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comparison: dom/xslt/xpath/txUnionExpr.cpp
dom/xslt/xpath/txUnionExpr.cpp
- branch
- TOR_BUG_9701
- changeset 15
- b8a032363ba2
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| -1:000000000000 | 0:9e22f3df1cbd |
|---|---|
| 1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */ | |
| 2 /* This Source Code Form is subject to the terms of the Mozilla Public | |
| 3 * License, v. 2.0. If a copy of the MPL was not distributed with this | |
| 4 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ | |
| 5 | |
| 6 #include "txExpr.h" | |
| 7 #include "txIXPathContext.h" | |
| 8 #include "txNodeSet.h" | |
| 9 | |
| 10 //-------------/ | |
| 11 //- UnionExpr -/ | |
| 12 //-------------/ | |
| 13 | |
| 14 //-----------------------------/ | |
| 15 //- Virtual methods from Expr -/ | |
| 16 //-----------------------------/ | |
| 17 | |
| 18 /** | |
| 19 * Evaluates this Expr based on the given context node and processor state | |
| 20 * @param context the context node for evaluation of this Expr | |
| 21 * @param ps the ContextState containing the stack information needed | |
| 22 * for evaluation | |
| 23 * @return the result of the evaluation | |
| 24 **/ | |
| 25 nsresult | |
| 26 UnionExpr::evaluate(txIEvalContext* aContext, txAExprResult** aResult) | |
| 27 { | |
| 28 *aResult = nullptr; | |
| 29 nsRefPtr<txNodeSet> nodes; | |
| 30 nsresult rv = aContext->recycler()->getNodeSet(getter_AddRefs(nodes)); | |
| 31 NS_ENSURE_SUCCESS(rv, rv); | |
| 32 | |
| 33 uint32_t i, len = mExpressions.Length(); | |
| 34 for (i = 0; i < len; ++i) { | |
| 35 nsRefPtr<txAExprResult> exprResult; | |
| 36 rv = mExpressions[i]->evaluate(aContext, getter_AddRefs(exprResult)); | |
| 37 NS_ENSURE_SUCCESS(rv, rv); | |
| 38 | |
| 39 if (exprResult->getResultType() != txAExprResult::NODESET) { | |
| 40 //XXX ErrorReport: report nonnodeset error | |
| 41 return NS_ERROR_XSLT_NODESET_EXPECTED; | |
| 42 } | |
| 43 | |
| 44 nsRefPtr<txNodeSet> resultSet, ownedSet; | |
| 45 resultSet = static_cast<txNodeSet*> | |
| 46 (static_cast<txAExprResult*>(exprResult)); | |
| 47 exprResult = nullptr; | |
| 48 rv = aContext->recycler()-> | |
| 49 getNonSharedNodeSet(resultSet, getter_AddRefs(ownedSet)); | |
| 50 NS_ENSURE_SUCCESS(rv, rv); | |
| 51 | |
| 52 rv = nodes->addAndTransfer(ownedSet); | |
| 53 NS_ENSURE_SUCCESS(rv, rv); | |
| 54 } | |
| 55 | |
| 56 *aResult = nodes; | |
| 57 NS_ADDREF(*aResult); | |
| 58 | |
| 59 return NS_OK; | |
| 60 } //-- evaluate | |
| 61 | |
| 62 Expr::ExprType | |
| 63 UnionExpr::getType() | |
| 64 { | |
| 65 return UNION_EXPR; | |
| 66 } | |
| 67 | |
| 68 TX_IMPL_EXPR_STUBS_LIST(UnionExpr, NODESET_RESULT, mExpressions) | |
| 69 | |
| 70 bool | |
| 71 UnionExpr::isSensitiveTo(ContextSensitivity aContext) | |
| 72 { | |
| 73 uint32_t i, len = mExpressions.Length(); | |
| 74 for (i = 0; i < len; ++i) { | |
| 75 if (mExpressions[i]->isSensitiveTo(aContext)) { | |
| 76 return true; | |
| 77 } | |
| 78 } | |
| 79 | |
| 80 return false; | |
| 81 } | |
| 82 | |
| 83 #ifdef TX_TO_STRING | |
| 84 void | |
| 85 UnionExpr::toString(nsAString& dest) | |
| 86 { | |
| 87 uint32_t i; | |
| 88 for (i = 0; i < mExpressions.Length(); ++i) { | |
| 89 if (i > 0) | |
| 90 dest.AppendLiteral(" | "); | |
| 91 mExpressions[i]->toString(dest); | |
| 92 } | |
| 93 } | |
| 94 #endif |
