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<?php /** * File containing the ezcConsoleInput class. * * @package ConsoleTools * @version 1.6.1 * @copyright Copyright (C) 2005-2010 eZ Systems AS. All rights reserved. * @license http://ez.no/licenses/new_bsd New BSD License * @filesource */ /** * The ezcConsoleInput class handles the given options and arguments on the console. * * This class allows the complete handling of options and arguments submitted * to a console based application. * * The next example demonstrate how to capture the console options: * * <code> * $optionHandler = new ezcConsoleInput(); * * // Register simple parameter -h/--help * $optionHandler->registerOption( new ezcConsoleOption( 'h', 'help' ) ); * * // Register complex parameter -f/--file * $file = new ezcConsoleOption( * 'f', * 'file', * ezcConsoleInput::TYPE_STRING, * null, * false, * 'Process a file.', * 'Processes a single file.' * ); * $optionHandler->registerOption( $file ); * * // Manipulate parameter -f/--file after registration * $file->multiple = true; * * // Register another complex parameter that depends on -f and excludes -h * $dir = new ezcConsoleOption( * 'd', * 'dir', * ezcConsoleInput::TYPE_STRING, * null, * true, * 'Process a directory.', * 'Processes a complete directory.', * array( new ezcConsoleOptionRule( $optionHandler->getOption( 'f' ) ) ), * array( new ezcConsoleOptionRule( $optionHandler->getOption( 'h' ) ) ) * ); * $optionHandler->registerOption( $dir ); * * // Register an alias for this parameter * $optionHandler->registerAlias( 'e', 'extended-dir', $dir ); * * // Process registered parameters and handle errors * try * { * $optionHandler->process( array( 'example_input.php', '-h' ) ); * } * catch ( ezcConsoleOptionException $e ) * { * echo $e->getMessage(); * exit( 1 ); * } * * // Process a single parameter * $file = $optionHandler->getOption( 'f' ); * if ( $file->value === false ) * { * echo "Parameter -{$file->short}/--{$file->long} was not submitted.\n"; * } * elseif ( $file->value === true ) * { * echo "Parameter -{$file->short}/--{$file->long} was submitted without value.\n"; * } * else * { * echo "Parameter -{$file->short}/--{$file->long} was submitted with value '".var_export($file->value, true)."'.\n"; * } * * // Process all parameters at once: * foreach ( $optionHandler->getOptionValues() as $paramShort => $val ) * { * switch ( true ) * { * case $val === false: * echo "Parameter $paramShort was not submitted.\n"; * break; * case $val === true: * echo "Parameter $paramShort was submitted without a value.\n"; * break; * case is_array( $val ): * echo "Parameter $paramShort was submitted multiple times with value: '".implode(', ', $val)."'.\n"; * break; * default: * echo "Parameter $paramShort was submitted with value: '$val'.\n"; * break; * } * } * </code> * * @package ConsoleTools * @version 1.6.1 * @mainclass * * @property ezcConsoleArguments $argumentDefinition Optional argument definition. */ class ezcConsoleInput { /** * Option does not carry a value. */ const TYPE_NONE = 1; /** * Option takes an integer value. */ const TYPE_INT = 2; /** * Option takes a string value. */ const TYPE_STRING = 3; /** * Array of option definitions, indexed by number. * * This array stores the ezcConsoleOption objects representing * the options. * * For lookup of an option after its short or long values the attributes * {@link ezcConsoleInput::$optionShort} * {@link ezcConsoleInput::$optionLong} * are used. * * @var array(array) */ private $options = array(); /** * Short option names. * * Each references a key in {@link ezcConsoleInput::$options}. * * @var array(string=>int) */ private $optionShort = array(); /** * Long option names. * * Each references a key in {@link ezcConsoleInput::$options}. * * @var array(string=>int) */ private $optionLong = array(); /** * Arguments, if submitted, are stored here. * * @var array(string) */ private $arguments = array(); /** * Wether the process() method has already been called. * * @var bool */ private $processed = false; /** * Indicates if an option was submitted, that has the isHelpOption flag set. * * @var bool */ private $helpOptionSet = false; /** * Tool object for multi-byte encoding safe string operations. * * @var ezcConsoleStringTool */ private $stringTool; /** * Input validator. * * @var ezcConsoleInputValidator */ private $validator; /** * Help generator. * * @var ezcConsoleInputHelpGenerator */ private $helpGenerator; /** * Collection of properties. * * @var array(string=>mixed) */ protected $properties = array(); /** * Creates an input handler. */ public function __construct() { $this->argumentDefinition = null; $this->stringTool = new ezcConsoleStringTool(); // @TODO Verify interface and make plugable $this->validator = new ezcConsoleStandardInputValidator(); $this->helpGenerator = new ezcConsoleInputStandardHelpGenerator( $this ); } /** * Registers the new option $option. * * This method adds the new option $option to your option collection. If * already an option with the assigned short or long value exists, an * exception will be thrown. * * @see ezcConsoleInput::unregisterOption() * * @param ezcConsoleOption $option * * @return ezcConsoleOption The recently registered option. */ public function registerOption( ezcConsoleOption $option ) { foreach ( $this->optionShort as $short => $ref ) { if ( $short === $option->short ) { throw new ezcConsoleOptionAlreadyRegisteredException( $short ); } } foreach ( $this->optionLong as $long => $ref ) { if ( $long === $option->long ) { throw new ezcConsoleOptionAlreadyRegisteredException( $long ); } } $this->options[] = $option; $this->optionLong[$option->long] = $option; if ( $option->short !== "" ) { $this->optionShort[$option->short] = $option; } return $option; } /** * Registers an alias for an option. * * Registers a new alias for an existing option. Aliases can * be used as if they were a normal option. * * The alias is registered with the short option name $short and the * long option name $long. The alias references to the existing * option $option. * * @see ezcConsoleInput::unregisterAlias() * * @param string $short * @param string $long * @param ezcConsoleOption $option * * * @throws ezcConsoleOptionNotExistsException * If the referenced option is not registered. * @throws ezcConsoleOptionAlreadyRegisteredException * If another option/alias has taken the provided short or long name. * @return void */ public function registerAlias( $short, $long, ezcConsoleOption $option ) { if ( !isset( $this->optionShort[$option->short] ) || !isset( $this->optionLong[$option->long] ) ) { throw new ezcConsoleOptionNotExistsException( $option->long ); } if ( isset( $this->optionShort[$short] ) || isset( $this->optionLong[$long] ) ) { throw new ezcConsoleOptionAlreadyRegisteredException( isset( $this->optionShort[$short] ) ? "-$short" : "--$long" ); } $this->optionShort[$short] = $option; $this->optionLong[$long] = $option; } /** * Registers options according to a string specification. * * Accepts a string to define parameters and registers all parameters as * options accordingly. String definition, specified in $optionDef, looks * like this: * * <code> * [s:|size:][u:|user:][a:|all:] * </code> * * This string registers 3 parameters: * -s / --size * -u / --user * -a / --all * * @param string $optionDef * @return void * * @throws ezcConsoleOptionStringNotWellformedException * If provided string does not have the correct format. */ public function registerOptionString( $optionDef ) { $regex = '\[([a-z0-9-]+)([:?*+])?([^|]*)\|([a-z0-9-]+)([:?*+])?\]'; // Check string for wellformedness if ( preg_match( "/^($regex)+$/", $optionDef ) == 0 ) { throw new ezcConsoleOptionStringNotWellformedException( "Option definition not wellformed: \"$optionDef\"" ); } if ( preg_match_all( "/$regex/", $optionDef, $matches ) ) { foreach ( $matches[1] as $id => $short ) { $option = null; $option = new ezcConsoleOption( $short, $matches[4][$id] ); if ( !empty( $matches[2][$id] ) || !empty( $matches[5][$id] ) ) { switch ( !empty( $matches[2][$id] ) ? $matches[2][$id] : $matches[5][$id] ) { case '*': // Allows 0 or more occurances $option->multiple = true; break; case '+': // Allows 1 or more occurances $option->multiple = true; $option->type = self::TYPE_STRING; break; case '?': $option->type = self::TYPE_STRING; $option->default = ''; break; default: break; } } if ( !empty( $matches[3][$id] ) ) { $option->default = $matches[3][$id]; } $this->registerOption( $option ); } } } /** * Removes an option. * * This function removes an option. All