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Cli.php
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Cli.php
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<?php
namespace Sabre\VObject;
use
InvalidArgumentException;
/**
* This is the CLI interface for sabre-vobject.
*
* @copyright Copyright (C) 2011-2015 fruux GmbH (https://fruux.com/).
* @author Evert Pot (http://evertpot.com/)
* @license http://sabre.io/license/ Modified BSD License
*/
class Cli {
/**
* No output
*
* @var bool
*/
protected $quiet = false;
/**
* Help display
*
* @var bool
*/
protected $showHelp = false;
/**
* Wether to spit out 'mimedir' or 'json' format.
*
* @var string
*/
protected $format;
/**
* JSON pretty print
*
* @var bool
*/
protected $pretty;
/**
* Source file
*
* @var string
*/
protected $inputPath;
/**
* Destination file
*
* @var string
*/
protected $outputPath;
/**
* output stream
*
* @var resource
*/
protected $stdout;
/**
* stdin
*
* @var resource
*/
protected $stdin;
/**
* stderr
*
* @var resource
*/
protected $stderr;
/**
* Input format (one of json or mimedir)
*
* @var string
*/
protected $inputFormat;
/**
* Makes the parser less strict.
*
* @var bool
*/
protected $forgiving = false;
/**
* Main function
*
* @return int
*/
public function main(array $argv) {
// @codeCoverageIgnoreStart
// We cannot easily test this, so we'll skip it. Pretty basic anyway.
if (!$this->stderr) {
$this->stderr = fopen('php://stderr', 'w');
}
if (!$this->stdout) {
$this->stdout = fopen('php://stdout', 'w');
}
if (!$this->stdin) {
$this->stdin = fopen('php://stdin', 'r');
}
// @codeCoverageIgnoreEnd
try {
list($options, $positional) = $this->parseArguments($argv);
if (isset($options['q'])) {
$this->quiet = true;
}
$this->log($this->colorize('green', "sabre/vobject ") . $this->colorize('yellow', Version::VERSION));
foreach($options as $name=>$value) {
switch($name) {
case 'q' :
// Already handled earlier.
break;
case 'h' :
case 'help' :
$this->showHelp();
return 0;
break;
case 'format' :
switch($value) {
// jcard/jcal documents
case 'jcard' :
case 'jcal' :
// specific document versions
case 'vcard21' :
case 'vcard30' :
case 'vcard40' :
case 'icalendar20' :
// specific formats
case 'json' :
case 'mimedir' :
// icalendar/vcad
case 'icalendar' :
case 'vcard' :
$this->format = $value;
break;
default :
throw new InvalidArgumentException('Unknown format: ' . $value);
}
break;
case 'pretty' :
if (version_compare(PHP_VERSION, '5.4.0') >= 0) {
$this->pretty = true;
}
break;
case 'forgiving' :
$this->forgiving = true;
break;
case 'inputformat' :
switch($value) {
// json formats
case 'jcard' :
case 'jcal' :
case 'json' :
$this->inputFormat = 'json';
break;
// mimedir formats
case 'mimedir' :
case 'icalendar' :
case 'vcard' :
case 'vcard21' :
case 'vcard30' :
case 'vcard40' :
case 'icalendar20' :
$this->inputFormat = 'mimedir';
break;
default :
throw new InvalidArgumentException('Unknown format: ' . $value);
}
break;
default :
throw new InvalidArgumentException('Unknown option: ' . $name);
}
}
if (count($positional) === 0) {
$this->showHelp();
return 1;
}
if (count($positional) === 1) {
throw new InvalidArgumentException('Inputfile is a required argument');
}
if (count($positional) > 3) {
throw new InvalidArgumentException('Too many arguments');
}
if (!in_array($positional[0], array('validate','repair','convert','color'))) {
throw new InvalidArgumentException('Uknown command: ' . $positional[0]);
}
} catch (InvalidArgumentException $e) {
$this->showHelp();
$this->log('Error: ' . $e->getMessage(), 'red');
return 1;
}
$command = $positional[0];
$this->inputPath = $positional[1];
$this->outputPath = isset($positional[2])?$positional[2]:'-';
if ($this->outputPath !== '-') {
$this->stdout = fopen($this->outputPath, 'w');
}
if (!$this->inputFormat) {
if (substr($this->inputPath, -5)==='.json') {
$this->inputFormat = 'json';
} else {
$this->inputFormat = 'mimedir';
}
}
if (!$this->format) {
if (substr($this->outputPath,-5)==='.json') {
$this->format = 'json';
} else {
$this->format = 'mimedir';
}
}
$realCode = 0;
try {
while($input = $this->readInput()) {
$returnCode = $this->$command($input);
if ($returnCode!==0) $realCode = $returnCode;
}
} catch (EofException $e) {
// end of file
} catch (\Exception $e) {
$this->log('Error: ' . $e->getMessage(),'red');
return 2;
}
return $realCode;
}
/**
* Shows the help message.
