1 | /* $Header: /afs/dev.mit.edu/source/repository/third/tcsh/tc.bind.c,v 1.1.1.3 2005-06-03 14:35:55 ghudson Exp $ */ |
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2 | /* |
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3 | * tc.bind.c: Key binding functions |
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4 | */ |
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5 | /*- |
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6 | * Copyright (c) 1980, 1991 The Regents of the University of California. |
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7 | * All rights reserved. |
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8 | * |
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9 | * Redistribution and use in source and binary forms, with or without |
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10 | * modification, are permitted provided that the following conditions |
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11 | * are met: |
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12 | * 1. Redistributions of source code must retain the above copyright |
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13 | * notice, this list of conditions and the following disclaimer. |
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14 | * 2. Redistributions in binary form must reproduce the above copyright |
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15 | * notice, this list of conditions and the following disclaimer in the |
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16 | * documentation and/or other materials provided with the distribution. |
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17 | * 3. Neither the name of the University nor the names of its contributors |
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18 | * may be used to endorse or promote products derived from this software |
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19 | * without specific prior written permission. |
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20 | * |
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21 | * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND |
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22 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
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23 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
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24 | * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE |
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25 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
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26 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS |
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27 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
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28 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT |
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29 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY |
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30 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
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31 | * SUCH DAMAGE. |
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32 | */ |
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33 | #include "sh.h" |
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34 | |
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35 | RCSID("$Id: tc.bind.c,v 1.1.1.3 2005-06-03 14:35:55 ghudson Exp $") |
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36 | |
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37 | #include "ed.h" |
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38 | #include "ed.defns.h" |
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39 | |
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40 | #ifdef OBSOLETE |
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41 | static int tocontrol __P((int)); |
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42 | static char *unparsekey __P((int)); |
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43 | static KEYCMD getkeycmd __P((Char **)); |
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44 | static int parsekey __P((Char **)); |
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45 | static void pkeys __P((int, int)); |
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46 | #endif /* OBSOLETE */ |
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47 | |
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48 | static void printkey __P((KEYCMD *, CStr *)); |
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49 | static KEYCMD parsecmd __P((Char *)); |
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50 | static void bad_spec __P((Char *)); |
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51 | static CStr *parsestring __P((Char *, CStr *)); |
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52 | static CStr *parsebind __P((Char *, CStr *)); |
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53 | static void print_all_keys __P((void)); |
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54 | static void printkeys __P((KEYCMD *, int, int)); |
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55 | static void bindkey_usage __P((void)); |
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56 | static void list_functions __P((void)); |
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57 | |
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58 | extern int MapsAreInited; |
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59 | |
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60 | |
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61 | |
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62 | |
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63 | /*ARGSUSED*/ |
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64 | void |
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65 | dobindkey(v, c) |
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66 | Char **v; |
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67 | struct command *c; |
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68 | { |
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69 | KEYCMD *map; |
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70 | int ntype, no, removeb, key, bindk; |
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71 | Char *par; |
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72 | Char p; |
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73 | KEYCMD cmd; |
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74 | CStr in; |
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75 | CStr out; |
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76 | Char inbuf[200]; |
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77 | Char outbuf[200]; |
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78 | uChar ch; |
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79 | in.buf = inbuf; |
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80 | out.buf = outbuf; |
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81 | in.len = 0; |
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82 | out.len = 0; |
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83 | |
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84 | USE(c); |
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85 | if (!MapsAreInited) |
