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annotate src/xdiff/xdiff.h @ 29633:e80174903fdf v9.0.0157

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patch 9.0.0157: 'showbreak' displayed below truncated "after" text prop Commit: https://github.com/vim/vim/commit/cba6952e3499f85545c274873c67bb843d3f3518 Author: Bram Moolenaar <Bram@vim.org> Date: Sat Aug 6 21:03:53 2022 +0100 patch 9.0.0157: 'showbreak' displayed below truncated "after" text prop Problem: 'showbreak' displayed below truncated "after" text prop. Solution: Suppress 'showbreak' when "after" prop doesn't wrap.
author Bram Moolenaar <Bram@vim.org>
date Sat, 06 Aug 2022 22:15:06 +0200
parents d5142d87f898
children f84e5db372ea
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
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1 /*
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2 * LibXDiff by Davide Libenzi ( File Differential Library )
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3 * Copyright (C) 2003 Davide Libenzi
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4 *
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5 * This library is free software; you can redistribute it and/or
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6 * modify it under the terms of the GNU Lesser General Public
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7 * License as published by the Free Software Foundation; either
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8 * version 2.1 of the License, or (at your option) any later version.
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9 *
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10 * This library is distributed in the hope that it will be useful,
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11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
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12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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13 * Lesser General Public License for more details.
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14 *
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15 * You should have received a copy of the GNU Lesser General Public
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16 * License along with this library; if not, see
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17 * <http://www.gnu.org/licenses/>.
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18 *
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19 * Davide Libenzi <davidel@xmailserver.org>
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20 *
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21 */
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22
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23 #if !defined(XDIFF_H)
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24 #define XDIFF_H
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25
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26 #ifdef __cplusplus
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27 extern "C" {
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28 #endif /* #ifdef __cplusplus */
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29
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30 /* xpparm_t.flags */
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31 #define XDF_NEED_MINIMAL (1 << 0)
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32
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33 #define XDF_IGNORE_WHITESPACE (1 << 1)
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34 #define XDF_IGNORE_WHITESPACE_CHANGE (1 << 2)
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35 #define XDF_IGNORE_WHITESPACE_AT_EOL (1 << 3)
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36 #define XDF_IGNORE_CR_AT_EOL (1 << 4)
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37 #define XDF_WHITESPACE_FLAGS (XDF_IGNORE_WHITESPACE | \
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38 XDF_IGNORE_WHITESPACE_CHANGE | \
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39 XDF_IGNORE_WHITESPACE_AT_EOL | \
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40 XDF_IGNORE_CR_AT_EOL)
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41
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42 #define XDF_IGNORE_BLANK_LINES (1 << 7)
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43
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44 #define XDF_PATIENCE_DIFF (1 << 14)
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45 #define XDF_HISTOGRAM_DIFF (1 << 15)
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46 #define XDF_DIFF_ALGORITHM_MASK (XDF_PATIENCE_DIFF | XDF_HISTOGRAM_DIFF)
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47 #define XDF_DIFF_ALG(x) ((x) & XDF_DIFF_ALGORITHM_MASK)
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48
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49 #define XDF_INDENT_HEURISTIC (1 << 23)
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50
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51 /* xdemitconf_t.flags */
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52 #define XDL_EMIT_FUNCNAMES (1 << 0)
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53 #define XDL_EMIT_NO_HUNK_HDR (1 << 1)
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54 #define XDL_EMIT_FUNCCONTEXT (1 << 2)
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55
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56 /* merge simplification levels */
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57 #define XDL_MERGE_MINIMAL 0
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58 #define XDL_MERGE_EAGER 1
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59 #define XDL_MERGE_ZEALOUS 2
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60 #define XDL_MERGE_ZEALOUS_ALNUM 3
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61
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62 /* merge favor modes */
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63 #define XDL_MERGE_FAVOR_OURS 1
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64 #define XDL_MERGE_FAVOR_THEIRS 2
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65 #define XDL_MERGE_FAVOR_UNION 3
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66
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67 /* merge output styles */
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68 #define XDL_MERGE_DIFF3 1
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69
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70 typedef struct s_mmfile {
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71 char *ptr;
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72 long size;
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73 } mmfile_t;
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74
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75 typedef struct s_mmbuffer {
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76 char *ptr;
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77 long size;
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78 } mmbuffer_t;
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79
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80 typedef struct s_xpparam {
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81 unsigned long flags;
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82
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83 /* -I<regex> */
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84 #if 0 // unused by Vim
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85 regex_t **ignore_regex;
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86 size_t ignore_regex_nr;
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87 #endif
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88
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89 /* See Documentation/diff-options.txt. */
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90 char **anchors;
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91 size_t anchors_nr;
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92 } xpparam_t;
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93
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94 typedef struct s_xdemitcb {
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95 void *priv;
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96 int (*out_hunk)(void *,
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97 long old_begin, long old_nr,
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98 long new_begin, long new_nr,
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99 const char *func, long funclen);
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100 int (*out_line)(void *, mmbuffer_t *, int);
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101 } xdemitcb_t;
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102
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103 typedef long (*find_func_t)(const char *line, long line_len, char *buffer, long buffer_size, void *priv);
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104
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105 typedef int (*xdl_emit_hunk_consume_func_t)(long start_a, long count_a,
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106 long start_b, long count_b,
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107 void *cb_data);
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108
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109 typedef struct s_xdemitconf {
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110 long ctxlen;
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111 long interhunkctxlen;
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112 unsigned long flags;
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113 find_func_t find_func;
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114 void *find_func_priv;
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115 xdl_emit_hunk_consume_func_t hunk_func;
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116 } xdemitconf_t;
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117
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118 typedef struct s_bdiffparam {
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119 long bsize;
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120 } bdiffparam_t;
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121
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122 #ifdef VMS
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123 # include "[]vim.h"
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124 #else
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125 # include "../vim.h"
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126 #endif
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127
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128 #define xdl_malloc(x) lalloc((x), TRUE)
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129 #define xdl_free(ptr) vim_free(ptr)
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130 #define xdl_realloc(ptr,x) vim_realloc((ptr),(x))
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131
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132 void *xdl_mmfile_first(mmfile_t *mmf, long *size);
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133 long xdl_mmfile_size(mmfile_t *mmf);
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134
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135 int xdl_diff(mmfile_t *mf1, mmfile_t *mf2, xpparam_t const *xpp,
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136 xdemitconf_t const *xecfg, xdemitcb_t *ecb);
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137
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138 typedef struct s_xmparam {
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139 xpparam_t xpp;
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140 int marker_size;
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141 int level;
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142 int favor;
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143 int style;
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144 const char *ancestor; /* label for orig */
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145 const char *file1; /* label for mf1 */
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146 const char *file2; /* label for mf2 */
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147 } xmparam_t;
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148
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149 #define DEFAULT_CONFLICT_MARKER_SIZE 7
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150
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151 int xdl_merge(mmfile_t *orig, mmfile_t *mf1, mmfile_t *mf2,
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152 xmparam_t const *xmp, mmbuffer_t *result);
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153
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154 #ifdef __cplusplus
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155 }
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156 #endif /* #ifdef __cplusplus */
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157
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158 #endif /* #if !defined(XDIFF_H) */