gecko-dev/xpcom/ds/nsINIParserImpl.cpp
2012-07-30 17:20:58 +03:00

135 lines
3.1 KiB
C++

/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#include "nsINIParserImpl.h"
#include "nsIFile.h"
#include "nsINIParser.h"
#include "nsStringEnumerator.h"
#include "nsTArray.h"
#include "mozilla/Attributes.h"
class nsINIParserImpl MOZ_FINAL :
public nsIINIParser
{
public:
NS_DECL_ISUPPORTS
NS_DECL_NSIINIPARSER
nsresult Init(nsIFile* aINIFile) {
return mParser.Init(aINIFile);
}
private:
nsINIParser mParser;
};
NS_IMPL_ISUPPORTS2(nsINIParserFactory,
nsIINIParserFactory,
nsIFactory)
NS_IMETHODIMP
nsINIParserFactory::CreateINIParser(nsIFile* aINIFile,
nsIINIParser* *aResult)
{
*aResult = nullptr;
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(bool aLock)
{
return NS_OK;
}
NS_IMPL_ISUPPORTS1(nsINIParserImpl,
nsIINIParser)
static bool
SectionCB(const char* aSection, void *aClosure)
{
nsTArray<nsCString> *strings = static_cast<nsTArray<nsCString>*>(aClosure);
strings->AppendElement(nsDependentCString(aSection));
return true;
}
NS_IMETHODIMP
nsINIParserImpl::GetSections(nsIUTF8StringEnumerator* *aResult)
{
nsTArray<nsCString> *strings = new nsTArray<nsCString>;
if (!strings)
return NS_ERROR_OUT_OF_MEMORY;
nsresult rv = mParser.GetSections(SectionCB, strings);
if (NS_SUCCEEDED(rv))
rv = NS_NewAdoptingUTF8StringEnumerator(aResult, strings);
if (NS_FAILED(rv))
delete strings;
return rv;
}
static bool
KeyCB(const char* aKey, const char *aValue, void *aClosure)
{
nsTArray<nsCString> *strings = static_cast<nsTArray<nsCString>*>(aClosure);
strings->AppendElement(nsDependentCString(aKey));
return true;
}
NS_IMETHODIMP
nsINIParserImpl::GetKeys(const nsACString& aSection,
nsIUTF8StringEnumerator* *aResult)
{
nsTArray<nsCString> *strings = new nsTArray<nsCString>;
if (!strings)
return NS_ERROR_OUT_OF_MEMORY;
nsresult rv = mParser.GetStrings(PromiseFlatCString(aSection).get(),
KeyCB, strings);
if (NS_SUCCEEDED(rv))
rv = NS_NewAdoptingUTF8StringEnumerator(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);
}