/*---------------------------------------------------------------------------------------------
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* Copyright (c) Unity Technologies.
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* Copyright (c) Microsoft Corporation. All rights reserved.
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* Licensed under the MIT License. See License.txt in the project root for license information.
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*--------------------------------------------------------------------------------------------*/
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#import <Cocoa/Cocoa.h>
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#import <Foundation/Foundation.h>
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// 'FSnd' FourCC
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#define keyFileSender 1179872868
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// 16 bit aligned legacy struct - this should total 20 bytes
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typedef struct _SelectionRange
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{
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int16_t unused1; // 0 (not used)
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int16_t lineNum; // line to select (<0 to specify range)
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int32_t startRange; // start of selection range (if line < 0)
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int32_t endRange; // end of selection range (if line < 0)
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int32_t unused2; // 0 (not used)
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int32_t theDate; // modification date/time
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} __attribute__((packed)) SelectionRange;
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static NSString* MakeNSString(const char* str)
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{
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if (!str)
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return NULL;
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NSString* ret = [NSString stringWithUTF8String: str];
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return ret;
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}
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static UInt32 GetCreatorOfThisApp()
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{
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static UInt32 creator = 0;
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if (creator == 0)
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{
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UInt32 type;
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CFBundleGetPackageInfo(CFBundleGetMainBundle(), &type, &creator);
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}
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return creator;
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}
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static BOOL OpenFileAtLineWithAppleEvent(NSRunningApplication *runningApp, NSString* path, int line)
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{
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if (!runningApp)
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return NO;
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NSURL *pathUrl = [NSURL fileURLWithPath: path];
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NSAppleEventDescriptor* targetDescriptor = [NSAppleEventDescriptor
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descriptorWithProcessIdentifier: runningApp.processIdentifier];
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NSAppleEventDescriptor* appleEvent = [NSAppleEventDescriptor
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appleEventWithEventClass: kCoreEventClass
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eventID: kAEOpenDocuments
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targetDescriptor: targetDescriptor
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returnID: kAutoGenerateReturnID
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transactionID: kAnyTransactionID];
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[appleEvent
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setParamDescriptor: [NSAppleEventDescriptor
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descriptorWithDescriptorType: typeFileURL
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data: [[pathUrl absoluteString] dataUsingEncoding: NSUTF8StringEncoding]]
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forKeyword: keyDirectObject];
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UInt32 packageCreator = GetCreatorOfThisApp();
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if (packageCreator == kUnknownType) {
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[appleEvent
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setParamDescriptor: [NSAppleEventDescriptor
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descriptorWithDescriptorType: typeApplicationBundleID
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data: [[[NSBundle mainBundle] bundleIdentifier] dataUsingEncoding: NSUTF8StringEncoding]]
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forKeyword: keyFileSender];
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} else {
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[appleEvent
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setParamDescriptor: [NSAppleEventDescriptor descriptorWithTypeCode: packageCreator]
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forKeyword: keyFileSender];
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}
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if (line != -1) {
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// Add selection range to event
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SelectionRange range;
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range.unused1 = 0;
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range.lineNum = line - 1;
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range.startRange = -1;
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range.endRange = -1;
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range.unused2 = 0;
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range.theDate = -1;
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[appleEvent
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setParamDescriptor: [NSAppleEventDescriptor
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descriptorWithDescriptorType: typeChar
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bytes: &range
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length: sizeof(SelectionRange)]
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forKeyword: keyAEPosition];
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}
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AEDesc reply = { typeNull, NULL };
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OSErr err = AESendMessage(
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[appleEvent aeDesc],
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&reply,
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kAENoReply + kAENeverInteract,
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kAEDefaultTimeout);
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return err == noErr;
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}
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static BOOL ApplicationSupportsQueryOpenedSolution(NSString* appPath)
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{
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NSURL* appUrl = [NSURL fileURLWithPath: appPath];
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NSBundle* bundle = [NSBundle bundleWithURL: appUrl];
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if (!bundle)
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return NO;
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id versionValue = [bundle objectForInfoDictionaryKey: @"CFBundleVersion"];
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if (!versionValue || ![versionValue isKindOfClass: [NSString class]])
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return NO;
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NSString* version = (NSString*)versionValue;
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return [version compare:@"8.6" options:NSNumericSearch] != NSOrderedAscending;
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}
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static NSArray<NSRunningApplication*>* QueryRunningInstances(NSString *appPath)
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{
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NSMutableArray<NSRunningApplication*>* instances = [[NSMutableArray alloc] init];
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NSURL *appUrl = [NSURL fileURLWithPath: appPath];
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for (NSRunningApplication *runningApp in NSWorkspace.sharedWorkspace.runningApplications) {
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if (![runningApp isTerminated] && [runningApp.bundleURL isEqual: appUrl]) {
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[instances addObject: runningApp];
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}
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}
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return instances;
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}
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enum {