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86 | ed_InitMaps(); |
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87 | |
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88 | map = CcKeyMap; |
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89 | ntype = XK_CMD; |
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90 | key = removeb = bindk = 0; |
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91 | for (no = 1, par = v[no]; |
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92 | par != NULL && (*par++ & CHAR) == '-'; no++, par = v[no]) { |
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93 | if ((p = (*par & CHAR)) == '-') { |
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94 | no++; |
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95 | break; |
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96 | } |
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97 | else |
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98 | switch (p) { |
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99 | case 'b': |
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100 | bindk = 1; |
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101 | break; |
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102 | case 'k': |
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103 | key = 1; |
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104 | break; |
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105 | case 'a': |
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106 | map = CcAltMap; |
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107 | break; |
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108 | case 's': |
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109 | ntype = XK_STR; |
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110 | break; |
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111 | case 'c': |
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112 | ntype = XK_EXE; |
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113 | break; |
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114 | case 'r': |
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115 | removeb = 1; |
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116 | break; |
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117 | case 'v': |
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118 | ed_InitVIMaps(); |
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119 | return; |
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120 | case 'e': |
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121 | ed_InitEmacsMaps(); |
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122 | return; |
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123 | case 'd': |
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124 | #ifdef VIDEFAULT |
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125 | ed_InitVIMaps(); |
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126 | #else /* EMACSDEFAULT */ |
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127 | ed_InitEmacsMaps(); |
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128 | #endif /* VIDEFAULT */ |
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129 | return; |
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130 | case 'l': |
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131 | list_functions(); |
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132 | return; |
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133 | default: |
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134 | bindkey_usage(); |
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135 | return; |
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136 | } |
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137 | } |
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138 | |
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139 | if (!v[no]) { |
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140 | print_all_keys(); |
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141 | return; |
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142 | } |
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143 | |
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144 | if (key) { |
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145 | if (!IsArrowKey(v[no])) |
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146 | xprintf(CGETS(20, 1, "Invalid key name `%S'\n"), v[no]); |
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147 | in.buf = v[no++]; |
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148 | in.len = Strlen(in.buf); |
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149 | } |
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150 | else { |
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151 | if (bindk) { |
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152 | if (parsebind(v[no++], &in) == NULL) |
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153 | return; |
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154 | } |
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155 | else { |
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156 | if (parsestring(v[no++], &in) == NULL) |
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157 | return; |
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158 | } |
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159 | } |
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160 | |
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161 | #ifndef WINNT_NATIVE |
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162 | if (in.buf[0] > 0xFF) { |
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163 | bad_spec(in.buf); |
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164 | return; |
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165 | } |
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166 | #endif |
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167 | ch = (uChar) in.buf[0]; |
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168 | |
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169 | if (removeb) { |
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170 | if (key) { |
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171 | (void) ClearArrowKeys(&in); |
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172 | return; |
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173 | } |
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174 | if (in.len > 1) { |
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175 | (void) DeleteXkey(&in); |
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176 | } |
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177 | else if (map[ch] == F_XKEY) { |
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178 | (void) DeleteXkey(&in); |
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179 | map[ch] = F_UNASSIGNED; |
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180 | } |
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181 | else { |
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182 | map[ch] = F_UNASSIGNED; |
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183 | } |
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184 | return; |
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185 | } |
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186 | if (!v[no]) { |
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187 | if (key) |
