Mercurial > vim
annotate src/textformat.c @ 21417:53ff4dfe6e11 v8.2.1259
patch 8.2.1259: empty group in 'tabline' may cause using an invalid pointer
Commit: https://github.com/vim/vim/commit/f56c95fdad5af521887f8cd7bc15729b5355231d
Author: Bram Moolenaar <Bram@vim.org>
Date: Tue Jul 21 19:25:18 2020 +0200
patch 8.2.1259: empty group in 'tabline' may cause using an invalid pointer
Problem: Empty group in 'tabline' may cause using an invalid pointer.
Solution: Set the group start position. (closes https://github.com/vim/vim/issues/6505)
author | Bram Moolenaar <Bram@vim.org> |
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date | Tue, 21 Jul 2020 19:30:04 +0200 |
parents | cea8ae407452 |
children | e82579016863 |
rev | line source |
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1 /* vi:set ts=8 sts=4 sw=4 noet: |
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2 * |
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3 * VIM - Vi IMproved by Bram Moolenaar |
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4 * |
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5 * Do ":help uganda" in Vim to read copying and usage conditions. |
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6 * Do ":help credits" in Vim to see a list of people who contributed. |
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7 * See README.txt for an overview of the Vim source code. |
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8 */ |
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9 |
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10 /* |
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11 * textformat.c: text formatting functions |
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12 */ |
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13 |
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14 #include "vim.h" |
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15 |
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16 static int did_add_space = FALSE; // auto_format() added an extra space |
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17 // under the cursor |
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18 |
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19 #define WHITECHAR(cc) (VIM_ISWHITE(cc) && (!enc_utf8 || !utf_iscomposing(utf_ptr2char(ml_get_cursor() + 1)))) |
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20 |
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21 /* |
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22 * Return TRUE if format option 'x' is in effect. |
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23 * Take care of no formatting when 'paste' is set. |
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24 */ |
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25 int |
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26 has_format_option(int x) |
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27 { |
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28 if (p_paste) |
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29 return FALSE; |
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30 return (vim_strchr(curbuf->b_p_fo, x) != NULL); |
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31 } |
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32 |
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33 /* |
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34 * Format text at the current insert position. |
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35 * |
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36 * If the INSCHAR_COM_LIST flag is present, then the value of second_indent |
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37 * will be the comment leader length sent to open_line(). |
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38 */ |
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39 void |
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40 internal_format( |
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41 int textwidth, |
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42 int second_indent, |
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43 int flags, |
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44 int format_only, |
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45 int c) // character to be inserted (can be NUL) |
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46 { |
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47 int cc; |
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48 int skip_pos; |
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49 int save_char = NUL; |
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50 int haveto_redraw = FALSE; |
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51 int fo_ins_blank = has_format_option(FO_INS_BLANK); |
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52 int fo_multibyte = has_format_option(FO_MBYTE_BREAK); |
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53 int fo_rigor_tw = has_format_option(FO_RIGOROUS_TW); |
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54 int fo_white_par = has_format_option(FO_WHITE_PAR); |
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55 int first_line = TRUE; |
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56 colnr_T leader_len; |
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57 int no_leader = FALSE; |
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58 int do_comments = (flags & INSCHAR_DO_COM); |
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59 #ifdef FEAT_LINEBREAK |
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60 int has_lbr = curwin->w_p_lbr; |
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61 |
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62 // make sure win_lbr_chartabsize() counts correctly |
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63 curwin->w_p_lbr = FALSE; |
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64 #endif |
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65 |
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66 // When 'ai' is off we don't want a space under the cursor to be |
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67 // deleted. Replace it with an 'x' temporarily. |
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68 if (!curbuf->b_p_ai && !(State & VREPLACE_FLAG)) |
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69 { |
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70 cc = gchar_cursor(); |
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71 if (VIM_ISWHITE(cc)) |
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72 { |
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73 save_char = cc; |
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74 pchar_cursor('x'); |
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75 } |
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76 } |
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77 |
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78 // Repeat breaking lines, until the current line is not too long. |
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79 while (!got_int) |
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80 { |
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81 int startcol; // Cursor column at entry |
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82 int wantcol; // column at textwidth border |
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83 int foundcol; // column for start of spaces |
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84 int end_foundcol = 0; // column for start of word |
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85 colnr_T len; |
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86 colnr_T virtcol; |
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87 int orig_col = 0; |
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88 char_u *saved_text = NULL; |
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89 colnr_T col; |
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90 colnr_T end_col; |
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91 int wcc; // counter for whitespace chars |
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92 |
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93 virtcol = get_nolist_virtcol() |
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94 + char2cells(c != NUL ? c : gchar_cursor()); |
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95 if (virtcol <= (colnr_T)textwidth) |
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96 break; |
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97 |
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98 if (no_leader) |
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99 do_comments = FALSE; |
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100 else if (!(flags & INSCHAR_FORMAT) |
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101 && has_format_option(FO_WRAP_COMS)) |
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102 do_comments = TRUE; |
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103 |
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104 // Don't break until after the comment leader |
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105 if (do_comments) |
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106 leader_len = get_leader_len(ml_get_curline(), NULL, FALSE, TRUE); |
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107 else |
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108 leader_len = 0; |
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109 |
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110 // If the line doesn't start with a comment leader, then don't |
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111 // start one in a following broken line. Avoids that a %word |
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112 // moved to the start of the next line causes all following lines |
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113 // to start with %. |
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114 if (leader_len == 0) |
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115 no_leader = TRUE; |
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116 if (!(flags & INSCHAR_FORMAT) |
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117 && leader_len == 0 |
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118 && !has_format_option(FO_WRAP)) |
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119 |
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120 break; |
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121 if ((startcol = curwin->w_cursor.col) == 0) |
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122 break; |
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123 |
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124 // find column of textwidth border |
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125 coladvance((colnr_T)textwidth); |
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126 wantcol = curwin->w_cursor.col; |
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127 |
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128 curwin->w_cursor.col = startcol; |
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129 foundcol = 0; |
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130 skip_pos = 0; |
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131 |
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132 // Find position to break at. |
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133 // Stop at first entered white when 'formatoptions' has 'v' |
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134 while ((!fo_ins_blank && !has_format_option(FO_INS_VI)) |
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135 || (flags & INSCHAR_FORMAT) |
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136 || curwin->w_cursor.lnum != Insstart.lnum |
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137 || curwin->w_cursor.col >= Insstart.col) |
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138 { |
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139 if (curwin->w_cursor.col == startcol && c != NUL) |
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140 cc = c; |
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141 else |
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142 cc = gchar_cursor(); |
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143 if (WHITECHAR(cc)) |
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144 { |
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145 // remember position of blank just before text |
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146 end_col = curwin->w_cursor.col; |
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147 |
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148 // find start of sequence of blanks |
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149 wcc = 0; |
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150 while (curwin->w_cursor.col > 0 && WHITECHAR(cc)) |
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151 { |
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152 dec_cursor(); |
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153 cc = gchar_cursor(); |
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154 |
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155 // Increment count of how many whitespace chars in this |
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156 // group; we only need to know if it's more than one. |
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157 if (wcc < 2) |
