mirror of
https://github.com/mozilla/gecko-dev.git
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141 lines
3.6 KiB
C++
141 lines
3.6 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim: set ts=8 sts=2 et sw=2 tw=80: */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#include "nsINIParserImpl.h"
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#include "nsINIParser.h"
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#include "nsStringEnumerator.h"
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#include "nsTArray.h"
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#include "mozilla/Attributes.h"
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class nsINIParserImpl final : public nsIINIParser, public nsIINIParserWriter {
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~nsINIParserImpl() = default;
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public:
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NS_DECL_ISUPPORTS
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NS_DECL_NSIINIPARSER
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NS_DECL_NSIINIPARSERWRITER
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nsresult Init(nsIFile* aINIFile) { return mParser.Init(aINIFile); }
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private:
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nsINIParser mParser;
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bool ContainsNull(const nsACString& aStr);
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};
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NS_IMPL_ISUPPORTS(nsINIParserFactory, nsIINIParserFactory)
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NS_IMETHODIMP
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nsINIParserFactory::CreateINIParser(nsIFile* aINIFile, nsIINIParser** aResult) {
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*aResult = nullptr;
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RefPtr<nsINIParserImpl> p(new nsINIParserImpl());
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if (aINIFile) {
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nsresult rv = p->Init(aINIFile);
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if (NS_FAILED(rv)) {
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return rv;
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}
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}
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p.forget(aResult);
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return NS_OK;
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}
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NS_IMPL_ISUPPORTS(nsINIParserImpl, nsIINIParser, nsIINIParserWriter)
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bool nsINIParserImpl::ContainsNull(const nsACString& aStr) {
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return aStr.CountChar('\0') > 0;
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}
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NS_IMETHODIMP
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nsINIParserImpl::GetSections(nsIUTF8StringEnumerator** aResult) {
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nsTArray<nsCString>* strings = new nsTArray<nsCString>;
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nsresult rv = mParser.GetSections([&strings](const char* aSection) {
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strings->AppendElement()->Assign(aSection);
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return true;
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});
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if (NS_SUCCEEDED(rv)) {
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rv = NS_NewAdoptingUTF8StringEnumerator(aResult, strings);
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}
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if (NS_FAILED(rv)) {
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delete strings;
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}
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return rv;
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}
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NS_IMETHODIMP
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nsINIParserImpl::GetKeys(const nsACString& aSection,
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nsIUTF8StringEnumerator** aResult) {
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if (ContainsNull(aSection)) {
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return NS_ERROR_INVALID_ARG;
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}
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nsTArray<nsCString>* strings = new nsTArray<nsCString>;
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nsresult rv =
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mParser.GetStrings(PromiseFlatCString(aSection).get(),
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[&strings](const char* aKey, const char* aValue) {
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strings->AppendElement()->Assign(aKey);
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return true;
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});
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if (NS_SUCCEEDED(rv)) {
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rv = NS_NewAdoptingUTF8StringEnumerator(aResult, strings);
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}
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if (NS_FAILED(rv)) {
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delete strings;
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}
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return rv;
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}
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NS_IMETHODIMP
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nsINIParserImpl::GetString(const nsACString& aSection, const nsACString& aKey,
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nsACString& aResult) {
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if (ContainsNull(aSection) || ContainsNull(aKey)) {
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return NS_ERROR_INVALID_ARG;
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}
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return mParser.GetString(PromiseFlatCString(aSection).get(),
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PromiseFlatCString(aKey).get(), aResult);
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}
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NS_IMETHODIMP
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nsINIParserImpl::InitFromString(const nsACString& aData) {
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return mParser.InitFromString(nsCString(aData));
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}
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NS_IMETHODIMP
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nsINIParserImpl::SetString(const nsACString& aSection, const nsACString& aKey,
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const nsACString& aValue) {
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if (ContainsNull(aSection) || ContainsNull(aKey) || ContainsNull(aValue)) {
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return NS_ERROR_INVALID_ARG;
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}
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return mParser.SetString(PromiseFlatCString(aSection).get(),
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PromiseFlatCString(aKey).get(),
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PromiseFlatCString(aValue).get());
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}
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NS_IMETHODIMP
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nsINIParserImpl::WriteFile(nsIFile* aINIFile) {
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return mParser.WriteToFile(aINIFile);
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}
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NS_IMETHODIMP
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nsINIParserImpl::WriteToString(nsACString& aOutput) {
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aOutput.Truncate();
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mParser.WriteToString(aOutput);
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return NS_OK;
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}
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