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580 lines
14 KiB
580 lines
14 KiB
5 years ago
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/*
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File: AEHelpers.h
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Contains: AEPrint, AEBuild and AEStream for Carbon
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Version: QuickTime 7.3
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Copyright: (c) 2007 (c) 1999-2001 by Apple Computer, Inc., all rights reserved.
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Bugs?: For bug reports, consult the following page on
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the World Wide Web:
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http://developer.apple.com/bugreporter/
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*/
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/*
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* Originally from AEGIzmos by Jens Alfke, circa 1992.
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*/
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#ifndef __AEHELPERS__
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#define __AEHELPERS__
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#ifndef __APPLEEVENTS__
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#include <AppleEvents.h>
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#endif
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#ifndef __AEDATAMODEL__
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#include <AEDataModel.h>
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#endif
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#include <stdarg.h>
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#if PRAGMA_ONCE
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#pragma once
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#endif
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#ifdef __cplusplus
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extern "C" {
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#endif
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#if PRAGMA_IMPORT
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#pragma import on
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#endif
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#if PRAGMA_STRUCT_ALIGN
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#pragma options align=mac68k
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#elif PRAGMA_STRUCT_PACKPUSH
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#pragma pack(push, 2)
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#elif PRAGMA_STRUCT_PACK
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#pragma pack(2)
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#endif
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/*
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* AEBuild:
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*
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* AEBuild provides a very high level abstraction for building
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* complete AppleEvents and complex ObjectSpeciers. Using AEBuild it
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* is easy to produce a textual representation of an AEDesc. The
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* format is similar to the stdio printf call, where meta data is
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* extracted from a format string and used to build the final
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* representation.
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*
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* The structure of the format string is described here:
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*
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* < describe it >
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*/
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/* Syntax Error Codes: */
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typedef UInt32 AEBuildErrorCode;
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enum {
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aeBuildSyntaxNoErr = 0, /* (No error) */
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aeBuildSyntaxBadToken = 1, /* Illegal character */
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aeBuildSyntaxBadEOF = 2, /* Unexpected end of format string */
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aeBuildSyntaxNoEOF = 3, /* Unexpected extra stuff past end */
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aeBuildSyntaxBadNegative = 4, /* "-" not followed by digits */
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aeBuildSyntaxMissingQuote = 5, /* Missing close "'" */
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aeBuildSyntaxBadHex = 6, /* Non-digit in hex string */
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aeBuildSyntaxOddHex = 7, /* Odd # of hex digits */
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aeBuildSyntaxNoCloseHex = 8, /* Missing "." */
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aeBuildSyntaxUncoercedHex = 9, /* Hex string must be coerced to a type */
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aeBuildSyntaxNoCloseString = 10, /* Missing """ */
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aeBuildSyntaxBadDesc = 11, /* Illegal descriptor */
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aeBuildSyntaxBadData = 12, /* Bad data value inside (...) */
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aeBuildSyntaxNoCloseParen = 13, /* Missing ")" after data value */
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aeBuildSyntaxNoCloseBracket = 14, /* Expected "," or "]" */
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aeBuildSyntaxNoCloseBrace = 15, /* Expected "," or "}" */
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aeBuildSyntaxNoKey = 16, /* Missing keyword in record */
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aeBuildSyntaxNoColon = 17, /* Missing ":" after keyword in record */
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aeBuildSyntaxCoercedList = 18, /* Cannot coerce a list */
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aeBuildSyntaxUncoercedDoubleAt = 19 /* "@@" substitution must be coerced */
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};
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/* A structure containing error state.*/
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struct AEBuildError {
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AEBuildErrorCode fError;
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UInt32 fErrorPos;
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};
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typedef struct AEBuildError AEBuildError;
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/*
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Create an AEDesc from the format string. AEBuildError can be NULL, in which case
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no explicit error information will be returned.
