macintosh_cast.hpp

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/*
    Copyright 2005-2007 Adobe Systems Incorporated
    Distributed under the MIT License (see accompanying file LICENSE_1_0_0.txt
    or a copy at http://stlab.adobe.com/licenses.html)
*/

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#ifndef ADOBE_MACINTOSH_CAST_HPP
#define ADOBE_MACINTOSH_CAST_HPP

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#include <adobe/macintosh_carbon_safe.hpp>

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namespace adobe {

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namespace implementation {

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typedef ::CFTypeID (*get_cftypeid_proc_t)();

template <typename ToType> get_cftypeid_proc_t cftypeid_proc_type();

template <> inline get_cftypeid_proc_t cftypeid_proc_type< ::CFAllocatorRef >()          { return ::CFAllocatorGetTypeID; }
template <> inline get_cftypeid_proc_t cftypeid_proc_type< ::CFArrayRef >()              { return ::CFArrayGetTypeID; }
template <> inline get_cftypeid_proc_t cftypeid_proc_type< ::CFAttributedStringRef >()   { return ::CFAttributedStringGetTypeID; }
template <> inline get_cftypeid_proc_t cftypeid_proc_type< ::CFBagRef >()                { return ::CFBagGetTypeID; }
template <> inline get_cftypeid_proc_t cftypeid_proc_type< ::CFBinaryHeapRef >()         { return ::CFBinaryHeapGetTypeID; }
template <> inline get_cftypeid_proc_t cftypeid_proc_type< ::CFBitVectorRef >()          { return ::CFBitVectorGetTypeID; }
template <> inline get_cftypeid_proc_t cftypeid_proc_type< ::CFBooleanRef >()            { return ::CFBooleanGetTypeID; }
template <> inline get_cftypeid_proc_t cftypeid_proc_type< ::CFBundleRef >()             { return ::CFBundleGetTypeID; }
template <> inline get_cftypeid_proc_t cftypeid_proc_type< ::CFCalendarRef >()           { return ::CFCalendarGetTypeID; }
template <> inline get_cftypeid_proc_t cftypeid_proc_type< ::CFCharacterSetRef >()       { return ::CFCharacterSetGetTypeID; }
template <> inline get_cftypeid_proc_t cftypeid_proc_type< ::CFDataRef >()               { return ::CFDataGetTypeID; }
template <> inline get_cftypeid_proc_t cftypeid_proc_type< ::CFDateFormatterRef >()      { return ::CFDateFormatterGetTypeID; }
template <> inline get_cftypeid_proc_t cftypeid_proc_type< ::CFDateRef >()               { return ::CFDateGetTypeID; }
template <> inline get_cftypeid_proc_t cftypeid_proc_type< ::CFDictionaryRef >()         { return ::CFDictionaryGetTypeID; }
template <> inline get_cftypeid_proc_t cftypeid_proc_type< ::CFLocaleRef >()             { return ::CFLocaleGetTypeID; }
template <> inline get_cftypeid_proc_t cftypeid_proc_type< ::CFMachPortRef >()           { return ::CFMachPortGetTypeID; }
template <> inline get_cftypeid_proc_t cftypeid_proc_type< ::CFMessagePortRef >()        { return ::CFMessagePortGetTypeID; }
template <> inline get_cftypeid_proc_t cftypeid_proc_type< ::CFNotificationCenterRef >() { return ::CFNotificationCenterGetTypeID; }
template <> inline get_cftypeid_proc_t cftypeid_proc_type< ::CFNullRef >()               { return ::CFNullGetTypeID; }
template <> inline get_cftypeid_proc_t cftypeid_proc_type< ::CFNumberFormatterRef >()    { return ::CFNumberFormatterGetTypeID; }
template <> inline get_cftypeid_proc_t cftypeid_proc_type< ::CFNumberRef >()             { return ::CFNumberGetTypeID; }
template <> inline get_cftypeid_proc_t cftypeid_proc_type< ::CFPlugInInstanceRef >()     { return ::CFPlugInInstanceGetTypeID; }
//template <> inline get_cftypeid_proc_t cftypeid_proc_type< ::CFPlugInRef >()             { return ::CFPlugInGetTypeID; }
template <> inline get_cftypeid_proc_t cftypeid_proc_type< ::CFReadStreamRef >()         { return ::CFReadStreamGetTypeID; }
template <> inline get_cftypeid_proc_t cftypeid_proc_type< ::CFRunLoopObserverRef >()    { return ::CFRunLoopObserverGetTypeID; }
template <> inline get_cftypeid_proc_t cftypeid_proc_type< ::CFRunLoopRef >()            { return ::CFRunLoopGetTypeID; }
template <> inline get_cftypeid_proc_t cftypeid_proc_type< ::CFRunLoopSourceRef >()      { return ::CFRunLoopSourceGetTypeID; }
template <> inline get_cftypeid_proc_t cftypeid_proc_type< ::CFRunLoopTimerRef >()       { return ::CFRunLoopTimerGetTypeID; }
template <> inline get_cftypeid_proc_t cftypeid_proc_type< ::CFSetRef >()                { return ::CFSetGetTypeID; }
template <> inline get_cftypeid_proc_t cftypeid_proc_type< ::CFSocketRef >()             { return ::CFSocketGetTypeID; }
template <> inline get_cftypeid_proc_t cftypeid_proc_type< ::CFStringRef >()             { return ::CFStringGetTypeID; }
template <> inline get_cftypeid_proc_t cftypeid_proc_type< ::CFTimeZoneRef >()           { return ::CFTimeZoneGetTypeID; }
template <> inline get_cftypeid_proc_t cftypeid_proc_type< ::CFTreeRef >()               { return ::CFTreeGetTypeID; }
template <> inline get_cftypeid_proc_t cftypeid_proc_type< ::CFURLRef >()                { return ::CFURLGetTypeID; }
template <> inline get_cftypeid_proc_t cftypeid_proc_type< ::CFUserNotificationRef >()   { return ::CFUserNotificationGetTypeID; }
template <> inline get_cftypeid_proc_t cftypeid_proc_type< ::CFUUIDRef >()               { return ::CFUUIDGetTypeID; }
template <> inline get_cftypeid_proc_t cftypeid_proc_type< ::CFWriteStreamRef >()        { return ::CFWriteStreamGetTypeID; }
template <> inline get_cftypeid_proc_t cftypeid_proc_type< ::CFXMLNodeRef >()            { return ::CFXMLNodeGetTypeID; }
template <> inline get_cftypeid_proc_t cftypeid_proc_type< ::CFXMLParserRef >()          { return ::CFXMLParserGetTypeID; }

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} // namespace implementation

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template <typename R>
inline R cf_cast(::CFTypeRef x)
{
    if (x == 0)
        return reinterpret_cast<R>(0);

    ::CFTypeID src_type_id(::CFGetTypeID(x));
    ::CFTypeID dest_type_id(implementation::cftypeid_proc_type<R>()());

    return reinterpret_cast<R>(src_type_id == dest_type_id ? x : 0);
}

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} // namespace adobe

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// ADOBE_MACINTOSH_CAST_HPP
#endif

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