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188 | PrintArrowKeys(&in); |
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189 | else |
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190 | printkey(map, &in); |
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191 | return; |
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192 | } |
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193 | if (v[no + 1]) { |
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194 | bindkey_usage(); |
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195 | return; |
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196 | } |
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197 | switch (ntype) { |
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198 | case XK_STR: |
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199 | case XK_EXE: |
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200 | if (parsestring(v[no], &out) == NULL) |
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201 | return; |
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202 | if (key) { |
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203 | if (SetArrowKeys(&in, XmapStr(&out), ntype) == -1) |
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204 | xprintf(CGETS(20, 2, "Bad key name: %S\n"), in.buf); |
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205 | } |
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206 | else |
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207 | AddXkey(&in, XmapStr(&out), ntype); |
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208 | map[ch] = F_XKEY; |
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209 | break; |
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210 | case XK_CMD: |
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211 | if ((cmd = parsecmd(v[no])) == 0) |
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212 | return; |
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213 | if (key) |
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214 | (void) SetArrowKeys(&in, XmapCmd((int) cmd), ntype); |
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215 | else { |
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216 | if (in.len > 1) { |
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217 | AddXkey(&in, XmapCmd((int) cmd), ntype); |
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218 | map[ch] = F_XKEY; |
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219 | } |
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220 | else { |
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221 | ClearXkey(map, &in); |
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222 | map[ch] = cmd; |
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223 | } |
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224 | } |
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225 | break; |
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226 | default: |
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227 | abort(); |
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228 | break; |
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229 | } |
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230 | if (key) |
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231 | BindArrowKeys(); |
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232 | } |
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233 | |
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234 | static void |
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235 | printkey(map, in) |
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236 | KEYCMD *map; |
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237 | CStr *in; |
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238 | { |
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239 | unsigned char outbuf[100]; |
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240 | struct KeyFuncs *fp; |
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241 | |
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242 | if (in->len < 2) { |
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243 | (void) unparsestring(in, outbuf, STRQQ); |
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244 | for (fp = FuncNames; fp->name; fp++) { |
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245 | if (fp->func == map[(uChar) *(in->buf)]) { |
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246 | xprintf("%s\t->\t%s\n", outbuf, fp->name); |
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247 | } |
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248 | } |
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249 | } |
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250 | else |
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251 | PrintXkey(in); |
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252 | } |
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253 | |
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254 | static KEYCMD |
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255 | parsecmd(str) |
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256 | Char *str; |
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257 | { |
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258 | struct KeyFuncs *fp; |
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259 | |
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260 | for (fp = FuncNames; fp->name; fp++) { |
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261 | if (strcmp(short2str(str), fp->name) == 0) { |
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262 | return (KEYCMD) fp->func; |
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263 | } |
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264 | } |
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265 | xprintf(CGETS(20, 3, "Bad command name: %S\n"), str); |
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266 | return 0; |
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267 | } |
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268 | |
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269 | |
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270 | static void |
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271 | bad_spec(str) |
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272 | Char *str; |
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273 | { |
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274 | xprintf(CGETS(20, 4, "Bad key spec %S\n"), str); |
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275 | } |
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276 | |
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277 | static CStr * |
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278 | parsebind(s, str) |
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279 | Char *s; |
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280 | CStr *str; |
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281 | { |
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282 | Char *b = str->buf; |
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283 | |
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284 | if (Iscntrl(*s)) { |
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285 | *b++ = *s; |
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286 | *b = '\0'; |
