39 lines
688 B
Go
39 lines
688 B
Go
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package salix
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import (
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"errors"
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"go.elara.ws/salix/internal/ast"
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)
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var (
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ErrIncludeInvalidArgs = errors.New("include expects one string argument")
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ErrNoSuchTemplate = errors.New("no such template")
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)
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// forTag represents an #include tag within a Salix template
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type includeTag struct{}
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func (it includeTag) Run(tc *TagContext, block, args []ast.Node) error {
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if len(args) != 1 {
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return ErrIncludeInvalidArgs
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}
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val, err := tc.GetValue(args[0], nil)
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if err != nil {
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return err
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}
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name, ok := val.(string)
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if !ok {
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return ErrIncludeInvalidArgs
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}
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tmpl, ok := tc.t.ns.GetTemplate(name)
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if !ok {
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return ErrNoSuchTemplate
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}
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return tc.Execute(tmpl.ast, nil)
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}
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