1 files changed, 163 insertions, 0 deletions
diff --git a/3rdparty/clucene/src/CLucene/store/IndexOutput.cpp b/3rdparty/clucene/src/CLucene/store/IndexOutput.cpp
new file mode 100644
index 000000000..04f78c348
--- /dev/null
+++ b/3rdparty/clucene/src/CLucene/store/IndexOutput.cpp
@@ -0,0 +1,163 @@
+/*------------------------------------------------------------------------------
+* Copyright (C) 2003-2006 Ben van Klinken and the CLucene Team
+* 
+* Distributable under the terms of either the Apache License (Version 2.0) or 
+* the GNU Lesser General Public License, as specified in the COPYING file.
+------------------------------------------------------------------------------*/
+#include "CLucene/StdHeader.h"
+#include "IndexOutput.h"
+
+CL_NS_USE(util)
+CL_NS_DEF(store)
+
+
+  IndexOutput::IndexOutput()
+  {
+  }
+
+  IndexOutput::~IndexOutput(){
+  }
+
+  BufferedIndexOutput::BufferedIndexOutput()
+  {
+    buffer = _CL_NEWARRAY(uint8_t, BUFFER_SIZE );
+    bufferStart = 0;
+    bufferPosition = 0;
+  }
+
+  BufferedIndexOutput::~BufferedIndexOutput(){
+  	if ( buffer != NULL )
+  		close();
+  }
+
+  void BufferedIndexOutput::close(){
+    flush();
+    _CLDELETE_ARRAY( buffer );
+
+    bufferStart = 0;
+    bufferPosition = 0;
+  }
+
+  void BufferedIndexOutput::writeByte(const uint8_t b) {
+  	CND_PRECONDITION(buffer!=NULL,"IndexOutput is closed")
+    if (bufferPosition >= BUFFER_SIZE)
+      flush();
+    buffer[bufferPosition++] = b;
+  }
+
+  void BufferedIndexOutput::writeBytes(const uint8_t* b, const int32_t length) {
+	  if ( length < 0 )
+		  _CLTHROWA(CL_ERR_IllegalArgument, "IO Argument Error. Value must be a positive value.");
+	  int32_t bytesLeft = BUFFER_SIZE - bufferPosition;
+	  // is there enough space in the buffer?
+	  if (bytesLeft >= length) {
+		  // we add the data to the end of the buffer
+		  memcpy(buffer + bufferPosition, b, length);
+		  bufferPosition += length;
+		  // if the buffer is full, flush it
+		  if (BUFFER_SIZE - bufferPosition == 0)
+			  flush();
+	  } else {
+		  // is data larger then buffer?
+		  if (length > BUFFER_SIZE) {
+			  // we flush the buffer
+			  if (bufferPosition > 0)
+				  flush();
+			  // and write data at once
+			  flushBuffer(b, length);
+			  bufferStart += length;
+		  } else {
+			  // we fill/flush the buffer (until the input is written)
+			  int64_t pos = 0; // position in the input data
+			  int32_t pieceLength;
+			  while (pos < length) {
+				  if ( length - pos < bytesLeft )
+					pieceLength =  length - pos;
+				  else
+					pieceLength = bytesLeft;
+				  memcpy(buffer + bufferPosition, b + pos, pieceLength);
+				  pos += pieceLength;
+				  bufferPosition += pieceLength;
+				  // if the buffer is full, flush it
+				  bytesLeft = BUFFER_SIZE - bufferPosition;
+				  if (bytesLeft == 0) {
+					  flush();
+					  bytesLeft = BUFFER_SIZE;
+				  }
+			  }
+		  }
+	  }
+  }
+
+  void IndexOutput::writeInt(const int32_t i) {
+    writeByte((uint8_t)(i >> 24));
+    writeByte((uint8_t)(i >> 16));
+    writeByte((uint8_t)(i >>  8));
+    writeByte((uint8_t) i);
+  }
+
+  void IndexOutput::writeVInt(const int32_t vi) {
+	uint32_t i = vi;
+    while ((i & ~0x7F) != 0) {
+      writeByte((uint8_t)((i & 0x7f) | 0x80));
+      i >>= 7; //doing unsigned shift
+    }
+    writeByte( (uint8_t)i );
+  }
+
+  void IndexOutput::writeLong(const int64_t i) {
+    writeInt((int32_t) (i >> 32));
+    writeInt((int32_t) i);
+  }
+
+  void IndexOutput::writeVLong(const int64_t vi) {
+	uint64_t i = vi;
+    while ((i & ~0x7F) != 0) {
+      writeByte((uint8_t)((i & 0x7f) | 0x80));
+      i >>= 7; //doing unsigned shift
+    }
+    writeByte((uint8_t)i);
+  }
+
+  void IndexOutput::writeString(const TCHAR* s, const int32_t length ) {
+    writeVInt(length);
+    writeChars(s, 0, length);
+  }
+
+  void IndexOutput::writeChars(const TCHAR* s, const int32_t start, const int32_t length){
+    if ( length < 0 || start < 0 )
+      _CLTHROWA(CL_ERR_IllegalArgument, "IO Argument Error. Value must be a positive value.");
+
+    const int32_t end = start + length;
+    for (int32_t i = start; i < end; ++i) {
+        const int32_t code = (int32_t)s[i];
+        if (code >= 0x01 && code <= 0x7F)
+			writeByte((uint8_t)code);
+        else if (((code >= 0x80) && (code <= 0x7FF)) || code == 0) {
+			writeByte((uint8_t)(0xC0 | (code >> 6)));
+			writeByte((uint8_t)(0x80 | (code & 0x3F)));
+        } else {
+			writeByte((uint8_t)(0xE0 | (((uint32_t)code) >> 12))); //unsigned shift
+			writeByte((uint8_t)(0x80 | ((code >> 6) & 0x3F)));
+			writeByte((uint8_t)(0x80 | (code & 0x3F)));
+        }
+    }
+  }
+
+
+  int64_t BufferedIndexOutput::getFilePointer() const{
+    return bufferStart + bufferPosition;
+  }
+
+  void BufferedIndexOutput::seek(const int64_t pos) {
+    flush();
+    bufferStart = pos;
+  }
+
+  void BufferedIndexOutput::flush() {
+    flushBuffer(buffer, bufferPosition);
+    bufferStart += bufferPosition;
+    bufferPosition = 0;
+  }
+
+CL_NS_END