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Check in the vendor directory
Travis seems to be having issues pulling deps, so we'll have to check in the vendor directory and prevent the makefile from trying to regenerate it normally.
This commit is contained in:
Solly Ross
parent
98e16bc315
commit
a293b2bf94
2526 changed files with 930931 additions and 4 deletions
239
vendor/golang.org/x/text/width/transform.go
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vendored
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239
vendor/golang.org/x/text/width/transform.go
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// Copyright 2015 The Go Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file.
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package width
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import (
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"unicode/utf8"
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"golang.org/x/text/transform"
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)
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type foldTransform struct {
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transform.NopResetter
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}
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func (foldTransform) Span(src []byte, atEOF bool) (n int, err error) {
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for n < len(src) {
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if src[n] < utf8.RuneSelf {
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// ASCII fast path.
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for n++; n < len(src) && src[n] < utf8.RuneSelf; n++ {
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}
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continue
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}
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v, size := trie.lookup(src[n:])
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if size == 0 { // incomplete UTF-8 encoding
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if !atEOF {
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err = transform.ErrShortSrc
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} else {
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n = len(src)
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}
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break
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}
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if elem(v)&tagNeedsFold != 0 {
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err = transform.ErrEndOfSpan
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break
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}
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n += size
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}
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return n, err
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}
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func (foldTransform) Transform(dst, src []byte, atEOF bool) (nDst, nSrc int, err error) {
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for nSrc < len(src) {
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if src[nSrc] < utf8.RuneSelf {
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// ASCII fast path.
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start, end := nSrc, len(src)
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if d := len(dst) - nDst; d < end-start {
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end = nSrc + d
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}
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for nSrc++; nSrc < end && src[nSrc] < utf8.RuneSelf; nSrc++ {
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}
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n := copy(dst[nDst:], src[start:nSrc])
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if nDst += n; nDst == len(dst) {
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nSrc = start + n
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if nSrc == len(src) {
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return nDst, nSrc, nil
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}
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if src[nSrc] < utf8.RuneSelf {
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return nDst, nSrc, transform.ErrShortDst
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}
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}
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continue
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}
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v, size := trie.lookup(src[nSrc:])
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if size == 0 { // incomplete UTF-8 encoding
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if !atEOF {
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return nDst, nSrc, transform.ErrShortSrc
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}
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size = 1 // gobble 1 byte
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}
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if elem(v)&tagNeedsFold == 0 {
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if size != copy(dst[nDst:], src[nSrc:nSrc+size]) {
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return nDst, nSrc, transform.ErrShortDst
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}
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nDst += size
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} else {
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data := inverseData[byte(v)]
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if len(dst)-nDst < int(data[0]) {
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return nDst, nSrc, transform.ErrShortDst
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}
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i := 1
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for end := int(data[0]); i < end; i++ {
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dst[nDst] = data[i]
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nDst++
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}
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dst[nDst] = data[i] ^ src[nSrc+size-1]
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nDst++
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}
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nSrc += size
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}
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return nDst, nSrc, nil
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}
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type narrowTransform struct {
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transform.NopResetter
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}
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func (narrowTransform) Span(src []byte, atEOF bool) (n int, err error) {
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for n < len(src) {
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if src[n] < utf8.RuneSelf {
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// ASCII fast path.
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for n++; n < len(src) && src[n] < utf8.RuneSelf; n++ {
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}
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continue
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}
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v, size := trie.lookup(src[n:])
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if size == 0 { // incomplete UTF-8 encoding
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if !atEOF {
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err = transform.ErrShortSrc
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} else {
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n = len(src)
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}
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break
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}
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if k := elem(v).kind(); byte(v) == 0 || k != EastAsianFullwidth && k != EastAsianWide && k != EastAsianAmbiguous {
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} else {
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err = transform.ErrEndOfSpan
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break
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}
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n += size
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}
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return n, err
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}
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func (narrowTransform) Transform(dst, src []byte, atEOF bool) (nDst, nSrc int, err error) {
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for nSrc < len(src) {
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if src[nSrc] < utf8.RuneSelf {
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// ASCII fast path.
