diff options
Diffstat (limited to '')
-rw-r--r-- | dom/xslt/xpath/txLiteralExpr.cpp | 74 |
1 files changed, 74 insertions, 0 deletions
diff --git a/dom/xslt/xpath/txLiteralExpr.cpp b/dom/xslt/xpath/txLiteralExpr.cpp new file mode 100644 index 0000000000..93ea2c8f1d --- /dev/null +++ b/dom/xslt/xpath/txLiteralExpr.cpp @@ -0,0 +1,74 @@ +/* -*- 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 |