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kWorkspaceEventClass = 1448302419, /* 'VSWS' FourCC */
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kCurrentSelectedSolutionPathEventID = 1129534288 /* 'CSSP' FourCC */
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};
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static BOOL TryQueryCurrentSolutionPath(NSRunningApplication* runningApp, NSString** solutionPath)
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{
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NSAppleEventDescriptor* targetDescriptor = [NSAppleEventDescriptor
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descriptorWithProcessIdentifier: runningApp.processIdentifier];
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NSAppleEventDescriptor* appleEvent = [NSAppleEventDescriptor
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appleEventWithEventClass: kWorkspaceEventClass
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eventID: kCurrentSelectedSolutionPathEventID
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targetDescriptor: targetDescriptor
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returnID: kAutoGenerateReturnID
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transactionID: kAnyTransactionID];
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AEDesc aeReply = { 0, };
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OSErr sendResult = AESendMessage(
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[appleEvent aeDesc],
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&aeReply,
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kAEWaitReply | kAENeverInteract,
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kAEDefaultTimeout);
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if (sendResult != noErr) {
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return NO;
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}
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NSAppleEventDescriptor *reply = [[NSAppleEventDescriptor alloc] initWithAEDescNoCopy: &aeReply];
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*solutionPath = [[reply descriptorForKeyword: keyDirectObject] stringValue];
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return *solutionPath != NULL;
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}
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static NSRunningApplication* QueryRunningApplicationOpenedOnSolution(NSString* appPath, NSString* solutionPath)
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{
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BOOL supportsQueryOpenedSolution = ApplicationSupportsQueryOpenedSolution(appPath);
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for (NSRunningApplication *runningApp in QueryRunningInstances(appPath)) {
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// If the currently selected external editor does not support the opened solution apple event
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// then fallback to the previous behavior: take the first opened VSM and open the solution
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if (!supportsQueryOpenedSolution) {
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OpenFileAtLineWithAppleEvent(runningApp, solutionPath, -1);
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return runningApp;
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}
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NSString* currentSolutionPath;
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if (TryQueryCurrentSolutionPath(runningApp, ¤tSolutionPath)) {
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if ([solutionPath isEqual:currentSolutionPath]) {
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return runningApp;
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}
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} else {
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// If VSM doesn't respond to the query opened solution event
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// we fallback to the previous behavior too
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OpenFileAtLineWithAppleEvent(runningApp, solutionPath, -1);
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return runningApp;
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}
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}
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return NULL;
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}
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static NSRunningApplication* LaunchApplicationOnSolution(NSString* appPath, NSString* solutionPath)
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{
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return [[NSWorkspace sharedWorkspace]
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launchApplicationAtURL: [NSURL fileURLWithPath: appPath]
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options: NSWorkspaceLaunchDefault | NSWorkspaceLaunchNewInstance
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configuration: @{
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NSWorkspaceLaunchConfigurationArguments: @[ solutionPath ],
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}
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error: nil];
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}
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static NSRunningApplication* QueryOrLaunchApplication(NSString* appPath, NSString* solutionPath)
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{
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NSRunningApplication* runningApp = QueryRunningApplicationOpenedOnSolution(appPath, solutionPath);
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if (!runningApp)
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runningApp = LaunchApplicationOnSolution(appPath, solutionPath);
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if (runningApp)
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[runningApp activateWithOptions: 0];
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return runningApp;
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}
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BOOL LaunchOrReuseApp(NSString* appPath, NSString* solutionPath, NSRunningApplication** outApp)
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{
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NSRunningApplication* app = QueryOrLaunchApplication(appPath, solutionPath);
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if (outApp)
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*outApp = app;
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return app != NULL;
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}
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BOOL MonoDevelopOpenFile(NSString* appPath, NSString* solutionPath, NSString* filePath, int line)
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{
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NSRunningApplication* runningApp;
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if (!LaunchOrReuseApp(appPath, solutionPath, &runningApp)) {
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return FALSE;
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}
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if (filePath) {
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return OpenFileAtLineWithAppleEvent(runningApp, filePath, line);
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}
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return YES;
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}
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#if BUILD_APP
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int main(int argc, const char** argv)
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{
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if (argc != 5) {
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printf("Usage: AppleEventIntegration appPath solutionPath filePath lineNumber\n");
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return 1;
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}
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const char* appPath = argv[1];
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const char* solutionPath = argv[2];
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const char* filePath = argv[3];
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const int lineNumber = atoi(argv[4]);
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@autoreleasepool
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{
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MonoDevelopOpenFile(MakeNSString(appPath), MakeNSString(solutionPath), MakeNSString(filePath), lineNumber);
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}
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return 0;
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}
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#else
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extern "C"
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{
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BOOL OpenVisualStudio(const char* appPath, const char* solutionPath, const char* filePath, int line)
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{
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return MonoDevelopOpenFile(MakeNSString(appPath), MakeNSString(solutionPath), MakeNSString(filePath), line);
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}
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}
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#endif
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