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158 wcc++; |
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159 } |
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160 if (curwin->w_cursor.col == 0 && WHITECHAR(cc)) |
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161 break; // only spaces in front of text |
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162 |
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163 // Don't break after a period when 'formatoptions' has 'p' and |
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164 // there are less than two spaces. |
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165 if (has_format_option(FO_PERIOD_ABBR) && cc == '.' && wcc < 2) |
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166 continue; |
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167 |
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168 // Don't break until after the comment leader |
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169 if (curwin->w_cursor.col < leader_len) |
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170 break; |
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171 if (has_format_option(FO_ONE_LETTER)) |
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172 { |
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173 // do not break after one-letter words |
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174 if (curwin->w_cursor.col == 0) |
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175 break; // one-letter word at begin |
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176 // do not break "#a b" when 'tw' is 2 |
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177 if (curwin->w_cursor.col <= leader_len) |
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178 break; |
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179 col = curwin->w_cursor.col; |
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180 dec_cursor(); |
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181 cc = gchar_cursor(); |
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182 |
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183 if (WHITECHAR(cc)) |
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184 continue; // one-letter, continue |
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185 curwin->w_cursor.col = col; |
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186 } |
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187 |
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188 inc_cursor(); |
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189 |
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190 end_foundcol = end_col + 1; |
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191 foundcol = curwin->w_cursor.col; |
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192 if (curwin->w_cursor.col <= (colnr_T)wantcol) |
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193 break; |
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194 } |
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195 else if ((cc >= 0x100 || !utf_allow_break_before(cc)) && fo_multibyte) |
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196 { |
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197 int ncc; |
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198 int allow_break; |
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199 |
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200 // Break after or before a multi-byte character. |
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201 if (curwin->w_cursor.col != startcol) |
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202 { |
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203 // Don't break until after the comment leader |
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204 if (curwin->w_cursor.col < leader_len) |
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205 break; |
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206 col = curwin->w_cursor.col; |
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207 inc_cursor(); |
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208 ncc = gchar_cursor(); |
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209 |
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210 allow_break = |
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211 (enc_utf8 && utf_allow_break(cc, ncc)) |
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212 || enc_dbcs; |
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213 |
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214 // If we have already checked this position, skip! |
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215 if (curwin->w_cursor.col != skip_pos && allow_break) |
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216 { |
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217 foundcol = curwin->w_cursor.col; |
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218 end_foundcol = foundcol; |
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219 if (curwin->w_cursor.col <= (colnr_T)wantcol) |
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220 break; |
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221 } |
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222 curwin->w_cursor.col = col; |
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223 } |
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224 |
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225 if (curwin->w_cursor.col == 0) |
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226 break; |
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227 |
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228 ncc = cc; |
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229 col = curwin->w_cursor.col; |
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230 |
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231 dec_cursor(); |
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232 cc = gchar_cursor(); |
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233 |
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234 if (WHITECHAR(cc)) |
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235 continue; // break with space |
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236 // Don't break until after the comment leader. |
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237 if (curwin->w_cursor.col < leader_len) |
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238 break; |
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239 |
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240 curwin->w_cursor.col = col; |
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241 skip_pos = curwin->w_cursor.col; |
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242 |
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243 allow_break = |
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244 (enc_utf8 && utf_allow_break(cc, ncc)) |
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245 || enc_dbcs; |
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246 |
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247 // Must handle this to respect line break prohibition. |
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248 if (allow_break) |
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249 { |
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250 foundcol = curwin->w_cursor.col; |
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251 end_foundcol = foundcol; |
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252 } |
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253 if (curwin->w_cursor.col <= (colnr_T)wantcol) |
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254 { |
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255 int ncc_allow_break = |
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256 (enc_utf8 && utf_allow_break_before(ncc)) || enc_dbcs; |
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257 |
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258 if (allow_break) |
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259 break; |
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260 if (!ncc_allow_break && !fo_rigor_tw) |
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261 { |
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262 // Enable at most 1 punct hang outside of textwidth. |
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263 if (curwin->w_cursor.col == startcol) |
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264 { |
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265 // We are inserting a non-breakable char, postpone |
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266 // line break check to next insert. |
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267 end_foundcol = foundcol = 0; |
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268 break; |
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269 } |
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270 |
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271 // Neither cc nor ncc is NUL if we are here, so |
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272 // it's safe to inc_cursor. |
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273 col = curwin->w_cursor.col; |
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274 |
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275 inc_cursor(); |
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276 cc = ncc; |
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277 ncc = gchar_cursor(); |
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278 // handle insert |
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279 ncc = (ncc != NUL) ? ncc : c; |
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280 |
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281 allow_break = |
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282 (enc_utf8 && utf_allow_break(cc, ncc)) |
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283 || enc_dbcs; |
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284 |
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285 if (allow_break) |
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286 { |
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287 // Break only when we are not at end of line. |
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288 end_foundcol = foundcol = |
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289 ncc == NUL? 0 : curwin->w_cursor.col; |
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290 break; |
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291 } |
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292 curwin->w_cursor.col = col; |
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293 } |
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294 } |
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295 } |
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296 if (curwin->w_cursor.col == 0) |
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297 break; |
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298 dec_cursor(); |
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299 } |
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300 |
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301 if (foundcol == 0) // no spaces, cannot break line |
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302 { |
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303 curwin->w_cursor.col = startcol; |
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304 break; |
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305 } |
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306 |
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307 // Going to break the line, remove any "$" now. |
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308 undisplay_dollar(); |
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309 |
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310 // Offset between cursor position and line break is used by replace |
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311 // stack functions. VREPLACE does not use this, and backspaces |
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312 // over the text instead. |
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313 if (State & VREPLACE_FLAG) |
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314 orig_col = startcol; // Will start backspacing from here |
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315 else |
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316 replace_offset = startcol - end_foundcol; |
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317 |
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318 // adjust startcol for spaces that will be deleted and |
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319 // characters that will remain on top line |
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320 curwin->w_cursor.col = foundcol; |
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321 while ((cc = gchar_cursor(), WHITECHAR(cc)) |
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322 && (!fo_white_par || curwin->w_cursor.col < startcol)) |
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323 inc_cursor(); |
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324 startcol -= curwin->w_cursor.col; |
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325 if (startcol < 0) |
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326 startcol = 0; |
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327 |
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328 if (State & VREPLACE_FLAG) |
