// $Id$
// Author: Jean-Guilhem Rouel
// (c) COPYRIGHT MIT, ERCIM and Keio, 2005.
// Please first read the full copyright statement in file COPYRIGHT.html
package org.w3c.css.selectors.attributes;
import org.w3c.css.selectors.AttributeSelector;
import org.w3c.css.selectors.Selector;
import org.w3c.css.util.ApplContext;
/**
* AttributeExact
* Created: Sep 1, 2005 4:22:42 PM
*/
public class AttributeExact extends AttributeSelector {
private String value;
public AttributeExact(String name, String value) {
setName(name);
this.value = value;
}
/**
* @return Returns the value.
*/
public String getValue() {
return value;
}
/**
* @param value The value to set.
*/
public void setValue(String value) {
this.value = value;
}
public boolean canApply(Selector other) {
if (getName().equals(other.getName())) {
if (other instanceof AttributeAny) {
// [lang=fr][lang]
return true;
} else if (other instanceof AttributeExact ||
other instanceof AttributeOneOf ||
other instanceof AttributeBegin) {
// FIXME sounds like canApply is not used anyway
// + the comparison function is not right and doesn't
// take into account all kind the selector attributes
if (!value.equals(((AttributeExact) other).getValue())) {
// [lang=fr][lang=en]
return false;
} else {
// [lang=en][lang=en]
return true;
}
}
return false;
}
return true;
}
public void applyAttribute(ApplContext ac, AttributeSelector attr) {
String name = getName();
// if same name... check if they are incompatible or not
if (name.equals(attr.getName())) {
if (attr instanceof AttributeExact) {
// and not the same value, raise a warning
if (!value.equals(((AttributeExact) attr).getValue())) {
ac.getFrame().addWarning("incompatible",
new String[]{toString(), attr.toString()});
}
} else if (attr instanceof AttributeOneOf) {
// delegate the match to OneOf
((AttributeOneOf) attr).applyAttribute(ac, this);
} else if (attr instanceof AttributeBegin) {
String othervalue = ((AttributeBegin) attr).getValue();
// check if [lang|=en][lang=fr-FR] are incompatible
// form CSS3 selectors about AttributeBegin
// [[ its value either being exactly "val" or beginning
// with "val" immediately followed by "-" (U+002D). ]]
if (!value.equals(othervalue) &&
!value.startsWith(othervalue + "-")) {
ac.getFrame().addWarning("incompatible",
new String[]{toString(), attr.toString()});
}
} else if (attr instanceof AttributeSubstr) {
String othervalue = ((AttributeSubstr) attr).getValue();
if (value.indexOf(othervalue) < 0) {
ac.getFrame().addWarning("incompatible",
new String[]{toString(), attr.toString()});
}
} else if (attr instanceof AttributeStart) {
String othervalue = ((AttributeStart) attr).getValue();
if (!value.startsWith(othervalue)) {
ac.getFrame().addWarning("incompatible",
new String[]{toString(), attr.toString()});
}
} else if (attr instanceof AttributeSuffix) {
String othervalue = ((AttributeSuffix) attr).getValue();
if (!value.endsWith(othervalue)) {
ac.getFrame().addWarning("incompatible",
new String[]{toString(), attr.toString()});
}
}
}
}
public String toString() {
StringBuilder sb = new StringBuilder();
sb.append('[').append(getPrefixedName());
sb.append("=\"").append(value).append('"');
sb.append(getEndingString());
return sb.toString();
}
}