5ef65be135
Added the strikethrough BBCode. Redid the Round 4 Benchmark. The regular expression parser now works properly. The underline Regex was missing, thus it was finishing faster than it should have.
113 lines
3.2 KiB
Go
113 lines
3.2 KiB
Go
package main
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import "regexp"
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var bbcode_bold *regexp.Regexp
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var bbcode_italic *regexp.Regexp
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var bbcode_underline *regexp.Regexp
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var bbcode_strikethrough *regexp.Regexp
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var bbcode_url *regexp.Regexp
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var bbcode_url_label *regexp.Regexp
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func init() {
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plugins["bbcode"] = NewPlugin("bbcode","BBCode","Azareal","http://github.com/Azareal","","","",init_bbcode,nil,deactivate_bbcode)
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}
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func init_bbcode() {
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plugins["bbcode"].AddHook("parse_assign", bbcode_parse2)
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bbcode_bold = regexp.MustCompile(`(?s)\[b\](.*)\[/b\]`)
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bbcode_italic = regexp.MustCompile(`(?s)\[i\](.*)\[/i\]`)
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bbcode_underline = regexp.MustCompile(`(?s)\[u\](.*)\[/u\]`)
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bbcode_strikethrough = regexp.MustCompile(`(?s)\[s\](.*)\[/s\]`)
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urlpattern := `(http|https|ftp|mailto*)(:??)\/\/([\.a-zA-Z\/]+)`
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bbcode_url = regexp.MustCompile(`\[url\]` + urlpattern + `\[/url\]`)
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bbcode_url_label = regexp.MustCompile(`(?s)\[url=` + urlpattern + `\](.*)\[/url\]`)
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}
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func deactivate_bbcode() {
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plugins["bbcode"].RemoveHook("parse_assign", bbcode_parse2)
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}
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func bbcode_parse(data interface{}) interface{} {
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msg := data.(string)
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msg = bbcode_bold.ReplaceAllString(msg,"<b>$1</b>")
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msg = bbcode_italic.ReplaceAllString(msg,"<i>$1</i>")
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msg = bbcode_underline.ReplaceAllString(msg,"<u>$1</u>")
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msg = bbcode_strikethrough.ReplaceAllString(msg,"<s>$1</s>")
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msg = bbcode_url.ReplaceAllString(msg,"<a href=\"$1$2//$3\" rel=\"nofollow\">$1$2//$3</i>")
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msg = bbcode_url_label.ReplaceAllString(msg,"<a href=\"$1$2//$3\" rel=\"nofollow\">$4</i>")
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return msg
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}
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func bbcode_parse2(data interface{}) interface{} {
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msg := data.(string)
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msgbytes := []byte(msg)
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has_u := false
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has_b := false
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has_i := false
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has_s := false
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complex_bbc := false
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for i := 0; i < len(msgbytes); i++ {
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if msgbytes[i] == '[' {
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if msgbytes[i + 2] != ']' {
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if msgbytes[i + 1] == '/' {
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if msgbytes[i + 3] == ']' {
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if msgbytes[i + 2] == 'b' {
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msgbytes[i] = '<'
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msgbytes[i + 3] = '>'
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has_b = false
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} else if msgbytes[i + 2] == 'i' {
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msgbytes[i] = '<'
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msgbytes[i + 3] = '>'
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has_i = false
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} else if msgbytes[i + 2] == 'u' {
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msgbytes[i] = '<'
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msgbytes[i + 3] = '>'
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has_u = false
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} else if msgbytes[i + 2] == 's' {
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msgbytes[i] = '<'
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msgbytes[i + 3] = '>'
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has_s = false
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}
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i += 3
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} else {
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complex_bbc = true
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}
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} else {
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complex_bbc = true
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}
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} else {
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if msgbytes[i + 1] == 'b' {
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msgbytes[i] = '<'
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msgbytes[i + 2] = '>'
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has_b = true
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} else if msgbytes[i + 1] == 'i' {
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msgbytes[i] = '<'
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msgbytes[i + 2] = '>'
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has_i = true
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} else if msgbytes[i + 1] == 'u' {
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msgbytes[i] = '<'
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msgbytes[i + 2] = '>'
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has_u = true
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} else if msgbytes[i + 1] == 's' {
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msgbytes[i] = '<'
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msgbytes[i + 2] = '>'
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has_s = true
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}
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i += 2
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}
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}
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}
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// There's an unclosed tag in there x.x
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if has_i || has_u || has_b || has_s {
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closer := []byte("</u></i></b></s>")
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msgbytes = append(msgbytes, closer...)
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}
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msg = string(msgbytes)
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if complex_bbc {
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msg = bbcode_url.ReplaceAllString(msg,"<a href=\"$1$2//$3\" rel=\"nofollow\">$1$2//$3</i>")
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msg = bbcode_url_label.ReplaceAllString(msg,"<a href=\"$1$2//$3\" rel=\"nofollow\">$4</i>")
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}
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return msg
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} |