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[Issue jigish#85] add shell operation
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Jigish Patel
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Oct 17, 2012
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,39 @@ | ||
| // | ||
| // ShellOperation.h | ||
| // Slate | ||
| // | ||
| // Created by Jigish Patel on 10/17/12. | ||
| // Copyright 2012 Jigish Patel. All rights reserved. | ||
| // | ||
| // This program is free software: you can redistribute it and/or modify | ||
| // it under the terms of the GNU General Public License as published by | ||
| // the Free Software Foundation, either version 3 of the License, or | ||
| // (at your option) any later version. | ||
| // | ||
| // This program is distributed in the hope that it will be useful, | ||
| // but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
| // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | ||
| // GNU General Public License for more details. | ||
| // | ||
| // You should have received a copy of the GNU General Public License | ||
| // along with this program. If not, see http://www.gnu.org/licenses | ||
|
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| #import "Operation.h" | ||
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| @interface ShellOperation : Operation { | ||
| NSString *command; | ||
| NSArray *args; | ||
| NSString *currentPath; | ||
| BOOL waitForExit; | ||
| } | ||
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| @property NSString *command; | ||
| @property NSArray *args; | ||
| @property NSString *currentPath; | ||
| @property BOOL waitForExit; | ||
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| - (id)initWithCommand:(NSString *)theCommand args:(NSArray *)theArgs waitForExit:(BOOL)theWaitForExit currentPath:(NSString *)theCurrentPath; | ||
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| + (id)shellOperationFromString:(NSString *)shellOperation; | ||
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| @end |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,99 @@ | ||
| // | ||
| // ShellOperation.m | ||
| // Slate | ||
| // | ||
| // Created by Jigish Patel on 10/17/12. | ||
| // Copyright 2012 Jigish Patel. All rights reserved. | ||
| // | ||
| // This program is free software: you can redistribute it and/or modify | ||
| // it under the terms of the GNU General Public License as published by | ||
| // the Free Software Foundation, either version 3 of the License, or | ||
| // (at your option) any later version. | ||
| // | ||
| // This program is distributed in the hope that it will be useful, | ||
| // but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
| // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | ||
| // GNU General Public License for more details. | ||
| // | ||
| // You should have received a copy of the GNU General Public License | ||
| // along with this program. If not, see http://www.gnu.org/licenses | ||
|
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| #import "ShellOperation.h" | ||
| #import "Constants.h" | ||
| #import "SlateLogger.h" | ||
| #import "StringTokenizer.h" | ||
| #import "ShellUtils.h" | ||
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| @implementation ShellOperation | ||
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| @synthesize command, args, waitForExit, currentPath; | ||
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| - (id)initWithCommand:(NSString *)theCommand args:(NSArray *)theArgs waitForExit:(BOOL)theWaitForExit currentPath:(NSString *)theCurrentPath { | ||
| self = [super init]; | ||
| if (self) { | ||
| [self setCommand:theCommand]; | ||
| [self setArgs:theArgs]; | ||
| [self setWaitForExit:theWaitForExit]; | ||
| [self setCurrentPath:theCurrentPath]; | ||
| } | ||
| return self; | ||
| } | ||
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| - (BOOL)doOperation { | ||
| SlateLogger(@"----------------- Begin Shell Operation -----------------"); | ||
| // We don't use the passed in AccessibilityWrapper or ScreenWrapper so they are nil. No need to waste time creating them here. | ||
| BOOL success = [self doOperationWithAccessibilityWrapper:nil screenWrapper:nil]; | ||
| SlateLogger(@"----------------- End Shell Operation -----------------"); | ||
| return success; | ||
| } | ||
|
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| - (BOOL)doOperationWithAccessibilityWrapper:(AccessibilityWrapper *)iamnil screenWrapper:(ScreenWrapper *)iamalsonil { | ||
| NSTask *task = [ShellUtils run:[self command] args:[self args] wait:[self waitForExit] path:[self currentPath]]; | ||
| return task != nil; | ||
| } | ||
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| - (BOOL)testOperation { | ||
| return [ShellUtils commandExists:[self command]]; | ||
| } | ||
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| + (id)shellOperationFromString:(NSString *)shellOperation { | ||
| // shell [wait] 'command' | ||
| NSMutableArray *tokens = [[NSMutableArray alloc] initWithCapacity:10]; | ||
| [StringTokenizer tokenize:shellOperation into:tokens quoteChars:[NSCharacterSet characterSetWithCharactersInString:QUOTES]]; | ||
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| if ([tokens count] < 2) { | ||
| SlateLogger(@"ERROR: Invalid Parameters '%@'", shellOperation); | ||
| @throw([NSException exceptionWithName:@"Invalid Parameters" reason:[NSString stringWithFormat:@"Invalid Parameters in '%@'. Shell operations require the following format: shell [wait] 'command'", shellOperation] userInfo:nil]); | ||
| } | ||
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| BOOL waitForExit = NO; | ||
| NSString *currentPath = nil; | ||
| for (NSInteger i = 1; i < [tokens count] - 1; i++) { | ||
| if ([[tokens objectAtIndex:i] isEqualToString:WAIT]) { | ||
| waitForExit = YES; | ||
| } else if ([[tokens objectAtIndex:i] hasPrefix:PATH]) { | ||
| currentPath = [[tokens objectAtIndex:i] stringByReplacingOccurrencesOfString:PATH withString:EMPTY]; | ||
