public GrLiteralImpl handleContentChange(GrLiteral expr, TextRange range, String newContent)
throws IncorrectOperationException {
if (!(expr.getValue() instanceof String))
throw new IncorrectOperationException("cannot handle content change");
LOG.assertTrue(expr instanceof GrLiteralImpl);
String oldText = expr.getText();
final String quote = GrStringUtil.getStartQuote(oldText);
if (quote.startsWith("'")) {
newContent = GrStringUtil.escapeSymbolsForString(newContent, !quote.equals("'''"), false);
} else if (quote.startsWith("\"")) {
newContent = GrStringUtil.escapeSymbolsForGString(newContent, !quote.equals("\"\"\""), true);
} else if ("/".equals(quote)) {
newContent = GrStringUtil.escapeSymbolsForSlashyStrings(newContent);
} else if ("$/".equals(quote)) {
newContent = GrStringUtil.escapeSymbolsForDollarSlashyStrings(newContent);
}
String newText =
oldText.substring(0, range.getStartOffset())
+ newContent
+ oldText.substring(range.getEndOffset());
return ((GrLiteralImpl) expr).updateText(newText);
}
@Override
public String getValue() {
final String text = getText();
StringBuilder chars = new StringBuilder(text.length());
boolean result = GrStringUtil.parseStringCharacters(text, chars, null);
return result ? chars.toString() : null;
}
public static void appendName(@NotNull final StringBuilder buffer, @NotNull final String name) {
if (GroovyNamesUtil.isIdentifier(name)) {
buffer.append(name);
} else {
buffer.append("'");
buffer.append(GrStringUtil.escapeSymbolsForString(name, true, false));
buffer.append("'");
}
}
/** @return leading regex or null if it does not exist */
@Nullable
private static GrLiteral getRegexAtTheBeginning(PsiElement expr) {
PsiElement fchild = expr;
while (fchild != null) {
if (fchild instanceof GrLiteral && GrStringUtil.isRegex((GrLiteral) fchild))
return (GrLiteral) fchild;
fchild = fchild.getFirstChild();
}
return null;
}
@NotNull
public static String getName(@NotNull GrNamedElement namedElement) {
PsiElement nameElement = namedElement.getNameIdentifierGroovy();
ASTNode node = nameElement.getNode();
LOG.assertTrue(node != null);
if (node.getElementType() == mIDENT) {
return nameElement.getText();
}
if (node.getElementType() == mSTRING_LITERAL || node.getElementType() == mGSTRING_LITERAL) {
final Object value = GrLiteralImpl.getLiteralValue(nameElement);
if (value instanceof String) {
return (String) value;
} else {
return GrStringUtil.removeQuotes(nameElement.getText());
}
}
throw new IncorrectOperationException(
"incorrect name element: " + node.getElementType() + ", named element: " + namedElement);
}
@Nullable
public static GrExpression replaceExpression(
GrExpression oldExpr, GrExpression newExpr, boolean removeUnnecessaryParentheses) {
PsiElement oldParent = oldExpr.getParent();
if (oldParent == null) throw new PsiInvalidElementAccessException(oldExpr);
if (!(oldExpr instanceof GrApplicationStatement)) {
newExpr = ApplicationStatementUtil.convertToMethodCallExpression(newExpr);
}
// Remove unnecessary parentheses
if (removeUnnecessaryParentheses
&& oldParent instanceof GrParenthesizedExpression
&& !(oldParent.getParent() instanceof GrArgumentLabel)) {
return ((GrExpression) oldParent)
.replaceWithExpression(newExpr, removeUnnecessaryParentheses);
}
// regexes cannot be after identifier , try to replace it with simple string
if (getRegexAtTheBeginning(newExpr) != null && isAfterIdentifier(oldExpr)) {
final PsiElement copy = newExpr.copy();
final GrLiteral regex = getRegexAtTheBeginning(copy);
LOG.assertTrue(regex != null);
