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Diffstat (limited to 'rpm/org.eclipse.linuxtools.rpm.ui.editor/src/org/eclipse/linuxtools/internal/rpm/ui/editor/rules/AuthorEmailRule.java')
-rw-r--r--rpm/org.eclipse.linuxtools.rpm.ui.editor/src/org/eclipse/linuxtools/internal/rpm/ui/editor/rules/AuthorEmailRule.java243
1 files changed, 122 insertions, 121 deletions
diff --git a/rpm/org.eclipse.linuxtools.rpm.ui.editor/src/org/eclipse/linuxtools/internal/rpm/ui/editor/rules/AuthorEmailRule.java b/rpm/org.eclipse.linuxtools.rpm.ui.editor/src/org/eclipse/linuxtools/internal/rpm/ui/editor/rules/AuthorEmailRule.java
index 2b599a76cd..a4dd1e30cf 100644
--- a/rpm/org.eclipse.linuxtools.rpm.ui.editor/src/org/eclipse/linuxtools/internal/rpm/ui/editor/rules/AuthorEmailRule.java
+++ b/rpm/org.eclipse.linuxtools.rpm.ui.editor/src/org/eclipse/linuxtools/internal/rpm/ui/editor/rules/AuthorEmailRule.java
@@ -1,9 +1,11 @@
/*******************************************************************************
- * Copyright (c) 2007, 2009 Red Hat, Inc.
- * All rights reserved. This program and the accompanying materials
- * are made available under the terms of the Eclipse Public License v1.0
- * which accompanies this distribution, and is available at
- * http://www.eclipse.org/legal/epl-v10.html
+ * Copyright (c) 2007, 2018 Red Hat, Inc.
+ *
+ * This program and the accompanying materials are made
+ * available under the terms of the Eclipse Public License 2.0
+ * which is available at https://www.eclipse.org/legal/epl-2.0/
+ *
+ * SPDX-License-Identifier: EPL-2.0
*
* Contributors:
* Red Hat - initial API and implementation
@@ -18,121 +20,120 @@ import org.eclipse.jface.text.rules.Token;
public class AuthorEmailRule implements IPredicateRule {
- /** Buffer used for pattern detection */
- private StringBuilder fBuffer = new StringBuilder();
-
- /** The success token */
- private IToken token;
-
- protected static final char START_CHAR = '<';
-
- protected static final char END_CHAR = '>';
-
- protected static final char[] INTER_CHARS = { '@', '.' };
-
- protected static final int STATE_START = 0;
-
- protected static final int STATE_OPENED = 1;
-
- protected static final int STATE_AT = 2;
-
- protected static final int STATE_PERIOD = 3;
-
- protected static final int STATE_DONE = 4;
-
- public AuthorEmailRule(IToken token) {
- this.token = token;
- }
-
- @Override
- public IToken getSuccessToken() {
- return token;
- }
-
- @Override
- public IToken evaluate(ICharacterScanner scanner, boolean resume) {
- /*
- * whether we think we're reading the ending sequence, i.e. the next
- * section heading
- */
- int state = STATE_START;
- fBuffer.setLength(0);
- int c;
-
- do {
- c = scanner.read();
- fBuffer.append((char) c);
-
- // we have reached the end of file or line prematurely, this is not
- // considered success
- if (c == ICharacterScanner.EOF || (char) c == '\n') {
- unreadBuffer(scanner, fBuffer);
- return Token.UNDEFINED;
- }
-
- // we encountered the opening character at the beginning
- if (state == STATE_START && (char) c == START_CHAR) {
- state++;
- } else if (state == STATE_OPENED) {
- // we encountered the first neccessary intermediary char
- if ((char) c == INTER_CHARS[0]) {
- state++;
- }
-
- // check if we have a valid char
- if (! (Character.isLetterOrDigit((char) c) || c == '.' || c == '_' || c == '-' || c == '@')){
- unreadBuffer(scanner, fBuffer);
- return Token.UNDEFINED;
- }
-
- // we just keep reading
-
- } else if (state == STATE_AT) {
- // we encountered the second neccessary intermediary char
- if ((char) c == INTER_CHARS[1]) {
- state++;
- }
-
- // check if we have a valid char
- if (! (Character.isLetterOrDigit((char) c) || c == '.' || c == '_' || c == '-')){
- unreadBuffer(scanner, fBuffer);
- return Token.UNDEFINED;
- }
- // we just keep reading
- } else if (state == STATE_PERIOD) {
- // the last char before the ending char cannot be a '.'
