1 files changed, 144 insertions, 0 deletions
diff --git a/xpcom/ds/nsINIParserImpl.cpp b/xpcom/ds/nsINIParserImpl.cpp
new file mode 100644
index 0000000000..33584d3566
--- /dev/null
+++ b/xpcom/ds/nsINIParserImpl.cpp
@@ -0,0 +1,144 @@
+/* -*- 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);
+}