Mercurial > projects > dwt2
annotate org.eclipse.swt.gtk.linux.x86/src/org/eclipse/swt/internal/Compatibility.d @ 120:536e43f63c81
Comprehensive update for Win32/Linux32 dmd-2.053/dmd-1.068+Tango-r5661
===D2===
* added [Try]Immutable/Const/Shared templates to work with differenses in D1/D2 instead of version statements
used these templates to work with strict type storage rules of dmd-2.053
* com.ibm.icu now also compilable with D2, but not tested yet
* small fixes
Snippet288 - shared data is in TLS
===Phobos===
* fixed critical bugs in Phobos implemention
completely incorrect segfault prone fromStringz (Linux's port ruthless killer)
terrible, incorrect StringBuffer realization (StyledText killer)
* fixed small bugs as well
Snippet72 - misprint in the snippet
* implemented missed functionality for Phobos
ByteArrayOutputStream implemented (image loading available)
formatting correctly works for all DWT's cases
As a result, folowing snippets now works with Phobos (Snippet### - what is fixed):
Snippet24, 42, 111, 115, 130, 235, 276 - bad string formatting
Snippet48, 282 - crash on image loading
Snippet163, 189, 211, 213, 217, 218, 222 - crash on copy/cut in StyledText
Snippet244 - hang-up
===Tango===
* few changes for the latest Tango trunc-r5661
* few small performance improvments
===General===
* implMissing-s for only one version changed to implMissingInTango/InPhobos
* incorrect calls to Format in toString-s fixed
* fixed loading \uXXXX characters in ResourceBundle
* added good UTF-8 support for StyledText, TextLayout (Win32) and friends
UTF functions revised and tested. It is now in java.nonstandard.*Utf modules
StyledText and TextLayout (Win32) modules revised for UTF-8 support
* removed small diferences in most identical files in *.swt.* folders
*.swt.internal.image, *.swt.events and *.swt.custom are identical in Win32/Linux32
now 179 of 576 (~31%) files in *.swt.* folders are fully identical
* Win32: snippets now have right subsystem, pretty icons and native system style controls
* small fixes in snippets
Snippet44 - it's not Snippet44
Snippet212 - functions work with different images and offsets arrays
Win32: Snippet282 - crash on close if the button has an image
Snippet293 - setGrayed is commented
and others
Win32: As a result, folowing snippets now works
Snippet68 - color doesn't change
Snippet163, 189, 211, 213, 217, 218, 222 - UTF-8 issues (see above)
Snippet193 - no tabel headers
| author | Denis Shelomovskij <verylonglogin.reg@gmail.com> |
|---|---|
| date | Sat, 09 Jul 2011 15:50:20 +0300 |
| parents | 70388b0e6dad |
| children |
| rev | line source |
|---|---|
| 25 | 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 org.eclipse.swt.internal.Compatibility; | |
| 14 | |
| 15 import java.lang.all; | |
| 16 import java.io.BufferedInputStream; | |
| 17 import java.io.File; | |
| 18 import java.io.InputStream; | |
| 19 import java.io.FileInputStream; | |
| 20 import java.io.FileOutputStream; | |
| 21 import java.text.MessageFormat; | |
| 22 import java.util.MissingResourceException; | |
| 23 import java.util.ResourceBundle; | |
| 24 import java.util.zip.InflaterInputStream; | |
| 25 //import java.util.zip.DeflaterOutputStream; | |
| 26 | |
| 27 import org.eclipse.swt.SWT; | |
| 28 | |
| 26 | 29 version(Tango){ |
| 25 | 30 import Unicode = tango.text.Unicode; |
| 31 import tango.sys.Process; | |
| 26 | 32 } else { // Phobos |
| 33 } | |
| 25 | 34 |
| 35 /** | |
| 36 * This class is a placeholder for utility methods commonly | |
| 37 * used on J2SE platforms but not supported on some J2ME | |
| 38 * profiles. | |
| 39 * <p> | |
| 40 * It is part of our effort to provide support for both J2SE | |
| 41 * and J2ME platforms. | |
| 42 * </p> | |
| 43 * <p> | |
| 44 * IMPORTANT: some of the methods have been modified from their | |
| 45 * J2SE parents. Refer to the description of each method for | |
