instead of using the bare function definition, use a structure that defines how to parse
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type TagDefinition func(expr string) (func(io.Writer, RenderContext) error, error)
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// TODO parse during definition stage, not rendering stage
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func assignTagDef(source string) (func(io.Writer, RenderContext) error, error) {
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return func(w io.Writer, ctx RenderContext) error {
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_, err := ctx.EvaluateStatement("assign", source)
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return err
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}, nil
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}
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// AddTag creates a tag definition.
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func (s *Settings) AddTag(name string, td TagDefinition) {
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s.tags[name] = td
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}
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// FindTagDefinition looks up a tag definition.
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func (s *Settings) FindTagDefinition(name string) (TagDefinition, bool) {
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td, ok := s.tags[name]
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return td, ok
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}
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