*
* @return void
*/
protected function showHelp() {
$this->log('Usage:', 'yellow');
$this->log(" vobject [options] command [arguments]");
$this->log('');
$this->log('Options:', 'yellow');
$this->log($this->colorize('green', ' -q ') . "Don't output anything.");
$this->log($this->colorize('green', ' -help -h ') . "Display this help message.");
$this->log($this->colorize('green', ' --format ') . "Convert to a specific format. Must be one of: vcard, vcard21,");
$this->log($this->colorize('green', ' --forgiving ') . "Makes the parser less strict.");
$this->log(" vcard30, vcard40, icalendar20, jcal, jcard, json, mimedir.");
$this->log($this->colorize('green', ' --inputformat ') . "If the input format cannot be guessed from the extension, it");
$this->log(" must be specified here.");
// Only PHP 5.4 and up
if (version_compare(PHP_VERSION, '5.4.0') >= 0) {
$this->log($this->colorize('green', ' --pretty ') . "json pretty-print.");
}
$this->log('');
$this->log('Commands:', 'yellow');
$this->log($this->colorize('green', ' validate') . ' source_file Validates a file for correctness.');
$this->log($this->colorize('green', ' repair') . ' source_file [output_file] Repairs a file.');
$this->log($this->colorize('green', ' convert') . ' source_file [output_file] Converts a file.');
$this->log($this->colorize('green', ' color') . ' source_file Colorize a file, useful for debbugging.');
$this->log(
<<<HELP
If source_file is set as '-', STDIN will be used.
If output_file is omitted, STDOUT will be used.
All other output is sent to STDERR.
HELP
);
$this->log('Examples:', 'yellow');
$this->log(' vobject convert contact.vcf contact.json');
$this->log(' vobject convert --format=vcard40 old.vcf new.vcf');
$this->log(' vobject convert --inputformat=json --format=mimedir - -');
$this->log(' vobject color calendar.ics');
$this->log('');
$this->log('https://github.com/fruux/sabre-vobject','purple');
}
/**
* Validates a VObject file
*
* @param Component $vObj
* @return int
*/
protected function validate($vObj) {
$returnCode = 0;
switch($vObj->name) {
case 'VCALENDAR' :
$this->log("iCalendar: " . (string)$vObj->VERSION);
break;
case 'VCARD' :
$this->log("vCard: " . (string)$vObj->VERSION);
break;
}
$warnings = $vObj->validate();
if (!count($warnings)) {
$this->log(" No warnings!");
} else {
$levels = array(
1 => 'REPAIRED',
2 => 'WARNING',
3 => 'ERROR',
);
$returnCode = 2;
foreach($warnings as $warn) {
$extra = '';
if ($warn['node'] instanceof Property) {
$extra = ' (property: "' . $warn['node']->name . '")';
}
$this->log(" [" . $levels[$warn['level']] . '] ' . $warn['message'] . $extra);
}
}
return $returnCode;
}
/**
* Repairs a VObject file
*
* @param Component $vObj
* @return int
*/
protected function repair($vObj) {
$returnCode = 0;
switch($vObj->name) {
case 'VCALENDAR' :
$this->log("iCalendar: " . (string)$vObj->VERSION);
break;
case 'VCARD' :
$this->log("vCard: " . (string)$vObj->VERSION);
break;
}
$warnings = $vObj->validate(Node::REPAIR);
if (!count($warnings)) {
$this->log(" No warnings!");
} else {
$levels = array(
1 => 'REPAIRED',
2 => 'WARNING',
3 => 'ERROR',
);
$returnCode = 2;
foreach($warnings as $warn) {
$extra = '';
if ($warn['node'] instanceof Property) {
$extra = ' (property: "' . $warn['node']->name . '")';
}
$this->log(" [" . $levels[$warn['level']] . '] ' . $warn['message'] . $extra);
}
}
fwrite($this->stdout, $vObj->serialize());
return $returnCode;
}
/**
* Converts a vObject file to a new format.
