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package fountain
import (
"github.com/lapingvino/lexington/lex"
"strings"
"bufio"
"io"
)
func Parse(file io.Reader) (out lex.Screenplay) {
var err error
var s string
var toParse []string
f := bufio.NewReader(file)
for err == nil {
s, err = f.ReadString('\n')
toParse = append(toParse, s)
}
for i, row := range toParse {
row = strings.TrimSpace(row)
action := "action"
if row == strings.ToUpper(row) {
action = "allcaps"
}
if row == "" {
action = "empty"
continue
}
if i <= 0 {
continue
}
switch out[i-1].Type {
case "allcaps":
out[i-1].Type = "speaker"
if row[0] == '(' && row[len(row)-1] == ')' {
action = "paren"
} else {
action = "dialog"
}
case "paren", "dialog":
action = "dialog"
}
out = append(out, lex.Line{action, row})
}
return out
}
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