diff options
Diffstat (limited to 'org.eclipse.search/search/org/eclipse/search/internal/core/text/TextSearchScope.java')
| -rw-r--r-- | org.eclipse.search/search/org/eclipse/search/internal/core/text/TextSearchScope.java | 226 |
1 files changed, 0 insertions, 226 deletions
diff --git a/org.eclipse.search/search/org/eclipse/search/internal/core/text/TextSearchScope.java b/org.eclipse.search/search/org/eclipse/search/internal/core/text/TextSearchScope.java deleted file mode 100644 index 5b2646f1c21..00000000000 --- a/org.eclipse.search/search/org/eclipse/search/internal/core/text/TextSearchScope.java +++ /dev/null @@ -1,226 +0,0 @@ -/******************************************************************************* - * Copyright (c) 2000, 2003 IBM Corporation and others. - * All rights reserved. This program and the accompanying materials - * are made available under the terms of the Common Public License v1.0 - * which accompanies this distribution, and is available at - * http://www.eclipse.org/legal/cpl-v10.html - * - * Contributors: - * IBM Corporation - initial API and implementation - *******************************************************************************/ -package org.eclipse.search.internal.core.text; - -import java.util.Arrays; -import java.util.HashSet; -import java.util.Iterator; -import java.util.Set; -import java.util.regex.Matcher; -import java.util.regex.Pattern; - -import org.eclipse.core.resources.IFile; -import org.eclipse.core.resources.IResource; -import org.eclipse.core.resources.IResourceProxy; -import org.eclipse.core.runtime.IAdaptable; - -import org.eclipse.ui.IWorkingSet; - -import org.eclipse.search.internal.core.SearchScope; -import org.eclipse.search.internal.ui.SearchMessages; - -/** - * A special text search scope that take file extensions into account. - */ -public class TextSearchScope extends SearchScope { - - private static class WorkspaceScope extends TextSearchScope { - - private WorkspaceScope() { - super(SearchMessages.getString("WorkspaceScope")); //$NON-NLS-1$ - } - - public void add(IResource element) { - // do nothing - } - - /** - * @see ISearchScope#encloses(Object) - */ - public boolean encloses(IResourceProxy proxy) { - if (proxy.getType() == IResource.FILE && skipFile(proxy)) - return false; - return true; - } - } - - private Set fExtensions= new HashSet(3); - - /** - * Returns a new Workbench scope. - */ - public static TextSearchScope newWorkspaceScope() { - return new WorkspaceScope(); - } - - public TextSearchScope(String description) { - super(description); - } - - public TextSearchScope(String description, IResource[] resources) { - super(description, resources); - } - - public TextSearchScope(String description, IAdaptable[] elements) { - super(description, convertToResources(elements)); - - } - - public TextSearchScope(String description, IWorkingSet[] workingSets) { - super(description, convertToResources(getElements(workingSets))); - } - - private static IResource[] convertToResources(IAdaptable[] elements) { - int length= elements.length; - Set resources= new HashSet(length); - for (int i= 0; i < length; i++) { - IResource resource= (IResource)elements[i].getAdapter(IResource.class); - if (resource != null) - resources.add(resource); - } - return (IResource[])resources.toArray(new IResource[resources.size()]); - } - - private static IAdaptable[] getElements(IWorkingSet[] workingSets) { - int length= workingSets.length; - Set elements= new HashSet(length); - for (int i= 0; i < length; i++) { - elements.addAll(Arrays.asList(workingSets[i].getElements())); - } - return (IAdaptable[])elements.toArray(new IAdaptable[elements.size()]); - } - - /** - * Adds an extension to the scope. - */ - public void addExtension(String extension) { - Pattern pattern= Pattern.compile(asRegEx(extension), Pattern.CASE_INSENSITIVE); - fExtensions.add(pattern.matcher("")); //$NON-NLS-1$ - } - - /* - * Converts '*' and '?' to regEx variables. - */ - private String asRegEx(String pattern) { - - StringBuffer out= new StringBuffer(pattern.length()); - - boolean escaped= false; - boolean quoting= false; - - int i= 0; - while (i < pattern.length()) { - char ch= pattern.charAt(i++); - - if (ch == '*' && !escaped) { - if (quoting) { - out.append("\\E"); //$NON-NLS-1$ - quoting= false; - } - out.append(".*"); //$NON-NLS-1$ - escaped= false; - continue; - } else if (ch == '?' && !escaped) { - if (quoting) { - out.append("\\E"); //$NON-NLS-1$ - quoting= false; - } - out.append("."); //$NON-NLS-1$ - escaped= false; - continue; - } else if (ch == '\\' && !escaped) { - escaped= true; - continue; - - } else if (ch == '\\' && escaped) { - escaped= false; - if (quoting) { - out.append("\\E"); //$NON-NLS-1$ - quoting= false; - } - out.append("\\\\"); //$NON-NLS-1$ - continue; - } - - if (!quoting) { - out.append("\\Q"); //$NON-NLS-1$ - quoting= true; - } - if (escaped && ch != '*' && ch != '?' && ch != '\\') - out.append('\\'); - out.append(ch); - escaped= ch == '\\'; - - } - if (quoting) - out.append("\\E"); //$NON-NLS-1$ - - return out.toString(); - } - - /** - * Adds all string patterns contained in <code>extensions</code> to this - * scope. The allowed pattern characters are <code>*</code> for any character - * and <code>?</code> for one character. - */ - public void addExtensions(Set extensions) { - if (extensions == null) - return; - Iterator iter= extensions.iterator(); - while (iter.hasNext()) { - Object obj= iter.next(); - if (obj instanceof String) - addExtension((String)obj); - } - } - - /* - * Implements method from ISearchScope - */ - public boolean encloses(IResourceProxy proxy) { - if (proxy.getType() == IResource.FILE && skipFile(proxy)) - return false; - return super.encloses(proxy); - } - - boolean skipFile(IResourceProxy proxy) { - if (proxy != null) { - Iterator iter= fExtensions.iterator(); - while (iter.hasNext()) { - if (((Matcher)iter.next()).reset(proxy.getName()).matches()) - return false; - } - } - return true; - } - - /** - * Implements method from ISearchScope - * - * @deprecated As of 2.1, replaced by {@link #encloses(IResourceProxy)} - */ - public boolean encloses(IResource element) { - if (element.getType() == IResource.FILE && skipFile((IFile)element)) - return false; - return super.encloses(element); - } - - boolean skipFile(IFile file) { - if (file != null) { - Iterator iter= fExtensions.iterator(); - while (iter.hasNext()) { - if (((Matcher)iter.next()).reset(file.getName()).matches()) - return false; - } - } - return true; - } -} |