dependencies to that * specific option are removed completely from every other registered * option. * * @see ezcConsoleInput::registerOption() * * @param ezcConsoleOption $option The option object to unregister. * * @throws ezcConsoleOptionNotExistsException * If requesting a not registered option. * @return void */ public function unregisterOption( ezcConsoleOption $option ) { $found = false; foreach ( $this->options as $id => $existParam ) { if ( $existParam === $option ) { $found = true; unset( $this->options[$id] ); continue; } $existParam->removeAllExclusions( $option ); $existParam->removeAllDependencies( $option ); } if ( $found === false ) { throw new ezcConsoleOptionNotExistsException( $option->long ); } foreach ( $this->optionLong as $name => $existParam ) { if ( $existParam === $option ) { unset( $this->optionLong[$name] ); } } foreach ( $this->optionShort as $name => $existParam ) { if ( $existParam === $option ) { unset( $this->optionShort[$name] ); } } } /** * Removes an alias to an option. * * This function removes an alias with the short name $short and long * name $long. * * @see ezcConsoleInput::registerAlias() * * @throws ezcConsoleOptionNoAliasException * If the requested short/long name belongs to a real parameter instead. * * @param string $short * @param string $long * @return void * * @todo Check if $short and $long refer to the same option! */ public function unregisterAlias( $short, $long ) { foreach ( $this->options as $id => $option ) { if ( $option->short === $short ) { throw new ezcConsoleOptionNoAliasException( $short ); } if ( $option->long === $long ) { throw new ezcConsoleOptionNoAliasException( $long ); } } if ( isset( $this->optionShort[$short] ) ) { unset( $this->optionShort[$short] ); } if ( isset( $this->optionLong[$long] ) ) { unset( $this->optionLong[$long] ); } } /** * Returns the definition object for the option with the name $name. * * This method receives the long or short name of an option and * returns the ezcConsoleOption object. * * @param string $name Short or long name of the option (without - or --). * @return ezcConsoleOption * * @throws ezcConsoleOptionNotExistsException * If requesting a not registered parameter. */ public function getOption( $name ) { $name = $name; if ( isset( $this->optionShort[$name] ) ) { return $this->optionShort[$name]; } if ( isset( $this->optionLong[$name] ) ) { return $this->optionLong[$name]; } throw new ezcConsoleOptionNotExistsException( $name ); } /** * Process the input parameters. * * Actually process the input options and arguments according to the actual * settings. * * Per default this method uses $argc and $argv for processing. You can * override this setting with your own input, if necessary, using the * parameters of this method. (Attention, first argument is always the pro * gram name itself!) * * All exceptions thrown by this method contain an additional attribute "option" * which specifies the parameter on which the error occurred. * * @param array(string) $args The arguments * @return void * * @throws ezcConsoleOptionNotExistsException * If an option that was submitted does not exist. * @throws ezcConsoleOptionDependencyViolationException * If a dependency rule was violated. * @throws ezcConsoleOptionExclusionViolationException * If an exclusion rule was violated. * @throws ezcConsoleOptionTypeViolationException * If the type of a submitted value violates the options type rule. * @throws ezcConsoleOptionArgumentsViolationException * If arguments are passed although a parameter disallowed them. * * @see ezcConsoleOptionException */ public function process( array $args = null ) { if ( $this->processed ) { $this->reset(); } $this->processed = true; if ( !isset( $args ) ) { $args = isset( $argv ) ? $argv : isset( $_SERVER['argv'] ) ? $_SERVER['argv'] : array(); } $nextIndex = $this->processOptions( $args ); if ( $this->helpOptionSet() ) { // No need to parse arguments return; } $this->processArguments( $args, $nextIndex ); $this->checkRules(); $this->setOptionDefaults(); } /** * Sets defaults for options that have not been submitted. * * Checks all options if they have been submited. If not and a default * values is present, this is set as the options value. */ private function setOptionDefaults() { foreach ( $this->options as $option ) { if ( $option->value === false || $option->value === array() ) { // Default value to set? if ( $option->default !