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Viewing changes to core/org.eclipse.cdt.core/src/org/eclipse/cdt/internal/core/cdtvariables/EnvironmentVariableSupplier.java

  • Committer: Package Import Robot
  • Author(s): Jakub Adam
  • Date: 2011-10-06 21:15:04 UTC
  • mfrom: (1.1.4)
  • Revision ID: package-import@ubuntu.com-20111006211504-8dutmljjih0zikfv
Tags: 8.0.1-1
* New upstream release.
* Split the JNI packages into a separate architecture dependent
  package and made eclipse-cdt architecture independent.
* Install JNI libraries into multiarch aware location
* Bumped Standards-Version to 3.9.2.

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core/org.eclipse.cdt.core/src/org/eclipse/cdt/internal/core/cdtvariables/EnvironmentVariableSupplier.java
 
1
/*******************************************************************************
 
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 * Copyright (c) 2005, 2009 Intel Corporation and others.
 
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 * All rights reserved. This program and the accompanying materials
 
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 * are made available under the terms of the Eclipse Public License v1.0
 
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 * which accompanies this distribution, and is available at
 
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 * http://www.eclipse.org/legal/epl-v10.html
 
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 *
 
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 * Contributors:
 
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 * Intel Corporation - Initial API and implementation
 
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 *******************************************************************************/
 
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package org.eclipse.cdt.internal.core.cdtvariables;
 
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import java.util.List;
 
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import java.util.regex.Pattern;
 
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import org.eclipse.cdt.core.cdtvariables.CdtVariable;
 
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import org.eclipse.cdt.core.cdtvariables.CdtVariableException;
 
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import org.eclipse.cdt.core.cdtvariables.ICdtVariable;
 
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import org.eclipse.cdt.core.envvar.IEnvironmentVariable;
 
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import org.eclipse.cdt.core.settings.model.ICConfigurationDescription;
 
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import org.eclipse.cdt.internal.core.envvar.EnvironmentVariableManager;
 
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import org.eclipse.cdt.utils.envvar.EnvVarOperationProcessor;
 
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import org.eclipse.core.resources.IWorkspace;
 
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/**
 
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 * This supplier suplies the macros that represent the Managed Build environment variables
 
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 * 
 
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 * @since 3.0
 
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 */
 
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public class EnvironmentVariableSupplier extends CoreMacroSupplierBase {
 
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        private static EnvironmentVariableSupplier fInstance;
 
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        private EnvironmentVariableManager fEnvironmentProvider;
 
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        public class EnvVarMacro extends CdtVariable{
 
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                private IEnvironmentVariable fVariable;
 
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                private EnvVarMacro(IEnvironmentVariable var){
 
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                        fName = var.getName();
 
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                        fVariable = var;
 
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                }
 
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                private void loadValue(IEnvironmentVariable var){
 
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                        String delimiter = var.getDelimiter();
 
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                        String value = var.getOperation() != IEnvironmentVariable.ENVVAR_REMOVE ?
 
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                                        var.getValue() : null;
 
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                        if(isTextList(value,delimiter)){
 
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                                fType = VALUE_TEXT_LIST;
 
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                                if(value != null){
 
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                                        List<String> list = EnvVarOperationProcessor.convertToList(value,delimiter);
 
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                                        fStringListValue = list.toArray(new String[list.size()]);
 
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                                } else {
 
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                                        fStringListValue = null;
 
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                                }
 
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                        } else {
 
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                                fType = VALUE_TEXT;
 
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                                fStringValue = value;
 
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                        }
 
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                }
 
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                @Override
 
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                public int getValueType() {
 
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                        if(fVariable != null){
 
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                                loadValue(fVariable);
 
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                                //we do not need it any more, release clean the reference
 
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                                fVariable = null;
 
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                        }
 
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                        return super.getValueType();
 
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                }
 
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                @Override
 
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                public String getStringValue() throws CdtVariableException {
 
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                        if(fVariable != null){
 
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                                loadValue(fVariable);
 
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                                //we do not need it any more, release clean the reference
 
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                                fVariable = null;
 
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                        }
 
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                        return super.getStringValue();
 
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                }
 
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                @Override
 
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                public String[] getStringListValue() throws CdtVariableException {
 
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                        if(fVariable != null){
 
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                                loadValue(fVariable);
 
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                                //we do not need it any more, release clean the reference
 
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                                fVariable = null;
 
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                        }
 
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                        return super.getStringListValue();
 
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                }
 
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        }
 
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        protected EnvironmentVariableSupplier(){
 
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                this(EnvironmentVariableManager.getDefault());
 
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        }
 
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        public EnvironmentVariableSupplier(EnvironmentVariableManager varProvider){
 
