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annotate org.eclipse.swt.win32.win32.x86/src/org/eclipse/swt/internal/Compatibility.d @ 24:b7a1d02a0e1f

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renamed swt win resource files
author Frank Benoit <benoit@tionex.de>
date Fri, 20 Mar 2009 14:09:41 +0100
parents 4642ab680468
children 0ecb2b338560
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1 /*******************************************************************************
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2 * Copyright (c) 2000, 2007 IBM Corporation and others.
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3 * All rights reserved. This program and the accompanying materials
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4 * are made available under the terms of the Eclipse Public License v1.0
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5 * which accompanies this distribution, and is available at
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6 * http://www.eclipse.org/legal/epl-v10.html
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7 *
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8 * Contributors:
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9 * IBM Corporation - initial API and implementation
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10 * Port to the D programming language:
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11 * Frank Benoit <benoit@tionex.de>
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12 *******************************************************************************/
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13 module org.eclipse.swt.internal.Compatibility;
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14
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15 import java.io.File;
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16 //import java.text.MessageFormat;
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17 import java.util.MissingResourceException;
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18 import java.util.ResourceBundle;
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19 //import java.util.zip.DeflaterOutputStream;
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20 import java.util.zip.InflaterInputStream;
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22
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23 import org.eclipse.swt.SWT;
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24 public import java.io.FileInputStream;
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25 public import java.io.FileOutputStream;
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26 import java.io.InputStream;
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27
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28 import java.lang.all;
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29 import java.util.ResourceBundle;
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30
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31 version(Tango){
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32 static import tango.text.Unicode;
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33 static import tango.sys.Process;
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34 static import tango.io.Path;
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35 } else { // Phobos
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36 }
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37
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38 /**
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39 * This class is a placeholder for utility methods commonly
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40 * used on J2SE platforms but not supported on some J2ME
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41 * profiles.
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42 * <p>
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43 * It is part of our effort to provide support for both J2SE
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44 * and J2ME platforms.
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45 * </p>
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46 * <p>
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47 * IMPORTANT: some of the methods have been modified from their
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48 * J2SE parents. Refer to the description of each method for
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49 * specific changes.
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50 * </p>
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51 * <ul>
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52 * <li>Exceptions thrown may differ since J2ME's set of
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53 * exceptions is a subset of J2SE's one.
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54 * </li>
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55 * <li>The range of the mathematic functions is subject to
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56 * change.
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57 * </li>
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58 * </ul>
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59 */
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60 public final class Compatibility {
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61
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62 /**
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63 * Returns the PI constant as a double.
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64 */
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65 public static const real PI = Math.PI;
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66
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67 static const real toRadians = PI / 180;
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68
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69 /**
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70 * Answers the length of the side adjacent to the given angle
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71 * of a right triangle. In other words, it returns the integer
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72 * conversion of length * cos (angle).
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73 * <p>
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74 * IMPORTANT: the j2me version has an additional restriction on
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75 * the argument. length must be between -32767 and 32767 (inclusive).
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76 * </p>
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77 *
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78 * @param angle the angle in degrees
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79 * @param length the length of the triangle's hypotenuse
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80 * @return the integer conversion of length * cos (angle)
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81 */
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82 public static int cos(int angle, int length) {
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83 return cast(int)(Math.cos(angle * toRadians) * length);
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84 }
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85
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86 /**
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87 * Answers the length of the side opposite to the given angle
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88 * of a right triangle. In other words, it returns the integer
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89 * conversion of length * sin (angle).
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90 * <p>
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91 * IMPORTANT: the j2me version has an additional restriction on
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92 * the argument. length must be between -32767 and 32767 (inclusive).
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93 * </p>
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94 *
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95 * @param angle the angle in degrees
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96 * @param length the length of the triangle's hypotenuse
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97 * @return the integer conversion of length * sin (angle)
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98 */
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99 public static int sin(int angle, int length) {
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100 return cast(int)(Math.sin(angle * toRadians) * length);
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101 }
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102
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103 /**
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104 * Answers the most negative (i.e. closest to negative infinity)
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105 * integer value which is greater than the number obtained by dividing
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106 * the first argument p by the second argument q.
