133 lines
4.5 KiB
C++
133 lines
4.5 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* ***** BEGIN LICENSE BLOCK *****
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* Version: NPL 1.1/GPL 2.0/LGPL 2.1
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*
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* The contents of this file are subject to the Netscape Public License
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* Version 1.1 (the "License"); you may not use this file except in
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* compliance with the License. You may obtain a copy of the License at
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* http://www.mozilla.org/NPL/
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*
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* Software distributed under the License is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
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* for the specific language governing rights and limitations under the
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* License.
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*
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* The Original Code is Mozilla Communicator client code.
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*
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* The Initial Developer of the Original Code is
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* Netscape Communications Corporation.
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* Portions created by the Initial Developer are Copyright (C) 1998
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* the Initial Developer. All Rights Reserved.
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*
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* Contributor(s):
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* David Hyatt <hyatt@netscape.com> (Original Author)
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*
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*
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* Alternatively, the contents of this file may be used under the terms of
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* either the GNU General Public License Version 2 or later (the "GPL"), or
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* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
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* in which case the provisions of the GPL or the LGPL are applicable instead
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* of those above. If you wish to allow use of your version of this file only
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* under the terms of either the GPL or the LGPL, and not to allow others to
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* use your version of this file under the terms of the NPL, indicate your
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* decision by deleting the provisions above and replace them with the notice
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* and other provisions required by the GPL or the LGPL. If you do not delete
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* the provisions above, a recipient may use your version of this file under
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* the terms of any one of the NPL, the GPL or the LGPL.
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*
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* ***** END LICENSE BLOCK ***** */
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#include "nsIAtom.h"
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#include "nsString.h"
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#include "jsapi.h"
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#include "nsIContent.h"
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#include "nsString.h"
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#include "nsUnicharUtils.h"
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#include "nsReadableUtils.h"
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#include "nsXBLProtoImplField.h"
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#include "nsIScriptContext.h"
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MOZ_DECL_CTOR_COUNTER(nsXBLProtoImplField);
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nsXBLProtoImplField::nsXBLProtoImplField(const PRUnichar* aName, const PRUnichar* aReadOnly)
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: nsXBLProtoImplMember(aName),
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mFieldText(nsnull),
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mFieldTextLength(0)
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{
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MOZ_COUNT_CTOR(nsXBLProtoImplField);
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mJSAttributes = JSPROP_ENUMERATE;
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if (aReadOnly) {
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nsAutoString readOnly; readOnly.Assign(*aReadOnly);
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if (readOnly.EqualsIgnoreCase("true"))
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mJSAttributes |= JSPROP_READONLY;
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}
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}
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nsXBLProtoImplField::~nsXBLProtoImplField()
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{
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MOZ_COUNT_DTOR(nsXBLProtoImplField);
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if (mFieldText)
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nsMemory::Free(mFieldText);
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}
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void
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nsXBLProtoImplField::Destroy(PRBool aIsCompiled)
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{
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}
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void
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nsXBLProtoImplField::AppendFieldText(const nsAString& aText)
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{
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if (mFieldText) {
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nsDependentString fieldTextStr(mFieldText, mFieldTextLength);
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const nsAString& newFieldText = fieldTextStr + aText;
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PRUnichar* temp = mFieldText;
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mFieldText = ToNewUnicode(newFieldText);
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mFieldTextLength = newFieldText.Length();
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nsMemory::Free(temp);
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}
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else {
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mFieldText = ToNewUnicode(aText);
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mFieldTextLength = aText.Length();
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}
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}
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nsresult
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nsXBLProtoImplField::InstallMember(nsIScriptContext* aContext, nsIContent* aBoundElement,
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void* aScriptObject, void* aTargetClassObject)
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{
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if (mFieldTextLength == 0)
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return NS_OK; // nothing to do.
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JSContext* cx = (JSContext*) aContext->GetNativeContext();
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JSObject * scriptObject = (JSObject *) aScriptObject;
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NS_ASSERTION(scriptObject, "uh-oh, script Object should NOT be null or bad things will happen");
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if (!scriptObject)
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return NS_ERROR_FAILURE;
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// compile the literal string
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jsval result = nsnull;
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PRBool undefined;
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aContext->EvaluateStringWithValue(nsDependentString(mFieldText,
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mFieldTextLength),
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scriptObject,
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nsnull, nsnull, 0, nsnull,
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(void*) &result, &undefined);
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if (!undefined) {
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// Define the evaluated result as a JS property
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nsDependentString name(mName);
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::JS_DefineUCProperty(cx, scriptObject, NS_REINTERPRET_CAST(const jschar*, mName),
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name.Length(), result,nsnull, nsnull, mJSAttributes);
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}
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return NS_OK;
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}
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nsresult
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nsXBLProtoImplField::CompileMember(nsIScriptContext* aContext, const nsCString& aClassStr,
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void* aClassObject)
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{
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return NS_OK;
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}
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