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*/
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/*
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* AEBuildDesc()
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*
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* Availability:
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* Non-Carbon CFM: not available
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* CarbonLib: in CarbonLib 1.1 and later
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* Mac OS X: in version 10.0 and later
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*/
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EXTERN_API_C( OSStatus )
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AEBuildDesc(
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AEDesc * dst,
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AEBuildError * error, /* can be NULL */
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const char * src,
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...);
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/* varargs version of AEBuildDesc*/
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/*
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* vAEBuildDesc()
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*
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* Availability:
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* Non-Carbon CFM: not available
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* CarbonLib: in CarbonLib 1.1 and later
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* Mac OS X: in version 10.0 and later
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*/
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EXTERN_API_C( OSStatus )
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vAEBuildDesc(
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AEDesc * dst,
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AEBuildError * error, /* can be NULL */
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const char * src,
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va_list args);
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/* Append parameters to an existing AppleEvent*/
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/*
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* AEBuildParameters()
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*
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* Availability:
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* Non-Carbon CFM: not available
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* CarbonLib: in CarbonLib 1.1 and later
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* Mac OS X: in version 10.0 and later
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*/
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EXTERN_API_C( OSStatus )
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AEBuildParameters(
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AppleEvent * event,
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AEBuildError * error, /* can be NULL */
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const char * format,
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...);
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/* varargs version of AEBuildParameters*/
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/*
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* vAEBuildParameters()
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*
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* Availability:
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* Non-Carbon CFM: not available
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* CarbonLib: in CarbonLib 1.1 and later
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* Mac OS X: in version 10.0 and later
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*/
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EXTERN_API_C( OSStatus )
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vAEBuildParameters(
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AppleEvent * event,
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AEBuildError * error, /* can be NULL */
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const char * format,
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va_list args);
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/* Building an entire Apple event:*/
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/*
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* AEBuildAppleEvent()
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*
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* Availability:
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* Non-Carbon CFM: not available
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* CarbonLib: in CarbonLib 1.1 and later
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* Mac OS X: in version 10.0 and later
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*/
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EXTERN_API_C( OSStatus )
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AEBuildAppleEvent(
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AEEventClass theClass,
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AEEventID theID,
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DescType addressType,
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const void * addressData,
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long addressLength,
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short returnID,
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long transactionID,
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AppleEvent * result,
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AEBuildError * error, /* can be NULL */
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const char * paramsFmt,
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...);
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/* varargs version of AEBuildAppleEvent*/
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/*
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* vAEBuildAppleEvent()
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*
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* Availability:
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* Non-Carbon CFM: not available
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* CarbonLib: in CarbonLib 1.1 and later
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* Mac OS X: in version 10.0 and later
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*/
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EXTERN_API_C( OSStatus )
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vAEBuildAppleEvent(
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AEEventClass theClass,
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AEEventID theID,
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DescType addressType,
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const void * addressData,
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long addressLength,
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short returnID,
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long transactionID,
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AppleEvent * resultEvt,
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AEBuildError * error, /* can be NULL */
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const char * paramsFmt,
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va_list args);
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/*
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* AEPrintDescToHandle
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*
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* AEPrintDescToHandle provides a way to turn an AEDesc into a textual
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* representation. This is most useful for debugging calls to
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* AEBuildDesc and friends. The Handle returned should be disposed by
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* the caller. The size of the handle is the actual number of
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* characters in the string.
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*/
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/*
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* AEPrintDescToHandle()
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*
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* Availability:
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* Non-Carbon CFM: not available
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* CarbonLib: in CarbonLib 1.1 and later
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* Mac OS X: in version 10.0 and later
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*/
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EXTERN_API_C( OSStatus )
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AEPrintDescToHandle(
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const AEDesc * desc,
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Handle * result);
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/*
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* AEStream:
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*
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* The AEStream interface allows you to build AppleEvents by appending
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* to an opaque structure (an AEStreamRef) and then turning this
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* structure into an AppleEvent. The basic idea is to open the
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* stream, write data, and then close it - closing it produces an
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* AEDesc, which may be partially complete, or may be a complete
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* AppleEvent.
