package com.ctc.wstx.dtd;
import javax.xml.stream.XMLStreamException;
import com.ctc.wstx.ent.EntityDecl;
import com.ctc.wstx.io.WstxInputData;
import com.ctc.wstx.sr.InputProblemReporter;
import com.ctc.wstx.util.PrefixedName;
/**
* Specific attribute class for attributes that contain (unique)
* identifiers.
*/
public final class DTDEntityAttr
extends DTDAttribute
{
/*
///////////////////////////////////////////////////
// Life-cycle
///////////////////////////////////////////////////
*/
/**
* Main constructor. Note that id attributes can never have
* default values.
*/
public DTDEntityAttr(PrefixedName name, DefaultAttrValue defValue, int specIndex,
boolean nsAware, boolean xml11)
{
super(name, defValue, specIndex, nsAware, xml11);
}
public DTDAttribute cloneWith(int specIndex)
{
return new DTDEntityAttr(mName, mDefValue, specIndex, mCfgNsAware, mCfgXml11);
}
/*
///////////////////////////////////////////////////
// Public API
///////////////////////////////////////////////////
*/
public int getValueType() {
return TYPE_ENTITY;
}
/*
///////////////////////////////////////////////////
// Public API, validation
///////////////////////////////////////////////////
*/
/**
* Method called by the {@link DTDValidatorBase}
* to let the attribute do necessary normalization and/or validation
* for the value.
*/
public String validate(DTDValidatorBase v, char[] cbuf, int start, int end, boolean normalize)
throws XMLStreamException
{
while (start < end && WstxInputData.isSpaceChar(cbuf[start])) {
++start;
}
// Empty value?
if (start >= end) {
return reportValidationProblem(v, "Empty ENTITY value");
}
--end; // so that it now points to the last char
while (end > start && WstxInputData.isSpaceChar(cbuf[end])) {
--end;
}
// Ok, need to check char validity, and also calc hash code:
char c = cbuf[start];
if (!WstxInputData.isNameStartChar(c, mCfgNsAware, mCfgXml11) && c != ':') {
return reportInvalidChar(v, c, "not valid as the first ID character");
}
for (int i = start+1; i <= end; ++i) {
c = cbuf[i];
if (!WstxInputData.isNameChar(c, mCfgNsAware, mCfgXml11)) {
return reportInvalidChar(v, c, "not valid as an ID character");
}
}
EntityDecl ent = findEntityDecl(v, cbuf, start, (end - start + 1));
// only returns if it succeeded...
return normalize ? ent.getName() : null;
}
/**
* Method called by the validator object
* to ask attribute to verify that the default it has (if any) is
* valid for such type.
*/
public void validateDefault(InputProblemReporter rep, boolean normalize)
throws XMLStreamException
{
String normStr = validateDefaultName(rep, normalize);
if (normalize) {
mDefValue.setValue(normStr);
}
// Ok, but was it declared?
/* 03-Dec-2004, TSa: This is rather ugly -- need to know we
* actually really get a DTD reader, and DTD reader needs
* to expose a special method... but it gets things done.
*/
EntityDecl ent = ((MinimalDTDReader) rep).findEntity(normStr);
checkEntity(rep, normStr, ent);
}
}