61 lines
1.4 KiB
Go
61 lines
1.4 KiB
Go
package ace
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import (
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"bytes"
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"fmt"
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"io"
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)
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// helperMethodYield represents a helper method yield.
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type helperMethodYield struct {
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elementBase
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templateName string
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}
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// WriteTo writes data to w.
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func (e *helperMethodYield) WriteTo(w io.Writer) (int64, error) {
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var bf bytes.Buffer
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inner := e.src.inner
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if inner == nil {
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return 0, fmt.Errorf("inner is not specified [file: %s][line: %d]", e.ln.fileName(), e.ln.no)
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}
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var templateExists bool
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for _, innerE := range e.rslt.inner {
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ln := innerE.Base().ln
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if ln.isHelperMethodOf(helperMethodNameContent) && len(ln.tokens) > 2 && ln.tokens[2] == e.templateName {
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templateExists = true
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break
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}
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}
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if templateExists {
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bf.WriteString(fmt.Sprintf(actionTemplateWithPipeline, e.opts.DelimLeft, inner.path+doubleColon+e.templateName, dot, e.opts.DelimRight))
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} else {
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// Write the children's HTML.
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if i, err := e.writeChildren(&bf); err != nil {
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return i, err
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}
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}
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i, err := w.Write(bf.Bytes())
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return int64(i), err
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}
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// newHelperMethodYield creates and returns a helper method yield.
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func newHelperMethodYield(ln *line, rslt *result, src *source, parent element, opts *Options) (*helperMethodYield, error) {
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if len(ln.tokens) < 3 {
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return nil, fmt.Errorf("no template name is specified [file: %s][line: %d]", ln.fileName(), ln.no)
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}
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e := &helperMethodYield{
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elementBase: newElementBase(ln, rslt, src, parent, opts),
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templateName: ln.tokens[2],
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}
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return e, nil
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}
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