1 | ;# $RCSfile: termcap.pl,v $$Revision: 1.1.1.3 $$Date: 2000-04-07 20:41:31 $ |
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2 | # |
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3 | # This library is no longer being maintained, and is included for backward |
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4 | # compatibility with Perl 4 programs which may require it. |
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5 | # |
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6 | # In particular, this should not be used as an example of modern Perl |
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7 | # programming techniques. |
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8 | # |
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9 | # Suggested alternative: Term::Cap |
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10 | # |
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11 | ;# |
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12 | ;# Usage: |
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13 | ;# require 'ioctl.pl'; |
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14 | ;# ioctl(TTY,$TIOCGETP,$foo); |
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15 | ;# ($ispeed,$ospeed) = unpack('cc',$foo); |
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16 | ;# require 'termcap.pl'; |
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17 | ;# &Tgetent('vt100'); # sets $TC{'cm'}, etc. |
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18 | ;# &Tputs(&Tgoto($TC{'cm'},$col,$row), 0, 'FILEHANDLE'); |
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19 | ;# &Tputs($TC{'dl'},$affcnt,'FILEHANDLE'); |
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20 | ;# |
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21 | sub Tgetent { |
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22 | local($TERM) = @_; |
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23 | local($TERMCAP,$_,$entry,$loop,$field); |
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24 | |
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25 | warn "Tgetent: no ospeed set" unless $ospeed; |
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26 | foreach $key (keys %TC) { |
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27 | delete $TC{$key}; |
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28 | } |
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29 | $TERM = $ENV{'TERM'} unless $TERM; |
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30 | $TERM =~ s/(\W)/\\$1/g; |
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31 | $TERMCAP = $ENV{'TERMCAP'}; |
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32 | $TERMCAP = '/etc/termcap' unless $TERMCAP; |
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33 | if ($TERMCAP !~ m:^/:) { |
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34 | if ($TERMCAP !~ /(^|\|)$TERM[:\|]/) { |
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35 | $TERMCAP = '/etc/termcap'; |
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36 | } |
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37 | } |
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38 | if ($TERMCAP =~ m:^/:) { |
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39 | $entry = ''; |
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40 | do { |
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41 | $loop = " |
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42 | open(TERMCAP,'<$TERMCAP') || die \"Can't open $TERMCAP\"; |
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43 | while (<TERMCAP>) { |
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44 | next if /^#/; |
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45 | next if /^\t/; |
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46 | if (/(^|\\|)${TERM}[:\\|]/) { |
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47 | chop; |
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48 | while (chop eq '\\\\') { |
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49 | \$_ .= <TERMCAP>; |
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50 | chop; |
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51 | } |
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52 | \$_ .= ':'; |
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53 | last; |
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54 | } |
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55 | } |
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56 | close TERMCAP; |
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57 | \$entry .= \$_; |
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58 | "; |
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59 | eval $loop; |
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60 | } while s/:tc=([^:]+):/:/ && ($TERM = $1); |
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61 | $TERMCAP = $entry; |
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62 | } |
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63 | |
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64 | foreach $field (split(/:[\s:\\]*/,$TERMCAP)) { |
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65 | if ($field =~ /^\w\w$/) { |
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66 | $TC{$field} = 1; |
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67 | } |
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68 | elsif ($field =~ /^(\w\w)#(.*)/) { |
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69 | $TC{$1} = $2 if $TC{$1} eq ''; |
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70 | } |
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71 | elsif ($field =~ /^(\w\w)=(.*)/) { |
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72 | $entry = $1; |
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73 | $_ = $2; |
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74 | s/\\E/\033/g; |
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75 | s/\\(200)/pack('c',0)/eg; # NUL character |
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76 | s/\\(0\d\d)/pack('c',oct($1))/eg; # octal |
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77 | s/\\(0x[0-9A-Fa-f][0-9A-Fa-f])/pack('c',hex($1))/eg; # hex |
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78 | s/\\(\d\d\d)/pack('c',$1 & 0177)/eg; |
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79 | s/\\n/\n/g; |
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80 | s/\\r/\r/g; |
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81 | s/\\t/\t/g; |
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82 | s/\\b/\b/g; |
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83 | s/\\f/\f/g; |
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84 | s/\\\^/\377/g; |
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85 | s/\^\?/\177/g; |
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86 | s/\^(.)/pack('c',ord($1) & 31)/eg; |
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87 | s/\\(.)/$1/g; |
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88 | s/\377/^/g; |
