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String-Formatter-0.102084/ 0000755 0000000 0000000 00000000000 12246723751 0015166 5 ustar 00root root 0000000 0000000 String-Formatter-0.102084/Changes 0000644 0000000 0000000 00000002525 12246723751 0016465 0 ustar 00root root 0000000 0000000 Revision history for String-Formatter
0.102084 2013-11-08 22:30:46 America/New_York
- typo fixes
- update repo and bugtracker links
0.102082 2010-10-19 14:34:34 America/New_York
add missing prereq for Test::More
0.102081 2010-10-17 13:40:26 America/New_York
allow subclasses to provide default_codes
implement %% in a simpler, but not quite perl-like, way
0.102080 2010-07-27 22:07:11 America/New_York
input hunkers have been tweaked and more fully documented
0.101620 2010-06-11 21:31:26 America/New_York
add indexed_replace, require_arrayref_input, and indexed_stringf
0.100720 2010-03-13 09:36:03 America/New_York
fix an ancillary file that brought in a bunch of bogus prereqs
0.100690 2010-03-10 21:09:36 America/New_York
fix a 5.10-ism that slipped in
0.100680 2010-03-09 20:54:11 America/New_York
bug fix: newlines no longer end formatting, but not allowed in braces
(thanks for bug report, Christopher J. Madsen)
0.093221 2009-11-18 08:13:22 America/New_York
remove stupidly left-in hardcoded version!
0.093220 2009-11-18 08:12:10 America/New_York
fix a problem with prereqs and tests
0.093210 2009-11-17
add the cookbook
add method importer
0.093200 2009-11-16
first release!
String-Formatter-0.102084/LICENSE 0000644 0000000 0000000 00000043520 12246723751 0016177 0 ustar 00root root 0000000 0000000 This software is Copyright (c) 2013 by Ricardo Signes <rjbs@cpan.org>.
This is free software, licensed under:
The GNU General Public License, Version 2, June 1991
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Version 2, June 1991
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String-Formatter-0.102084/MANIFEST 0000644 0000000 0000000 00000000427 12246723751 0016322 0 ustar 00root root 0000000 0000000 Changes
LICENSE
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META.yml
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README
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lib/String/Formatter.pm
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abstract: 'build sprintf-like functions of your own'
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class: Dist::Zilla::Plugin::CheckExtraTests
name: '@RJBS/CheckExtraTests'
version: 0.015
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class: Dist::Zilla::Plugin::PromptIfStale
name: '@RJBS/RJBS-Outdated'
version: 0.009
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class: Dist::Zilla::Plugin::PromptIfStale
name: '@RJBS/CPAN-Outdated'
version: 0.009
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class: Dist::Zilla::Plugin::PruneCruft
name: '@RJBS/@Filter/PruneCruft'
version: 5.006
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class: Dist::Zilla::Plugin::ManifestSkip
name: '@RJBS/@Filter/ManifestSkip'
version: 5.006
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class: Dist::Zilla::Plugin::MetaYAML
name: '@RJBS/@Filter/MetaYAML'
version: 5.006
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class: Dist::Zilla::Plugin::License
name: '@RJBS/@Filter/License'
version: 5.006
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class: Dist::Zilla::Plugin::Readme
name: '@RJBS/@Filter/Readme'
version: 5.006
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class: Dist::Zilla::Plugin::ExecDir
name: '@RJBS/@Filter/ExecDir'
version: 5.006
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name: '@RJBS/@Filter/ShareDir'
version: 5.006
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class: Dist::Zilla::Plugin::MakeMaker
name: '@RJBS/@Filter/MakeMaker'
version: 5.006
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name: '@RJBS/@Filter/Manifest'
version: 5.006
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class: Dist::Zilla::Plugin::TestRelease
name: '@RJBS/@Filter/TestRelease'
version: 5.006
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class: Dist::Zilla::Plugin::ConfirmRelease
name: '@RJBS/@Filter/ConfirmRelease'
version: 5.006
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class: Dist::Zilla::Plugin::UploadToCPAN
name: '@RJBS/@Filter/UploadToCPAN'
version: 5.006
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name: '@RJBS/AutoPrereqs'
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version: 2.017
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version: 1.10
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class: Dist::Zilla::Plugin::Prereqs
config:
Dist::Zilla::Plugin::Prereqs:
phase: test
type: requires
name: '@RJBS/TestMoreWithSubtests'
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config:
Dist::Zilla::Plugin::PodWeaver:
config_plugin: '@RJBS'
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String-Formatter-0.102084/Makefile.PL 0000644 0000000 0000000 00000002231 12246723751 0017136 0 ustar 00root root 0000000 0000000
use strict;
use warnings;
use 5.006;
use ExtUtils::MakeMaker 6.30;
my %WriteMakefileArgs = (
"ABSTRACT" => "build sprintf-like functions of your own",
"AUTHOR" => "Ricardo Signes <rjbs\@cpan.org>, Darren Chamberlain <darren\@cpan.org>",
"BUILD_REQUIRES" => {},
"CONFIGURE_REQUIRES" => {
"ExtUtils::MakeMaker" => "6.30"
},
"DISTNAME" => "String-Formatter",
"EXE_FILES" => [],
"LICENSE" => "gpl",
"NAME" => "String::Formatter",
"PREREQ_PM" => {
"Params::Util" => 0,
"Sub::Exporter" => 0,
"strict" => 0,
"warnings" => 0
},
"TEST_REQUIRES" => {
"Test::More" => "0.96"
},
"VERSION" => "0.102084",
"test" => {
"TESTS" => "t/*.t"
}
);
my %FallbackPrereqs = (
"Params::Util" => 0,
"Sub::Exporter" => 0,
"Test::More" => "0.96",
"strict" => 0,
"warnings" => 0
);
unless ( eval { ExtUtils::MakeMaker->VERSION(6.63_03) } ) {
delete $WriteMakefileArgs{TEST_REQUIRES};
delete $WriteMakefileArgs{BUILD_REQUIRES};
$WriteMakefileArgs{PREREQ_PM} = \%FallbackPrereqs;
}
delete $WriteMakefileArgs{CONFIGURE_REQUIRES}
unless eval { ExtUtils::MakeMaker->VERSION(6.52) };
WriteMakefile(%WriteMakefileArgs);
String-Formatter-0.102084/README 0000644 0000000 0000000 00000000443 12246723751 0016047 0 ustar 00root root 0000000 0000000
This archive contains the distribution String-Formatter,
version 0.102084:
build sprintf-like functions of your own
This software is Copyright (c) 2013 by Ricardo Signes <rjbs@cpan.org>.
