vendor: delete

1 files changed, 0 insertions, 91 deletions

diff --git a/vendor/github.com/hexops/gotextdiff/span/utf16.go b/vendor/github.com/hexops/gotextdiff/span/utf16.go
deleted file mode 100644
index f06a2468b..000000000
--- a/vendor/github.com/hexops/gotextdiff/span/utf16.go
+++ /dev/null
@@ -1,91 +0,0 @@
-// Copyright 2019 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 span
-
-import (
-	"fmt"
-	"unicode/utf16"
-	"unicode/utf8"
-)
-
-// ToUTF16Column calculates the utf16 column expressed by the point given the
-// supplied file contents.
-// This is used to convert from the native (always in bytes) column
-// representation and the utf16 counts used by some editors.
-func ToUTF16Column(p Point, content []byte) (int, error) {
-	if !p.HasPosition() {
-		return -1, fmt.Errorf("ToUTF16Column: point is missing position")
-	}
-	if !p.HasOffset() {
-		return -1, fmt.Errorf("ToUTF16Column: point is missing offset")
-	}
-	offset := p.Offset()      // 0-based
-	colZero := p.Column() - 1 // 0-based
-	if colZero == 0 {
-		// 0-based column 0, so it must be chr 1
-		return 1, nil
-	} else if colZero < 0 {
-		return -1, fmt.Errorf("ToUTF16Column: column is invalid (%v)", colZero)
-	}
-	// work out the offset at the start of the line using the column
-	lineOffset := offset - colZero
-	if lineOffset < 0 || offset > len(content) {
-		return -1, fmt.Errorf("ToUTF16Column: offsets %v-%v outside file contents (%v)", lineOffset, offset, len(content))
-	}
-	// Use the offset to pick out the line start.
-	// This cannot panic: offset > len(content) and lineOffset < offset.
-	start := content[lineOffset:]
-
-	// Now, truncate down to the supplied column.
-	start = start[:colZero]
-
-	// and count the number of utf16 characters
-	// in theory we could do this by hand more efficiently...
-	return len(utf16.Encode([]rune(string(start)))) + 1, nil
-}
-
-// FromUTF16Column advances the point by the utf16 character offset given the
-// supplied line contents.
-// This is used to convert from the utf16 counts used by some editors to the
-// native (always in bytes) column representation.
-func FromUTF16Column(p Point, chr int, content []byte) (Point, error) {
-	if !p.HasOffset() {
-		return Point{}, fmt.Errorf("FromUTF16Column: point is missing offset")
-	}
-	// if chr is 1 then no adjustment needed
-	if chr <= 1 {
-		return p, nil
-	}
-	if p.Offset() >= len(content) {
-		return p, fmt.Errorf("FromUTF16Column: offset (%v) greater than length of content (%v)", p.Offset(), len(content))
-	}
-	remains := content[p.Offset():]
-	// scan forward the specified number of characters
-	for count := 1; count < chr; count++ {
-		if len(remains) <= 0 {
-			return Point{}, fmt.Errorf("FromUTF16Column: chr goes beyond the content")
-		}
-		r, w := utf8.DecodeRune(remains)
-		if r == '\n' {
-			// Per the LSP spec:
-			//
-			// > If the character value is greater than the line length it
-			// > defaults back to the line length.
-			break
-		}
-		remains = remains[w:]
-		if r >= 0x10000 {
-			// a two point rune
-			count++
-			// if we finished in a two point rune, do not advance past the first
-			if count >= chr {
-				break
-			}
-		}
-		p.v.Column += w
-		p.v.Offset += w
-	}
-	return p, nil
-}