moving trunk for module inkscape

(bzr r1)

1 files changed, 69 insertions, 0 deletions

diff --git a/src/streams-jar.h b/src/streams-jar.h
new file mode 100644
index 000000000..cba69096e
--- /dev/null
+++ b/src/streams-jar.h
@@ -0,0 +1,69 @@
+#ifndef __STREAMS_JAR_H_
+#define __STREAMS_JAR_H_
+
+#include "streams-zlib.h"
+
+namespace Inkscape {
+
+//#define DEBUG_STREAMS 1;
+
+class JarHeaderException 
+{
+public:
+    const char *what() const throw() { return "Invalid file header in jar"; }
+};
+
+/**
+ * JarBuffer
+ */
+
+class JarBuffer : public ZlibBuffer
+{
+public:
+    
+    JarBuffer(URIHandle& urih) //throws JarHeaderException
+	: ZlibBuffer(urih), compressed_size(0), compressed_left(0), method(0),
+	  flags(0)
+    { consume_header(); } 
+    virtual ~JarBuffer() {}
+    
+protected:
+
+    virtual void consume_header() throw(JarHeaderException);
+    virtual void check_signature(guint8 *data) throw(JarHeaderException);
+    virtual unsigned int get_compressed_size() const { return compressed_size; }
+    virtual unsigned int get_compressed_left() const { return compressed_left; }
+    virtual GByteArray *inflate(guint8 *data, int nbytes);
+    virtual int consume_and_inflate();
+    virtual void reset();
+    virtual bool is_compressed() const { return (method == 8 || flags & 0x0008);}
+    virtual int consume_compressed(int nbytes);
+    virtual int consume_uncompressed(int nbytes);
+    guint32 unpack_4bytes(guint8 *data, const int offset);
+    guint16 unpack_2bytes(guint8 *data, const int offset);
+
+private:
+    
+    JarBuffer& operator=(JarBuffer const& rhs);
+    JarBuffer(JarBuffer const& rhs);
+
+    guint32 compressed_size;
+    guint32 compressed_left;
+    guint16 method;
+    guint16 flags;
+    guint16 eflen;
+};
+
+} // namespace Inkscape
+#endif // header guard
+
+/*
+  Local Variables:
+  mode:c++
+  c-file-style:"stroustrup"
+  c-file-offsets:((innamespace . 0)(inline-open . 0)(case-label . +))
+  indent-tabs-mode:nil
+  fill-column:99
+  End:
+*/
+// vim: filetype=cpp:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:encoding=utf-8:textwidth=99 :