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Update blackfriday dependency per #2994 (#3857)

Signed-off-by: PJ Eby <pje@telecommunity.com>
This commit is contained in:
PJ Eby 2018-04-29 01:07:36 -04:00 committed by Lunny Xiao
parent 76106ab080
commit fc36567ee1
9 changed files with 292 additions and 110 deletions

View file

@ -39,7 +39,7 @@ func isdigit(c byte) bool {
return c >= '0' && c <= '9'
}
func smartQuoteHelper(out *bytes.Buffer, previousChar byte, nextChar byte, quote byte, isOpen *bool) bool {
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
@ -96,6 +96,12 @@ func smartQuoteHelper(out *bytes.Buffer, previousChar byte, nextChar byte, quote
*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')
@ -104,6 +110,11 @@ func smartQuoteHelper(out *bytes.Buffer, previousChar byte, nextChar byte, quote
}
out.WriteByte(quote)
out.WriteString("quo;")
if addNBSP && *isOpen {
out.WriteString("&nbsp;")
}
return true
}
@ -116,7 +127,7 @@ func smartSingleQuote(out *bytes.Buffer, smrt *smartypantsData, previousChar byt
if len(text) >= 3 {
nextChar = text[2]
}
if smartQuoteHelper(out, previousChar, nextChar, 'd', &smrt.inDoubleQuote) {
if smartQuoteHelper(out, previousChar, nextChar, 'd', &smrt.inDoubleQuote, false) {
return 1
}
}
@ -141,7 +152,7 @@ func smartSingleQuote(out *bytes.Buffer, smrt *smartypantsData, previousChar byt
if len(text) > 1 {
nextChar = text[1]
}
if smartQuoteHelper(out, previousChar, nextChar, 's', &smrt.inSingleQuote) {
if smartQuoteHelper(out, previousChar, nextChar, 's', &smrt.inSingleQuote, false) {
return 0
}
@ -205,13 +216,13 @@ func smartDashLatex(out *bytes.Buffer, smrt *smartypantsData, previousChar byte,
return 0
}
func smartAmpVariant(out *bytes.Buffer, smrt *smartypantsData, previousChar byte, text []byte, quote byte) int {
func smartAmpVariant(out *bytes.Buffer, smrt *smartypantsData, 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, &smrt.inDoubleQuote) {
if smartQuoteHelper(out, previousChar, nextChar, quote, &smrt.inDoubleQuote, addNBSP) {
return 5
}
}
@ -224,12 +235,15 @@ func smartAmpVariant(out *bytes.Buffer, smrt *smartypantsData, previousChar byte
return 0
}
func smartAmp(out *bytes.Buffer, smrt *smartypantsData, previousChar byte, text []byte) int {
return smartAmpVariant(out, smrt, previousChar, text, 'd')
}
func smartAmp(angledQuotes, addNBSP bool) func(out *bytes.Buffer, smrt *smartypantsData, previousChar byte, text []byte) int {
var quote byte = 'd'
if angledQuotes {
quote = 'a'
}
func smartAmpAngledQuote(out *bytes.Buffer, smrt *smartypantsData, previousChar byte, text []byte) int {
return smartAmpVariant(out, smrt, previousChar, text, 'a')
return func(out *bytes.Buffer, smrt *smartypantsData, previousChar byte, text []byte) int {
return smartAmpVariant(out, smrt, previousChar, text, quote, addNBSP)
}
}
func smartPeriod(out *bytes.Buffer, smrt *smartypantsData, previousChar byte, text []byte) int {
@ -253,7 +267,7 @@ func smartBacktick(out *bytes.Buffer, smrt *smartypantsData, previousChar byte,
if len(text) >= 3 {
nextChar = text[2]
}
if smartQuoteHelper(out, previousChar, nextChar, 'd', &smrt.inDoubleQuote) {
if smartQuoteHelper(out, previousChar, nextChar, 'd', &smrt.inDoubleQuote, false) {
return 1
}
}
@ -337,7 +351,7 @@ func smartDoubleQuoteVariant(out *bytes.Buffer, smrt *smartypantsData, previousC
if len(text) > 1 {
nextChar = text[1]
}
if !smartQuoteHelper(out, previousChar, nextChar, quote, &smrt.inDoubleQuote) {
if !smartQuoteHelper(out, previousChar, nextChar, quote, &smrt.inDoubleQuote, false) {
out.WriteString("&quot;")
}
@ -367,14 +381,30 @@ type smartCallback func(out *bytes.Buffer, smrt *smartypantsData, previousChar b
type smartypantsRenderer [256]smartCallback
var (
smartAmpAngled = smartAmp(true, false)
smartAmpAngledNBSP = smartAmp(true, true)
smartAmpRegular = smartAmp(false, false)
smartAmpRegularNBSP = smartAmp(false, true)
)
func smartypants(flags int) *smartypantsRenderer {
r := new(smartypantsRenderer)
addNBSP := flags&HTML_SMARTYPANTS_QUOTES_NBSP != 0
if flags&HTML_SMARTYPANTS_ANGLED_QUOTES == 0 {
r['"'] = smartDoubleQuote
r['&'] = smartAmp
if !addNBSP {
r['&'] = smartAmpRegular
} else {
r['&'] = smartAmpRegularNBSP
}
} else {
r['"'] = smartAngledDoubleQuote
r['&'] = smartAmpAngledQuote
if !addNBSP {
r['&'] = smartAmpAngled
} else {
r['&'] = smartAmpAngledNBSP
}
}
r['\''] = smartSingleQuote
r['('] = smartParens