enable --csv option to output csv format

Author: shooding

README.md

@@ -38,7 +38,17 @@ You can also hide dependency version with `--hide-version` option:
 $ php-legal-licenses generate --hide-version
 ```
 
+You can output csv file with `--csv` option:
 
+```
+$ php-legal-licenses generate --csv
+```
+
+Or use both option:
+
+```
+$ php-legal-licenses generate --hide-version --csv
+```
 
 ## Example Output
 Here is a snippet of the licenses file that would be generated for this utility itself:

src/Comcast/PhpLegalLicenses/Command/GenerateCommand.php

@@ -12,6 +12,7 @@ class GenerateCommand extends DependencyLicenseCommand
      * @var bool
      */
     private $hideVersion = false;
+    private $toCsv = false;
 
     /**
      * Configure the command options.
@@ -23,7 +24,8 @@ protected function configure()
         $this
             ->setName('generate')
             ->setDescription('Generate Licenses file from project dependencies.')
-            ->addOption('hide-version', 'hv', InputOption::VALUE_NONE, 'Hide dependency version');
+            ->addOption('hide-version', 'hv', InputOption::VALUE_NONE, 'Hide dependency version')
+            ->addOption('csv', null, InputOption::VALUE_NONE, 'Output csv format');
     }
 
     /**
@@ -37,11 +39,17 @@ protected function configure()
     protected function execute(InputInterface $input, OutputInterface $output)
     {
         $this->hideVersion = $input->getOption('hide-version');
+        $this->toCsv = $input->getOption('csv');
         $dependencies = $this->getDependencyList();
 
         $output->writeln('<info>Generating Licenses file...</info>');
-        $this->generateLicensesText($dependencies);
+        if ($this->toCsv) {
 
+            $this->generateLicensesCSV($dependencies);
+        } else {
+
+            $this->generateLicensesText($dependencies);
+        }
         $output->writeln('<info>Done!</info>');
 
         return 0;
@@ -65,6 +73,24 @@ protected function generateLicensesText($dependencies)
         file_put_contents('licenses.md', $text);
     }
 
+    protected function generateLicensesCSV($dependencies)
+    {
+        $fp = fopen('licenses.csv', 'w');
+        $title = ['name', 'version', 'source', 'license description'];
+
+        fputcsv($fp, $title);
+        foreach ($dependencies as $dependency) {
+            $dependencyLists = [
+                $dependency['name'],
+                $this->hideVersion ? '' : $dependency['version'],
+                $dependency['source']['url'],
+                $this->getTextForDependency($dependency)
+            ];
+            fputcsv($fp, $dependencyLists);
+        }
+        fclose($fp);
+    }
+
     /**
      * Returns Boilerplate text for the Licences File.
      *
@@ -108,11 +134,11 @@ protected function getTextForDependency($dependency)
      */
     protected function getFullLicenseText($name)
     {
-        $path = getcwd()."/vendor/$name/";
+        $path = getcwd() . "/vendor/$name/";
         $filenames = ['LICENSE.txt', 'LICENSE.md', 'LICENSE', 'license.txt', 'license.md', 'license', 'LICENSE-2.0.txt'];
 
         foreach ($filenames as $filename) {
-            $text = @file_get_contents($path.$filename);
+            $text = @file_get_contents($path . $filename);
             if ($text) {
                 return $text;
             }
@@ -136,7 +162,7 @@ protected function getFullLicenseText($name)
      */
     protected function generateDependencyText($name, $description, $version, $homepage, $sha, $licenseNames, $license)
     {
-        return "### $name ".($this->hideVersion ? '' : "(Version $version | $sha)")."
+        return "### $name " . ($this->hideVersion ? '' : "(Version $version | $sha)") . "
 $description
 Homepage: $homepage
 Licenses Used: $licenseNames