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287 | str->len = (int) (b - str->buf); |
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288 | return str; |
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289 | } |
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290 | |
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291 | switch (*s) { |
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292 | case '^': |
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293 | s++; |
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294 | #ifdef IS_ASCII |
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295 | *b++ = (*s == '?') ? '\177' : ((*s & CHAR) & 0237); |
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296 | #else |
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297 | *b++ = (*s == '?') ? CTL_ESC('\177') : _toebcdic[_toascii[*s & CHAR] & 0237]; |
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298 | #endif |
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299 | *b = '\0'; |
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300 | break; |
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301 | |
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302 | case 'F': |
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303 | case 'M': |
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304 | case 'X': |
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305 | case 'C': |
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306 | #ifdef WINNT_NATIVE |
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307 | case 'N': |
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308 | #endif /* WINNT_NATIVE */ |
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309 | if (s[1] != '-' || s[2] == '\0') { |
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310 | bad_spec(s); |
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311 | return NULL; |
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312 | } |
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313 | s += 2; |
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314 | switch (s[-2]) { |
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315 | case 'F': case 'f': /* Turn into ^[str */ |
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316 | *b++ = CTL_ESC('\033'); |
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317 | while ((*b++ = *s++) != '\0') |
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318 | continue; |
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319 | b--; |
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320 | break; |
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321 | |
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322 | case 'C': case 'c': /* Turn into ^c */ |
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323 | #ifdef IS_ASCII |
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324 | *b++ = (*s == '?') ? '\177' : ((*s & CHAR) & 0237); |
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325 | #else |
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326 | *b++ = (*s == '?') ? CTL_ESC('\177') : _toebcdic[_toascii[*s & CHAR] & 0237]; |
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327 | #endif |
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328 | *b = '\0'; |
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329 | break; |
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330 | |
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331 | case 'X' : case 'x': /* Turn into ^Xc */ |
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332 | #ifdef IS_ASCII |
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333 | *b++ = 'X' & 0237; |
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334 | #else |
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335 | *b++ = _toebcdic[_toascii['X'] & 0237]; |
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336 | #endif |
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337 | *b++ = *s; |
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338 | *b = '\0'; |
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339 | break; |
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340 | |
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341 | case 'M' : case 'm': /* Turn into 0x80|c */ |
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342 | if (!NoNLSRebind) { |
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343 | *b++ = CTL_ESC('\033'); |
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344 | *b++ = *s; |
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345 | } else { |
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346 | #ifdef IS_ASCII |
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347 | *b++ = *s | 0x80; |
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348 | #else |
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349 | *b++ = _toebcdic[_toascii[*s] | 0x80]; |
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350 | #endif |
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351 | } |
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352 | *b = '\0'; |
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353 | break; |
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354 | #ifdef WINNT_NATIVE |
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355 | case 'N' : case 'n': /* NT */ |
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356 | { |
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357 | Char bnt; |
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358 | |
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359 | bnt = nt_translate_bindkey(s); |
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360 | if (bnt != 0) |
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361 | *b++ = bnt; |
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362 | else |
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363 | bad_spec(s); |
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364 | } |
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365 | break; |
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366 | #endif /* WINNT_NATIVE */ |
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367 | |
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368 | default: |
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369 | abort(); |
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370 | /*NOTREACHED*/ |
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371 | return NULL; |
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372 | } |
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373 | break; |
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374 | |
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375 | default: |
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376 | bad_spec(s); |
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377 | return NULL; |
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378 | } |
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379 | |
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380 | str->len = (int) (b - str->buf); |
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381 | return str; |
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382 | } |
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383 | |
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384 | |
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385 | static CStr * |
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386 | parsestring(str, buf) |
