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package lib
import (
"bytes"
"fmt"
"strings"
)
// For online help contexts like printing all the built-in DSL functions, or
// the list of all verbs.
func PrintWordsAsParagraph(words []string) {
separator := " "
maxlen := 80
separatorlen := len(separator)
linelen := 0
j := 0
for _, word := range words {
wordlen := len(word)
linelen += separatorlen + wordlen
if linelen >= maxlen {
fmt.Printf("\n")
linelen = separatorlen + wordlen
j = 0
}
if j > 0 {
fmt.Print(separator)
}
fmt.Print(word)
j++
}
fmt.Printf("\n")
}
// For online help contexts like printing all the built-in DSL functions, or
// the list of all verbs. Max width is nominally 80.
func FormatAsParagraph(text string, maxWidth int) []string {
lines := make([]string, 0)
words := strings.Fields(text)
separator := " "
separatorlen := len(separator)
linelen := 0
j := 0
var buffer bytes.Buffer
for _, word := range words {
wordlen := len(word)
linelen += separatorlen + wordlen
if linelen >= maxWidth {
line := buffer.String()
lines = append(lines, line)
buffer.Reset()
linelen = separatorlen + wordlen
j = 0
}
if j > 0 {
buffer.WriteString(separator)
}
buffer.WriteString(word)
j++
}
line := buffer.String()
if line != "" {
lines = append(lines, line)
}
return lines
}
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