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-rw-r--r--cord/private/cord_pos.h118
1 files changed, 0 insertions, 118 deletions
diff --git a/cord/private/cord_pos.h b/cord/private/cord_pos.h
deleted file mode 100644
index d2b24bb..0000000
--- a/cord/private/cord_pos.h
+++ /dev/null
@@ -1,118 +0,0 @@
-/*
- * Copyright (c) 1993-1994 by Xerox Corporation. All rights reserved.
- *
- * THIS MATERIAL IS PROVIDED AS IS, WITH ABSOLUTELY NO WARRANTY EXPRESSED
- * OR IMPLIED. ANY USE IS AT YOUR OWN RISK.
- *
- * Permission is hereby granted to use or copy this program
- * for any purpose, provided the above notices are retained on all copies.
- * Permission to modify the code and to distribute modified code is granted,
- * provided the above notices are retained, and a notice that the code was
- * modified is included with the above copyright notice.
- */
-/* Boehm, May 19, 1994 2:23 pm PDT */
-# ifndef CORD_POSITION_H
-
-/* The representation of CORD_position. This is private to the */
-/* implementation, but the size is known to clients. Also */
-/* the implementation of some exported macros relies on it. */
-/* Don't use anything defined here and not in cord.h. */
-
-# define MAX_DEPTH 48
- /* The maximum depth of a balanced cord + 1. */
- /* We don't let cords get deeper than MAX_DEPTH. */
-
-struct CORD_pe {
- CORD pe_cord;
- size_t pe_start_pos;
-};
-
-/* A structure describing an entry on the path from the root */
-/* to current position. */
-typedef struct CORD_Pos {
- size_t cur_pos;
- int path_len;
-# define CORD_POS_INVALID (0x55555555)
- /* path_len == INVALID <==> position invalid */
- const char *cur_leaf; /* Current leaf, if it is a string. */
- /* If the current leaf is a function, */
- /* then this may point to function_buf */
- /* containing the next few characters. */
- /* Always points to a valid string */
- /* containing the current character */
- /* unless cur_end is 0. */
- size_t cur_start; /* Start position of cur_leaf */
- size_t cur_end; /* Ending position of cur_leaf */
- /* 0 if cur_leaf is invalid. */
- struct CORD_pe path[MAX_DEPTH + 1];
- /* path[path_len] is the leaf corresponding to cur_pos */
- /* path[0].pe_cord is the cord we point to. */
-# define FUNCTION_BUF_SZ 8
- char function_buf[FUNCTION_BUF_SZ]; /* Space for next few chars */
- /* from function node. */
-} CORD_pos[1];
-
-/* Extract the cord from a position: */
-CORD CORD_pos_to_cord(CORD_pos p);
-
-/* Extract the current index from a position: */
-size_t CORD_pos_to_index(CORD_pos p);
-
-/* Fetch the character located at the given position: */
-char CORD_pos_fetch(CORD_pos p);
-
-/* Initialize the position to refer to the give cord and index. */
-/* Note that this is the most expensive function on positions: */
-void CORD_set_pos(CORD_pos p, CORD x, size_t i);
-
-/* Advance the position to the next character. */
-/* P must be initialized and valid. */
-/* Invalidates p if past end: */
-void CORD_next(CORD_pos p);
-
-/* Move the position to the preceding character. */
-/* P must be initialized and valid. */
-/* Invalidates p if past beginning: */
-void CORD_prev(CORD_pos p);
-
-/* Is the position valid, i.e. inside the cord? */
-int CORD_pos_valid(CORD_pos p);
-
-char CORD__pos_fetch(CORD_pos);
-void CORD__next(CORD_pos);
-void CORD__prev(CORD_pos);
-
-#define CORD_pos_fetch(p) \
- (((p)[0].cur_end != 0)? \
- (p)[0].cur_leaf[(p)[0].cur_pos - (p)[0].cur_start] \
- : CORD__pos_fetch(p))
-
-#define CORD_next(p) \
- (((p)[0].cur_pos + 1 < (p)[0].cur_end)? \
- (p)[0].cur_pos++ \
- : (CORD__next(p), 0))
-
-#define CORD_prev(p) \
- (((p)[0].cur_end != 0 && (p)[0].cur_pos > (p)[0].cur_start)? \
- (p)[0].cur_pos-- \
- : (CORD__prev(p), 0))
-
-#define CORD_pos_to_index(p) ((p)[0].cur_pos)
-
-#define CORD_pos_to_cord(p) ((p)[0].path[0].pe_cord)
-
-#define CORD_pos_valid(p) ((p)[0].path_len != CORD_POS_INVALID)
-
-/* Some grubby stuff for performance-critical friends: */
-#define CORD_pos_chars_left(p) ((long)((p)[0].cur_end) - (long)((p)[0].cur_pos))
- /* Number of characters in cache. <= 0 ==> none */
-
-#define CORD_pos_advance(p,n) ((p)[0].cur_pos += (n) - 1, CORD_next(p))
- /* Advance position by n characters */
- /* 0 < n < CORD_pos_chars_left(p) */
-
-#define CORD_pos_cur_char_addr(p) \
- (p)[0].cur_leaf + ((p)[0].cur_pos - (p)[0].cur_start)
- /* address of current character in cache. */
-
-#endif