HID_Name_Lookup.c

/*
    File:       HID_Name_Lookup.c
 
    Contains:   Implementation of the HID device name lookup functions for the HID utilites.
    
    DRI: George Warner
 
    Copyright:  Copyright © 2002 Apple Computer, Inc., All Rights Reserved
 
    Disclaimer: IMPORTANT:  This Apple software is supplied to you by Apple Computer, Inc.
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                copyrights in this original Apple software (the "Apple Software"), to use,
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                IN NO EVENT SHALL APPLE BE LIABLE FOR ANY SPECIAL, INDIRECT, INCIDENTAL OR
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*/
 
#include "HID_Utilities_Internal.h"
#include "HID_Name_Lookup.h"
 
#define FAKE_IT 1   // set true for debugging; returns the vendor, product & cookie (or usage info) as numbers.
 
// ---------------------------------
// Load the element strings from the given resource (XML) file into a CFPropertyListRef
static CFPropertyListRef xml_load(const CFStringRef pResourceName,const CFStringRef pResourceExtension)
{
    CFPropertyListRef tCFPropertyListRef = NULL;
    CFURLRef resFileCFURLRef = CFBundleCopyResourceURL(CFBundleGetMainBundle(), pResourceName, pResourceExtension, NULL);
 
    if (NULL != resFileCFURLRef)
    {
        CFDataRef resCFDataRef;
 
        if (CFURLCreateDataAndPropertiesFromResource(kCFAllocatorDefault, resFileCFURLRef, &resCFDataRef, nil, nil, nil))
        {
            if (NULL != resCFDataRef)
            {
                CFStringRef errorString;
 
                tCFPropertyListRef = CFPropertyListCreateFromXMLData(kCFAllocatorDefault, resCFDataRef, kCFPropertyListImmutable, &errorString);
                if (NULL == tCFPropertyListRef)
                    CFShow(errorString);
                CFRelease(resCFDataRef);
            }
        }
        CFRelease(resFileCFURLRef);
    }
    return tCFPropertyListRef;
}
 
// ---------------------------------
// Find an element string in the <HID_cookie_strings.plist> resource (XML) file
static Boolean xml_search_cookie(const long pVendorID, const long pProductID, const long pCookie, char* pCstr)
{
    static CFPropertyListRef tCFPropertyListRef = NULL;
    Boolean results = false;
 
    if (NULL == tCFPropertyListRef)
        tCFPropertyListRef = xml_load(CFSTR("HID_cookie_strings"), CFSTR("plist"));
    if (NULL != tCFPropertyListRef)
    {
        if (CFDictionaryGetTypeID() == CFGetTypeID(tCFPropertyListRef))
        {
            CFDictionaryRef vendorCFDictionaryRef;
            CFStringRef vendorKeyCFStringRef;
            vendorKeyCFStringRef = CFStringCreateWithFormat(kCFAllocatorDefault, NULL, CFSTR("%ld"), pVendorID);
 
            if (CFDictionaryGetValueIfPresent(tCFPropertyListRef, vendorKeyCFStringRef, (const void**) &vendorCFDictionaryRef))
            {
                CFDictionaryRef productCFDictionaryRef;
                CFStringRef productKeyCFStringRef;
                CFStringRef vendorCFStringRef;
 
                if (CFDictionaryGetValueIfPresent(vendorCFDictionaryRef, CFSTR("Name"), (const void**) &vendorCFStringRef))
                {
                    //CFShow(vendorCFStringRef);
                }
                productKeyCFStringRef = CFStringCreateWithFormat(kCFAllocatorDefault, NULL, CFSTR("%ld"), pProductID);
 
                if (CFDictionaryGetValueIfPresent(vendorCFDictionaryRef, productKeyCFStringRef, (const void**) &productCFDictionaryRef))
                {
                    CFStringRef fullCFStringRef = NULL;
                    CFStringRef cookieKeyCFStringRef;
                    CFStringRef productCFStringRef;
                    CFStringRef cookieCFStringRef;
 
                    if (CFDictionaryGetValueIfPresent(productCFDictionaryRef, CFSTR("Name"), (const void**) &productCFStringRef))
                    {
                        //CFShow(productCFStringRef);
                    }
                    cookieKeyCFStringRef = CFStringCreateWithFormat(kCFAllocatorDefault, NULL, CFSTR("%ld"), pCookie);
 
