94 lines
1.6 KiB
Go
94 lines
1.6 KiB
Go
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// This is all because I don't want to deal with double-escaping regex special
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// characters in sh.
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package main
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import (
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"log"
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"os"
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"path/filepath"
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"regexp"
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)
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func mapSlice[A, B any](f func(A) B, a []A) []B {
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b := make([]B, len(a))
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for i := range b {
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b[i] = f(a[i])
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}
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return b
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}
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type Replacer struct {
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re *regexp.Regexp
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replacement string
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}
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func compile(raw [2]string) Replacer {
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return Replacer{
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re: regexp.MustCompile(raw[0]),
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replacement: raw[1],
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}
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}
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var replacers = mapSlice(compile, [][2]string{
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// Chapter titles
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{`CHAPTER [IVX]+\.` + "\n\n" + `(.*)\.`, `# $1`},
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// Section titles
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{`(?ms)SECTION [IVX]+\.\n\n_([^_]+)\._`, `## $1`},
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// Untitled sections
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{`SECTION [IVX]+\.`, `<h2></h2>`},
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// Em dashes
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{"--", "—"},
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// Left double typographical quote
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{`"(\w|_\w)`, `“$1`},
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// Right double typographical quote
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{`"`, `”`},
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// Footnote superscripts
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{`\[(\d+)\]`, `[^$1]`},
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// Left single typographical quote
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{`([^\pL])'(\pL|_)`, `$1‘$2`},
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{`(?m)^'`, `‘`},
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// Right single typographical quote
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{`'`, `’`},
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// Block quotes
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{`(?m)^ +(\S)`, `> $1`},
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})
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func run() error {
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paths, err := filepath.Glob("chapters/*.markdown")
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if err != nil {
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return err
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}
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for _, path := range paths {
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b, err := os.ReadFile(path)
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if err != nil {
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return err
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}
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var edited = b
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for _, r := range replacers {
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edited = r.re.ReplaceAll(edited, []byte(r.replacement))
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}
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outpath := filepath.Join("edited", filepath.Base(path))
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err = os.WriteFile(outpath, edited, 0666)
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if err != nil {
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return err
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}
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}
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return nil
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}
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func main() {
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err := run()
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if err != nil {
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log.Fatal(err)
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}
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}
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