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Viewing changes to mod/pattern/src/main/com/thaiopensource/relaxng/pattern/ListPattern.java

  • Committer: Bazaar Package Importer
  • Author(s): Samuel Thibault
  • Date: 2009-09-01 15:53:03 UTC
  • Revision ID: james.westby@ubuntu.com-20090901155303-2kweef05h5v9j3ni
Tags: upstream-20090818
Import upstream version 20090818

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mod/pattern/src/main/com/thaiopensource/relaxng/pattern/ListPattern.java
 
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package com.thaiopensource.relaxng.pattern;
 
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import org.xml.sax.Locator;
 
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import org.xml.sax.SAXException;
 
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class ListPattern extends Pattern {
 
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  private final Pattern p;
 
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  private final Locator locator;
 
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  ListPattern(Pattern p, Locator locator) {
 
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    super(false,
 
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          DATA_CONTENT_TYPE,
 
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          combineHashCode(LIST_HASH_CODE, p.hashCode()));
 
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    this.p = p;
 
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    this.locator = locator;
 
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  }
 
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  Pattern expand(SchemaPatternBuilder b) {
 
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    Pattern ep = p.expand(b);
 
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    if (ep != p)
 
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      return b.makeList(ep, locator);
 
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    else
 
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      return this;
 
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  }
 
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  void checkRecursion(int depth) throws SAXException {
 
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    p.checkRecursion(depth);
 
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  }
 
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  boolean samePattern(Pattern other) {
 
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    return (other instanceof ListPattern
 
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            && p == ((ListPattern)other).p);
 
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  }
 
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  <T> T apply(PatternFunction<T> f) {
 
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    return f.caseList(this);
 
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  }
 
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  void checkRestrictions(int context, DuplicateAttributeDetector dad, Alphabet alpha)
 
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    throws RestrictionViolationException {
 
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    switch (context) {
 
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    case DATA_EXCEPT_CONTEXT:
 
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      throw new RestrictionViolationException("data_except_contains_list");
 
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    case START_CONTEXT:
 
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      throw new RestrictionViolationException("start_contains_list");
 
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    case LIST_CONTEXT:
 
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      throw new RestrictionViolationException("list_contains_list");
 
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    }
 
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    try {
 
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      p.checkRestrictions(LIST_CONTEXT, dad, null);
 
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    }
 
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    catch (RestrictionViolationException e) {
 
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      e.maybeSetLocator(locator);
 
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      throw e;
 
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    }
 
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  }
 
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  Pattern getOperand() {
 
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    return p;
 
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  }
 
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}