                    if (CFDictionaryGetValueIfPresent(productCFDictionaryRef, cookieKeyCFStringRef, (const void**) &cookieCFStringRef))
                    {
                        fullCFStringRef = CFStringCreateWithFormat(kCFAllocatorDefault, NULL, CFSTR("%@ %@ %@"), 
                                                 vendorCFStringRef, productCFStringRef, cookieCFStringRef);
                        // CFShow(cookieCFStringRef);
                    }
#if FAKE_IT
                    else
                    {
                        fullCFStringRef = CFStringCreateWithFormat(kCFAllocatorDefault, NULL, CFSTR("%@ %@ #%@"), 
                                                 vendorCFStringRef, productCFStringRef, cookieKeyCFStringRef);
                    }
#endif
                    if (fullCFStringRef)
                    {
                        // CFShow(fullCFStringRef);
                        results = CFStringGetCString(
                                   fullCFStringRef, pCstr, CFStringGetLength(fullCFStringRef) * sizeof(UniChar) + 1, kCFStringEncodingMacRoman);
                        CFRelease(fullCFStringRef);
                    }
                    CFRelease(cookieKeyCFStringRef);
                }
                CFRelease(productKeyCFStringRef);
            }
            CFRelease(vendorKeyCFStringRef);
        }
        //++CFRelease(tCFPropertyListRef);  // Leak this!
    }
    return results;
}
 
// ---------------------------------
// Find an element string in the <HID_device_usage_strings.plist> resource (XML) file
static Boolean xml_search_usage(const long pVendorID, const long pProductID, const long pUsagePage, const long pUsage, char* pCstr)
{
    static CFPropertyListRef tCFPropertyListRef = NULL;
    Boolean results = false;
 
    if (NULL == tCFPropertyListRef)
        tCFPropertyListRef = xml_load(CFSTR("HID_device_usage_strings"), CFSTR("plist"));
    if (NULL != tCFPropertyListRef)
    {
        if (CFDictionaryGetTypeID() == CFGetTypeID(tCFPropertyListRef))
        {
            CFDictionaryRef vendorCFDictionaryRef;
            CFStringRef vendorKeyCFStringRef;
            vendorKeyCFStringRef = CFStringCreateWithFormat(kCFAllocatorDefault, NULL, CFSTR("%ld"), pVendorID);
 
            if (CFDictionaryGetValueIfPresent(tCFPropertyListRef, vendorKeyCFStringRef, (const void**) &vendorCFDictionaryRef))
            {
                CFDictionaryRef productCFDictionaryRef;
                CFStringRef productKeyCFStringRef;
                CFStringRef vendorCFStringRef;
 
                if (!CFDictionaryGetValueIfPresent(vendorCFDictionaryRef, CFSTR("Name"), (const void**) &vendorCFStringRef))
                {
                    vendorCFStringRef = CFStringCreateWithFormat(kCFAllocatorDefault, NULL, CFSTR("v: %ld"), pVendorID);
                    //CFShow(vendorCFStringRef);
                }
                productKeyCFStringRef = CFStringCreateWithFormat(kCFAllocatorDefault, NULL, CFSTR("%ld"), pProductID);
 
                if (CFDictionaryGetValueIfPresent(vendorCFDictionaryRef, productKeyCFStringRef, (const void**) &productCFDictionaryRef))
                {
                    CFStringRef fullCFStringRef = NULL;
                    CFStringRef usageKeyCFStringRef;
                    CFStringRef productCFStringRef;
                    CFStringRef usageCFStringRef;
 
                    if (CFDictionaryGetValueIfPresent(productCFDictionaryRef, CFSTR("Name"), (const void**) &productCFStringRef))
                    {
                        //CFShow(productCFStringRef);
                    }
                    usageKeyCFStringRef = CFStringCreateWithFormat(kCFAllocatorDefault, NULL, CFSTR("%ld:%ld"), pUsagePage, pUsage);
 
                    if (CFDictionaryGetValueIfPresent(productCFDictionaryRef, usageKeyCFStringRef, (const void**) &usageCFStringRef))
                    {
                        fullCFStringRef = CFStringCreateWithFormat(kCFAllocatorDefault, NULL, CFSTR("%@ %@ %@"),
                                                 vendorCFStringRef, productCFStringRef, usageCFStringRef);
                        // CFShow(usageCFStringRef);
                    }
#if FAKE_IT
                    else
                    {
                        fullCFStringRef = CFStringCreateWithFormat(kCFAllocatorDefault, NULL, CFSTR("%@ %@ #%@"),
                                                 vendorCFStringRef, productCFStringRef, usageKeyCFStringRef);
                    }
#endif
                    if (fullCFStringRef)
                    {
                        // CFShow(fullCFStringRef);
                        results = CFStringGetCString(
                                   fullCFStringRef, pCstr, CFStringGetLength(fullCFStringRef) * sizeof(UniChar) + 1, kCFStringEncodingMacRoman);
                        CFRelease(fullCFStringRef);
                    }
                    CFRelease(usageKeyCFStringRef);
                }
                CFRelease(productKeyCFStringRef);
            }
            CFRelease(vendorKeyCFStringRef);
        }
        //++CFRelease(tCFPropertyListRef);  // Leak this!
    }
    return results;
}
 