This is free software, licensed under:
The GNU General Public License, Version 2, June 1991
String-Formatter-0.102084/bench.pl 0000644 0000000 0000000 00000001561 12246723751 0016605 0 ustar 00root root 0000000 0000000 #!perl -l
use strict;
use lib 'lib';
use String::Formatter;
# Ha ha ha. I am avoiding AutoPrereq from the following.
eval "
use Benchmark;
use Template;
use String::Format;
";
my $hash = {
a => 'apples',
b => 'bananas',
};
my $fmt = String::Formatter->new({
codes => $hash,
});
my $index_format = String::Format->stringfactory($hash);
my $tt2 = Template->new;
print $index_format->("I like to eat %a and %b.");
print $fmt->format("I like to eat %a and %b.");
$tt2->process(\'I like to eat [%a%] and [%b%].', $hash, \my $str);
print $str;
timethese(100_000, {
dlc => sub { $index_format->("I like to eat %a and %b.") },
rjbs => sub { $fmt->format("I like to eat %a and %b.") },
# tt2 => sub {
# $tt2->process(\'I like to eat [%a%] and [%b%].', $hash, \my $str);
# },
perl => sub { sprintf("I like to eat %s and %s.", qw(apples bananas)) },
});
String-Formatter-0.102084/dist.ini 0000644 0000000 0000000 00000000340 12246723751 0016627 0 ustar 00root root 0000000 0000000 name = String-Formatter
author = Ricardo Signes <rjbs@cpan.org>
author = Darren Chamberlain <darren@cpan.org>
license = GPL_2 ; inherited this from darren@cpan
copyright_holder = Ricardo Signes <rjbs@cpan.org>
[@RJBS]
String-Formatter-0.102084/lib/ 0000755 0000000 0000000 00000000000 12246723751 0015734 5 ustar 00root root 0000000 0000000 String-Formatter-0.102084/lib/String/ 0000755 0000000 0000000 00000000000 12246723751 0017202 5 ustar 00root root 0000000 0000000 String-Formatter-0.102084/lib/String/Formatter.pm 0000644 0000000 0000000 00000045736 12246723751 0021522 0 ustar 00root root 0000000 0000000 use strict;
use warnings;
package String::Formatter;
{
$String::Formatter::VERSION = '0.102084';
}
# ABSTRACT: build sprintf-like functions of your own
require 5.006;
use Params::Util ();
use Sub::Exporter -setup => {
exports => {
stringf => sub {
my ($class, $name, $arg, $col) = @_;
my $formatter = $class->new($arg);
return sub { $formatter->format(@_) };
},
method_stringf => sub {
my ($class, $name, $arg, $col) = @_;
my $formatter = $class->new({
input_processor => 'require_single_input',
string_replacer => 'method_replace',
%$arg,
});
return sub { $formatter->format(@_) };
},
named_stringf => sub {
my ($class, $name, $arg, $col) = @_;
my $formatter = $class->new({
input_processor => 'require_named_input',
string_replacer => 'named_replace',
%$arg,
});
return sub { $formatter->format(@_) };
},
indexed_stringf => sub {
my ($class, $name, $arg, $col) = @_;
my $formatter = $class->new({
input_processor => 'require_arrayref_input',
string_replacer => 'indexed_replace',
%$arg,
});
return sub { $formatter->format(@_) };
},
},
};
my %METHODS;
BEGIN {
%METHODS = (
format_hunker => 'hunk_simply',
input_processor => 'return_input',
string_replacer => 'positional_replace',
hunk_formatter => 'format_simply',
);
no strict 'refs';
for my $method (keys %METHODS) {
*$method = sub { $_[0]->{ $method } };
my $default = "default_$method";
*$default = sub { $METHODS{ $method } };
}
}
sub default_codes {
return {};
}
sub new {
my ($class, $arg) = @_;
my $_codes = {
%{ $class->default_codes },
%{ $arg->{codes} || {} },
};
my $self = bless { codes => $_codes } => $class;
for (keys %METHODS) {
$self->{ $_ } = $arg->{ $_ } || do {
my $default_method = "default_$_";
$class->$default_method;
};
$self->{$_} = $self->can($self->{$_}) unless ref $self->{$_};
}
my $codes = $self->codes;
return $self;
}
sub codes { $_[0]->{codes} }
sub format {
my $self = shift;
my $format = shift;
Carp::croak("not enough arguments for stringf-based format")
unless defined $format;
my $hunker = $self->format_hunker;
my $hunks = $self->$hunker($format);
my $processor = $self->input_processor;
my $input = $self->$processor([ @_ ]);
my $replacer = $self->string_replacer;
$self->$replacer($hunks, $input);
my $formatter = $self->hunk_formatter;
ref($_) and $_ = $self->$formatter($_) for @$hunks;
my $string = join q{}, @$hunks;
return $string;
}
my $regex = qr/
(% # leading '%'
(-)? # left-align, rather than right
([0-9]+)? # (optional) minimum field width
(?:\.([0-9]*))? # (optional) maximum field width