== null ) { $option->value = $option->default; } } } } /** * Reads the submitted options from $args array. * * Returns the next index to check for arguments. * * @param array(string) $args * @returns int * * @throws ezcConsoleOptionNotExistsException * if a submitted option does not exist. * @throws ezcConsoleOptionTooManyValuesException * if an option that expects only a single value was submitted * with multiple values. * @throws ezcConsoleOptionTypeViolationException * if an option was submitted with a value of the wrong type. * @throws ezcConsoleOptionMissingValueException * if an option thats expects a value was submitted without. */ private function processOptions( array $args ) { $numArgs = count( $args ); $i = 1; while ( $i < $numArgs ) { if ( $args[$i] === '--' ) { break; } // Equalize parameter handling (long params with =) if ( iconv_substr( $args[$i], 0, 2, 'UTF-8' ) == '--' ) { $this->preprocessLongOption( $args, $i ); // Update number of args, changed by preprocessLongOption() $numArgs = count( $args ); } // Check for parameter if ( iconv_substr( $args[$i], 0, 1, 'UTF-8' ) === '-' ) { if ( !$this->hasOption( preg_replace( '/^-*/', '', $args[$i] ) ) ) { throw new ezcConsoleOptionNotExistsException( $args[$i] ); } $this->processOption( $args, $i ); } // Must be the arguments else { break; } } // Move pointer over argument sign isset( $args[$i] ) && $args[$i] == '--' ? ++$i : $i; return $i; } /** * Resets all option and argument values. * * This method is called automatically by {@link process()}, if this method * is called twice or more, and may also be used to manually reset the * values of all registered {@ezcConsoleOption} and {@link * ezcConsoleArgument} objects. */ public function reset() { foreach ( $this->options as $option ) { $option->value = false; } if ( $this->argumentDefinition !== null ) { foreach ( $this->argumentDefinition as $argument ) { $argument->value = null; } } $this->arguments = array(); } /** * Returns true if an option with the given name exists, otherwise false. * * Checks if an option with the given name is registered. * * @param string $name Short or long name of the option. * @return bool True if option exists, otherwise false. */ public function hasOption( $name ) { try { $param = $this->getOption( $name ); } catch ( ezcConsoleOptionNotExistsException $e ) { return false; } return true; } /** * Returns an array of all registered options. * * Returns an array of all registered options in the following format: * <code> * array( * 0 => ezcConsoleOption, * 1 => ezcConsoleOption, * 2 => ezcConsoleOption, * ... * ); * </code> * * @return array(string=>ezcConsoleOption) Registered options. */ public function getOptions() { return $this->options; } /** * Returns the values of all submitted options. * * Returns an array of all values submitted to the options. The array is * indexed by the parameters short name (excluding the '-' prefix). The array * does not contain any parameter, which value is 'false' (meaning: the * parameter was not submitted). * * @param bool $longnames Wheather to use longnames for indexing. * @return array(string=>mixed) */ public function getOptionValues( $longnames = false ) { $res = array(); foreach ( $this->options as $param ) { if ( $param->value !== false ) { $res[( $longnames === true ) ? $param->long : $param->short] = $param->value; } } return $res; } /** * Returns arguments provided to the program. * * This method returns all arguments provided to a program in an * int indexed array. Arguments are sorted in the way * they are submitted to the program. You can disable arguments * through the 'arguments' flag of a parameter, if you want * to disallow arguments. * * Arguments are either the last part of the program call (if the * last parameter is not a 'multiple' one) or divided via the '--' * method which is commonly used on Unix (if the last parameter * accepts multiple values this is required). * * @return array(string) Arguments. */ public function getArguments() { return $this->arguments; } /** * Get help information for your options. * * This method returns an array of help information for