source: contrib/MailArchiver/sources/vendor/mime4j/apache-mime4j-0.7-SNAPSHOT-20110327.010440-17/dom/src/main/jjtree/org/apache/james/mime4j/field/address/AddressListParser.jjt @ 6785

/****************************************************************
 * Licensed to the Apache Software Foundation (ASF) under one   *
 * or more contributor license agreements.  See the NOTICE file *
 * distributed with this work for additional information        *
 * regarding copyright ownership.  The ASF licenses this file   *
 * to you under the Apache License, Version 2.0 (the            *
 * "License"); you may not use this file except in compliance   *
 * with the License.  You may obtain a copy of the License at   *
 *                                                              *
 *   http://www.apache.org/licenses/LICENSE-2.0                 *
 *                                                              *
 * Unless required by applicable law or agreed to in writing,   *
 * software distributed under the License is distributed on an  *
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY       *
 * KIND, either express or implied.  See the License for the    *
 * specific language governing permissions and limitations      *
 * under the License.                                           *
 ****************************************************************/


/**
 * RFC2822 address list parser.
 *
 * Created 9/17/2004
 * by Joe Cheng <code@joecheng.com>
 */

options {
        STATIC=false;
        LOOKAHEAD=1;
        JDK_VERSION = "1.5";
        VISITOR=true;
        MULTI=true;
        NODE_SCOPE_HOOK=true;
        NODE_EXTENDS="org.apache.james.mime4j.field.address.BaseNode"; 
        //DEBUG_PARSER=true;
        //DEBUG_TOKEN_MANAGER=true;
}

PARSER_BEGIN(AddressListParser)
/****************************************************************
 * Licensed to the Apache Software Foundation (ASF) under one   *
 * or more contributor license agreements.  See the NOTICE file *
 * distributed with this work for additional information        *
 * regarding copyright ownership.  The ASF licenses this file   *
 * to you under the Apache License, Version 2.0 (the            *
 * "License"); you may not use this file except in compliance   *
 * with the License.  You may obtain a copy of the License at   *
 *                                                              *
 *   http://www.apache.org/licenses/LICENSE-2.0                 *
 *                                                              *
 * Unless required by applicable law or agreed to in writing,   *
 * software distributed under the License is distributed on an  *
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY       *
 * KIND, either express or implied.  See the License for the    *
 * specific language governing permissions and limitations      *
 * under the License.                                           *
 ****************************************************************/
package org.apache.james.mime4j.field.address;

public class AddressListParser {
    public static void main(String args[]) throws ParseException {
        while (true) {
            try {
                AddressListParser parser = new AddressListParser(System.in);
                parser.parseLine();
                ((SimpleNode) parser.jjtree.rootNode()).dump("> ");
            } catch (Exception x) {
                x.printStackTrace();
                return;
            }
        }
    }

    public ASTaddress_list parseAddressList() throws ParseException {
        try {
            parseAddressList0();
            return (ASTaddress_list) jjtree.rootNode();
        } catch (TokenMgrError tme) {
            throw new ParseException(tme.getMessage());
        }
    }

    public ASTaddress parseAddress() throws ParseException {
        try {
            parseAddress0();
            return (ASTaddress) jjtree.rootNode();
        } catch (TokenMgrError tme) {
            throw new ParseException(tme.getMessage());
        }
    }

    public ASTmailbox parseMailbox() throws ParseException {
        try {
            parseMailbox0();
            return (ASTmailbox) jjtree.rootNode();
        } catch (TokenMgrError tme) {
            throw new ParseException(tme.getMessage());
        }
    }

    void jjtreeOpenNodeScope(Node n) {
        ((SimpleNode) n).firstToken = getToken(1);
    }

    void jjtreeCloseNodeScope(Node n) {
        ((SimpleNode) n).lastToken = getToken(0);
    }
}

PARSER_END(AddressListParser)

void parseLine() #void :
{}
{
        address_list() ["\r"] "\n"
}

void parseAddressList0() #void :
{}
{
        address_list() <EOF>
}

void parseAddress0() #void :
{}
{
        address() <EOF>
}

void parseMailbox0() #void :
{}
{
        mailbox() <EOF>
}

void address_list() :
{}
{
        [ address() ]
        (
                ","
                [ address() ]
        )*
}

void address() :
{}
{
        LOOKAHEAD(2147483647)
        addr_spec()
|       angle_addr()
|       ( phrase() (group_body() | angle_addr()) )
}

void mailbox() :
{}
{
        LOOKAHEAD(2147483647)
        addr_spec()
|       angle_addr()
|       name_addr()
}

