Signed-off-by: Florian Koeberle <florianskarten@xxxxxx> --- .../lib/fileiteration/FileTreeIteratorTest.java | 112 ++++++++++++++++++++ .../jgit/lib/fileiteration/FileTreeIterator.java | 110 +++++++++++++++++++ 2 files changed, 222 insertions(+), 0 deletions(-) create mode 100644 org.spearce.jgit.test/tst/org/spearce/jgit/lib/fileiteration/FileTreeIteratorTest.java create mode 100644 org.spearce.jgit/src/org/spearce/jgit/lib/fileiteration/FileTreeIterator.java diff --git a/org.spearce.jgit.test/tst/org/spearce/jgit/lib/fileiteration/FileTreeIteratorTest.java b/org.spearce.jgit.test/tst/org/spearce/jgit/lib/fileiteration/FileTreeIteratorTest.java new file mode 100644 index 0000000..a7384d3 --- /dev/null +++ b/org.spearce.jgit.test/tst/org/spearce/jgit/lib/fileiteration/FileTreeIteratorTest.java @@ -0,0 +1,112 @@ +/* + * Copyright (C) 2008 Florian Köberle + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public + * License, version 2, as published by the Free Software Foundation. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public + * License along with this library; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 + */ +package org.spearce.jgit.lib.fileiteration; + +import java.io.File; +import java.util.HashSet; +import java.util.Iterator; +import java.util.Set; + +import junit.framework.TestCase; + +public class FileTreeIteratorTest extends TestCase { + private String DIRECTORY_A_NAME = "a"; + + private String DIRECTORY_AB_NAME = "b"; + + private File projectDirectory; + + private File fileB; + + private File directoryA; + + private File directoryAB; + + private File fileABA; + + private File directoryAC; + + private File fileACA; + + private File fileACB; + + @Override + protected void setUp() throws Exception { + this.projectDirectory = File.createTempFile("FileTreeIteratorTest", ""); + projectDirectory.delete(); + projectDirectory.mkdir(); + projectDirectory.deleteOnExit(); + + this.directoryA = new File(projectDirectory, DIRECTORY_A_NAME); + directoryA.mkdir(); + + this.directoryAB = new File(directoryA, DIRECTORY_AB_NAME); + directoryAB.mkdir(); + + this.fileABA = new File(directoryAB, "a.y"); + fileABA.createNewFile(); + + this.directoryAC = new File(directoryA, "c"); + this.directoryAC.mkdir(); + + this.fileACA = new File(directoryAC, "a.x"); + fileACA.createNewFile(); + + this.fileACB = new File(directoryAC, "b.y"); + fileACB.createNewFile(); + + this.fileB = new File(projectDirectory, "b.x"); + fileB.createNewFile(); + } + + public void testFileTreeIterator() { + final Iterator<File> iterator = new FileTreeIterator(projectDirectory, + Rules.IGNORE_NOTHING, false); + final Set<File> actualPathes = new HashSet<File>(); + while (iterator.hasNext()) { + final File next = iterator.next(); + assertFalse(actualPathes.contains(next)); + actualPathes.add(next); + } + + final Set<File> expectedPathes = new HashSet<File>(); + expectedPathes.add(directoryA); + expectedPathes.add(fileB); + expectedPathes.add(directoryAB); + expectedPathes.add(fileABA); + expectedPathes.add(directoryAC); + expectedPathes.add(fileACA); + expectedPathes.add(fileACB); + assertEquals(expectedPathes, actualPathes); + + } + + public void testFileTreeIteratorWithIgnoreAllRules() { + final Iterator<File> iterator = new FileTreeIterator(projectDirectory, + Rules.IGNORE_ALL, false); + final Set<File> actualPathes = new HashSet<File>(); + while (iterator.hasNext()) { + final File next = iterator.next(); + assertFalse(actualPathes.contains(next)); + actualPathes.add(next); + } + + assertEquals(0, actualPathes.size()); + + } + +} diff --git a/org.spearce.jgit/src/org/spearce/jgit/lib/fileiteration/FileTreeIterator.java b/org.spearce.jgit/src/org/spearce/jgit/lib/fileiteration/FileTreeIterator.java new file mode 100644 index 0000000..5e76739 --- /dev/null +++ b/org.spearce.jgit/src/org/spearce/jgit/lib/fileiteration/FileTreeIterator.java @@ -0,0 +1,110 @@ +/* + * Copyright (C) 2008 Florian Köberle + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public + * License, version 2, as published by the Free Software Foundation. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public + * License along with this library; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 + */ +package org.spearce.jgit.lib.fileiteration; + +import java.io.File; +import java.util.EmptyStackException; +import java.util.Iterator; +import java.util.NoSuchElementException; +import java.util.Stack; + +class FileTreeIterator implements Iterator<File> { + private final Stack<File> remainingPathes; + + private final Stack<Directory> remainingDirectories; + + /** + * Creates a new Iterator which allows to iterate over the content of the + * specified rootDirectory. The rootDirectory itself is never included. + * + * @param rootDirectory + * the directory tree to iterate over. + * @param ignoreRules + * defines which paths are included and which aren't. + * @param includeRootDirectory + * the iterator will return the rootDirectory if this is flag is + * true. + */ + FileTreeIterator(File rootDirectory, Rules ignoreRules, + boolean includeRootDirectory) { + remainingPathes = new Stack<File>(); + if (includeRootDirectory) { + remainingPathes.add(rootDirectory); + } + remainingDirectories = new Stack<Directory>(); + remainingDirectories.add(new Directory(rootDirectory, ignoreRules)); + } + + public boolean hasNext() { + findMorePathesIfNessesary(); + return !remainingPathes.empty(); + } + + void findMorePathesIfNessesary() { + if (remainingPathes.isEmpty()) { + findMorePathes(); + } + } + + void findMorePathes() { + while (!remainingDirectories.isEmpty() && remainingPathes.isEmpty()) { + final Directory directory = remainingDirectories.pop(); + final File[] pathes = directory.path.listFiles(); + for (File path : pathes) { + final boolean fileIsDirectory = path.isDirectory(); + if (fileIsDirectory) { + final Rules subDirectoryIgnoreRules = directory.ignoreRules + .getRulesForSubDirectory(path.getName()); + if (subDirectoryIgnoreRules != Rules.IGNORE_ALL) { + final Directory subDirectory = new Directory(path, + subDirectoryIgnoreRules); + remainingDirectories.add(subDirectory); + } + } + if (!directory.ignoreRules.toIgnore(path.getName(), + fileIsDirectory)) { + remainingPathes.add(path); + } + } + } + } + + public File next() { + findMorePathesIfNessesary(); + try { + return remainingPathes.pop(); + } catch (EmptyStackException e) { + throw new NoSuchElementException(); + } + } + + public void remove() { + throw new UnsupportedOperationException(); + } + + private class Directory { + final File path; + + final Rules ignoreRules; + + Directory(File path, Rules ignoreRules) { + this.path = path; + this.ignoreRules = ignoreRules; + } + } + +} \ No newline at end of file -- 1.5.2.5 -- To unsubscribe from this list: send the line "unsubscribe git" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html