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387 | Char *str; |
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388 | CStr *buf; |
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389 | { |
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390 | Char *b; |
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391 | const Char *p; |
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392 | eChar es; |
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393 | |
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394 | b = buf->buf; |
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395 | if (*str == 0) { |
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396 | xprintf(CGETS(20, 5, "Null string specification\n")); |
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397 | return NULL; |
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398 | } |
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399 | |
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400 | for (p = str; *p != 0; p++) { |
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401 | if ((*p & CHAR) == '\\' || (*p & CHAR) == '^') { |
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402 | if ((es = parseescape(&p)) == CHAR_ERR) |
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403 | return 0; |
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404 | else |
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405 | *b++ = (Char) es; |
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406 | } |
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407 | else |
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408 | *b++ = *p & CHAR; |
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409 | } |
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410 | *b = 0; |
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411 | buf->len = (int) (b - buf->buf); |
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412 | return buf; |
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413 | } |
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414 | |
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415 | static void |
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416 | print_all_keys() |
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417 | { |
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418 | int prev, i; |
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419 | CStr nilstr; |
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420 | nilstr.buf = NULL; |
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421 | nilstr.len = 0; |
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422 | |
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423 | |
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424 | xprintf(CGETS(20, 6, "Standard key bindings\n")); |
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425 | prev = 0; |
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426 | for (i = 0; i < 256; i++) { |
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427 | if (CcKeyMap[prev] == CcKeyMap[i]) |
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428 | continue; |
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429 | printkeys(CcKeyMap, prev, i - 1); |
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430 | prev = i; |
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431 | } |
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432 | printkeys(CcKeyMap, prev, i - 1); |
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433 | |
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434 | xprintf(CGETS(20, 7, "Alternative key bindings\n")); |
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435 | prev = 0; |
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436 | for (i = 0; i < 256; i++) { |
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437 | if (CcAltMap[prev] == CcAltMap[i]) |
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438 | continue; |
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439 | printkeys(CcAltMap, prev, i - 1); |
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440 | prev = i; |
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441 | } |
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442 | printkeys(CcAltMap, prev, i - 1); |
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443 | xprintf(CGETS(20, 8, "Multi-character bindings\n")); |
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444 | PrintXkey(NULL); /* print all Xkey bindings */ |
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445 | xprintf(CGETS(20, 9, "Arrow key bindings\n")); |
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446 | PrintArrowKeys(&nilstr); |
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447 | } |
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448 | |
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449 | static void |
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450 | printkeys(map, first, last) |
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451 | KEYCMD *map; |
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452 | int first, last; |
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453 | { |
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454 | struct KeyFuncs *fp; |
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455 | Char firstbuf[2], lastbuf[2]; |
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456 | CStr fb, lb; |
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457 | unsigned char unparsbuf[10], extrabuf[10]; |
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458 | fb.buf = firstbuf; |
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459 | lb.buf = lastbuf; |
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460 | |
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461 | firstbuf[0] = (Char) first; |
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462 | firstbuf[1] = 0; |
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463 | lastbuf[0] = (Char) last; |
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464 | lastbuf[1] = 0; |
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465 | fb.len = 1; |
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466 | lb.len = 1; |
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467 | |
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468 | if (map[first] == F_UNASSIGNED) { |
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469 | if (first == last) |
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470 | xprintf(CGETS(20, 10, "%-15s-> is undefined\n"), |
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471 | unparsestring(&fb, unparsbuf, STRQQ)); |
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472 | return; |
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473 | } |
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474 | |
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475 | for (fp = FuncNames; fp->name; fp++) { |
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476 | if (fp->func == map[first]) { |
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477 | if (first == last) { |
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478 | xprintf("%-15s-> %s\n", |
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479 | unparsestring(&fb, unparsbuf, STRQQ), fp->name); |
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480 | } |
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481 | else { |
