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[dvibrowser/dvi2epub.git] / src / jp / sourceforge / dvibrowser / dvicore / special / HtmlSpecialParser.java

diff --git a/src/jp/sourceforge/dvibrowser/dvicore/special/HtmlSpecialParser.java b/src/jp/sourceforge/dvibrowser/dvicore/special/HtmlSpecialParser.java
deleted file mode 100644 (file)
index 93f031c..0000000
--- a/src/jp/sourceforge/dvibrowser/dvicore/special/HtmlSpecialParser.java
+++ /dev/null
@@ -1,161 +0,0 @@
-/*
- * Copyright (c) 2009, 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.dvicore.special;
-
-import java.util.Stack;
-import java.util.regex.Matcher;
-import java.util.regex.Pattern;
-
-import jp.sourceforge.dvibrowser.dvicore.DviException;
-import jp.sourceforge.dvibrowser.dvicore.DviObject;
-import jp.sourceforge.dvibrowser.dvicore.api.DviContextSupport;
-import jp.sourceforge.dvibrowser.dvicore.api.DviDocument;
-
-
-// TODO: support Logging
-public class HtmlSpecialParser
-extends DviObject
-{
-  private final AnchorSet anchorSet = new AnchorSet();
-  private final PrivateExecuter exe;
-
-  public HtmlSpecialParser(DviContextSupport dcs)
-  {
-    super(dcs);
-    exe = new PrivateExecuter(dcs, anchorSet);
-  }
-
-  private static final Pattern hrefPat
-    = Pattern.compile(
-      "\\s*html:\\s*<a\\s*href\\s*=\\s*\"(.*)\"\\s*>",
-      Pattern.CASE_INSENSITIVE
-    );
-  private static final Pattern namePat
-    = Pattern.compile(
-      "\\s*html:\\s*<a\\s*name\\s*=\\s*\"(.*)\"\\s*>",
-      Pattern.CASE_INSENSITIVE
-    );
-  private static final Pattern endPat
-    = Pattern.compile(
-      "\\s*html:\\s*</a>",
-      Pattern.CASE_INSENSITIVE
-    );
-  
-  public void execute(DviDocument doc)
-  throws DviException
-  {
-    for (int p=0; p<doc.getTotalPages(); p++) {
-      exe.execute(doc.getPage(p));
-    }
-  }
-
-  public AnchorSet getAnchorSet()
-  {
-    return anchorSet;
-  }
-
-  private static class PrivateExecuter
-  extends AbstractDviSpecialExecutor
-  {
-    private final AnchorSet anchorSet;
-    public PrivateExecuter(DviContextSupport dcs, AnchorSet anchorSet) {
-      super(dcs);
-      this.anchorSet = anchorSet;
-    }
-
-    private static class StackItem
-    {
-      private final long start;
-      private final String tag;
-      private final String data;
-      public StackItem(long start, String tag, String data) {
-        this.start = start;
-        this.tag = tag;
-        this.data = data;
-      }
-    }
-
-    private final Stack<StackItem> stack
-      = new Stack<StackItem>();
-
-    public void doSpecial(byte [] _xxx)
-    throws DviException
-    {
-      String xxx = new String(_xxx);
-      Matcher mat;
-      DviExecutorContextImpl ctx = getExecutorContext();
-      if ((mat = hrefPat.matcher(xxx)).matches()) {
-        stack.push(
-          new StackItem(
-            ctx.getCommandRange().begin(),
-            "href",
-            mat.group(1)
-          )
-        );
-      } else if ((mat = namePat.matcher(xxx)).matches()) {
-        stack.push(
-          new StackItem(
-            ctx.getCommandRange().begin(),
-            "name",
-            mat.group(1)
-          )
-        );
-      } else if ((mat = endPat.matcher(xxx)).matches()) {
-        Anchor el = null;
-        if (!stack.empty()) {
-          StackItem it = stack.pop();
-          if ("href".equals(it.tag)) {
-            el = new Anchor.Href(
-              it.start,
-              ctx.getCommandRange().end(),
-              it.data
-            );
-          } else if ("name".equals(it.tag)) {
-            el = new Anchor.Name(
-              it.start,
-              ctx.getCommandRange().end(),
-              it.data
-            );
-          }
-        } else {
-          // TODO: logging
-//          System.out.println("html tag stack underflow.");
-          // This is an error.  We ignore it.
-        }
-        if (el != null) {
-          anchorSet.add(el);
-        }
-      }
-    }
-  }
-}