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37 lines
783 B
Go
37 lines
783 B
Go
package hyphae
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import (
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"errors"
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"os"
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)
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// FetchMycomarkupFile tries to read text file of the given hypha. If there is no file, empty string is returned.
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//
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// TODO: Get rid of this function.
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func FetchMycomarkupFile(h Hypha) (string, error) {
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switch h := h.(type) {
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case *EmptyHypha:
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return "", errors.New("empty hyphae have no text")
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case *MediaHypha:
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if !h.HasTextFile() {
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return "", nil
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}
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text, err := os.ReadFile(h.TextFilePath())
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if os.IsNotExist(err) {
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return "", nil
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} else if err != nil {
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return "", err
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}
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return string(text), nil
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case *TextualHypha:
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text, err := os.ReadFile(h.TextFilePath())
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if os.IsNotExist(err) {
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return "", nil
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} else if err != nil {
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return "", err
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}
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return string(text), nil
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}
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panic("unreachable")
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}
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