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lazy XPathLanguageInjector

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This commit is contained in:
Dmitry Avdeev
2011-06-06 17:11:54 +04:00
parent b095f82d3a
commit 5cb6d15733
1 changed files with 11 additions and 4 deletions
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plugins/xpath/xpath-lang/src/org/intellij/lang/xpath/xslt/impl/XPathLanguageInjector.java
+11 -4
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@@ -22,6 +22,7 @@ import com.intellij.lang.injection.MultiHostInjector;
import com.intellij.lang.injection.MultiHostRegistrar;
import com.intellij.lexer.Lexer;
import com.intellij.openapi.util.Key;
import com.intellij.openapi.util.NotNullLazyValue;
import com.intellij.openapi.util.Pair;
import com.intellij.openapi.util.TextRange;
import com.intellij.psi.PsiElement;
@@ -37,14 +38,20 @@ import org.jetbrains.annotations.Nullable;
import java.util.Arrays;
import java.util.List;
class XPathLanguageInjector implements MultiHostInjector {
public class XPathLanguageInjector implements MultiHostInjector {
private static final Key<Pair<String, TextRange[]>> CACHED_FILES = Key.create("CACHED_FILES");
private static final TextRange[] EMPTY_ARRAY = new TextRange[0];
private final ParserDefinition myParserDefinition;
private final NotNullLazyValue<ParserDefinition> myParserDefinition;
public XPathLanguageInjector() {
myParserDefinition = LanguageParserDefinitions.INSTANCE.forLanguage(XPathFileType.XPATH.getLanguage());
myParserDefinition = new NotNullLazyValue<ParserDefinition>() {
@NotNull
@Override
protected ParserDefinition compute() {
return LanguageParserDefinitions.INSTANCE.forLanguage(XPathFileType.XPATH.getLanguage());
}
};
}
@Nullable
@@ -90,7 +97,7 @@ class XPathLanguageInjector implements MultiHostInjector {
int i;
int j = 0;
final Lexer lexer = myParserDefinition.createLexer(attribute.getProject());
final Lexer lexer = myParserDefinition.getValue().createLexer(attribute.getProject());
while ((i = XsltSupport.getAVTOffset(value, j)) != -1) {
// "A right curly brace inside a Literal in an expression is not recognized as terminating the expression."
lexer.start(value, i, value.length());