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482 | xprintf("%-4s to %-7s-> %s\n", |
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483 | unparsestring(&fb, unparsbuf, STRQQ), |
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484 | unparsestring(&lb, extrabuf, STRQQ), fp->name); |
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485 | } |
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486 | return; |
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487 | } |
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488 | } |
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489 | if (map == CcKeyMap) { |
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490 | xprintf(CGETS(20, 11, "BUG!!! %s isn't bound to anything.\n"), |
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491 | unparsestring(&fb, unparsbuf, STRQQ)); |
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492 | xprintf("CcKeyMap[%d] == %d\n", first, CcKeyMap[first]); |
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493 | } |
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494 | else { |
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495 | xprintf(CGETS(20, 11, "BUG!!! %s isn't bound to anything.\n"), |
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496 | unparsestring(&fb, unparsbuf, STRQQ)); |
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497 | xprintf("CcAltMap[%d] == %d\n", first, CcAltMap[first]); |
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498 | } |
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499 | } |
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500 | |
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501 | static void |
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502 | bindkey_usage() |
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503 | { |
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504 | xprintf(CGETS(20, 12, |
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505 | "Usage: bindkey [options] [--] [KEY [COMMAND]]\n")); |
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506 | xprintf(CGETS(20, 13, |
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507 | " -a list or bind KEY in alternative key map\n")); |
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508 | xprintf(CGETS(20, 14, |
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509 | " -b interpret KEY as a C-, M-, F- or X- key name\n")); |
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510 | xprintf(CGETS(20, 15, |
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511 | " -s interpret COMMAND as a literal string to be output\n")); |
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512 | xprintf(CGETS(20, 16, |
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513 | " -c interpret COMMAND as a builtin or external command\n")); |
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514 | xprintf(CGETS(20, 17, |
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515 | " -v bind all keys to vi bindings\n")); |
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516 | xprintf(CGETS(20, 18, |
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517 | " -e bind all keys to emacs bindings\n")); |
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518 | xprintf(CGETS(20, 19, |
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519 | " -d bind all keys to default editor's bindings\n")); |
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520 | xprintf(CGETS(20, 20, |
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521 | " -l list editor commands with descriptions\n")); |
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522 | xprintf(CGETS(20, 21, |
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523 | " -r remove KEY's binding\n")); |
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524 | xprintf(CGETS(20, 22, |
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525 | " -k interpret KEY as a symbolic arrow-key name\n")); |
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526 | xprintf(CGETS(20, 23, |
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527 | " -- force a break from option processing\n")); |
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528 | xprintf(CGETS(20, 24, |
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529 | " -u (or any invalid option) this message\n")); |
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530 | xprintf("\n"); |
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531 | xprintf(CGETS(20, 25, |
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532 | "Without KEY or COMMAND, prints all bindings\n")); |
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533 | xprintf(CGETS(20, 26, |
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534 | "Without COMMAND, prints the binding for KEY.\n")); |
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535 | } |
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536 | |
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537 | static void |
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538 | list_functions() |
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539 | { |
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540 | struct KeyFuncs *fp; |
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541 | |
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542 | for (fp = FuncNames; fp->name; fp++) { |
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543 | xprintf("%s\n %s\n", fp->name, fp->desc); |
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544 | } |
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545 | } |
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546 | |
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547 | #ifdef OBSOLETE |
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548 | |
---|
549 | /* |
---|
550 | * Unfortunately the apollo optimizer does not like & operations |
---|
551 | * with 0377, and produces illegal instructions. So we make it |
---|
552 | * an unsigned char, and hope for the best. |
---|
553 | * Of-course the compiler is smart enough to produce bad assembly |
---|
554 | * language instructions, but dumb when it comes to fold the constant :-) |
---|
555 | */ |
---|
556 | #ifdef apollo |
---|
557 | static unsigned char APOLLO_0377 = 0377; |
---|
558 | #else /* sane */ |
---|
559 | # define APOLLO_0377 0377 |
---|
560 | #endif /* apollo */ |
---|
561 | |
---|
562 | static int |
---|
563 | tocontrol(c) |
---|
564 | int c; |
---|
565 | { |
---|
566 | c &= CHAR; |
---|
567 | if (Islower(c)) |
---|
568 | c = Toupper(c); |
---|
569 | else if (c == ' ') |
---|
570 | c = '@'; |
---|
571 | if (c == '?') |
---|
572 | c = CTL_ESC('\177'); |
---|
573 | else |
---|
574 | #ifdef IS_ASCII |
---|
575 | c &= 037; |
---|
576 | #else |
---|
577 | /* EBCDIC: simulate ASCII-behavior by transforming to ASCII and back */ |
---|
578 | c = _toebcdic[_toascii[c] & 037]; |
---|
579 | #endif |
---|
580 | return (c); |
---|
581 | } |
---|
582 | |
---|
583 | static char * |
---|
584 | unparsekey(c) /* 'c' -> "c", '^C' -> "^" + "C" */ |
---|
585 | int c; |
---|
586 | { |
---|
587 | char *cp; |
---|
588 | static char tmp[10]; |
---|
589 | |
---|
590 | cp = tmp; |
---|
591 | |
---|
592 | if (c & 0400) { |
---|
593 | *cp++ = 'A'; |
---|
594 | *cp++ = '-'; |
---|
595 | c &= APOLLO_0377; |
---|
596 | } |
---|
597 | if ((c & META) && !(Isprint(c) || (Iscntrl(c) && Isprint(c | 0100)))) { |
---|
598 | *cp++ = 'M'; |
---|
599 | *cp++ = '-'; |
---|
600 | c &= ASCII; |
---|
601 | } |
