124 lines
4.6 KiB
C++
124 lines
4.6 KiB
C++
/* Copyright: © Copyright 2005 Apple Computer, Inc. All rights reserved.
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Disclaimer: IMPORTANT: This Apple software is supplied to you by Apple Computer, Inc.
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("Apple") in consideration of your agreement to the following terms, and your
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use, installation, modification or redistribution of this Apple software
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constitutes acceptance of these terms. If you do not agree with these terms,
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please do not use, install, modify or redistribute this Apple software.
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In consideration of your agreement to abide by the following terms, and subject
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to these terms, Apple grants you a personal, non-exclusive license, under AppleÕs
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copyrights in this original Apple software (the "Apple Software"), to use,
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reproduce, modify and redistribute the Apple Software, with or without
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modifications, in source and/or binary forms; provided that if you redistribute
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the Apple Software in its entirety and without modifications, you must retain
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this notice and the following text and disclaimers in all such redistributions of
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the Apple Software. Neither the name, trademarks, service marks or logos of
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Apple Computer, Inc. may be used to endorse or promote products derived from the
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Apple Software without specific prior written permission from Apple. Except as
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expressly stated in this notice, no other rights or licenses, express or implied,
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are granted by Apple herein, including but not limited to any patent rights that
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may be infringed by your derivative works or by other works in which the Apple
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Software may be incorporated.
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The Apple Software is provided by Apple on an "AS IS" basis. APPLE MAKES NO
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WARRANTIES, EXPRESS OR IMPLIED, INCLUDING WITHOUT LIMITATION THE IMPLIED
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WARRANTIES OF NON-INFRINGEMENT, MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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PURPOSE, REGARDING THE APPLE SOFTWARE OR ITS USE AND OPERATION ALONE OR IN
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COMBINATION WITH YOUR PRODUCTS.
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IN NO EVENT SHALL APPLE BE LIABLE FOR ANY SPECIAL, INDIRECT, INCIDENTAL OR
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CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
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GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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ARISING IN ANY WAY OUT OF THE USE, REPRODUCTION, MODIFICATION AND/OR DISTRIBUTION
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OF THE APPLE SOFTWARE, HOWEVER CAUSED AND WHETHER UNDER THEORY OF CONTRACT, TORT
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(INCLUDING NEGLIGENCE), STRICT LIABILITY OR OTHERWISE, EVEN IF APPLE HAS BEEN
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ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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/*=============================================================================
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CAComponentDescription.cpp
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=============================================================================*/
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#include "CAComponentDescription.h"
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#include <ctype.h>
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extern "C" void CAShowComponentDescription(const ComponentDescription *desc)
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{
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CAComponentDescription::_CAShowComponentDescription (desc, stdout);
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}
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char *StringForOSType (OSType t, char *writeLocation)
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{
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char *p = writeLocation;
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unsigned char str[4], *q = str;
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*(UInt32 *)str = EndianU32_NtoB(t);
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for (int i = 0; i < 4; ++i) {
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if (isprint(*q) && *q != '\\')
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*p++ = *q++;
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else {
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sprintf(p, "\\x%02X", *q++);
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p += 4;
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}
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}
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*p = '\0';
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return writeLocation;
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}
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void CAComponentDescription::_CAShowComponentDescription(const ComponentDescription *desc, FILE* file)
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{
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if (desc)
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{
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char str[24];
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fprintf (file, "ComponentDescription: %s - ", StringForOSType(desc->componentType, str));
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fprintf (file, "%s - ", StringForOSType(desc->componentSubType, str));
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fprintf (file, "%s", StringForOSType(desc->componentManufacturer, str));
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fprintf (file, ", 0x%lX, 0x%lX\n", desc->componentFlags, desc->componentFlagsMask);
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}
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}
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CAComponentDescription::CAComponentDescription (OSType inType, OSType inSubtype, OSType inManu)
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{
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componentType = inType;
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componentSubType = inSubtype;
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componentManufacturer = inManu;
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componentFlags = 0;
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componentFlagsMask = 0;
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}
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bool CAComponentDescription::IsAU () const
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{
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bool flag = IsEffect() || IsMusicDevice() || IsOffline();
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if (flag) return true;
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switch (componentType) {
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case kAudioUnitType_Output:
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case kAudioUnitType_FormatConverter:
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case kAudioUnitType_Mixer:
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return true;
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}
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return false;
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}
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inline bool _MatchTest (const OSType &inTypeA, const OSType &inTypeB)
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{
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return ((inTypeA == inTypeB) || (!inTypeA && !inTypeB) || (inTypeA && !inTypeB) || (!inTypeA && inTypeB));
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}
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bool CAComponentDescription::Matches (const ComponentDescription &desc) const
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{
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bool matches = false;
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// see if the type matches
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matches = _MatchTest (componentType, desc.componentType);
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if (matches)
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matches = _MatchTest (componentSubType, desc.componentSubType);
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if (matches)
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matches = _MatchTest (componentManufacturer, desc.componentManufacturer);
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return matches;
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}
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