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329 { |
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330 // In VREPLACE mode, we will backspace over the text to be |
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331 // wrapped, so save a copy now to put on the next line. |
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332 saved_text = vim_strsave(ml_get_cursor()); |
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333 curwin->w_cursor.col = orig_col; |
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334 if (saved_text == NULL) |
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335 break; // Can't do it, out of memory |
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336 saved_text[startcol] = NUL; |
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337 |
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338 // Backspace over characters that will move to the next line |
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339 if (!fo_white_par) |
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340 backspace_until_column(foundcol); |
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341 } |
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342 else |
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343 { |
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344 // put cursor after pos. to break line |
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345 if (!fo_white_par) |
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346 curwin->w_cursor.col = foundcol; |
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347 } |
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348 |
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349 // Split the line just before the margin. |
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350 // Only insert/delete lines, but don't really redraw the window. |
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351 open_line(FORWARD, OPENLINE_DELSPACES + OPENLINE_MARKFIX |
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352 + (fo_white_par ? OPENLINE_KEEPTRAIL : 0) |
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353 + (do_comments ? OPENLINE_DO_COM : 0) |
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354 + ((flags & INSCHAR_COM_LIST) ? OPENLINE_COM_LIST : 0) |
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355 , ((flags & INSCHAR_COM_LIST) ? second_indent : old_indent)); |
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356 if (!(flags & INSCHAR_COM_LIST)) |
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357 old_indent = 0; |
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358 |
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359 replace_offset = 0; |
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360 if (first_line) |
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361 { |
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362 if (!(flags & INSCHAR_COM_LIST)) |
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363 { |
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364 // This section is for auto-wrap of numeric lists. When not |
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365 // in insert mode (i.e. format_lines()), the INSCHAR_COM_LIST |
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366 // flag will be set and open_line() will handle it (as seen |
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367 // above). The code here (and in get_number_indent()) will |
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368 // recognize comments if needed... |
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369 if (second_indent < 0 && has_format_option(FO_Q_NUMBER)) |
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370 second_indent = |
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371 get_number_indent(curwin->w_cursor.lnum - 1); |
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372 if (second_indent >= 0) |
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373 { |
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374 if (State & VREPLACE_FLAG) |
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375 change_indent(INDENT_SET, second_indent, |
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376 FALSE, NUL, TRUE); |
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377 else |
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378 if (leader_len > 0 && second_indent - leader_len > 0) |
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379 { |
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380 int i; |
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381 int padding = second_indent - leader_len; |
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382 |
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383 // We started at the first_line of a numbered list |
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384 // that has a comment. the open_line() function has |
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385 // inserted the proper comment leader and positioned |
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386 // the cursor at the end of the split line. Now we |
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387 // add the additional whitespace needed after the |
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388 // comment leader for the numbered list. |
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389 for (i = 0; i < padding; i++) |
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390 ins_str((char_u *)" "); |
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391 } |
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392 else |
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393 { |
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394 (void)set_indent(second_indent, SIN_CHANGED); |
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395 } |
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396 } |
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397 } |
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398 first_line = FALSE; |
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399 } |
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400 |
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401 if (State & VREPLACE_FLAG) |
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402 { |
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403 // In VREPLACE mode we have backspaced over the text to be |
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404 // moved, now we re-insert it into the new line. |
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405 ins_bytes(saved_text); |
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406 vim_free(saved_text); |
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407 } |
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408 else |
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409 { |
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410 // Check if cursor is not past the NUL off the line, cindent |
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411 // may have added or removed indent. |
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412 curwin->w_cursor.col += startcol; |
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413 len = (colnr_T)STRLEN(ml_get_curline()); |
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414 if (curwin->w_cursor.col > len) |
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415 curwin->w_cursor.col = len; |
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416 } |
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417 |
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418 haveto_redraw = TRUE; |
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419 #ifdef FEAT_CINDENT |
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420 set_can_cindent(TRUE); |
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421 #endif |
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422 // moved the cursor, don't autoindent or cindent now |
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423 did_ai = FALSE; |
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424 #ifdef FEAT_SMARTINDENT |
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425 did_si = FALSE; |
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426 can_si = FALSE; |
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427 can_si_back = FALSE; |
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428 #endif |
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429 line_breakcheck(); |
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430 } |
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431 |
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432 if (save_char != NUL) // put back space after cursor |
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433 pchar_cursor(save_char); |
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434 |
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435 #ifdef FEAT_LINEBREAK |
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436 curwin->w_p_lbr = has_lbr; |
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437 #endif |
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438 if (!format_only && haveto_redraw) |
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439 { |
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440 update_topline(); |
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441 redraw_curbuf_later(VALID); |
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442 } |
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443 } |
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444 |
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445 /* |
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446 * Blank lines, and lines containing only the comment leader, are left |
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447 * untouched by the formatting. The function returns TRUE in this |
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448 * case. It also returns TRUE when a line starts with the end of a comment |
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449 * ('e' in comment flags), so that this line is skipped, and not joined to the |
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450 * previous line. A new paragraph starts after a blank line, or when the |
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451 * comment leader changes -- webb. |
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452 */ |
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453 static int |
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454 fmt_check_par( |
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455 linenr_T lnum, |
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456 int *leader_len, |
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457 char_u **leader_flags, |
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458 int do_comments) |
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459 { |
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460 char_u *flags = NULL; // init for GCC |
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461 char_u *ptr; |
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462 |
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463 ptr = ml_get(lnum); |
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464 if (do_comments) |
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465 *leader_len = get_leader_len(ptr, leader_flags, FALSE, TRUE); |
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466 else |
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467 *leader_len = 0; |
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468 |
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469 if (*leader_len > 0) |
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470 { |
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471 // Search for 'e' flag in comment leader flags. |
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472 flags = *leader_flags; |
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473 while (*flags && *flags != ':' && *flags != COM_END) |
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474 ++flags; |
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475 } |
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476 |
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477 return (*skipwhite(ptr + *leader_len) == NUL |
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478 || (*leader_len > 0 && *flags == COM_END) |
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479 || startPS(lnum, NUL, FALSE)); |
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480 } |
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481 |
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482 /* |
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483 * Return TRUE if line "lnum" ends in a white character. |
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484 */ |
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485 static int |
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486 ends_in_white(linenr_T lnum) |
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487 { |
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488 char_u *s = ml_get(lnum); |
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|
489 size_t l; |
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|
490 |
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491 if (*s == NUL) |
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492 return FALSE; |
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|
493 // Don't use STRLEN() inside VIM_ISWHITE(), SAS/C complains: "macro |
