From 705a06dea7d4d77ef9239ea61185f823a451977f Mon Sep 17 00:00:00 2001
From: kitfox
Date: Thu, 12 Apr 2007 16:21:34 +0000
Subject: Pseudocode for main rendering logic.

git-svn-id: https://svn.java.net/svn/svgsalamander~svn/trunk/svg-core@9 7dc7fa77-23fb-e6ad-8e2e-c86bd48ed22b
---
 .../com/kitfox/salamander/parser/SVGParser.java    | 42 ++++++++++++++++++++--
 1 file changed, 40 insertions(+), 2 deletions(-)

(limited to 'src')

diff --git a/src/main/java/com/kitfox/salamander/parser/SVGParser.java b/src/main/java/com/kitfox/salamander/parser/SVGParser.java
index efdf6b9..d588b08 100755
--- a/src/main/java/com/kitfox/salamander/parser/SVGParser.java
+++ b/src/main/java/com/kitfox/salamander/parser/SVGParser.java
@@ -9,9 +9,15 @@
 
 package com.kitfox.salamander.parser;
 
+import java.io.BufferedInputStream;
+import java.io.ByteArrayInputStream;
+import java.io.DataInputStream;
 import java.io.File;
 import java.io.FileInputStream;
 import java.io.IOException;
+import java.io.InputStream;
+import java.util.zip.ZipEntry;
+import java.util.zip.ZipInputStream;
 import org.xml.sax.InputSource;
 import org.xml.sax.SAXException;
 import org.xml.sax.XMLReader;
@@ -33,7 +39,12 @@ public class SVGParser
     {
     }
 
-    public static void parse(File source, SVGParserListener listener, boolean skipUpToDateFiles)
+    /**
+     * Parse an SVG document.  The document may be either uncompressed XML (.svg) 
+     * or a zipped document (.svgz).  This routine will automatically detect
+     * zipped documents and unzip them.
+     */
+    public static void parse(File source, SVGParserListener listener)
     {
         try
         {
@@ -42,7 +53,34 @@ public class SVGParser
             SVGParserHandler handler = new SVGParserHandler(listener);
             parser.setContentHandler(handler);
 
-            InputSource is = new InputSource(new FileInputStream(source));
+            FileInputStream fis = new FileInputStream(source);
+            BufferedInputStream bis = new BufferedInputStream(fis);
+            bis.mark(4);
+            //Check for gzip magic number
+            DataInputStream din = new DataInputStream(bis);
+            long magicNumber = din.readLong();
+            bis.reset();
+            
+            InputStream svgStream;
+            if ((int)magicNumber == 0x4b50)
+            {
+                //PK Zip file
+                ZipInputStream zin = new ZipInputStream(bis);
+                ZipEntry entry = zin.getNextEntry();
+                byte[] buf = new byte[(int)entry.getSize()];
+                for (int offset = 0; offset < buf.length; offset += zin.read(buf, offset, buf.length - offset));
+                zin.closeEntry();
+                zin.close();
+                
+                svgStream = new ByteArrayInputStream(buf);
+            }
+            else
+            {
+                //Treat input as uncompressed XML
+                svgStream = bis;
+            }
+            
+            InputSource is = new InputSource(svgStream);
             parser.parse(is);
 
         }
-- 
cgit v1.2.3-55-g7522