The Tor Browser / file comparison
comparison: dom/xslt/xpath/txVariableRefExpr.cpp
dom/xslt/xpath/txVariableRefExpr.cpp
- changeset 0
- 6474c204b198
equal
deleted
inserted
replaced
| -1:000000000000 | 0:365a292b3d5b |
|---|---|
| 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 "nsIAtom.h" | |
| 8 #include "txNodeSet.h" | |
| 9 #include "nsGkAtoms.h" | |
| 10 #include "txIXPathContext.h" | |
| 11 | |
| 12 //-------------------/ | |
| 13 //- VariableRefExpr -/ | |
| 14 //-------------------/ | |
| 15 | |
| 16 /** | |
| 17 * Creates a VariableRefExpr with the given variable name | |
| 18 **/ | |
| 19 VariableRefExpr::VariableRefExpr(nsIAtom* aPrefix, nsIAtom* aLocalName, | |
| 20 int32_t aNSID) | |
| 21 : mPrefix(aPrefix), mLocalName(aLocalName), mNamespace(aNSID) | |
| 22 { | |
| 23 NS_ASSERTION(mLocalName, "VariableRefExpr without local name?"); | |
| 24 if (mPrefix == nsGkAtoms::_empty) | |
| 25 mPrefix = 0; | |
| 26 } | |
| 27 | |
| 28 /** | |
| 29 * Evaluates this Expr based on the given context node and processor state | |
| 30 * @param context the context node for evaluation of this Expr | |
| 31 * @param ps the ContextState containing the stack information needed | |
| 32 * for evaluation | |
| 33 * @return the result of the evaluation | |
| 34 **/ | |
| 35 nsresult | |
| 36 VariableRefExpr::evaluate(txIEvalContext* aContext, txAExprResult** aResult) | |
| 37 { | |
| 38 nsresult rv = aContext->getVariable(mNamespace, mLocalName, *aResult); | |
| 39 if (NS_FAILED(rv)) { | |
| 40 // XXX report error, undefined variable | |
| 41 return rv; | |
| 42 } | |
| 43 return NS_OK; | |
| 44 } | |
| 45 | |
| 46 TX_IMPL_EXPR_STUBS_0(VariableRefExpr, ANY_RESULT) | |
| 47 | |
| 48 bool | |
| 49 VariableRefExpr::isSensitiveTo(ContextSensitivity aContext) | |
| 50 { | |
| 51 return !!(aContext & VARIABLES_CONTEXT); | |
| 52 } | |
| 53 | |
| 54 #ifdef TX_TO_STRING | |
| 55 void | |
| 56 VariableRefExpr::toString(nsAString& aDest) | |
| 57 { | |
| 58 aDest.Append(char16_t('$')); | |
| 59 if (mPrefix) { | |
| 60 nsAutoString prefix; | |
| 61 mPrefix->ToString(prefix); | |
| 62 aDest.Append(prefix); | |
| 63 aDest.Append(char16_t(':')); | |
| 64 } | |
| 65 nsAutoString lname; | |
| 66 mLocalName->ToString(lname); | |
| 67 aDest.Append(lname); | |
| 68 } | |
| 69 #endif |
