forked from mirrors/gitea
parent
750d82b8e2
commit
ab6b288141
@ -15,10 +15,9 @@ import (
|
||||
"strings"
|
||||
|
||||
"github.com/russross/blackfriday"
|
||||
"golang.org/x/net/html"
|
||||
|
||||
"github.com/gogits/gogs/modules/setting"
|
||||
|
||||
"golang.org/x/net/html"
|
||||
)
|
||||
|
||||
func isletter(c byte) bool {
|
||||
@ -109,40 +108,22 @@ func (options *CustomRender) Image(out *bytes.Buffer, link []byte, title []byte,
|
||||
}
|
||||
|
||||
var (
|
||||
MentionPattern = regexp.MustCompile(`(\s|^)@[0-9a-zA-Z_]+`)
|
||||
MentionPattern = regexp.MustCompile(`(\s|^)@[0-9a-zA-Z_\.]+`)
|
||||
commitPattern = regexp.MustCompile(`(\s|^)https?.*commit/[0-9a-zA-Z]+(#+[0-9a-zA-Z-]*)?`)
|
||||
issueFullPattern = regexp.MustCompile(`(\s|^)https?.*issues/[0-9]+(#+[0-9a-zA-Z-]*)?`)
|
||||
issueIndexPattern = regexp.MustCompile(`( |^)#[0-9]+`)
|
||||
issueIndexPattern = regexp.MustCompile(`( |^)#[0-9]+\b`)
|
||||
sha1CurrentPattern = regexp.MustCompile(`\b[0-9a-f]{40}\b`)
|
||||
)
|
||||
|
||||
func RenderSpecialLink(rawBytes []byte, urlPrefix string) []byte {
|
||||
buf := bytes.NewBufferString("")
|
||||
inCodeBlock := false
|
||||
codeBlockPrefix := []byte("```")
|
||||
lineBreak := []byte("\n")
|
||||
tab := []byte("\t")
|
||||
lines := bytes.Split(rawBytes, lineBreak)
|
||||
for _, line := range lines {
|
||||
if bytes.HasPrefix(line, codeBlockPrefix) {
|
||||
inCodeBlock = !inCodeBlock
|
||||
}
|
||||
|
||||
if !inCodeBlock && !bytes.HasPrefix(line, tab) {
|
||||
ms := MentionPattern.FindAll(line, -1)
|
||||
for _, m := range ms {
|
||||
m = bytes.TrimSpace(m)
|
||||
line = bytes.Replace(line, m,
|
||||
[]byte(fmt.Sprintf(`<a href="%s/%s">%s</a>`, setting.AppSubUrl, m[1:], m)), -1)
|
||||
}
|
||||
}
|
||||
|
||||
buf.Write(line)
|
||||
buf.Write(lineBreak)
|
||||
ms := MentionPattern.FindAll(rawBytes, -1)
|
||||
for _, m := range ms {
|
||||
m = bytes.TrimSpace(m)
|
||||
rawBytes = bytes.Replace(rawBytes, m,
|
||||
[]byte(fmt.Sprintf(`<a href="%s/%s">%s</a>`, setting.AppSubUrl, m[1:], m)), -1)
|
||||
}
|
||||
|
||||
rawBytes = buf.Bytes()
|
||||
ms := commitPattern.FindAll(rawBytes, -1)
|
||||
ms = commitPattern.FindAll(rawBytes, -1)
|
||||
for _, m := range ms {
|
||||
m = bytes.TrimSpace(m)
|
||||
i := strings.Index(string(m), "commit/")
|
||||
@ -181,8 +162,14 @@ func RenderSha1CurrentPattern(rawBytes []byte, urlPrefix string) []byte {
|
||||
func RenderIssueIndexPattern(rawBytes []byte, urlPrefix string) []byte {
|
||||
ms := issueIndexPattern.FindAll(rawBytes, -1)
|
||||
for _, m := range ms {
|
||||
rawBytes = bytes.Replace(rawBytes, m, []byte(fmt.Sprintf(`<a href="%s/issues/%s">%s</a>`,
|
||||
urlPrefix, strings.TrimPrefix(string(m[1:]), "#"), m)), -1)
|
||||
var space string
|
||||
m2 := m
|
||||
if m2[0] == ' ' {
|
||||
space = " "
|
||||
m2 = m2[1:]
|
||||
}
|
||||
rawBytes = bytes.Replace(rawBytes, m, []byte(fmt.Sprintf(`%s<a href="%s/issues/%s">%s</a>`,
|
||||
space, urlPrefix, m2[1:], m2)), 1)
|
||||
}
|
||||
return rawBytes
|
||||
}
|
||||
@ -219,6 +206,47 @@ func RenderRawMarkdown(body []byte, urlPrefix string) []byte {
|
||||
return body
|
||||
}
|
||||
|
||||
// PostProcessMarkdown treats different types of HTML differently,
|
||||
// and only renders special links for plain text blocks.