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start, end := nSrc, len(src)
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if d := len(dst) - nDst; d < end-start {
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end = nSrc + d
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}
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for nSrc++; nSrc < end && src[nSrc] < utf8.RuneSelf; nSrc++ {
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}
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n := copy(dst[nDst:], src[start:nSrc])
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if nDst += n; nDst == len(dst) {
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nSrc = start + n
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if nSrc == len(src) {
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return nDst, nSrc, nil
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}
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if src[nSrc] < utf8.RuneSelf {
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return nDst, nSrc, transform.ErrShortDst
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}
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}
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continue
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}
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v, size := trie.lookup(src[nSrc:])
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if size == 0 { // incomplete UTF-8 encoding
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if !atEOF {
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return nDst, nSrc, transform.ErrShortSrc
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}
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size = 1 // gobble 1 byte
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}
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if k := elem(v).kind(); byte(v) == 0 || k != EastAsianFullwidth && k != EastAsianWide && k != EastAsianAmbiguous {
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if size != copy(dst[nDst:], src[nSrc:nSrc+size]) {
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return nDst, nSrc, transform.ErrShortDst
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}
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nDst += size
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} else {
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data := inverseData[byte(v)]
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if len(dst)-nDst < int(data[0]) {
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return nDst, nSrc, transform.ErrShortDst
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}
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i := 1
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for end := int(data[0]); i < end; i++ {
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dst[nDst] = data[i]
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nDst++
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}
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dst[nDst] = data[i] ^ src[nSrc+size-1]
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nDst++
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}
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nSrc += size
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}
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return nDst, nSrc, nil
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}
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type wideTransform struct {
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transform.NopResetter
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}
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func (wideTransform) Span(src []byte, atEOF bool) (n int, err error) {
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for n < len(src) {
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// TODO: Consider ASCII fast path. Special-casing ASCII handling can
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// reduce the ns/op of BenchmarkWideASCII by about 30%. This is probably
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// not enough to warrant the extra code and complexity.
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v, size := trie.lookup(src[n:])
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if size == 0 { // incomplete UTF-8 encoding
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if !atEOF {
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err = transform.ErrShortSrc
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} else {
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n = len(src)
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}
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break
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}
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if k := elem(v).kind(); byte(v) == 0 || k != EastAsianHalfwidth && k != EastAsianNarrow {
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} else {
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err = transform.ErrEndOfSpan
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break
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}
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n += size
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}
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return n, err
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}
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func (wideTransform) Transform(dst, src []byte, atEOF bool) (nDst, nSrc int, err error) {
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for nSrc < len(src) {
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// TODO: Consider ASCII fast path. Special-casing ASCII handling can
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// reduce the ns/op of BenchmarkWideASCII by about 30%. This is probably
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// not enough to warrant the extra code and complexity.
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v, size := trie.lookup(src[nSrc:])
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if size == 0 { // incomplete UTF-8 encoding
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if !atEOF {
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return nDst, nSrc, transform.ErrShortSrc
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}
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size = 1 // gobble 1 byte
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}
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if k := elem(v).kind(); byte(v) == 0 || k != EastAsianHalfwidth && k != EastAsianNarrow {
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if size != copy(dst[nDst:], src[nSrc:nSrc+size]) {
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return nDst, nSrc, transform.ErrShortDst
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}
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nDst += size
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} else {
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data := inverseData[byte(v)]
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if len(dst)-nDst < int(data[0]) {
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return nDst, nSrc, transform.ErrShortDst
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}
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i := 1
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for end := int(data[0]); i < end; i++ {
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dst[nDst] = data[i]
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nDst++
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}
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dst[nDst] = data[i] ^ src[nSrc+size-1]
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nDst++
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}
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nSrc += size
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}
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return nDst, nSrc, nil
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}
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