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Diffstat (limited to 'xpcom/ds/nsIVariant.idl')
| -rw-r--r-- | xpcom/ds/nsIVariant.idl | 155 |
1 files changed, 155 insertions, 0 deletions
diff --git a/xpcom/ds/nsIVariant.idl b/xpcom/ds/nsIVariant.idl new file mode 100644 index 000000000..ef5528463 --- /dev/null +++ b/xpcom/ds/nsIVariant.idl @@ -0,0 +1,155 @@ +/* -*- Mode: IDL; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- + * + * 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/. */ + +/* 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 uint16_t VTYPE_INT8 = 0; // TD_INT8 = 0, + const uint16_t VTYPE_INT16 = 1; // TD_INT16 = 1, + const uint16_t VTYPE_INT32 = 2; // TD_INT32 = 2, + const uint16_t VTYPE_INT64 = 3; // TD_INT64 = 3, + const uint16_t VTYPE_UINT8 = 4; // TD_UINT8 = 4, + const uint16_t VTYPE_UINT16 = 5; // TD_UINT16 = 5, + const uint16_t VTYPE_UINT32 = 6; // TD_UINT32 = 6, + const uint16_t VTYPE_UINT64 = 7; // TD_UINT64 = 7, + const uint16_t VTYPE_FLOAT = 8; // TD_FLOAT = 8, + const uint16_t VTYPE_DOUBLE = 9; // TD_DOUBLE = 9, + const uint16_t VTYPE_BOOL = 10; // TD_BOOL = 10, + const uint16_t VTYPE_CHAR = 11; // TD_CHAR = 11, + const uint16_t VTYPE_WCHAR = 12; // TD_WCHAR = 12, + const uint16_t VTYPE_VOID = 13; // TD_VOID = 13, + const uint16_t VTYPE_ID = 14; // TD_PNSIID = 14, + const uint16_t VTYPE_DOMSTRING = 15; // TD_DOMSTRING = 15, + const uint16_t VTYPE_CHAR_STR = 16; // TD_PSTRING = 16, + const uint16_t VTYPE_WCHAR_STR = 17; // TD_PWSTRING = 17, + const uint16_t VTYPE_INTERFACE = 18; // TD_INTERFACE_TYPE = 18, + const uint16_t VTYPE_INTERFACE_IS = 19; // TD_INTERFACE_IS_TYPE = 19, + const uint16_t VTYPE_ARRAY = 20; // TD_ARRAY = 20, + const uint16_t VTYPE_STRING_SIZE_IS = 21; // TD_PSTRING_SIZE_IS = 21, + const uint16_t VTYPE_WSTRING_SIZE_IS = 22; // TD_PWSTRING_SIZE_IS = 22, + const uint16_t VTYPE_UTF8STRING = 23; // TD_UTF8STRING = 23, + const uint16_t VTYPE_CSTRING = 24; // TD_CSTRING = 24, + const uint16_t VTYPE_ASTRING = 25; // TD_ASTRING = 25, + const uint16_t VTYPE_EMPTY_ARRAY = 254; + const uint16_t 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(81e4c2de-acac-4ad6-901a-b5fb1b851a0d)] +interface nsIVariant : nsISupports +{ + [noscript] readonly attribute uint16_t dataType; + + [noscript] uint8_t getAsInt8(); + [noscript] int16_t getAsInt16(); + [noscript] int32_t getAsInt32(); + [noscript] int64_t getAsInt64(); + [noscript] uint8_t getAsUint8(); + [noscript] uint16_t getAsUint16(); + [noscript] uint32_t getAsUint32(); + [noscript] uint64_t getAsUint64(); + [noscript] float getAsFloat(); + [noscript] double getAsDouble(); + [noscript] boolean 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] jsval getAsJSVal(); + + [noscript] void getAsInterface(out nsIIDPtr iid, + [iid_is(iid), retval] out nsQIResult iface); + + [notxpcom] nsresult getAsArray(out uint16_t type, out nsIID iid, + out uint32_t count, out voidPtr ptr); + + [noscript] void getAsStringWithSize(out uint32_t size, + [size_is(size), retval] out string str); + + [noscript] void getAsWStringWithSize(out uint32_t 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 boolean writable; + + void setAsInt8(in uint8_t aValue); + void setAsInt16(in int16_t aValue); + void setAsInt32(in int32_t aValue); + void setAsInt64(in int64_t aValue); + void setAsUint8(in uint8_t aValue); + void setAsUint16(in uint16_t aValue); + void setAsUint32(in uint32_t aValue); + void setAsUint64(in uint64_t aValue); + void setAsFloat(in float aValue); + void setAsDouble(in double aValue); + void setAsBool(in boolean 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 uint16_t type, in nsIIDPtr iid, + in uint32_t count, in voidPtr ptr); + + void setAsStringWithSize(in uint32_t size, + [size_is(size)] in string str); + + void setAsWStringWithSize(in uint32_t 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" +%} |