(?:{(.*?)})? # (optional) stuff inside
(\S) # actual format character
)
/x;
sub hunk_simply {
my ($self, $string) = @_;
my @to_fmt;
my $pos = 0;
while ($string =~ m{\G(.*?)$regex}gs) {
push @to_fmt, $1, {
alignment => $3,
min_width => $4,
max_width => $5,
literal => $2,
argument => $6,
conversion => $7,
};
$to_fmt[-1] = '%' if $to_fmt[-1]{literal} eq '%%';
$pos = pos $string;
}
push @to_fmt, substr $string, $pos if $pos < length $string;
return \@to_fmt;
}
sub return_input {
return $_[1];
}
sub require_named_input {
my ($self, $args) = @_;
Carp::croak("routine must be called with exactly one hashref arg")
if @$args != 1 or ! Params::Util::_HASHLIKE($args->[0]);
return $args->[0];
}
sub require_arrayref_input {
my ($self, $args) = @_;
Carp::croak("routine must be called with exactly one arrayref arg")
if @$args != 1 or ! Params::Util::_ARRAYLIKE($args->[0]);
return $args->[0];
}
sub require_single_input {
my ($self, $args) = @_;
Carp::croak("routine must be called with exactly one argument after string")
if @$args != 1;
return $args->[0];
}
sub forbid_input {
my ($self, $args) = @_;
Carp::croak("routine must be called with no arguments after format string")
if @$args;
return $args;
}
sub __closure_replace {
my ($closure) = @_;
return sub {
my ($self, $hunks, $input) = @_;
my $heap = {};
my $code = $self->codes;
for my $i (grep { ref $hunks->[$_] } 0 .. $#$hunks) {
my $hunk = $hunks->[ $i ];
my $conv = $code->{ $hunk->{conversion} };
Carp::croak("Unknown conversion in stringf: $hunk->{conversion}")
unless defined $conv;
if (ref $conv) {
$hunks->[ $i ]->{replacement} = $self->$closure({
conv => $conv,
hunk => $hunk,
heap => $heap,
input => $input,
});
} else {
$hunks->[ $i ]->{replacement} = $conv;
}
}
};
}
# $self->$string_replacer($hunks, $input);
BEGIN {
*positional_replace = __closure_replace(sub {
my ($self, $arg) = @_;
local $_ = $arg->{input}->[ $arg->{heap}{nth}++ ];
return $arg->{conv}->($self, $_, $arg->{hunk}{argument});
});
*named_replace = __closure_replace(sub {
my ($self, $arg) = @_;
local $_ = $arg->{input}->{ $arg->{hunk}{argument} };
return $arg->{conv}->($self, $_, $arg->{hunk}{argument});
});
*indexed_replace = __closure_replace(sub {
my ($self, $arg) = @_;
local $_ = $arg->{input}->[ $arg->{hunk}{argument} ];
return $arg->{conv}->($self, $_, $arg->{hunk}{argument});
});
}
# should totally be rewritten with commonality with keyed_replace factored out
sub method_replace {
my ($self, $hunks, $input) = @_;
my $heap = {};
my $code = $self->codes;
for my $i (grep { ref $hunks->[$_] } 0 .. $#$hunks) {
my $hunk = $hunks->[ $i ];
my $conv = $code->{ $hunk->{conversion} };
Carp::croak("Unknown conversion in stringf: $hunk->{conversion}")
unless defined $conv;
if (ref $conv) {
local $_ = $input;
$hunks->[ $i ]->{replacement} = $input->$conv($hunk->{argument});
} else {
local $_ = $input;
$hunks->[ $i ]->{replacement} = $input->$conv(
defined $hunk->{argument} ? $hunk->{argument} : ()
);
}
}
}
# should totally be rewritten with commonality with method_replace factored out
sub keyed_replace {
my ($self, $hunks, $input) = @_;
my $heap = {};
my $code = $self->codes;
for my $i (grep { ref $hunks->[$_] } 0 .. $#$hunks) {
my $hunk = $hunks->[ $i ];
my $conv = $code->{ $hunk->{conversion} };
Carp::croak("Unknown conversion in stringf: $hunk->{conversion}")
unless defined $conv;
if (ref $conv) {
local $_ = $input;
$hunks->[ $i ]->{replacement} = $input->$conv($hunk->{argument});
} else {
local $_ = $input;
$hunks->[ $i ]->{replacement} = $input->{$conv};
}
}
}
sub format_simply {
my ($self, $hunk) = @_;
my $replacement = $hunk->{replacement};
my $replength = length $replacement;
my $alignment = $hunk->{alignment} || '';
my $min_width = $hunk->{min_width} || 0;
my $max_width = $hunk->{max_width} || $replength;
$min_width ||= $replength > $min_width ? $min_width : $replength;
$max_width ||= $max_width > $replength ? $max_width : $replength;
return sprintf "%$alignment${min_width}.${max_width}s", $replacement;
}
1;
__END__
=pod
=head1 NAME
String::Formatter - build sprintf-like functions of your own
=head1 VERSION
version 0.102084
=head1 SYNOPSIS
use String::Formatter stringf => {
-as => 'str_rf',
codes => {
f => sub { $_ },
b => sub { scalar reverse $_ },
o => 'Okay?',
},
};
print str_rf('This is %10f and this is %-15b, %o', 'forward', 'backward');
...prints...
