Agavi\Date\DateFormat

Complexity

Total Complexity

229

Size/Duplication

Total Lines	1065
Duplicated Lines	19.91 %

Coupling/Cohesion

Components	1
Dependencies	7

Importance

Changes

0

13 Methods

Rating	Name	Duplication	Size	Complexity
A	__construct()	0	6	2
A	initialize()	0	4	1
A	getContext()	0	4	1
A	getFormat()	0	4	1
A	setFormat()	0	4	1
A	setLocalizedFormat()	0	3	1
F	format()	116	287	72
A	getGmtZoneString()	0	16	2
C	internalParseFormat()	17	68	14
F	parse()	79	317	96
B	getDateFieldFromTokenType()	0	37	2
A	matchStringWithFallbacks()	0	16	4
C	getTokenType()	0	56	32

<?php
namespace Agavi\Date;

// +---------------------------------------------------------------------------+
// | This file is part of the Agavi package.                                   |
// | Copyright (c) 2005-2011 the Agavi Project.                                |
// |                                                                           |
// | For the full copyright and license information, please view the LICENSE   |
// | file that was distributed with this source code. You can also view the    |
// | LICENSE file online at http://www.agavi.org/LICENSE.txt                   |
// |   vi: set noexpandtab:                                                    |
// |   Local Variables:                                                        |
// |   indent-tabs-mode: t                                                     |
// |   End:                                                                    |
// +---------------------------------------------------------------------------+
use Agavi\Core\Context;
use Agavi\Exception\AgaviException;
use Agavi\Translation\Locale;

/**
 * This class lets your format date and time according to a given format
 * definition.
 *
 * @package    agavi
 * @subpackage util
 *
 * @author     Dominik del Bondio <ddb@bitxtender.com>
 * @copyright  Authors
 * @copyright  The Agavi Project
 *
 * @since      0.11.0
 *
 * @version    $Id$
 */
class DateFormat
{
    /**
     * @var        string The format string given by the user
     */
    protected $originalFormatString = null;

    /**
     * @var        string The format string which will be given to sprintf
     */
    protected $formatString = '';

    /**
     * @var        Context An Context instance.
     */
    protected $context = null;

    /**
     * Constructs a new date formatter.
     *
     * @param      string $format Format to be used for formatting.
     *
     * @author     Dominik del Bondio <ddb@bitxtender.com>
     * @since      0.11.0
     */
    public function __construct($format = null)
    {
        if ($format) {

The expression $format of type string|null is loosely compared to true; this is ambiguous if the string can be empty. You might want to explicitly use !== null instead.

            $this->setFormat($format);
        }
    }
    
    /**
     * Initialize this Format.
     *
     * @param      Context $context The current application context.
     * @param      array   $parameters An associative array of initialization parameters
     *
     * @author     Dominik del Bondio <dominik.del.bondio@bitextender.com>
     * @since      1.0.0
     */
    public function initialize(Context $context, array $parameters = array())
    {
        $this->context = $context;
    }
    
    /**
     * Retrieve the current application context.
     *
     * @return     Context The current Context instance.
     *
     * @author     Dominik del Bondio <dominik.del.bondio@bitextender.com>
     * @since      1.0.0
     */
    final public function getContext()
    {
        return $this->context;
    }
    

    const T_TEXT                  = -1;