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494 // invocation may call function multiple times". |
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495 l = STRLEN(s) - 1; |
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496 return VIM_ISWHITE(s[l]); |
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497 } |
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498 |
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|
499 /* |
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|
500 * Return TRUE if the two comment leaders given are the same. "lnum" is |
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501 * the first line. White-space is ignored. Note that the whole of |
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502 * 'leader1' must match 'leader2_len' characters from 'leader2' -- webb |
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503 */ |
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504 static int |
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|
505 same_leader( |
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|
506 linenr_T lnum, |
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|
507 int leader1_len, |
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508 char_u *leader1_flags, |
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|
509 int leader2_len, |
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|
510 char_u *leader2_flags) |
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511 { |
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512 int idx1 = 0, idx2 = 0; |
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513 char_u *p; |
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|
514 char_u *line1; |
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|
515 char_u *line2; |
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|
516 |
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|
517 if (leader1_len == 0) |
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|
518 return (leader2_len == 0); |
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|
519 |
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520 // If first leader has 'f' flag, the lines can be joined only if the |
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521 // second line does not have a leader. |
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|
522 // If first leader has 'e' flag, the lines can never be joined. |
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|
523 // If fist leader has 's' flag, the lines can only be joined if there is |
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|
524 // some text after it and the second line has the 'm' flag. |
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|
525 if (leader1_flags != NULL) |
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|
526 { |
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|
527 for (p = leader1_flags; *p && *p != ':'; ++p) |
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|
528 { |
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529 if (*p == COM_FIRST) |
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|
530 return (leader2_len == 0); |
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|
531 if (*p == COM_END) |
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|
532 return FALSE; |
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|
533 if (*p == COM_START) |
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|
534 { |
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535 if (*(ml_get(lnum) + leader1_len) == NUL) |
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|
536 return FALSE; |
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537 if (leader2_flags == NULL || leader2_len == 0) |
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538 return FALSE; |
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539 for (p = leader2_flags; *p && *p != ':'; ++p) |
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|
540 if (*p == COM_MIDDLE) |
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|
541 return TRUE; |
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|
542 return FALSE; |
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|
543 } |
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|
544 } |
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|
545 } |
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|
546 |
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|
547 // Get current line and next line, compare the leaders. |
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548 // The first line has to be saved, only one line can be locked at a time. |
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|
549 line1 = vim_strsave(ml_get(lnum)); |
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|
550 if (line1 != NULL) |
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|
551 { |
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|
552 for (idx1 = 0; VIM_ISWHITE(line1[idx1]); ++idx1) |
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|
553 ; |
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|
554 line2 = ml_get(lnum + 1); |
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|
555 for (idx2 = 0; idx2 < leader2_len; ++idx2) |
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|
556 { |
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|
557 if (!VIM_ISWHITE(line2[idx2])) |
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|
558 { |
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|
559 if (line1[idx1++] != line2[idx2]) |
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|
560 break; |
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|
561 } |
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|
562 else |
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|
563 while (VIM_ISWHITE(line1[idx1])) |
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|
564 ++idx1; |
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|
565 } |
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|
566 vim_free(line1); |
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|
567 } |
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|
568 return (idx2 == leader2_len && idx1 == leader1_len); |
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|
569 } |
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|
570 |
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|
571 /* |
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|
572 * Return TRUE when a paragraph starts in line "lnum". Return FALSE when the |
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|
573 * previous line is in the same paragraph. Used for auto-formatting. |
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|
574 */ |
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|
575 static int |
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|
576 paragraph_start(linenr_T lnum) |
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|
577 { |
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|
578 char_u *p; |
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|
579 int leader_len = 0; // leader len of current line |
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|
580 char_u *leader_flags = NULL; // flags for leader of current line |
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|
581 int next_leader_len; // leader len of next line |
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|
582 char_u *next_leader_flags; // flags for leader of next line |
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|
583 int do_comments; // format comments |
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|
584 |
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|
585 if (lnum <= 1) |
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|
586 return TRUE; // start of the file |
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diff
changeset
|
587 |
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changeset
|
588 p = ml_get(lnum - 1); |
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|
589 if (*p == NUL) |
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changeset
|
590 return TRUE; // after empty line |
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changeset
|
591 |
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diff
changeset
|
592 do_comments = has_format_option(FO_Q_COMS); |
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parents:
diff
changeset
|
593 if (fmt_check_par(lnum - 1, &leader_len, &leader_flags, do_comments)) |
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changeset
|
594 return TRUE; // after non-paragraph line |
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diff
changeset
|
595 |
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diff
changeset
|
596 if (fmt_check_par(lnum, &next_leader_len, &next_leader_flags, do_comments)) |
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|
597 return TRUE; // "lnum" is not a paragraph line |
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diff
changeset
|
598 |
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diff
changeset
|
599 if (has_format_option(FO_WHITE_PAR) && !ends_in_white(lnum - 1)) |
918245588b50
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parents:
diff
changeset
|
600 return TRUE; // missing trailing space in previous line. |
918245588b50
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Bram Moolenaar <Bram@vim.org>
parents:
diff
changeset
|
601 |
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patch 8.2.0674: some source files are too big
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parents:
diff
changeset
|
602 if (has_format_option(FO_Q_NUMBER) && (get_number_indent(lnum) > 0)) |
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changeset
|
603 return TRUE; // numbered item starts in "lnum". |
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parents:
diff
changeset
|
604 |
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|
605 if (!same_leader(lnum - 1, leader_len, leader_flags, |
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parents:
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changeset
|
606 next_leader_len, next_leader_flags)) |
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parents:
diff
changeset
|
607 return TRUE; // change of comment leader. |
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parents:
diff
changeset
|
608 |
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changeset
|
609 return FALSE; |
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parents:
diff
changeset
|
610 } |
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diff
changeset
|
611 |
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parents:
diff
changeset
|
612 /* |
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parents:
diff
changeset
|
613 * Called after inserting or deleting text: When 'formatoptions' includes the |
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parents:
diff
changeset
|
614 * 'a' flag format from the current line until the end of the paragraph. |
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parents:
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changeset
|
615 * Keep the cursor at the same position relative to the text. |
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parents:
diff
changeset
|
616 * The caller must have saved the cursor line for undo, following ones will be |
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parents:
diff
changeset
|
617 * saved here. |
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diff
changeset
|
618 */ |
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changeset
|
619 void |
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parents:
diff
changeset
|
620 auto_format( |
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changeset
|
621 int trailblank, // when TRUE also format with trailing blank |
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|
622 int prev_line) // may start in previous line |
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changeset
|
623 { |
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changeset
|
624 pos_T pos; |
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changeset
|
625 colnr_T len; |
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changeset
|
626 char_u *old; |
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changeset
|
627 char_u *new, *pnew; |
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parents:
diff
changeset
|
628 int wasatend; |
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changeset
|
629 int cc; |
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changeset
|
630 |
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parents:
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changeset
|
631 if (!has_format_option(FO_AUTO)) |
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changeset
|
632 return; |
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changeset
|
633 |
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|
634 pos = curwin->w_cursor; |
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changeset
|
635 old = ml_get_curline(); |
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diff
changeset
|
636 |
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|
637 // may remove added space |
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changeset
|
638 check_auto_format(FALSE); |
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diff
changeset
|
639 |
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changeset
|
640 // Don't format in Insert mode when the cursor is on a trailing blank, the |
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parents:
diff
changeset