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107 *
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108 * @param p numerator
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109 * @param q denominator (must be different from zero)
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110 * @return the ceiling of the rational number p / q.
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111 */
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112 public static int ceil(int p, int q) {
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113 return cast(int)Math.ceil(cast(float)p / q);
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114 }
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115
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116 /**
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117 * Answers whether the indicated file exists or not.
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118 *
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119 * @param parent the file's parent directory
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120 * @param child the file's name
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121 * @return true if the file exists
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122 */
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123 public static bool fileExists(String parent, String child) {
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124 return tango.io.Path.exists(
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125 tango.io.Path.join(
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126 tango.io.Path.standard(parent),
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127 tango.io.Path.standard(child)));
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128 }
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129
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130 /**
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131 * Answers the most positive (i.e. closest to positive infinity)
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132 * integer value which is less than the number obtained by dividing
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133 * the first argument p by the second argument q.
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134 *
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135 * @param p numerator
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136 * @param q denominator (must be different from zero)
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137 * @return the floor of the rational number p / q.
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138 */
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139 public static int floor(int p, int q) {
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140 return cast(int)Math.floor(cast(double)p / q);
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141 }
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142
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143 /**
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144 * Answers the result of rounding to the closest integer the number obtained
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145 * by dividing the first argument p by the second argument q.
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146 * <p>
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147 * IMPORTANT: the j2me version has an additional restriction on
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148 * the arguments. p must be within the range 0 - 32767 (inclusive).
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149 * q must be within the range 1 - 32767 (inclusive).
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150 * </p>
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151 *
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152 * @param p numerator
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153 * @param q denominator (must be different from zero)
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154 * @return the closest integer to the rational number p / q
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155 */
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156 public static int round(int p, int q) {
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157 return cast(int)Math.round(cast(float)p / q);
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158 }
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159
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160 /**
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161 * Returns 2 raised to the power of the argument.
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162 *
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163 * @param n an int value between 0 and 30 (inclusive)
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164 * @return 2 raised to the power of the argument
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165 *
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166 * @exception IllegalArgumentException <ul>
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167 * <li>ERROR_INVALID_RANGE - if the argument is not between 0 and 30 (inclusive)</li>
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168 * </ul>
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169 */
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170 public static int pow2(int n) {
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171 if (n >= 1 && n <= 30)
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172 return 2 << (n - 1);
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173 else if (n != 0) {
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174 SWT.error(SWT.ERROR_INVALID_RANGE);
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175 }
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176 return 1;
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177 }
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178
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179 /**
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180 * Create an DeflaterOutputStream if such things are supported.
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181 *
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182 * @param stream the output stream
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183 * @return a deflater stream or <code>null</code>
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184 * @exception IOException
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185 *
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186 * @since 3.4
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187 */
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188 public static OutputStream newDeflaterOutputStream(OutputStream stream) {
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189 //DWT_TODO
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190 implMissing(__FILE__,__LINE__);
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191 return null;
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192 //return new DeflaterOutputStream(stream);
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193 }
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194
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195 /**
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196 * Open a file if such things are supported.
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197 *
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198 * @param filename the name of the file to open
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199 * @return a stream on the file if it could be opened.
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200 * @exception IOException
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201 */
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202 public static InputStream newFileInputStream(String filename) {
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203 return new FileInputStream(filename);
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204 }
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205
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206 /**
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207 * Open a file if such things are supported.
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208 *
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209 * @param filename the name of the file to open
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210 * @return a stream on the file if it could be opened.
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211 * @exception IOException
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212 */
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213 public static OutputStream newFileOutputStream(String filename) {
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214 return new FileOutputStream(filename);
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215 }
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216
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217 /**
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218 * Create an InflaterInputStream if such things are supported.
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219 *
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220 * @param stream the input stream
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221 * @return a inflater stream or <code>null</code>
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222 * @exception IOException
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223 *
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224 * @since 3.3
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225 */
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226 public static InflaterInputStream newInflaterInputStream(InputStream stream) {
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227 return new InflaterInputStream(stream);
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228 }
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229
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230 /**
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231 * Answers whether the character is a letter.