This is forward and this is drawkcab , okay?
=head1 DESCRIPTION
String::Formatter is a tool for building sprintf-like formatting routines.
It supports named or positional formatting, custom conversions, fixed string
interpolation, and simple width-matching out of the box. It is easy to alter
its behavior to write new kinds of format string expanders. For most cases, it
should be easy to build all sorts of formatters out of the options built into
String::Formatter.
Normally, String::Formatter will be used to import a sprintf-like routine
referred to as "C<stringf>", but which can be given any name you like. This
routine acts like sprintf in that it takes a string and some inputs and returns
a new string:
my $output = stringf "Some %a format %s for you to %u.\n", { ... };
This routine is actually a wrapper around a String::Formatter object created by
importing stringf. In the following code, the entire hashref after "stringf"
is passed to String::Formatter's constructor (the C<new> method), save for the
C<-as> key and any other keys that start with a dash.
use String::Formatter
stringf => {
-as => 'fmt_time',
codes => { ... },
format_hunker => ...,
input_processor => ...,
},
stringf => {
-as => 'fmt_date',
codes => { ... },
string_replacer => ...,
hunk_formatter => ...,
},
;
As you can see, this will generate two stringf routines, with different
behaviors, which are installed with different names. Since the behavior of
these routines is based on the C<format> method of a String::Formatter object,
the rest of the documentation will describe the way the object behaves.
There's also a C<named_stringf> export, which behaves just like the C<stringf>
export, but defaults to the C<named_replace> and C<require_named_input>
arguments. There's a C<method_stringf> export, which defaults
C<method_replace> and C<require_single_input>. Finally, a C<indexed_stringf>,
which defaults to C<indexed_replaced> and C<require_arrayref_input>. For more
on these, keep reading, and check out the cookbook.
L<String::Formatter::Cookbook> provides a number of recipes for ways to put
String::Formatter to use.
=head1 METHODS
=head2 new
=head2 format
my $result = $formatter->format( $format_string, @input );
print $formatter->format("My %h is full of %e.\n", 'hovercraft', 'eels');
This does the actual formatting, calling the methods described above, under
C<L</new>> and returning the result.
=head2 format_hunker
Format hunkers are passed strings and return arrayrefs containing strings (for
fixed content) and hashrefs (for formatting code sections).
The hashref hunks should contain at least two entries: C<conversion> for the
conversion code (the s, d, or u in %s, %d, or %u); and C<literal> for the
complete original text of the hunk. For example, a bare minimum hunker should
turn the following:
I would like to buy %d %s today.
...into...
[
'I would like to buy ',
{ conversion => 'd', literal => '%d' },
' ',
{ conversion => 's', literal => '%d' },
' today.',
]
Another common entry is C<argument>. In the format strings expected by
C<hunk_simply>, for example, these are free strings inside of curly braces.
These are used extensively other existing helpers for things liked accessing
named arguments or providing method names.
=head2 hunk_simply
This is the default format hunker. It implements the format string semantics
L<described above|/FORMAT STRINGS>.
This hunker will produce C<argument> and C<conversion> and C<literal>. Its
other entries are not yet well-defined for public consumption.
=head2 input_processor
The input processor is responsible for inspecting the post-format-string
arguments, validating them, and returning them in a possibly-transformed form.
The processor is passed an arrayref containing the arguments and should return
a scalar value to be used as the input going forward.
=head2 return_input
This input processor, the default, simply returns the input it was given with
no validation or transformation.
=head2 require_named_input
This input processor will raise an exception unless there is exactly one
post-format-string argument to the format call, and unless that argument is a
hashref. It will also replace the arrayref with the given hashref so
subsequent phases of the format can avoid lots of needless array dereferencing.
=head2 require_arrayref_input
This input processor will raise an exception unless there is exactly one
post-format-string argument to the format call, and unless that argument is a
arrayref. It will also replace the input with that single arrayref it found so
subsequent phases of the format can avoid lots of needless array dereferencing.
=head2 require_single_input
This input processor will raise an exception if more than one input is given.
After input processing, the single element in the input will be used as the
input itself.
=head2 forbid_input
This input processor will raise an exception if any input is given. In other
words, formatters with this input processor accept format strings and nothing
else.
=head2 string_replacer
The string_replacer phase is responsible for adding a C<replacement> entry to
format code hunks. This should be a string-value entry that will be formatted
and concatenated into the output string. String replacers can also replace the
whole hunk with a string to avoid any subsequent formatting.
