Bug 310590 - Expose scriptable nsIINIParser wrapper for nsINIParser r=darin

git-svn-id: svn://10.0.0.236/trunk@181588 18797224-902f-48f8-a5cc-f745e15eee43

mozilla/xpcom/ds/nsINIParserImpl.cpp

@@ -0,0 +1,166 @@
+/* ***** BEGIN LICENSE BLOCK *****
+ * Version: MPL 1.1/GPL 2.0/LGPL 2.1
+ *
+ * The contents of this file are subject to the Mozilla Public License Version
+ * 1.1 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ * http://www.mozilla.org/MPL/
+ *
+ * Software distributed under the License is distributed on an "AS IS" basis,
+ * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
+ * for the specific language governing rights and limitations under the
+ * License.
+ *
+ * The Original Code is Mozilla XPCOM.
+ *
+ * The Initial Developer of the Original Code is
+ * Benjamin Smedberg <benjamin@smedbergs.us>
+ *
+ * Portions created by the Initial Developer are Copyright (C) 2005
+ * the Mozilla Foundation <http://www.mozilla.org/>. All Rights Reserved.
+ *
+ * Contributor(s):
+ *
+ * Alternatively, the contents of this file may be used under the terms of
+ * either the GNU General Public License Version 2 or later (the "GPL"), or
+ * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
+ * in which case the provisions of the GPL or the LGPL are applicable instead
+ * of those above. If you wish to allow use of your version of this file only
+ * under the terms of either the GPL or the LGPL, and not to allow others to
+ * use your version of this file under the terms of the MPL, indicate your
+ * decision by deleting the provisions above and replace them with the notice
+ * and other provisions required by the GPL or the LGPL. If you do not delete
+ * the provisions above, a recipient may use your version of this file under
+ * the terms of any one of the MPL, the GPL or the LGPL.
+ *
+ * ***** END LICENSE BLOCK ***** */
+
+#include "nsINIParserImpl.h"
+
+#include "nsILocalFile.h"
+
+#include "nsINIParser.h"
+#include "nsStringEnumerator.h"
+#include "nsVoidArray.h"
+
+class nsINIParserImpl :
+  public nsIINIParser
+{
+public:
+  NS_DECL_ISUPPORTS
+  NS_DECL_NSIINIPARSER
+
+  nsresult Init(nsILocalFile* aINIFile) {
+    return mParser.Init(aINIFile);
+  }
+
+private:
+  nsINIParser mParser;
+};
+
+NS_IMPL_ISUPPORTS2(nsINIParserFactory,
+                   nsIINIParserFactory,
+                   nsIFactory)
+
+NS_IMETHODIMP
+nsINIParserFactory::CreateINIParser(nsILocalFile* aINIFile,
+                                    nsIINIParser* *aResult)
+{
+  *aResult = nsnull;
+
+  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(PRBool aLock)
+{
+  return NS_OK;
+}
+
+NS_IMPL_ISUPPORTS1(nsINIParserImpl,
+                   nsIINIParser)
+
+static PRBool
+SectionCB(const char* aSection, void *aClosure)
+{
+  nsCStringArray *strings = NS_STATIC_CAST(nsCStringArray*, aClosure);
+
+  strings->AppendCString(nsDependentCString(aSection));
+  return PR_TRUE;
+}
+
+NS_IMETHODIMP
+nsINIParserImpl::GetSections(nsIUTF8StringEnumerator* *aResult)
+{
+  nsCStringArray *strings = new nsCStringArray;
+  if (!strings)
+    return NS_ERROR_OUT_OF_MEMORY;
+
+  nsresult rv = mParser.GetSections(SectionCB, strings);
+  if (NS_SUCCEEDED(rv))
+    rv = NS_NewUTF8StringEnumerator(aResult, strings);
+
+  if (NS_FAILED(rv))
+    delete strings;
+
+  return rv;
+}
+
+static PRBool
+KeyCB(const char* aKey, const char *aValue, void *aClosure)
+{
+  nsCStringArray *strings = NS_STATIC_CAST(nsCStringArray*, aClosure);
+
+  strings->AppendCString(nsDependentCString(aKey));
+  return PR_TRUE;
+}
+
+NS_IMETHODIMP
+nsINIParserImpl::GetKeys(const nsACString& aSection,
+                         nsIUTF8StringEnumerator* *aResult)
+{
+  nsCStringArray *strings = new nsCStringArray;
+  if (!strings)
+    return NS_ERROR_OUT_OF_MEMORY;
+
+  nsresult rv = mParser.GetStrings(PromiseFlatCString(aSection).get(),
+                                   KeyCB, strings);
+  if (NS_SUCCEEDED(rv))
+    rv = NS_NewUTF8StringEnumerator(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);
+}