+ if (!lines.get(lineNumber).right()) {
+ // We are on the rightmost column, wrap
+ if (down()) {
+ home();
+ } else {
+ return false;
+ }
+ }
+ return true;
+ }
+
+ /**
+ * Go back to the beginning of this word if in the middle, or the
+ * beginning of the previous word.
+ */
+ public void backwardsWord() {
+
+ // If at the beginning of a word already, push past it.
+ if ((getChar() != -1)
+ && (getRawLine().length() > 0)
+ && !Character.isSpace((char) getChar())
+ ) {
+ left();
+ }
+
+ // int line = lineNumber;
+ while ((getChar() == -1)
+ || (getRawLine().length() == 0)
+ || Character.isSpace((char) getChar())
+ ) {
+ if (left() == false) {
+ return;
+ }
+ }
+
+
+ assert (getChar() != -1);
+
+ if (!Character.isSpace((char) getChar())
+ && (getRawLine().length() > 0)
+ ) {
+ // Advance until at the beginning of the document or a whitespace
+ // is encountered.
+ while (!Character.isSpace((char) getChar())) {
+ int line = lineNumber;
+ if (left() == false) {
+ // End of document, bail out.
+ return;
+ }
+ if (lineNumber != line) {
+ // We wrapped a line. Here that counts as whitespace.
+ right();
+ return;
+ }
+ }
+ }
+
+ // We went one past the word, push back to the first character of
+ // that word.
+ right();
+ return;
+ }
+
+ /**
+ * Go to the beginning of the next word.
+ */
+ public void forwardsWord() {
+ int line = lineNumber;
+ while ((getChar() == -1)
+ || (getRawLine().length() == 0)
+ ) {
+ if (right() == false) {
+ return;
+ }
+ if (lineNumber != line) {
+ // We wrapped a line. Here that counts as whitespace.
+ if (!Character.isSpace((char) getChar())) {
+ // We found a character immediately after the line.
+ // Done!
+ return;
+ }
+ // Still looking...
+ line = lineNumber;
+ }
+ }
+ assert (getChar() != -1);
+
+ if (!Character.isSpace((char) getChar())
+ && (getRawLine().length() > 0)
+ ) {
+ // Advance until at the end of the document or a whitespace is
+ // encountered.
+ while (!Character.isSpace((char) getChar())) {
+ line = lineNumber;
+ if (right() == false) {
+ // End of document, bail out.
+ return;
+ }
+ if (lineNumber != line) {
+ // We wrapped a line. Here that counts as whitespace.
+ if (!Character.isSpace((char) getChar())
+ && (getRawLine().length() > 0)
+ ) {
+ // We found a character immediately after the line.
+ // Done!
+ return;
+ }
+ break;
+ }
+ }
+ }
+
+ while ((getChar() == -1)
+ || (getRawLine().length() == 0)
+ ) {
+ if (right() == false) {
+ return;
+ }
+ if (lineNumber != line) {
+ // We wrapped a line. Here that counts as whitespace.
+ if (!Character.isSpace((char) getChar())) {
+ // We found a character immediately after the line.
+ // Done!
+ return;
+ }
+ // Still looking...
+ line = lineNumber;
+ }
+ }
+ assert (getChar() != -1);
+
+ if (Character.isSpace((char) getChar())) {
+ // Advance until at the end of the document or a non-whitespace
+ // is encountered.
+ while (Character.isSpace((char) getChar())) {
+ if (right() == false) {
+ // End of document, bail out.
+ return;
+ }
+ }
+ return;
+ }
+
+ // We wrapped the line to get here.
+ return;
+ }
+
+ /**
+ * Get the raw string that matches this line.
+ *
+ * @return the string
+ */
+ public String getRawLine() {
+ return lines.get(lineNumber).getRawString();