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7 | and $self->selection (map { y/A-Za-z/N-ZA-Mn-za-m/; $_ } $self->selection); |
7 | and $self->selection (map { y/A-Za-z/N-ZA-Mn-za-m/; $_ } $self->selection); |
8 | |
8 | |
9 | () |
9 | () |
10 | } |
10 | } |
11 | |
11 | |
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12 | sub on_init { |
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13 | my ($self) = @_; |
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14 | |
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15 | for (my $idx = 0; defined (my $res = $self->x_resource ("selection.pattern-$idx")); $idx++) { |
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16 | $res = $self->locale_decode ($res); |
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17 | utf8::encode $res; |
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18 | push @{ $self->{patterns} }, qr/$res/; |
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19 | } |
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20 | |
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21 | () |
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22 | } |
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23 | |
12 | # "find interetsing things"-patterns |
24 | # "find interesting things"-patterns |
13 | my @mark_patterns = ( |
25 | my @mark_patterns = ( |
14 | qr{([[:word:]]+)}, |
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15 | |
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16 | # common "parentheses" |
26 | # common types of "parentheses" |
17 | qr{(?:^|\s) ‘ ([^‘’]+?) ’ (?:\s|\)|$)}x, |
27 | qr{ (?<![^[:space:]]) ‘ ([^‘’]+) ’ (?![^[:space]]) }x, |
18 | qr{(?:^|\s) ` ([^`']+?) ' (?:\s|\)|$)}x, |
28 | qr{ (?<![^[:space:]]) ` ([^`']+) ' (?![^[:space]]) }x, |
19 | qr{ \{ ([^{}]+?) \} }x, |
29 | qr{ (?<![^[:space:]]) (" [^[:space:]] [^"]* ") }x, |
20 | qr{ \[ ([^{}]+?) \] }x, |
30 | qr{ (" [^"]* [^[:space:]] ") (?![^[:space]]) }x, |
21 | qr{ \( ([^()]+?) \) }x, |
31 | qr{ \< ([^<>[:space:]]+) \> }x, |
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32 | qr{ \{ ([^{}[:space:]]+) \} }x, |
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33 | qr{ \[ ([^{}[:space:]]+) \] }x, |
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34 | qr{ \( ([^()[:space:]]+) \) }x, |
22 | |
35 | |
23 | # urls, just a heuristic |
36 | # urls, just a heuristic |
24 | qr{( |
37 | qr{( |
25 | (?:https?|ftp|news|mailto|file)://[ab-zA-Z0-9\-\@;\/?:&=%\$_.+!*\x27(),~]+ |
38 | (?:https?|ftp|news|mailto|file)://[ab-zA-Z0-9\-\@;\/?:&=%\$_.+!*\x27(),~]+ |
26 | [ab-zA-Z0-9\-\@;\/?:&=%\$_+!*\x27()~] # exclude some trailing characters (heuristic) |
39 | [ab-zA-Z0-9\-\@;\/?:&=%\$_+!*\x27()~] # exclude some trailing characters (heuristic) |
27 | )}x, |
40 | )}x, |
28 | |
41 | |
29 | # shell-like argument quoting, basically always matches |
42 | # shell-like argument quoting, basically always matches |
30 | qr{\G [\ \t|&;<>()] *( |
43 | qr{\G [\ \t|&;<>()]* ( |
31 | (?: |
44 | (?: |
32 | [^\\"'\ \t|&;<>()]+ |
45 | [^\\"'\ \t|&;<>()]+ |
33 | | \\. |
46 | | \\. |
34 | | " (?: [^\\"]+ | \\. )* " |
47 | | " (?: [^\\"]+ | \\. )* " |
35 | | ' [^']* ' |
48 | | ' [^']* ' |
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53 | my $curlen = $line->offset_of ($self->selection_end) |
66 | my $curlen = $line->offset_of ($self->selection_end) |
54 | - $line->offset_of ($self->selection_beg); |
67 | - $line->offset_of ($self->selection_beg); |
55 | |
68 | |
56 | my @matches; |
69 | my @matches; |
57 | |
70 | |
58 | for my $regex (@mark_patterns) { |
71 | if ($markofs < $line->l) { |
59 | while ($text =~ /$regex/g) { |
72 | # convert markofs form character to UTF-8 offset space |
60 | if ($-[1] <= $markofs and $markofs <= $+[1]) { |
73 | { |
61 | my $ofs = $-[1]; |
74 | my $prefix = substr $text, 0, $markofs; |
62 | my $match = $1; |
75 | utf8::encode $prefix; |
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76 | $markofs = length $prefix; |
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77 | } |
63 | |
78 | |
64 | push @matches, [$ofs, length $match]; |
79 | # not doing matches in unicode mode helps speed |
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80 | # enourmously here. working in utf-8 should be |
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81 | # equivalent due to the magic of utf-8 encoding. |
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82 | utf8::encode $text; |
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83 | study $text; # _really_ helps, too :) |
65 | |
84 | |
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85 | for my $regex (@mark_patterns, @{ $self->{patterns} }) { |
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86 | while ($text =~ /$regex/g) { |
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87 | if ($-[1] <= $markofs and $markofs <= $+[1]) { |
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88 | my $ofs = $-[1]; |
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89 | my $match = $1; |
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90 | |
66 | for my $regex (@simplify_patterns) { |
91 | for my $regex (@simplify_patterns) { |
67 | if ($match =~ $regex) { |
92 | if ($match =~ $regex) { |
68 | $match = $1; |
93 | $match = $1; |
69 | $ofs += $-[1]; |
94 | $ofs += $-[1]; |
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95 | } |
70 | } |
96 | } |
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97 | |
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98 | push @matches, [$ofs, length $match]; |
71 | } |
99 | } |
72 | |
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73 | push @matches, [$ofs, length $match]; |
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74 | } |
100 | } |
75 | } |
101 | } |
76 | } |
102 | } |
77 | |
103 | |
78 | # whole line |
104 | # whole line |
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81 | for (sort { $a->[1] <=> $b->[1] or $b->[0] <=> $a->[0] } @matches) { |
107 | for (sort { $a->[1] <=> $b->[1] or $b->[0] <=> $a->[0] } @matches) { |
82 | my ($ofs, $len) = @$_; |
108 | my ($ofs, $len) = @$_; |
83 | |
109 | |
84 | next if $len <= $curlen; |
110 | next if $len <= $curlen; |
85 | |
111 | |
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112 | # convert back from UTF-8 offset space to character space |
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113 | { |
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114 | my $length = substr "$text ", $ofs, $len; |
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115 | utf8::decode $length; |
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116 | $len = length $length; |
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117 | } |
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118 | { |
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119 | my $prefix = substr $text, 0, $ofs; |
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120 | utf8::decode $prefix; |
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121 | $ofs = length $prefix; |
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122 | } |
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123 | |
86 | $self->selection_beg ($line->coord_of ($ofs)); |
124 | $self->selection_beg ($line->coord_of ($ofs)); |
87 | $self->selection_end ($line->coord_of ($ofs + $len)); |
125 | $self->selection_end ($line->coord_of ($ofs + $len)); |
88 | return 1; |
126 | return 1; |
89 | } |
127 | } |
90 | |
128 | |