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1 /* |
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2 |
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3 Copyright (C) 2000 John W. Eaton |
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4 |
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5 This file is part of Octave. |
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6 |
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7 Octave is free software; you can redistribute it and/or modify it |
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8 under the terms of the GNU General Public License as published by the |
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9 Free Software Foundation; either version 3 of the License, or (at your |
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10 option) any later version. |
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11 |
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12 Octave is distributed in the hope that it will be useful, but WITHOUT |
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13 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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14 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
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15 for more details. |
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16 |
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17 You should have received a copy of the GNU General Public License |
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18 along with Octave; see the file COPYING. If not, see |
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19 <http://www.gnu.org/licenses/>. |
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20 |
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21 */ |
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22 |
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23 #ifdef HAVE_CONFIG_H |
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24 #include <config.h> |
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25 #endif |
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26 |
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27 #if defined (USE_READLINE) |
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28 |
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29 #include <stdio.h> |
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30 #include <stdlib.h> |
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31 |
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32 #include <readline/readline.h> |
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33 |
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34 #include "oct-rl-edit.h" |
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35 |
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36 #define OCTAVE_RL_SAVE_STRING(ss, s) \ |
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37 static char *ss = 0; \ |
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38 \ |
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39 if (ss) \ |
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40 { \ |
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41 free (ss); \ |
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42 ss = 0; \ |
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43 } \ |
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44 \ |
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45 ss = malloc (strlen (s) + 1); \ |
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46 \ |
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47 strcpy (ss, s) |
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48 |
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49 void |
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50 octave_rl_redisplay (void) |
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51 { |
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52 rl_redisplay (); |
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53 } |
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54 |
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55 int |
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56 octave_rl_screen_height (void) |
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57 { |
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58 int rows, cols; |
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59 rl_get_screen_size (&rows, &cols); |
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60 return rows; |
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61 } |
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62 |
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63 int |
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64 octave_rl_screen_width (void) |
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65 { |
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66 int rows, cols; |
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67 rl_get_screen_size (&rows, &cols); |
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68 return cols; |
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69 } |
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70 |
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71 void |
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72 octave_rl_enable_paren_matching (int val) |
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73 { |
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74 rl_variable_bind ("blink-matching-paren", val ? "1" : "0"); |
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75 } |
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76 |
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77 /* It would be much simpler if we could just call _rl_clear_screen to |
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78 only clear the screen, but it is not a public function, and on some |
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79 systems, it is not exported from shared library versions of |
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80 readline, so we can't use it. |
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81 |
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82 Instead, temporarily redefine the redisplay function to do nothing. |
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83 |
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84 FIXME -- It would be safer to do this when protected from |
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85 interrupts... */ |
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86 |
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87 static void |
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88 flush_stdout (void) |
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89 { |
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90 fflush (stdout); |
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91 } |
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92 |
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93 void |
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94 octave_rl_clear_screen (void) |
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95 { |
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96 int ignore1 = 0; |
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97 int ignore2 = 0; |
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98 |
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99 rl_voidfunc_t *saved_redisplay_function = rl_redisplay_function; |
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100 rl_redisplay_function = flush_stdout; |
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101 |
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102 rl_clear_screen (ignore1, ignore2); |
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103 |
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104 rl_redisplay_function = saved_redisplay_function; |
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105 } |
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106 |
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107 void |
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108 octave_rl_resize_terminal (void) |
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109 { |
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110 rl_resize_terminal (); |
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111 } |
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112 |
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113 void |
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114 octave_rl_restore_terminal_state () |
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115 { |
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116 if (rl_deprep_term_function) |
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117 rl_deprep_term_function (); |
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118 } |
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119 |
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120 void |
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121 octave_rl_insert_text (const char *s) |
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122 { |
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123 rl_insert_text (s); |
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124 } |
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125 |
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126 int |
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127 octave_rl_newline (int count, int key) |
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128 { |
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129 return rl_newline (count, key); |
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130 } |
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131 |
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132 const char * |
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133 octave_rl_line_buffer (void) |
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134 { |
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135 return rl_line_buffer; |
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136 } |
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137 |
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138 void |
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139 octave_rl_clear_undo_list (void) |
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140 { |
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141 if (rl_undo_list) |
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142 { |
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143 rl_free_undo_list (); |
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144 |
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145 rl_undo_list = 0; |
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146 } |
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147 } |
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148 |
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149 void |
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150 octave_rl_set_name (const char *n) |
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151 { |
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152 OCTAVE_RL_SAVE_STRING (nm, n); |
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153 |
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154 rl_readline_name = nm; |
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155 |
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156 /* Since we've already called rl_initialize, we need to re-read the |
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157 init file to take advantage of the conditional parsing feature |
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158 based on rl_readline_name; */ |
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159 |
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160 rl_re_read_init_file (0, 0); |
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161 } |
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162 |
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163 char * |
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164 octave_rl_readline (const char *prompt) |
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165 { |
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166 return readline (prompt); |
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167 } |
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168 |
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169 void |
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170 octave_rl_set_input_stream (FILE *f) |
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171 { |
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172 rl_instream = f; |
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173 } |
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174 |
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175 FILE * |
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176 octave_rl_get_input_stream (void) |
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177 { |
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178 return rl_instream; |
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179 } |
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180 |
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181 void |
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182 octave_rl_set_output_stream (FILE *f) |
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183 { |
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184 rl_outstream = f; |
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185 } |
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186 |
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187 FILE * |
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188 octave_rl_get_output_stream (void) |
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189 { |
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190 return rl_outstream; |
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191 } |
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192 |
