summaryrefslogtreecommitdiff
path: root/Master/tlpkg/etc/test-code-for-papersize-in-perl.pl
blob: f91cdd4630e6e07f04a798ae45c82c3954e88730 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281

$^W = 1;
use strict;


my %pdftex_papersize = (
  "letter" => [ '8.5 true in', '11 true in' ],
  "a4" => [ '210 true mm', '297 true mm' ],
);

my %xdvi_papersize;
$xdvi_papersize{'us'}='8.5x11';
$xdvi_papersize{'letter'}='8.5x11';
$xdvi_papersize{'usr'}='11x8.5';
$xdvi_papersize{'legal'}='8.5x14';
$xdvi_papersize{'ledger'}='17.0x11.0';
$xdvi_papersize{'tabloid'}= '11.0x17.0';
$xdvi_papersize{'foolscap'}='13.5x17.0';
$xdvi_papersize{'a1'}='59.4x84.0cm';
$xdvi_papersize{'a2'}='42.0x59.4cm';
$xdvi_papersize{'a3'}='29.7x42.0cm';
$xdvi_papersize{'a4'}='21.0x29.7cm';
$xdvi_papersize{'a5'}='14.85x21.0cm';
$xdvi_papersize{'a6'}='10.5x14.85cm';
$xdvi_papersize{'a7'}='7.42x10.5cm';
$xdvi_papersize{'a1r'}='84.0x59.4cm';
$xdvi_papersize{'a2r'}='59.4x42.0cm';
$xdvi_papersize{'a3r'}='42.0x29.7cm';
$xdvi_papersize{'a4r'}='29.7x21.0cm';
$xdvi_papersize{'a5r'}='21.0x14.85cm';
$xdvi_papersize{'a6r'}='14.85x10.5cm';
$xdvi_papersize{'a7r'}='10.5x7.42cm';
$xdvi_papersize{'b1'}='70.6x100.0cm';
$xdvi_papersize{'b2'}='50.0x70.6cm';
$xdvi_papersize{'b3'}='35.3x50.0cm';
$xdvi_papersize{'b4'}='25.0x35.3cm';
$xdvi_papersize{'b5'}='17.6x25.0cm';
$xdvi_papersize{'b6'}='13.5x17.6cm';
$xdvi_papersize{'b7'}='8.8x13.5cm';
$xdvi_papersize{'b1r'}='100.0x70.6cm';
$xdvi_papersize{'b2r'}='70.6x50.0cm';
$xdvi_papersize{'b3r'}='50.0x35.3cm';
$xdvi_papersize{'b4r'}='35.3x25.0cm';
$xdvi_papersize{'b5r'}='25.0x17.6cm';
$xdvi_papersize{'b6r'}='17.6x13.5cm';
$xdvi_papersize{'b7r'}='13.5x8.8cm';
$xdvi_papersize{'c1'}='64.8x91.6cm';
$xdvi_papersize{'c2'}='45.8x64.8cm';
$xdvi_papersize{'c3'}='32.4x45.8cm';
$xdvi_papersize{'c4'}='22.9x32.4cm';
$xdvi_papersize{'c5'}='16.2x22.9cm';
$xdvi_papersize{'c6'}='11.46x16.2cm';
$xdvi_papersize{'c7'}='8.1x11.46cm';
$xdvi_papersize{'c1r'}='91.6x64.8cm';
$xdvi_papersize{'c2r'}='64.8x45.8cm';
$xdvi_papersize{'c3r'}='45.8x32.4cm';
$xdvi_papersize{'c4r'}='32.4x22.9cm';
$xdvi_papersize{'c5r'}='22.9x16.2cm';
$xdvi_papersize{'c6r'}='16.2x11.46cm';
$xdvi_papersize{'c7r'}='11.46x8.1cm';

my %dvipdfm_papersize = ( 'letter' => 1, 'legal' => 1, 'ledger' => 1, 
                          'tabloid' => 1, 'a4' => 1, 'a3' => 1 );

my $texmfsysvar = `kpsewhich -var-value=TEXMFSYSVAR`; 
chomp($texmfsysvar);
my $texmfsysconfig = `kpsewhich -var-value=TEXMFSYSCONFIG`; 
chomp($texmfsysconfig);

# we are doing -sys variants
$ENV{"TEXMFVAR"} = $texmfsysvar;
$ENV{"TEXMFCONFIG"} = $texmfsysconfig;

my $what = shift;

if (!$what) {
  print "need an argument\n";
  exit 1;
}

# all subs do_* work the same way
# do_foobar --list
#    list all available sizes with the selected first
# do_foobar
#    informational string which paper has been selected
# doo_foobar <paper>
#    selects the given <paper>

if ($what eq "dvips") {
  do_dvips(@ARGV);
} elsif ($what eq "dvipdfm") {
  do_dvipdfm(@ARGV);
} elsif ($what eq "xdvi") {
  do_xdvi(@ARGV);
} else {
  print "Unknown what $what!\n";
  exit 1;
}
exit 0;

