69 lines
1.2 KiB
Go
69 lines
1.2 KiB
Go
// License: GPLv3 Copyright: 2022, Kovid Goyal, <kovid at kovidgoyal.net>
|
|
|
|
package utils
|
|
|
|
import (
|
|
"bufio"
|
|
"fmt"
|
|
"strings"
|
|
"unicode/utf8"
|
|
)
|
|
|
|
var _ = fmt.Print
|
|
|
|
func Capitalize(x string) string {
|
|
if x == "" {
|
|
return x
|
|
}
|
|
s, sz := utf8.DecodeRuneInString(x)
|
|
cr := strings.ToUpper(string(s))
|
|
return cr + x[sz:]
|
|
}
|
|
|
|
type ScanLines struct {
|
|
entries []string
|
|
|
|
scanner *bufio.Scanner
|
|
}
|
|
|
|
func NewScanLines(entries ...string) *ScanLines {
|
|
return &ScanLines{entries: entries}
|
|
}
|
|
|
|
func (self *ScanLines) Scan() bool {
|
|
if self.scanner == nil {
|
|
if len(self.entries) == 0 {
|
|
return false
|
|
}
|
|
self.scanner = bufio.NewScanner(strings.NewReader(self.entries[0]))
|
|
self.entries = self.entries[1:]
|
|
return self.Scan()
|
|
} else {
|
|
if self.scanner.Scan() {
|
|
return true
|
|
}
|
|
self.scanner = nil
|
|
return self.Scan()
|
|
}
|
|
}
|
|
|
|
func (self *ScanLines) Text() string {
|
|
if self.scanner == nil {
|
|
return ""
|
|
}
|
|
return self.scanner.Text()
|
|
}
|
|
|
|
func Splitlines(x string, expected_number_of_lines ...int) (ans []string) {
|
|
if len(expected_number_of_lines) > 0 {
|
|
ans = make([]string, 0, expected_number_of_lines[0])
|
|
} else {
|
|
ans = make([]string, 0, 8)
|
|
}
|
|
scanner := bufio.NewScanner(strings.NewReader(x))
|
|
for scanner.Scan() {
|
|
ans = append(ans, scanner.Text())
|
|
}
|
|
return ans
|
|
}
|