/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#include "txExpr.h"
nsresult txLiteralExpr::evaluate(txIEvalContext* aContext,
txAExprResult** aResult) {
NS_ENSURE_TRUE(mValue, NS_ERROR_OUT_OF_MEMORY);
*aResult = mValue;
NS_ADDREF(*aResult);
return NS_OK;
}
static Expr::ResultType resultTypes[] = {
Expr::NODESET_RESULT,
// NODESET
Expr::BOOLEAN_RESULT,
// BOOLEAN
Expr::NUMBER_RESULT,
// NUMBER
Expr::STRING_RESULT,
// STRING
Expr::RTF_RESULT
// RESULT_TREE_FRAGMENT
};
Expr::ResultType txLiteralExpr::getReturnType() {
return resultTypes[mValue->getResultType()];
}
Expr* txLiteralExpr::getSubExprAt(uint32_t aPos) {
return nullptr; }
void txLiteralExpr::setSubExprAt(uint32_t aPos, Expr* aExpr) {
MOZ_ASSERT_UNREACHABLE(
"setting bad subexpression index");
}
bool txLiteralExpr::isSensitiveTo(ContextSensitivity aContext) {
return false; }
#ifdef TX_TO_STRING
void txLiteralExpr::toString(nsAString& aStr) {
switch (mValue->getResultType()) {
case txAExprResult::NODESET: {
aStr.AppendLiteral(
" { Nodeset literal } ");
return;
}
case txAExprResult::BOOLEAN: {
if (mValue->booleanValue()) {
aStr.AppendLiteral(
"true()");
}
else {
aStr.AppendLiteral(
"false()");
}
return;
}
case txAExprResult::NUMBER: {
txDouble::toString(mValue->numberValue(), aStr);
return;
}
case txAExprResult::STRING: {
StringResult* strRes =
static_cast<StringResult*>(
static_cast<txAExprResult*>(mValue));
char16_t ch =
'\'';
if (strRes->mValue.Contains(ch)) {
ch =
'\"';
}
aStr.Append(ch);
aStr.Append(strRes->mValue);
aStr.Append(ch);
return;
}
case txAExprResult::RESULT_TREE_FRAGMENT: {
aStr.AppendLiteral(
" { RTF literal } ");
return;
}
}
}
#endif
