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1 files changed, 0 insertions, 457 deletions

diff --git a/vendor/gopkg.in/russross/blackfriday.v2/smartypants.go b/vendor/gopkg.in/russross/blackfriday.v2/smartypants.go
deleted file mode 100644
index 3a220e9..0000000
--- a/vendor/gopkg.in/russross/blackfriday.v2/smartypants.go
+++ /dev/null
@@ -1,457 +0,0 @@
-//
-// Blackfriday Markdown Processor
-// Available at http://github.com/russross/blackfriday
-//
-// Copyright © 2011 Russ Ross <russ@russross.com>.
-// Distributed under the Simplified BSD License.
-// See README.md for details.
-//
-
-//
-//
-// SmartyPants rendering
-//
-//
-
-package blackfriday
-
-import (
-	"bytes"
-	"io"
-)
-
-// SPRenderer is a struct containing state of a Smartypants renderer.
-type SPRenderer struct {
-	inSingleQuote bool
-	inDoubleQuote bool
-	callbacks     [256]smartCallback
-}
-
-func wordBoundary(c byte) bool {
-	return c == 0 || isspace(c) || ispunct(c)
-}
-
-func tolower(c byte) byte {
-	if c >= 'A' && c <= 'Z' {
-		return c - 'A' + 'a'
-	}
-	return c
-}
-
-func isdigit(c byte) bool {
-	return c >= '0' && c <= '9'
-}
-
-func smartQuoteHelper(out *bytes.Buffer, previousChar byte, nextChar byte, quote byte, isOpen *bool, addNBSP bool) bool {
-	// edge of the buffer is likely to be a tag that we don't get to see,
-	// so we treat it like text sometimes
-
-	// enumerate all sixteen possibilities for (previousChar, nextChar)
-	// each can be one of {0, space, punct, other}
-	switch {
-	case previousChar == 0 && nextChar == 0:
-		// context is not any help here, so toggle
-		*isOpen = !*isOpen
-	case isspace(previousChar) && nextChar == 0:
-		// [ "] might be [ "<code>foo...]
-		*isOpen = true
-	case ispunct(previousChar) && nextChar == 0:
-		// [!"] hmm... could be [Run!"] or [("<code>...]
-		*isOpen = false
-	case /* isnormal(previousChar) && */ nextChar == 0:
-		// [a"] is probably a close
-		*isOpen = false
-	case previousChar == 0 && isspace(nextChar):
-		// [" ] might be [...foo</code>" ]
-		*isOpen = false
-	case isspace(previousChar) && isspace(nextChar):
-		// [ " ] context is not any help here, so toggle
-		*isOpen = !*isOpen
-	case ispunct(previousChar) && isspace(nextChar):
-		// [!" ] is probably a close
-		*isOpen = false
-	case /* isnormal(previousChar) && */ isspace(nextChar):
-		// [a" ] this is one of the easy cases
-		*isOpen = false
-	case previousChar == 0 && ispunct(nextChar):
-		// ["!] hmm... could be ["$1.95] or [</code>"!...]
-		*isOpen = false
-	case isspace(previousChar) && ispunct(nextChar):
-		// [ "!] looks more like [ "$1.95]
-		*isOpen = true
-	case ispunct(previousChar) && ispunct(nextChar):
-		// [!"!] context is not any help here, so toggle
-		*isOpen = !*isOpen
-	case /* isnormal(previousChar) && */ ispunct(nextChar):
-		// [a"!] is probably a close
-		*isOpen = false
-	case previousChar == 0 /* && isnormal(nextChar) */ :
-		// ["a] is probably an open
-		*isOpen = true
-	case isspace(previousChar) /* && isnormal(nextChar) */ :
-		// [ "a] this is one of the easy cases
-		*isOpen = true
-	case ispunct(previousChar) /* && isnormal(nextChar) */ :
-		// [!"a] is probably an open
-		*isOpen = true
-	default:
-		// [a'b] maybe a contraction?
-		*isOpen = false
-	}
-
-	// Note that with the limited lookahead, this non-breaking
-	// space will also be appended to single double quotes.