=head2 positional_replace
This replacer matches inputs to the hunk's position in the format string. This
is the default replacer, used in the L<synopsis, above|/SYNOPSIS>, which should
make its behavior clear. At present, fixed-string conversions B<do not> affect
the position of arg matched, meaning that given the following:
my $formatter = String::Formatter->new({
codes => {
f => 'fixed string',
s => sub { ... },
}
});
$formatter->format("%s %f %s", 1, 2);
The subroutine is called twice, once for the input C<1> and once for the input
C<2>. B<This behavior may change> after some more experimental use.
=head2 named_replace
This replacer should be used with the C<require_named_input> input processor.
It expects the input to be a hashref and it finds values to be interpolated by
looking in the hashref for the brace-enclosed name on each format code. Here's
an example use:
$formatter->format("This was the %{adj}s day in %{num}d weeks.", {
adj => 'best',
num => 6,
});
=head2 indexed_replace
This replacer should be used with the C<require_arrayref_input> input
processor. It expects the input to be an arrayref and it finds values to be
interpolated by looking in the arrayref for the brace-enclosed index on each
format code. Here's an example use:
$formatter->format("This was the %{1}s day in %{0}d weeks.", [ 6, 'best' ]);
=head2 method_replace
This string replacer method expects the input to be a single value on which
methods can be called. If a value was given in braces to the format code, it
is passed as an argument.
=head2 keyed_replace
This string replacer method expects the input to be a single hashref. Coderef
code values are used as callbacks, but strings are used as hash keys. If a
value was given in braces to the format code, it is ignored.
For example if the codes contain C<< i => 'ident' >> then C<%i> in the format
string will be replaced with C<< $input->{ident} >> in the output.
=head2 hunk_formatter
The hunk_formatter processes each the hashref hunks left after string
replacement and returns a string. When it is called, it is passed a hunk
hashref and must return a string.
=head2 format_simply
This is the default hunk formatter. It deals with minimum and maximum width
cues as well as left and right alignment. Beyond that, it does no formatting
of the replacement string.
=head1 FORMAT STRINGS
Format strings are generally assumed to look like Perl's sprintf's format
strings:
There's a bunch of normal strings and then %s format %1.4c with %% signs.
The exact semantics of the format codes are not totally settled yet -- and they
can be replaced on a per-formatter basis. Right now, they're mostly a subset
of Perl's astonishingly large and complex system. That subset looks like this:
% - a percent sign to begin the format
... - (optional) various modifiers to the format like "-5" or "#" or "2$"
{..} - (optional) a string inside braces
s - a short string (usually one character) identifying the conversion
Not all format modifiers found in Perl's C<sprintf> are yet supported.
Currently the only format modifiers must match:
(-)? # left-align, rather than right
(\d*)? # (optional) minimum field width
(?:\.(\d*))? # (optional) maximum field width
Some additional format semantics may be added, but probably nothing exotic.
Even things like C<2$> and C<*> are probably not going to appear in
String::Formatter's default behavior.
Another subtle difference, introduced intentionally, is in the handling of
C<%%>. With the default String::Formatter behavior, string C<%%> is not
interpreted as a formatting code. This is different from the behavior of
Perl's C<sprintf>, which interprets it as a special formatting character that
doesn't consume input and always acts like the fixed string C<%>. The upshot
of this is:
sprintf "%%"; # ==> returns "%"
stringf "%%"; # ==> returns "%%"
sprintf "%10%"; # ==> returns " %"
stringf "%10%"; # ==> dies: unknown format code %
=for Pod::Coverage codes
default_format_hunker
default_input_processor
default_string_replacer
default_hunk_formatter
my $formatter = String::Formatter->new({
codes => { ... },
format_hunker => ...,
input_processor => ...,
string_replacer => ...,
hunk_formatter => ...,
});
This returns a new formatter. The C<codes> argument contains the formatting
codes for the formatter in the form:
codes => {
s => 'fixed string',
S => 'different string',
c => sub { ... },
}
Code values (or "conversions") should either be strings or coderefs. This
hashref can be accessed later with the C<codes> method.
The other four arguments change how the formatting occurs. Formatting happens
in five phases:
=over 4
=item 1
format_hunker - format string is broken down into fixed and %-code hunks
=item 2
input_processor - the other inputs are validated and processed
=item 3
string_replacer - replacement strings are generated by using conversions
=item 4
hunk_formatter - replacement strings in hunks are formatted
=item 5
all hunks, now strings, are recombined; this phase is just C<join>
=back
The defaults are found by calling C<default_WHATEVER> for each helper that
isn't given. Values must be either strings (which are interpreted as method
names) or coderefs. The semantics for each method are described in the
methods' sections, below.
=head1 HISTORY
String::Formatter is based on L<String::Format|String::Format>, written by
Darren Chamberlain. For a history of the code, check the project's source code
repository. All bugs should be reported to Ricardo Signes and
String::Formatter. Very little of the original code remains.
=head1 AUTHORS
=over 4
=item *
Ricardo Signes <rjbs@cpan.org>
=item *
Darren Chamberlain <darren@cpan.org>
=back
=head1 COPYRIGHT AND LICENSE
This software is Copyright (c) 2013 by Ricardo Signes <rjbs@cpan.org>.
