gecko-dev/xpcom/ds/nsINIParserImpl.cpp
2014-07-09 08:15:21 -07:00

141 lines
3.2 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 "nsINIParser.h"
#include "nsStringEnumerator.h"
#include "nsTArray.h"
#include "mozilla/Attributes.h"
class nsINIParserImpl MOZ_FINAL
: public nsIINIParser
{
~nsINIParserImpl() {}
public:
NS_DECL_ISUPPORTS
NS_DECL_NSIINIPARSER
nsresult Init(nsIFile* aINIFile) { return mParser.Init(aINIFile); }
private:
nsINIParser mParser;
};
NS_IMPL_ISUPPORTS(nsINIParserFactory,
nsIINIParserFactory,
nsIFactory)
NS_IMETHODIMP
nsINIParserFactory::CreateINIParser(nsIFile* aINIFile,
nsIINIParser** aResult)
{
*aResult = nullptr;
nsRefPtr<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)
{
if (NS_WARN_IF(aOuter)) {
return NS_ERROR_NO_AGGREGATION;
}
// We are our own singleton.
return QueryInterface(aIID, aResult);
}
NS_IMETHODIMP
nsINIParserFactory::LockFactory(bool aLock)
{
return NS_OK;
}
NS_IMPL_ISUPPORTS(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);
}