|
641 // user might insert normal text next. Also skip formatting when "1" is |
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parents:
diff
changeset
|
642 // in 'formatoptions' and there is a single character before the cursor. |
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parents:
diff
changeset
|
643 // Otherwise the line would be broken and when typing another non-white |
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Bram Moolenaar <Bram@vim.org>
parents:
diff
changeset
|
644 // next they are not joined back together. |
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parents:
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changeset
|
645 wasatend = (pos.col == (colnr_T)STRLEN(old)); |
918245588b50
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parents:
diff
changeset
|
646 if (*old != NUL && !trailblank && wasatend) |
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diff
changeset
|
647 { |
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parents:
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changeset
|
648 dec_cursor(); |
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parents:
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|
649 cc = gchar_cursor(); |
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changeset
|
650 if (!WHITECHAR(cc) && curwin->w_cursor.col > 0 |
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changeset
|
651 && has_format_option(FO_ONE_LETTER)) |
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parents:
diff
changeset
|
652 dec_cursor(); |
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parents:
diff
changeset
|
653 cc = gchar_cursor(); |
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parents:
diff
changeset
|
654 if (WHITECHAR(cc)) |
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parents:
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|
655 { |
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|
656 curwin->w_cursor = pos; |
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Bram Moolenaar <Bram@vim.org>
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|
657 return; |
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|
658 } |
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|
659 curwin->w_cursor = pos; |
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|
660 } |
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changeset
|
661 |
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|
662 // With the 'c' flag in 'formatoptions' and 't' missing: only format |
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|
663 // comments. |
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changeset
|
664 if (has_format_option(FO_WRAP_COMS) && !has_format_option(FO_WRAP) |
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|
665 && get_leader_len(old, NULL, FALSE, TRUE) == 0) |
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changeset
|
666 return; |
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changeset
|
667 |
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diff
changeset
|
668 // May start formatting in a previous line, so that after "x" a word is |
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parents:
diff
changeset
|
669 // moved to the previous line if it fits there now. Only when this is not |
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parents:
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changeset
|
670 // the start of a paragraph. |
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|
671 if (prev_line && !paragraph_start(curwin->w_cursor.lnum)) |
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changeset
|
672 { |
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|
673 --curwin->w_cursor.lnum; |
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|
674 if (u_save_cursor() == FAIL) |
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changeset
|
675 return; |
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changeset
|
676 } |
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parents:
diff
changeset
|
677 |
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diff
changeset
|
678 // Do the formatting and restore the cursor position. "saved_cursor" will |
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Bram Moolenaar <Bram@vim.org>
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|
679 // be adjusted for the text formatting. |
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changeset
|
680 saved_cursor = pos; |
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changeset
|
681 format_lines((linenr_T)-1, FALSE); |
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parents:
diff
changeset
|
682 curwin->w_cursor = saved_cursor; |
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|
683 saved_cursor.lnum = 0; |
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changeset
|
684 |
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|
685 if (curwin->w_cursor.lnum > curbuf->b_ml.ml_line_count) |
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diff
changeset
|
686 { |
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diff
changeset
|
687 // "cannot happen" |
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diff
changeset
|
688 curwin->w_cursor.lnum = curbuf->b_ml.ml_line_count; |
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diff
changeset
|
689 coladvance((colnr_T)MAXCOL); |
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Bram Moolenaar <Bram@vim.org>
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diff
changeset
|
690 } |
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diff
changeset
|
691 else |
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changeset
|
692 check_cursor_col(); |
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diff
changeset
|
693 |
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changeset
|
694 // Insert mode: If the cursor is now after the end of the line while it |
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parents:
diff
changeset
|
695 // previously wasn't, the line was broken. Because of the rule above we |
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parents:
diff
changeset
|
696 // need to add a space when 'w' is in 'formatoptions' to keep a paragraph |
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changeset
|
697 // formatted. |
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changeset
|
698 if (!wasatend && has_format_option(FO_WHITE_PAR)) |
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diff
changeset
|
699 { |
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changeset
|
700 new = ml_get_curline(); |
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diff
changeset
|
701 len = (colnr_T)STRLEN(new); |
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diff
changeset
|
702 if (curwin->w_cursor.col == len) |
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changeset
|
703 { |
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changeset
|
704 pnew = vim_strnsave(new, len + 2); |
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diff
changeset
|
705 pnew[len] = ' '; |
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diff
changeset
|
706 pnew[len + 1] = NUL; |
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diff
changeset
|
707 ml_replace(curwin->w_cursor.lnum, pnew, FALSE); |
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diff
changeset
|
708 // remove the space later |
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changeset
|
709 did_add_space = TRUE; |
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diff
changeset
|
710 } |
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diff
changeset
|
711 else |
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changeset
|
712 // may remove added space |
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diff
changeset
|
713 check_auto_format(FALSE); |
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diff
changeset
|
714 } |
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diff
changeset
|
715 |
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diff
changeset
|
716 check_cursor(); |
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diff
changeset
|
717 } |
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diff
changeset
|
718 |
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diff
changeset
|
719 /* |
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diff
changeset
|
720 * When an extra space was added to continue a paragraph for auto-formatting, |
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parents:
diff
changeset
|
721 * delete it now. The space must be under the cursor, just after the insert |
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parents:
diff
changeset
|
722 * position. |
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diff
changeset
|
723 */ |
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|
724 void |
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|
725 check_auto_format( |
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|
726 int end_insert) // TRUE when ending Insert mode |
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changeset
|
727 { |
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|
728 int c = ' '; |
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changeset
|
729 int cc; |
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changeset
|
730 |
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|
731 if (did_add_space) |
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|
732 { |
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|
733 cc = gchar_cursor(); |
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|
734 if (!WHITECHAR(cc)) |
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changeset
|
735 // Somehow the space was removed already. |
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|
736 did_add_space = FALSE; |
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|
737 else |
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|
738 { |
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|
739 if (!end_insert) |
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|
740 { |
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changeset
|
741 inc_cursor(); |
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changeset
|
742 c = gchar_cursor(); |
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|
743 dec_cursor(); |
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|
744 } |
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|
745 if (c != NUL) |
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|
746 { |
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|
747 // The space is no longer at the end of the line, delete it. |
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|
748 del_char(FALSE); |
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|
749 did_add_space = FALSE; |
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changeset
|
750 } |
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|
751 } |
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|
752 } |
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changeset
|
753 } |
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|
754 |
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changeset
|
755 /* |
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|
756 * Find out textwidth to be used for formatting: |
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|
757 * if 'textwidth' option is set, use it |
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|
758 * else if 'wrapmargin' option is set, use curwin->w_width - 'wrapmargin' |
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|
759 * if invalid value, use 0. |
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changeset
|
760 * Set default to window width (maximum 79) for "gq" operator. |
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|
761 */ |
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|
762 int |
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|
763 comp_textwidth( |
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|
764 int ff) // force formatting (for "gq" command) |
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|
765 { |
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|
766 int textwidth; |
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|
767 |
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|
768 textwidth = curbuf->b_p_tw; |
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|
769 if (textwidth == 0 && curbuf->b_p_wm) |
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|
770 { |
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|
771 // The width is the window width minus 'wrapmargin' minus all the |
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|
772 // things that add to the margin. |
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|
773 textwidth = curwin->w_width - curbuf->b_p_wm; |
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|
774 #ifdef FEAT_CMDWIN |
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|
775 if (cmdwin_type != 0) |
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|
776 textwidth -= 1; |
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|
777 #endif |
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|
778 #ifdef FEAT_FOLDING |
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|
779 textwidth -= curwin->w_p_fdc; |
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780 #endif |
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|
781 #ifdef FEAT_SIGNS |
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|
782 if (signcolumn_on(curwin)) |
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|
783 textwidth -= 1; |
