Mercurial > projects > dwt-win
annotate dwt/program/Program.d @ 212:ab60f3309436
reverted the char[] to String and use the an alias.
| author | Frank Benoit <benoit@tionex.de> |
|---|---|
| date | Mon, 05 May 2008 00:12:38 +0200 |
| parents | 184ab53b7785 |
| children | 36f5cb12e1a2 |
| rev | line source |
|---|---|
| 191 | 1 /******************************************************************************* |
| 2 * Copyright (c) 2000, 2007 IBM Corporation and others. | |
| 3 * All rights reserved. This program and the accompanying materials | |
| 4 * are made available under the terms of the Eclipse Public License v1.0 | |
| 5 * which accompanies this distribution, and is available at | |
| 6 * http://www.eclipse.org/legal/epl-v10.html | |
| 7 * | |
| 8 * Contributors: | |
| 9 * IBM Corporation - initial API and implementation | |
| 10 * Port to the D Programming language: | |
| 11 * Frank Benoit <benoit@tionex.de> | |
| 12 *******************************************************************************/ | |
| 13 module dwt.program.Program; | |
| 14 | |
| 15 import dwt.DWT; | |
| 16 import dwt.graphics.Image; | |
| 17 import dwt.graphics.ImageData; | |
| 18 import dwt.internal.win32.OS; | |
| 19 | |
| 20 import dwt.dwthelper.utils; | |
| 21 static import tango.text.convert.Utf; | |
| 22 | |
| 23 /** | |
| 24 * Instances of this class represent programs and | |
| 25 * their associated file extensions in the operating | |
| 26 * system. | |
| 27 */ | |
| 28 public final class Program { | |
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29 String name; |
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30 String command; |
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31 String iconName; |
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32 String extension; |
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33 static const String[] ARGUMENTS = ["%1"[], "%l", "%L"]; //$NON-NLS-1$ //$NON-NLS-2$ //$NON-NLS-3$ |
| 191 | 34 |
| 35 /** | |
| 36 * Prevents uninitialized instances from being created outside the package. | |
| 37 */ | |
| 38 this () { | |
| 39 } | |
| 40 | |
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41 static String assocQueryString (int assocStr, TCHAR[] key, bool expand) { |
| 191 | 42 TCHAR[] pszOut = NewTCHARs(0, 1024); |
| 43 uint[1] pcchOut; | |
| 44 pcchOut[0] = pszOut.length; | |
| 45 int result = OS.AssocQueryString(OS.ASSOCF_NOTRUNCATE, assocStr, key.ptr, null, pszOut.ptr, pcchOut.ptr); | |
| 46 if (result is OS.E_POINTER) { | |
| 47 pszOut = NewTCHARs(0, pcchOut [0]); | |
| 48 result = OS.AssocQueryString(OS.ASSOCF_NOTRUNCATE, assocStr, key.ptr, null, pszOut.ptr, pcchOut.ptr); | |
| 49 } | |
| 50 if (result is 0) { | |
| 51 if (!OS.IsWinCE && expand) { | |
| 52 int length_ = OS.ExpandEnvironmentStrings (pszOut.ptr, null, 0); | |
| 53 if (length_ !is 0) { | |
| 54 TCHAR[] lpDst = NewTCHARs (0, length_); | |
| 55 OS.ExpandEnvironmentStrings (pszOut.ptr, lpDst.ptr, length_); | |
| 56 return tango.text.convert.Utf.toString( lpDst[ 0 .. Math.max (0, length_ - 1) ] ); | |
| 57 } else { | |
| 58 return ""; | |
| 59 } | |
| 60 } else { | |
| 61 return tango.text.convert.Utf.toString( pszOut[ 0 .. Math.max (0, pcchOut [0] - 1)]); | |
| 62 } | |
| 63 } | |
| 64 return null; | |
| 65 } | |
| 66 | |
| 67 /** | |
| 68 * Finds the program that is associated with an extension. | |
| 69 * The extension may or may not begin with a '.'. Note that | |
