summaryrefslogtreecommitdiff
path: root/macros/latex/contrib/eolang/eolang.pl
blob: 48ba53dc5b8342de728b00e5ed468dabf750fe51 (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
#!/usr/bin/perl
# (The MIT License)
#
# Copyright (c) 2022-2024 Yegor Bugayenko
#
# Permission is hereby granted, free of charge, to any person obtaining a copy
# of this software and associated documentation files (the 'Software'), to deal
# in the Software without restriction, including without limitation the rights
# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
# copies of the Software, and to permit persons to whom the Software is
# furnished to do so, subject to the following conditions:
#
# The above copyright notice and this permission notice shall be included in all
# copies or substantial portions of the Software.
#
# THE SOFTWARE IS PROVIDED 'AS IS', WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
# SOFTWARE.

# 2024-02-14 0.18.1
package eolang;

use warnings;
use strict;
use File::Basename;

# Hash of incoming command line arguments.
my %args = map { $_ => 1 } @ARGV;

# Read file content.
sub readfile {
  my ($path) = @_;
  open(my $h, '<', $path) or die('Cannot open file: ' . $path);
  my $content; { local $/; $content = <$h>; }
  return $content;
}

# Save content to file.
sub savefile {
  my ($path, $content) = @_;
  open(my $f, '>', $path) or error('Cannot open file for writing: ' . $path);
  print $f $content;
  close($f);
  my $size = -s $path;
  info("File saved to '$path' ($size bytes)");
}

# Print INFO message to the console.
sub info {
  my ($txt) = @_;
  print $txt . "\n";
}

# Print DEBUG message to the console.
sub debug {
  my ($txt) = @_;
  if (exists $args{'--verbose'}) {
    print $txt . "\n";
  }
}

# Print ERROR message to the console.
sub error {
  my ($txt) = @_;
  print STDERR $txt . "\n";
}

if (@ARGV+0 eq 0 or exists $args{'--help'} or exists $args{'-?'}) {
  info("This script helps embedding \\phiquation and \\phiq into .tex document\n\n" .
    "Usage:\n" .
    "  eolang [<options>] <.tex file path>\n\n" .
    "Options:\n" .
    "  -v, --version        Print the current version of the tool and exit\n" .
    "  -?, --help           Print this help screen\n" .
    "      --verbose        Print all possible debugging information\n" .
    "      --tmpdir=path    Temp directory with .tex files ('_eolang' by default)\n\n" .
    "If any issues, report to GitHub: https://github.com/yegor256/bibcop");
} elsif (exists $args{'--version'} or exists $args{'-v'}) {
  info('0.18.1 2024-02-14');
} else {
  my ($src, $target) = grep { not($_ =~ /^-.*$/) } @ARGV;
  if (not $src) {
    error('Source file name must be specified');
    exit(1);
  }
  debug('Source: ' . $src);
  my $job = basename($src);
  $job =~ s/\.[^.]+$//;
  debug('Job name: ' . $job);
  my $tex = readfile($src);
  my $tmpdir = dirname($src) . '/_eolang/' . $job;
  debug('EO tmpdir: ' . $tmpdir);
  foreach my $f (glob($tmpdir . '/*-phiq.tex')) {
    my $id = basename($f);
    $id =~ s/\.[^.]+$//;
    $id =~ s/-phiq$//;
    my $phiq = readfile($f);
    $phiq =~ s/^\s+|\s+$//g;
    my $search = quotemeta($phiq);
    $search =~ s/(\\\\[a-zA-Z]+)\\ /$1\\ ?/g;
    $search = '\\\\phiq\\s*\\{\\s*' . $search . '\\s*\\}|\\$\\s*' . $search . '\\s*\\$';
    my $re = '\input{' . $tmpdir . '/' . $id . '-phiq-post.tex' . "}";
    my $count = 0;
    while (1) {
      my $applied = $tex =~ s/${search}/${re}/g;
      if (!$applied) {
        if ($count eq 0) {
          debug("Neither \\phiq{$phiq} nor \$$phiq\$ found, suggested by $f");
        }
        last;
      }
      debug('\\phiq ' . $id . '( ' . $phiq . ' ) -> ' . $re);
      $count += 1;
    }
  }
  my @kinds = ('sodg', 'phiquation', 'phiquation*');
  for my $kind (@kinds) {
    my $k = $kind;
    $k =~ s/\*$//;
    foreach my $f (glob($tmpdir . '/*-' . $k . '.tex')) {
      my $id = basename($f);
      $id =~ s/\.[^.]+$//;
      $id =~ s/-${k}$//;
      my $search = quotemeta(readfile($f));
      $search = '\\\\begin\\s*\\{\\s*' . quotemeta($kind) . '\\s*\\}\\n' . $search . '\\\\end\\s*\\{\\s*' . quotemeta($kind) . '\\s*\\}\\n';
      my $re = '\input{' . $tmpdir . '/' . $id . '-' . $k . '-post.tex' . "}\% '$kind' replaced\n\n";
      my $count = 0;
      while (1) {
        my $applied = $tex =~ s/${search}/${re}/g;
        if (!$applied) {
          if ($count eq 0) {
            debug("Didn't find \\begin{$kind} suggested by $f");
          }
          last;
        }
        debug('\\begin{' . $kind . '} ' . $id . ' -> ' . $re);
        $count += 1;
      }
    }
  }
  if (not $target) {
    error('Target file name must be specified');
    exit(1);
  }
  debug('Target: ' . $target);
  savefile($target, $tex);
}

# In order to finish it with success:
1;