Mercurial > hg > xemacs-beta
annotate src/insdel.h @ 5159:cb303ff63e76
merge
| author | Ben Wing <ben@xemacs.org> |
|---|---|
| date | Fri, 19 Mar 2010 17:02:11 -0500 |
| parents | 304aebb79cd3 |
| children | 308d34e9f07d |
| rev | line source |
|---|---|
| 428 | 1 /* Buffer insertion/deletion and gap motion for XEmacs. |
| 2 Copyright (C) 1985-1994 Free Software Foundation, Inc. | |
| 3 | |
| 4 This file is part of XEmacs. | |
| 5 | |
| 6 XEmacs is free software; you can redistribute it and/or modify it | |
| 7 under the terms of the GNU General Public License as published by the | |
| 8 Free Software Foundation; either version 2, or (at your option) any | |
| 9 later version. | |
| 10 | |
| 11 XEmacs is distributed in the hope that it will be useful, but WITHOUT | |
| 12 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
| 13 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
| 14 for more details. | |
| 15 | |
| 16 You should have received a copy of the GNU General Public License | |
| 17 along with XEmacs; see the file COPYING. If not, write to | |
| 18 the Free Software Foundation, Inc., 59 Temple Place - Suite 330, | |
| 19 Boston, MA 02111-1307, USA. */ | |
| 20 | |
| 21 /* Synched up with: Not in FSF. */ | |
| 22 | |
| 23 /* Mostly rewritten by Ben Wing. */ | |
| 24 | |
| 440 | 25 #ifndef INCLUDED_insdel_h_ |
| 26 #define INCLUDED_insdel_h_ | |
| 428 | 27 |
| 28 /************************************************************************/ | |
| 29 /* changing a buffer's text */ | |
| 30 /************************************************************************/ | |
| 31 | |
| 665 | 32 int begin_multiple_change (struct buffer *buf, Charbpos start, Charbpos end); |
| 428 | 33 void end_multiple_change (struct buffer *buf, int count); |
| 34 | |
| 35 /* flags for functions below */ | |
| 36 | |
| 37 #define INSDEL_BEFORE_MARKERS 1 | |
| 38 #define INSDEL_NO_LOCKING 2 | |
| 39 | |
| 665 | 40 Charcount buffer_insert_string_1 (struct buffer *buf, Charbpos pos, |
| 867 | 41 const Ibyte *nonreloc, Lisp_Object reloc, |
| 428 | 42 Bytecount offset, Bytecount length, |
| 43 int flags); | |
| 665 | 44 Charcount buffer_insert_raw_string_1 (struct buffer *buf, Charbpos pos, |
| 867 | 45 const Ibyte *nonreloc, |
| 428 | 46 Bytecount length, int flags); |
| 665 | 47 Charcount buffer_insert_lisp_string_1 (struct buffer *buf, Charbpos pos, |
| 428 | 48 Lisp_Object str, int flags); |
|
4953
304aebb79cd3
function renamings to track names of char typedefs
Ben Wing <ben@xemacs.org>
parents:
867
diff
changeset
|
49 Charcount buffer_insert_ascstring_1 (struct buffer *buf, Charbpos pos, |
|
304aebb79cd3
function renamings to track names of char typedefs
Ben Wing <ben@xemacs.org>
parents:
867
diff
changeset
|
50 const Ascbyte *s, int flags); |
| 665 | 51 Charcount buffer_insert_emacs_char_1 (struct buffer *buf, Charbpos pos, |
| 867 | 52 Ichar ch, int flags); |
| 665 | 53 Charcount buffer_insert_c_char_1 (struct buffer *buf, Charbpos pos, char c, |
| 428 | 54 int flags); |
| 665 | 55 Charcount buffer_insert_from_buffer_1 (struct buffer *buf, Charbpos pos, |
| 56 struct buffer *buf2, Charbpos pos2, | |
| 428 | 57 Charcount length, int flags); |
| 58 | |
| 59 /* Macros for insertion functions that insert at point after markers. | |
| 60 All of these can GC. */ | |
| 61 | |
| 62 #define buffer_insert_string(buf, nonreloc, reloc, offset, length) \ | |
| 63 buffer_insert_string_1 (buf, -1, nonreloc, reloc, offset, length, 0) | |
| 64 #define buffer_insert_raw_string(buf, string, length) \ | |
| 65 buffer_insert_raw_string_1 (buf, -1, string, length, 0) | |
|
4953
304aebb79cd3
function renamings to track names of char typedefs
Ben Wing <ben@xemacs.org>
parents:
867
diff
changeset
|
66 #define buffer_insert_ascstring(buf, s) \ |
|
304aebb79cd3
function renamings to track names of char typedefs
Ben Wing <ben@xemacs.org>
parents:
867
diff
changeset
|
67 buffer_insert_ascstring_1 (buf, -1, s, 0) |
| 428 | 68 #define buffer_insert_lisp_string(buf, str) \ |