your options, * indexed by int. Each help info has 2 fields: * * 0 => The options names ("<short> / <long>") * 1 => The help text (depending on the $long parameter) * * The $long options determines if you want to get the short or long help * texts. The array returned can be used by {@link ezcConsoleTable}. * * If using the second options, you can filter the options shown in the * help output (e.g. to show short help for related options). Provide * as simple number indexed array of short and/or long values to set a filter. * * The $paramGrouping option can be used to group options in the help * output. The structure of this array parameter is as follows: * * <code> * array( * 'First section' => array( * 'input', * 'output' * 'overwrite', * ), * 'Second section' => array( * 'v', * 'h', * ), * ) * </code> * * As can be seen, short option names are possible as well as long ones. * The key of the first array level is the name of the section, which is * assigned to an array of options to group under this section. The $params * parameter still influences if an option is displayed at all. * * @param bool $long * @param array(string) $params * @param array(string=>array(string)) $paramGrouping * @return array(array(string)) Table structure as explained. * * @apichange In future versions, the default values of $params will change * to null instead of an empty array. Giving an empty array for * these will then be taken literally. */ public function getHelp( $long = false, array $params = array(), array $paramGrouping = null ) { // New handling $params = ( $params === array() || $params === null ? null : $params ); $help = array(); if ( $paramGrouping === null ) { // Original handling $help = $this->getOptionHelpWithoutGrouping( $long, $params ); } else { $help = $this->getOptionHelpWithGrouping( $long, $params, $paramGrouping ); } if ( $this->argumentDefinition !== null ) { $help[] = array( "Arguments:", '' ); $argumentsHelp = $this->helpGenerator->generateArgumentHelp( $long ); if ( $argumentsHelp === array() ) { $help[] = array( '', "No arguments available." ); } else { $help = array_merge( $help, $argumentsHelp ); } } return $help; } /** * Creates the option help array in the original, ungrouped way. * * Creates the original help array generated by {@link getHelp()}. The * $long and $params options are the same as they are for this method. * * @param bool $long * @param array $params * @return array */ private function getOptionHelpWithoutGrouping( $long, $params ) { return $this->helpGenerator->generateUngroupedOptionHelp( $long, $params ); } /** * Generates options helo array with ordering and grouping. * * @param mixed $long * @param mixed $params * @param mixed $paramGrouping * @return array() */ private function getOptionHelpWithGrouping( $long, $params, $paramGrouping ) { $rawHelp = $this->helpGenerator->generateGroupedOptionHelp( $paramGrouping, $long, $params ); $help = array(); $first = true; foreach ( $rawHelp as $category => $optionsHelp ) { if ( !$first ) { $help[] = array( '', '' ); } else { $first = false; } $help[] = array( $category, '' ); $help = array_merge( $help, $optionsHelp ); } return $help; } /** * Get help information for your options as a table. * * This method provides the information returned by * {@link ezcConsoleInput::getHelp()} in a table. * * The $paramGrouping option can be used to group options in the help * output. The structure of this array parameter is as follows: * * <code> * array( * 'First section' => array( * 'input', * 'output' * 'overwrite', * ), * 'Second section' => array( * 'v', * 'h', * ), * ) * </code> * * As can be seen, short option names are possible as well as long ones. * The key of the first array level is the name of the section, which is * assigned to an array of options to group under this section. The $params * parameter still influences if an option as displayed at all. * * @param ezcConsoleTable $table The table object to fill. * @param bool $long Set this to true for getting the * long help version. * @param array(string) $params Set of option names to generate help * for, default is all. * @param array(string=>array(string)) $paramGrouping * @return ezcConsoleTable The filled table. */ public function getHelpTable( ezcConsoleTable $table, $long = false, array $params = array(), $paramGrouping = null ) { $help = $this->getHelp( $long, $params, $paramGrouping ); $i = 0; foreach ( $help as $row ) { $table[$i][0]->content = $row[0]; $table[$i++][1]->content = $row[1]; } return $table; } /** * Returns a standard help output for your program. * * This method generates a help text as it's commonly known from Unix * command line programs. The output will contain the synopsis, your * provided program description and the selected parameter help * as also provided by {@link ezcConsoleInput::getHelp()}. The returned * string can directly be printed to the console. * * The $paramGrouping option can be used to group options in the help * output. The structure of this array parameter is as follows: * * <code> * array( * 'First section' => array( * 'input', * 'output' * 'overwrite', * ), * 'Second section' => array( * 'v', * 'h', * ), * ) * </code> * * As can be seen, short option names are possible as well as long ones. * The key of the first array level is the name of the section, which is * assigned to an array of options to group under this section. The $params * parameter still influences if an option as displayed at all. * * @param string $programDesc The description of your program. * @param int $width The width to adjust the output text to. * @param bool $long Set this to true for getting the long * help version. * @param array(string) $params Set of option names to generate help * for, default is all. * @param array(string=>array(string)) $paramGrouping * @return string The generated help text. */ public function getHelpText( $programDesc, $width = 80, $long = false, array $params = null, $paramGrouping = null ) { $help = $this->getHelp( $long, ( $params == null ? array() : $params ), $paramGrouping ); // Determine max length of first column text. $maxLength = 0; foreach ( $help as $row ) { $maxLength = max( $maxLength, iconv_strlen( $row[0], 'UTF-8' ) ); } // Width of left column $leftColWidth = $maxLength + 2; // Width of righ column $rightColWidth = $width - $leftColWidth; $res = 'Usage: ' . $this->getSynopsis( $params ) . PHP_EOL; $res .= $this->stringTool->wordwrap( $programDesc, $width, PHP_EOL ); $res .= PHP_EOL . PHP_EOL; foreach ( $help as $row ) { $rowParts = explode( "\n", $this->stringTool->wordwrap( $row[1], $rightColWidth ) ); $res .= $this->stringTool->strPad( $row[0], $leftColWidth, ' ' ); $res .= $rowParts[0] . PHP_EOL; // @TODO: Fix function call in loop header for ( $i = 1; $i < sizeof( $rowParts ); $i++ ) { $res .= str_repeat( ' ', $leftColWidth ) . $rowParts[$i] . PHP_EOL; } } return $res; } /** * Returns the synopsis string for the program. * * This gives you a synopsis definition for the options and arguments * defined with this instance of ezcConsoleInput. You can filter the * options named in the synopsis by submitting their short names in an * array as the parameter of this method. If the parameter $optionNames * is set, only those options are listed in the synopsis. * * @param array(string) $optionNames * @return string */ public function getSynopsis( array $optionNames = null ) { return $this->helpGenerator->generateSynopsis( $optionNames ); } /** * Returns if a help option was set. * This method returns if an option was submitted, which was defined to be * a help option, using the isHelpOption flag. * * @return bool If a help option was set. */ public function helpOptionSet() { return $this->helpOptionSet; } /** * Property read access. * * @throws ezcBasePropertyNotFoundException * If the the desired property is not found. * * @param string $propertyName Name of the property. * @return mixed Value of the property or null. * @ignore */ public function __get( $propertyName ) { if ( !isset( $this->$propertyName ) ) { throw new ezcBasePropertyNotFoundException( $propertyName ); } return $this->properties[$propertyName]; } /** * Property set access. * * @param string $propertyName * @param string $propertyValue * @ignore * @return void */ public function __set( $propertyName, $propertyValue ) { switch ( $propertyName ) { case "argumentDefinition": if ( ( $propertyValue instanceof ezcConsoleArguments ) === false && $propertyValue !