    const T_ERA                   = 0;
    const T_YEAR                  = 1;
    const T_MONTH                 = 2;
    const T_DATE                  = 3;
    const T_HOUR_1_24             = 4;
    const T_HOUR_0_23             = 5;
    const T_MINUTE                = 6;
    const T_SECOND                = 7;
    const T_FRACTIONAL_SECOND     = 8;
    const T_DAY_OF_WEEK           = 9;
    const T_DAY_OF_YEAR           = 10;
    const T_DAY_OF_WEEK_IN_MONTH  = 11;
    const T_WEEK_OF_YEAR          = 12;
    const T_WEEK_OF_MONTH         = 13;
    const T_AM_PM                 = 14;
    const T_HOUR_1_12             = 15;
    const T_HOUR_0_11             = 16;
    const T_TIMEZONE              = 17;
    const T_ISO_YEAR              = 18;
    const T_LOCAL_DAY_OF_WEEK     = 19;
    const T_EXTENDED_YEAR         = 20;
    const T_MODIFIED_JD           = 21;
    const T_MS_IN_DAY             = 22;
    const T_TIMEZONE_RFC          = 23;
    const T_TIMEZONE_GENERIC      = 24;
    const T_SA_LOCAL_DAY_OF_WEEK  = 25;
    const T_SA_MONTH              = 26;
    const T_QUARTER               = 27;
    const T_SA_QUARTER            = 28;

    /**
     * @var        array The default mapping of format characters to their
     *                   meanings.
     */
    protected static $defaultMap = array(
        'G' => self::T_ERA,
        'y' => self::T_YEAR,
        'M' => self::T_MONTH,
        'd' => self::T_DATE,
        'k' => self::T_HOUR_1_24,
        'H' => self::T_HOUR_0_23,
        'm' => self::T_MINUTE,
        's' => self::T_SECOND,
        'S' => self::T_FRACTIONAL_SECOND,
        'E' => self::T_DAY_OF_WEEK,
        'D' => self::T_DAY_OF_YEAR,
        'F' => self::T_DAY_OF_WEEK_IN_MONTH,
        'w' => self::T_WEEK_OF_YEAR,
        'W' => self::T_WEEK_OF_MONTH,
        'a' => self::T_AM_PM,
        'h' => self::T_HOUR_1_12,
        'K' => self::T_HOUR_0_11,
        'z' => self::T_TIMEZONE,
        'Y' => self::T_ISO_YEAR,
        'e' => self::T_LOCAL_DAY_OF_WEEK,
        'u' => self::T_EXTENDED_YEAR,
        'g' => self::T_MODIFIED_JD,
        'A' => self::T_MS_IN_DAY,
        'Z' => self::T_TIMEZONE_RFC,
        'v' => self::T_TIMEZONE_GENERIC,
        'c' => self::T_SA_LOCAL_DAY_OF_WEEK,
        'L' => self::T_SA_MONTH,
        'Q' => self::T_QUARTER,
        'q' => self::T_SA_QUARTER,
    );

    /**
     * @var        array The list of tokens in the format.
     */
    protected $tokenList;

    /**
     * Returns the format which is currently used to format dates.
     *
     * @return     string The current format.
     *
     * @author     Dominik del Bondio <ddb@bitxtender.com>
     * @since      0.11.0
     */
    public function getFormat()
    {
        return $this->originalFormatString;
    }

    /**
     * Sets the format which should be used.
     *
     * @param      string $format Format to be used for formatting.
     *
     * @author     Dominik del Bondio <ddb@bitxtender.com>
     * @since      0.11.0
     */
    public function setFormat($format)
    {
        $this->internalParseFormat($format, self::$defaultMap);
    }

    /**
     * Sets the format which should be used. This will use the the format
     * characters specified in the locale instead the default ones.
     *
     * NOTE: this function is not implemented yet!
     *
     * @param      string $format Format to be used for formatting.
     * @param      Locale $locale The locale.
     *
     * @author     Dominik del Bondio <ddb@bitxtender.com>
     * @since      0.11.0
     */
    public function setLocalizedFormat($format, Locale $locale)

The parameter $format is not used and could be removed.

The parameter $locale is not used and could be removed.

    {
    }

    /**
     * Formats a given date.
     *
     * @param      mixed $data           The date. This can either be an array containing all the
     *                                   needed info with the AgaviDateDefinitions constants as
     *                                   keys or an unix timestamp (doesn't work yet!) or a
     *                                   Calendar instance.
     * @param      string $calendarType  The calendar type this date should be formatted in
     *                                   (this will usually be gregorian)
     * @param      Locale|string $locale The locale to format the date in.
     *
     * @return     string The formatted date.
     *
     * @author     Dominik del Bondio <ddb@bitxtender.com>
     * @since      0.11.0
     */
    public function format($data, $calendarType = Calendar::GREGORIAN, $locale = null)
    {
        if ($locale instanceof Locale) {

This code seems to be duplicated across your project.