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|
784 #endif |
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|
785 if (curwin->w_p_nu || curwin->w_p_rnu) |
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|
786 textwidth -= 8; |
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|
787 } |
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|
788 if (textwidth < 0) |
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|
789 textwidth = 0; |
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|
790 if (ff && textwidth == 0) |
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|
791 { |
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|
792 textwidth = curwin->w_width - 1; |
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|
793 if (textwidth > 79) |
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|
794 textwidth = 79; |
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|
795 } |
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|
796 return textwidth; |
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|
797 } |
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changeset
|
798 |
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|
799 /* |
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diff
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|
800 * Implementation of the format operator 'gq'. |
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|
801 */ |
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|
802 void |
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|
803 op_format( |
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|
804 oparg_T *oap, |
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changeset
|
805 int keep_cursor) // keep cursor on same text char |
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|
806 { |
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|
807 long old_line_count = curbuf->b_ml.ml_line_count; |
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diff
changeset
|
808 |
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diff
changeset
|
809 // Place the cursor where the "gq" or "gw" command was given, so that "u" |
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|
810 // can put it back there. |
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diff
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|
811 curwin->w_cursor = oap->cursor_start; |
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|
812 |
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|
813 if (u_save((linenr_T)(oap->start.lnum - 1), |
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diff
changeset
|
814 (linenr_T)(oap->end.lnum + 1)) == FAIL) |
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diff
changeset
|
815 return; |
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changeset
|
816 curwin->w_cursor = oap->start; |
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changeset
|
817 |
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|
818 if (oap->is_VIsual) |
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diff
changeset
|
819 // When there is no change: need to remove the Visual selection |
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changeset
|
820 redraw_curbuf_later(INVERTED); |
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|
821 |
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|
822 if (!cmdmod.lockmarks) |
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diff
changeset
|
823 // Set '[ mark at the start of the formatted area |
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changeset
|
824 curbuf->b_op_start = oap->start; |
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changeset
|
825 |
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diff
changeset
|
826 // For "gw" remember the cursor position and put it back below (adjusted |
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diff
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|
827 // for joined and split lines). |
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|
828 if (keep_cursor) |
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|
829 saved_cursor = oap->cursor_start; |
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changeset
|
830 |
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changeset
|
831 format_lines(oap->line_count, keep_cursor); |
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diff
changeset
|
832 |
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changeset
|
833 // Leave the cursor at the first non-blank of the last formatted line. |
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|
834 // If the cursor was moved one line back (e.g. with "Q}") go to the next |
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|
835 // line, so "." will do the next lines. |
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diff
changeset
|
836 if (oap->end_adjusted && curwin->w_cursor.lnum < curbuf->b_ml.ml_line_count) |
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diff
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|
837 ++curwin->w_cursor.lnum; |
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diff
changeset
|
838 beginline(BL_WHITE | BL_FIX); |
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diff
changeset
|
839 old_line_count = curbuf->b_ml.ml_line_count - old_line_count; |
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diff
changeset
|
840 msgmore(old_line_count); |
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diff
changeset
|
841 |
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changeset
|
842 if (!cmdmod.lockmarks) |
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parents:
diff
changeset
|
843 // put '] mark on the end of the formatted area |
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Bram Moolenaar <Bram@vim.org>
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diff
changeset
|
844 curbuf->b_op_end = curwin->w_cursor; |
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diff
changeset
|
845 |
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846 if (keep_cursor) |
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847 { |
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848 curwin->w_cursor = saved_cursor; |
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|
849 saved_cursor.lnum = 0; |
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850 } |
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|
851 |
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|
852 if (oap->is_VIsual) |
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|
853 { |
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|
854 win_T *wp; |
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855 |
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856 FOR_ALL_WINDOWS(wp) |
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|
857 { |
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|
858 if (wp->w_old_cursor_lnum != 0) |
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|
859 { |
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|
860 // When lines have been inserted or deleted, adjust the end of |
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|
861 // the Visual area to be redrawn. |
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|
862 if (wp->w_old_cursor_lnum > wp->w_old_visual_lnum) |
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|
863 wp->w_old_cursor_lnum += old_line_count; |
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|
864 else |
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|
865 wp->w_old_visual_lnum += old_line_count; |
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866 } |
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|
867 } |
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868 } |
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|
869 } |
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|
870 |
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|
871 #if defined(FEAT_EVAL) || defined(PROTO) |
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|
872 /* |
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|
873 * Implementation of the format operator 'gq' for when using 'formatexpr'. |
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|
874 */ |
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|
875 void |
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|
876 op_formatexpr(oparg_T *oap) |
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|
877 { |
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|
878 if (oap->is_VIsual) |
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|
879 // When there is no change: need to remove the Visual selection |
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|
880 redraw_curbuf_later(INVERTED); |
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|
881 |
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882 if (fex_format(oap->start.lnum, oap->line_count, NUL) != 0) |
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883 // As documented: when 'formatexpr' returns non-zero fall back to |
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|
884 // internal formatting. |
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|
885 op_format(oap, FALSE); |
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|
886 } |
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|
887 |
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|
888 int |
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|
889 fex_format( |
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|
890 linenr_T lnum, |
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|
891 long count, |
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|
892 int c) // character to be inserted |
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893 { |
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|
894 int use_sandbox = was_set_insecurely((char_u *)"formatexpr", |
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|
895 OPT_LOCAL); |
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|
896 int r; |
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|
897 char_u *fex; |
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|
898 |
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|
899 // Set v:lnum to the first line number and v:count to the number of lines. |
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|
900 // Set v:char to the character to be inserted (can be NUL). |
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|
901 set_vim_var_nr(VV_LNUM, lnum); |
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|
902 set_vim_var_nr(VV_COUNT, count); |
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|
903 set_vim_var_char(c); |
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|
904 |
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|
905 // Make a copy, the option could be changed while calling it. |
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|
906 fex = vim_strsave(curbuf->b_p_fex); |
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|
907 if (fex == NULL) |
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|
908 return 0; |
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|
909 |
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|
910 // Evaluate the function. |
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|
911 if (use_sandbox) |
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|
912 ++sandbox; |
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|
913 r = (int)eval_to_number(fex); |
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|
914 if (use_sandbox) |
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|
915 --sandbox; |
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|
916 |
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|
917 set_vim_var_string(VV_CHAR, NULL, -1); |
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|
918 vim_free(fex); |
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|
919 |
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|
920 return r; |
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|
921 } |
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|
922 #endif |
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|
923 |
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|
924 /* |
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|
925 * Format "line_count" lines, starting at the cursor position. |
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|
926 * When "line_count" is negative, format until the end of the paragraph. |
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|
927 * Lines after the cursor line are saved for undo, caller must have saved the |
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|
928 * first line. |
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|
929 */ |
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|
930 void |
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diff
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|
931 format_lines( |
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|
932 linenr_T line_count, |
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|
933 int avoid_fex) // don't use 'formatexpr' |
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|
934 { |
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|
935 int max_len; |
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|
936 int is_not_par; // current line not part of parag. |
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|
937 int next_is_not_par; // next line not part of paragraph |
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|
938 int is_end_par; // at end of paragraph |
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|
