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Diffstat (limited to 'libs/appleutility/CAComponent.cpp')
-rw-r--r-- | libs/appleutility/CAComponent.cpp | 257 |
1 files changed, 257 insertions, 0 deletions
diff --git a/libs/appleutility/CAComponent.cpp b/libs/appleutility/CAComponent.cpp new file mode 100644 index 0000000000..700d9e2b3e --- /dev/null +++ b/libs/appleutility/CAComponent.cpp @@ -0,0 +1,257 @@ +/* Copyright: © Copyright 2005 Apple Computer, Inc. All rights reserved. + + Disclaimer: IMPORTANT: This Apple software is supplied to you by Apple Computer, Inc. + ("Apple") in consideration of your agreement to the following terms, and your + use, installation, modification or redistribution of this Apple software + constitutes acceptance of these terms. If you do not agree with these terms, + please do not use, install, modify or redistribute this Apple software. + + In consideration of your agreement to abide by the following terms, and subject + to these terms, Apple grants you a personal, non-exclusive license, under AppleÕs + copyrights in this original Apple software (the "Apple Software"), to use, + reproduce, modify and redistribute the Apple Software, with or without + modifications, in source and/or binary forms; provided that if you redistribute + the Apple Software in its entirety and without modifications, you must retain + this notice and the following text and disclaimers in all such redistributions of + the Apple Software. Neither the name, trademarks, service marks or logos of + Apple Computer, Inc. may be used to endorse or promote products derived from the + Apple Software without specific prior written permission from Apple. Except as + expressly stated in this notice, no other rights or licenses, express or implied, + are granted by Apple herein, including but not limited to any patent rights that + may be infringed by your derivative works or by other works in which the Apple + Software may be incorporated. + + The Apple Software is provided by Apple on an "AS IS" basis. APPLE MAKES NO + WARRANTIES, EXPRESS OR IMPLIED, INCLUDING WITHOUT LIMITATION THE IMPLIED + WARRANTIES OF NON-INFRINGEMENT, MERCHANTABILITY AND FITNESS FOR A PARTICULAR + PURPOSE, REGARDING THE APPLE SOFTWARE OR ITS USE AND OPERATION ALONE OR IN + COMBINATION WITH YOUR PRODUCTS. + + IN NO EVENT SHALL APPLE BE LIABLE FOR ANY SPECIAL, INDIRECT, INCIDENTAL OR + CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE + GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + ARISING IN ANY WAY OUT OF THE USE, REPRODUCTION, MODIFICATION AND/OR DISTRIBUTION + OF THE APPLE SOFTWARE, HOWEVER CAUSED AND WHETHER UNDER THEORY OF CONTRACT, TORT + (INCLUDING NEGLIGENCE), STRICT LIABILITY OR OTHERWISE, EVEN IF APPLE HAS BEEN + ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. +*/ +/*============================================================================= + CAComponent.cpp + +=============================================================================*/ + +#include "CAComponent.h" +#include "CAComponentDescription.h" +#include "CACFDictionary.h" +#include <stdlib.h> + +CAComponent::CAComponent (const ComponentDescription& inDesc, CAComponent* next) + : mManuName(0), mAUName(0), mCompName(0), mCompInfo (0) +{ + mComp = FindNextComponent ((next ? next->Comp() : NULL), const_cast<ComponentDescription*>(&inDesc)); + if (mComp) + GetComponentInfo (Comp(), &mDesc, NULL, NULL, NULL); + else + memcpy (&mDesc, &inDesc, sizeof(ComponentDescription)); +} + +CAComponent::CAComponent (const Component& comp) + : mComp (comp), + mManuName(0), + mAUName(0), + mCompName(0), + mCompInfo (0) +{ + GetComponentInfo (Comp(), &mDesc, NULL, NULL, NULL); +} + +CAComponent::CAComponent (const ComponentInstance& compInst) + : mComp (Component(compInst)), + mManuName(0), + mAUName(0), + mCompName(0), + mCompInfo (0) +{ + GetComponentInfo (Comp(), &mDesc, NULL, NULL, NULL); +} + +CAComponent::CAComponent (OSType inType, OSType inSubtype, OSType inManu) + : mDesc (inType, inSubtype, inManu), + mManuName(0), mAUName(0), mCompName(0), mCompInfo (0) +{ + mComp = FindNextComponent (NULL, &mDesc); + GetComponentInfo (Comp(), &mDesc, NULL, NULL, NULL); +} + +CAComponent::~CAComponent () +{ + Clear(); +} + +OSStatus CAComponent::GetResourceVersion (UInt32 &outVersion) const +{ + bool versionFound = false; + short componentResFileID = kResFileNotOpened; + OSStatus result; + short thngResourceCount; + + short curRes = CurResFile(); + require_noerr (result = OpenAComponentResFile( mComp, &componentResFileID), home); + require_noerr (result = componentResFileID <= 0, home); + + UseResFile(componentResFileID); + + thngResourceCount = Count1Resources(kComponentResourceType); + + require_noerr (result = ResError(), home); + // only go on if we successfully found at least 1 thng resource + require_noerr (thngResourceCount <= 0 ? -1 : 0, home); + + // loop through all of the Component thng resources trying to + // find one that matches this Component description + for (short i = 0; i < thngResourceCount && (!versionFound); i++) + { + // try to get a handle to this code resource + Handle thngResourceHandle = Get1IndResource(kComponentResourceType, i+1); + if (thngResourceHandle != NULL && ((*thngResourceHandle) != NULL)) + { + if (UInt32(GetHandleSize(thngResourceHandle)) >= sizeof(ExtComponentResource)) + { + ExtComponentResource * componentThng = (ExtComponentResource*) (*thngResourceHandle); + + // check to see if this is the thng resource for the particular Component that we are looking at + // (there often is more than one Component described in the resource) + if ((componentThng->cd.componentType == mDesc.Type()) + && (componentThng->cd.componentSubType == mDesc.SubType()) + && (componentThng->cd.componentManufacturer == mDesc.Manu())) + { + outVersion = componentThng->componentVersion; + versionFound = true; + } + } + ReleaseResource(thngResourceHandle); + } + } + + if (!versionFound) + result = resNotFound; + + UseResFile(curRes); // revert + + if ( componentResFileID != kResFileNotOpened ) + CloseComponentResFile(componentResFileID); + +home: + return result; +} + +void CAComponent::Clear () +{ + if (mManuName) { CFRelease (mManuName); mManuName = 0; } + if (mAUName) { CFRelease (mAUName); mAUName = 0; } + if (mCompName) { CFRelease (mCompName); mCompName = 0; } + if (mCompInfo) { CFRelease (mCompInfo); mCompInfo = 0; } +} + +CAComponent& CAComponent::operator= (const CAComponent& y) +{ + Clear(); + + mComp = y.mComp; + mDesc = y.mDesc; + + if (y.mManuName) { mManuName = y.mManuName; CFRetain (mManuName); } + if (y.mAUName) { mAUName = y.mAUName; CFRetain (mAUName); } + if (y.mCompName) { mCompName = y.mCompName; CFRetain (mCompName); } + if (y.mCompInfo) { mCompInfo = y.mCompInfo; CFRetain (mCompInfo); } + + return *this; +} + +void CAComponent::SetCompNames () const +{ + if (!mCompName) { + Handle h1 = NewHandle(4); + CAComponentDescription desc; + OSStatus err = GetComponentInfo (Comp(), &desc, h1, 0, 0); + + if (err) { DisposeHandle(h1); return; } + + HLock(h1); + char* ptr1 = *h1; + // Get the manufacturer's name... look for the ':' character convention + int len = *ptr1++; + char* displayStr = 0; + + const_cast<CAComponent*>(this)->mCompName = CFStringCreateWithPascalString(NULL, (const unsigned char*)*h1, kCFStringEncodingMacRoman); + + for (int i = 0; i < len; ++i) { + if (ptr1[i] == ':') { // found the name + ptr1[i] = 0; + displayStr = ptr1; + break; + } + } + + if (displayStr) + { + const_cast<CAComponent*>(this)->mManuName = CFStringCreateWithCString(NULL, displayStr, kCFStringEncodingMacRoman); + + //move displayStr ptr past the manu, to the name + // we move the characters down a index, because the handle doesn't have any room + // at the end for the \0 + int i = strlen(displayStr), j = 0; + while (displayStr[++i] == ' ' && i < len) + ; + while (i < len) + displayStr[j++] = displayStr[i++]; + displayStr[j] = 0; + + const_cast<CAComponent*>(this)->mAUName = CFStringCreateWithCString(NULL, displayStr, kCFStringEncodingMacRoman); + } + + DisposeHandle (h1); + } +} + +void CAComponent::SetCompInfo () const +{ + if (!mCompInfo) { + Handle h1 = NewHandle(4); + CAComponentDescription desc; + OSStatus err = GetComponentInfo (Comp(), &desc, 0, h1, 0); + if (err) return; + HLock (h1); + const_cast<CAComponent*>(this)->mCompInfo = CFStringCreateWithPascalString(NULL, (const unsigned char*)*h1, kCFStringEncodingMacRoman); + + DisposeHandle (h1); + } +} + +void _ShowCF (FILE* file, CFStringRef str) +{ + if (CFGetTypeID(str) != CFStringGetTypeID()) { + CFShow(str); + return; + } + + UInt32 len = CFStringGetLength(str); + char* chars = (char*)malloc (len * 2); // give us plenty of room for unichar chars + if (CFStringGetCString (str, chars, len * 2, kCFStringEncodingUTF8)) + fprintf (file, "%s", chars); + else + CFShow (str); + + free (chars); +} + +void CAComponent::Print(FILE* file) const +{ + fprintf (file, "CAComponent: 0x%X", int(Comp())); + if (mManuName) { + fprintf (file, ", Manu:"); _ShowCF (file, mManuName); + if (mAUName) fprintf (file, ", Name:"); _ShowCF (file, mAUName); + } + fprintf (file, ", "); + Desc ().Print(file); +} |