|
||||
func PostProcessMarkdown(rawHtml []byte, urlPrefix string) []byte {
|
||||
var buf bytes.Buffer
|
||||
tokenizer := html.NewTokenizer(bytes.NewReader(rawHtml))
|
||||
for html.ErrorToken != tokenizer.Next() {
|
||||
token := tokenizer.Token()
|
||||
switch token.Type {
|
||||
case html.TextToken:
|
||||
buf.Write(RenderSpecialLink([]byte(token.String()), urlPrefix))
|
||||
|
||||
case html.StartTagToken:
|
||||
buf.WriteString(token.String())
|
||||
tagName := token.Data
|
||||
// If this is an excluded tag, we skip processing all output until a close tag is encountered.
|
||||
if strings.EqualFold("a", tagName) || strings.EqualFold("code", tagName) || strings.EqualFold("pre", tagName) {
|
||||
for html.ErrorToken != tokenizer.Next() {
|
||||
token = tokenizer.Token()
|
||||
// Copy the token to the output verbatim
|
||||
buf.WriteString(token.String())
|
||||
// If this is the close tag, we are done
|
||||
if html.EndTagToken == token.Type && strings.EqualFold(tagName, token.Data) {
|
||||
break
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
default:
|
||||
buf.WriteString(token.String())
|
||||
}
|
||||
}
|
||||
|
||||
if io.EOF == tokenizer.Err() {
|
||||
return buf.Bytes()
|
||||
}
|
||||
|
||||
// If we are not at the end of the input, then some other parsing error has occurred,
|
||||
// so return the input verbatim.
|
||||
return rawHtml
|
||||
}
|
||||
|
||||
func RenderMarkdown(rawBytes []byte, urlPrefix string) []byte {
|
||||
result := RenderRawMarkdown(rawBytes, urlPrefix)
|
||||
result = PostProcessMarkdown(result, urlPrefix)
|
||||
@ -229,44 +257,3 @@ func RenderMarkdown(rawBytes []byte, urlPrefix string) []byte {
|
||||
func RenderMarkdownString(raw, urlPrefix string) string {
|
||||
return string(RenderMarkdown([]byte(raw), urlPrefix))
|
||||
}
|
||||
|
||||
func PostProcessMarkdown(rawHtml []byte, urlPrefix string) []byte {
|
||||
var buf bytes.Buffer
|
||||
tokenizer := html.NewTokenizer(bytes.NewReader(rawHtml))
|
||||
for html.ErrorToken != tokenizer.Next() {
|
||||
token := tokenizer.Token()
|
||||
switch token.Type {
|
||||
case html.TextToken:
|
||||
text := []byte(token.String())
|
||||
text = RenderSpecialLink(text, urlPrefix)
|
||||
|
||||
buf.Write(text)
|
||||
|
||||
case html.StartTagToken:
|
||||
buf.WriteString(token.String())
|
||||
|
||||
tagName := token.Data
|
||||
// If this is an excluded tag, we skip processing all output until a close tag is encountered
|
||||
if strings.EqualFold("a", tagName) || strings.EqualFold("code", tagName) || strings.EqualFold("pre", tagName) {
|
||||
for html.ErrorToken != tokenizer.Next() {
|
||||
token = tokenizer.Token()
|
||||
// Copy the token to the output verbatim
|
||||
buf.WriteString(token.String())
|
||||
// If this is the close tag, we are done
|
||||
if html.EndTagToken == token.Type && strings.EqualFold(tagName, token.Data) { break }
|
||||
}
|
||||
}
|
||||
|
||||
default:
|
||||
buf.WriteString(token.String())
|
||||
}
|
||||
}
|
||||
|
||||
if io.EOF == tokenizer.Err() {
|
||||
return buf.Bytes()
|
||||
}
|
||||
|
||||
// If we are not at the end of the input, then some other parsing error has occurred, so return
|
||||
// the input verbatim.
|
||||
return rawHtml
|
||||
}
|
||||
|
Loading…
Reference in New Issue
Block a user