Mercurial > hg > early-roguelike
annotate rogue4/options.c @ 315:ad2570b5b21f
Advanced Rogue 5, 7: fix some trading post messages.
When attempting to buy an unaffordable object, messages were often of
the form "You can't afford that a scroll of hold monster !", because
the object description (stored in curpurch) was the same text used in
inventory displays.
This has been worked around by inspecting the contents of curpurch and
using different message templates.
author | John "Elwin" Edwards |
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date | Sun, 24 Oct 2021 20:26:21 -0400 |
parents | e52a8a7ad4c5 |
children |
rev | line source |
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1 /* |
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2 * This file has all the code for the option command. I would rather |
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3 * this command were not necessary, but it is the only way to keep the |
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4 * wolves off of my back. |
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5 * |
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6 * @(#)options.c 4.12 (Berkeley) 3/2/82 |
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7 * |
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8 * Rogue: Exploring the Dungeons of Doom |
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9 * Copyright (C) 1980, 1981, 1982 Michael Toy, Ken Arnold and Glenn Wichman |
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10 * All rights reserved. |
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11 * |
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12 * See the file LICENSE.TXT for full copyright and licensing information. |
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13 */ |
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14 |
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15 #include <curses.h> |
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16 #include <ctype.h> |
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17 #include <string.h> |
304 | 18 #include <stdlib.h> |
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19 #include "rogue.h" |
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20 |
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21 #define EQSTR(a, b, c) (strncmp(a, b, c) == 0) |
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22 |
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23 #define NUM_OPTS (sizeof optlist / sizeof (OPTION)) |
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24 |
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25 /* |
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26 * description of an option and what to do with it |
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27 */ |
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28 struct optstruct { |
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29 char *o_name; /* option name */ |
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30 char *o_prompt; /* prompt for interactive entry */ |
229
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31 void *o_opt; /* pointer to thing to set */ |
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32 void (*o_putfunc)(); /* function to print value */ |
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33 int (*o_getfunc)(); /* function to get value interactively */ |
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34 }; |
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35 |
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36 typedef struct optstruct OPTION; |
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37 |
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38 int allowchange(OPTION *opt); |
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39 |
215 | 40 void put_bool(bool *b); |
41 void put_str(char *str); | |
42 int get_bool(bool *bp, WINDOW *win); | |
43 int get_str(char *opt, WINDOW *win); | |
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44 |
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45 OPTION optlist[] = { |
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46 {"terse", "Terse output: ", |
229
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47 (void *) &terse, put_bool, get_bool }, |
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48 {"flush", "Flush typeahead during battle: ", |
229
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49 (void *) &fight_flush, put_bool, get_bool }, |
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50 {"jump", "Show position only at end of run: ", |
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51 (void *) &jump, put_bool, get_bool }, |
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52 {"step", "Do inventories one line at a time: ", |
229
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53 (void *) &slow_invent, put_bool, get_bool }, |
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54 {"askme", "Ask me about unidentified things: ", |
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55 (void *) &askme, put_bool, get_bool }, |
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56 {"passgo", "Follow turnings in passageways: ", |
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57 (void *) &passgo, put_bool, get_bool }, |
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58 {"name", "Name: ", |
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59 (void *) whoami, put_str, get_str }, |
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60 {"fruit", "Fruit: ", |
229
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61 (void *) fruit, put_str, get_str }, |
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62 {"file", "Save file: ", |
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63 (void *) file_name, put_str, get_str } |
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64 }; |
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65 |
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66 /* |
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67 * option: |
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68 * Print and then set options from the terminal |
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69 */ |
215 | 70 void |
71 option(void) | |
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72 { |
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73 register OPTION *op; |
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74 register int retval; |
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75 |
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76 wclear(hw); |
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77 /* |
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78 * Display current values of options |
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79 */ |
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80 for (op = optlist; op < &optlist[NUM_OPTS]; op++) |
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81 { |
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82 if (allowchange(op)) |
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83 { |
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84 waddstr(hw, op->o_prompt); |
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85 (*op->o_putfunc)(op->o_opt); |
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86 waddch(hw, '\n'); |
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87 } |
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88 } |
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89 /* |
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90 * Set values |
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91 */ |
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92 wmove(hw, 0, 0); |
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93 for (op = optlist; op < &optlist[NUM_OPTS]; op++) |
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94 { |
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95 if (!allowchange(op)) |
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96 continue; |
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97 waddstr(hw, op->o_prompt); |
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98 if ((retval = (*op->o_getfunc)(op->o_opt, hw))) |
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99 { |
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100 if (retval == QUIT) |
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101 break; |
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102 #if 0 /* disable MINUS */ |
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103 else if (op > optlist) { /* MINUS */ |
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104 wmove(hw, (op - optlist) - 1, 0); |
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105 op -= 2; |
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106 } |
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107 else /* trying to back up beyond the top */ |
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108 { |
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109 putchar('\007'); |
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110 wmove(hw, 0, 0); |
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111 op--; |
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112 } |
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113 #else |
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114 break; |
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115 #endif |
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116 } |
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117 } |
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118 /* |
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119 * Switch back to original screen |
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120 */ |
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121 mvwaddstr(hw, LINES-1, 0, "--Press space to continue--"); |
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122 wrefresh(hw); |
