<html><head><meta name="color-scheme" content="light dark"></head><body><pre style="word-wrap: break-word; white-space: pre-wrap;">package DBI::ProfileSubs;

our $VERSION = "0.009396";

=head1 NAME

DBI::ProfileSubs - Subroutines for dynamic profile Path

=head1 SYNOPSIS

  DBI_PROFILE='&amp;norm_std_n3' prog.pl

This is new and still experimental.

=head1 TO DO

Define come kind of naming convention for the subs.

=cut

use strict;
use warnings;


# would be good to refactor these regex into separate subs and find some
# way to compose them in various combinations into multiple subs.
# Perhaps via AUTOLOAD where \&amp;auto_X_Y_Z creates a sub that does X, Y, and Z.
# The final subs always need to be very fast.
#

sub norm_std_n3 {
    # my ($h, $method_name) = @_;
    local $_ = $_;

    s/\b\d+\b/&lt;N&gt;/g;             # 42 -&gt; &lt;N&gt;
    s/\b0x[0-9A-Fa-f]+\b/&lt;N&gt;/g;  # 0xFE -&gt; &lt;N&gt;

    s/'.*?'/'&lt;S&gt;'/g;             # single quoted strings (doesn't handle escapes)
    s/".*?"/"&lt;S&gt;"/g;             # double quoted strings (doesn't handle escapes)

    # convert names like log20001231 into log&lt;N&gt;
    s/([a-z_]+)(\d{3,})\b/${1}&lt;N&gt;/ig;

    # abbreviate massive "in (...)" statements and similar
    s!((\s*&lt;[NS]&gt;\s*,\s*){100,})!sprintf("$2,&lt;repeated %d times&gt;",length($1)/2)!eg;

    return $_;
}

1;
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