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193 void |
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194 octave_rl_read_init_file (const char *f) |
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195 { |
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196 if (f && *f) |
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197 rl_read_init_file (f); |
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198 else |
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199 rl_re_read_init_file (0, 0); |
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200 } |
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201 |
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202 int |
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203 octave_rl_filename_completion_desired (int arg) |
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204 { |
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205 int retval = rl_filename_completion_desired; |
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206 rl_filename_completion_desired = arg; |
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207 return retval; |
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208 } |
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209 |
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210 int |
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211 octave_rl_filename_quoting_desired (int arg) |
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212 { |
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213 int retval = rl_filename_quoting_desired; |
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214 rl_filename_quoting_desired = arg; |
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215 return retval; |
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216 } |
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217 |
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218 char * |
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219 octave_rl_filename_completion_function (const char *text, int state) |
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220 { |
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221 return rl_filename_completion_function (text, state); |
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222 } |
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223 |
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224 void |
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225 octave_rl_set_basic_word_break_characters (const char *s) |
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226 { |
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227 OCTAVE_RL_SAVE_STRING (ss, s); |
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228 |
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229 rl_basic_word_break_characters = ss; |
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230 } |
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231 |
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232 void |
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233 octave_rl_set_completer_word_break_characters (const char *s) |
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234 { |
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235 OCTAVE_RL_SAVE_STRING (ss, s); |
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236 |
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237 rl_completer_word_break_characters = ss; |
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238 } |
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239 |
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240 void |
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241 octave_rl_set_basic_quote_characters (const char *s) |
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242 { |
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243 OCTAVE_RL_SAVE_STRING (ss, s); |
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244 |
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245 rl_basic_quote_characters = ss; |
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246 } |
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247 |
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248 void |
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249 octave_rl_set_filename_quote_characters (const char *s) |
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250 { |
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251 OCTAVE_RL_SAVE_STRING (ss, s); |
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252 |
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253 rl_filename_quote_characters = ss; |
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254 } |
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255 |
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256 void |
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257 octave_rl_set_completer_quote_characters (const char *s) |
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258 { |
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259 OCTAVE_RL_SAVE_STRING (ss, s); |
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260 |
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261 rl_completer_quote_characters = ss; |
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262 } |
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263 |
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264 void |
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265 octave_rl_set_completion_append_character (char c) |
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266 { |
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267 rl_completion_append_character = c; |
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268 } |
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269 |
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270 void |
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271 octave_rl_set_completion_function (rl_attempted_completion_fcn_ptr f) |
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272 { |
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273 rl_attempted_completion_function = f; |
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274 } |
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275 |
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276 void |
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277 octave_rl_set_quoting_function (rl_quoting_fcn_ptr f) |
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278 { |
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279 rl_filename_quoting_function = f; |
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280 } |
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281 |
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282 void |
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283 octave_rl_set_dequoting_function (rl_dequoting_fcn_ptr f) |
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284 { |
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285 rl_filename_dequoting_function = f; |
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286 } |
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287 |
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288 void |
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289 octave_rl_set_char_is_quoted_function (rl_char_is_quoted_fcn_ptr f) |
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290 { |
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291 rl_char_is_quoted_p = f; |
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292 } |
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293 |
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294 void |
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295 octave_rl_set_startup_hook (rl_startup_hook_fcn_ptr f) |
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296 { |
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297 rl_startup_hook = f; |
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298 } |
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299 |
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300 rl_startup_hook_fcn_ptr |
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301 octave_rl_get_startup_hook (void) |
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302 { |
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303 return rl_startup_hook; |
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304 } |
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305 |
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306 void |
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307 octave_rl_set_event_hook (rl_event_hook_fcn_ptr f) |
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308 { |
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309 rl_event_hook = f; |
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310 } |
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311 |
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312 rl_event_hook_fcn_ptr |
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313 octave_rl_get_event_hook (void) |
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314 { |
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315 return rl_event_hook; |
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316 } |
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317 |
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318 char ** |
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319 octave_rl_completion_matches (const char *text, rl_completer_fcn_ptr f) |
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320 { |
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321 return rl_completion_matches (text, f); |
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322 } |
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323 |
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324 char |
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325 octave_rl_prompt_start_ignore (void) |
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326 { |
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327 return RL_PROMPT_START_IGNORE; |
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328 } |
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329 |
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330 char |
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331 octave_rl_prompt_end_ignore (void) |
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332 { |
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333 return RL_PROMPT_END_IGNORE; |
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334 } |
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335 |
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336 void |
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337 octave_rl_add_defun (const char *name, rl_fcn_ptr f, char key) |
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338 { |
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339 rl_add_defun (name, f, key); |
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340 } |
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341 |
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342 void |
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343 octave_rl_set_terminal_name (const char *term) |
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344 { |
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345 rl_terminal_name = term; |
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346 } |
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347 |
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348 void |
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349 octave_rl_initialize (void) |
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350 { |
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351 rl_initialize (); |
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352 } |
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353 |
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354 int |
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355 octave_rl_history_search_forward (int count, int ignore) |
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356 { |
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357 return rl_history_search_forward (count, ignore); |
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358 } |
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359 |
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360 int |
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361 octave_rl_history_search_backward (int count, int ignore) |
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362 { |
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363 return rl_history_search_backward (count, ignore); |
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364 } |
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365 |
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366 char |
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367 octave_rl_ctrl (char c) |
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368 { |
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369 return CTRL (c); |
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370 } |
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371 |
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372 char |
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373 octave_rl_meta (char c) |
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374 { |
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375 return META (c); |
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376 } |
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377 |
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378 #endif |
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379 |
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380 /* |
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381 ;;; Local Variables: *** |
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382 ;;; mode: C++ *** |
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383 ;;; End: *** |
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384 */ |
