package com.thaiopensource.relaxng.pattern; import org.xml.sax.Locator; import org.xml.sax.SAXException; class AttributePattern extends Pattern { private final NameClass nameClass; private final Pattern p; private final Locator loc; AttributePattern(NameClass nameClass, Pattern value, Locator loc) { super(false, EMPTY_CONTENT_TYPE, combineHashCode(ATTRIBUTE_HASH_CODE, nameClass.hashCode(), value.hashCode())); this.nameClass = nameClass; this.p = value; this.loc = loc; } Pattern expand(SchemaPatternBuilder b) { Pattern ep = p.expand(b); if (ep != p) return b.makeAttribute(nameClass, ep, loc); else return this; } void checkRestrictions(int context, DuplicateAttributeDetector dad, Alphabet alpha) throws RestrictionViolationException { switch (context) { case START_CONTEXT: throw new RestrictionViolationException("start_contains_attribute"); case ELEMENT_CONTEXT: if (nameClass.isOpen()) throw new RestrictionViolationException("open_name_class_not_repeated"); break; case ELEMENT_REPEAT_GROUP_CONTEXT: throw new RestrictionViolationException("one_or_more_contains_group_contains_attribute"); case ELEMENT_REPEAT_INTERLEAVE_CONTEXT: throw new RestrictionViolationException("one_or_more_contains_interleave_contains_attribute"); case LIST_CONTEXT: throw new RestrictionViolationException("list_contains_attribute"); case ATTRIBUTE_CONTEXT: throw new RestrictionViolationException("attribute_contains_attribute"); case DATA_EXCEPT_CONTEXT: throw new RestrictionViolationException("data_except_contains_attribute"); } dad.addAttribute(nameClass); try { p.checkRestrictions(ATTRIBUTE_CONTEXT, null, null); } catch (RestrictionViolationException e) { e.maybeSetLocator(loc); throw e; } } boolean samePattern(Pattern other) { if (!(other instanceof AttributePattern)) return false; AttributePattern ap = (AttributePattern)other; return nameClass.equals(ap.nameClass)&& p == ap.p; } void checkRecursion(int depth) throws SAXException { p.checkRecursion(depth); } <T> T apply(PatternFunction<T> f) { return f.caseAttribute(this); } Pattern getContent() { return p; } NameClass getNameClass() { return nameClass; } Locator getLocator() { return loc; } }