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232 *
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233 * @param c the character
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234 * @return true when the character is a letter
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235 */
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236 public static bool isLetter(dchar c) {
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237 return Character.isLetter(c);
0
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238 }
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239
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240 /**
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241 * Answers whether the character is a letter or a digit.
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242 *
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243 * @param c the character
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244 * @return true when the character is a letter or a digit
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245 */
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246 public static bool isLetterOrDigit(dchar c) {
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247 return Character.isLetterOrDigit(c);
0
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248 }
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249
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250 /**
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251 * Answers whether the character is a Unicode space character.
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252 *
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253 * @param c the character
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254 * @return true when the character is a Unicode space character
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255 */
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256 public static bool isSpaceChar(dchar c) {
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257 return Character.isSpace(c);
0
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258 }
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259
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260 /**
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261 * Answers whether the character is a whitespace character.
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262 *
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263 * @param c the character to test
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264 * @return true if the character is whitespace
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265 */
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266 public static bool isWhitespace(dchar c) {
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267 return Character.isWhitespace(c);
0
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268 }
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269
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270 /**
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271 * Execute a program in a separate platform process if the
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272 * underlying platform support this.
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273 * <p>
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274 * The new process inherits the environment of the caller.
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275 * </p>
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276 *
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277 * @param prog the name of the program to execute
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278 *
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279 * @exception ProcessException
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280 * if the program cannot be executed
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281 */
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282 public static void exec(String prog) {
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283 auto proc = new tango.sys.Process.Process( prog );
0
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284 proc.execute;
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285 }
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286
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287 /**
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288 * Execute progArray[0] in a separate platform process if the
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289 * underlying platform support this.
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290 * <p>
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291 * The new process inherits the environment of the caller.
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292 * <p>
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293 *
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294 * @param progArray array containing the program to execute and its arguments
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295 *
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296 * @exception ProcessException
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297 * if the program cannot be executed
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298 */
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299 public static void exec(String[] progArray) {
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300 auto proc = new tango.sys.Process.Process( progArray );
0
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301 proc.execute;
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302 }
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303
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304 const ImportData[] SWTMessagesBundleData = [
24
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305 getImportData!( "org.eclipse.swt.internal.SWTMessages.properties" ),
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306 getImportData!( "org.eclipse.swt.internal.SWTMessages_ar.properties" ),
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307 getImportData!( "org.eclipse.swt.internal.SWTMessages_cs.properties" ),
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308 getImportData!( "org.eclipse.swt.internal.SWTMessages_da.properties" ),
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309 getImportData!( "org.eclipse.swt.internal.SWTMessages_de.properties" ),
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310 getImportData!( "org.eclipse.swt.internal.SWTMessages_el.properties" ),
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311 getImportData!( "org.eclipse.swt.internal.SWTMessages_es.properties" ),
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312 getImportData!( "org.eclipse.swt.internal.SWTMessages_fi.properties" ),
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313 getImportData!( "org.eclipse.swt.internal.SWTMessages_fr.properties" ),
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314 getImportData!( "org.eclipse.swt.internal.SWTMessages_hu.properties" ),
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315 getImportData!( "org.eclipse.swt.internal.SWTMessages_it.properties" ),
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316 getImportData!( "org.eclipse.swt.internal.SWTMessages_iw.properties" ),
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317 getImportData!( "org.eclipse.swt.internal.SWTMessages_ja.properties" ),
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318 getImportData!( "org.eclipse.swt.internal.SWTMessages_ko.properties" ),
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319 getImportData!( "org.eclipse.swt.internal.SWTMessages_nl.properties" ),
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320 getImportData!( "org.eclipse.swt.internal.SWTMessages_no.properties" ),
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321 getImportData!( "org.eclipse.swt.internal.SWTMessages_pl.properties" ),
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322 getImportData!( "org.eclipse.swt.internal.SWTMessages_pt_BR.properties" ),
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323 getImportData!( "org.eclipse.swt.internal.SWTMessages_pt.properties" ),
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324 getImportData!( "org.eclipse.swt.internal.SWTMessages_ru.properties" ),
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325 getImportData!( "org.eclipse.swt.internal.SWTMessages_sv.properties" ),
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326 getImportData!( "org.eclipse.swt.internal.SWTMessages_tr.properties" ),
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327 getImportData!( "org.eclipse.swt.internal.SWTMessages_zh_HK.properties" ),
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328 getImportData!( "org.eclipse.swt.internal.SWTMessages_zh.properties" ),
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329 getImportData!( "org.eclipse.swt.internal.SWTMessages_zh_TW.properties" )
0
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330 ];
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331
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332 private static ResourceBundle msgs = null;
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333
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334 /**
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335 * Returns the NLS'ed message for the given argument. This is only being
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336 * called from SWT.