---|
602 | if (Isprint(c)) { |
---|
603 | *cp++ = (char) c; |
---|
604 | *cp = '\0'; |
---|
605 | return (tmp); |
---|
606 | } |
---|
607 | switch (c) { |
---|
608 | case ' ': |
---|
609 | (void) strcpy(cp, "Spc"); |
---|
610 | return (tmp); |
---|
611 | case '\n': |
---|
612 | (void) strcpy(cp, "Lfd"); |
---|
613 | return (tmp); |
---|
614 | case '\r': |
---|
615 | (void) strcpy(cp, "Ret"); |
---|
616 | return (tmp); |
---|
617 | case '\t': |
---|
618 | (void) strcpy(cp, "Tab"); |
---|
619 | return (tmp); |
---|
620 | #ifdef IS_ASCII |
---|
621 | case '\033': |
---|
622 | (void) strcpy(cp, "Esc"); |
---|
623 | return (tmp); |
---|
624 | case '\177': |
---|
625 | (void) strcpy(cp, "Del"); |
---|
626 | return (tmp); |
---|
627 | default: |
---|
628 | *cp++ = '^'; |
---|
629 | if (c == '\177') { |
---|
630 | *cp++ = '?'; |
---|
631 | } |
---|
632 | else { |
---|
633 | *cp++ = c | 0100; |
---|
634 | } |
---|
635 | *cp = '\0'; |
---|
636 | return (tmp); |
---|
637 | #else /* IS_ASCII */ |
---|
638 | default: |
---|
639 | if (*cp == CTL_ESC('\033')) { |
---|
640 | (void) strcpy(cp, "Esc"); |
---|
641 | return (tmp); |
---|
642 | } |
---|
643 | else if (*cp == CTL_ESC('\177')) { |
---|
644 | (void) strcpy(cp, "Del"); |
---|
645 | return (tmp); |
---|
646 | } |
---|
647 | else if (Isupper(_toebcdic[_toascii[c]|0100]) |
---|
648 | || strchr("@[\\]^_", _toebcdic[_toascii[c]|0100]) != NULL) { |
---|
649 | *cp++ = '^'; |
---|
650 | *cp++ = _toebcdic[_toascii[c]|0100] |
---|
651 | } |
---|
652 | else { |
---|
653 | xsnprintf(cp, 3, "\\%3.3o", c); |
---|
654 | cp += 4; |
---|
655 | } |
---|
656 | #endif /* IS_ASCII */ |
---|
657 | } |
---|
658 | } |
---|
659 | |
---|
660 | static KEYCMD |
---|
661 | getkeycmd(sp) |
---|
662 | Char **sp; |
---|
663 | { |
---|
664 | Char *s = *sp; |
---|
665 | char c; |
---|
666 | KEYCMD keycmd = F_UNASSIGNED; |
---|
667 | KEYCMD *map; |
---|
668 | int meta = 0; |
---|
669 | Char *ret_sp = s; |
---|
670 | |
---|
671 | map = CcKeyMap; |
---|
672 | |
---|
673 | while (*s) { |
---|
674 | if (*s == '^' && s[1]) { |
---|
675 | s++; |
---|
676 | c = tocontrol(*s++); |
---|
677 | } |
---|
678 | else |
---|
679 | c = *s++; |
---|
680 | |
---|
681 | if (*s == '\0') |
---|
682 | break; |
---|
683 | |
---|
684 | switch (map[c | meta]) { |
---|
685 | case F_METANEXT: |
---|
686 | meta = META; |
---|
687 | keycmd = F_METANEXT; |
---|
688 | ret_sp = s; |
---|
689 | break; |
---|
690 | |
---|
691 | case F_XKEY: |
---|
692 | keycmd = F_XKEY; |
---|
693 | ret_sp = s; |
---|
694 | /* FALLTHROUGH */ |
---|
695 | |
---|
696 | default: |
---|
697 | *sp = ret_sp; |
---|
698 | return (keycmd); |
---|
699 | |
---|
700 | } |
---|
701 | } |
---|
702 | *sp = ret_sp; |
---|
703 | return (keycmd); |
---|
704 | } |
---|
705 | |
---|
706 | static int |
---|
707 | parsekey(sp) |
---|
708 | Char **sp; /* Return position of first unparsed character |
---|
709 | * for return value -2 (xkeynext) */ |
---|
710 | { |
---|
711 | int c, meta = 0, control = 0, ctrlx = 0; |
---|
712 | Char *s = *sp; |
---|
713 | KEYCMD keycmd; |
---|
714 | |
---|
715 | if (s == NULL) { |
---|
716 | xprintf(CGETS(20, 27, "bad key specification -- null string\n")); |
---|
717 | return -1; |
---|
718 | } |
---|
719 | if (*s == 0) { |
---|
720 | xprintf(CGETS(20, 28, "bad key specification -- empty string\n")); |
---|
721 | return -1; |
---|
722 | } |
---|
723 | |
---|
724 | (void) strip(s); /* trim to 7 bits. */ |
---|
725 | |
---|
726 | if (s[1] == 0) /* single char */ |
---|
727 | return (s[0] & APOLLO_0377); |
---|
728 | |
---|
729 | if ((s[0] == 'F' || s[0] == 'f') && s[1] == '-') { |
---|
730 | if (s[2] == 0) { |
---|
731 | xprintf(CGETS(20, 29, |
---|
732 | "Bad function-key specification. Null key not allowed\n")); |
---|
733 | return (-1); |
---|
734 | } |
---|
735 | *sp = s + 2; |
---|
736 | return (-2); |
---|
737 | } |
---|
738 | |
---|
739 | if (s[0] == '0' && s[1] == 'x') { /* if 0xn, then assume number */ |
---|
740 | c = 0; |
---|
741 | for (s += 2; *s; s++) { /* convert to hex; skip the first 0 */ |
---|
742 | c *= 16; |
---|
743 | if (!Isxdigit(*s)) { |
---|
744 | xprintf(CGETS(20, 30, |
---|
745 | "bad key specification -- malformed hex number\n")); |
---|
746 | return -1; /* error */ |
---|
747 | } |
---|
748 | if (Isdigit(*s)) |
---|
749 | c += *s - '0'; |
---|
750 | else if (*s >= 'a' && *s <= 'f') |
---|
751 | c += *s - 'a' + 0xA; |
---|
752 | else if (*s >= 'F' && *s <= 'F') |
---|
753 | c += *s - 'A' + 0xA; |
---|
754 | } |
---|
755 | } |
---|
756 | else if (s[0] == '0' && Isdigit(s[1])) { /* if 0n, then assume number */ |
---|
757 | c = 0; |
---|
758 | for (s++; *s; s++) { /* convert to octal; skip the first 0 */ |
---|
759 | if (!Isdigit(*s) || *s == '8' || *s == '9') { |
---|
760 | xprintf(CGETS(20, 31, |
---|
761 | "bad key specification -- malformed octal number\n")); |
---|
762 | return -1; /* error */ |
---|
763 | } |
---|
764 | c = (c * 8) + *s - '0'; |
---|
765 | } |
---|
766 | } |
---|
767 | else if (Isdigit(s[0]) && Isdigit(s[1])) { /* decimal number */ |
---|
768 | c = 0; |
---|
769 | for (; *s; s++) { /* convert to octal; skip the first 0 */ |
---|
770 | if (!Isdigit(*s)) { |
---|
771 | xprintf(CGETS(20, 32, |
---|
772 | "bad key specification -- malformed decimal number\n")); |
---|
773 | return -1; /* error */ |
---|
774 | } |
---|
775 | c = (c * 10) + *s - '0'; |
---|
776 | } |
---|
777 | } |
---|
778 | else { |
---|
779 | keycmd = getkeycmd(&s); |
---|
780 | |
---|
781 | if ((s[0] == 'X' || s[0] == 'x') && s[1] == '-') { /* X- */ |
---|
782 | ctrlx++; |
---|
783 | s += 2; |
---|
784 | keycmd = getkeycmd(&s); |
---|
785 | } |
---|
786 | if ((*s == 'm' || *s == 'M') && s[1] == '-') { /* meta */ |
---|
787 | meta++; |
---|
788 | s += 2; |
---|
789 | keycmd = getkeycmd(&s); |
---|
790 | } |
---|
791 | else if (keycmd == F_METANEXT && *s) { /* meta */ |
---|
792 | meta++; |
---|
793 | keycmd = getkeycmd(&s); |
---|
794 | } |
---|
795 | if (*s == '^' && s[1]) { |
---|
796 | control++; |
---|
797 | s++; |
---|
798 | keycmd = getkeycmd(&s); |
---|
799 | } |
---|
800 | else if ((*s == 'c' || *s == 'C') && s[1] == '-') { /* control */ |
---|
801 | control++; |
---|
802 | s += 2; |
---|
803 | keycmd = getkeycmd(&s); |
---|
804 | } |
---|
805 | |
---|
806 | if (keycmd == F_XKEY) { |
---|
807 | if (*s == 0) { |
---|
808 | xprintf(CGETS(20, 33, |
---|
809 | "Bad function-key specification.\n")); |
---|
810 | xprintf(CGETS(20, 34, "Null key not allowed\n")); |
---|
811 | return (-1); |
---|
812 | } |
---|
813 | *sp = s; |
---|
814 | return (-2); |
---|
815 | } |
---|
816 | |
---|
817 | if (s[1] != 0) { /* if symbolic name */ |
---|
818 | char *ts; |
---|
819 | |
---|
820 | ts = short2str(s); |
---|
821 | if (!strcmp(ts, "space") || !strcmp(ts, "Spc")) |
---|
822 | c = ' '; |
---|
823 | else if (!strcmp(ts, "return") || !strcmp(ts, "Ret")) |
---|
824 | c = '\r'; |
---|
825 | else if (!strcmp(ts, "newline") || !strcmp(ts, "Lfd")) |
---|
826 | c = '\n'; |
---|
827 | else if (!strcmp(ts, "linefeed")) |
---|
828 | c = '\n'; |
---|
829 | else if (!strcmp(ts, "tab")) |
---|
830 | c = '\t'; |
---|
831 | else if (!strcmp(ts, "escape") || !strcmp(ts, "Esc")) |
---|
832 | c = CTL_ESC('\033'); |
---|
833 | else if (!strcmp(ts, "backspace")) |
---|
834 | c = '\b'; |
---|
835 | else if (!strcmp(ts, "delete")) |
---|
836 | c = CTL_ESC('\177'); |
---|
837 | else { |
---|
838 | xprintf(CGETS(20, 35, |
---|
839 | "bad key specification -- unknown name \"%S\"\n"), s); |
---|
840 | return -1; /* error */ |
---|
841 | } |
---|
842 | } |