void name_addr() :
{}
{
        phrase() angle_addr()
}

void group_body() :
{}
{
        ":"
        [ mailbox() ]
        (
                ","
                [ mailbox() ]
        )*
        ";"
}

void angle_addr() :
{}
{
        "<" [ route() ] addr_spec() ">"
}

void route() :
{}
{
        "@" domain() ( (",")* "@" domain() )* ":"
}

void phrase() :
{}
{
(       <DOTATOM>
|       <QUOTEDSTRING>
)+
}

void addr_spec() :
{}
{
        ( local_part() "@" domain() )
}

void local_part() :
{ Token t; }
{
        ( t=<DOTATOM> | t=<QUOTEDSTRING> )
        (       [t="."]
                {
                        if ( t.kind == AddressListParserConstants.QUOTEDSTRING || t.image.charAt(t.image.length() - 1) != '.')
                                throw new ParseException("Words in local part must be separated by '.'");
                }
                (       t=<DOTATOM> | t=<QUOTEDSTRING> )
        )*
}

void domain() :
{ Token t; }
{
        (       t=<DOTATOM>
                (       [t="."]
                        {
                                if (t.image.charAt(t.image.length() - 1) != '.')
                                        throw new ParseException("Atoms in domain names must be separated by '.'");
                        }
                        t=<DOTATOM>
                )*
        )
|       <DOMAINLITERAL>
}

SPECIAL_TOKEN :
{
        < WS: ( [" ", "\t"] )+ >
}

TOKEN :
{
        < #ALPHA: ["a" - "z", "A" - "Z"] >
|       < #DIGIT: ["0" - "9"] >
|       < #ATEXT: ( <ALPHA> | <DIGIT>
                          | "!" | "#" | "$" | "%"
                          | "&" | "'" | "*" | "+"
                          | "-" | "/" | "=" | "?"
                          | "^" | "_" | "`" | "{"
                          | "|" | "}" | "~"
                          )>
|       < DOTATOM: <ATEXT> ( <ATEXT> | "." )* >
}

TOKEN_MGR_DECLS :
{
        // Keeps track of how many levels of comment nesting
        // we've encountered.  This is only used when the 2nd
        // level is reached, for example ((this)), not (this).
        // This is because the outermost level must be treated
        // specially anyway, because the outermost ")" has a 
        // different token type than inner ")" instances.
        static int commentNest;
}

MORE :
{
        // domain literal
        "[" : INDOMAINLITERAL
}

<INDOMAINLITERAL>
MORE :
{
        < <QUOTEDPAIR>> { image.deleteCharAt(image.length() - 2); }
|       < ~["[", "]", "\\"] >
}

<INDOMAINLITERAL>
TOKEN :
{
        < DOMAINLITERAL: "]" > { matchedToken.image = image.toString(); }: DEFAULT
}

MORE :
{
        // starts a comment
        "(" : INCOMMENT
}

<INCOMMENT>
SKIP :
{
        // ends a comment
        < COMMENT: ")" > : DEFAULT
        // if this is ever changed to not be a SKIP, need
        // to make sure matchedToken.token = token.toString()
        // is called.
}

<INCOMMENT>
MORE :
{
        < <QUOTEDPAIR>> { image.deleteCharAt(image.length() - 2); }
|       "(" { commentNest = 1; } : NESTED_COMMENT
|       < <ANY>>
}

<NESTED_COMMENT>
MORE :
{
        < <QUOTEDPAIR>> { image.deleteCharAt(image.length() - 2); }
|       "(" { ++commentNest; }
|       ")" { --commentNest; if (commentNest == 0) SwitchTo(INCOMMENT); }
|       < <ANY>>
}


// QUOTED STRINGS

MORE :
{
        "\"" { image.deleteCharAt(image.length() - 1); } : INQUOTEDSTRING
}

<INQUOTEDSTRING>
MORE :
{
        < <QUOTEDPAIR>> { image.deleteCharAt(image.length() - 2); }
|       < (~["\"", "\\"])+ >
}

<INQUOTEDSTRING>
TOKEN :
{
        < QUOTEDSTRING: "\"" > { matchedToken.image = image.substring(0, image.length() - 1); } : DEFAULT
}

// GLOBALS

<*>
TOKEN :
{
        < #QUOTEDPAIR: "\\" <ANY> >
|       < #ANY: ~[] >
}

// ERROR!
/*

<*>
TOKEN :
{
        < UNEXPECTED_CHAR: <ANY> >
}

*/