public void testBufferWithLargeFile() throws Exception {
final char[] chars = "0123456789abcdef".toCharArray();
final char[] manyChars = new char[10000];
for (int i = 0; i < manyChars.length; ++i) {
manyChars[i] = chars[i % chars.length];
}
final String s0 = new String(manyChars);
final StringTextSource textSource = new StringTextSource(s0);
assertSame(s0, textSource.getText());
final File file = new File(getDirectory(), "myfile.txt");
final Buffer buffer = new BufferImplementation(s_resources, textSource, file);
assertEquals(Buffer.TEXT_BUFFER, buffer.getType());
assertTrue(!buffer.isDirty());
assertTrue(!buffer.isUpToDate());
assertEquals(file, buffer.getFile());
assertEquals(textSource, buffer.getTextSource());
buffer.save();
assertTrue(!buffer.isDirty());
assertTrue(buffer.isUpToDate());
assertSame(s0, textSource.getText());
buffer.load();
assertTrue(!buffer.isDirty());
assertTrue(buffer.isUpToDate());
assertEquals(canonicaliseLineEndings(s0), textSource.getText());
assertNotSame(s0, textSource.getText());
}
public void testBufferWithAssociatedFile() throws Exception {
final String s0 = "A shield for your eyes\na beast in the well on your hand";
final String s1 =
"Catch the mean beast\nin the well in the hell on the back\n"
+ "Watch out! You've got no shield\n"
+ "Break up! He's got no peace";
final StringTextSource textSource = new StringTextSource(s0);
assertSame(s0, textSource.getText());
final File file = new File(getDirectory(), "myfile.txt");
final Buffer buffer = new BufferImplementation(s_resources, textSource, file);
assertEquals(Buffer.TEXT_BUFFER, buffer.getType());
assertTrue(!buffer.isDirty());
assertTrue(!buffer.isUpToDate());
assertEquals(file, buffer.getFile());
assertEquals(textSource, buffer.getTextSource());
buffer.save();
assertTrue(!buffer.isDirty());
assertTrue(buffer.isUpToDate());
assertSame(s0, textSource.getText());
textSource.setText(s1);
textSource.markDirty();
assertTrue(buffer.isDirty());
assertTrue(buffer.isUpToDate());
assertSame(s1, textSource.getText());
buffer.load();
assertTrue(!buffer.isDirty());
assertTrue(buffer.isUpToDate());
assertEquals(canonicaliseLineEndings(s0), textSource.getText());
assertNotSame(s0, textSource.getText());
// Add an error margin, as Linux does not support setting the modification
// date with millisecond precision.
assertTrue(file.setLastModified(System.currentTimeMillis() + 1000));
assertTrue(!buffer.isUpToDate());
buffer.load();
assertTrue(buffer.isUpToDate());
assertEquals(textSource, buffer.getTextSource());
}
public void testBufferWithBadAssociatedFile() throws Exception {
final StringTextSource textSource = new StringTextSource("");
final Buffer buffer = new BufferImplementation(s_resources, textSource, getDirectory());
try {
buffer.load();
fail("Expected DisplayMessageConsoleException");
} catch (DisplayMessageConsoleException e) {
assertTrue(e.getCause() instanceof IOException);
}
try {
buffer.save();
fail("Expected DisplayMessageConsoleException");
} catch (DisplayMessageConsoleException e) {
assertTrue(e.getCause() instanceof IOException);
}
}
public void testBufferWithNoFile() throws Exception {
final String text = "Some text for testing with";
final TextSource textSource = new StringTextSource(text);
assertEquals(text, textSource.getText());
final Buffer buffer = new BufferImplementation(s_resources, textSource, "My Buffer");
assertNotNull(textSource.getText());
assertEquals(text, textSource.getText());
assertEquals("My Buffer", buffer.getDisplayName());
assertTrue(buffer.toString().indexOf(buffer.getDisplayName()) >= 0);
try {
buffer.load();
fail("Expected EditorException");
} catch (EditorException e) {
}
try {
buffer.save();
fail("Expected EditorException");
} catch (EditorException e) {
}
assertTrue(!buffer.isDirty());
assertTrue(buffer.isUpToDate());
assertNull(buffer.getFile());
assertEquals(textSource, buffer.getTextSource());
assertEquals(Buffer.UNKNOWN_BUFFER, buffer.getType());
assertTrue(!buffer.isDirty());
assertTrue(buffer.isUpToDate());
assertNull(buffer.getFile());
assertEquals(textSource, buffer.getTextSource());
}
/**
* Replaces all occurrences of the search string with the replacement string.
*
* @param view The view
* @param dontOpenChangedFiles Whether to open changed files or to autosave them quietly
* @return the number of modified files
*/
public static boolean replaceAll(View view, boolean dontOpenChangedFiles) {
// component that will parent any dialog boxes
Component comp = SearchDialog.getSearchDialog(view);
if (comp == null) comp = view;
if (fileset.getFileCount(view) == 0) {
GUIUtilities.error(comp, "empty-fileset", null);
return false;
}
record(view, "replaceAll(view)", true, true);
view.showWaitCursor();
boolean smartCaseReplace = getSmartCaseReplace();
int fileCount = 0;
int occurCount = 0;
try {
SearchMatcher matcher = getSearchMatcher();
if (matcher == null) return false;
initReplace();
String path = fileset.getFirstFile(view);
loop:
while (path != null) {
Buffer buffer = jEdit.openTemporary(view, null, path, false);
/* this is stupid and misleading.
* but 'path' is not used anywhere except
* the above line, and if this is done
* after the 'continue', then we will
* either hang, or be forced to duplicate
* it inside the buffer == null, or add
* a 'finally' clause. you decide which one's
* worse. */
path = fileset.getNextFile(view, path);
if (buffer == null) continue loop;
// Wait for buffer to finish loading
if (buffer.isPerformingIO()) VFSManager.waitForRequests();
if (!buffer.isEditable()) continue loop;
// Leave buffer in a consistent state if
// an error occurs
int retVal = 0;
try {
buffer.beginCompoundEdit();
retVal = _replace(view, buffer, matcher, 0, buffer.getLength(), smartCaseReplace);
} finally {
buffer.endCompoundEdit();
}
if (retVal != 0) {
fileCount++;
occurCount += retVal;
if (dontOpenChangedFiles) {
buffer.save(null, null);
} else {
jEdit.commitTemporary(buffer);
jEdit.getBufferSetManager().addBuffer(view, buffer);
}
}
}
} catch (Exception e) {
handleError(comp, e);
} finally {
view.hideWaitCursor();
}
/* Don't do this when playing a macro, cos it's annoying */
if (!BeanShell.isScriptRunning()) {
Object[] args = {Integer.valueOf(occurCount), Integer.valueOf(fileCount)};
view.getStatus().setMessageAndClear(jEdit.getProperty("view.status.replace-all", args));
if (occurCount == 0) view.getToolkit().beep();
}
return (fileCount != 0);
} // }}}