939 int prev_is_end_par = FALSE;// prev. line not part of parag. |
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|
940 int next_is_start_par = FALSE; |
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|
941 int leader_len = 0; // leader len of current line |
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|
942 int next_leader_len; // leader len of next line |
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|
943 char_u *leader_flags = NULL; // flags for leader of current line |
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|
944 char_u *next_leader_flags; // flags for leader of next line |
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|
945 int do_comments; // format comments |
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|
946 int do_comments_list = 0; // format comments with 'n' or '2' |
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|
947 int advance = TRUE; |
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|
948 int second_indent = -1; // indent for second line (comment |
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|
949 // aware) |
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|
950 int do_second_indent; |
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|
951 int do_number_indent; |
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|
952 int do_trail_white; |
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|
953 int first_par_line = TRUE; |
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|
954 int smd_save; |
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|
955 long count; |
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|
956 int need_set_indent = TRUE; // set indent of next paragraph |
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|
957 int force_format = FALSE; |
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|
958 int old_State = State; |
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|
959 |
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|
960 // length of a line to force formatting: 3 * 'tw' |
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|
961 max_len = comp_textwidth(TRUE) * 3; |
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|
962 |
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|
963 // check for 'q', '2' and '1' in 'formatoptions' |
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|
964 do_comments = has_format_option(FO_Q_COMS); |
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|
965 do_second_indent = has_format_option(FO_Q_SECOND); |
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|
966 do_number_indent = has_format_option(FO_Q_NUMBER); |
918245588b50
patch 8.2.0674: some source files are too big
Bram Moolenaar <Bram@vim.org>
parents:
diff
changeset
|
967 do_trail_white = has_format_option(FO_WHITE_PAR); |
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patch 8.2.0674: some source files are too big
Bram Moolenaar <Bram@vim.org>
parents:
diff
changeset
|
968 |
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patch 8.2.0674: some source files are too big
Bram Moolenaar <Bram@vim.org>
parents:
diff
changeset
|
969 // Get info about the previous and current line. |
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patch 8.2.0674: some source files are too big
Bram Moolenaar <Bram@vim.org>
parents:
diff
changeset
|
970 if (curwin->w_cursor.lnum > 1) |
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patch 8.2.0674: some source files are too big
Bram Moolenaar <Bram@vim.org>
parents:
diff
changeset
|
971 is_not_par = fmt_check_par(curwin->w_cursor.lnum - 1 |
918245588b50
patch 8.2.0674: some source files are too big
Bram Moolenaar <Bram@vim.org>
parents:
diff
changeset
|
972 , &leader_len, &leader_flags, do_comments); |
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patch 8.2.0674: some source files are too big
Bram Moolenaar <Bram@vim.org>
parents:
diff
changeset
|
973 else |
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patch 8.2.0674: some source files are too big
Bram Moolenaar <Bram@vim.org>
parents:
diff
changeset
|
974 is_not_par = TRUE; |
918245588b50
patch 8.2.0674: some source files are too big
Bram Moolenaar <Bram@vim.org>
parents:
diff
changeset
|
975 next_is_not_par = fmt_check_par(curwin->w_cursor.lnum |
918245588b50
patch 8.2.0674: some source files are too big
Bram Moolenaar <Bram@vim.org>
parents:
diff
changeset
|
976 , &next_leader_len, &next_leader_flags, do_comments); |
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patch 8.2.0674: some source files are too big
Bram Moolenaar <Bram@vim.org>
parents:
diff
changeset
|
977 is_end_par = (is_not_par || next_is_not_par); |
918245588b50
patch 8.2.0674: some source files are too big
Bram Moolenaar <Bram@vim.org>
parents:
diff
changeset
|
978 if (!is_end_par && do_trail_white) |
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patch 8.2.0674: some source files are too big
Bram Moolenaar <Bram@vim.org>
parents:
diff
changeset
|
979 is_end_par = !ends_in_white(curwin->w_cursor.lnum - 1); |
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patch 8.2.0674: some source files are too big
Bram Moolenaar <Bram@vim.org>
parents:
diff
changeset
|
980 |
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patch 8.2.0674: some source files are too big
Bram Moolenaar <Bram@vim.org>
parents:
diff
changeset
|
981 curwin->w_cursor.lnum--; |
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patch 8.2.0674: some source files are too big
Bram Moolenaar <Bram@vim.org>
parents:
diff
changeset
|
982 for (count = line_count; count != 0 && !got_int; --count) |
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patch 8.2.0674: some source files are too big
Bram Moolenaar <Bram@vim.org>
parents:
diff
changeset
|
983 { |
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patch 8.2.0674: some source files are too big
Bram Moolenaar <Bram@vim.org>
parents:
diff
changeset
|
984 // Advance to next paragraph. |
918245588b50
patch 8.2.0674: some source files are too big
Bram Moolenaar <Bram@vim.org>
parents:
diff
changeset
|
985 if (advance) |
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patch 8.2.0674: some source files are too big
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parents:
diff
changeset
|
986 { |
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patch 8.2.0674: some source files are too big
Bram Moolenaar <Bram@vim.org>
parents:
diff
changeset
|
987 curwin->w_cursor.lnum++; |
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patch 8.2.0674: some source files are too big
Bram Moolenaar <Bram@vim.org>
parents:
diff
changeset
|
988 prev_is_end_par = is_end_par; |
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patch 8.2.0674: some source files are too big
Bram Moolenaar <Bram@vim.org>
parents:
diff
changeset
|
989 is_not_par = next_is_not_par; |
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patch 8.2.0674: some source files are too big
Bram Moolenaar <Bram@vim.org>
parents:
diff
changeset
|
990 leader_len = next_leader_len; |
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patch 8.2.0674: some source files are too big
Bram Moolenaar <Bram@vim.org>
parents:
diff
changeset
|
991 leader_flags = next_leader_flags; |
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Bram Moolenaar <Bram@vim.org>
parents:
diff
changeset
|
992 } |
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patch 8.2.0674: some source files are too big
Bram Moolenaar <Bram@vim.org>
parents:
diff
changeset
|
993 |
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patch 8.2.0674: some source files are too big
Bram Moolenaar <Bram@vim.org>
parents:
diff
changeset
|
994 // The last line to be formatted. |
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patch 8.2.0674: some source files are too big
Bram Moolenaar <Bram@vim.org>
parents:
diff
changeset
|
995 if (count == 1 || curwin->w_cursor.lnum == curbuf->b_ml.ml_line_count) |
918245588b50
patch 8.2.0674: some source files are too big
Bram Moolenaar <Bram@vim.org>
parents:
diff
changeset
|
996 { |
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patch 8.2.0674: some source files are too big
Bram Moolenaar <Bram@vim.org>
parents:
diff
changeset
|
997 next_is_not_par = TRUE; |
918245588b50
patch 8.2.0674: some source files are too big
Bram Moolenaar <Bram@vim.org>
parents:
diff
changeset
|
998 next_leader_len = 0; |
918245588b50
patch 8.2.0674: some source files are too big
Bram Moolenaar <Bram@vim.org>
parents:
diff
changeset
|
999 next_leader_flags = NULL; |
918245588b50
patch 8.2.0674: some source files are too big
Bram Moolenaar <Bram@vim.org>
parents:
diff
changeset
|
1000 } |
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patch 8.2.0674: some source files are too big
Bram Moolenaar <Bram@vim.org>
parents:
diff
changeset
|
1001 else |
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Bram Moolenaar <Bram@vim.org>
parents:
diff
changeset
|
1002 { |
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patch 8.2.0674: some source files are too big
Bram Moolenaar <Bram@vim.org>
parents:
diff
changeset
|
1003 next_is_not_par = fmt_check_par(curwin->w_cursor.lnum + 1 |
918245588b50
patch 8.2.0674: some source files are too big
Bram Moolenaar <Bram@vim.org>
parents:
diff
changeset
|
1004 , &next_leader_len, &next_leader_flags, do_comments); |
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patch 8.2.0674: some source files are too big
Bram Moolenaar <Bram@vim.org>
parents:
diff
changeset
|
1005 if (do_number_indent) |
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Bram Moolenaar <Bram@vim.org>
parents:
diff
changeset
|
1006 next_is_start_par = |
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patch 8.2.0674: some source files are too big
Bram Moolenaar <Bram@vim.org>
parents:
diff
changeset
|
1007 (get_number_indent(curwin->w_cursor.lnum + 1) > 0); |
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patch 8.2.0674: some source files are too big
Bram Moolenaar <Bram@vim.org>
parents:
diff
changeset
|
1008 } |
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Bram Moolenaar <Bram@vim.org>
parents:
diff
changeset
|
1009 advance = TRUE; |
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Bram Moolenaar <Bram@vim.org>
parents:
diff
changeset
|
1010 is_end_par = (is_not_par || next_is_not_par || next_is_start_par); |
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patch 8.2.0674: some source files are too big
Bram Moolenaar <Bram@vim.org>
parents:
diff
changeset
|
1011 if (!is_end_par && do_trail_white) |
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patch 8.2.0674: some source files are too big
Bram Moolenaar <Bram@vim.org>
parents:
diff
changeset
|
1012 is_end_par = !ends_in_white(curwin->w_cursor.lnum); |
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Bram Moolenaar <Bram@vim.org>
parents:
diff
changeset
|
1013 |
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parents:
diff
changeset
|
1014 // Skip lines that are not in a paragraph. |
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patch 8.2.0674: some source files are too big
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parents:
diff
changeset
|
1015 if (is_not_par) |
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Bram Moolenaar <Bram@vim.org>
parents:
diff
changeset
|
1016 { |
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Bram Moolenaar <Bram@vim.org>
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diff
changeset
|
1017 if (line_count < 0) |
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Bram Moolenaar <Bram@vim.org>
parents:
diff
changeset
|
1018 break; |
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|
1019 } |
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diff
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|
1020 else |
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Bram Moolenaar <Bram@vim.org>
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diff
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|
1021 { |
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patch 8.2.0674: some source files are too big
Bram Moolenaar <Bram@vim.org>
parents:
diff
changeset
|
1022 // For the first line of a paragraph, check indent of second line. |
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patch 8.2.0674: some source files are too big
Bram Moolenaar <Bram@vim.org>
parents:
diff
changeset
|
1023 // Don't do this for comments and empty lines. |
918245588b50
patch 8.2.0674: some source files are too big
Bram Moolenaar <Bram@vim.org>
parents:
diff
changeset
|
1024 if (first_par_line |
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patch 8.2.0674: some source files are too big
Bram Moolenaar <Bram@vim.org>
parents:
diff
changeset
|
1025 && (do_second_indent || do_number_indent) |
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patch 8.2.0674: some source files are too big
Bram Moolenaar <Bram@vim.org>
parents:
diff
changeset
|
1026 && prev_is_end_par |
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Bram Moolenaar <Bram@vim.org>
parents:
diff
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|
1027 && curwin->w_cursor.lnum < curbuf->b_ml.ml_line_count) |
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Bram Moolenaar <Bram@vim.org>
parents:
diff
changeset
|
1028 { |
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patch 8.2.0674: some source files are too big
Bram Moolenaar <Bram@vim.org>
parents:
diff
changeset
|
1029 if (do_second_indent && !LINEEMPTY(curwin->w_cursor.lnum + 1)) |
918245588b50
patch 8.2.0674: some source files are too big
Bram Moolenaar <Bram@vim.org>
parents:
diff
changeset
|
1030 { |
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patch 8.2.0674: some source files are too big
