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/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set ts=8 sts=2 et sw=2 tw=80: */
/* 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 final : public nsIINIParser, public nsIINIParserWriter {
~nsINIParserImpl() = default;
public:
NS_DECL_ISUPPORTS
NS_DECL_NSIINIPARSER
NS_DECL_NSIINIPARSERWRITER
nsresult Init(nsIFile* aINIFile) { return mParser.Init(aINIFile); }
private:
nsINIParser mParser;
bool ContainsNull(const nsACString& aStr);
};
NS_IMPL_ISUPPORTS(nsINIParserFactory, nsIINIParserFactory, nsIFactory)
NS_IMETHODIMP
nsINIParserFactory::CreateINIParser(nsIFile* aINIFile, nsIINIParser** aResult) {
*aResult = nullptr;
RefPtr<nsINIParserImpl> p(new nsINIParserImpl());
if (aINIFile) {
nsresult rv = p->Init(aINIFile);
if (NS_FAILED(rv)) {
return rv;
}
}
p.forget(aResult);
return NS_OK;
}
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, nsIINIParserWriter)
bool nsINIParserImpl::ContainsNull(const nsACString& aStr) {
return aStr.CountChar('\0') > 0;
}
static bool SectionCB(const char* aSection, void* aClosure) {
nsTArray<nsCString>* strings = static_cast<nsTArray<nsCString>*>(aClosure);
strings->AppendElement()->Assign(aSection);
return true;
}
NS_IMETHODIMP
nsINIParserImpl::GetSections(nsIUTF8StringEnumerator** aResult) {
nsTArray<nsCString>* strings = new nsTArray<nsCString>;
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()->Assign(aKey);
return true;
}
NS_IMETHODIMP
nsINIParserImpl::GetKeys(const nsACString& aSection,
nsIUTF8StringEnumerator** aResult) {
if (ContainsNull(aSection)) {
return NS_ERROR_INVALID_ARG;
}
nsTArray<nsCString>* strings = new nsTArray<nsCString>;
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) {
if (ContainsNull(aSection) || ContainsNull(aKey)) {
return NS_ERROR_INVALID_ARG;
}
return mParser.GetString(PromiseFlatCString(aSection).get(),
PromiseFlatCString(aKey).get(), aResult);
}
NS_IMETHODIMP
nsINIParserImpl::SetString(const nsACString& aSection, const nsACString& aKey,
const nsACString& aValue) {
if (ContainsNull(aSection) || ContainsNull(aKey) || ContainsNull(aValue)) {
return NS_ERROR_INVALID_ARG;
}
return mParser.SetString(PromiseFlatCString(aSection).get(),
PromiseFlatCString(aKey).get(),
PromiseFlatCString(aValue).get());
}
NS_IMETHODIMP
nsINIParserImpl::WriteFile(nsIFile* aINIFile) {
return mParser.WriteToFile(aINIFile);
}