| // Copyright 2009 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 http |
| |
| // This file deals with lexical matters of HTTP |
| |
| var isTokenTable = [127]bool{ |
| '!': true, |
| '#': true, |
| '$': true, |
| '%': true, |
| '&': true, |
| '\'': true, |
| '*': true, |
| '+': true, |
| '-': true, |
| '.': true, |
| '0': true, |
| '1': true, |
| '2': true, |
| '3': true, |
| '4': true, |
| '5': true, |
| '6': true, |
| '7': true, |
| '8': true, |
| '9': true, |
| 'A': true, |
| 'B': true, |
| 'C': true, |
| 'D': true, |
| 'E': true, |
| 'F': true, |
| 'G': true, |
| 'H': true, |
| 'I': true, |
| 'J': true, |
| 'K': true, |
| 'L': true, |
| 'M': true, |
| 'N': true, |
| 'O': true, |
| 'P': true, |
| 'Q': true, |
| 'R': true, |
| 'S': true, |
| 'T': true, |
| 'U': true, |
| 'W': true, |
| 'V': true, |
| 'X': true, |
| 'Y': true, |
| 'Z': true, |
| '^': true, |
| '_': true, |
| '`': true, |
| 'a': true, |
| 'b': true, |
| 'c': true, |
| 'd': true, |
| 'e': true, |
| 'f': true, |
| 'g': true, |
| 'h': true, |
| 'i': true, |
| 'j': true, |
| 'k': true, |
| 'l': true, |
| 'm': true, |
| 'n': true, |
| 'o': true, |
| 'p': true, |
| 'q': true, |
| 'r': true, |
| 's': true, |
| 't': true, |
| 'u': true, |
| 'v': true, |
| 'w': true, |
| 'x': true, |
| 'y': true, |
| 'z': true, |
| '|': true, |
| '~': true, |
| } |
| |
| func isToken(r rune) bool { |
| i := int(r) |
| return i < len(isTokenTable) && isTokenTable[i] |
| } |
| |
| func isNotToken(r rune) bool { |
| return !isToken(r) |
| } |