michael@0: /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
michael@0: /* This Source Code Form is subject to the terms of the Mozilla Public
michael@0:  * License, v. 2.0. If a copy of the MPL was not distributed with this
michael@0:  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
michael@0: 
michael@0: #include "txExpr.h"
michael@0: 
michael@0: nsresult
michael@0: txLiteralExpr::evaluate(txIEvalContext* aContext, txAExprResult** aResult)
michael@0: {
michael@0:     NS_ENSURE_TRUE(mValue, NS_ERROR_OUT_OF_MEMORY);
michael@0: 
michael@0:     *aResult = mValue;
michael@0:     NS_ADDREF(*aResult);
michael@0: 
michael@0:     return NS_OK;
michael@0: }
michael@0: 
michael@0: static Expr::ResultType resultTypes[] =
michael@0: {
michael@0:     Expr::NODESET_RESULT, // NODESET
michael@0:     Expr::BOOLEAN_RESULT, // BOOLEAN
michael@0:     Expr::NUMBER_RESULT,  // NUMBER
michael@0:     Expr::STRING_RESULT,  // STRING
michael@0:     Expr::RTF_RESULT      // RESULT_TREE_FRAGMENT
michael@0: };
michael@0: 
michael@0: Expr::ResultType
michael@0: txLiteralExpr::getReturnType()
michael@0: {
michael@0:     return resultTypes[mValue->getResultType()];
michael@0: }
michael@0: 
michael@0: Expr*
michael@0: txLiteralExpr::getSubExprAt(uint32_t aPos)
michael@0: {
michael@0:     return nullptr;
michael@0: }
michael@0: void
michael@0: txLiteralExpr::setSubExprAt(uint32_t aPos, Expr* aExpr)
michael@0: {
michael@0:     NS_NOTREACHED("setting bad subexpression index");
michael@0: }
michael@0: 
michael@0: bool
michael@0: txLiteralExpr::isSensitiveTo(ContextSensitivity aContext)
michael@0: {
michael@0:     return false;
michael@0: }
michael@0: 
michael@0: #ifdef TX_TO_STRING
michael@0: void
michael@0: txLiteralExpr::toString(nsAString& aStr)
michael@0: {
michael@0:     switch (mValue->getResultType()) {
michael@0:         case txAExprResult::NODESET:
michael@0:         {
michael@0:             aStr.AppendLiteral(" { Nodeset literal } ");
michael@0:             return;
michael@0:         }
michael@0:         case txAExprResult::BOOLEAN:
michael@0:         {
michael@0:             if (mValue->booleanValue()) {
michael@0:               aStr.AppendLiteral("true()");
michael@0:             }
michael@0:             else {
michael@0:               aStr.AppendLiteral("false()");
michael@0:             }
michael@0:             return;
michael@0:         }
michael@0:         case txAExprResult::NUMBER:
michael@0:         {
michael@0:             txDouble::toString(mValue->numberValue(), aStr);
michael@0:             return;
michael@0:         }
michael@0:         case txAExprResult::STRING:
michael@0:         {
michael@0:             StringResult* strRes =
michael@0:                 static_cast<StringResult*>(static_cast<txAExprResult*>
michael@0:                                        (mValue));
michael@0:             char16_t ch = '\'';
michael@0:             if (strRes->mValue.FindChar(ch) != kNotFound) {
michael@0:                 ch = '\"';
michael@0:             }
michael@0:             aStr.Append(ch);
michael@0:             aStr.Append(strRes->mValue);
michael@0:             aStr.Append(ch);
michael@0:             return;
michael@0:         }
michael@0:         case txAExprResult::RESULT_TREE_FRAGMENT:
michael@0:         {
michael@0:             aStr.AppendLiteral(" { RTF literal } ");
michael@0:             return;
michael@0:         }
michael@0:     }
michael@0: }
michael@0: #endif