This is free software, licensed under:
The GNU General Public License, Version 2, June 1991
=cut
String-Formatter-0.102084/lib/String/Formatter/ 0000755 0000000 0000000 00000000000 12246723751 0021145 5 ustar 00root root 0000000 0000000 String-Formatter-0.102084/lib/String/Formatter/Cookbook.pm 0000644 0000000 0000000 00000011050 12246723751 0023246 0 ustar 00root root 0000000 0000000 use strict;
use warnings;
package String::Formatter::Cookbook;
{
$String::Formatter::Cookbook::VERSION = '0.102084';
}
# ABSTRACT: ways to put String::Formatter to use
1;
__END__
=pod
=head1 NAME
String::Formatter::Cookbook - ways to put String::Formatter to use
=head1 VERSION
version 0.102084
=head1 OVERVIEW
String::Formatter is a pretty simple system for building formatting routines,
but it can be hard to get started without an idea of the sort of things that
are possible.
=encoding utf-8
=head1 BASIC RECIPES
=head2 constants only
The simplest stringf interface you can provide is one that just formats
constant strings, allowing the user to put them inside other fixed strings with
alignment:
use String::Formatter stringf => {
input_processor => 'forbid_input',
codes => {
a => 'apples',
b => 'bananas',
w => 'watermelon',
},
};
print stringf('I eat %a and %b but never %w.');
# Output:
# I eat apples and bananas but never watermelon.
If the user tries to parameterize the string by passing arguments after the
format string, an exception will be raised.
=head2 sprintf-like conversions
Another common pattern is to create a routine that behaves like Perl's
C<sprintf>, but with a different set of conversion routines. (It will also
almost certainly have much simpler semantics than Perl's wildly complex
behavior.)
use String::Formatter stringf => {
codes => {
s => sub { $_ }, # string itself
l => sub { length }, # length of input string
e => sub { /[^\x00-\x7F]/ ? '8bit' : '7bit' }, # ascii-safeness
},
};
print stringf(
"My name is %s. I am about %l feet tall. I use an %e alphabet.\n",
'Ricardo',
'ffffff',
'abcchdefghijklllmnñopqrrrstuvwxyz',
);
# Output:
# My name is Ricardo. I am about 6 feet tall. I use an 8bit alphabet.
B<Warning>: The behavior of positional string replacement when the conversion
codes mix constant strings and code references is currently poorly nailed-down.
Do not rely on it yet.
=head2 named conversions
This recipe acts a bit like Python's format operator when given a dictionary.
Rather than matching format code position with input ordering, inputs can be
chosen by name.
use String::Formatter stringf => {
input_processor => 'require_named_input',
string_replacer => 'named_replace',
codes => {
s => sub { $_ }, # string itself
l => sub { length }, # length of input string
e => sub { /[^\x00-\x7F]/ ? '8bit' : '7bit' }, # ascii-safeness
},
};
print stringf(
"My %{which}s name is %{name}s. My name is %{name}l letters long.",
{
which => 'first',
name => 'Marvin',
},
);
# Output:
# My first name is Marvin. My name is 6 letters long.
Because this is a useful recipe, there is a shorthand for it:
use String::Formatter named_stringf => {
codes => {
s => sub { $_ }, # string itself
l => sub { length }, # length of input string
e => sub { /[^\x00-\x7F]/ ? '8bit' : '7bit' }, # ascii-safeness
},
};
=head2 method calls
Some objects provide methods to stringify them flexibly. For example, many
objects that represent timestamps allow you to call C<strftime> or something
similar. The C<method_replace> string replacer comes in handy here:
use String::Formatter stringf => {
input_processor => 'require_single_input',
string_replacer => 'method_replace',
codes => {
f => 'strftime',
c => 'format_cldr',
s => sub { "$_[0]" },
},
};
print stringf(
"%{%Y-%m-%d}f is also %{yyyy-MM-dd}c. Default string is %s.",
DateTime->now,
);
# Output:
# 2009-11-17 is also 2009-11-17. Default string is 2009-11-17T15:35:11.
This recipe is available as the export C<method_stringf>:
use String::Formatter method_stringf => {
codes => {
f => 'strftime',
c => 'format_cldr',
s => sub { "$_[0]" },
},
};
You can easily use this to implement an actual stringf-like method:
package MyClass;
use String::Formatter method_stringf => {
-as => '_stringf',
codes => {
f => 'strftime',
c => 'format_cldr',
s => sub { "$_[0]" },
},
};
sub format {
my ($self, $format) = @_;
return _stringf($format, $self);
}
=head1 AUTHORS
=over 4
=item *
Ricardo Signes <rjbs@cpan.org>
=item *
Darren Chamberlain <darren@cpan.org>
=back
=head1 COPYRIGHT AND LICENSE
This software is Copyright (c) 2013 by Ricardo Signes <rjbs@cpan.org>.
This is free software, licensed under:
The GNU General Public License, Version 2, June 1991
=cut
String-Formatter-0.102084/t/ 0000755 0000000 0000000 00000000000 12246723751 0015431 5 ustar 00root root 0000000 0000000 String-Formatter-0.102084/t/000-report-versions-tiny.t 0000644 0000000 0000000 00000004167 12246723751 0022265 0 ustar 00root root 0000000 0000000 use strict;
use warnings;
use Test::More 0.88;
# This is a relatively nice way to avoid Test::NoWarnings breaking our
# expectations by adding extra tests, without using no_plan. It also helps
# avoid any other test module that feels introducing random tests, or even
# test plans, is a nice idea.
our $success = 0;
END { $success && done_testing; }
# List our own version used to generate this
my $v = "\nGenerated by Dist::Zilla::Plugin::ReportVersions::Tiny v1.10\n";
eval { # no excuses!