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*/
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typedef struct OpaqueAEStreamRef* AEStreamRef;
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/*
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Create and return an AEStreamRef
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Returns NULL on memory allocation failure
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*/
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/*
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* AEStreamOpen()
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*
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* Availability:
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* Non-Carbon CFM: not available
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* CarbonLib: in CarbonLib 1.1 and later
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* Mac OS X: in version 10.0 and later
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*/
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EXTERN_API_C( AEStreamRef )
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AEStreamOpen(void);
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/*
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Closes and disposes of an AEStreamRef, producing
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results in the desc. You must dispose of the desc yourself.
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If you just want to dispose of the AEStreamRef, you can pass NULL for desc.
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*/
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/*
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* AEStreamClose()
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*
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* Availability:
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* Non-Carbon CFM: not available
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* CarbonLib: in CarbonLib 1.1 and later
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* Mac OS X: in version 10.0 and later
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*/
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EXTERN_API_C( OSStatus )
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AEStreamClose(
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AEStreamRef ref,
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AEDesc * desc);
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/*
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Prepares an AEStreamRef for appending data to a newly created desc.
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You append data with AEStreamWriteData
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*/
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/*
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* AEStreamOpenDesc()
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*
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* Availability:
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* Non-Carbon CFM: not available
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* CarbonLib: in CarbonLib 1.1 and later
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* Mac OS X: in version 10.0 and later
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*/
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EXTERN_API_C( OSStatus )
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AEStreamOpenDesc(
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AEStreamRef ref,
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DescType newType);
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/* Append data to the previously opened desc.*/
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/*
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* AEStreamWriteData()
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*
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* Availability:
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* Non-Carbon CFM: not available
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* CarbonLib: in CarbonLib 1.1 and later
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* Mac OS X: in version 10.0 and later
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*/
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EXTERN_API_C( OSStatus )
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AEStreamWriteData(
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AEStreamRef ref,
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const void * data,
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Size length);
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/*
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Finish a desc. After this, you can close the stream, or adding new
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descs, if you're assembling a list.
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*/
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/*
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* AEStreamCloseDesc()
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*
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* Availability:
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* Non-Carbon CFM: not available
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* CarbonLib: in CarbonLib 1.1 and later
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* Mac OS X: in version 10.0 and later
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*/
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EXTERN_API_C( OSStatus )
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AEStreamCloseDesc(AEStreamRef ref);
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/* Write data as a desc to the stream*/
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/*
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* AEStreamWriteDesc()
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*
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* Availability:
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* Non-Carbon CFM: not available
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* CarbonLib: in CarbonLib 1.1 and later
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* Mac OS X: in version 10.0 and later
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*/
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EXTERN_API_C( OSStatus )
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AEStreamWriteDesc(
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AEStreamRef ref,
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DescType newType,
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const void * data,
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Size length);
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/* Write an entire desc to the stream*/
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/*
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* AEStreamWriteAEDesc()
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*
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* Availability:
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* Non-Carbon CFM: not available
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|
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* CarbonLib: in CarbonLib 1.1 and later
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* Mac OS X: in version 10.0 and later
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*/
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EXTERN_API_C( OSStatus )
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AEStreamWriteAEDesc(
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AEStreamRef ref,
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const AEDesc * desc);
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/*
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Begin a list. You can then append to the list by doing
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AEStreamOpenDesc, or AEStreamWriteDesc.
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*/
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/*
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* AEStreamOpenList()
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*
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||
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* Availability:
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||
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* Non-Carbon CFM: not available
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||
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* CarbonLib: in CarbonLib 1.1 and later
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* Mac OS X: in version 10.0 and later
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*/
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EXTERN_API_C( OSStatus )
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AEStreamOpenList(AEStreamRef ref);
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/* Finish a list.*/
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/*
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* AEStreamCloseList()
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*
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||
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* Availability:
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||
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* Non-Carbon CFM: not available
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||
|
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* CarbonLib: in CarbonLib 1.1 and later
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* Mac OS X: in version 10.0 and later
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*/
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EXTERN_API_C( OSStatus )
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AEStreamCloseList(AEStreamRef ref);
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/*
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||
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Begin a record. A record usually has type 'reco', however, this is
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rather generic, and frequently a different type is used.