== null ) { throw new ezcBaseValueException( $propertyName, $propertyValue, "ezcConsoleArguments" ); } break; default: throw new ezcBasePropertyNotFoundException( $propertyName ); } $this->properties[$propertyName] = $propertyValue; } /** * Property isset access. * * @param string $propertyName Name of the property. * @return bool True if the property is set, otherwise false. * @ignore */ public function __isset( $propertyName ) { return array_key_exists( $propertyName, $this->properties ); } /** * Returns the synopsis string for a single option and its dependencies. * * This method returns a part of the program synopsis, specifically for a * certain parameter. The method recursively adds depending parameters up * to the 2nd depth level to the synopsis. The second parameter is used * to store the short names of all options that have already been used in * the synopsis (to avoid adding an option twice). The 3rd parameter * determines the actual deps in the option dependency recursion to * terminate that after 2 recursions. * * @param ezcConsoleOption $option The option to include. * @param array(string) $usedOptions Array of used option short names. * @param int $depth Current recursion depth. * @return string The synopsis for this parameter. * * @apichange This method is deprecates. Implement your own {@link * ezcConsoleInputHelpGenerator} instead, as soon as the * interface is made public. */ protected function createOptionSynopsis( ezcConsoleOption $option, &$usedOptions, $depth = 0 ) { $synopsis = ''; // Break after a nesting level of 2 if ( $depth++ > 2 || ( in_array( $option->short, $usedOptions['short'] ) && in_array( $option->long, $usedOptions['long'] ) ) ) return $synopsis; $usedOptions['short'][] = $option->short; $usedOptions['long'][] = $option->long; $synopsis .= $option->short !== "" ? "-{$option->short}" : "--{$option->long}"; if ( isset( $option->default ) ) { $synopsis .= " " . ( $option->type === ezcConsoleInput::TYPE_STRING ? '"' : '' ) . $option->default . ( $option->type === ezcConsoleInput::TYPE_STRING ? '"' : '' ); } else if ( $option->type !== ezcConsoleInput::TYPE_NONE ) { $synopsis .= " "; switch ( $option->type ) { case ezcConsoleInput::TYPE_STRING: $synopsis .= "<string>"; break; case ezcConsoleInput::TYPE_INT: $synopsis .= "<int>"; break; } } foreach ( $option->getDependencies() as $rule ) { $deeperSynopsis = $this->createOptionSynopsis( $rule->option, $usedOptions, $depth ); $synopsis .= ( iconv_strlen( trim( $deeperSynopsis ), 'UTF-8' ) > 0 ? ' ' . $deeperSynopsis : '' ); } if ( $option->arguments === false ) { $allowsArgs = false; } // Make the whole thing optional? if ( $option->mandatory === false ) { $synopsis = "[$synopsis]"; } return $synopsis . ' '; } /** * Process an option. * * This method does the processing of a single option. * * @param array(string) $args The arguments array. * @param int $i The current position in the arguments array. * @return void * * @throws ezcConsoleOptionTooManyValuesException * If an option that expects only a single value was submitted * with multiple values. * @throws ezcConsoleOptionTypeViolationException * If an option was submitted with a value of the wrong type. * @throws ezcConsoleOptionMissingValueException * If an option thats expects a value was submitted without. */ private function processOption( array $args, &$i ) { $option = $this->getOption( preg_replace( '/^-+/', '', $args[$i++] ) ); // Is the actual option a help option? if ( $option->isHelpOption === true ) { $this->helpOptionSet = true; } // No value expected if ( $option->type === ezcConsoleInput::TYPE_NONE ) { // No value expected if ( isset( $args[$i] ) && iconv_substr( $args[$i], 0, 1, 'UTF-8' ) !== '-' && sizeof( $args ) > ( $i + 1 ) ) { // But one found throw new ezcConsoleOptionTypeViolationException( $option, $args[$i] ); } // Multiple occurance possible if ( $option->multiple === true ) { $option->value[] = true; } else { $option->value = true; } // Everything fine, nothing to do return $i; } // Value expected, check for it if ( isset( $args[$i] ) && iconv_substr( $args[$i], 0, 1, 'UTF-8' ) !== '-' ) { // Type check if ( $this->isCorrectType( $option->type, $args[$i] ) === false ) { throw new ezcConsoleOptionTypeViolationException( $option, $args[$i] ); } // Multiple values possible if ( $option->multiple === true ) { $option->value[] = $args[$i]; } // Only single value expected, check for multiple elseif ( isset( $option->value ) && $option->value !