| 70 * a <code>Display</code> must already exist to guarantee that | |
| 71 * this method returns an appropriate result. | |
| 72 * | |
| 73 * @param extension the program extension | |
| 74 * @return the program or <code>null</code> | |
| 75 * | |
| 76 * @exception IllegalArgumentException <ul> | |
| 77 * <li>ERROR_NULL_ARGUMENT when extension is null</li> | |
| 78 * </ul> | |
| 79 */ | |
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80 public static Program findProgram (String extension) { |
| 191 | 81 if (extension is null) DWT.error (DWT.ERROR_NULL_ARGUMENT); |
| 82 if (extension.length is 0) return null; | |
| 83 if (extension.charAt (0) !is '.') extension = "." ~ extension; //$NON-NLS-1$ | |
| 84 /* Use the character encoding for the default locale */ | |
| 85 TCHAR[] key = StrToTCHARs (0, extension, true); | |
| 86 Program program = null; | |
| 87 if (OS.IsWinCE) { | |
| 88 void*[1] phkResult; | |
| 89 if (OS.RegOpenKeyEx ( cast(void*)OS.HKEY_CLASSES_ROOT, key.ptr, 0, OS.KEY_READ, phkResult.ptr) !is 0) { | |
| 90 return null; | |
| 91 } | |
| 92 uint [1] lpcbData; | |
| 93 int result = OS.RegQueryValueEx (phkResult [0], null, null, null, null, lpcbData.ptr); | |
| 94 if (result is 0) { | |
| 95 TCHAR[] lpData = NewTCHARs (0, lpcbData [0] / TCHAR.sizeof); | |
| 96 result = OS.RegQueryValueEx (phkResult [0], null, null, null, cast(ubyte*)lpData.ptr, lpcbData.ptr); | |
| 97 if (result is 0) program = getProgram ( TCHARzToStr( lpData.ptr ), extension); | |
| 98 } | |
| 99 OS.RegCloseKey (phkResult [0]); | |
| 100 } else { | |
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101 String command = assocQueryString (OS.ASSOCSTR_COMMAND, key, true); |
| 191 | 102 if (command !is null) { |
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103 String name = null; |
| 191 | 104 if (name is null) name = assocQueryString (OS.ASSOCSTR_FRIENDLYDOCNAME, key, false); |
| 105 if (name is null) name = assocQueryString (OS.ASSOCSTR_FRIENDLYAPPNAME, key, false); | |
| 106 if (name is null) name = ""; | |
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107 String iconName = assocQueryString (OS.ASSOCSTR_DEFAULTICON, key, true); |
| 191 | 108 if (iconName is null) iconName = ""; |
| 109 program = new Program (); | |
| 110 program.name = name; | |
| 111 program.command = command; | |
| 112 program.iconName = iconName; | |
| 113 program.extension = extension; | |
| 114 } | |
| 115 } | |
| 116 return program; | |
| 117 } | |
| 118 | |
| 119 /** | |
| 120 * Answer all program extensions in the operating system. Note | |
| 121 * that a <code>Display</code> must already exist to guarantee | |
| 122 * that this method returns an appropriate result. | |
| 123 * | |
| 124 * @return an array of extensions | |
| 125 */ | |
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126 public static String [] getExtensions () { |
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127 String [] extensions = new String [1024]; |
| 191 | 128 /* Use the character encoding for the default locale */ |
| 129 TCHAR[] lpName = NewTCHARs (0, 1024); | |
| 130 uint [1] lpcName; lpcName[0] = lpName.length; | |
| 131 FILETIME ft; | |
| 132 int dwIndex = 0, count = 0; | |
| 133 while (OS.RegEnumKeyEx ( cast(void*)OS.HKEY_CLASSES_ROOT, dwIndex, lpName.ptr, lpcName.ptr, null, null, null, &ft) !is OS.ERROR_NO_MORE_ITEMS) { | |
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134 String extension = TCHARsToStr( lpName[0 .. lpcName[0] ]); |