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||
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*/
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||
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/*
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||
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* AEStreamOpenRecord()
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||
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*
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||
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* Availability:
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||
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* Non-Carbon CFM: not available
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||
|
|
* CarbonLib: in CarbonLib 1.1 and later
|
||
|
|
* Mac OS X: in version 10.0 and later
|
||
|
|
*/
|
||
|
|
EXTERN_API_C( OSStatus )
|
||
|
|
AEStreamOpenRecord(
|
||
|
|
AEStreamRef ref,
|
||
|
|
DescType newType);
|
||
|
|
|
||
|
|
|
||
|
|
/* Change the type of a record.*/
|
||
|
|
/*
|
||
|
|
* AEStreamSetRecordType()
|
||
|
|
*
|
||
|
|
* Availability:
|
||
|
|
* Non-Carbon CFM: not available
|
||
|
|
* CarbonLib: in CarbonLib 1.1 and later
|
||
|
|
* Mac OS X: in version 10.0 and later
|
||
|
|
*/
|
||
|
|
EXTERN_API_C( OSStatus )
|
||
|
|
AEStreamSetRecordType(
|
||
|
|
AEStreamRef ref,
|
||
|
|
DescType newType);
|
||
|
|
|
||
|
|
|
||
|
|
/* Finish a record*/
|
||
|
|
/*
|
||
|
|
* AEStreamCloseRecord()
|
||
|
|
*
|
||
|
|
* Availability:
|
||
|
|
* Non-Carbon CFM: not available
|
||
|
|
* CarbonLib: in CarbonLib 1.1 and later
|
||
|
|
* Mac OS X: in version 10.0 and later
|
||
|
|
*/
|
||
|
|
EXTERN_API_C( OSStatus )
|
||
|
|
AEStreamCloseRecord(AEStreamRef ref);
|
||
|
|
|
||
|
|
|
||
|
|
/*
|
||
|
|
Add a keyed descriptor to a record. This is analogous to AEPutParamDesc.
|
||
|
|
it can only be used when writing to a record.
|
||
|
|
*/
|
||
|
|
/*
|
||
|
|
* AEStreamWriteKeyDesc()
|
||
|
|
*
|
||
|
|
* Availability:
|
||
|
|
* Non-Carbon CFM: not available
|
||
|
|
* CarbonLib: in CarbonLib 1.1 and later
|
||
|
|
* Mac OS X: in version 10.0 and later
|
||
|
|
*/
|
||
|
|
EXTERN_API_C( OSStatus )
|
||
|
|
AEStreamWriteKeyDesc(
|
||
|
|
AEStreamRef ref,
|
||
|
|
AEKeyword key,
|
||
|
|
DescType newType,
|
||
|
|
const void * data,
|
||
|
|
Size length);
|
||
|
|
|
||
|
|
|
||
|
|
/*
|
||
|
|
OpenDesc for a keyed record entry. You can use AEStreamWriteData
|
||
|
|
after opening a keyed desc.
|
||
|
|
*/
|
||
|
|
/*
|
||
|
|
* AEStreamOpenKeyDesc()
|
||
|
|
*
|
||
|
|
* Availability:
|
||
|
|
* Non-Carbon CFM: not available
|
||
|
|
* CarbonLib: in CarbonLib 1.1 and later
|
||
|
|
* Mac OS X: in version 10.0 and later
|
||
|
|
*/
|
||
|
|
EXTERN_API_C( OSStatus )
|
||
|
|
AEStreamOpenKeyDesc(
|
||
|
|
AEStreamRef ref,
|
||
|
|
AEKeyword key,
|
||
|
|
DescType newType);
|
||
|
|
|
||
|
|
|
||
|
|
/* Write a key to the stream - you can follow this with an AEWriteDesc.*/
|
||
|
|
/*
|
||
|
|
* AEStreamWriteKey()
|
||
|
|
*
|
||
|
|
* Availability:
|
||
|
|
* Non-Carbon CFM: not available
|
||
|
|
* CarbonLib: in CarbonLib 1.1 and later
|
||
|
|
* Mac OS X: in version 10.0 and later
|
||
|
|
*/
|
||
|
|
EXTERN_API_C( OSStatus )
|
||
|
|
AEStreamWriteKey(
|
||
|
|
AEStreamRef ref,
|
||
|
|
AEKeyword key);
|
||
|
|
|
||
|
|
|
||
|
|
/*
|
||
|
|
Create a complete AppleEvent. This creates and returns a new stream.
