--- /dev/null
+
+/*
+ * CINELERRA
+ * Copyright (C) 2008 Adam Williams <broadcast at earthling dot net>
+ *
+ * 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; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * 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.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ *
+ */
+
+#ifndef BCHASH_H
+#define BCHASH_H
+
+
+
+// Key/value table with persistent storage in stringfiles.
+
+
+#include "bcwindowbase.inc"
+#include "bctextbox.inc"
+#include "units.h"
+
+
+class BC_Hash
+{
+public:
+ BC_Hash();
+ BC_Hash(const char *filename);
+ virtual ~BC_Hash();
+
+ int load_file(FILE *fp);
+ int load(); // load from disk file
+ int save_file(FILE *fp);
+ int save(); // save to disk file
+ int load_string(const char *string); // load from string
+ int save_string(char* &string); // save to new string
+ int update(const char *name, double value); // update a value if it exists
+ int update(const char *name, float value); // update a value if it exists
+ int update(const char *name, int32_t value); // update a value if it exists
+ int update(const char *name, int64_t value); // update a value if it exists
+ int update(const char *name, const char *value); // create it if it doesn't
+
+ double get(const char *name, double default_); // retrieve a value if it exists
+ float get(const char *name, float default_); // retrieve a value if it exists
+ int32_t get(const char *name, int32_t default_); // retrieve a value if it exists
+ int64_t get(const char *name, int64_t default_); // retrieve a value if it exists
+ char* get(const char *name, char *default_); // return 1 if it doesn't
+
+// same as above using vararg format to specify name
+ int updatef(double value, const char *fmt, ...);
+ int updatef(float value, const char *fmt, ...);
+ int updatef(int32_t value, const char *fmt, ...);
+ int updatef(int64_t value, const char *fmt, ...);
+ int updatef(const char *value, const char *fmt, ...);
+
+ double getf(double default_, const char *fmt, ...);
+ float getf(float default_, const char *fmt, ...);
+ int32_t getf(int32_t default_, const char *fmt, ...);
+ int64_t getf(int64_t default_, const char *fmt, ...);
+ char* getf(char *default_, const char *fmt, ...);
+
+// Update values with values from another table.
+// Adds values that don't exist and updates existing values.
+ void copy_from(BC_Hash *src);
+// Return 1 if the tables are equivalent
+ int equivalent(BC_Hash *src);
+
+ void dump();
+
+ int size();
+ char* get_key(int number);
+ char* get_value(int number);
+ void clear();
+
+private:
+// Reallocate table so at least total entries exist
+ void reallocate_table(int total);
+
+ char **names; // list of string names
+ char **values; // list of values
+ int total; // number of defaults
+ int allocated; // allocated defaults
+ char filename[BCTEXTLEN]; // filename the defaults are stored in
+};
+
+#endif