| 191 | 135 lpcName [0] = lpName.length; |
| 136 if (extension.length > 0 && extension.charAt (0) is '.') { | |
| 137 if (count is extensions.length) { | |
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138 String[] newExtensions = new String[]( extensions.length + 1024 ); |
| 191 | 139 System.arraycopy (extensions, 0, newExtensions, 0, extensions.length); |
| 140 extensions = newExtensions; | |
| 141 } | |
| 142 extensions [count++] = extension; | |
| 143 } | |
| 144 dwIndex++; | |
| 145 } | |
| 146 if (count !is extensions.length) { | |
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147 String[] newExtension = new String[]( count ); |
| 191 | 148 System.arraycopy (extensions, 0, newExtension, 0, count); |
| 149 extensions = newExtension; | |
| 150 } | |
| 151 return extensions; | |
| 152 } | |
| 153 | |
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154 static String getKeyValue (String string, bool expand) { |
| 191 | 155 /* Use the character encoding for the default locale */ |
| 156 TCHAR[] key = StrToTCHARs (0, string, true); | |
| 157 void* [1] phkResult; | |
| 158 if (OS.RegOpenKeyEx (cast(void*)OS.HKEY_CLASSES_ROOT, key.ptr, 0, OS.KEY_READ, phkResult.ptr) !is 0) { | |
| 159 return null; | |
| 160 } | |
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161 String result = null; |
| 191 | 162 uint [1] lpcbData; |
| 163 if (OS.RegQueryValueEx (phkResult [0], null, null, null, null, lpcbData.ptr) is 0) { | |
| 164 result = ""; | |
| 165 int length_ = lpcbData [0] / TCHAR.sizeof; | |
| 166 if (length_ !is 0) { | |
| 167 /* Use the character encoding for the default locale */ | |
| 168 TCHAR[] lpData = NewTCHARs (0, length_); | |
| 169 if (OS.RegQueryValueEx (phkResult [0], null, null, null, cast(ubyte*)lpData.ptr, lpcbData.ptr) is 0) { | |
| 170 if (!OS.IsWinCE && expand) { | |
| 171 length_ = OS.ExpandEnvironmentStrings (lpData.ptr, null, 0); | |
| 172 if (length_ !is 0) { | |
| 173 TCHAR[] lpDst = NewTCHARs (0, length_); | |
| 174 OS.ExpandEnvironmentStrings (lpData.ptr, lpDst.ptr, length_); | |
| 175 result = tango.text.convert.Utf.toString ( lpDst[0 .. Math.max (0, length_ - 1) ] ); | |
| 176 } | |
| 177 } else { | |
| 178 length_ = Math.max (0, lpData.length - 1); | |
| 179 result = tango.text.convert.Utf.toString ( lpData[0 .. length_]); | |
| 180 } | |
| 181 } | |
| 182 } | |
| 183 } | |
| 184 if (phkResult [0] !is null) OS.RegCloseKey (phkResult [0]); | |
| 185 return result; | |
| 186 } | |
| 187 | |
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188 static Program getProgram (String key, String extension) { |
| 191 | 189 |
| 190 /* Name */ | |
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191 String name = getKeyValue (key, false); |
| 191 | 192 if (name is null || name.length is 0) { |
| 193 name = key; | |
| 194 } | |
| 195 | |
| 196 /* Command */ | |
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197 String DEFAULT_COMMAND = "\\shell"; //$NON-NLS-1$ |
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198 String defaultCommand = getKeyValue (key ~ DEFAULT_COMMAND, true); |
| 191 | 199 if (defaultCommand is null || defaultCommand.length is 0) defaultCommand = "open"; //$NON-NLS-1$ |
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200 String COMMAND = "\\shell\\" ~ defaultCommand ~ "\\command"; //$NON-NLS-1$ |
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201 String command = getKeyValue (key ~ COMMAND, true); |