- if ((char) c == END_CHAR && fBuffer.charAt(fBuffer.length() - 1) != '.') {
- state++;
- } else if ((char) c == END_CHAR){
- unreadBuffer(scanner, fBuffer);
- return Token.UNDEFINED;
- }
- } else {
- unreadBuffer(scanner, fBuffer);
- return Token.UNDEFINED;
- }
-
- } while (state != STATE_DONE);
-
- // we've gone through all states until we've reached STATE_DONE, success
- return token;
- }
-
- @Override
- public IToken evaluate(ICharacterScanner scanner) {
- return evaluate(scanner, false);
- }
-
- /**
- * Returns the characters in the buffer to the scanner.
- *
- * @param scanner
- * the scanner to be used
- */
- protected void unreadBuffer(ICharacterScanner scanner, StringBuilder buffer) {
- for (int i = buffer.length() - 1; i >= 0; i--) {
- scanner.unread();
- }
- }
+ /** Buffer used for pattern detection */
+ private StringBuilder fBuffer = new StringBuilder();
+
+ /** The success token */
+ private IToken token;
+
+ protected static final char START_CHAR = '<';
+
+ protected static final char END_CHAR = '>';
+
+ protected static final char[] INTER_CHARS = { '@', '.' };
+
+ protected static final int STATE_START = 0;
+
+ protected static final int STATE_OPENED = 1;
+
+ protected static final int STATE_AT = 2;
+
+ protected static final int STATE_PERIOD = 3;
+
+ protected static final int STATE_DONE = 4;
+
+ public AuthorEmailRule(IToken token) {
+ this.token = token;
+ }
+
+ @Override
+ public IToken getSuccessToken() {
+ return token;
+ }
+
+ @Override
+ public IToken evaluate(ICharacterScanner scanner, boolean resume) {
+ /*
+ * whether we think we're reading the ending sequence, i.e. the next section
+ * heading
+ */
+ int state = STATE_START;
+ fBuffer.setLength(0);
+ int c;
+
+ do {
+ c = scanner.read();
+ fBuffer.append((char) c);
+
+ // we have reached the end of file or line prematurely, this is not
+ // considered success
+ if (c == ICharacterScanner.EOF || (char) c == '\n') {
+ unreadBuffer(scanner, fBuffer);
+ return Token.UNDEFINED;
+ }
+
+ // we encountered the opening character at the beginning
+ if (state == STATE_START && (char) c == START_CHAR) {
+ state++;
+ } else if (state == STATE_OPENED) {
+ // we encountered the first neccessary intermediary char
+ if ((char) c == INTER_CHARS[0]) {
+ state++;
+ }
+
+ // check if we have a valid char
+ if (!(Character.isLetterOrDigit((char) c) || c == '.' || c == '_' || c == '-' || c == '@')) {
+ unreadBuffer(scanner, fBuffer);
+ return Token.UNDEFINED;
+ }
+
+ // we just keep reading
+
+ } else if (state == STATE_AT) {
+ // we encountered the second neccessary intermediary char
+ if ((char) c == INTER_CHARS[1]) {
+ state++;
+ }
+
+ // check if we have a valid char
+ if (!(Character.isLetterOrDigit((char) c) || c == '.' || c == '_' || c == '-')) {
+ unreadBuffer(scanner, fBuffer);
+ return Token.UNDEFINED;
+ }
+ // we just keep reading
+ } else if (state == STATE_PERIOD) {
+ // the last char before the ending char cannot be a '.'
+ if ((char) c == END_CHAR && fBuffer.charAt(fBuffer.length() - 1) != '.') {
+ state++;
+ } else if ((char) c == END_CHAR) {
+ unreadBuffer(scanner, fBuffer);
+ return Token.UNDEFINED;
+ }
+ } else {
+ unreadBuffer(scanner, fBuffer);
+ return Token.UNDEFINED;
+ }
+
+ } while (state != STATE_DONE);
+
+ // we've gone through all states until we've reached STATE_DONE, success
+ return token;
+ }
+
+ @Override
+ public IToken evaluate(ICharacterScanner scanner) {
+ return evaluate(scanner, false);
+ }
+
+ /**
+ * Returns the characters in the buffer to the scanner.
+ *
+ * @param scanner the scanner to be used
+ */
+ protected void unreadBuffer(ICharacterScanner scanner, StringBuilder buffer) {
+ for (int i = buffer.length() - 1; i >= 0; i--) {
+ scanner.unread();
+ }
+ }
}

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