Change directory structure.

[dvibrowser/dvi2epub.git] / src / main / java / jp / sourceforge / dvibrowser / dvi2epub / cmd / OptionPrinter.java

diff --git a/src/main/java/jp/sourceforge/dvibrowser/dvi2epub/cmd/OptionPrinter.java b/src/main/java/jp/sourceforge/dvibrowser/dvi2epub/cmd/OptionPrinter.java
new file mode 100644 (file)
index 0000000..09a8a67
--- /dev/null
+++ b/src/main/java/jp/sourceforge/dvibrowser/dvi2epub/cmd/OptionPrinter.java
@@ -0,0 +1,100 @@
+/*
+ * Copyright (c) 2012, Takeyuki Nagao
+ * All rights reserved.
+ * 
+ * Redistribution and use in source and binary forms, with or
+ * without modification, are permitted provided that the
+ * following conditions are met:
+ * 
+ *  * Redistributions of source code must retain the above
+ *    copyright notice, this list of conditions and the
+ *    following disclaimer.
+ *  * Redistributions in binary form must reproduce the above
+ *    copyright notice, this list of conditions and the
+ *    following disclaimer in the documentation and/or other
+ *    materials provided with the distribution.
+ *    
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND
+ * CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,
+ * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
+ * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+ * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
+ * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
+ * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE
+ * USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
+ * OF SUCH DAMAGE.
+ */
+
+package jp.sourceforge.dvibrowser.dvi2epub.cmd;
+
+import java.io.PrintWriter;
+import java.util.ArrayList;
+import java.util.List;
+import java.util.Set;
+import java.util.TreeSet;
+
+public class OptionPrinter {
+       protected static class Record {
+               private String optionName;
+               private String description;
+       }
+       
+       private final PrintWriter writer;
+       private Set<String> records = new TreeSet<String>();
+       private List<Record> list = new ArrayList<Record>();
+
+       public OptionPrinter(PrintWriter writer)
+       {
+               this.writer = writer;
+       }
+       
+       public void begin()
+       {
+       }
+       
+       public void end()
+       {
+               PrintWriter writer = getWriter();
+               
+               int width = 2;
+               for (Record rec : list) {
+                       width = Math.max(width, rec.optionName.length());
+               }
+               for (Record rec : list) {
+                       writer.printf("  %-" + width + "s %s\n", rec.optionName, rec.description);
+                       writer.flush();
+               }
+       }
+       
+       public void print(String optionName, String description)
+       {
+               if (!records.contains(optionName)) 
+               {
+                       Record rec = new Record();
+                       rec.optionName = optionName;
+                       rec.description = description;
+                       list.add(rec);
+                       records.add(optionName);
+               }
+       }
+
+       public PrintWriter getWriter() {
+               return writer;
+       }
+
+       public void print(Option option) {
+               String s = option.getShortNameForHelp();
+               if (s != null) {
+                       print("-" + s, option.getDescription());
+               }
+               s = option.getLongNameForHelp();
+               if (s != null) {
+                       print("--" + s, option.getDescription());
+               }
+       }
+}