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/* -*- Mode: IDL; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*-
*
* ***** 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.org code.
*
* The Initial Developer of the Original Code is
* Netscape Communications Corporation.
* Portions created by the Initial Developer are Copyright (C) 1998
* the Initial Developer. All Rights Reserved.
*
* Contributor(s):
* John Bandhauer <jband@netscape.com>
*
* Alternatively, the contents of this file may be used under the terms of
* either of 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 ***** */
/* The long avoided variant support for xpcom. */
#include "nsISupports.idl"
[scriptable,uuid(4d12e540-83d7-11d5-90ed-0010a4e73d9a)]
interface nsIDataType : nsISupports
{
// These MUST match the declarations in xpt_struct.h.
// Otherwise the world is likely to explode.
// From xpt_struct.h ...
const PRUint16 VTYPE_INT8 = 0; // TD_INT8 = 0,
const PRUint16 VTYPE_INT16 = 1; // TD_INT16 = 1,
const PRUint16 VTYPE_INT32 = 2; // TD_INT32 = 2,
const PRUint16 VTYPE_INT64 = 3; // TD_INT64 = 3,
const PRUint16 VTYPE_UINT8 = 4; // TD_UINT8 = 4,
const PRUint16 VTYPE_UINT16 = 5; // TD_UINT16 = 5,
const PRUint16 VTYPE_UINT32 = 6; // TD_UINT32 = 6,
const PRUint16 VTYPE_UINT64 = 7; // TD_UINT64 = 7,
const PRUint16 VTYPE_FLOAT = 8; // TD_FLOAT = 8,
const PRUint16 VTYPE_DOUBLE = 9; // TD_DOUBLE = 9,
const PRUint16 VTYPE_BOOL = 10; // TD_BOOL = 10,
const PRUint16 VTYPE_CHAR = 11; // TD_CHAR = 11,
const PRUint16 VTYPE_WCHAR = 12; // TD_WCHAR = 12,
const PRUint16 VTYPE_VOID = 13; // TD_VOID = 13,
const PRUint16 VTYPE_ID = 14; // TD_PNSIID = 14,
const PRUint16 VTYPE_DOMSTRING = 15; // TD_DOMSTRING = 15,
const PRUint16 VTYPE_CHAR_STR = 16; // TD_PSTRING = 16,
const PRUint16 VTYPE_WCHAR_STR = 17; // TD_PWSTRING = 17,
const PRUint16 VTYPE_INTERFACE = 18; // TD_INTERFACE_TYPE = 18,
const PRUint16 VTYPE_INTERFACE_IS = 19; // TD_INTERFACE_IS_TYPE = 19,
const PRUint16 VTYPE_ARRAY = 20; // TD_ARRAY = 20,
const PRUint16 VTYPE_STRING_SIZE_IS = 21; // TD_PSTRING_SIZE_IS = 21,
const PRUint16 VTYPE_WSTRING_SIZE_IS = 22; // TD_PWSTRING_SIZE_IS = 22,
const PRUint16 VTYPE_UTF8STRING = 23; // TD_UTF8STRING = 23,
const PRUint16 VTYPE_CSTRING = 24; // TD_CSTRING = 24,
const PRUint16 VTYPE_ASTRING = 25; // TD_ASTRING = 25,
const PRUint16 VTYPE_EMPTY_ARRAY = 254;
const PRUint16 VTYPE_EMPTY = 255;
};
/**
* XPConnect has magic to transparently convert between nsIVariant and JS types.
* We mark the interface [scriptable] so that JS can use methods
* that refer to this interface. But we mark all the methods and attributes
* [noscript] since any nsIVariant object will be automatically converted to a
* JS type anyway.
*/
[scriptable, uuid(6c9eb060-8c6a-11d5-90f3-0010a4e73d9a)]
interface nsIVariant : nsISupports
{
[noscript] readonly attribute PRUint16 dataType;
[noscript] PRUint8 getAsInt8();
[noscript] PRInt16 getAsInt16();
[noscript] PRInt32 getAsInt32();
[noscript] PRInt64 getAsInt64();
[noscript] PRUint8 getAsUint8();
[noscript] PRUint16 getAsUint16();
[noscript] PRUint32 getAsUint32();
[noscript] PRUint64 getAsUint64();
[noscript] float getAsFloat();
[noscript] double getAsDouble();
[noscript] PRBool getAsBool();
[noscript] char getAsChar();
[noscript] wchar getAsWChar();
[notxpcom] nsresult getAsID(out nsID retval);
[noscript] AString getAsAString();
[noscript] DOMString getAsDOMString();
[noscript] ACString getAsACString();
[noscript] AUTF8String getAsAUTF8String();
[noscript] string getAsString();
[noscript] wstring getAsWString();
[noscript] nsISupports getAsISupports();
[noscript] void getAsInterface(out nsIIDPtr iid,
[iid_is(iid), retval] out nsQIResult iface);
[notxpcom] nsresult getAsArray(out PRUint16 type, out nsIID iid,
out PRUint32 count, out voidPtr ptr);
[noscript] void getAsStringWithSize(out PRUint32 size,
[size_is(size), retval] out string str);
[noscript] void getAsWStringWithSize(out PRUint32 size,
[size_is(size), retval] out wstring str);
};
/**
* An object that implements nsIVariant may or may NOT also implement this
* nsIWritableVariant.
*
* If the 'writable' attribute is false then attempts to call any of the 'set'
* methods can be expected to fail. Setting the 'writable' attribute may or
* may not succeed.
*
*/
[scriptable, uuid(5586a590-8c82-11d5-90f3-0010a4e73d9a)]
interface nsIWritableVariant : nsIVariant
{
attribute PRBool writable;
void setAsInt8(in PRUint8 aValue);
void setAsInt16(in PRInt16 aValue);
void setAsInt32(in PRInt32 aValue);
void setAsInt64(in PRInt64 aValue);
void setAsUint8(in PRUint8 aValue);
void setAsUint16(in PRUint16 aValue);
void setAsUint32(in PRUint32 aValue);
void setAsUint64(in PRUint64 aValue);
void setAsFloat(in float aValue);
void setAsDouble(in double aValue);
void setAsBool(in PRBool aValue);
void setAsChar(in char aValue);
void setAsWChar(in wchar aValue);
void setAsID(in nsIDRef aValue);
void setAsAString(in AString aValue);
void setAsDOMString(in DOMString aValue);
void setAsACString(in ACString aValue);
void setAsAUTF8String(in AUTF8String aValue);
void setAsString(in string aValue);
void setAsWString(in wstring aValue);
void setAsISupports(in nsISupports aValue);
void setAsInterface(in nsIIDRef iid,
[iid_is(iid)] in nsQIResult iface);
[noscript] void setAsArray(in PRUint16 type, in nsIIDPtr iid,
in PRUint32 count, in voidPtr ptr);
void setAsStringWithSize(in PRUint32 size,
[size_is(size)] in string str);
void setAsWStringWithSize(in PRUint32 size,
[size_is(size)] in wstring str);
void setAsVoid();
void setAsEmpty();
void setAsEmptyArray();
void setFromVariant(in nsIVariant aValue);
};
%{C++
// The contractID for the generic implementation built in to xpcom.
#define NS_VARIANT_CONTRACTID "@mozilla.org/variant;1"
%}
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