+/*
+ * Jexer - Java Text User Interface
+ *
+ * The MIT License (MIT)
+ *
+ * Copyright (C) 2017 Kevin Lamonte
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+ * DEALINGS IN THE SOFTWARE.
+ *
+ * @author Kevin Lamonte [kevin.lamonte@gmail.com]
+ * @version 1
+ */
+package jexer.teditor;
+
+import java.util.SortedMap;
+import java.util.TreeMap;
+
+import jexer.bits.CellAttributes;
+import jexer.bits.Color;
+
+/**
+ * Highlighter provides color choices for certain text strings.
+ */
+public class Highlighter {
+
+ /**
+ * The highlighter colors.
+ */
+ private SortedMap<String, CellAttributes> colors;
+
+ /**
+ * Public constructor sets the theme to the default.
+ */
+ public Highlighter() {
+ colors = new TreeMap<String, CellAttributes>();
+ }
+
+ /**
+ * See if this is a character that should split a word.
+ *
+ * @param ch the character
+ * @return true if the word should be split
+ */
+ public boolean shouldSplit(final char ch) {
+ // For now, split on punctuation
+ String punctuation = "'\"\\<>{}[]!@#$%^&*();:.,-+/*?";
+ if (punctuation.indexOf(ch) != -1) {
+ return true;
+ }
+ return false;
+ }
+
+ /**
+ * Retrieve the CellAttributes for a named theme color.
+ *
+ * @param name theme color name, e.g. "twindow.border"
+ * @return color associated with name, e.g. bold yellow on blue
+ */
+ public CellAttributes getColor(final String name) {
+ CellAttributes attr = (CellAttributes) colors.get(name);
+ return attr;
+ }
+
+ /**
+ * Sets to defaults that resemble the Borland IDE colors.
+ */
+ public void setJavaColors() {
+ CellAttributes color;
+
+ String [] keywords = {
+ "boolean", "byte", "short", "int", "long", "char", "float",
+ "double", "void", "new",
+ "static", "final", "volatile", "synchronized", "abstract",
+ "public", "private", "protected",
+ "class", "interface", "extends", "implements",
+ "if", "else", "do", "while", "for", "break", "continue",
+ "switch", "case", "default",
+ };
+ color = new CellAttributes();
+ color.setForeColor(Color.WHITE);
+ color.setBackColor(Color.BLUE);
+ color.setBold(true);
+ for (String str: keywords) {
+ colors.put(str, color);
+ }
+
+ String [] operators = {
+ "[", "]", "(", ")", "{", "}",
+ "*", "-", "+", "/", "=", "%",
+ "^", "&", "!", "<<", ">>", "<<<", ">>>",
+ "&&", "||",
+ ">", "<", ">=", "<=", "!=", "==",
+ ",", ";", ".", "?", ":",
+ };
+ color = new CellAttributes();
+ color.setForeColor(Color.CYAN);
+ color.setBackColor(Color.BLUE);
+ color.setBold(true);
+ for (String str: operators) {
+ colors.put(str, color);
+ }
+
+ String [] packageKeywords = {
+ "package", "import",
+ };
+ color = new CellAttributes();
+ color.setForeColor(Color.GREEN);
+ color.setBackColor(Color.BLUE);
+ color.setBold(true);
+ for (String str: packageKeywords) {
+ colors.put(str, color);
+ }
+
+ }
+
+
+}