-	if addNBSP && !*isOpen {
-		out.WriteString("&nbsp;")
-	}
-
-	out.WriteByte('&')
-	if *isOpen {
-		out.WriteByte('l')
-	} else {
-		out.WriteByte('r')
-	}
-	out.WriteByte(quote)
-	out.WriteString("quo;")
-
-	if addNBSP && *isOpen {
-		out.WriteString("&nbsp;")
-	}
-
-	return true
-}
-
-func (r *SPRenderer) smartSingleQuote(out *bytes.Buffer, previousChar byte, text []byte) int {
-	if len(text) >= 2 {
-		t1 := tolower(text[1])
-
-		if t1 == '\'' {
-			nextChar := byte(0)
-			if len(text) >= 3 {
-				nextChar = text[2]
-			}
-			if smartQuoteHelper(out, previousChar, nextChar, 'd', &r.inDoubleQuote, false) {
-				return 1
-			}
-		}
-
-		if (t1 == 's' || t1 == 't' || t1 == 'm' || t1 == 'd') && (len(text) < 3 || wordBoundary(text[2])) {
-			out.WriteString("&rsquo;")
-			return 0
-		}
-
-		if len(text) >= 3 {
-			t2 := tolower(text[2])
-
-			if ((t1 == 'r' && t2 == 'e') || (t1 == 'l' && t2 == 'l') || (t1 == 'v' && t2 == 'e')) &&
-				(len(text) < 4 || wordBoundary(text[3])) {
-				out.WriteString("&rsquo;")
-				return 0
-			}
-		}
-	}
-
-	nextChar := byte(0)
-	if len(text) > 1 {
-		nextChar = text[1]
-	}
-	if smartQuoteHelper(out, previousChar, nextChar, 's', &r.inSingleQuote, false) {
-		return 0
-	}
-
-	out.WriteByte(text[0])
-	return 0
-}
-
-func (r *SPRenderer) smartParens(out *bytes.Buffer, previousChar byte, text []byte) int {
-	if len(text) >= 3 {
-		t1 := tolower(text[1])
-		t2 := tolower(text[2])
-
-		if t1 == 'c' && t2 == ')' {
-			out.WriteString("&copy;")
-			return 2
-		}
-
-		if t1 == 'r' && t2 == ')' {
-			out.WriteString("&reg;")
-			return 2
-		}
-
-		if len(text) >= 4 && t1 == 't' && t2 == 'm' && text[3] == ')' {
-			out.WriteString("&trade;")
-			return 3
-		}
-	}
-
-	out.WriteByte(text[0])
-	return 0
-}
-
-func (r *SPRenderer) smartDash(out *bytes.Buffer, previousChar byte, text []byte) int {
-	if len(text) >= 2 {
-		if text[1] == '-' {
-			out.WriteString("&mdash;")
-			return 1
-		}
-
-		if wordBoundary(previousChar) && wordBoundary(text[1]) {
-			out.WriteString("&ndash;")
-			return 0
-		}
-	}
-
-	out.WriteByte(text[0])
-	return 0
-}
-
-func (r *SPRenderer) smartDashLatex(out *bytes.Buffer, previousChar byte, text []byte) int {
-	if len(text) >= 3 && text[1] == '-' && text[2] == '-' {
-		out.WriteString("&mdash;")
-		return 2
-	}
-	if len(text) >= 2 && text[1] == '-' {
-		out.WriteString("&ndash;")
-		return 1
-	}
-
-	out.WriteByte(text[0])
-	return 0
-}
-
-func (r *SPRenderer) smartAmpVariant(out *bytes.Buffer, previousChar byte, text []byte, quote byte, addNBSP bool) int {
-	if bytes.HasPrefix(text, []byte("&quot;")) {
-		nextChar := byte(0)
-		if len(text) >= 7 {
-			nextChar = text[6]
-		}
-		if smartQuoteHelper(out, previousChar, nextChar, quote, &r.inDoubleQuote, addNBSP) {
-			return 5
-		}
-	}
-
-	if bytes.HasPrefix(text, []byte("&#0;")) {
-		return 3
-	}
-
-	out.WriteByte('&')
-	return 0
-}
-
-func (r *SPRenderer) smartAmp(angledQuotes, addNBSP bool) func(*bytes.Buffer, byte, []byte) int {
-	var quote byte = 'd'
