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org.sweble.wikitext.lazy.utils.XmlAttribute.rats Maven / Gradle / Ivy

/**
 * Copyright 2011 The Open Source Research Group,
 *                University of Erlangen-Nürnberg
 *
 * Licensed 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.
 */

/*!
 *
 * XML Attribute
 * -------------
 *
 *   Grammar:
 *     - Ws* XmlName Ws* '=' Ws* '\'' AttributeValueSq* '\''
 *     - Ws* XmlName Ws* '=' Ws* '"' ValueDqStar '"'
 *     - Ws* XmlName Ws* '=' ValueNqStar
 *     - Ws* XmlName
 *
 *   AST node:
 *     Name        : XmlAttribute
 *     Extends     : InnerNode.InnerNode1
 *     Constructor : "name, hasValue"
 *     Constructor : "name, value, hasValue"
 *     NodeType    : org.sweble.wikitext.lazy.AstNodeTypes.NT_XML_ATTRIBUTE
 *
 *     Properties:
 *       name     : String
 *       hasValue : boolean
 *
 *     Children:
 *       value : NodeList
 *
 * XML Attribute Garbage
 * ---------------------
 *
 *   AST node:
 *     Name        : XmlAttributeGarbage
 *     Extends     : StringContentNode
 *     Constructor : content
 *     NodeType    : org.sweble.wikitext.lazy.AstNodeTypes.NT_XML_ATTRIBUTE_GARBAGE
 *
 */

module org.sweble.wikitext.lazy.utils.XmlAttribute(WS);

import org.sweble.wikitext.lazy.utils.XmlName;
import org.sweble.wikitext.lazy.utils.XmlReference;
import WS;





// -- Attributes ---------------------------------------------------------------

NodeList XmlAttributeStar =
  yyValue:tXmlAttributePlus?
  {
    if (yyValue == null)
      yyValue = new NodeList();
  }
;

NodeList XmlAttributePlus = tXmlAttributePlus ;

inline void XmlAttrGarbageStopper =
     "/>"
  /       '>'
  /          '<'
;

inline void XmlAttrValueStopper =
     "/>"
  /       '>'
  /          '<'
;

inline String XmlAttrWs =
       pWsPlus
;




// -- Attributes ---------------------------------------------------------------

private transient NodeList tXmlAttributePlus =
  head:XmlHeadAttributeChoice tail:XmlTailAttributeChoice*
  {
    yyValue = new NodeList(head, tail);
  }
;

private inline AstNode XmlHeadAttributeChoice =
    ValidXmlAttribute
  / XmlAttributeGarbage
;

private inline AstNode XmlTailAttributeChoice =
    &XmlAttrWs ValidXmlAttribute
  / XmlAttributeGarbage
;

private inline XmlAttributeGarbage XmlAttributeGarbage =
  garbage:GarbageString
  {
    yyValue = new XmlAttributeGarbage(garbage);
  }
;

private transient String GarbageString =
  ( !GarbageStringStopper _ )+
;

private inline void GarbageStringStopper =
    XmlAttrWs? XmlAttrGarbageStopper
  / XmlAttrWs ValidXmlAttribute
;

private XmlAttribute ValidXmlAttribute =
    ws0:XmlAttrWs? name:XmlName ws1:XmlAttrWs? '=' ws2:XmlAttrWs? ['] value:ValueSqStar ['] &AttrEnd
    {
      yyValue = new XmlAttribute(name, value, true);

      if (isGatherRtData())
        addRtData(yyValue,
            joinRt(ws0, name, ws1, '=', ws2, '\''),
            joinRt('\''));
    }
  / ws0:XmlAttrWs? name:XmlName ws1:XmlAttrWs? '=' ws2:XmlAttrWs? '"' value:ValueDqStar '"' &AttrEnd
    {
      yyValue = new XmlAttribute(name, value, true);

      if (isGatherRtData())
        addRtData(yyValue,
            joinRt(ws0, name, ws1, '=', ws2, '"'),
            joinRt('"'));
    }
  / ws0:XmlAttrWs? name:XmlName ws1:XmlAttrWs? '=' value:ValueNqStar &AttrEnd
    {
      yyValue = new XmlAttribute(name, value, true);

      if (isGatherRtData())
        addRtData(yyValue,
            joinRt(ws0, name, ws1, '='),
            null);
    }
  / ws0:XmlAttrWs? name:XmlName &AttrEnd
    {
      yyValue = new XmlAttribute(name, false);

      if (isGatherRtData())
        addRtData(yyValue,
            joinRt(ws0, name),
            null);
    }
;

private inline void AttrEnd =
    XmlAttrWs
  / XmlAttrValueStopper
  / Eof
;




// -- Single quoted attribute values -------------------------------------------

private transient NodeList ValueSqStar =
  value:ValueSqChoice*
  {
    yyValue = new NodeList(value);
  }
;

private inline AstNode ValueSqChoice =
    string:ValueSqString
    {
      yyValue = new Text(string);
    }
  / &'&' XmlReference
;

private transient String ValueSqString =
  ( !XmlAttrValueStopper ![<'&] _ )+
;




// -- Double quoted attribute values -------------------------------------------

private transient NodeList ValueDqStar =
  value:ValueDqChoice*
  {
    yyValue = new NodeList(value);
  }
;

private inline AstNode ValueDqChoice =
    string:ValueDqString
    {
      yyValue = new Text(string);
    }
  / &'&' XmlReference
;

private transient String ValueDqString =
  ( !XmlAttrValueStopper ![<"&] _ )+
;




// -- Non-quoted attribute values ----------------------------------------------

private transient NodeList ValueNqStar =
  value:ValueNqChoice*
  {
    yyValue = new NodeList(value);
  }
;

private inline AstNode ValueNqChoice =
    string:ValueNqString
    {
      yyValue = new Text(string);
    }
  / &'&' XmlReference
;

private transient String ValueNqString =
  ( !XmlAttrValueStopper [a-zA-Z0-9!#$%()*,\-./:;