gecko-dev/xpcom/ds/nsINIParserImpl.cpp

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4.5 KiB
C++

/* ***** BEGIN LICENSE BLOCK *****
* Version: MPL 1.1/GPL 2.0/LGPL 2.1
*
* The contents of this file are subject to the Mozilla Public License Version
* 1.1 (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
* http://www.mozilla.org/MPL/
*
* Software distributed under the License is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
* for the specific language governing rights and limitations under the
* License.
*
* The Original Code is Mozilla XPCOM.
*
* The Initial Developer of the Original Code is
* Benjamin Smedberg <benjamin@smedbergs.us>
*
* Portions created by the Initial Developer are Copyright (C) 2005
* the Mozilla Foundation <http://www.mozilla.org/>. All Rights Reserved.
*
* Contributor(s):
*
* Alternatively, the contents of this file may be used under the terms of
* either the GNU General Public License Version 2 or later (the "GPL"), or
* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
* in which case the provisions of the GPL or the LGPL are applicable instead
* of those above. If you wish to allow use of your version of this file only
* under the terms of either the GPL or the LGPL, and not to allow others to
* use your version of this file under the terms of the MPL, indicate your
* decision by deleting the provisions above and replace them with the notice
* and other provisions required by the GPL or the LGPL. If you do not delete
* the provisions above, a recipient may use your version of this file under
* the terms of any one of the MPL, the GPL or the LGPL.
*
* ***** END LICENSE BLOCK ***** */
#include "nsINIParserImpl.h"
#include "nsILocalFile.h"
#include "nsINIParser.h"
#include "nsStringEnumerator.h"
#include "nsVoidArray.h"
class nsINIParserImpl :
public nsIINIParser
{
public:
NS_DECL_ISUPPORTS
NS_DECL_NSIINIPARSER
nsresult Init(nsILocalFile* aINIFile) {
return mParser.Init(aINIFile);
}
private:
nsINIParser mParser;
};
NS_IMPL_ISUPPORTS2(nsINIParserFactory,
nsIINIParserFactory,
nsIFactory)
NS_IMETHODIMP
nsINIParserFactory::CreateINIParser(nsILocalFile* aINIFile,
nsIINIParser* *aResult)
{
*aResult = nsnull;
nsCOMPtr<nsINIParserImpl> p(new nsINIParserImpl());
if (!p)
return NS_ERROR_OUT_OF_MEMORY;
nsresult rv = p->Init(aINIFile);
if (NS_SUCCEEDED(rv))
NS_ADDREF(*aResult = p);
return rv;
}
NS_IMETHODIMP
nsINIParserFactory::CreateInstance(nsISupports* aOuter,
REFNSIID aIID,
void **aResult)
{
NS_ENSURE_NO_AGGREGATION(aOuter);
// We are our own singleton.
return QueryInterface(aIID, aResult);
}
NS_IMETHODIMP
nsINIParserFactory::LockFactory(PRBool aLock)
{
return NS_OK;
}
NS_IMPL_ISUPPORTS1(nsINIParserImpl,
nsIINIParser)
static PRBool
SectionCB(const char* aSection, void *aClosure)
{
nsCStringArray *strings = static_cast<nsCStringArray*>(aClosure);
strings->AppendCString(nsDependentCString(aSection));
return PR_TRUE;
}
NS_IMETHODIMP
nsINIParserImpl::GetSections(nsIUTF8StringEnumerator* *aResult)
{
nsCStringArray *strings = new nsCStringArray;
if (!strings)
return NS_ERROR_OUT_OF_MEMORY;
nsresult rv = mParser.GetSections(SectionCB, strings);
if (NS_SUCCEEDED(rv))
rv = NS_NewUTF8StringEnumerator(aResult, strings);
if (NS_FAILED(rv))
delete strings;
return rv;
}
static PRBool
KeyCB(const char* aKey, const char *aValue, void *aClosure)
{
nsCStringArray *strings = static_cast<nsCStringArray*>(aClosure);
strings->AppendCString(nsDependentCString(aKey));
return PR_TRUE;
}
NS_IMETHODIMP
nsINIParserImpl::GetKeys(const nsACString& aSection,
nsIUTF8StringEnumerator* *aResult)
{
nsCStringArray *strings = new nsCStringArray;
if (!strings)
return NS_ERROR_OUT_OF_MEMORY;
nsresult rv = mParser.GetStrings(PromiseFlatCString(aSection).get(),
KeyCB, strings);
if (NS_SUCCEEDED(rv))
rv = NS_NewUTF8StringEnumerator(aResult, strings);
if (NS_FAILED(rv))
delete strings;
return rv;
}
NS_IMETHODIMP
nsINIParserImpl::GetString(const nsACString& aSection,
const nsACString& aKey,
nsACString& aResult)
{
return mParser.GetString(PromiseFlatCString(aSection).get(),
PromiseFlatCString(aKey).get(),
aResult);
}