-	if angledQuotes {
-		quote = 'a'
-	}
-
-	return func(out *bytes.Buffer, previousChar byte, text []byte) int {
-		return r.smartAmpVariant(out, previousChar, text, quote, addNBSP)
-	}
-}
-
-func (r *SPRenderer) smartPeriod(out *bytes.Buffer, previousChar byte, text []byte) int {
-	if len(text) >= 3 && text[1] == '.' && text[2] == '.' {
-		out.WriteString("&hellip;")
-		return 2
-	}
-
-	if len(text) >= 5 && text[1] == ' ' && text[2] == '.' && text[3] == ' ' && text[4] == '.' {
-		out.WriteString("&hellip;")
-		return 4
-	}
-
-	out.WriteByte(text[0])
-	return 0
-}
-
-func (r *SPRenderer) smartBacktick(out *bytes.Buffer, previousChar byte, text []byte) int {
-	if len(text) >= 2 && text[1] == '`' {
-		nextChar := byte(0)
-		if len(text) >= 3 {
-			nextChar = text[2]
-		}
-		if smartQuoteHelper(out, previousChar, nextChar, 'd', &r.inDoubleQuote, false) {
-			return 1
-		}
-	}
-
-	out.WriteByte(text[0])
-	return 0
-}
-
-func (r *SPRenderer) smartNumberGeneric(out *bytes.Buffer, previousChar byte, text []byte) int {
-	if wordBoundary(previousChar) && previousChar != '/' && len(text) >= 3 {
-		// is it of the form digits/digits(word boundary)?, i.e., \d+/\d+\b
-		// note: check for regular slash (/) or fraction slash (⁄, 0x2044, or 0xe2 81 84 in utf-8)
-		//       and avoid changing dates like 1/23/2005 into fractions.
-		numEnd := 0
-		for len(text) > numEnd && isdigit(text[numEnd]) {
-			numEnd++
-		}
-		if numEnd == 0 {
-			out.WriteByte(text[0])
-			return 0
-		}
-		denStart := numEnd + 1
-		if len(text) > numEnd+3 && text[numEnd] == 0xe2 && text[numEnd+1] == 0x81 && text[numEnd+2] == 0x84 {
-			denStart = numEnd + 3
-		} else if len(text) < numEnd+2 || text[numEnd] != '/' {
-			out.WriteByte(text[0])
-			return 0
-		}
-		denEnd := denStart
-		for len(text) > denEnd && isdigit(text[denEnd]) {
-			denEnd++
-		}
-		if denEnd == denStart {
-			out.WriteByte(text[0])
-			return 0
-		}
-		if len(text) == denEnd || wordBoundary(text[denEnd]) && text[denEnd] != '/' {
-			out.WriteString("<sup>")
-			out.Write(text[:numEnd])
-			out.WriteString("</sup>&frasl;<sub>")
-			out.Write(text[denStart:denEnd])
-			out.WriteString("</sub>")
-			return denEnd - 1
-		}
-	}
-
-	out.WriteByte(text[0])
-	return 0
-}
-
-func (r *SPRenderer) smartNumber(out *bytes.Buffer, previousChar byte, text []byte) int {
-	if wordBoundary(previousChar) && previousChar != '/' && len(text) >= 3 {
-		if text[0] == '1' && text[1] == '/' && text[2] == '2' {
-			if len(text) < 4 || wordBoundary(text[3]) && text[3] != '/' {
-				out.WriteString("&frac12;")
-				return 2
-			}
-		}
-
-		if text[0] == '1' && text[1] == '/' && text[2] == '4' {
-			if len(text) < 4 || wordBoundary(text[3]) && text[3] != '/' || (len(text) >= 5 && tolower(text[3]) == 't' && tolower(text[4]) == 'h') {
-				out.WriteString("&frac14;")
-				return 2
-			}
-		}
-
-		if text[0] == '3' && text[1] == '/' && text[2] == '4' {
-			if len(text) < 4 || wordBoundary(text[3]) && text[3] != '/' || (len(text) >= 6 && tolower(text[3]) == 't' && tolower(text[4]) == 'h' && tolower(text[5]) == 's') {
