From 25d6ae69d1cb392922b9d9dc0da1c17aef9a9db2 Mon Sep 17 00:00:00 2001
From: Unknwon <joe2010xtmf@163.com>
Date: Sun, 7 Sep 2014 19:58:01 -0400
Subject: Remove hg dep

---
 modules/mahonia/ASCII.go | 76 ++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 76 insertions(+)
 create mode 100644 modules/mahonia/ASCII.go

(limited to 'modules/mahonia/ASCII.go')

diff --git a/modules/mahonia/ASCII.go b/modules/mahonia/ASCII.go
new file mode 100644
index 00000000..5e4eebf4
--- /dev/null
+++ b/modules/mahonia/ASCII.go
@@ -0,0 +1,76 @@
+package mahonia
+
+// Converters for ASCII and ISO-8859-1
+
+func init() {
+	for i := 0; i < len(asciiCharsets); i++ {
+		RegisterCharset(&asciiCharsets[i])
+	}
+}
+
+var asciiCharsets = []Charset{
+	{
+		Name:       "US-ASCII",
+		NewDecoder: func() Decoder { return decodeASCIIRune },
+		NewEncoder: func() Encoder { return encodeASCIIRune },
+		Aliases:    []string{"ASCII", "US", "ISO646-US", "IBM367", "cp367", "ANSI_X3.4-1968", "iso-ir-6", "ANSI_X3.4-1986", "ISO_646.irv:1991", "csASCII"},
+	},
+	{
+		Name:       "ISO-8859-1",
+		NewDecoder: func() Decoder { return decodeLatin1Rune },
+		NewEncoder: func() Encoder { return encodeLatin1Rune },
+		Aliases:    []string{"latin1", "ISO Latin 1", "IBM819", "cp819", "ISO_8859-1:1987", "iso-ir-100", "l1", "csISOLatin1"},
+	},
+}
+
+func decodeASCIIRune(p []byte) (c rune, size int, status Status) {
+	if len(p) == 0 {
+		status = NO_ROOM
+		return
+	}
+
+	b := p[0]
+	if b > 127 {
+		return 0xfffd, 1, INVALID_CHAR
+	}
+	return rune(b), 1, SUCCESS
+}
+
+func encodeASCIIRune(p []byte, c rune) (size int, status Status) {
+	if len(p) == 0 {
+		status = NO_ROOM
+		return
+	}
+
+	if c < 128 {
+		p[0] = byte(c)
+		return 1, SUCCESS
+	}
+
+	p[0] = '?'
+	return 1, INVALID_CHAR
+}
+
+func decodeLatin1Rune(p []byte) (c rune, size int, status Status) {
+	if len(p) == 0 {
+		status = NO_ROOM
+		return
+	}
+
+	return rune(p[0]), 1, SUCCESS
+}
+
+func encodeLatin1Rune(p []byte, c rune) (size int, status Status) {
+	if len(p) == 0 {
+		status = NO_ROOM
+		return
+	}
+
+	if c < 256 {
+		p[0] = byte(c)
+		return 1, SUCCESS
+	}
+
+	p[0] = '?'
+	return 1, INVALID_CHAR
+}
-- 
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