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337 *
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338 * @param key the key to look up
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339 * @return the message for the given key
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340 *
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341 * @see SWT#getMessage(String)
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342 */
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343 public static String getMessage(String key) {
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344 String answer = key;
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345
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346 if (key is null) {
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347 SWT.error (SWT.ERROR_NULL_ARGUMENT);
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348 }
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349 if (msgs is null) {
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350 try {
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351 msgs = ResourceBundle.getBundle(SWTMessagesBundleData); //$NON-NLS-1$
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352 } catch (MissingResourceException ex) {
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353 answer = key ~ " (no resource bundle)"; //$NON-NLS-1$
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354 }
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355 }
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356 if (msgs !is null) {
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357 try {
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358 answer = msgs.getString(key);
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359 } catch (MissingResourceException ex2) {}
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360 }
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361 return answer;
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362 }
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363
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364 public static String getMessage(String key, Object[] args) {
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365 String answer = key;
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366
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367 if (key is null || args is null) {
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368 SWT.error (SWT.ERROR_NULL_ARGUMENT);
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369 }
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370 if (msgs is null) {
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371 try {
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372 msgs = ResourceBundle.getBundle(SWTMessagesBundleData); //$NON-NLS-1$
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373 } catch (MissingResourceException ex) {
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374 answer = key ~ " (no resource bundle)"; //$NON-NLS-1$
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375 }
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376 }
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377 if (msgs !is null) {
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378 try {
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379 char[] frmt = msgs.getString(key);
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380 switch( args.length ){
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381 case 0: answer = Format(frmt); break;
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382 case 1: answer = Format(frmt, args[0]); break;
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383 case 2: answer = Format(frmt, args[0], args[1]); break;
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384 case 3: answer = Format(frmt, args[0], args[1], args[2]); break;
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385 case 4: answer = Format(frmt, args[0], args[1], args[2], args[3]); break;
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386 case 5: answer = Format(frmt, args[0], args[1], args[2], args[3], args[4]); break;
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387 default:
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388 implMissing(__FILE__, __LINE__ );
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389 }
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390 } catch (MissingResourceException ex2) {}
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391 }
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392 return answer;
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393 }
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394
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395
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396 /**
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397 * Interrupt the current thread.
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398 * <p>
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399 * Note that this is not available on CLDC.
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400 * </p>
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401 */
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402 public static void interrupt() {
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403 //PORTING_FIXME: how to implement??
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404 //Thread.currentThread().interrupt();
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405 }
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406
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407 /**
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408 * Compares two instances of class String ignoring the case of the
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409 * characters and answers if they are equal.
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410 *
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411 * @param s1 string
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412 * @param s2 string
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413 * @return true if the two instances of class String are equal
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414 */
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415 public static bool equalsIgnoreCase(String s1, String s2) {
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416 String s1b = new char[ s1.length ];
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417 String s2b = new char[ s1.length ];
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418 scope(exit){
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419 delete s1b;
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420 delete s2b;
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421 }
22
4642ab680468 some work on dwt-win for tango/phobos
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parents: 21
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422 String s1c = tango.text.Unicode.toFold( s1, s1b );
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parents: 21
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423 String s2c = tango.text.Unicode.toFold( s2, s2b );
0
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424 return s1c == s2c;
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425 }
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parents:
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426
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parents:
diff changeset
427 }