added vendor

vendor/github.com/client9/misspell/notwords.go

@@ -0,0 +1,85 @@
+package misspell
+
+import (
+	"bytes"
+	"regexp"
+	"strings"
+)
+
+var (
+	reEmail     = regexp.MustCompile(`[a-zA-Z0-9_.%+-]+@[a-zA-Z0-9-.]+\.[a-zA-Z]{2,6}[^a-zA-Z]`)
+	reHost      = regexp.MustCompile(`[a-zA-Z0-9-.]+\.[a-zA-Z]+`)
+	reBackslash = regexp.MustCompile(`\\[a-z]`)
+)
+
+// RemovePath attempts to strip away embedded file system paths, e.g.
+//  /foo/bar or /static/myimg.png
+//
+//  TODO: windows style
+//
+func RemovePath(s string) string {
+	out := bytes.Buffer{}
+	var idx int
+	for len(s) > 0 {
+		if idx = strings.IndexByte(s, '/'); idx == -1 {
+			out.WriteString(s)
+			break
+		}
+
+		if idx > 0 {
+			idx--
+		}
+
+		var chclass string
+		switch s[idx] {
+		case '/', ' ', '\n', '\t', '\r':
+			chclass = " \n\r\t"
+		case '[':
+			chclass = "]\n"
+		case '(':
+			chclass = ")\n"
+		default:
+			out.WriteString(s[:idx+2])
+			s = s[idx+2:]
+			continue
+		}
+
+		endx := strings.IndexAny(s[idx+1:], chclass)
+		if endx != -1 {
+			out.WriteString(s[:idx+1])
+			out.Write(bytes.Repeat([]byte{' '}, endx))
+			s = s[idx+endx+1:]
+		} else {
+			out.WriteString(s)
+			break
+		}
+	}
+	return out.String()
+}
+
+// replaceWithBlanks returns a string with the same number of spaces as the input
+func replaceWithBlanks(s string) string {
+	return strings.Repeat(" ", len(s))
+}
+
+// RemoveEmail remove email-like strings, e.g. "nickg+junk@xfoobar.com", "nickg@xyz.abc123.biz"
+func RemoveEmail(s string) string {
+	return reEmail.ReplaceAllStringFunc(s, replaceWithBlanks)
+}
+
+// RemoveHost removes host-like strings "foobar.com" "abc123.fo1231.biz"
+func RemoveHost(s string) string {
+	return reHost.ReplaceAllStringFunc(s, replaceWithBlanks)
+}
+
+// RemoveBackslashEscapes removes characters that are preceeded by a backslash
+// commonly found in printf format stringd "\nto"
+func removeBackslashEscapes(s string) string {
+	return reBackslash.ReplaceAllStringFunc(s, replaceWithBlanks)
+}
+
+// RemoveNotWords blanks out all the not words
+func RemoveNotWords(s string) string {
+	// do most selective/specific first
+	return removeBackslashEscapes(RemoveHost(RemoveEmail(RemovePath(StripURL(s)))))
+}