added histedit.h -- interface for libedit.a

include/histedit.h

@@ -0,0 +1,176 @@
+/*-
+ * Copyright (c) 1992, 1993
+ *	The Regents of the University of California.  All rights reserved.
+ *
+ * This code is derived from software contributed to Berkeley by
+ * Christos Zoulas of Cornell University.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. 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.
+ * 3. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *	This product includes software developed by the University of
+ *	California, Berkeley and its contributors.
+ * 4. Neither the name of the University 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 REGENTS 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 REGENTS 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.
+ *
+ *	@(#)histedit.h	8.2 (Berkeley) 1/3/94
+ */
+
+/*
+ * histedit.h: Line editor and history interface.
+ */
+#ifndef _h_editline
+#define _h_editline
+
+#ifndef _SYS_TYPES_H_
+#include <sys/types.h>
+#endif
+#ifndef __stdio__
+#include <stdio.h>
+#endif
+
+/*
+ * ==== Editing ====
+ */
+typedef struct editline EditLine;
+
+/*
+ * For user-defined function interface
+ */
+typedef struct lineinfo {
+    __const char *buffer;
+    __const char *cursor;
+    __const char *lastchar;
+} LineInfo;
+
+
+/*
+ * EditLine editor function return codes.
+ * For user-defined function interface
+ */
+#define	CC_NORM		0
+#define	CC_NEWLINE	1
+#define	CC_EOF		2
+#define CC_ARGHACK	3
+#define CC_REFRESH	4
+#define	CC_CURSOR	5
+#define	CC_ERROR	6
+#define CC_FATAL	7
+
+/*
+ * Initialization, cleanup, and resetting
+ */
+EditLine	*el_init	__P((const char *, FILE *, FILE *));
+void		 el_reset	__P((EditLine *));
+void		 el_end		__P((EditLine *));
+
+
+/*
+ * Get a line, a character or push a string back in the input queue
+ */
+__const char    *el_gets	__P((EditLine *, int *));
+int		 el_getc	__P((EditLine *, char *));
+void		 el_push	__P((EditLine *, const char *));
+
+/*
+ * High level function internals control
+ * Parses argc, argv array and executes builtin editline commands
+ */
+int		 el_parse	__P((EditLine *, int, char **));
+
+/*
+ * Low level editline access function
+ */
+int 		 el_set		__P((EditLine *, int, ...));
+
+/*
+ * el_set/el_get parameters
+ */
+#define EL_PROMPT	0	/* , el_pfunc_t);		*/
+#define EL_TERMINAL	1	/* , const char *);		*/
+#define EL_EDITOR	2	/* , const char *);		*/
+#define EL_SIGNAL	3	/* , int);			*/
+#define	EL_BIND		4	/* , const char *, ..., NULL);	*/
+#define	EL_TELLTC	5	/* , const char *, ..., NULL);	*/
+#define	EL_SETTC	6	/* , const char *, ..., NULL);	*/
+#define	EL_ECHOTC	7	/* , const char *, ..., NULL);	*/
+#define	EL_SETTY	8	/* , const char *, ..., NULL);	*/
+#define	EL_ADDFN	9	/* , const char *, const char *	*/
+				/* , el_func_t);		*/
+#define EL_HIST		10	/* , hist_fun_t, const char *);	*/
+
+/*
+ * Source named file or $PWD/.editrc or $HOME/.editrc
+ */
+int		el_source	__P((EditLine *, const char *));
+
+/*
+ * Must be called when the terminal changes size; If EL_SIGNAL
+ * is set this is done automatically otherwise it is the responsibility
+ * of the application
+ */
+void		 el_resize	__P((EditLine *));
+
+
+/*
+ * User-defined function interface.
+ */
+__const LineInfo *el_line	__P((EditLine *));
+int   		  el_insertstr	__P((EditLine *, char *));
+void		  el_deletestr	__P((EditLine *, int));
+
+/*
+ * ==== History ====
+ */
+
+typedef struct history History;
+
+typedef struct HistEvent {
+    int 	  num;
+    __const char *str;
+} HistEvent;
+
+/*
+ * History access functions.
+ */
+History *		history_init	__P((void));
+void 			history_end	__P((History *));
+
+__const HistEvent *	history		__P((History *, int, ...));
+
+#define H_FUNC		 0	/* , UTSL		*/
+#define H_EVENT		 1	/* , const int);	*/
+#define H_FIRST		 2	/* , void);		*/
+#define H_LAST		 3	/* , void);		*/
+#define H_PREV		 4	/* , void);		*/
+#define H_NEXT		 5	/* , void);		*/
+#define H_CURR		 6	/* , void);		*/
+#define H_ADD		 7	/* , const char*);	*/
+#define H_ENTER		 8	/* , const char*);	*/
+#define H_END		 9	/* , void);		*/
+#define H_NEXT_STR	10	/* , const char*);	*/
+#define H_PREV_STR	11	/* , const char*);	*/
+#define H_NEXT_EVENT	12	/* , const int);	*/
+#define H_PREV_EVENT	13	/* , const int);	*/
+
+#endif /* _h_editline */