require 'bundler/gem_tasks'

require 'rake/testtask'

Rake::TestTask.new(:test) do |t|

t.libs << 'test'

t.libs << 'lib'

t.test_files = FileList['test/**/*_test.rb']

end

require 'rake/extensiontask'

task build: :compile

Rake::ExtensionTask.new('alglib') do |ext|

ext.lib_dir = 'lib/alglib'

end

desc 'Download and extract ALGLIB'

namespace :ext do

task :alglib do

require 'open-uri'

require 'zip'

source_url = 'https://www.alglib.net/translator/re/alglib-4.01.0.cpp.gpl.zip'

target_dir = './ext/alglib'

# Download the file to a temporary location

temp_file = Tempfile.new('alglib')

URI.open(source_url) do |src|

temp_file.write(src.read)

temp_file.flush

end

# Extract downloaded file to target directory

Zip::File.open(temp_file.path) do |zip_file|

zip_file.each do |entry|

# Skip test files

next if entry.name.start_with?('alglib-cpp/tests')

path_to_extract = File.join(target_dir, File.basename(entry.name))

case File.extname(entry.name)

when '.cpp', '.h'

FileUtils.mkdir_p File.dirname(path_to_extract)

entry.extract(path_to_extract) { true }

end

end

end

temp_file.close

temp_file.unlink

end

end