| 46 * specific changes. | |
| 47 * </p> | |
| 48 * <ul> | |
| 49 * <li>Exceptions thrown may differ since J2ME's set of | |
| 50 * exceptions is a subset of J2SE's one. | |
| 51 * </li> | |
| 52 * <li>The range of the mathematic functions is subject to | |
| 53 * change. | |
| 54 * </li> | |
| 55 * </ul> | |
| 56 */ | |
| 57 public final class Compatibility { | |
| 58 | |
| 59 /** | |
| 60 * Returns the PI constant as a double. | |
| 61 */ | |
| 62 public static const real PI = Math.PI; | |
| 63 | |
| 64 static const real toRadians = PI / 180; | |
| 65 | |
| 66 /** | |
| 67 * Answers the length of the side adjacent to the given angle | |
| 68 * of a right triangle. In other words, it returns the integer | |
| 69 * conversion of length * cos (angle). | |
| 70 * <p> | |
| 71 * IMPORTANT: the j2me version has an additional restriction on | |
| 72 * the argument. length must be between -32767 and 32767 (inclusive). | |
| 73 * </p> | |
| 74 * | |
| 75 * @param angle the angle in degrees | |
| 76 * @param length the length of the triangle's hypotenuse | |
| 77 * @return the integer conversion of length * cos (angle) | |
| 78 */ | |
| 79 public static int cos(int angle, int length) { | |
| 80 return cast(int)(Math.cos(angle * toRadians) * length); | |
| 81 } | |
| 82 | |
| 83 /** | |
| 84 * Answers the length of the side opposite to the given angle | |
| 85 * of a right triangle. In other words, it returns the integer | |
| 86 * conversion of length * sin (angle). | |
| 87 * <p> | |
| 88 * IMPORTANT: the j2me version has an additional restriction on | |
| 89 * the argument. length must be between -32767 and 32767 (inclusive). | |
| 90 * </p> | |
| 91 * | |
| 92 * @param angle the angle in degrees | |
| 93 * @param length the length of the triangle's hypotenuse | |
| 94 * @return the integer conversion of length * sin (angle) | |
| 95 */ | |
| 96 public static int sin(int angle, int length) { | |
| 97 return cast(int)(Math.sin(angle * toRadians) * length); | |
| 98 } | |
| 99 | |
| 100 /** | |
| 101 * Answers the most negative (i.e. closest to negative infinity) | |
| 102 * integer value which is greater than the number obtained by dividing | |
| 103 * the first argument p by the second argument q. | |
| 104 * | |
| 105 * @param p numerator | |
| 106 * @param q denominator (must be different from zero) | |
| 107 * @return the ceiling of the rational number p / q. | |
| 108 */ | |
| 109 public static int ceil(int p, int q) { | |
| 110 return cast(int)Math.ceil(cast(float)p / q); | |
| 111 } | |
| 112 | |
| 113 /** | |
| 114 * Answers whether the indicated file exists or not. | |
| 115 * | |
| 116 * @param parent the file's parent directory | |
| 117 * @param child the file's name | |
| 118 * @return true if the file exists | |
| 119 */ | |
|
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120 public static bool fileExists(String parent, String child) { |
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121 scope f = new File(parent, child); |
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122 return f.exists(); |
| 25 | 123 } |
| 124 | |
| 125 /** | |
| 126 * Answers the most positive (i.e. closest to positive infinity) | |
| 127 * integer value which is less than the number obtained by dividing | |
| 128 * the first argument p by the second argument q. | |
| 129 * | |
| 130 * @param p numerator | |
| 131 * @param q denominator (must be different from zero) | |
| 132 * @return the floor of the rational number p / q. | |
| 133 */ | |
| 134 public static int floor(int p, int q) { | |
| 135 return cast(int)Math.floor(cast(double)p / q); | |
| 136 } | |
| 137 | |
| 138 /** | |
| 139 * Answers the result of rounding to the closest integer the number obtained | |
| 140 * by dividing the first argument p by the second argument q. | |
| 141 * <p> | |