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89 | $TC{$entry} = $_ if $TC{$entry} eq ''; |
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90 | } |
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91 | } |
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92 | $TC{'pc'} = "\0" if $TC{'pc'} eq ''; |
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93 | $TC{'bc'} = "\b" if $TC{'bc'} eq ''; |
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94 | } |
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95 | |
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96 | @Tputs = (0,200,133.3,90.9,74.3,66.7,50,33.3,16.7,8.3,5.5,4.1,2,1,.5,.2); |
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97 | |
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98 | sub Tputs { |
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99 | local($string,$affcnt,$FH) = @_; |
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100 | local($ms); |
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101 | if ($string =~ /(^[\d.]+)(\*?)(.*)$/) { |
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102 | $ms = $1; |
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103 | $ms *= $affcnt if $2; |
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104 | $string = $3; |
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105 | $decr = $Tputs[$ospeed]; |
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106 | if ($decr > .1) { |
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107 | $ms += $decr / 2; |
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108 | $string .= $TC{'pc'} x ($ms / $decr); |
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109 | } |
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110 | } |
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111 | print $FH $string if $FH; |
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112 | $string; |
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113 | } |
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114 | |
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115 | sub Tgoto { |
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116 | local($string) = shift(@_); |
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117 | local($result) = ''; |
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118 | local($after) = ''; |
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119 | local($code,$tmp) = @_; |
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120 | local(@tmp); |
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121 | @tmp = ($tmp,$code); |
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122 | local($online) = 0; |
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123 | while ($string =~ /^([^%]*)%(.)(.*)/) { |
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124 | $result .= $1; |
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125 | $code = $2; |
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126 | $string = $3; |
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127 | if ($code eq 'd') { |
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128 | $result .= sprintf("%d",shift(@tmp)); |
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129 | } |
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130 | elsif ($code eq '.') { |
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131 | $tmp = shift(@tmp); |
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132 | if ($tmp == 0 || $tmp == 4 || $tmp == 10) { |
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133 | if ($online) { |
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134 | ++$tmp, $after .= $TC{'up'} if $TC{'up'}; |
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135 | } |
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136 | else { |
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137 | ++$tmp, $after .= $TC{'bc'}; |
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138 | } |
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139 | } |
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140 | $result .= sprintf("%c",$tmp); |
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141 | $online = !$online; |
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142 | } |
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143 | elsif ($code eq '+') { |
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144 | $result .= sprintf("%c",shift(@tmp)+ord($string)); |
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145 | $string = substr($string,1,99); |
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146 | $online = !$online; |
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147 | } |
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148 | elsif ($code eq 'r') { |
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149 | ($code,$tmp) = @tmp; |
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150 | @tmp = ($tmp,$code); |
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151 | $online = !$online; |
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152 | } |
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153 | elsif ($code eq '>') { |
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154 | ($code,$tmp,$string) = unpack("CCa99",$string); |
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155 | if ($tmp[$[] > $code) { |
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156 | $tmp[$[] += $tmp; |
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157 | } |
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158 | } |
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159 | elsif ($code eq '2') { |
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160 | $result .= sprintf("%02d",shift(@tmp)); |
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161 | $online = !$online; |
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162 | } |
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163 | elsif ($code eq '3') { |
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164 | $result .= sprintf("%03d",shift(@tmp)); |
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165 | $online = !$online; |
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166 | } |
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167 | elsif ($code eq 'i') { |
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168 | ($code,$tmp) = @tmp; |
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169 | @tmp = ($code+1,$tmp+1); |
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170 | } |
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171 | else { |
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172 | return "OOPS"; |
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173 | } |
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174 | } |
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175 | $result . $string . $after; |
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176 | } |
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177 | |
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178 | 1; |
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