*
* @param Component $vObj
* @return int
*/
protected function convert($vObj) {
$json = false;
$convertVersion = null;
$forceInput = null;
switch($this->format) {
case 'json' :
$json = true;
if ($vObj->name === 'VCARD') {
$convertVersion = Document::VCARD40;
}
break;
case 'jcard' :
$json = true;
$forceInput = 'VCARD';
$convertVersion = Document::VCARD40;
break;
case 'jcal' :
$json = true;
$forceInput = 'VCALENDAR';
break;
case 'mimedir' :
case 'icalendar' :
case 'icalendar20' :
case 'vcard' :
break;
case 'vcard21' :
$convertVersion = Document::VCARD21;
break;
case 'vcard30' :
$convertVersion = Document::VCARD30;
break;
case 'vcard40' :
$convertVersion = Document::VCARD40;
break;
}
if ($forceInput && $vObj->name !== $forceInput) {
throw new \Exception('You cannot convert a ' . strtolower($vObj->name) . ' to ' . $this->format);
}
if ($convertVersion) {
$vObj = $vObj->convert($convertVersion);
}
if ($json) {
$jsonOptions = 0;
if ($this->pretty) {
$jsonOptions = JSON_PRETTY_PRINT;
}
fwrite($this->stdout, json_encode($vObj->jsonSerialize(), $jsonOptions));
} else {
fwrite($this->stdout, $vObj->serialize());
}
return 0;
}
/**
* Colorizes a file
*
* @param Component $vObj
* @return int
*/
protected function color($vObj) {
fwrite($this->stdout, $this->serializeComponent($vObj));
}
/**
* Returns an ansi color string for a color name.
*
* @param string $color
* @return string
*/
protected function colorize($color, $str, $resetTo = 'default') {
$colors = array(
'cyan' => '1;36',
'red' => '1;31',
'yellow' => '1;33',
'blue' => '0;34',
'green' => '0;32',
'default' => '0',
'purple' => '0;35',
);
return "\033[" . $colors[$color] . 'm' . $str . "\033[".$colors[$resetTo]."m";
}
/**
* Writes out a string in specific color.
*
* @param string $color
* @param string $str
* @return void
*/
protected function cWrite($color, $str) {
fwrite($this->stdout, $this->colorize($color, $str));
}
protected function serializeComponent(Component $vObj) {
$this->cWrite('cyan', 'BEGIN');
$this->cWrite('red', ':');
$this->cWrite('yellow', $vObj->name . "\n");
/**
* Gives a component a 'score' for sorting purposes.
*
* This is solely used by the childrenSort method.
*
* A higher score means the item will be lower in the list.
* To avoid score collisions, each "score category" has a reasonable
* space to accomodate elements. The $key is added to the $score to
* preserve the original relative order of elements.
