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Diffstat (limited to 'vendor/golang.org/x/text/encoding/japanese/shiftjis.go')
-rw-r--r--vendor/golang.org/x/text/encoding/japanese/shiftjis.go189
1 files changed, 0 insertions, 189 deletions
diff --git a/vendor/golang.org/x/text/encoding/japanese/shiftjis.go b/vendor/golang.org/x/text/encoding/japanese/shiftjis.go
deleted file mode 100644
index 16fd8a6..0000000
--- a/vendor/golang.org/x/text/encoding/japanese/shiftjis.go
+++ /dev/null
@@ -1,189 +0,0 @@
-// Copyright 2013 The Go Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-package japanese
-
-import (
- "unicode/utf8"
-
- "golang.org/x/text/encoding"
- "golang.org/x/text/encoding/internal"
- "golang.org/x/text/encoding/internal/identifier"
- "golang.org/x/text/transform"
-)
-
-// ShiftJIS is the Shift JIS encoding, also known as Code Page 932 and
-// Windows-31J.
-var ShiftJIS encoding.Encoding = &shiftJIS
-
-var shiftJIS = internal.Encoding{
- &internal.SimpleEncoding{shiftJISDecoder{}, shiftJISEncoder{}},
- "Shift JIS",
- identifier.ShiftJIS,
-}
-
-type shiftJISDecoder struct{ transform.NopResetter }
-
-func (shiftJISDecoder) Transform(dst, src []byte, atEOF bool) (nDst, nSrc int, err error) {
- r, size := rune(0), 0
-loop:
- for ; nSrc < len(src); nSrc += size {
- switch c0 := src[nSrc]; {
- case c0 < utf8.RuneSelf:
- r, size = rune(c0), 1
-
- case 0xa1 <= c0 && c0 < 0xe0:
- r, size = rune(c0)+(0xff61-0xa1), 1
-
- case (0x81 <= c0 && c0 < 0xa0) || (0xe0 <= c0 && c0 < 0xfd):
- if c0 <= 0x9f {
- c0 -= 0x70
- } else {
- c0 -= 0xb0
- }
- c0 = 2*c0 - 0x21
-
- if nSrc+1 >= len(src) {
- if !atEOF {
- err = transform.ErrShortSrc
- break loop
- }
- r, size = '\ufffd', 1
- goto write
- }
- c1 := src[nSrc+1]
- switch {
- case c1 < 0x40:
- r, size = '\ufffd', 1 // c1 is ASCII so output on next round
- goto write
- case c1 < 0x7f:
- c0--
- c1 -= 0x40
- case c1 == 0x7f:
- r, size = '\ufffd', 1 // c1 is ASCII so output on next round
- goto write
- case c1 < 0x9f:
- c0--
- c1 -= 0x41
- case c1 < 0xfd:
- c1 -= 0x9f
- default:
- r, size = '\ufffd', 2
- goto write
- }
- r, size = '\ufffd', 2
- if i := int(c0)*94 + int(c1); i < len(jis0208Decode) {
- r = rune(jis0208Decode[i])
- if r == 0 {
- r = '\ufffd'
- }
- }
-
- case c0 == 0x80:
- r, size = 0x80, 1
-
- default:
- r, size = '\ufffd', 1
- }
- write:
- if nDst+utf8.RuneLen(r) > len(dst) {
- err = transform.ErrShortDst
- break loop
- }
- nDst += utf8.EncodeRune(dst[nDst:], r)
- }
- return nDst, nSrc, err
-}
-
-type shiftJISEncoder struct{ transform.NopResetter }
-
-func (shiftJISEncoder) Transform(dst, src []byte, atEOF bool) (nDst, nSrc int, err error) {
- r, size := rune(0), 0
-loop:
- for ; nSrc < len(src); nSrc += size {
- r = rune(src[nSrc])
-
- // Decode a 1-byte rune.
- if r < utf8.RuneSelf {
- size = 1
-
- } else {
- // Decode a multi-byte rune.
- r, size = utf8.DecodeRune(src[nSrc:])
- if size == 1 {
- // All valid runes of size 1 (those below utf8.RuneSelf) were
- // handled above. We have invalid UTF-8 or we haven't seen the
- // full character yet.
- if !atEOF && !utf8.FullRune(src[nSrc:]) {
- err = transform.ErrShortSrc
- break loop
- }
- }
-
- // func init checks that the switch covers all tables.
- switch {
- case encode0Low <= r && r < encode0High:
- if r = rune(encode0[r-encode0Low]); r>>tableShift == jis0208 {
- goto write2
- }
- case encode1Low <= r && r < encode1High:
- if r = rune(encode1[r-encode1Low]); r>>tableShift == jis0208 {
- goto write2
- }
- case encode2Low <= r && r < encode2High:
- if r = rune(encode2[r-encode2Low]); r>>tableShift == jis0208 {
- goto write2
- }
- case encode3Low <= r && r < encode3High:
- if r = rune(encode3[r-encode3Low]); r>>tableShift == jis0208 {
- goto write2
- }
- case encode4Low <= r && r < encode4High:
- if r = rune(encode4[r-encode4Low]); r>>tableShift == jis0208 {
- goto write2
- }
- case encode5Low <= r && r < encode5High:
- if 0xff61 <= r && r < 0xffa0 {
- r -= 0xff61 - 0xa1
- goto write1
- }
- if r = rune(encode5[r-encode5Low]); r>>tableShift == jis0208 {
- goto write2
- }
- }
- err = internal.ErrASCIIReplacement
- break
- }
-
- write1:
- if nDst >= len(dst) {
- err = transform.ErrShortDst
- break
- }
- dst[nDst] = uint8(r)
- nDst++
- continue
-
- write2:
- j1 := uint8(r>>codeShift) & codeMask
- j2 := uint8(r) & codeMask
- if nDst+2 > len(dst) {
- err = transform.ErrShortDst
- break loop
- }
- if j1 <= 61 {
- dst[nDst+0] = 129 + j1/2
- } else {
- dst[nDst+0] = 193 + j1/2
- }
- if j1&1 == 0 {
- dst[nDst+1] = j2 + j2/63 + 64
- } else {
- dst[nDst+1] = j2 + 159
- }
- nDst += 2
- continue
- }
- return nDst, nSrc, err
-}