# report our Perl details
my $want = '5.006';
$v .= "perl: $] (wanted $want) on $^O from $^X\n\n";
};
defined($@) and diag("$@");
# Now, our module version dependencies:
sub pmver {
my ($module, $wanted) = @_;
$wanted = " (want $wanted)";
my $pmver;
eval "require $module;";
if ($@) {
if ($@ =~ m/Can't locate .* in \@INC/) {
$pmver = 'module not found.';
} else {
diag("${module}: $@");
$pmver = 'died during require.';
}
} else {
my $version;
eval { $version = $module->VERSION; };
if ($@) {
diag("${module}: $@");
$pmver = 'died during VERSION check.';
} elsif (defined $version) {
$pmver = "$version";
} else {
$pmver = '<undef>';
}
}
# So, we should be good, right?
return sprintf('%-45s => %-10s%-15s%s', $module, $pmver, $wanted, "\n");
}
eval { $v .= pmver('ExtUtils::MakeMaker','6.30') };
eval { $v .= pmver('Params::Util','any version') };
eval { $v .= pmver('Sub::Exporter','any version') };
eval { $v .= pmver('Test::More','0.96') };
eval { $v .= pmver('strict','any version') };
eval { $v .= pmver('warnings','any version') };
# All done.
$v .= <<'EOT';
Thanks for using my code. I hope it works for you.
If not, please try and include this output in the bug report.
That will help me reproduce the issue and solve your problem.
EOT
diag($v);
ok(1, "we really didn't test anything, just reporting data");
$success = 1;
# Work around another nasty module on CPAN. :/
no warnings 'once';
$Template::Test::NO_FLUSH = 1;
exit 0;
String-Formatter-0.102084/t/basic.t 0000644 0000000 0000000 00000004667 12246723751 0016714 0 ustar 00root root 0000000 0000000 #!perl
use strict;
use Test::More tests => 12;
use String::Formatter;
my $fmt = String::Formatter->new({
codes => {
a => "apples",
b => "bananas",
g => "grapefruits",
m => "melons",
w => "watermelons",
'*' => 'brussel sprouts',
},
});
{
my $have = $fmt->format(qq(please have some %w\n));
my $want = "please have some watermelons\n";
is($have, $want, "formatting with no text after last code");
}
{
my $have = $fmt->format(qq(w: %w\nb: %b\n));
my $want = "w: watermelons\nb: bananas\n";
is($have, $want, "format with multiple newlines");
}
{
my $have = $fmt->format(q(10%% discount on %w));
my $want = '10% discount on watermelons';
is($have, $want, "%% -> %");
}
{
my $have = $fmt->format(q(I like %a, %b, and %g, but not %m or %w.));
my $want = 'I like apples, bananas, and grapefruits, '
. 'but not melons or watermelons.';
is($have, $want, "formatting with text after last code");
}
{
my $have = $fmt->format(q(This has no stuff.));
my $want = 'This has no stuff.';
is($have, $want, "formatting with no %codes");
}
{
my $ok = eval { $fmt->format(q(What is %z for?)); 1 };
my $error = $@;
like($error, qr/Unknown conversion/i, 'unknown conversions are fatal');
}
{
my $have = $fmt->format("We have %.5w.");
my $want = "We have water.";
is($have, $want, "truncate at max_chars");
}
{
my $have = $fmt->format("We have %10a.");
my $want = "We have apples.";
is($have, $want, "left-pad to reach min_chars");
}
{
my $have = $fmt->format("We have %10.a.");
my $want = "We have apples.";
is($have, $want, "left-pad to reach min_chars (with dot)");
}
{
my $have = $fmt->format("We have %-10a.");
my $want = "We have apples .";
is($have, $want, "right-pad to reach min_chars (-10)");
}
{
my $have = $fmt->format('Please do not mention the %*.');
my $want = 'Please do not mention the brussel sprouts.';
is($have, $want, "non-identifier format characters");
}
{
my $fmt = String::Formatter->new({
input_processor => 'require_single_input',
string_replacer => 'keyed_replace',
codes => {
g => 'groan',
r => 'request',
},
});
{
my $zombie = {
groan => 'nnnnngh',
request => "Send... more...brainz...",
};
my $have = $fmt->format(q(%g... zombie says: %r), $zombie);
my $want = "nnnnngh... zombie says: Send... more...brainz...";
is($have, $want, "keyed_replace GOOD. fire BAD");
}
}
String-Formatter-0.102084/t/braces.t 0000644 0000000 0000000 00000000536 12246723751 0017061 0 ustar 00root root 0000000 0000000 #!perl
use strict;
use warnings;
use Test::More tests => 1;
use String::Formatter;
my $formatter = String::Formatter->new({
codes => { s => sub { return $_[2] } }
});
my $unknown_fmt = "We know that %{nested {braces} rule}s.";
is(
$formatter->format($unknown_fmt),
"We know that nested {braces} rule.",
"we allow braces inside braces",
);
String-Formatter-0.102084/t/method.t 0000644 0000000 0000000 00000002054 12246723751 0017077 0 ustar 00root root 0000000 0000000 #!perl
use strict;
use Test::More tests => 2;
use String::Formatter;
{
package Zombie;
sub new { bless {} }
sub groan { 'nnnnngh' }
sub request { "Send... more... $_[1]!" }
}
{
my $fmt = String::Formatter->new({
