diff options
Diffstat (limited to 'src/pkg/fmt/scan.go')
| -rw-r--r-- | src/pkg/fmt/scan.go | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/src/pkg/fmt/scan.go b/src/pkg/fmt/scan.go index f48fcbb44..d93a8c1da 100644 --- a/src/pkg/fmt/scan.go +++ b/src/pkg/fmt/scan.go @@ -35,6 +35,10 @@ type ScanState interface { ReadRune() (rune int, size int, err os.Error) // UnreadRune causes the next call to ReadRune to return the same rune. UnreadRune() os.Error + // SkipSpace skips space in the input. Newlines are treated as space + // unless the scan operation is Scanln, Fscanln or Sscanln, in which case + // a newline is treated as EOF. + SkipSpace() // Token skips space in the input if skipSpace is true, then returns the // run of Unicode code points c satisfying f(c). If f is nil, // !unicode.IsSpace(c) is used; that is, the token will hold non-space @@ -267,6 +271,14 @@ func notSpace(r int) bool { return !unicode.IsSpace(r) } + +// skipSpace provides Scan() methods the ability to skip space and newline characters +// in keeping with the current scanning mode set by format strings and Scan()/Scanln(). +func (s *ss) SkipSpace() { + s.skipSpace(false) +} + + // readRune is a structure to enable reading UTF-8 encoded code points // from an io.Reader. It is used if the Reader given to the scanner does // not already implement io.RuneReader. |