xpcom/ds/nsIPersistentProperties2.idl

changeset 0
6474c204b198
     1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/xpcom/ds/nsIPersistentProperties2.idl	Wed Dec 31 06:09:35 2014 +0100
     1.3 @@ -0,0 +1,69 @@
     1.4 +/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
     1.5 +/* This Source Code Form is subject to the terms of the Mozilla Public
     1.6 + * License, v. 2.0. If a copy of the MPL was not distributed with this
     1.7 + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
     1.8 +
     1.9 +#include "nsIProperties.idl"
    1.10 +
    1.11 +interface nsIInputStream;
    1.12 +interface nsIOutputStream;
    1.13 +interface nsISimpleEnumerator;
    1.14 +
    1.15 +[scriptable, uuid(283EE646-1AEF-11D4-98B3-00C04fA0CE9A)]
    1.16 +interface nsIPropertyElement : nsISupports {
    1.17 +  attribute AUTF8String key;
    1.18 +  attribute AString value;
    1.19 +};
    1.20 +
    1.21 +[scriptable, uuid(1A180F60-93B2-11d2-9B8B-00805F8A16D9)]
    1.22 +interface nsIPersistentProperties : nsIProperties
    1.23 +{
    1.24 +  /**
    1.25 +   * load a set of name/value pairs from the input stream
    1.26 +   * names and values should be in UTF8
    1.27 +   */
    1.28 +  void load(in nsIInputStream input);
    1.29 +
    1.30 +  /**
    1.31 +   * output the values to the stream - results will be in UTF8
    1.32 +   */
    1.33 +  void save(in nsIOutputStream output, in AUTF8String header);
    1.34 +
    1.35 +  /**
    1.36 +   * call subclass() to make future calls to load() set the properties
    1.37 +   * in this "superclass" instead
    1.38 +   */
    1.39 +  void subclass(in nsIPersistentProperties superclass);
    1.40 +
    1.41 +  /**
    1.42 +   * get an enumeration of nsIPropertyElement objects,
    1.43 +   * which are read-only (i.e. setting properties on the element will
    1.44 +   * not make changes back into the source nsIPersistentProperties
    1.45 +   */
    1.46 +  nsISimpleEnumerator enumerate();
    1.47 +
    1.48 +  /**
    1.49 +   * shortcut to nsIProperty's get() which retrieves a string value
    1.50 +   * directly (and thus faster)
    1.51 +   */
    1.52 +  AString getStringProperty(in AUTF8String key);
    1.53 +
    1.54 +  /**
    1.55 +   * shortcut to nsIProperty's set() which sets a string value
    1.56 +   * directly (and thus faster). If the given property already exists,
    1.57 +   * then the old value will be returned
    1.58 +   */
    1.59 +  AString setStringProperty(in AUTF8String key, in AString value);
    1.60 +};
    1.61 +
    1.62 +
    1.63 +%{C++
    1.64 +
    1.65 +#define NS_IPERSISTENTPROPERTIES_CID \
    1.66 +{ 0x2245e573, 0x9464, 0x11d2, \
    1.67 +  { 0x9b, 0x8b, 0x0, 0x80, 0x5f, 0x8a, 0x16, 0xd9 } }
    1.68 +
    1.69 +#define NS_PERSISTENTPROPERTIES_CONTRACTID "@mozilla.org/persistent-properties;1"
    1.70 +
    1.71 +%}
    1.72 +

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