|
||
|
|
Use this call to populate the meta fields in an AppleEvent record.
|
||
|
|
After this, you can add your records, lists and other parameters.
|
||
|
|
*/
|
||
|
|
/*
|
||
|
|
* AEStreamCreateEvent()
|
||
|
|
*
|
||
|
|
* Availability:
|
||
|
|
* Non-Carbon CFM: not available
|
||
|
|
* CarbonLib: in CarbonLib 1.1 and later
|
||
|
|
* Mac OS X: in version 10.0 and later
|
||
|
|
*/
|
||
|
|
EXTERN_API_C( AEStreamRef )
|
||
|
|
AEStreamCreateEvent(
|
||
|
|
AEEventClass clazz,
|
||
|
|
AEEventID id,
|
||
|
|
DescType targetType,
|
||
|
|
const void * targetData,
|
||
|
|
long targetLength,
|
||
|
|
short returnID,
|
||
|
|
long transactionID);
|
||
|
|
|
||
|
|
|
||
|
|
/*
|
||
|
|
This call lets you augment an existing AppleEvent using the stream
|
||
|
|
APIs. This would be useful, for example, in constructing the reply
|
||
|
|
record in an AppleEvent handler. Note that AEStreamOpenEvent will
|
||
|
|
consume the AppleEvent passed in - you can't access it again until the
|
||
|
|
stream is closed. When you're done building the event, AEStreamCloseStream
|
||
|
|
will reconstitute it.
|
||
|
|
*/
|
||
|
|
/*
|
||
|
|
* AEStreamOpenEvent()
|
||
|
|
*
|
||
|
|
* Availability:
|
||
|
|
* Non-Carbon CFM: not available
|
||
|
|
* CarbonLib: in CarbonLib 1.1 and later
|
||
|
|
* Mac OS X: in version 10.0 and later
|
||
|
|
*/
|
||
|
|
EXTERN_API_C( AEStreamRef )
|
||
|
|
AEStreamOpenEvent(AppleEvent * event);
|
||
|
|
|
||
|
|
|
||
|
|
/* Mark a keyword as being an optional parameter.*/
|
||
|
|
/*
|
||
|
|
* AEStreamOptionalParam()
|
||
|
|
*
|
||
|
|
* Availability:
|
||
|
|
* Non-Carbon CFM: not available
|
||
|
|
* CarbonLib: in CarbonLib 1.1 and later
|
||
|
|
* Mac OS X: in version 10.0 and later
|
||
|
|
*/
|
||
|
|
EXTERN_API_C( OSStatus )
|
||
|
|
AEStreamOptionalParam(
|
||
|
|
AEStreamRef ref,
|
||
|
|
AEKeyword key);
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
#if PRAGMA_STRUCT_ALIGN
|
||
|
|
#pragma options align=reset
|
||
|
|
#elif PRAGMA_STRUCT_PACKPUSH
|
||
|
|
#pragma pack(pop)
|
||
|
|
#elif PRAGMA_STRUCT_PACK
|
||
|
|
#pragma pack()
|
||
|
|
#endif
|
||
|
|
|
||
|
|
#ifdef PRAGMA_IMPORT_OFF
|
||
|
|
#pragma import off
|
||
|
|
#elif PRAGMA_IMPORT
|
||
|
|
#pragma import reset
|
||
|
|
#endif
|
||
|
|
|
||
|
|
#ifdef __cplusplus
|
||
|
|
}
|
||
|
|
#endif
|
||
|
|
|
||
|
|
#endif /* __AEHELPERS__ */
|
||
|
|
|