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-rw-r--r--Src/Zle/zle.h137
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diff --git a/Src/Zle/zle.h b/Src/Zle/zle.h
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+/*
+ * zle.h - header file for line editor
+ *
+ * This file is part of zsh, the Z shell.
+ *
+ * Copyright (c) 1992-1997 Paul Falstad
+ * All rights reserved.
+ *
+ * Permission is hereby granted, without written agreement and without
+ * license or royalty fees, to use, copy, modify, and distribute this
+ * software and to distribute modified versions of this software for any
+ * purpose, provided that the above copyright notice and the following
+ * two paragraphs appear in all copies of this software.
+ *
+ * In no event shall Paul Falstad or the Zsh Development Group be liable
+ * to any party for direct, indirect, special, incidental, or consequential
+ * damages arising out of the use of this software and its documentation,
+ * even if Paul Falstad and the Zsh Development Group have been advised of
+ * the possibility of such damage.
+ *
+ * Paul Falstad and the Zsh Development Group specifically disclaim any
+ * warranties, including, but not limited to, the implied warranties of
+ * merchantability and fitness for a particular purpose. The software
+ * provided hereunder is on an "as is" basis, and Paul Falstad and the
+ * Zsh Development Group have no obligation to provide maintenance,
+ * support, updates, enhancements, or modifications.
+ *
+ */
+
+#undef trashzle
+#undef zleread
+#undef spaceinline
+#undef gotword
+#undef refresh
+
+typedef struct widget *Widget;
+typedef struct thingy *Thingy;
+
+/* widgets (ZLE functions) */
+
+typedef void (*ZleIntFunc) _((void));
+
+struct widget {
+ int flags; /* flags (see below) */
+ Thingy first; /* `first' thingy that names this widget */
+ union {
+ ZleIntFunc fn; /* pointer to internally implemented widget */
+ char *fnnam; /* name of the shell function for user-defined widget */
+ } u;
+};
+
+#define WIDGET_INT (1<<0) /* widget is internally implemented */
+#define ZLE_MENUCMP (1<<1) /* DON'T invalidate completion list */
+#define ZLE_YANK (1<<3)
+#define ZLE_LINEMOVE (1<<4) /* command is a line-oriented movement */
+#define ZLE_LASTCOL (1<<5) /* command maintains lastcol correctly */
+#define ZLE_KILL (1<<6)
+#define ZLE_KEEPSUFFIX (1<<9) /* DON'T remove added suffix */
+
+/* thingies */
+
+struct thingy {
+ HashNode next; /* next node in the hash chain */
+ char *nam; /* name of the thingy */
+ int flags; /* TH_* flags (see below) */
+ int rc; /* reference count */
+ Widget widget; /* widget named by this thingy */
+ Thingy samew; /* `next' thingy (circularly) naming the same widget */
+};
+
+/* DISABLED is (1<<0) */
+#define TH_IMMORTAL (1<<1) /* can't refer to a different widget */
+
+/* command modifier prefixes */
+
+struct modifier {
+ int flags; /* MOD_* flags (see below) */
+ int mult; /* repeat count */
+ int tmult; /* repeat count actually being edited */
+ int vibuf; /* vi cut buffer */
+};
+
+#define MOD_MULT (1<<0) /* a repeat count has been selected */
+#define MOD_TMULT (1<<1) /* a repeat count is being entered */
+#define MOD_VIBUF (1<<2) /* a vi cut buffer has been selected */
+#define MOD_VIAPP (1<<3) /* appending to the vi cut buffer */
+#define MOD_NEG (1<<4) /* last command was negate argument */
+
+/* current modifier status */
+
+#define zmult (zmod.mult)
+
+/* undo system */
+
+struct change {
+ struct change *prev, *next; /* adjacent changes */
+ int flags; /* see below */
+ int hist; /* history line being changed */
+ int off; /* offset of the text changes */
+ char *del; /* characters to delete (metafied) */
+ char *ins; /* characters to insert (metafied) */
+};
+
+#define CH_NEXT (1<<0) /* next structure is also part of this change */
+#define CH_PREV (1<<1) /* previous structure is also part of this change */
+
+/* known thingies */
+
+#define Th(X) (&thingies[X])
+
+/* opaque keymap type */
+
+typedef struct keymap *Keymap;
+
+typedef void (*KeyScanFunc) _((char *, Thingy, char *, void *));
+
+#define invicmdmode() (!strcmp(curkeymapname, "vicmd"))
+
+/* Standard type of suffix removal. */
+
+#define removesuffix() iremovesuffix(256)
+
+/* Cut/kill buffer type. The buffer itself is purely binary data, *
+ * not NUL-terminated. len is a length count. flags uses the *
+ * CUTBUFFER_* constants defined below. */
+
+struct cutbuffer {
+ char *buf;
+ size_t len;
+ char flags;
+};
+
+typedef struct cutbuffer *Cutbuffer;
+
+#define CUTBUFFER_LINE 1 /* for vi: buffer contains whole lines of data */
+
+#define KRINGCT 8 /* number of buffers in the kill ring */