深入理解Hugo: Markdown Parser
 
package main |
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import ( "fmt" "github.com/sunwei/gobyexample/modules/markdown/parser" ) |
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func main() { var r = newReader() d, _ := parser.Parse(r.lines) d.Walk(func(v any, ws parser.WalkState) parser.WalkStatus { b := v.(parser.Block) if ws == parser.WalkIn { fmt.Println("Walk in: ") fmt.Printf("%s\n", b) } else { fmt.Println("Walk out.") } return parser.WalkContinue }) } |
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type line struct { raw string startChar string } |
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func (l *line) Raw() string { return l.raw } |
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func (l *line) StartChar() string { return l.startChar } |
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type reader struct { lines []parser.Line } |
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func newReader() *reader { return &reader{lines: []parser.Line{ &line{raw: "### first blog\n", startChar: "#"}, &line{raw: "Hello Blog\n", startChar: "H"}, }} } |
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Walk result Start from root |
Walk in: &{%!s(parser.BlockState=2) <nil> []} |
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In first child |
Walk in: &{{%!s(parser.BlockState=2) %!s(*parser.heading=&{}) [%!s(*parser.headLine=&{first blog})]} %!s(int=3)} Walk out. |
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In second child |
Walk in: &{%!s(parser.BlockState=2) %!s(*parser.paragraph=&{}) [%!s(*main.line=&{Hello Blog H})]} Walk out. |
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Out root |
Walk out.
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Program exited.
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Next example: Fsm.