| 142 * IMPORTANT: the j2me version has an additional restriction on | |
| 143 * the arguments. p must be within the range 0 - 32767 (inclusive). | |
| 144 * q must be within the range 1 - 32767 (inclusive). | |
| 145 * </p> | |
| 146 * | |
| 147 * @param p numerator | |
| 148 * @param q denominator (must be different from zero) | |
| 149 * @return the closest integer to the rational number p / q | |
| 150 */ | |
| 151 public static int round(int p, int q) { | |
| 152 return cast(int)Math.round(cast(float)p / q); | |
| 153 } | |
| 154 | |
| 155 /** | |
| 156 * Returns 2 raised to the power of the argument. | |
| 157 * | |
| 158 * @param n an int value between 0 and 30 (inclusive) | |
| 159 * @return 2 raised to the power of the argument | |
| 160 * | |
| 161 * @exception IllegalArgumentException <ul> | |
| 162 * <li>ERROR_INVALID_RANGE - if the argument is not between 0 and 30 (inclusive)</li> | |
| 163 * </ul> | |
| 164 */ | |
| 165 public static int pow2(int n) { | |
| 166 if (n >= 1 && n <= 30) | |
| 167 return 2 << (n - 1); | |
| 168 else if (n != 0) { | |
| 169 SWT.error(SWT.ERROR_INVALID_RANGE); | |
| 170 } | |
| 171 return 1; | |
| 172 } | |
| 173 | |
| 174 /** | |
| 175 * Create an DeflaterOutputStream if such things are supported. | |
| 176 * | |
| 177 * @param stream the output stream | |
| 178 * @return a deflater stream or <code>null</code> | |
| 179 * @exception IOException | |
| 180 * | |
| 181 * @since 3.4 | |
| 182 */ | |
| 183 public static OutputStream newDeflaterOutputStream(OutputStream stream) { | |
| 184 implMissing(__FILE__,__LINE__); | |
| 185 return null; | |
| 186 //DWT_TODO return new DeflaterOutputStream(stream); | |
| 187 } | |
| 188 | |
| 189 /** | |
| 190 * Open a file if such things are supported. | |
| 191 * | |
| 192 * @param filename the name of the file to open | |
| 193 * @return a stream on the file if it could be opened. | |
| 194 * @exception IOException | |
| 195 */ | |
|
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196 public static InputStream newFileInputStream(String filename) { |
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197 return new FileInputStream(filename); |
| 25 | 198 } |
| 199 | |
| 200 /** | |
| 201 * Open a file if such things are supported. | |
| 202 * | |
| 203 * @param filename the name of the file to open | |
| 204 * @return a stream on the file if it could be opened. | |
| 205 * @exception IOException | |
| 206 */ | |
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207 public static OutputStream newFileOutputStream(String filename) { |
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208 return new FileOutputStream(filename); |
| 25 | 209 } |
| 210 | |
| 211 /** | |
| 212 * Create an InflaterInputStream if such things are supported. | |
| 213 * | |
| 214 * @param stream the input stream | |
| 215 * @return a inflater stream or <code>null</code> | |
| 216 * @exception IOException | |
| 217 * | |
| 218 * @since 3.3 | |
| 219 */ | |
| 220 public static InflaterInputStream newInflaterInputStream(InputStream stream) { | |
| 221 return new InflaterInputStream(stream); | |
| 222 } | |
| 223 | |
| 224 /** | |
| 225 * Answers whether the character is a letter. | |
| 226 * | |
| 227 * @param c the character | |
| 228 * @return true when the character is a letter | |
| 229 */ | |
| 230 public static bool isLetter(dchar c) { | |
| 26 | 231 return Character.isLetter(c); |
| 25 | 232 } |
| 233 | |
| 234 /** | |
| 235 * Answers whether the character is a letter or a digit. | |
| 236 * | |
| 237 * @param c the character | |
| 238 * @return true when the character is a letter or a digit | |
| 239 */ | |
| 240 public static bool isLetterOrDigit(dchar c) { | |
| 26 | 241 return Character.isLetterOrDigit(c); |
| 25 | 242 } |
| 243 | |
| 244 /** | |
| 245 * Answers whether the character is a Unicode space character. | |