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                fEnvironmentProvider = varProvider;
 
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        }
 
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        private static boolean isTextList(String str, String delimiter) {
 
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                if (delimiter == null || "".equals(delimiter)) //$NON-NLS-1$
 
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                        return false;
 
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                // Regex: ([^:]+:)+[^:]*
 
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                String patternStr = "([^" + delimiter + "]+" + delimiter + ")+[^" + delimiter + "]*"; //$NON-NLS-1$ //$NON-NLS-2$ //$NON-NLS-3$//$NON-NLS-4$
 
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                return Pattern.matches(patternStr, str);
 
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        }
 
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        public ICdtVariable createBuildMacro(IEnvironmentVariable var){
 
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                if(var != null)
 
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                        return new EnvVarMacro(var);
 
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                return null; 
 
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        }
 
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        public static EnvironmentVariableSupplier getInstance(){
 
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                if(fInstance == null)
 
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                        fInstance = new EnvironmentVariableSupplier();
 
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                return fInstance;
 
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        }
 
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        /* (non-Javadoc)
 
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         * @see org.eclipse.cdt.managedbuilder.macros.IBuildMacroSupplier#getMacro(java.lang.String, int, java.lang.Object)
 
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         */
 
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        @Override
 
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        public ICdtVariable getMacro(String macroName, int contextType,
 
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                        Object contextData) {
 
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                if(macroName == null || "".equals(macroName))   //$NON-NLS-1$
 
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                return null;
 
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                IEnvironmentVariable var = null;
 
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                switch(contextType){
 
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                case ICoreVariableContextInfo.CONTEXT_CONFIGURATION:
 
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                        if(contextData instanceof ICConfigurationDescription){
 
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                                var = fEnvironmentProvider.getVariable(macroName, (ICConfigurationDescription)contextData, false);
 
138
                        }
 
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                        break;
 
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                case ICoreVariableContextInfo.CONTEXT_WORKSPACE:
 
141
                        if(contextData == null || contextData instanceof IWorkspace){
 
142
                                var = fEnvironmentProvider.getVariable(macroName, (ICConfigurationDescription)null, false);
 
143
                        }
 
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                        break;
 
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//              case IBuildMacroProvider.CONTEXT_ECLIPSEENV:
 
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//                      if(contextData == null){
 
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//                              var = fEnvironmentProvider.getVariable(macroName,fEnvironmentProvider.getContextInfo(contextData),false);
 
148
//                      }
 
149
//                      break;
 
150
                }
 
151
                if(var != null && var.getOperation() != IEnvironmentVariable.ENVVAR_REMOVE)
 
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                        return new EnvVarMacro(var);
 
153
 
 
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                return null;
 
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        }
 
156
 
 
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        /* (non-Javadoc)
 
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         * @see org.eclipse.cdt.managedbuilder.macros.IBuildMacroSupplier#getMacros(int, java.lang.Object)
 
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         */
 
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        @Override
 
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        public ICdtVariable[] getMacros(int contextType, Object contextData) {
 
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                IEnvironmentVariable vars[] = null;
 
163
 
 
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                switch(contextType){
 
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                case ICoreVariableContextInfo.CONTEXT_CONFIGURATION:
 
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                        if(contextData instanceof ICConfigurationDescription){
 
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                                vars = fEnvironmentProvider.getVariables((ICConfigurationDescription)contextData, false);
 
168
                        }
 
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                        break;
 
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                case ICoreVariableContextInfo.CONTEXT_WORKSPACE:
 
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                        if(contextData == null || contextData instanceof IWorkspace){
 
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                                vars = fEnvironmentProvider.getVariables((ICConfigurationDescription)null, false);
 
173
                        }
 
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                        break;
 
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//              case IBuildMacroProvider.CONTEXT_ECLIPSEENV:
 
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//                      if(contextData == null){
 
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//                              vars = fEnvironmentProvider.getVariables(fEnvironmentProvider.getContextInfo(contextData),false).toArray(false);
 
178
//                      }
 
179
//                      break;
 
180
                }
 
181
                
 
182
                if(vars != null){
 
183
                        EnvVarMacro macros[] = new EnvVarMacro[vars.length];
 
184
                        for(int i = 0; i < macros.length; i++)
 
185
                                macros[i] = new EnvVarMacro(vars[i]);
 
186
                        
 
187
                        return macros;
 
188
                }
 
189
 
 
190
                return null;
 
191
        }
 
192
/*
 
193
        public EnvironmentVariableProvider getEnvironmentVariableProvider(){
 
194
                return fEnvironmentProvider;
 
195
        }
 
196
*/
 
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}