-				out.WriteString("&frac34;")
-				return 2
-			}
-		}
-	}
-
-	out.WriteByte(text[0])
-	return 0
-}
-
-func (r *SPRenderer) smartDoubleQuoteVariant(out *bytes.Buffer, previousChar byte, text []byte, quote byte) int {
-	nextChar := byte(0)
-	if len(text) > 1 {
-		nextChar = text[1]
-	}
-	if !smartQuoteHelper(out, previousChar, nextChar, quote, &r.inDoubleQuote, false) {
-		out.WriteString("&quot;")
-	}
-
-	return 0
-}
-
-func (r *SPRenderer) smartDoubleQuote(out *bytes.Buffer, previousChar byte, text []byte) int {
-	return r.smartDoubleQuoteVariant(out, previousChar, text, 'd')
-}
-
-func (r *SPRenderer) smartAngledDoubleQuote(out *bytes.Buffer, previousChar byte, text []byte) int {
-	return r.smartDoubleQuoteVariant(out, previousChar, text, 'a')
-}
-
-func (r *SPRenderer) smartLeftAngle(out *bytes.Buffer, previousChar byte, text []byte) int {
-	i := 0
-
-	for i < len(text) && text[i] != '>' {
-		i++
-	}
-
-	out.Write(text[:i+1])
-	return i
-}
-
-type smartCallback func(out *bytes.Buffer, previousChar byte, text []byte) int
-
-// NewSmartypantsRenderer constructs a Smartypants renderer object.
-func NewSmartypantsRenderer(flags HTMLFlags) *SPRenderer {
-	var (
-		r SPRenderer
-
-		smartAmpAngled      = r.smartAmp(true, false)
-		smartAmpAngledNBSP  = r.smartAmp(true, true)
-		smartAmpRegular     = r.smartAmp(false, false)
-		smartAmpRegularNBSP = r.smartAmp(false, true)
-
-		addNBSP = flags&SmartypantsQuotesNBSP != 0
-	)
-
-	if flags&SmartypantsAngledQuotes == 0 {
-		r.callbacks['"'] = r.smartDoubleQuote
-		if !addNBSP {
-			r.callbacks['&'] = smartAmpRegular
-		} else {
-			r.callbacks['&'] = smartAmpRegularNBSP
-		}
-	} else {
-		r.callbacks['"'] = r.smartAngledDoubleQuote
-		if !addNBSP {
-			r.callbacks['&'] = smartAmpAngled
-		} else {
-			r.callbacks['&'] = smartAmpAngledNBSP
-		}
-	}
-	r.callbacks['\''] = r.smartSingleQuote
-	r.callbacks['('] = r.smartParens
-	if flags&SmartypantsDashes != 0 {
-		if flags&SmartypantsLatexDashes == 0 {
-			r.callbacks['-'] = r.smartDash
-		} else {
-			r.callbacks['-'] = r.smartDashLatex
-		}
-	}
-	r.callbacks['.'] = r.smartPeriod
-	if flags&SmartypantsFractions == 0 {
-		r.callbacks['1'] = r.smartNumber
-		r.callbacks['3'] = r.smartNumber
-	} else {
-		for ch := '1'; ch <= '9'; ch++ {
-			r.callbacks[ch] = r.smartNumberGeneric
-		}
-	}
-	r.callbacks['<'] = r.smartLeftAngle
-	r.callbacks['`'] = r.smartBacktick
-	return &r
-}
-
-// Process is the entry point of the Smartypants renderer.
-func (r *SPRenderer) Process(w io.Writer, text []byte) {
-	mark := 0
-	for i := 0; i < len(text); i++ {
-		if action := r.callbacks[text[i]]; action != nil {
-			if i > mark {
-				w.Write(text[mark:i])
-			}
-			previousChar := byte(0)
-			if i > 0 {
-				previousChar = text[i-1]
-			}
-			var tmp bytes.Buffer
-			i += action(&tmp, previousChar, text[i:])
-			w.Write(tmp.Bytes())
-			mark = i + 1
-		}
-	}
-	if mark < len(text) {
-		w.Write(text[mark:])
-	}
-}