// ---------------------------------
// set name from vendor id/product id look up
Boolean HIDGetElementNameFromVendorProductCookie (const long pVendorID, const long pProductID, const long pCookie, char * pName)
{
    Boolean result = false;
    *pName = 0; // clear name
 
    if (xml_search_cookie(pVendorID, pProductID, pCookie, pName))
        return true;
    
    switch (pVendorID) {
        case kMacally:
            switch (pProductID) {
                case kiShock:
                    result = true;
                    switch (pCookie) {
                        case 3: sprintf(pName, "D-Pad Up"); break;
                        case 4: sprintf(pName, "D-Pad Down"); break;
                        case 5: sprintf(pName, "D-Pad Left"); break;
                        case 6: sprintf(pName, "D-Pad Right"); break;
                        case 7: sprintf(pName, "Up Button"); break;
                        case 8: sprintf(pName, "Right Button"); break;
                        case 9: sprintf(pName, "Down Button"); break;
                        case 10: sprintf(pName, "Left Button"); break;
                        case 11: sprintf(pName, "C Button"); break;
                        case 12: sprintf(pName, "B Button [Select]"); break;
                        case 13: sprintf(pName, "A Button [Start]"); break;
                        case 14: sprintf(pName, "F Button"); break;
                        case 15: sprintf(pName, "R1 Trigger"); break;
                        case 16: sprintf(pName, "R2 Trigger"); break;
                        case 17: sprintf(pName, "L1 Trigger"); break;
                        case 18: sprintf(pName, "L2 Trigger"); break;
                        case 19: sprintf(pName, "Left Stick Button"); break;
                        case 20: sprintf(pName, "Right Stick Button"); break;
                        case 21: sprintf(pName, "D Button"); break;
                        case 22: sprintf(pName, "E Button"); break;
                        case 23: sprintf(pName, "Left Stick X-Axis"); break;
                        case 24: sprintf(pName, "Left Stick Y-Axis"); break;
                        case 25: sprintf(pName, "Right Stick X-Axis"); break;
                        case 26: sprintf(pName, "Right Stick Y-Axis"); break;
                        default:
#if FAKE_IT
                            sprintf(pName, "#{V:Macally, P:iShock, C:%ld}#", pCookie);
#else
                            result = false;
#endif FAKE_IT
                            break;
                    }
                    break;
                default:
#if FAKE_IT
                    sprintf(pName, "#{V:Macally, P:%ld, C:%ld}#", pProductID, pCookie); break;
#else
                    result = false;
#endif FAKE_IT
                    break;
            }
            break;
        case kMacsense:
            switch (pProductID) {
                case kFunPadF107:
                    result = true;
                    switch (pCookie) {
                        case  3: sprintf(pName, "Button 1"); break;
                        case  4: sprintf(pName, "Button 2"); break;
                        case  5: sprintf(pName, "Button 3"); break;
                        case  6: sprintf(pName, "Button 4"); break;
                        case  7: sprintf(pName, "L1 Trigger"); break;
                        case  8: sprintf(pName, "R1 Trigger"); break;
                        case  9: sprintf(pName, "L2 Trigger"); break;
                        case 10: sprintf(pName, "R2 Trigger"); break;
                        case 11: sprintf(pName, "Right Stick X-Axis"); break;
                        case 12: sprintf(pName, "Right Stick Y-Axis"); break;
                        case 13: sprintf(pName, "Left Stick X-Axis"); break;
                        case 14: sprintf(pName, "Left Stick Y-Axis"); break;
                        case 15: sprintf(pName, "Hat Switch"); break;
                        default:
#if FAKE_IT
                            sprintf(pName, "#{V:Macsense, P:FunPad F-107, C:%ld}#", pCookie);
#else
                            result = false;
#endif FAKE_IT
                            break;
                    }
                default:
#if FAKE_IT
                    sprintf(pName, "#{V:Macsense, P:%ld, C:%ld}#", pProductID, pCookie);
#else
                    result = false;
#endif FAKE_IT
                    break;
            }
            break;
        default:
#if FAKE_IT
            sprintf(pName, "#{V:%ld, P:%ld, C:%ld}#", pVendorID, pProductID, pCookie);
#else
            result = false;
#endif FAKE_IT
            break;
    }
    return result;
}
 
 
// ---------------------------------
// set name from vendor id/product id & usage look up
Boolean HIDGetElementNameFromVendorProductUsage (const long pVendorID, const long pProductID, const long pUsagePage, const long pUsage, char * pName)
{
    Boolean result = false;
    *pName = 0; // clear name
 
    if (xml_search_usage(pVendorID, pProductID, pUsagePage, pUsage, pName))
        return true;
 
#if FAKE_IT
    sprintf(pName, "#{V:%ld, P:%ld, U:%ld:%ld}#", pVendorID, pProductID, pUsagePage, pUsage);
    result = true;
#endif
    
    return result;
}