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fixing tree leaks

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Maxim.Mossienko
2011-01-25 01:01:17 +03:00
parent 2a8810a6fd
commit b8630448f5
1 changed files with 38 additions and 26 deletions
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xml/impl/src/com/intellij/psi/impl/source/html/ScriptSupportUtil.java
+38 -26
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@@ -22,6 +22,8 @@ import com.intellij.psi.ResolveState;
import com.intellij.psi.impl.source.resolve.reference.impl.providers.FileReferenceUtil;
import com.intellij.psi.scope.PsiScopeProcessor;
import com.intellij.psi.search.PsiElementProcessor;
import com.intellij.psi.util.CachedValue;
import com.intellij.psi.util.CachedValueProvider;
import com.intellij.psi.xml.*;
import com.intellij.xml.XmlElementDescriptor;
import com.intellij.xml.util.HtmlUtil;
@@ -35,7 +37,7 @@ import java.util.List;
* @author Maxim.Mossienko
*/
public class ScriptSupportUtil {
private static final Key<XmlTag[]> CachedScriptTagsKey = Key.create("script tags");
private static final Key<CachedValue<XmlTag[]>> CachedScriptTagsKey = Key.create("script tags");
private static final ThreadLocal<String> ProcessingDeclarationsFlag = new ThreadLocal<String>();
private static final @NonNls String SCRIPT_TAG = "script";
@@ -46,61 +48,71 @@ public class ScriptSupportUtil {
element.putUserData(CachedScriptTagsKey,null);
}
public static boolean processDeclarations(XmlFile element, PsiScopeProcessor processor, ResolveState state, PsiElement lastParent, PsiElement place) {
XmlTag[] myCachedScriptTags = element.getUserData(CachedScriptTagsKey);
public static boolean processDeclarations(final XmlFile element,
PsiScopeProcessor processor,
ResolveState state,
PsiElement lastParent,
PsiElement place) {
CachedValue<XmlTag[]> myCachedScriptTags = element.getUserData(CachedScriptTagsKey);
if (myCachedScriptTags == null) {
final List<XmlTag> scriptTags = new ArrayList<XmlTag>();
final XmlDocument document = HtmlUtil.getRealXmlDocument(element.getDocument());
myCachedScriptTags = element.getManager().getCachedValuesManager().createCachedValue(new CachedValueProvider<XmlTag[]>() {
@Override
public Result<XmlTag[]> compute() {
final List<XmlTag> scriptTags = new ArrayList<XmlTag>();
final XmlDocument document = HtmlUtil.getRealXmlDocument(element.getDocument());
if (document != null) {
XmlUtil.processXmlElements(document,
new PsiElementProcessor() {
public boolean execute(final PsiElement element) {
if (element instanceof XmlTag) {
final XmlTag tag = (XmlTag)element;
if (document != null) {
PsiElementProcessor psiElementProcessor = new PsiElementProcessor() {
public boolean execute(final PsiElement element) {
if (element instanceof XmlTag) {
final XmlTag tag = (XmlTag)element;
if (SCRIPT_TAG.equalsIgnoreCase(tag.getName())) {
final XmlElementDescriptor descriptor = tag.getDescriptor();
if (descriptor != null && SCRIPT_TAG.equals(descriptor.getName())) {
scriptTags.add(tag);
if (SCRIPT_TAG.equalsIgnoreCase(tag.getName())) {
final XmlElementDescriptor descriptor = tag.getDescriptor();
if (descriptor != null && SCRIPT_TAG.equals(descriptor.getName())) {
scriptTags.add(tag);
}
}
}
return true;
}
}
return true;
};
XmlUtil.processXmlElements(document,psiElementProcessor, true);
}
}, true);
}
myCachedScriptTags = scriptTags.toArray(new XmlTag[scriptTags.size()]);
return new Result<XmlTag[]>(scriptTags.toArray(new XmlTag[scriptTags.size()]), element);
}
}, false);
element.putUserData(CachedScriptTagsKey, myCachedScriptTags);
}
if (ProcessingDeclarationsFlag.get() != null) return true;
try {
ProcessingDeclarationsFlag.set("");
for (XmlTag tag : myCachedScriptTags) {
for (XmlTag tag : myCachedScriptTags.getValue()) {
final XmlTagChild[] children = tag.getValue().getChildren();
for (XmlTagChild child : children) {
if (!child.processDeclarations(processor, state, null, place)) return false;
}
if(tag.getAttributeValue("src") != null) {
if (tag.getAttributeValue("src") != null) {
final XmlAttribute attribute = tag.getAttribute("src", null);
if (attribute != null) {
final PsiFile psiFile = FileReferenceUtil.findFile(attribute.getValueElement());
if (psiFile != null && psiFile.isValid()) {
if(!psiFile.processDeclarations(processor, state, null, place))
if (!psiFile.processDeclarations(processor, state, null, place)) {
return false;
}
}
}
}
}
} finally {
}
finally {
ProcessingDeclarationsFlag.set(null);
}