| 69 buffer_insert_lisp_string_1 (buf, -1, str, 0) | |
| 70 #define buffer_insert_c_char(buf, c) \ | |
| 71 buffer_insert_c_char_1 (buf, -1, c, 0) | |
| 72 #define buffer_insert_emacs_char(buf, ch) \ | |
| 73 buffer_insert_emacs_char_1 (buf, -1, ch, 0) | |
| 74 #define buffer_insert_from_buffer(buf, b, index, length) \ | |
| 75 buffer_insert_from_buffer_1 (buf, -1, b, index, length, 0) | |
| 76 | |
| 665 | 77 void buffer_delete_range (struct buffer *buf, Charbpos from, Charbpos to, |
| 428 | 78 int flags); |
| 867 | 79 void buffer_replace_char (struct buffer *b, Charbpos pos, Ichar ch, |
| 428 | 80 int not_real_change, int force_lock_check); |
| 81 | |
| 82 | |
| 83 /************************************************************************/ | |
| 84 /* tracking buffer changes */ | |
| 85 /************************************************************************/ | |
| 86 | |
| 87 /* Split into two parts. One part goes with a buffer's text (possibly | |
| 88 shared), the other with the buffer itself. */ | |
| 89 | |
| 90 struct buffer_text_change_data | |
| 91 { | |
| 92 /* multiple change stuff */ | |
| 93 int in_multiple_change; | |
| 665 | 94 Charbpos mc_begin, mc_orig_end, mc_new_end; |
| 428 | 95 int mc_begin_signaled; |
| 96 }; | |
| 97 | |
| 98 struct each_buffer_change_data | |
| 99 { | |
| 100 Charcount begin_unchanged, end_unchanged; | |
| 101 /* redisplay needs to know if a newline was deleted so its | |
| 102 incremental-redisplay algorithm will fail */ | |
| 103 int newline_was_deleted; | |
| 104 Charcount begin_extent_unchanged, end_extent_unchanged; | |
| 105 }; | |
| 106 | |
| 107 /* Number of characters at the beginning and end of the buffer that | |
| 108 have not changed since the last call to buffer_reset_changes(). | |
| 109 If no changes have occurred since then, both values will be -1. | |
| 110 | |
| 111 "Changed" means that the text has changed. */ | |
| 112 | |
| 113 #define BUF_BEGIN_UNCHANGED(buf) ((buf)->changes->begin_unchanged) | |
| 114 #define BUF_END_UNCHANGED(buf) ((buf)->changes->end_unchanged) | |
| 115 | |
| 116 /* Number of characters at the beginning and end of the buffer that | |
| 117 have not had a covering extent change since the last call to | |
| 118 buffer_reset_changes (). If no changes have occurred since then, | |
| 119 both values will be -1. | |
| 120 | |
| 121 "Changed" means that the extents covering the text have changed. */ | |
| 122 | |
| 123 #define BUF_EXTENT_BEGIN_UNCHANGED(buf) \ | |
| 124 ((buf)->changes->begin_extent_unchanged) | |
| 125 #define BUF_EXTENT_END_UNCHANGED(buf) \ | |
| 126 ((buf)->changes->end_extent_unchanged) | |
| 127 | |
| 128 #define BUF_NEWLINE_WAS_DELETED(buf) \ | |
| 129 ((buf)->changes->newline_was_deleted) | |
| 130 | |
| 131 void buffer_extent_signal_changed_region (struct buffer *buf, | |
| 665 | 132 Charbpos start, |
| 133 Charbpos end); | |
| 428 | 134 void buffer_reset_changes (struct buffer *buf); |
| 135 | |
| 136 | |
| 137 | |
| 138 /************************************************************************/ | |
| 139 /* other related functions */ | |
| 140 /************************************************************************/ | |
| 141 | |
| 665 | 142 Membpos do_marker_adjustment (Membpos mpos, Membpos from, |
| 143 Membpos to, Bytecount amount); | |
| 428 | 144 |
| 867 | 145 void fixup_internal_substring (const Ibyte *nonreloc, |
| 428 | 146 Lisp_Object reloc, |
| 147 Bytecount offset, Bytecount *len); | |
| 148 | |
| 149 /* In font-lock.c */ | |
| 150 void font_lock_maybe_update_syntactic_caches (struct buffer *buf, | |
| 665 | 151 Charbpos start, |
| 152 Charbpos orig_end, | |
| 153 Charbpos new_end); | |
| 428 | 154 void font_lock_buffer_was_killed (struct buffer *buf); |
| 155 | |
| 665 | 156 void barf_if_buffer_read_only (struct buffer *buf, Charbpos from, |
| 157 Charbpos to); | |
| 428 | 158 |
| 159 void init_buffer_text (struct buffer *b); | |
| 160 void uninit_buffer_text (struct buffer *b); | |
| 161 | |
| 440 | 162 #endif /* INCLUDED_insdel_h_ */ |