60 lines
1.3 KiB
Go
60 lines
1.3 KiB
Go
// Generate HTTML document form a Go source file.
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package main
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import (
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"os"
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"os/exec"
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"io/ioutil"
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"fmt"
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)
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// Just be sure to blow up on non-nil errors.
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func check(err error) {
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if err != nil {
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panic(err)
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}
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}
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func pipedCmd(path string, argv []string, source string) string {
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cmd := exec.Command(path, argv...)
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in, err := cmd.StdinPipe()
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check(err)
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out, err := cmd.StdoutPipe()
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check(err)
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err = cmd.Start()
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check(err)
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in.Write([]byte(source))
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check(err)
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err = in.Close()
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check(err)
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bytes, err := ioutil.ReadAll(out)
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check(err)
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err = cmd.Wait()
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check(err)
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return string(bytes)
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}
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func main() {
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// Accept exactly 1 argument - the input filename.
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if len(os.Args) != 2 {
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fmt.Fprintln(os.Stderr, "Usage: tool/generate input.go > output.html")
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os.Exit(1)
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}
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// Ensure that we have `markdown` and `pygmentize`,
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// binaries, remember their paths.
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// markdownPath, err := exec.LookPath("markdown");
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// check(err)
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// pygmentizePath, err := exec.LookPath("pygmentize")
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// check(err)
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// Read the source file in.
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sourceBytes, err := ioutil.ReadFile(os.Args[1])
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check(err)
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source := string(sourceBytes)
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fmt.Print(source)
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// ...
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}
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