some deletions

[dotfiles/.git] / .config / coc / extensions / coc-go-data / tools / pkg / mod / golang.org / x / tools@v0.0.0-20201105173854-bc9fc8d8c4bc / godoc / util / util.go

diff --git a/.config/coc/extensions/coc-go-data/tools/pkg/mod/golang.org/x/tools@v0.0.0-20201105173854-bc9fc8d8c4bc/godoc/util/util.go b/.config/coc/extensions/coc-go-data/tools/pkg/mod/golang.org/x/tools@v0.0.0-20201105173854-bc9fc8d8c4bc/godoc/util/util.go
deleted file mode 100644 (file)
index c08ca78..0000000
--- a/.config/coc/extensions/coc-go-data/tools/pkg/mod/golang.org/x/tools@v0.0.0-20201105173854-bc9fc8d8c4bc/godoc/util/util.go
+++ /dev/null
@@ -1,90 +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 util contains utility types and functions for godoc.
-package util // import "golang.org/x/tools/godoc/util"
-
-import (
-       pathpkg "path"
-       "sync"
-       "time"
-       "unicode/utf8"
-
-       "golang.org/x/tools/godoc/vfs"
-)
-
-// An RWValue wraps a value and permits mutually exclusive
-// access to it and records the time the value was last set.
-type RWValue struct {
-       mutex     sync.RWMutex
-       value     interface{}
-       timestamp time.Time // time of last set()
-}
-
-func (v *RWValue) Set(value interface{}) {
-       v.mutex.Lock()
-       v.value = value
-       v.timestamp = time.Now()
-       v.mutex.Unlock()
-}
-
-func (v *RWValue) Get() (interface{}, time.Time) {
-       v.mutex.RLock()
-       defer v.mutex.RUnlock()
-       return v.value, v.timestamp
-}
-
-// IsText reports whether a significant prefix of s looks like correct UTF-8;
-// that is, if it is likely that s is human-readable text.
-func IsText(s []byte) bool {
-       const max = 1024 // at least utf8.UTFMax
-       if len(s) > max {
-               s = s[0:max]
-       }
-       for i, c := range string(s) {
-               if i+utf8.UTFMax > len(s) {
-                       // last char may be incomplete - ignore
-                       break
-               }
-               if c == 0xFFFD || c < ' ' && c != '\n' && c != '\t' && c != '\f' {
-                       // decoding error or control character - not a text file
-                       return false
-               }
-       }
-       return true
-}
-
-// textExt[x] is true if the extension x indicates a text file, and false otherwise.
-var textExt = map[string]bool{
-       ".css": false, // must be served raw
-       ".js":  false, // must be served raw
-       ".svg": false, // must be served raw
-}
-
-// IsTextFile reports whether the file has a known extension indicating
-// a text file, or if a significant chunk of the specified file looks like
-// correct UTF-8; that is, if it is likely that the file contains human-
-// readable text.
-func IsTextFile(fs vfs.Opener, filename string) bool {
-       // if the extension is known, use it for decision making
-       if isText, found := textExt[pathpkg.Ext(filename)]; found {
-               return isText
-       }
-
-       // the extension is not known; read an initial chunk
-       // of the file and check if it looks like text
-       f, err := fs.Open(filename)
-       if err != nil {
-               return false
-       }
-       defer f.Close()
-
-       var buf [1024]byte
-       n, err := f.Read(buf[0:])
-       if err != nil {
-               return false
-       }
-
-       return IsText(buf[0:n])
-}