Class: PlainWiki::Parser

Inherits:
Object
  • Object
show all
Defined in:
lib/parser.rb

Class Method Summary collapse

Class Method Details

.parse(wikitext) ⇒ Object



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# File 'lib/parser.rb', line 3

def self.parse wikitext
    ps = "detect"
    out = ""
    helper = ""
    linkhelper = ""
    toparse = ""
    linktext = false
    intlinkpiped = false
    speciallev = 0
    wikitext.each_char do |c|
        case ps
        when "detect"
            if c == "'"
                next
            elsif c == "<"
                ps = "markup"
            elsif c == "["
                ps = "link"
            elsif c == "]"
                next
            elsif c == "{"
                ps = "tabledetect"
            else
                out += c
            end
        when "markup"
            if c == ">"
                if helper == "strike"
                    ps = "strike"
                elsif helper == "nowiki/" || helper == "nowiki /"
                    ps = "detect"
                elsif helper == "nowiki"
                    ps = "nowiki"
                elsif helper == "ins" || helper == "u"
                    ps = "underline"
                elsif helper == "s" || helper == "del"
                    ps = "strike"
                elsif helper == "code" || helper == "tt" || helper == "pre"
                    ps = "nowiki"
                elsif helper == "blockquote"
                    ps = "blockquote"
                elsif helper == "br" || helper == "br /"
                    out += "/n"
                    ps = "detect"
                elsif helper.include?("!--")
                    ps = "detect"
                elsif helper.match(/ref .*\//) != nil
                    ps = "detect"
                elsif helper.match(/ref .*/) != nil || helper == "ref"
                    ps = "ref"
                else
                    ps = "detect"
                end
                helper = ""
            else
                helper += c
            end
        when "strike"
            if c == "<"
                ps = "strikeend"
            else
                toparse += c
            end
        when "strikeend"
            if c == ">"
                if helper == "/strike" || helper == "/s" || helper == "/del"
                    out += self.parse(toparse)
                    toparse = ""
                    helper = ""
                    ps = "detect"
                else
                    toparse += "<"
                    toparse += helper
                    toparse += ">"
                    ps = "strike"
                end
                helper = ""
            else
                helper += c
            end
        when "underline"
            if c == "<"
                ps = "underlineend"
            else
                toparse += c
            end
        when "underlineend"
            if c == ">"
                if helper == "/u" || helper == "/ins"
                    out += self.parse(toparse)
                    toparse = ""
                    helper = ""
                    ps = "detect"
                else
                    toparse += "<"
                    toparse += helper
                    toparse += ">"
                    ps = "strike"
                end
                helper = ""
            else
                helper += c
            end
        when "nowiki"
            if c == "<"
                ps = "nowikiend"
            else
                out += c
            end
        when "nowikiend"
            if c == ">"
                if helper == "/nowiki" || helper == "/code" || helper == "/tt" || helper == "/pre"
                    helper = ""
                    ps = "detect"
                else
                    out += "<"
                    out += helper
                    out += ">"
                    ps = "nowiki"
                end
                helper = ""
            else
                helper += c
            end
        when "ref"
            if c == "<"
                ps = "refend"
            end
        when "refend"
            if c == ">"
                if helper == "/ref"
                    helper = ""
                    ps = "detect"
                else
                    helper = ""
                    ps = "ref"
                end
            else
                helper += c
            end
        when "link"
            if c == "["
                ps = "intlink"
            elsif c == "]"
                linktext = false
                out += linkhelper
                out += " "
                out += helper
                linkhelper = ""
                helper = ""
                ps = "detect"
            elsif c == " " && !linktext
                linktext = true
            else
                if !linktext
                    linkhelper += c
                else
                    helper += c
                end
            end
        when "intlink"
            if c == "]"
                ps = "intlinkend"
            elsif c == "|"
                intlinkpiped = true
            else
                if !intlinkpiped
                    linkhelper += c
                else
                    helper += c
                end
            end
        when "intlinkend"
            if c == "]"
                if !["Kategoria", "Category", "Plik", "File"].include?(linkhelper.split(":").first)
                    if intlinkpiped
                        if helper == ""
                            hout = ""
                            helper.split(":").last.split(" ").each do |s|
                                if s.match(/\(.*\)/) == nil
                                    hout += " "
                                    hout += s
                                else
                                    next
                                end
                            end
                            hout.strip!
                            out += hout
                        else
                            out += helper
                        end
                    else
                        out += linkhelper
                    end
                end
                linkhelper = ""
                helper = ""
                intlinkpiped = false
                ps = "detect"
            else
                if !intlinkpiped
                    linkhelper += "]"
                    linkhelper += c
                else
                    helper += "]"
                    helper += c
                end
            end
        when "tabledetect"
            if c == "|"
                ps = "table"
            elsif c == "{"
                ps = "special"
                speciallev += 1
            end
        when "table"
            ps = "special"
            speciallev += 1
        when "special"
            if c == "}" || c == "|"
                ps = "specialend"
            elsif c == "{"
                ps = "tabledetect"
            end
        when "specialend"
            if c == "}"
                speciallev -= 1
                if speciallev == 0
                    ps = "detect"
                else
                    ps = "special"
                end
            else
                ps = "special"
            end
        else
            ps = "detect"
        end
    end
    out.strip
end