| 191 | 202 if (command is null || command.length is 0) return null; |
| 203 | |
| 204 /* Icon */ | |
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205 String DEFAULT_ICON = "\\DefaultIcon"; //$NON-NLS-1$ |
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206 String iconName = getKeyValue (key ~ DEFAULT_ICON, true); |
| 191 | 207 if (iconName is null) iconName = ""; //$NON-NLS-1$ |
| 208 | |
| 209 /* Program */ | |
| 210 Program program = new Program (); | |
| 211 program.name = name; | |
| 212 program.command = command; | |
| 213 program.iconName = iconName; | |
| 214 program.extension = extension; | |
| 215 return program; | |
| 216 } | |
| 217 | |
| 218 /** | |
| 219 * Answers all available programs in the operating system. Note | |
| 220 * that a <code>Display</code> must already exist to guarantee | |
| 221 * that this method returns an appropriate result. | |
| 222 * | |
| 223 * @return an array of programs | |
| 224 */ | |
| 225 public static Program [] getPrograms () { | |
| 226 Program [] programs = new Program [1024]; | |
| 227 /* Use the character encoding for the default locale */ | |
| 228 TCHAR[] lpName = NewTCHARs (0, 1024); | |
| 229 uint [1] lpcName; lpcName[0] = lpName.length; | |
| 230 FILETIME ft; | |
| 231 int dwIndex = 0, count = 0; | |
| 232 while (OS.RegEnumKeyEx (cast(void*)OS.HKEY_CLASSES_ROOT, dwIndex, lpName.ptr, lpcName.ptr, null, null, null, &ft) !is OS.ERROR_NO_MORE_ITEMS) { | |
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233 String path = tango.text.convert.Utf.toString ( lpName[0 .. lpcName [0]]); |
| 191 | 234 lpcName [0] = lpName.length ; |
| 235 Program program = getProgram (path, null); | |
| 236 if (program !is null) { | |
| 237 if (count is programs.length) { | |
| 238 Program [] newPrograms = new Program [programs.length + 1024]; | |
| 239 System.arraycopy (programs, 0, newPrograms, 0, programs.length); | |
| 240 programs = newPrograms; | |
| 241 } | |
| 242 programs [count++] = program; | |
| 243 } | |
| 244 dwIndex++; | |
| 245 } | |
| 246 if (count !is programs.length) { | |
| 247 Program [] newPrograms = new Program [count]; | |
| 248 System.arraycopy (programs, 0, newPrograms, 0, count); | |
| 249 programs = newPrograms; | |
| 250 } | |
| 251 return programs; | |
| 252 } | |
| 253 | |
| 254 /** | |
| 255 * Launches the executable associated with the file in | |
| 256 * the operating system. If the file is an executable, | |
| 257 * then the executable is launched. Note that a <code>Display</code> | |
| 258 * must already exist to guarantee that this method returns | |
| 259 * an appropriate result. | |
| 260 * | |
| 261 * @param fileName the file or program name | |
| 262 * @return <code>true</code> if the file is launched, otherwise <code>false</code> | |
| 263 * | |
| 264 * @exception IllegalArgumentException <ul> | |
| 265 * <li>ERROR_NULL_ARGUMENT when fileName is null</li> | |
| 266 * </ul> | |
| 267 */ | |
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268 public static bool launch (String fileName) { |
| 191 | 269 if (fileName is null) DWT.error (DWT.ERROR_NULL_ARGUMENT); |
| 270 | |
| 271 /* Use the character encoding for the default locale */ | |
| 272 auto hHeap = OS.GetProcessHeap (); | |
| 273 TCHAR[] buffer = StrToTCHARs (0, fileName, true); | |
| 274 int byteCount = buffer.length * TCHAR.sizeof; | |
| 275 auto lpFile = cast(wchar*) OS.HeapAlloc (hHeap, OS.HEAP_ZERO_MEMORY, byteCount); | |
| 276 OS.MoveMemory (lpFile, buffer.ptr, byteCount); | |
