1 files changed, 124 insertions, 0 deletions
diff --git a/3rdparty/clucene/src/CLucene/util/stringreader.h b/3rdparty/clucene/src/CLucene/util/stringreader.h
new file mode 100644
index 000000000..698d07e37
--- /dev/null
+++ b/3rdparty/clucene/src/CLucene/util/stringreader.h
@@ -0,0 +1,124 @@
+/*------------------------------------------------------------------------------
+* Copyright (C) 2003-2006 Jos van den Oever
+* 
+* 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.
+------------------------------------------------------------------------------*/
+/* This file is part of Strigi Desktop Search
+ *
+ * Copyright (C) 2006 Jos van den Oever <jos@vandenoever.info>
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Library General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Library General Public License for more details.
+ *
+ * You should have received a copy of the GNU Library General Public License
+ * along with this library; see the file COPYING.LIB.  If not, write to
+ * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
+ * Boston, MA 02110-1301, USA.
+ */
+#ifndef STRINGREADER_H
+#define STRINGREADER_H
+
+/**
+ * Author: Jos van den Oever
+ *         Ben van Klinken
+ **/
+
+
+#include "streambase.h"
+
+namespace jstreams {
+
+template <class T>
+class StringReader : public StreamBase<T> {
+private:
+    int64_t markpt;
+    T* data;
+    bool dataowner;
+    StringReader(const StringReader<T>&);
+    void operator=(const StringReader<T>&);
+public:
+    StringReader(const T* value, int32_t length = -1, bool copy = true);
+    ~StringReader();
+    int32_t read(const T*& start, int32_t min, int32_t max);
+    int64_t skip(int64_t ntoskip);
+    int64_t reset(int64_t pos);
+};
+
+typedef StringReader<char> StringInputStream;
+
+template <class T>
+StringReader<T>::StringReader(const T* value, int32_t length, bool copy)
+        : markpt(0), dataowner(copy) {
+    if (length < 0) {
+        length = 0;
+        while (value[length] != '\0') {
+            length++;
+        }
+    }
+    StreamBase<T>::size = length;
+    if (copy) {
+        data = new T[length+1];
+        size_t s = (size_t)(length*sizeof(T));
+        memcpy(data, value, s);
+        data[length] = 0;
+    } else {
+        // casting away const is ok, because we don't write anyway
+        data = (T*)value;
+    }
+}
+template <class T>
+StringReader<T>::~StringReader() {
+    if (dataowner) {
+        delete [] data;
+    }
+}
+template <class T>
+int32_t
+StringReader<T>::read(const T*& start, int32_t min, int32_t max) {
+    int64_t left = StreamBase<T>::size - StreamBase<T>::position;
+    if (left == 0) {
+        StreamBase<T>::status = Eof;
+        return -1;
+    }
+    if (min < 0) min = 0;
+    int32_t nread = (int32_t)((max > left || max < 1) ?left :max);
+    start = data + StreamBase<T>::position;
+    StreamBase<T>::position += nread;
+    if (StreamBase<T>::position == StreamBase<T>::size) {
+        StreamBase<T>::status = Eof;
+    }
+    return nread;
+}
+template <class T>
+int64_t
+StringReader<T>::skip(int64_t ntoskip) {
+    const T* start;
+    return read(start, ntoskip, ntoskip);
+}
+template <class T>
+int64_t
+StringReader<T>::reset(int64_t newpos) {
+    if (newpos < 0) {
+        StreamBase<T>::status = Ok;
+        StreamBase<T>::position = 0;
+    } else if (newpos < StreamBase<T>::size) {
+        StreamBase<T>::status = Ok;
+        StreamBase<T>::position = newpos;
+    } else {
+        StreamBase<T>::position = StreamBase<T>::size;
+        StreamBase<T>::status = Eof;
+    }
+    return StreamBase<T>::position;
+}
+
+} // end namespace jstreams
+
+#endif