| 246 * | |
| 247 * @param c the character | |
| 248 * @return true when the character is a Unicode space character | |
| 249 */ | |
| 250 public static bool isSpaceChar(dchar c) { | |
| 26 | 251 return Character.isSpace(c); |
| 25 | 252 } |
| 253 | |
| 254 /** | |
| 255 * Answers whether the character is a whitespace character. | |
| 256 * | |
| 257 * @param c the character to test | |
| 258 * @return true if the character is whitespace | |
| 259 */ | |
| 260 public static bool isWhitespace(dchar c) { | |
| 26 | 261 return Character.isWhitespace(c); |
| 25 | 262 } |
| 263 | |
| 264 /** | |
| 265 * Execute a program in a separate platform process if the | |
| 266 * underlying platform support this. | |
| 267 * <p> | |
| 268 * The new process inherits the environment of the caller. | |
| 269 * </p> | |
| 270 * | |
| 271 * @param prog the name of the program to execute | |
| 272 * | |
| 273 * @exception ProcessException | |
| 274 * if the program cannot be executed | |
| 275 */ | |
|
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276 public static void exec(String prog) { |
| 26 | 277 version(Tango){ |
| 278 auto proc = new Process( prog ); | |
| 279 proc.execute; | |
| 280 } else { // Phobos | |
|
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281 implMissingInPhobos(); |
| 26 | 282 } |
| 25 | 283 } |
| 284 | |
| 285 /** | |
| 286 * Execute progArray[0] in a separate platform process if the | |
| 287 * underlying platform support this. | |
| 288 * <p> | |
| 289 * The new process inherits the environment of the caller. | |
| 290 * <p> | |
| 291 * | |
| 292 * @param progArray array containing the program to execute and its arguments | |
| 293 * | |
| 294 * @exception ProcessException | |
| 295 * if the program cannot be executed | |
| 296 */ | |
|
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297 public static void exec(String[] progArray) { |
| 26 | 298 version(Tango){ |
| 299 auto proc = new Process( progArray ); | |
| 300 proc.execute; | |
| 301 } else { // Phobos | |
|
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302 implMissingInPhobos(); |
| 26 | 303 } |
| 25 | 304 } |
| 305 | |
| 306 const ImportData[] SWTMessagesBundleData = [ | |
| 307 getImportData!( "org.eclipse.swt.internal.SWTMessages.properties" ), | |
| 308 getImportData!( "org.eclipse.swt.internal.SWTMessages_ar.properties" ), | |
| 309 getImportData!( "org.eclipse.swt.internal.SWTMessages_cs.properties" ), | |
| 310 getImportData!( "org.eclipse.swt.internal.SWTMessages_da.properties" ), | |
| 311 getImportData!( "org.eclipse.swt.internal.SWTMessages_de.properties" ), | |
| 312 getImportData!( "org.eclipse.swt.internal.SWTMessages_el.properties" ), | |
| 313 getImportData!( "org.eclipse.swt.internal.SWTMessages_es.properties" ), | |
| 314 getImportData!( "org.eclipse.swt.internal.SWTMessages_fi.properties" ), | |
| 315 getImportData!( "org.eclipse.swt.internal.SWTMessages_fr.properties" ), | |
| 316 getImportData!( "org.eclipse.swt.internal.SWTMessages_hu.properties" ), | |
| 317 getImportData!( "org.eclipse.swt.internal.SWTMessages_it.properties" ), | |
| 318 getImportData!( "org.eclipse.swt.internal.SWTMessages_iw.properties" ), | |
| 319 getImportData!( "org.eclipse.swt.internal.SWTMessages_ja.properties" ), | |
| 320 getImportData!( "org.eclipse.swt.internal.SWTMessages_ko.properties" ), | |
| 321 getImportData!( "org.eclipse.swt.internal.SWTMessages_nl.properties" ), | |
| 322 getImportData!( "org.eclipse.swt.internal.SWTMessages_no.properties" ), | |
| 323 getImportData!( "org.eclipse.swt.internal.SWTMessages_pl.properties" ), | |
| 324 getImportData!( "org.eclipse.swt.internal.SWTMessages_pt_BR.properties" ), | |
| 325 getImportData!( "org.eclipse.swt.internal.SWTMessages_pt.properties" ), | |
| 326 getImportData!( "org.eclipse.swt.internal.SWTMessages_ru.properties" ), | |