| 277 SHELLEXECUTEINFO info; | |
| 278 info.cbSize = SHELLEXECUTEINFO.sizeof; | |
| 279 info.lpFile = lpFile; | |
| 280 info.nShow = OS.SW_SHOW; | |
| 281 bool result = cast(bool) OS.ShellExecuteEx (&info); | |
| 282 if (lpFile !is null) OS.HeapFree (hHeap, 0, lpFile); | |
| 283 return result; | |
| 284 } | |
| 285 | |
| 286 /** | |
| 287 * Executes the program with the file as the single argument | |
| 288 * in the operating system. It is the responsibility of the | |
| 289 * programmer to ensure that the file contains valid data for | |
| 290 * this program. | |
| 291 * | |
| 292 * @param fileName the file or program name | |
| 293 * @return <code>true</code> if the file is launched, otherwise <code>false</code> | |
| 294 * | |
| 295 * @exception IllegalArgumentException <ul> | |
| 296 * <li>ERROR_NULL_ARGUMENT when fileName is null</li> | |
| 297 * </ul> | |
| 298 */ | |
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299 public bool execute (String fileName) { |
| 191 | 300 if (fileName is null) DWT.error (DWT.ERROR_NULL_ARGUMENT); |
| 301 int index = 0; | |
| 302 bool append = true; | |
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303 String prefix = command, suffix = ""; //$NON-NLS-1$ |
| 191 | 304 while (index < ARGUMENTS.length) { |
| 305 int i = command.indexOf (ARGUMENTS [index]); | |
| 306 if (i !is -1) { | |
| 307 append = false; | |
| 308 prefix = command.substring (0, i); | |
| 309 suffix = command.substring (i + ARGUMENTS [index].length , command.length ); | |
| 310 break; | |
| 311 } | |
| 312 index++; | |
| 313 } | |
| 314 if (append) fileName = " \"" ~ fileName ~ "\""; | |
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315 String commandLine = prefix ~ fileName ~ suffix; |
| 191 | 316 auto hHeap = OS.GetProcessHeap (); |
| 317 /* Use the character encoding for the default locale */ | |
| 318 TCHAR[] buffer = StrToTCHARs (0, commandLine, true); | |
| 319 int byteCount = buffer.length * TCHAR.sizeof; | |
| 320 auto lpCommandLine = cast(TCHAR*)OS.HeapAlloc (hHeap, OS.HEAP_ZERO_MEMORY, byteCount); | |
| 321 OS.MoveMemory (lpCommandLine, buffer.ptr, byteCount); | |
| 322 STARTUPINFO lpStartupInfo; | |
| 323 lpStartupInfo.cb = STARTUPINFO.sizeof; | |
| 324 PROCESS_INFORMATION lpProcessInformation; | |
| 325 bool success = cast(bool) OS.CreateProcess (null, lpCommandLine, null, null, false, 0, null, null, &lpStartupInfo, &lpProcessInformation); | |
| 326 if (lpCommandLine !is null) OS.HeapFree (hHeap, 0, lpCommandLine); | |
| 327 if (lpProcessInformation.hProcess !is null) OS.CloseHandle (lpProcessInformation.hProcess); | |
| 328 if (lpProcessInformation.hThread !is null) OS.CloseHandle (lpProcessInformation.hThread); | |
| 329 return success; | |
| 330 } | |
| 331 | |
| 332 /** | |
| 333 * Returns the receiver's image data. This is the icon | |
| 334 * that is associated with the receiver in the operating | |
| 335 * system. | |
| 336 * | |
| 337 * @return the image data for the program, may be null | |
| 338 */ | |
| 339 public ImageData getImageData () { | |
| 340 if (extension !is null) { | |
| 341 SHFILEINFOW shfi; | |
| 342 int flags = OS.SHGFI_ICON | OS.SHGFI_SMALLICON | OS.SHGFI_USEFILEATTRIBUTES; | |
| 343 TCHAR[] pszPath = StrToTCHARs (0, extension, true); | |
| 344 OS.SHGetFileInfo (pszPath.ptr, OS.FILE_ATTRIBUTE_NORMAL, &shfi, SHFILEINFO.sizeof, flags); | |
| 345 if (shfi.hIcon !is null) { | |
| 346 Image image = Image.win32_new (null, DWT.ICON, shfi.hIcon); | |