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123 wait_for(' '); |
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124 clearok(curscr, TRUE); |
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125 touchwin(stdscr); |
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126 after = FALSE; |
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127 } |
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128 |
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129 /* |
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130 * put_bool |
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131 * Put out a boolean |
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132 */ |
215 | 133 void |
134 put_bool(bool *b) | |
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135 { |
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136 waddstr(hw, *b ? "True" : "False"); |
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137 } |
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138 |
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139 /* |
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140 * put_str: |
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141 * Put out a string |
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142 */ |
215 | 143 void |
144 put_str(char *str) | |
12
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145 { |
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146 waddstr(hw, str); |
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147 } |
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148 |
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149 /* |
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150 * get_bool: |
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151 * Allow changing a boolean option and print it out |
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152 */ |
215 | 153 int |
154 get_bool(bool *bp, WINDOW *win) | |
12
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155 { |
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156 register int oy, ox; |
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157 register bool op_bad; |
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158 |
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159 op_bad = TRUE; |
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160 getyx(win, oy, ox); |
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161 waddstr(win, *bp ? "True" : "False"); |
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162 while (op_bad) |
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163 { |
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164 wmove(win, oy, ox); |
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165 wrefresh(win); |
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166 switch (readcharw(win)) |
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167 { |
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168 case 't': |
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169 case 'T': |
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170 *bp = TRUE; |
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171 op_bad = FALSE; |
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172 break; |
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173 case 'f': |
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174 case 'F': |
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175 *bp = FALSE; |
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176 op_bad = FALSE; |
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177 break; |
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178 case '\n': |
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179 case '\r': |
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180 op_bad = FALSE; |
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181 break; |
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182 case '\033': |
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183 case '\007': |
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184 return QUIT; |
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185 case '-': |
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186 return MINUS; |
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187 default: |
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188 mvwaddstr(win, oy, ox + 10, "(T or F)"); |
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189 } |
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190 } |
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191 wmove(win, oy, ox); |
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192 waddstr(win, *bp ? "True" : "False"); |
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193 waddch(win, '\n'); |
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194 return NORM; |
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195 } |
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196 |
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197 /* |
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198 * get_str: |
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199 * Set a string option |
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200 */ |
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201 #define MAXINP 50 /* max string to read from terminal or environment */ |
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202 |
215 | 203 int |
204 get_str(char *opt, WINDOW *win) | |
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205 { |
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206 register char *sp; |
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207 register int c, oy, ox; |
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208 char buf[MAXSTR]; |
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209 |
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210 getyx(win, oy, ox); |
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211 wrefresh(win); |
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212 /* |
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213 * loop reading in the string, and put it in a temporary buffer |
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214 */ |
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215 for (sp = buf; (c = readcharw(win)) != '\n' && c != '\r' && c != '\033'; |
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216 wclrtoeol(win), wrefresh(win)) |
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217 { |
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218 if (c == -1) |
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219 continue; |
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220 else if (c == md_erasechar()) /* process erase character */ |
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221 { |
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222 if (sp > buf) |
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223 { |
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224 register int i; |
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225 |
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226 sp--; |
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227 for (i = strlen(unctrol(*sp)); i; i--) |
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228 waddch(win, '\b'); |
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229 } |
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230 continue; |
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231 } |
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232 else if (c == md_killchar()) /* process kill character */ |
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233 { |
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234 sp = buf; |
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235 wmove(win, oy, ox); |
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236 continue; |
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237 } |
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238 else if (sp == buf) |
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239 { |
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240 if (c == '-' && win != stdscr) |
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241 break; |
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242 else if (c == '~') |
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243 { |
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244 strcpy(buf, home); |
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245 waddstr(win, home); |
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246 sp += strlen(home); |
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247 continue; |
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248 } |
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249 } |
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250 if (sp >= &buf[MAXINP] || !(isprint(c) || c == ' ')) |
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251 putchar(CTRL('G')); |
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252 else |
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253 { |
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254 *sp++ = c; |
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255 waddstr(win, unctrol(c)); |
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256 } |
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257 } |
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258 *sp = '\0'; |
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259 if (sp > buf) /* only change option if something has been typed */ |
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260 strucpy(opt, buf, strlen(buf)); |
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261 wmove(win, oy, ox); |
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262 waddstr(win, opt); |
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263 waddch(win, '\n'); |
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264 wrefresh(win); |
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265 if (win == stdscr) |