| 327 getImportData!( "org.eclipse.swt.internal.SWTMessages_sv.properties" ), | |
| 328 getImportData!( "org.eclipse.swt.internal.SWTMessages_tr.properties" ), | |
| 329 getImportData!( "org.eclipse.swt.internal.SWTMessages_zh_HK.properties" ), | |
| 330 getImportData!( "org.eclipse.swt.internal.SWTMessages_zh.properties" ), | |
| 331 getImportData!( "org.eclipse.swt.internal.SWTMessages_zh_TW.properties" ) | |
| 332 ]; | |
| 333 | |
| 334 private static ResourceBundle msgs = null; | |
| 335 | |
| 336 /** | |
| 337 * Returns the NLS'ed message for the given argument. This is only being | |
| 338 * called from SWT. | |
| 339 * | |
| 340 * @param key the key to look up | |
| 341 * @return the message for the given key | |
| 342 * | |
| 343 * @see SWT#getMessage(String) | |
| 344 */ | |
|
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345 public static String getMessage(String key) { |
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346 String answer = key; |
| 25 | 347 |
| 348 if (key is null) { | |
| 349 SWT.error (SWT.ERROR_NULL_ARGUMENT); | |
| 350 } | |
| 351 if (msgs is null) { | |
| 352 try { | |
| 353 msgs = ResourceBundle.getBundle(SWTMessagesBundleData); //$NON-NLS-1$ | |
| 354 } catch (MissingResourceException ex) { | |
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355 answer = key ~ " (no resource bundle)"; //$NON-NLS-1$ |
| 25 | 356 } |
| 357 } | |
| 358 if (msgs !is null) { | |
| 359 try { | |
| 360 answer = msgs.getString(key); | |
| 361 } catch (MissingResourceException ex2) {} | |
| 362 } | |
| 363 return answer; | |
| 364 } | |
| 365 | |
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366 public static String getMessage(String key, Object[] args) { |
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367 String answer = key; |
| 25 | 368 |
| 369 if (key is null || args is null) { | |
| 370 SWT.error (SWT.ERROR_NULL_ARGUMENT); | |
| 371 } | |
| 372 if (msgs is null) { | |
| 373 try { | |
| 374 msgs = ResourceBundle.getBundle(SWTMessagesBundleData); //$NON-NLS-1$ | |
| 375 } catch (MissingResourceException ex) { | |
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376 answer = key ~ " (no resource bundle)"; //$NON-NLS-1$ |
| 25 | 377 } |
| 378 } | |
| 379 if (msgs !is null) { | |
| 380 try { | |
| 51 | 381 String frmt = msgs.getString(key); |
| 25 | 382 switch( args.length ){ |
| 383 case 0: answer = Format(frmt); break; | |
| 384 case 1: answer = Format(frmt, args[0]); break; | |
| 385 case 2: answer = Format(frmt, args[0], args[1]); break; | |
| 386 case 3: answer = Format(frmt, args[0], args[1], args[2]); break; | |
| 387 case 4: answer = Format(frmt, args[0], args[1], args[2], args[3]); break; | |
| 388 case 5: answer = Format(frmt, args[0], args[1], args[2], args[3], args[4]); break; | |
| 389 default: | |
| 390 implMissing(__FILE__, __LINE__ ); | |
| 391 } | |
| 392 } catch (MissingResourceException ex2) {} | |
| 393 } | |
| 394 return answer; | |
| 395 } | |
| 396 | |
| 397 | |
| 398 /** | |
| 399 * Interrupt the current thread. | |
| 400 * <p> | |
| 401 * Note that this is not available on CLDC. | |
| 402 * </p> | |
| 403 */ | |
| 404 public static void interrupt() { | |
| 405 //PORTING_FIXME: how to implement?? | |
| 406 //Thread.currentThread().interrupt(); | |
| 407 } | |
| 408 | |
| 409 /** | |
| 410 * Compares two instances of class String ignoring the case of the | |
| 411 * characters and answers if they are equal. | |
| 412 * | |
| 413 * @param s1 string | |
| 414 * @param s2 string | |
| 415 * @return true if the two instances of class String are equal | |
| 416 */ | |
|
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417 public static bool equalsIgnoreCase(in char[] s1, in char[] s2) { |
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418 return .equalsIgnoreCase(s1, s2); |
| 25 | 419 } |
| 420 | |
| 421 } |