---|
843 | else |
---|
844 | c = *s; /* just a single char */ |
---|
845 | |
---|
846 | if (control) |
---|
847 | c = tocontrol(c); |
---|
848 | if (meta) |
---|
849 | c |= META; |
---|
850 | if (ctrlx) |
---|
851 | c |= 0400; |
---|
852 | } |
---|
853 | return (c & 0777); |
---|
854 | } |
---|
855 | |
---|
856 | |
---|
857 | /*ARGSUSED*/ |
---|
858 | void |
---|
859 | dobind(v, dummy) |
---|
860 | Char **v; |
---|
861 | struct command *dummy; |
---|
862 | { |
---|
863 | int c; |
---|
864 | struct KeyFuncs *fp; |
---|
865 | int i, prev; |
---|
866 | Char *p, *l; |
---|
867 | CStr cstr; |
---|
868 | Char buf[1000]; |
---|
869 | |
---|
870 | USE(dummy); |
---|
871 | /* |
---|
872 | * Assume at this point that i'm given 2 or 3 args - 'bind', the f-name, |
---|
873 | * and the key; or 'bind' key to print the func for that key. |
---|
874 | */ |
---|
875 | |
---|
876 | if (!MapsAreInited) |
---|
877 | ed_InitMaps(); |
---|
878 | |
---|
879 | if (v[1] && v[2] && v[3]) { |
---|
880 | xprintf(CGETS(20, 36, |
---|
881 | "usage: bind [KEY | COMMAND KEY | \"emacs\" | \"vi\" | \"-a\"]\n")); |
---|
882 | return; |
---|
883 | } |
---|
884 | |
---|
885 | if (v[1] && v[2]) { /* if bind FUNCTION KEY */ |
---|
886 | for (fp = FuncNames; fp->name; fp++) { |
---|
887 | if (strcmp(short2str(v[1]), fp->name) == 0) { |
---|
888 | Char *s = v[2]; |
---|
889 | |
---|
890 | if ((c = parsekey(&s)) == -1) |
---|
891 | return; |
---|
892 | if (c == -2) { /* extended key */ |
---|
893 | for (i = 0; i < 256; i++) { |
---|
894 | if (i != CTL_ESC('\033') && (CcKeyMap[i] == F_XKEY || |
---|
895 | CcAltMap[i] == F_XKEY)) { |
---|
896 | p = buf; |
---|
897 | #ifdef IS_ASCII |
---|
898 | if (i > 0177) { |
---|
899 | *p++ = 033; |
---|
900 | *p++ = i & ASCII; |
---|
901 | } |
---|
902 | else { |
---|
903 | *p++ = (Char) i; |
---|
904 | } |
---|
905 | #else |
---|
906 | *p++ = (Char) i; |
---|
907 | #endif |
---|
908 | for (l = s; *l != 0; l++) { |
---|
909 | *p++ = *l; |
---|
910 | } |
---|
911 | *p = 0; |
---|
912 | cstr.buf = buf; |
---|
913 | cstr.len = Strlen(buf); |
---|
914 | AddXkey(&cstr, XmapCmd(fp->func), XK_CMD); |
---|
915 | } |
---|
916 | } |
---|
917 | return; |
---|
918 | } |
---|
919 | if (c & 0400) { |
---|
920 | if (VImode) { |
---|
921 | CcAltMap[c & APOLLO_0377] = fp->func; |
---|
922 | /* bind the vi cmd mode key */ |
---|
923 | if (c & META) { |
---|
924 | buf[0] = CTL_ESC('\033'); |
---|
925 | buf[1] = c & ASCII; |
---|
926 | buf[2] = 0; |
---|
927 | cstr.buf = buf; |
---|
928 | cstr.len = Strlen(buf); |
---|
929 | AddXkey(&cstr, XmapCmd(fp->func), XK_CMD); |
---|
930 | } |
---|
931 | } |
---|
932 | else { |
---|
933 | buf[0] = CTL_ESC('\030'); /* ^X */ |
---|
934 | buf[1] = c & APOLLO_0377; |
---|
935 | buf[2] = 0; |
---|
936 | cstr.buf = buf; |
---|
937 | cstr.len = Strlen(buf); |
---|
938 | AddXkey(&cstr, XmapCmd(fp->func), XK_CMD); |
---|
939 | CcKeyMap[CTL_ESC('\030')] = F_XKEY; |
---|
940 | } |
---|
941 | } |
---|
942 | else { |
---|
943 | CcKeyMap[c] = fp->func; /* bind the key */ |
---|
944 | if (c & META) { |
---|
945 | buf[0] = CTL_ESC('\033'); |
---|
946 | buf[1] = c & ASCII; |
---|
947 | buf[2] = 0; |
---|
948 | cstr.buf = buf; |
---|
949 | cstr.len = Strlen(buf); |
---|
950 | AddXkey(&cstr, XmapCmd(fp->func), XK_CMD); |
---|
951 | } |
---|
952 | } |
---|
953 | return; |
---|
954 | } |
---|
955 | } |
---|
956 | stderror(ERR_NAME | ERR_STRING, CGETS(20, 37, "Invalid function")); |
---|
957 | } |
---|
958 | else if (v[1]) { |
---|
959 | char *cv = short2str(v[1]); |
---|
960 | |
---|
961 | if (strcmp(cv, "list") == 0) { |
---|
962 | for (fp = FuncNames; fp->name; fp++) { |
---|
963 | xprintf("%s\n", fp->name); |
---|
964 | } |
---|
965 | return; |
---|
966 | } |
---|
967 | if ((strcmp(cv, "emacs") == 0) || |
---|
968 | #ifndef VIDEFAULT |
---|
969 | (strcmp(cv, "defaults") == 0) || |
---|
970 | (strcmp(cv, "default") == 0) || |
---|
971 | #endif |
---|
972 | (strcmp(cv, "mg") == 0) || |
---|
973 | (strcmp(cv, "gnumacs") == 0)) { |
---|
974 | /* reset keys to default */ |
---|
975 | ed_InitEmacsMaps(); |
---|
976 | #ifdef VIDEFAULT |
---|
977 | } |
---|
978 | else if ((strcmp(cv, "vi") == 0) |
---|
979 | || (strcmp(cv, "default") == 0) |
---|
980 | || (strcmp(cv, "defaults") == 0)) { |
---|
981 | #else |
---|
982 | } |
---|
983 | else if (strcmp(cv, "vi") == 0) { |
---|
984 | #endif |
---|
985 | ed_InitVIMaps(); |
---|
986 | } |
---|
987 | else { /* want to know what this key does */ |
---|
988 | Char *s = v[1]; |
---|
989 | |
---|
990 | if ((c = parsekey(&s)) == -1) |
---|
991 | return; |
---|
992 | if (c == -2) { /* extended key */ |
---|
993 | cstr.buf = s; |
---|
994 | cstr.len = Strlen(s); |
---|
995 | PrintXkey(&cstr); |
---|
996 | return; |
---|
997 | } |
---|
998 | pkeys(c, c); /* must be regular key */ |
---|
999 | } |
---|
1000 | } |
---|
1001 | else { /* list all the bindings */ |
---|
1002 | prev = 0; |
---|
1003 | for (i = 0; i < 256; i++) { |
---|
1004 | if (CcKeyMap[prev] == CcKeyMap[i]) |
---|
1005 | continue; |
---|
1006 | pkeys(prev, i - 1); |
---|
1007 | prev = i; |
---|
1008 | } |
---|
1009 | pkeys(prev, i - 1); |
---|
1010 | prev = 0; |
---|
1011 | for (i = 256; i < 512; i++) { |
---|
1012 | if (CcAltMap[prev & APOLLO_0377] == CcAltMap[i & APOLLO_0377]) |
---|
1013 | continue; |
---|
1014 | pkeys(prev, i - 1); |
---|
1015 | prev = i; |
---|
1016 | } |
---|
1017 | pkeys(prev, i - 1); |
---|
1018 | cstr.buf = NULL; |
---|
1019 | cstr.len = 0; |
---|
1020 | PrintXkey(&cstr); /* print all Xkey bindings */ |
---|
1021 | } |
---|
1022 | return; |
---|
1023 | } |
---|
1024 | |
---|
1025 | static void |
---|
1026 | pkeys(first, last) |
---|
1027 | int first, last; |
---|
1028 | { |
---|
1029 | struct KeyFuncs *fp; |
---|
1030 | KEYCMD *map; |
---|
1031 | int mask; |
---|
1032 | char buf[8]; |
---|
1033 | |
---|
1034 | if (last & 0400) { |
---|
1035 | map = CcAltMap; |
---|
1036 | first &= APOLLO_0377; |
---|
1037 | last &= APOLLO_0377; |
---|
1038 | mask = 0400; |
---|
1039 | } |
---|
1040 | else { |
---|
1041 | map = CcKeyMap; |
---|
1042 | mask = 0; |
---|
1043 | } |
---|
1044 | if (map[first] == F_UNASSIGNED) { |
---|
1045 | if (first == last) |
---|
1046 | xprintf(CGETS(20, 38, " %s\t\tis undefined\n"), |
---|
1047 | unparsekey(first | mask)); |
---|
1048 | return; |
---|
1049 | } |
---|
1050 | |
---|
1051 | for (fp = FuncNames; fp->name; fp++) { |
---|
1052 | if (fp->func == map[first]) { |
---|
1053 | if (first == last) |
---|
1054 | xprintf(" %s\t\t%s\n", |
---|
1055 | unparsekey((first & APOLLO_0377) | mask), fp->name); |
---|
1056 | else { |
---|
1057 | (void) strcpy(buf, unparsekey((first & APOLLO_0377) | mask)); |
---|
1058 | xprintf(" %s..%s\t\t%s\n", buf, |
---|
1059 | unparsekey((last & APOLLO_0377) | mask), fp->name); |
---|
1060 | } |
---|
1061 | return; |
---|
1062 | } |
---|
1063 | } |
---|
1064 | if (map == CcKeyMap) { |
---|
1065 | xprintf(CGETS(20, 11, "BUG!!! %s isn't bound to anything.\n"), |
---|
1066 | unparsekey(first)); |
---|
1067 | xprintf("CcKeyMap[%d] == %d\n", first, CcKeyMap[first]); |
---|
1068 | } |
---|
1069 | else { |
---|
1070 | xprintf(CGETS(20, 11, "BUG!!! %s isn't bound to anything.\n"), |
---|
1071 | unparsekey(first & 0400)); |
---|
1072 | xprintf("CcAltMap[%d] == %d\n", first, CcAltMap[first]); |
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1073 | } |
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1074 | } |
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1075 | #endif /* OBSOLETE */ |
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