*
* @param int $key
* @param array $array
* @return int
*/
$sortScore = function($key, $array) {
if ($array[$key] instanceof Component) {
// We want to encode VTIMEZONE first, this is a personal
// preference.
if ($array[$key]->name === 'VTIMEZONE') {
$score=300000000;
return $score+$key;
} else {
$score=400000000;
return $score+$key;
}
} else {
// Properties get encoded first
// VCARD version 4.0 wants the VERSION property to appear first
if ($array[$key] instanceof Property) {
if ($array[$key]->name === 'VERSION') {
$score=100000000;
return $score+$key;
} else {
// All other properties
$score=200000000;
return $score+$key;
}
}
}
};
$tmp = $vObj->children;
uksort(
$vObj->children,
function($a, $b) use ($sortScore, $tmp) {
$sA = $sortScore($a, $tmp);
$sB = $sortScore($b, $tmp);
return $sA - $sB;
}
);
foreach($vObj->children as $child) {
if ($child instanceof Component) {
$this->serializeComponent($child);
} else {
$this->serializeProperty($child);
}
}
$this->cWrite('cyan', 'END');
$this->cWrite('red', ':');
$this->cWrite('yellow', $vObj->name . "\n");
}
/**
* Colorizes a property.
*
* @param Property $property
* @return void
*/
protected function serializeProperty(Property $property) {
if ($property->group) {
$this->cWrite('default', $property->group);
$this->cWrite('red', '.');
}
$str = '';
$this->cWrite('yellow', $property->name);
foreach($property->parameters as $param) {
$this->cWrite('red',';');
$this->cWrite('blue', $param->serialize());
}
$this->cWrite('red',':');
if ($property instanceof Property\Binary) {
$this->cWrite('default', 'embedded binary stripped. (' . strlen($property->getValue()) . ' bytes)');
} else {
$parts = $property->getParts();
$first1 = true;
// Looping through property values
foreach($parts as $part) {
if ($first1) {
$first1 = false;
} else {
$this->cWrite('red', $property->delimiter);
}
$first2 = true;
// Looping through property sub-values
foreach((array)$part as $subPart) {
if ($first2) {
$first2 = false;
} else {
// The sub-value delimiter is always comma
$this->cWrite('red', ',');
}
$subPart = strtr(
$subPart,
array(
'\\' => $this->colorize('purple', '\\\\', 'green'),
';' => $this->colorize('purple', '\;', 'green'),
',' => $this->colorize('purple', '\,', 'green'),
"\n" => $this->colorize('purple', "\\n\n\t", 'green'),
"\r" => "",
)
);
$this->cWrite('green', $subPart);
}
}
}
$this->cWrite("default", "\n");
}
/**
* Parses the list of arguments.
*
* @param array $argv
* @return void
*/
protected function parseArguments(array $argv) {
$positional = array();
$options = array();
for($ii=0; $ii < count($argv); $ii++) {
// Skipping the first argument.
if ($ii===0) continue;
$v = $argv[$ii];
if (substr($v,0,2)==='--') {
// This is a long-form option.
$optionName = substr($v,2);
$optionValue = true;
if (strpos($optionName,'=')) {
list($optionName, $optionValue) = explode('=', $optionName);
}
$options[$optionName] = $optionValue;
} elseif (substr($v,0,1) === '-' && strlen($v)>1) {
// This is a short-form option.
foreach(str_split(substr($v,1)) as $option) {
$options[$option] = true;
}
} else {
$positional[] = $v;
}
}
return array($options, $positional);
}
protected $parser;
/**
* Reads the input file
*
* @return Component
*/
protected function readInput() {
if (!$this->parser) {
if ($this->inputPath!=='-') {
$this->stdin = fopen($this->inputPath,'r');
}
if ($this->inputFormat === 'mimedir') {
$this->parser = new Parser\MimeDir($this->stdin, ($this->forgiving?Reader::OPTION_FORGIVING:0));
} else {
$this->parser = new Parser\Json($this->stdin, ($this->forgiving?Reader::OPTION_FORGIVING:0));
}
}
return $this->parser->parse();
}
/**
* Sends a message to STDERR.
*
* @param string $msg
* @return void
*/
protected function log($msg, $color = 'default') {
if (!$this->quiet) {
if ($color!=='default') {
$msg = $this->colorize($color, $msg);
}
fwrite($this->stderr, $msg . "\n");
}
}
}

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