final GrLiteral stringLiteral = GrStringUtil.createStringFromRegex(regex);
if (regex == copy) {
return oldExpr.replaceWithExpression(stringLiteral, removeUnnecessaryParentheses);
} else {
regex.replace(stringLiteral);
return oldExpr.replaceWithExpression((GrExpression) copy, removeUnnecessaryParentheses);
}
}
GroovyPsiElementFactory factory = GroovyPsiElementFactory.getInstance(oldExpr.getProject());
if (oldParent instanceof GrStringInjection) {
if (newExpr instanceof GrString
|| newExpr instanceof GrLiteral && ((GrLiteral) newExpr).getValue() instanceof String) {
return GrStringUtil.replaceStringInjectionByLiteral(
(GrStringInjection) oldParent, (GrLiteral) newExpr);
} else {
newExpr = factory.createExpressionFromText("{" + newExpr.getText() + "}");
oldParent.getNode().replaceChild(oldExpr.getNode(), newExpr.getNode());
return newExpr;
}
}
if (PsiTreeUtil.getParentOfType(oldExpr, GrStringInjection.class, false, GrCodeBlock.class)
!= null) {
final PsiElement replaced = oldExpr.replace(newExpr);
final GrStringInjection stringInjection =
PsiTreeUtil.getParentOfType(replaced, GrStringInjection.class);
GrStringUtil.wrapInjection(stringInjection);
assert stringInjection != null;
return stringInjection.getClosableBlock();
}
// check priorities
if (oldParent instanceof GrExpression && !(oldParent instanceof GrParenthesizedExpression)) {
GrExpression addedParenth =
addParenthesesIfNeeded(newExpr, oldExpr, (GrExpression) oldParent);
if (newExpr != addedParenth) {
return oldExpr.replaceWithExpression(addedParenth, removeUnnecessaryParentheses);
}
}
// if replace closure argument with expression
// we should add the expression in arg list
if (oldExpr instanceof GrClosableBlock
&& !(newExpr instanceof GrClosableBlock)
&& oldParent instanceof GrMethodCallExpression
&& ArrayUtil.contains(
oldExpr, ((GrMethodCallExpression) oldParent).getClosureArguments())) {
return ((GrMethodCallExpression) oldParent)
.replaceClosureArgument((GrClosableBlock) oldExpr, newExpr);
}
newExpr = (GrExpression) oldExpr.replace(newExpr);
// if newExpr is the first grand child of command argument list we should replace command arg
// list with parenthesised arg list.
// In other case the code will be broken. So we try to find wrapping command arg list counting
// levels. After arg list replace we go inside it
// to find target parenthesised expression.
if (newExpr instanceof GrParenthesizedExpression && isFirstChild(newExpr)) {
int parentCount = 0;
PsiElement element = oldParent;
while (element != null && !(element instanceof GrCommandArgumentList)) {
if (element instanceof GrCodeBlock || element instanceof GrParenthesizedExpression) break;
if (element instanceof PsiFile) break;
final PsiElement parent = element.getParent();
if (parent == null) break;
if (!isFirstChild(element)) break;
element = parent;
parentCount++;
}
if (element instanceof GrCommandArgumentList) {
final GrCommandArgumentList commandArgList = (GrCommandArgumentList) element;
final PsiElement parent = commandArgList.getParent();
LOG.assertTrue(parent instanceof GrApplicationStatement);
final GrMethodCall methodCall =
factory.createMethodCallByAppCall((GrApplicationStatement) parent);
final GrMethodCall newCall = (GrMethodCall) parent.replace(methodCall);
PsiElement result = newCall.getArgumentList().getAllArguments()[0];
for (int i = 0; i < parentCount; i++) {
result = PsiUtil.skipWhitespacesAndComments(result.getFirstChild(), true);
}
LOG.assertTrue(result instanceof GrParenthesizedExpression);
return (GrExpression) result;
}
}
return newExpr;
}