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Use multi reader instead to concat strings (#22099)
extract from #20326
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parent
352a50d65f
commit
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@ -305,18 +305,15 @@ func postProcess(ctx *RenderContext, procs []processor, input io.Reader, output
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return err
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return err
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}
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}
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res := bytes.NewBuffer(make([]byte, 0, len(rawHTML)+50))
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// prepend "<html><body>"
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_, _ = res.WriteString("<html><body>")
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// Strip out nuls - they're always invalid
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_, _ = res.Write(tagCleaner.ReplaceAll([]byte(nulCleaner.Replace(string(rawHTML))), []byte("<$1")))
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// close the tags
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_, _ = res.WriteString("</body></html>")
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// parse the HTML
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// parse the HTML
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node, err := html.Parse(res)
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node, err := html.Parse(io.MultiReader(
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// prepend "<html><body>"
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strings.NewReader("<html><body>"),
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// Strip out nuls - they're always invalid
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bytes.NewReader(tagCleaner.ReplaceAll([]byte(nulCleaner.Replace(string(rawHTML))), []byte("<$1"))),
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// close the tags
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strings.NewReader("</body></html>"),
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))
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if err != nil {
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if err != nil {
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return &postProcessError{"invalid HTML", err}
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return &postProcessError{"invalid HTML", err}
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}
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}
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