OOXML files support

include/opc/inputstream.h

@@ -0,0 +1,74 @@
+/*
+ Copyright (c) 2010, Florian Reuter
+ 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.
+ * Neither the name of Florian Reuter nor the names of its contributors 
+   may be used to endorse or promote products derived from this 
+   software without specific prior written permission.
+ 
+ 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.
+ 
+*/
+/** @file opc/inputstream.h
+ 
+ */
+#include <opc/config.h>
+
+#ifndef OPC_INPUTSTREAM_H
+#define OPC_INPUTSTREAM_H
+
+#ifdef __cplusplus
+extern "C" {
+#endif    
+    /**
+      Internal type which represents a binary input stream.
+      */
+    typedef struct OPC_CONTAINER_INPUTSTREAM_STRUCT opcContainerInputStream;
+
+    /**
+      Opens the part \c name of the \c container for reading.
+      */
+    opcContainerInputStream* opcContainerOpenInputStream(opcContainer *container, const xmlChar *name);
+
+    /**
+     Reads maximal \c buffer_len bytes from the input \c stream to \c buffer. 
+     \return The number of byes read or "0" in case of an error or end-of-stream.
+     */
+    opc_uint32_t opcContainerReadInputStream(opcContainerInputStream* stream, opc_uint8_t *buffer, opc_uint32_t buffer_len);
+
+    /**
+      Closes the input stream and releases all system resources.
+      */
+    opc_error_t opcContainerCloseInputStream(opcContainerInputStream* stream);
+
+    /**
+      Returns the type of compression used for the stream.
+      */
+    opcCompressionOption_t opcContainerGetInputStreamCompressionOption(opcContainerInputStream* stream);
+
+#ifdef __cplusplus
+} /* extern "C" */
+#endif    
+        
+#endif /* OPC_INPUTSTREAM_H */