Bram Moolenaar <Bram@vim.org>
parents:
diff
changeset
|
1031 if (leader_len == 0 && next_leader_len == 0) |
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patch 8.2.0674: some source files are too big
Bram Moolenaar <Bram@vim.org>
parents:
diff
changeset
|
1032 { |
918245588b50
patch 8.2.0674: some source files are too big
Bram Moolenaar <Bram@vim.org>
parents:
diff
changeset
|
1033 // no comment found |
918245588b50
patch 8.2.0674: some source files are too big
Bram Moolenaar <Bram@vim.org>
parents:
diff
changeset
|
1034 second_indent = |
918245588b50
patch 8.2.0674: some source files are too big
Bram Moolenaar <Bram@vim.org>
parents:
diff
changeset
|
1035 get_indent_lnum(curwin->w_cursor.lnum + 1); |
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patch 8.2.0674: some source files are too big
Bram Moolenaar <Bram@vim.org>
parents:
diff
changeset
|
1036 } |
918245588b50
patch 8.2.0674: some source files are too big
Bram Moolenaar <Bram@vim.org>
parents:
diff
changeset
|
1037 else |
918245588b50
patch 8.2.0674: some source files are too big
Bram Moolenaar <Bram@vim.org>
parents:
diff
changeset
|
1038 { |
918245588b50
patch 8.2.0674: some source files are too big
Bram Moolenaar <Bram@vim.org>
parents:
diff
changeset
|
1039 second_indent = next_leader_len; |
918245588b50
patch 8.2.0674: some source files are too big
Bram Moolenaar <Bram@vim.org>
parents:
diff
changeset
|
1040 do_comments_list = 1; |
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Bram Moolenaar <Bram@vim.org>
parents:
diff
changeset
|
1041 } |
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Bram Moolenaar <Bram@vim.org>
parents:
diff
changeset
|
1042 } |
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patch 8.2.0674: some source files are too big
Bram Moolenaar <Bram@vim.org>
parents:
diff
changeset
|
1043 else if (do_number_indent) |
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patch 8.2.0674: some source files are too big
Bram Moolenaar <Bram@vim.org>
parents:
diff
changeset
|
1044 { |
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patch 8.2.0674: some source files are too big
Bram Moolenaar <Bram@vim.org>
parents:
diff
changeset
|
1045 if (leader_len == 0 && next_leader_len == 0) |
918245588b50
patch 8.2.0674: some source files are too big
Bram Moolenaar <Bram@vim.org>
parents:
diff
changeset
|
1046 { |
918245588b50
patch 8.2.0674: some source files are too big
Bram Moolenaar <Bram@vim.org>
parents:
diff
changeset
|
1047 // no comment found |
918245588b50
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Bram Moolenaar <Bram@vim.org>
parents:
diff
changeset
|
1048 second_indent = |
918245588b50
patch 8.2.0674: some source files are too big
Bram Moolenaar <Bram@vim.org>
parents:
diff
changeset
|
1049 get_number_indent(curwin->w_cursor.lnum); |
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Bram Moolenaar <Bram@vim.org>
parents:
diff
changeset
|
1050 } |
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Bram Moolenaar <Bram@vim.org>
parents:
diff
changeset
|
1051 else |
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Bram Moolenaar <Bram@vim.org>
parents:
diff
changeset
|
1052 { |
918245588b50
patch 8.2.0674: some source files are too big
Bram Moolenaar <Bram@vim.org>
parents:
diff
changeset
|
1053 // get_number_indent() is now "comment aware"... |
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patch 8.2.0674: some source files are too big
Bram Moolenaar <Bram@vim.org>
parents:
diff
changeset
|
1054 second_indent = |
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Bram Moolenaar <Bram@vim.org>
parents:
diff
changeset
|
1055 get_number_indent(curwin->w_cursor.lnum); |
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patch 8.2.0674: some source files are too big
Bram Moolenaar <Bram@vim.org>
parents:
diff
changeset
|
1056 do_comments_list = 1; |
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Bram Moolenaar <Bram@vim.org>
parents:
diff
changeset
|
1057 } |
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Bram Moolenaar <Bram@vim.org>
parents:
diff
changeset
|
1058 } |
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Bram Moolenaar <Bram@vim.org>
parents:
diff
changeset
|
1059 } |
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patch 8.2.0674: some source files are too big
Bram Moolenaar <Bram@vim.org>
parents:
diff
changeset
|
1060 |
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Bram Moolenaar <Bram@vim.org>
parents:
diff
changeset
|
1061 // When the comment leader changes, it's the end of the paragraph. |
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patch 8.2.0674: some source files are too big
Bram Moolenaar <Bram@vim.org>
parents:
diff
changeset
|
1062 if (curwin->w_cursor.lnum >= curbuf->b_ml.ml_line_count |
918245588b50
patch 8.2.0674: some source files are too big
Bram Moolenaar <Bram@vim.org>
parents:
diff
changeset
|
1063 || !same_leader(curwin->w_cursor.lnum, |
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patch 8.2.0674: some source files are too big
Bram Moolenaar <Bram@vim.org>
parents:
diff
changeset
|
1064 leader_len, leader_flags, |
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Bram Moolenaar <Bram@vim.org>
parents:
diff
changeset
|
1065 next_leader_len, next_leader_flags)) |
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patch 8.2.0674: some source files are too big
Bram Moolenaar <Bram@vim.org>
parents:
diff
changeset
|
1066 is_end_par = TRUE; |
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Bram Moolenaar <Bram@vim.org>
parents:
diff
changeset
|
1067 |
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Bram Moolenaar <Bram@vim.org>
parents:
diff
changeset
|
1068 // If we have got to the end of a paragraph, or the line is |
918245588b50
patch 8.2.0674: some source files are too big
Bram Moolenaar <Bram@vim.org>
parents:
diff
changeset
|
1069 // getting long, format it. |
918245588b50
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Bram Moolenaar <Bram@vim.org>
parents:
diff
changeset
|
1070 if (is_end_par || force_format) |
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Bram Moolenaar <Bram@vim.org>
parents:
diff
changeset
|
1071 { |
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Bram Moolenaar <Bram@vim.org>
parents:
diff
changeset
|
1072 if (need_set_indent) |
918245588b50
patch 8.2.0674: some source files are too big
Bram Moolenaar <Bram@vim.org>
parents:
diff
changeset
|
1073 // replace indent in first line with minimal number of |
918245588b50
patch 8.2.0674: some source files are too big
Bram Moolenaar <Bram@vim.org>
parents:
diff
changeset
|
1074 // tabs and spaces, according to current options |
918245588b50
patch 8.2.0674: some source files are too big
Bram Moolenaar <Bram@vim.org>
parents:
diff
changeset
|
1075 (void)set_indent(get_indent(), SIN_CHANGED); |
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patch 8.2.0674: some source files are too big
Bram Moolenaar <Bram@vim.org>
parents:
diff
changeset
|
1076 |
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Bram Moolenaar <Bram@vim.org>
parents:
diff
changeset
|
1077 // put cursor on last non-space |
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Bram Moolenaar <Bram@vim.org>
parents:
diff
changeset
|
1078 State = NORMAL; // don't go past end-of-line |
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patch 8.2.0674: some source files are too big
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parents:
diff
changeset
|
1079 coladvance((colnr_T)MAXCOL); |
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patch 8.2.0674: some source files are too big
Bram Moolenaar <Bram@vim.org>
parents:
diff
changeset
|
1080 while (curwin->w_cursor.col && vim_isspace(gchar_cursor())) |
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Bram Moolenaar <Bram@vim.org>
parents:
diff
changeset
|
1081 dec_cursor(); |
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Bram Moolenaar <Bram@vim.org>
parents:
diff
changeset
|
1082 |
918245588b50
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Bram Moolenaar <Bram@vim.org>
parents:
diff
changeset
|
1083 // do the formatting, without 'showmode' |
918245588b50
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Bram Moolenaar <Bram@vim.org>
parents:
diff
changeset
|
1084 State = INSERT; // for open_line() |
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Bram Moolenaar <Bram@vim.org>
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1085 smd_save = p_smd; |
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1086 p_smd = FALSE; |
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1087 insertchar(NUL, INSCHAR_FORMAT |
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1088 + (do_comments ? INSCHAR_DO_COM : 0) |
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1089 + (do_comments && do_comments_list |
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1090 ? INSCHAR_COM_LIST : 0) |
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1091 + (avoid_fex ? INSCHAR_NO_FEX : 0), second_indent); |
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1092 State = old_State; |
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1093 p_smd = smd_save; |
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1094 second_indent = -1; |
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1095 // at end of par.: need to set indent of next par. |
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1096 need_set_indent = is_end_par; |
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1097 if (is_end_par) |
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1098 { |
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1099 // When called with a negative line count, break at the |
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1100 // end of the paragraph. |
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1101 if (line_count < 0) |
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1102 break; |
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1103 first_par_line = TRUE; |
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1104 } |
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1105 force_format = FALSE; |
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1106 } |
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1107 |
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1108 // When still in same paragraph, join the lines together. But |
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1109 // first delete the leader from the second line. |
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1110 if (!is_end_par) |
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1111 { |
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1112 advance = FALSE; |
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1113 curwin->w_cursor.lnum++; |
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1114 curwin->w_cursor.col = 0; |
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1115 if (line_count < 0 && u_save_cursor() == FAIL) |
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1116 break; |
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1117 if (next_leader_len > 0) |
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1118 { |
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1119 (void)del_bytes((long)next_leader_len, FALSE, FALSE); |
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1120 mark_col_adjust(curwin->w_cursor.lnum, (colnr_T)0, 0L, |
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1121 (long)-next_leader_len, 0); |
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1122 } |
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1123 else if (second_indent > 0) // the "leader" for FO_Q_SECOND |
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1124 { |
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1125 int indent = getwhitecols_curline(); |
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1126 |
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1127 if (indent > 0) |
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1128 { |
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1129 (void)del_bytes(indent, FALSE, FALSE); |
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1130 mark_col_adjust(curwin->w_cursor.lnum, |
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1131 (colnr_T)0, 0L, (long)-indent, 0); |
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1132 } |
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1133 } |
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1134 curwin->w_cursor.lnum--; |
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1135 if (do_join(2, TRUE, FALSE, FALSE, FALSE) == FAIL) |
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1136 { |
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1137 beep_flush(); |
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1138 break; |
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1139 } |
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1140 first_par_line = FALSE; |
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1141 // If the line is getting long, format it next time |
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1142 if (STRLEN(ml_get_curline()) > (size_t)max_len) |
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1143 force_format = TRUE; |
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1144 else |
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1145 force_format = FALSE; |
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1146 } |
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1147 } |
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1148 line_breakcheck(); |
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1149 } |
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1150 } |