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Diffstat (limited to 'vendor/golang.org/x/text/unicode/norm/transform.go')
-rw-r--r--vendor/golang.org/x/text/unicode/norm/transform.go88
1 files changed, 0 insertions, 88 deletions
diff --git a/vendor/golang.org/x/text/unicode/norm/transform.go b/vendor/golang.org/x/text/unicode/norm/transform.go
deleted file mode 100644
index 9f47efb..0000000
--- a/vendor/golang.org/x/text/unicode/norm/transform.go
+++ /dev/null
@@ -1,88 +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 norm
-
-import (
- "unicode/utf8"
-
- "golang.org/x/text/transform"
-)
-
-// Reset implements the Reset method of the transform.Transformer interface.
-func (Form) Reset() {}
-
-// Transform implements the Transform method of the transform.Transformer
-// interface. It may need to write segments of up to MaxSegmentSize at once.
-// Users should either catch ErrShortDst and allow dst to grow or have dst be at
-// least of size MaxTransformChunkSize to be guaranteed of progress.
-func (f Form) Transform(dst, src []byte, atEOF bool) (nDst, nSrc int, err error) {
- n := 0
- // Cap the maximum number of src bytes to check.
- b := src
- eof := atEOF
- if ns := len(dst); ns < len(b) {
- err = transform.ErrShortDst
- eof = false
- b = b[:ns]
- }
- i, ok := formTable[f].quickSpan(inputBytes(b), n, len(b), eof)
- n += copy(dst[n:], b[n:i])
- if !ok {
- nDst, nSrc, err = f.transform(dst[n:], src[n:], atEOF)
- return nDst + n, nSrc + n, err
- }
- if n < len(src) && !atEOF {
- err = transform.ErrShortSrc
- }
- return n, n, err
-}
-
-func flushTransform(rb *reorderBuffer) bool {
- // Write out (must fully fit in dst, or else it is an ErrShortDst).
- if len(rb.out) < rb.nrune*utf8.UTFMax {
- return false
- }
- rb.out = rb.out[rb.flushCopy(rb.out):]
- return true
-}
-
-var errs = []error{nil, transform.ErrShortDst, transform.ErrShortSrc}
-
-// transform implements the transform.Transformer interface. It is only called
-// when quickSpan does not pass for a given string.
-func (f Form) transform(dst, src []byte, atEOF bool) (nDst, nSrc int, err error) {
- // TODO: get rid of reorderBuffer. See CL 23460044.
- rb := reorderBuffer{}
- rb.init(f, src)
- for {
- // Load segment into reorder buffer.
- rb.setFlusher(dst[nDst:], flushTransform)
- end := decomposeSegment(&rb, nSrc, atEOF)
- if end < 0 {
- return nDst, nSrc, errs[-end]
- }
- nDst = len(dst) - len(rb.out)
- nSrc = end
-
- // Next quickSpan.
- end = rb.nsrc
- eof := atEOF
- if n := nSrc + len(dst) - nDst; n < end {
- err = transform.ErrShortDst
- end = n
- eof = false
- }
- end, ok := rb.f.quickSpan(rb.src, nSrc, end, eof)
- n := copy(dst[nDst:], rb.src.bytes[nSrc:end])
- nSrc += n
- nDst += n
- if ok {
- if n < rb.nsrc && !atEOF {
- err = transform.ErrShortSrc
- }
- return nDst, nSrc, err
- }
- }
-}