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266 mpos += sp - buf; |
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267 if (c == '-') |
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268 return MINUS; |
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269 else if (c == '\033' || c == '\007') |
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270 return QUIT; |
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271 else |
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272 return NORM; |
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273 } |
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274 |
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275 #ifdef WIZARD |
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276 /* |
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277 * get_num: |
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278 * Get a numeric option |
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279 */ |
215 | 280 int |
281 get_num(short *opt, WINDOW *win) | |
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282 { |
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283 register int i; |
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284 char buf[MAXSTR]; |
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285 |
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286 if ((i = get_str(buf, win)) == NORM) |
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287 *opt = atoi(buf); |
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288 return i; |
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289 } |
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290 #endif |
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291 |
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292 /* |
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293 * parse_opts: |
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294 * Parse options from string, usually taken from the environment. |
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295 * The string is a series of comma seperated values, with booleans |
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296 * being stated as "name" (true) or "noname" (false), and strings |
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297 * being "name=....", with the string being defined up to a comma |
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298 * or the end of the entire option string. |
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299 */ |
215 | 300 void |
301 parse_opts(char *str) | |
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302 { |
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303 register char *sp; |
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304 register OPTION *op; |
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305 register int len; |
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306 |
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307 while (*str) |
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308 { |
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309 /* |
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310 * Get option name |
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311 */ |
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312 for (sp = str; isalpha(*sp); sp++) |
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313 continue; |
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314 len = sp - str; |
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315 /* |
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316 * Look it up and deal with it |
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317 */ |
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318 for (op = optlist; op < &optlist[NUM_OPTS]; op++) |
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319 { |
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320 /* If using system savefiles, changing your name or the |
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321 save file is not allowed. */ |
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322 if (!allowchange(op)) |
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323 continue; |
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324 if (EQSTR(str, op->o_name, len)) |
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325 { |
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326 if (op->o_putfunc == put_bool) /* if option is a boolean */ |
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327 *(bool *)op->o_opt = TRUE; |
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328 else /* string option */ |
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329 { |
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330 register char *start; |
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331 /* |
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332 * Skip to start of string value |
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333 */ |
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334 for (str = sp + 1; *str == '='; str++) |
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335 continue; |
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336 if (*str == '~') |
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337 { |
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338 strcpy((char *) op->o_opt, home); |
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339 start = (char *) op->o_opt + strlen(home); |
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340 while (*++str == '/') |
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341 continue; |
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342 } |
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343 else |
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344 start = (char *) op->o_opt; |
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345 /* |
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346 * Skip to end of string value |
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347 */ |
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348 for (sp = str + 1; *sp && *sp != ','; sp++) |
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349 continue; |
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350 strucpy(start, str, sp - str); |
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351 } |
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352 break; |
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353 } |
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354 /* |
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355 * check for "noname" for booleans |
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356 */ |
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357 else if (op->o_putfunc == put_bool |
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358 && EQSTR(str, "no", 2) && EQSTR(str + 2, op->o_name, len - 2)) |
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359 { |
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360 *(bool *)op->o_opt = FALSE; |
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361 break; |
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362 } |
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363 } |
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364 |
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365 /* |
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366 * skip to start of next option name |
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367 */ |
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368 while (*sp && !isalpha(*sp)) |
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369 sp++; |
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370 str = sp; |
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371 } |
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372 } |
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373 |
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374 /* |
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375 * strucpy: |
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376 * Copy string using unctrol for things |
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377 */ |
215 | 378 void |
379 strucpy(char *s1, char *s2, int len) | |
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380 { |
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381 if (len > MAXINP) |
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382 len = MAXINP; |
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383 while (len--) |
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384 { |
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385 if (isprint(*s2) || *s2 == ' ') |
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386 *s1++ = *s2; |
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387 s2++; |
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388 } |
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389 *s1 = '\0'; |
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390 } |
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391 |
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392 /* Tells whether the player is allowed to change the option. */ |
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393 int allowchange(OPTION *opt) |
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394 { |
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395 if (!use_savedir) |
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396 return 1; |
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397 if (!strcmp(opt->o_name, "name")) |
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398 return 0; |
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399 if (!strcmp(opt->o_name, "file")) |
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400 return 0; |
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401 return 1; |
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402 } |
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403 |