38 lines
711 B
Go
38 lines
711 B
Go
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package main
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import (
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"fmt"
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"io/ioutil"
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"os"
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"github.com/gomarkdown/markdown"
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"github.com/gomarkdown/markdown/ast"
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)
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// This prints AST of parsed markdown document.
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// Usage: printast <markdown-file>
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func usageAndExit() {
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fmt.Printf("Usage: printast <markdown-file>\n")
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os.Exit(1)
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}
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func main() {
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nFiles := len(os.Args) - 1
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if nFiles < 1 {
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usageAndExit()
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}
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for i := 0; i < nFiles; i++ {
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fileName := os.Args[i+1]
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d, err := ioutil.ReadFile(fileName)
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if err != nil {
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fmt.Fprintf(os.Stderr, "Couldn't open '%s', error: '%s'\n", fileName, err)
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continue
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}
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doc := markdown.Parse(d, nil)
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fmt.Printf("Ast of file '%s':\n", fileName)
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ast.Print(os.Stdout, doc)
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fmt.Print("\n")
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}
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}
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