From 7c49eceebaa5202067b3484abaa1e6278377fe2a Mon Sep 17 00:00:00 2001
From: Loic Nageleisen <loic.nageleisen@gmail.com>
Date: Tue, 30 Jun 2015 11:46:57 +0200
Subject: [PATCH] factor out CP1252 map

---
 fix_latin.go | 62 +++++++++++++++++++++++++++-------------------------
 1 file changed, 32 insertions(+), 30 deletions(-)

diff --git a/fix_latin.go b/fix_latin.go
index 3187604..70a9b37 100644
--- a/fix_latin.go
+++ b/fix_latin.go
@@ -32,6 +32,38 @@ func Assume(e Encoding) func(*Fixer) error {
 	}
 }
 
+// remainder is ISO-8859-1
+// does not define 0x81, 0x8D, 0x8F, 0x90, 09D
+var cp1252 = map[byte][]byte{
+	0x80: {0xE2, 0x82, 0xAC}, // EURO SIGN
+	0x82: {0xE2, 0x80, 0x9A}, // SINGLE LOW-9 QUOTATION MARK
+	0x83: {0xC6, 0x92},       // LATIN SMALL LETTER F WITH HOOK
+	0x84: {0xE2, 0x80, 0x9E}, // DOUBLE LOW-9 QUOTATION MARK
+	0x85: {0xE2, 0x80, 0xA6}, // HORIZONTAL ELLIPSIS
+	0x86: {0xE2, 0x80, 0xA0}, // DAGGER
+	0x87: {0xE2, 0x80, 0xA1}, // DOUBLE DAGGER
+	0x88: {0xCB, 0x86},       // MODIFIER LETTER CIRCUMFLEX ACCENT
+	0x89: {0xE2, 0x80, 0xB0}, // PER MILLE SIGN
+	0x8A: {0xC5, 0xA0},       // LATIN CAPITAL LETTER S WITH CARON
+	0x8B: {0xE2, 0x80, 0xB9}, // SINGLE LEFT-POINTING ANGLE QUOTATION MARK
+	0x8C: {0xC5, 0x92},       // LATIN CAPITAL LIGATURE OE
+	0x8E: {0xC5, 0xBD},       // LATIN CAPITAL LETTER Z WITH CARON
+	0x91: {0xE2, 0x80, 0x98}, // LEFT SINGLE QUOTATION MARK
+	0x92: {0xE2, 0x80, 0x99}, // RIGHT SINGLE QUOTATION MARK
+	0x93: {0xE2, 0x80, 0x9C}, // LEFT DOUBLE QUOTATION MARK
+	0x94: {0xE2, 0x80, 0x9D}, // RIGHT DOUBLE QUOTATION MARK
+	0x95: {0xE2, 0x80, 0xA2}, // BULLET
+	0x96: {0xE2, 0x80, 0x93}, // EN DASH
+	0x97: {0xE2, 0x80, 0x94}, // EM DASH
+	0x98: {0xCB, 0x9C},       // SMALL TILDE
+	0x99: {0xE2, 0x84, 0xA2}, // TRADE MARK SIGN
+	0x9A: {0xC5, 0xA1},       // LATIN SMALL LETTER S WITH CARON
+	0x9B: {0xE2, 0x80, 0xBA}, // SINGLE RIGHT-POINTING ANGLE QUOTATION MARK
+	0x9C: {0xC5, 0x93},       // LATIN SMALL LIGATURE OE
+	0x9E: {0xC5, 0xBE},       // LATIN SMALL LETTER Z WITH CARON
+	0x9F: {0xC5, 0xB8},       // LATIN CAPITAL LETTER Y WITH DIAERESIS
+}
+
 func Fix(r io.Reader, w io.Writer, options ...func(*Fixer) error) {
 	f := &Fixer{}
 
@@ -108,36 +140,6 @@ func Fix(r io.Reader, w io.Writer, options ...func(*Fixer) error) {
 
 		// CP1252
 		if handle_cp1252 {
-			// does not define 0x81, 0x8D, 0x8F, 0x90, 09D
-			cp1252 := map[byte][]byte{
-				0x80: {0xE2, 0x82, 0xAC}, // EURO SIGN
-				0x82: {0xE2, 0x80, 0x9A}, // SINGLE LOW-9 QUOTATION MARK
-				0x83: {0xC6, 0x92},       // LATIN SMALL LETTER F WITH HOOK
-				0x84: {0xE2, 0x80, 0x9E}, // DOUBLE LOW-9 QUOTATION MARK
-				0x85: {0xE2, 0x80, 0xA6}, // HORIZONTAL ELLIPSIS
-				0x86: {0xE2, 0x80, 0xA0}, // DAGGER
-				0x87: {0xE2, 0x80, 0xA1}, // DOUBLE DAGGER
-				0x88: {0xCB, 0x86},       // MODIFIER LETTER CIRCUMFLEX ACCENT
-				0x89: {0xE2, 0x80, 0xB0}, // PER MILLE SIGN
-				0x8A: {0xC5, 0xA0},       // LATIN CAPITAL LETTER S WITH CARON
-				0x8B: {0xE2, 0x80, 0xB9}, // SINGLE LEFT-POINTING ANGLE QUOTATION MARK
-				0x8C: {0xC5, 0x92},       // LATIN CAPITAL LIGATURE OE
-				0x8E: {0xC5, 0xBD},       // LATIN CAPITAL LETTER Z WITH CARON
-				0x91: {0xE2, 0x80, 0x98}, // LEFT SINGLE QUOTATION MARK
-				0x92: {0xE2, 0x80, 0x99}, // RIGHT SINGLE QUOTATION MARK
-				0x93: {0xE2, 0x80, 0x9C}, // LEFT DOUBLE QUOTATION MARK
-				0x94: {0xE2, 0x80, 0x9D}, // RIGHT DOUBLE QUOTATION MARK
-				0x95: {0xE2, 0x80, 0xA2}, // BULLET
-				0x96: {0xE2, 0x80, 0x93}, // EN DASH
-				0x97: {0xE2, 0x80, 0x94}, // EM DASH
-				0x98: {0xCB, 0x9C},       // SMALL TILDE
-				0x99: {0xE2, 0x84, 0xA2}, // TRADE MARK SIGN
-				0x9A: {0xC5, 0xA1},       // LATIN SMALL LETTER S WITH CARON
-				0x9B: {0xE2, 0x80, 0xBA}, // SINGLE RIGHT-POINTING ANGLE QUOTATION MARK
-				0x9C: {0xC5, 0x93},       // LATIN SMALL LIGATURE OE
-				0x9E: {0xC5, 0xBE},       // LATIN SMALL LETTER Z WITH CARON
-				0x9F: {0xC5, 0xB8},       // LATIN CAPITAL LETTER Y WITH DIAERESIS
-			}
 			if bytes, ok := cp1252[input[0]]; ok {
 				for _, b := range bytes {
 					output = append(output, b)