Current File : //usr/share/mysql-test/lib/My/Find.pm
# -*- cperl -*-
# Copyright (c) 2007, 2011, Oracle and/or its affiliates. All rights reserved.
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License, version 2.0,
# as published by the Free Software Foundation.
#
# This program is also distributed with certain software (including
# but not limited to OpenSSL) that is licensed under separate terms,
# as designated in a particular file or component or in included license
# documentation. The authors of MySQL hereby grant you an additional
# permission to link the program and your derivative works with the
# separately licensed software that they have included with MySQL.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License, version 2.0, for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
package My::Find;
#
# Utility functions to find files in a MySQL source or bindist
#
use strict;
use Carp;
use My::Platform;
use base qw(Exporter);
our @EXPORT= qw(my_find_bin my_find_dir my_find_file NOT_REQUIRED);
my $bin_extension= ".exe" if IS_WINDOWS;
# Helper function to be used for fourth parameter to find functions
sub NOT_REQUIRED { return 0; }
#
# my_find_bin - find an executable with "name_1...name_n" in
# paths "path_1...path_n" and return the full path
#
# Example:
# my $mysqld_exe= my_find_bin($basedir.
# ["sql", "bin"],
# ["mysqld", "mysqld-debug"]);
# my $mysql_exe= my_find_bin($basedir,
# ["client", "bin"],
# "mysql");
#
#
# To check if something exists, use the required parameter
# set to 0, the function will return an empty string if the
# binary is not found
# my $mysql_exe= my_find_bin($basedir,
# ["client", "bin"],
# "mysql", NOT_REQUIRED);
#
# NOTE: The function honours MTR_VS_CONFIG environment variable
#
#
sub my_find_bin {
my ($base, $paths, $names, $required)= @_;
croak "usage: my_find_bin(<base>, <paths>, <names>, [<required>])"
unless @_ == 4 or @_ == 3;
# -------------------------------------------------------
# Find and return the first executable
# -------------------------------------------------------
foreach my $path (my_find_paths($base, $paths, $names, $bin_extension)) {
return $path if ( -x $path or (IS_WINDOWS and -f $path) );
}
if (defined $required and $required == NOT_REQUIRED){
# Return empty string to indicate not found
return "";
}
find_error($base, $paths, $names);
}
#
# my_find_file - find a file with "name_1...name_n" in
# paths "path_1...path_n" and return the full path
#
# Example:
# my $mysqld_exe= my_find_file($basedir.
# ["sql", "bin"],
# "filename");
#
#
# Also supports NOT_REQUIRED flag
#
# NOTE: The function honours MTR_VS_CONFIG environment variable
#
#
sub my_find_file {
my ($base, $paths, $names, $required)= @_;
croak "usage: my_find_file(<base>, <paths>, <names>, [<required>])"
unless @_ == 4 or @_ == 3;
# -------------------------------------------------------
# Find and return the first executable
# -------------------------------------------------------
foreach my $path (my_find_paths($base, $paths, $names, $bin_extension)) {
return $path if ( -f $path );
}
if (defined $required and $required == NOT_REQUIRED){
# Return empty string to indicate not found
return "";
}
find_error($base, $paths, $names);
}
#
# my_find_dir - find the first existing directory in one of
# the given paths
#
# Example:
# my $charset_set= my_find_dir($basedir,
# ["mysql/share","sql/share", "share"],
# ["charset"]);
# or
# my $charset_set= my_find_dir($basedir,
# ['client_release', 'client_debug',
# 'client', 'bin']);
#
# NOTE: The function honours MTR_VS_CONFIG environment variable
#
#
sub my_find_dir {
my ($base, $paths, $dirs, $optional)= @_;
croak "usage: my_find_dir(<base>, <paths>[, <dirs>[, <optional>]])"
unless (@_ == 3 or @_ == 2 or @_ == 4);
# -------------------------------------------------------
# Find and return the first directory
# -------------------------------------------------------
foreach my $path (my_find_paths($base, $paths, $dirs)) {
return $path if ( -d $path );
}
return "" if $optional;
find_error($base, $paths, $dirs);
}
sub my_find_paths {
my ($base, $paths, $names, $extension)= @_;
# Convert the arguments into two normal arrays to ease
# further mappings
my (@names, @paths);
push(@names, ref $names eq "ARRAY" ? @$names : $names);
push(@paths, ref $paths eq "ARRAY" ? @$paths : $paths);
#print "base: $base\n";
#print "names: @names\n";
#print "paths: @paths\n";
# User can select to look in a special build dir
# which is a subdirectory of any of the paths
my @extra_dirs;
my $build_dir= $::opt_vs_config || $ENV{MTR_VS_CONFIG} || $ENV{MTR_BUILD_DIR};
push(@extra_dirs, $build_dir) if defined $build_dir;
if (defined $extension){
# Append extension to names, if name does not already have extension
map { $_.=$extension unless /\.(.*)+$/ } @names;
}
# -------------------------------------------------------
# CMake generator specific (Visual Studio and Xcode have multimode builds)
# -------------------------------------------------------
# Add the default extra build dirs unless a specific one has
# already been selected
push(@extra_dirs,
("Release",
"Relwithdebinfo",
"Debug")) if @extra_dirs == 0;
#print "extra_build_dir: @extra_dirs\n";
# -------------------------------------------------------
# Build cross product of "paths * extra_build_dirs"
# -------------------------------------------------------
push(@paths, map { my $path= $_;
map { "$path/$_" } @extra_dirs
} @paths);
#print "paths: @paths\n";
# -------------------------------------------------------
# Build cross product of "paths * names"
# -------------------------------------------------------
@paths= map { my $path= $_;
map { "$path/$_" } @names
} @paths;
#print "paths: @paths\n";
# -------------------------------------------------------
# Prepend base to all paths
# -------------------------------------------------------
@paths= map { "$base/$_" } @paths;
#print "paths: @paths\n";
# -------------------------------------------------------
# Glob all paths to expand wildcards
# -------------------------------------------------------
@paths= map { glob("$_") } @paths;
#print "paths: @paths\n";
# -------------------------------------------------------
# Return the list of paths
# -------------------------------------------------------
return @paths;
}
sub commify {
return
(@_ == 0) ? '' :
(@_ == 1) ? $_[0] :
(@_ == 2) ? join(" or ", @_) :
join(", ", @_[0..($#_-1)], "or $_[-1]");
}
sub fnuttify {
return map('\''.$_.'\'', @_);
}
sub find_error {
my ($base, $paths, $names)= @_;
my (@names, @paths);
push(@names, ref $names eq "ARRAY" ? @$names : $names);
push(@paths, ref $paths eq "ARRAY" ? @$paths : $paths);
croak "** ERROR: Could not find ",
commify(fnuttify(@names)), " in ",
commify(fnuttify(my_find_paths($base, $paths, $names))), "\n";
}
1;
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