Initial import from crosswire CVS for syncingimport-1.1.1

1 files changed, 72 insertions, 0 deletions

diff --git a/include/zstr.h b/include/zstr.h
new file mode 100644
index 0000000..efcdf07
--- /dev/null
+++ b/include/zstr.h
@@ -0,0 +1,72 @@
+/*****************************************************************************
+ * zstr.h   - code for class 'zStr'- a module that reads compressed text
+ *			files.
+ *			and provides lookup and parsing functions based on
+ *			class StrKey
+ *
+ * $Id: zstr.h,v 1.4 2002/07/28 01:48:38 scribe Exp $
+ *
+ * Copyright 1998 CrossWire Bible Society (http://www.crosswire.org)
+ *	CrossWire Bible Society
+ *	P. O. Box 2528
+ *	Tempe, AZ  85280-2528
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the
+ * Free Software Foundation version 2.
+ *
+ * This program 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
+ * General Public License for more details.
+ *
+ */
+
+#ifndef ZSTR_H
+#define ZSTR_H
+
+#include <filemgr.h>
+
+#include <defs.h>
+
+class SWCompress;
+class EntriesBlock;
+
+class SWDLLEXPORT zStr {
+
+private:
+	static int instance;		// number of instantiated zStr objects or derivitives
+	EntriesBlock *cacheBlock;
+	long cacheBlockIndex;
+	bool cacheDirty;
+	char *path;
+	long lastoff;
+	long blockCount;
+	SWCompress *compressor;
+
+protected:
+	FileDesc *idxfd;
+	FileDesc *datfd;
+	FileDesc *zdxfd;
+	FileDesc *zdtfd;
+	static const int IDXENTRYSIZE;
+	static const int ZDXENTRYSIZE;
+
+	void getCompressedText(long block, long entry, char **buf);
+	void flushCache();
+	void prepText(char *buf);
+	void getKeyFromDatOffset(long ioffset, char **buf);
+	void getKeyFromIdxOffset(long ioffset, char **buf);
+
+public:
+	char nl;
+	zStr(const char *ipath, int fileMode = -1, long blockCount = 100, SWCompress *icomp = 0);
+	virtual ~zStr();
+	signed char findKeyIndex(const char *ikey, long *idxoff, long away = 0);
+	void getText(long index, char **idxbuf, char **buf);
+	void setText(const char *ikey, const char *buf, long len = -1);
+	void linkEntry(const char *destkey, const char *srckey);
+	static signed char createModule (const char *path);
+};
+
+#endif