From 554fd8c5195424bdbcabf5de30fdc183aba391bd Mon Sep 17 00:00:00 2001 From: upstream source tree Date: Sun, 15 Mar 2015 20:14:05 -0400 Subject: obtained gcc-4.6.4.tar.bz2 from upstream website; verified gcc-4.6.4.tar.bz2.sig; imported gcc-4.6.4 source tree from verified upstream tarball. downloading a git-generated archive based on the 'upstream' tag should provide you with a source tree that is binary identical to the one extracted from the above tarball. if you have obtained the source via the command 'git clone', however, do note that line-endings of files in your working directory might differ from line-endings of the respective files in the upstream repository. --- libgo/go/mime/grammar.go | 36 ++++++++++++++++++++++++++++++++++++ 1 file changed, 36 insertions(+) create mode 100644 libgo/go/mime/grammar.go (limited to 'libgo/go/mime/grammar.go') diff --git a/libgo/go/mime/grammar.go b/libgo/go/mime/grammar.go new file mode 100644 index 000000000..e60cbb8df --- /dev/null +++ b/libgo/go/mime/grammar.go @@ -0,0 +1,36 @@ +// Copyright 2010 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 mime + +import ( + "strings" +) + +// isTSpecial returns true if rune is in 'tspecials' as defined by RFC +// 1531 and RFC 2045. +func isTSpecial(rune int) bool { + return strings.IndexRune(`()<>@,;:\"/[]?=`, rune) != -1 +} + +// IsTokenChar returns true if rune is in 'token' as defined by RFC +// 1531 and RFC 2045. +func IsTokenChar(rune int) bool { + // token := 1* + return rune > 0x20 && rune < 0x7f && !isTSpecial(rune) +} + +// IsQText returns true if rune is in 'qtext' as defined by RFC 822. +func IsQText(rune int) bool { + // CHAR = ; ( 0-177, 0.-127.) + // qtext = , ; => may be folded + // "\" & CR, and including + // linear-white-space> + switch rune { + case '"', '\\', '\r': + return false + } + return rune < 0x80 +} -- cgit v1.2.3