== false ) { throw new ezcConsoleOptionTooManyValuesException( $option ); } else { $option->value = $args[$i]; } $i++; } // Value found? If not, use default, if available if ( !isset( $option->value ) || $option->value === false || ( is_array( $option->value ) && count( $option->value ) === 0) ) { throw new ezcConsoleOptionMissingValueException( $option ); } } /** * Process arguments given to the program. * * @param array(string) $args The arguments array. * @param int $i Current index in arguments array. * @return void */ private function processArguments( array $args, &$i ) { $numArgs = count( $args ); if ( $this->argumentDefinition === null || $this->argumentsAllowed() === false ) { // Old argument handling, also used of a set option sets disallowing arguments while ( $i < $numArgs ) { $this->arguments[] = $args[$i++]; } } else { $mandatory = true; foreach ( $this->argumentDefinition as $arg ) { // Check if all followinga arguments are optional if ( $arg->mandatory === false ) { $mandatory = false; } // Check if the current argument is present and mandatory if ( $mandatory === true ) { if ( !isset( $args[$i] ) ) { throw new ezcConsoleArgumentMandatoryViolationException( $arg ); } } else { // Arguments are optional, if no more left: return. if ( !isset( $args[$i] ) ) { // Optional and no more arguments left, assign default $arg->value = $arg->default; continue; } } if ( $arg->multiple === true ) { $arg->value = array(); for ( $i = $i; $i < $numArgs; ++$i ) { if ( $this->isCorrectType( $arg->type, $args[$i] ) === false ) { throw new ezcConsoleArgumentTypeViolationException( $arg, $args[$i] ); } $arg->value = array_merge( $arg->value, array( $args[$i] ) ); // Keep old handling, too $this->arguments[] = $args[$i]; } return; } else { if ( $this->isCorrectType( $arg->type, $args[$i] ) === false ) { throw new ezcConsoleArgumentTypeViolationException( $arg, $args[$i] ); } $arg->value = $args[$i]; // Keep old handling, too $this->arguments[] = $args[$i]; } ++$i; } if ( $i < $numArgs ) { throw new ezcConsoleTooManyArgumentsException( $args, $i ); } } } /** * Returns if arguments are allowed with the current option submition. * * @return bool If arguments allowed. */ protected function argumentsAllowed() { foreach ( $this->options as $id => $option ) { if ( $option->value !== false && $option->arguments === false ) { return false; } } return true; } /** * Check the rules that may be associated with an option. * * Options are allowed to have rules associated for dependencies to other * options and exclusion of other options or arguments. This method * processes the checks. * * @throws ezcConsoleException * in case validation fails. */ private function checkRules() { // If a help option is set, skip rule checking if ( $this->helpOptionSet === true ) { return; } $this->validator->validateOptions( $this->options, ( $this->arguments !== array() ) ); } /** * Checks if a value is of a given type. Converts the value to the * correct PHP type on success. * * @param int $type The type to check for. One of self::TYPE_*. * @param string $val The value to check. Will possibly altered! * @return bool True on succesful check, otherwise false. */ private function isCorrectType( $type, &$val ) { $res = false; switch ( $type ) { case ezcConsoleInput::TYPE_STRING: $res = true; $val = preg_replace( '/^(["\'])(.*)\1$/', '\2', $val ); break; case ezcConsoleInput::TYPE_INT: $res = preg_match( '/^[0-9]+$/', $val ) ? true : false; if ( $res ) { $val = ( int ) $val; } break; } return $res; } /** * Split parameter and value for long option names. * * This method checks for long options, if the value is passed using =. If * this is the case parameter and value get split and replaced in the * arguments array. * * @param array(string) $args The arguments array * @param int $i Current arguments array position * @return void */ private function preprocessLongOption( array &$args, $i ) { // Value given? if ( preg_match( '/^--\w+\=[^ ]/i', $args[$i] ) ) { // Split param and value and replace current param $parts = explode( '=', $args[$i], 2 ); array_splice( $args, $i, 1, $parts ); } } } ?>
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