input_processor => 'require_single_input',
string_replacer => 'method_replace',
codes => {
g => 'groan',
r => 'request',
i => sub { 0 + $_[0] },
},
});
{
my $zombie = Zombie->new;
my $have = $fmt->format(q(%g... zombie number %i say: %{cops}r), $zombie);
my $zid = 0 + $zombie;
my $want = "nnnnngh... zombie number $zid say: Send... more... cops!";
is($have, $want, "method_replace GOOD. fire BAD");
}
}
{
my $coderef = String::Formatter->new({
input_processor => 'require_single_input',
string_replacer => 'method_replace',
codes => {
f => sub { $_->{foo} },
r => sub { $_->{bar} },
},
});
is(
$coderef->format('%f => %r', { foo => 'FOO', bar => 'BAR' }),
'FOO => BAR',
'topicalized method replace',
)
}
String-Formatter-0.102084/t/params.t 0000644 0000000 0000000 00000001530 12246723751 0017100 0 ustar 00root root 0000000 0000000 #!perl
use strict;
use Test::More tests => 2;
use String::Formatter;
{
my $fmt = String::Formatter->new({
input_processor => 'require_named_input',
string_replacer => 'named_replace',
codes => {
f => sub { $_ },
r => sub { scalar reverse $_ },
},
});
{
my $have = $fmt->format(
q(do it %{alfa}f way and %{beta}r way),
{ alfa => 'this', beta => 'that' },
);
my $want = 'do it this way and taht way';
is($have, $want, "named args via conversions");
}
}
{
my $fmt = String::Formatter->new({
codes => {
f => sub { $_ },
r => sub { scalar reverse $_ },
},
});
{
my $have = $fmt->format(
q(do it %f way and %r way),
qw(this that),
);
my $want = 'do it this way and taht way';
is($have, $want, "positional args via conversions");
}
}
String-Formatter-0.102084/t/stringf.t 0000644 0000000 0000000 00000003027 12246723751 0017274 0 ustar 00root root 0000000 0000000 #!perl
use strict;
use Test::More 0.88;
use String::Formatter
stringf => {
-as => 'pos_stringf',
codes => {
f => sub { $_ },
r => sub { scalar reverse $_ },
},
},
stringf => {
-as => 'named_stringf',
input_processor => 'require_named_input',
string_replacer => 'named_replace',
codes => {
f => sub { $_ },
r => sub { scalar reverse $_ },
},
},
named_stringf => {
-as => 'ns2',
codes => {
f => sub { $_ },
r => sub { scalar reverse $_ },
},
},
indexed_stringf => {
codes => {
f => sub { $_ },
r => sub { scalar reverse $_ },
},
}
;
{
my $have = pos_stringf(
q(do it %f way and %r way),
qw(this that),
);
my $want = 'do it this way and taht way';
is($have, $want, "positional args via conversions");
}
{
my $have = named_stringf(
q(do it %{alfa}f way and %{beta}r way),
{ alfa => 'this', beta => 'that' },
);
my $want = 'do it this way and taht way';
is($have, $want, "named args via conversions");
}
{
my $have = ns2(
q(do it %{alfa}f way and %{beta}r way),
{ alfa => 'this', beta => 'that' },
);
my $want = 'do it this way and taht way';
is($have, $want, "named args via conversions (named_stringf import)");
}
{
my $have = indexed_stringf(
q(do it %{1}f way and %{0}r way),
[ qw(that this) ],
);
my $want = 'do it this way and taht way';
is($have, $want, "named args via conversions (indexed_stringf import)");
}
done_testing;
String-Formatter-0.102084/xt/ 0000755 0000000 0000000 00000000000 12246723751 0015621 5 ustar 00root root 0000000 0000000 String-Formatter-0.102084/xt/release/ 0000755 0000000 0000000 00000000000 12246723751 0017241 5 ustar 00root root 0000000 0000000 String-Formatter-0.102084/xt/release/changes_has_content.t 0000644 0000000 0000000 00000002014 12246723751 0023420 0 ustar 00root root 0000000 0000000 #!perl
use Test::More tests => 2;
note 'Checking Changes';
my $changes_file = 'Changes';
my $newver = '0.102084';
my $trial_token = '-TRIAL';
SKIP: {
ok(-e $changes_file, "$changes_file file exists")
or skip 'Changes is missing', 1;
ok(_get_changes($newver), "$changes_file has content for $newver");
}
done_testing;
# _get_changes copied and adapted from Dist::Zilla::Plugin::Git::Commit
# by Jerome Quelin
sub _get_changes
{
my $newver = shift;
# parse changelog to find commit message
open(my $fh, '<', $changes_file) or die "cannot open $changes_file: $!";
my $changelog = join('', <$fh>);
close $fh;
my @content =
grep { /^$newver(?:$trial_token)?(?:\s+|$)/ ... /^\S/ } # from newver to un-indented
split /\n/, $changelog;
shift @content; # drop the version line
# drop unindented last line and trailing blank lines
pop @content while ( @content && $content[-1] =~ /^(?:\S|\s*$)/ );
# return number of non-blank lines
return scalar @content;
}
String-Formatter-0.102084/xt/release/pod-syntax.t 0000644 0000000 0000000 00000000212 12246723751 0021527 0 ustar 00root root 0000000 0000000 #!perl
use Test::More;
eval "use Test::Pod 1.41";
plan skip_all => "Test::Pod 1.41 required for testing POD" if $@;
all_pod_files_ok();