| if ([currentPath hasPrefix:TILDA]) { | ||
| currentPath = [currentPath stringByExpandingTildeInPath]; | ||
| } | ||
| } | ||
| } | ||
| NSString *commandAndArgs = [tokens lastObject]; | ||
| NSMutableArray *commandAndArgsTokens = [NSMutableArray array]; | ||
| [StringTokenizer tokenize:commandAndArgs into:commandAndArgsTokens]; | ||
| if ([commandAndArgsTokens count] < 1) { | ||
| SlateLogger(@"ERROR: Invalid Parameters '%@'", shellOperation); | ||
| @throw([NSException exceptionWithName:@"Invalid Parameters" reason:[NSString stringWithFormat:@"Invalid Parameters in '%@'. Shell operations require the following format: shell [wait] 'command'", shellOperation] userInfo:nil]); | ||
| } | ||
| NSString *command = [commandAndArgsTokens objectAtIndex:0]; | ||
| NSMutableArray *args = [NSMutableArray array]; | ||
| for (NSInteger i = 1; i < [commandAndArgsTokens count]; i++) { | ||
| [args addObject:[commandAndArgsTokens objectAtIndex:i]]; | ||
| } | ||
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| Operation *op = [[ShellOperation alloc] initWithCommand:command args:args waitForExit:waitForExit currentPath:currentPath]; | ||
| return op; | ||
|
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| } | ||
|
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| @end |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,28 @@ | ||
| // | ||
| // ShellUtils.h | ||
| // Slate | ||
| // | ||
| // Created by Jigish Patel on 10/17/12. | ||
| // Copyright 2012 Jigish Patel. All rights reserved. | ||
| // | ||
| // This program is free software: you can redistribute it and/or modify | ||
| // it under the terms of the GNU General Public License as published by | ||
| // the Free Software Foundation, either version 3 of the License, or | ||
| // (at your option) any later version. | ||
| // | ||
| // This program is distributed in the hope that it will be useful, | ||
| // but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
| // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | ||
| // GNU General Public License for more details. | ||
| // | ||
| // You should have received a copy of the GNU General Public License | ||
| // along with this program. If not, see http://www.gnu.org/licenses | ||
|
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| #import <Foundation/Foundation.h> | ||
|
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| @interface ShellUtils : NSObject | ||
|
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| + (BOOL)commandExists:(NSString *)command; | ||
| + (NSTask *)run:(NSString *)command args:(NSArray *)args wait:(BOOL)wait path:(NSString *)path; | ||
|
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| @end |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,81 @@ | ||
| // | ||
| // ShellUtils.m | ||
| // Slate | ||
| // | ||
| // Created by Jigish Patel on 10/17/12. | ||
| // Copyright 2012 Jigish Patel. All rights reserved. | ||
| // | ||
| // This program is free software: you can redistribute it and/or modify | ||
| // it under the terms of the GNU General Public License as published by | ||
| // the Free Software Foundation, either version 3 of the License, or | ||
| // (at your option) any later version. | ||
| // | ||
| // This program is distributed in the hope that it will be useful, | ||
| // but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
| // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | ||
| // GNU General Public License for more details. | ||
| // | ||
| // You should have received a copy of the GNU General Public License | ||
| // along with this program. If not, see http://www.gnu.org/licenses | ||
|
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| #import "ShellUtils.h" | ||
| #import "Constants.h" | ||
|
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| @implementation ShellUtils | ||
|
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| + (BOOL)commandExists:(NSString *)command { | ||
| if (command == nil || [EMPTY isEqualToString:command]) return NO; | ||
| @try { | ||
| NSTask *task; | ||
| task = [[NSTask alloc] init]; | ||
| [task setLaunchPath:@"/usr/bin/command"]; | ||
|
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| NSArray *arguments; | ||
| arguments = [NSArray arrayWithObjects:@"-v", command, nil]; | ||
| [task setArguments:arguments]; | ||
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| NSPipe *pipe; | ||
| pipe = [NSPipe pipe]; | ||
| [task setStandardOutput:pipe]; | ||
| [task setStandardInput:[NSPipe pipe]]; | ||
|
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| NSFileHandle *file; | ||
| file = [pipe fileHandleForReading]; | ||
|
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| [task launch]; | ||
|
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| NSData *data; | ||
| data = [file readDataToEndOfFile]; | ||
|
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| NSString *string; | ||
| string = [[NSString alloc] initWithData: data encoding: NSUTF8StringEncoding]; | ||
| if ([string isEqualToString:EMPTY]) { | ||
| return NO; | ||
| } | ||
| return YES; | ||
| } @catch (id ex) { | ||
| return NO; | ||
| } | ||
| } | ||
|
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| + (NSTask *)run:(NSString *)command args:(NSArray *)args wait:(BOOL)wait path:(NSString *)path { | ||
| NSTask *task; | ||
| task = [[NSTask alloc] init]; | ||
| [task setLaunchPath:command]; | ||
| [task setArguments:args]; | ||
| if (path != nil) [task setCurrentDirectoryPath:path]; | ||
|
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| NSPipe *pipe; | ||
| pipe = [NSPipe pipe]; | ||
| [task setStandardOutput:pipe]; | ||
| [task setStandardInput:[NSPipe pipe]]; | ||
|
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| NSFileHandle *file; | ||
| file = [pipe fileHandleForReading]; | ||
|
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| [task launch]; | ||
| if (wait) [task waitUntilExit]; | ||
| return task; | ||
| } | ||
|
|
||
| @end |
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