#
# dvips config.ps format:
# /--- config.ps ---
# |...
# |stuff not related to paper sizes
# |...
# | <empty line>
# |% some comments
# |% more comments
# |@ <NAME> <WIDTH> <HEIGHT>
# |@+ ...definition line
# |@+ ...definition line
# |... more definition lines
# |@+ %%EndPaperSize
# |
# |@ <NAME> <WIDTH> <HEIGHT>
# |...
# \------------
#
# the first paper definition is the default
# selecting paper is done like with texconfig which used ed to move the
# selected part between @ $selected_paper .... @ /-1 (the line before the
# next @ line) to the line before the first @  line.
# (what a tricky ed invocation te created there, impressive!!!)
#
# Reading is done via --progname=dvips --format='dvips config' config.ps
# Writing is done to TEXMFSYSCONFIG/dvips/config/config.ps
#
sub do_dvips {
  my $newpaper = shift;
  my $configps = `kpsewhich --progname=dvips --format='dvips config' config.ps`;
  chomp($configps);
  print "file used: $configps\n";

  open(FOO, "<$configps") or die("cannot open file: $!");
  my @lines = <FOO>;
  close(FOO);

  my @papersizes;
  my $firstpaperidx;
  my %startidx;
  my %endidx;
  my $in_block = "";
  my $idx = 0;
  for my $idx (0 .. $#lines) {
    if ($lines[$idx] =~ m/^@ (\w+)/) {
      $startidx{$1} = $idx;
      $firstpaperidx || ($firstpaperidx = $idx-1);
      $in_block = $1;
      push @papersizes, $1;
      next;
    }
    # empty lines or comments stop a block
    if ($in_block) {
      if ($lines[$idx] =~ m/^\s*(%.*)?\s*$/) {
        $endidx{$in_block} = $idx-1;
        $in_block = "";
      }
      next;
    }
  }

  #for my $p (@papersizes) {
  #  print "papersize $p from idx $startidx{$p} to $endidx{$p}\n";
  #}

  if (defined($newpaper)) {
    if ($newpaper eq "--list") {
      for my $p (@papersizes) {
        print "$p\n"; # first is already the selected one
      }
    } else {
      my $found = 0;
      for my $p (@papersizes) {
        if ($p eq $newpaper) {
          $found = 1;
          last;
        }
      }
      if ($found) {
        my @newlines;
        for my $idx (0..$#lines) {
          if ($idx < $firstpaperidx) {
            push @newlines, $lines[$idx];
            next;
          }
          if ($idx == $firstpaperidx) { 
            # insert the selected paper definition
            push @newlines, @lines[$startidx{$newpaper}..$endidx{$newpaper}];
            push @newlines, $lines[$idx];
            next;
          }
          if ($idx >= $startidx{$newpaper} && $idx <= $endidx{$newpaper}) {
            next;
          }
          push @newlines, $lines[$idx];
        }
        # output should go to $texmfsysconfig/dvips/config/config.ps TODO TODO
        for (@newlines) { print; }
      } else {
        warn "Not a valid paper size for dvips: $newpaper\n";
      }
    }
  } else {
    # just print the current value
    print "current dvips paper size: $papersizes[0]\n";
  }
}

#
# xdvi format:
# /--- XDvi ---
# |...
# |*paper: <NAME>
# |...
# \------------
#
# Reading is done via --progname=xdvi --format='other text files' XDvi
# Writing is done to TEXMFSYSCONFIG/xdvi/XDvi
#
sub do_xdvi {
  my $newpaper = shift;
  my $xdvi = `kpsewhich --progname=xdvi --format='other text files' XDvi`;
  chomp($xdvi);
  print "file used: $xdvi\n";

  open(FOO, "<$xdvi") or die("cannot open file: $!");
  my @lines = <FOO>;
  close(FOO);

  my $currentpaper;
  my @paperlines = grep (m/^\*paper: /,@lines);
  if (!@paperlines) {
    $currentpaper = "(undefined)";
  } else {
    if ($#paperlines > 0) {
      warn "Strange, more than one paper definiton, using the first one!\n";
    }
    $currentpaper = $paperlines[0];
    chomp($currentpaper);
    $currentpaper =~ s/^\*paper:\s+(\w+)\s*$/$1/;
  }

  # change value
  if (defined($newpaper)) {
    if ($newpaper eq "--list") {
      print "$currentpaper\n";
      for my $p (keys %xdvi_papersize) {
        print "$p\n" unless ($p eq $currentpaper);
      }
    } else {
      my $found = 0;
      for my $p (keys %xdvi_papersize) {
        if ($p eq $newpaper) {
          $found = 1;
          last;
        }
      }
      if ($found) {
        map { +s/^\*paper:\s+(\w+)\s*$/\*paper: $newpaper\n/; } @lines;
        # output should go to $texmfsysconfig/xdvi/XDvi TODO TODO
        for (@lines) { print; }
      } else {
        warn "Not a valid paper size for xdvi: $newpaper\n";
      }
    }
  } else {
    # just print the current value
    print "current xdvi paper size: $currentpaper\n";
  }
}




### Local Variables:
### perl-indent-level: 2
### tab-width: 2
### indent-tabs-mode: nil
### End:
# vim:set tabstop=2 expandtab: #