| 347 ImageData imageData = image.getImageData (); | |
| 348 image.dispose (); | |
| 349 return imageData; | |
| 350 } | |
| 351 } | |
| 352 int nIconIndex = 0; | |
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353 String fileName = iconName; |
| 191 | 354 int index = iconName.indexOf (','); |
| 355 if (index !is -1) { | |
| 356 fileName = iconName.substring (0, index); | |
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357 String iconIndex = iconName.substring (index + 1, iconName.length ).trim (); |
| 191 | 358 try { |
| 359 nIconIndex = Integer.parseInt (iconIndex); | |
| 360 } catch (NumberFormatException e) {} | |
| 361 } | |
| 362 /* Use the character encoding for the default locale */ | |
| 363 TCHAR[] lpszFile = StrToTCHARs (0, fileName, true); | |
| 364 HICON [1] phiconSmall, phiconLarge; | |
| 365 OS.ExtractIconEx (lpszFile.ptr, nIconIndex, phiconLarge.ptr, phiconSmall.ptr, 1); | |
| 366 if (phiconSmall [0] is null) return null; | |
| 367 Image image = Image.win32_new (null, DWT.ICON, phiconSmall [0]); | |
| 368 ImageData imageData = image.getImageData (); | |
| 369 image.dispose (); | |
| 370 return imageData; | |
| 371 } | |
| 372 | |
| 373 /** | |
| 374 * Returns the receiver's name. This is as short and | |
| 375 * descriptive a name as possible for the program. If | |
| 376 * the program has no descriptive name, this string may | |
| 377 * be the executable name, path or empty. | |
| 378 * | |
| 379 * @return the name of the program | |
| 380 */ | |
|
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reverted the char[] to String and use the an alias.
Frank Benoit <benoit@tionex.de>
parents:
197
diff
changeset
|
381 public String getName () { |
| 191 | 382 return name; |
| 383 } | |
| 384 | |
| 385 /** | |
| 386 * Compares the argument to the receiver, and returns true | |
| 387 * if they represent the <em>same</em> object using a class | |
| 388 * specific comparison. | |
| 389 * | |
| 390 * @param other the object to compare with this object | |
| 391 * @return <code>true</code> if the object is the same as this object and <code>false</code> otherwise | |
| 392 * | |
| 393 * @see #hashCode() | |
| 394 */ | |
| 395 public override int opEquals(Object other) { | |
| 396 if (this is other) return true; | |
| 397 if ( auto program = cast(Program)other ) { | |
| 398 return name.equals(program.name) && command.equals(program.command) | |
| 399 && iconName.equals(program.iconName); | |
| 400 } | |
| 401 return false; | |
| 402 } | |
| 403 | |
| 404 /** | |
| 405 * Returns an integer hash code for the receiver. Any two | |
| 406 * objects that return <code>true</code> when passed to | |
| 407 * <code>equals</code> must return the same value for this | |
| 408 * method. | |
| 409 * | |
| 410 * @return the receiver's hash | |
| 411 * | |
| 412 * @see #equals(Object) | |
| 413 */ | |
| 414 public override hash_t toHash() { | |
| 415 return .toHash(name) ^ .toHash(command) ^ .toHash(iconName); | |
| 416 } | |
| 417 | |
| 418 /** | |
| 419 * Returns a string containing a concise, human-readable | |
| 420 * description of the receiver. | |
| 421 * | |
| 422 * @return a string representation of the program | |
| 423 */ | |
|
212
ab60f3309436
reverted the char[] to String and use the an alias.
Frank Benoit <benoit@tionex.de>
parents:
197
diff
changeset
|
424 public String toString () { |
| 191 | 425 return "Program {" ~ name ~ "}"; //$NON-NLS-1$ //$NON-NLS-2$ |
| 426 } | |
| 427 | |
| 428 } |