// ** This class was generated with DemFGen (vers:06/04/2009)

options{ STATIC = false;  }
PARSER_BEGIN(TheParser)
package http.gen;

import edu.neu.ccs.demeterf.demfgen.lib.*;
import edu.neu.ccs.demeterf.control.Fields;
import edu.neu.ccs.demeterf.demfgen.lib.ident;
import edu.neu.ccs.demeterf.demfgen.lib.verbatim;

  class TheParser{

    static char unescapeChar(String s){
        s = s.substring(1,s.length()-1);        char c = s.charAt(0);
        if (c == '\\'){
            switch (s.charAt(1)) {
            case 'n': return '\n';  case 't': return '\t';
            case 'b': return '\b';  case 'r': return '\r';
            case 'f': return '\f';  case '\\': return '\\';
            case '\'': return '\''; case '\"': return '\"';
            default: return (char)Integer.parseInt(s.substring(1, s.length()), 8);
            }
        }
        return c;
    }
  }
PARSER_END(TheParser)

byte parse_byte():{ int i; }{
    i = parse_int() { return (byte)i; }
}
Byte parse_Byte():{ byte b; }{
    b = parse_byte() { return b; }
}
short parse_short():{ int i; }{
    i = parse_int() { return (short)i; }
}
Short parse_Short():{ short s; }{
    s = parse_short() { return s; }
}
int parse_int():{ Token t; }{
    t = <INT>
    { return Integer.parseInt(t.image); }
}
Integer parse_Integer():{ int i; }{
    i = parse_int() { return i; }
}
long parse_long():{ Token t; }{
    t = <INT>
    { return Long.parseLong(t.image); }
}
Long parse_Long():{ long l; }{
    l = parse_long() { return l; }
}
double parse_double():{ Token t; }{
    t = <DOUBLE>
    { return Double.parseDouble(t.image); }
}
Double parse_Double():{ double d; }{
    d = parse_double() { return d; }
}
float parse_float():{ Token t; }{
    t = <DOUBLE>
    { return Float.parseFloat(t.image); }
}
Float parse_Float():{ float f; }{
    f = parse_float() { return f; }
}
String parse_String():{ Token t; }{
    t = <STRING>
    { return t.image.substring(1,t.image.length()-1); }
}
boolean parse_boolean():{ Token t; }{
    t = <TRUE> { return true; } |
    t = <FALSE> { return false; }
}
Boolean parse_Boolean():{ boolean b; }{
    b = parse_boolean() { return b; }
}
char parse_char():{ Token t; }{
    t = <CHAR>
    { return unescapeChar(t.image); }
}
Character parse_Character():{ char c; }{
    c = parse_char() { return c; }
}
ident parse_ident():{ Token t; }{
    t = <IDENT>
    { return new ident(t.image); }
}
verbatim parse_verbatim():{ Token t; }{
    t = <TEXT>
    { return new verbatim(t.image.substring(2,t.image.length()-2)); }
}


public HTTPHead parse_HTTPHead():{
    HTTPHead sup = null;
}{
(   sup = parse_GetReq() { return sup; } | 
    sup = parse_PostReq() { return sup; } | 
    sup = parse_HeadReq() { return sup; } )
}

public GetReq parse_GetReq():{
     URL url;
     HTTPVer ver;
}{
    "GET"
    url = parse_URL()
    ver = parse_HTTPVer()
    { return new GetReq(url,ver); }
}

public PostReq parse_PostReq():{
     URL url;
     HTTPVer ver;
}{
    "POST"
    url = parse_URL()
    ver = parse_HTTPVer()
    { return new PostReq(url,ver); }
}

public HeadReq parse_HeadReq():{
     URL url;
     HTTPVer ver;
}{
    "HEAD"
    url = parse_URL()
    ver = parse_HTTPVer()
    { return new HeadReq(url,ver); }
}

public URL parse_URL():{
    URL sup = null;
}{
(   sup = parse_BaseURL() { return sup; } | 
    sup = parse_MidURL() { return sup; } | 
    sup = parse_NoURL() { return sup; } )
}

public BaseURL parse_BaseURL():{
     URL rest;
}{
    "/"
    rest = parse_URL()
    { return new BaseURL(rest); }
}

public MidURL parse_MidURL():{
     ident id;
     URL rest;
}{
    id = parse_ident()
    rest = parse_URL()
    { return new MidURL(id,rest); }
}

public NoURL parse_NoURL():{
}{

    { return new NoURL(); }
}

public HTTPVer parse_HTTPVer():{
     double ver;
}{
    "HTTP/"
    ver = parse_double()
    { return new HTTPVer(ver); }
}

public MsgHead parse_MsgHead():{
     ident key;
     ident value;
}{
    key = parse_ident()
    ":"
    value = parse_ident()
    { return new MsgHead(key,value); }
}

public ReqHandler parse_ReqHandler():{
}{

    { return new ReqHandler(); }
}



SKIP : { " " | "\t" | "\n" | "\r" | "\r\n" }
SKIP : { <"//" (~["\n","\r"])* ("\n"|"\r\n")> }
SKIP : { <"/*" (~["*"])* "*" (~["/"] (~["*"])* "*")* "/">}
TOKEN: { < INT : ("+" | "-")?(["0"-"9"])+ > }
TOKEN: { < STRING : "\"" (~["\""])* "\"" > }
TOKEN: { < TRUE : "true" > }
TOKEN: { < FALSE : "false" > }
TOKEN: { < DOUBLE : ("-")?(["0"-"9"])+ "." (["0"-"9"])+ | "." (["0"-"9"])+ > }
// Updated for URL Strings
TOKEN: { < IDENT : ["a"-"z","A"-"Z","$","_"]
                   ([",","?","=","&","%","-",".","a"-"z","A"-"Z","0"-"9","_","$"])* > }
TOKEN: { < TEXT : ( "{{" (~["}"])* ( "}" ~["}"] (~["}"])* )* "}}" ) > }
TOKEN: { < CHAR: "\'" 
              ( (~["\'","\\","\n","\r"]) | 
                ("\\" ( ["n","t","b","r","f","\\","\'","\""] |
                            ["0"-"7"] ( ["0"-"7"] )? |
                            ["0"-"3"] ["0"-"7"] ["0"-"7"] ) ) )
              "\'" > }