            $tm = $locale->getContext()->getTranslationManager();
        } elseif ($this->context) {
            $tm = $this->context->getTranslationManager();
            if ($locale) {

The expression $locale of type string|null is loosely compared to true; this is ambiguous if the string can be empty. You might want to explicitly use !== null instead.

                $locale = $tm->getLocale($locale);
            } else {
                $locale = $tm->getCurrentLocale();
            }
        } else {
            throw new \InvalidArgumentException('This AgaviDateFormat has not been initialize()d. To be able to pass a string as locale you need to call initialize() or create this DateFormat using TranslationManager::createDateFormat()');
        }
        
        $tzid = null;

$tzid is not used, you could remove the assignment.

        if ($locale->getLocaleTimeZone()) {
            // use the timezone from the current/provided locale if available
            $tzid = $tm->resolveTimeZoneId($locale->getLocaleTimeZone());
        } else {
            // otherwise use the default timezone
            $tzid = $tm->getDefaultTimeZone()->getResolvedId();
        }
        
        $cal = null;
        // remember if cloning the calendar is required on changes
        // (this is only true if the calendar was passed to this method and not
        // implicitly created)
        $calNeedsClone = false;
        if ($data instanceof Calendar) {
            $cal = $data;
            $calNeedsClone = true;
        } elseif ($data instanceof \DateTime) {
            $cal = $this->context->getTranslationManager()->createCalendar($data);
        } elseif (is_int($data)) {
            $cal = $this->context->getTranslationManager()->createCalendar($locale);
            $cal->setUnixTimestamp($data);
        } elseif (is_array($data)) {
            $cal = $tm->createCalendar();
            $cal->fromArray($data);
        } else {
            // $data is most likely a string a this point (or something which can be
            // implicitly converted to a string, so there is no explicit is_string check)
            try {
                // maybe it is a date/time string we can parse...
                $cal = $tm->createCalendar(new \DateTime($data));
            } catch (\Exception $e) {
                // err... no, it isn't. try to use the message as a calendar name
                $cal = $tm->createCalendar($data);
            }
        }
        
        if ($tzid != $cal->getTimeZone()->getResolvedId()) {
            // the requested timezone for use in the output differs from the timezone
            // set in the calendar: make the calendar reside in the new timezone
            // so it calculates the correct date values for that timezone
            
            if ($calNeedsClone) {
                $cal = clone $cal;
            }
            $cal->setTimeZone($tm->createTimeZone($tzid));
        }
        
        $data = $cal->toArray();
        
        $out = '';

        foreach ($this->tokenList as $token) {
            $count = $token[1];
            switch ($token[0]) {
                case self::T_TEXT:
                    $out .= $token[1];
                    break;

                case self::T_ERA:

This code seems to be duplicated across your project.

                    $era = $data[DateDefinitions::ERA];
                    if ($count == 4) {
                        $out .= $locale->getCalendarEraWide($calendarType, $era);
                    } elseif ($count == 5) {
                        $out .= $locale->getCalendarEraNarrow($calendarType, $era);
                    } else {
                        $out .= $locale->getCalendarEraAbbreviated($calendarType, $era);
                    }
                    break;

                case self::T_YEAR:

This code seems to be duplicated across your project.

                    $year = $data[DateDefinitions::YEAR];
                    if ($count == 2) {
                        // strip year to 2 chars
                        $year = $year % 100;
                    }
                    $out .= str_pad($year, $count, '0', STR_PAD_LEFT);
                    break;

                case self::T_MONTH:
                case self::T_SA_MONTH:

This code seems to be duplicated across your project.

                    $month = $data[DateDefinitions::MONTH] + 1;
                    if ($count == 3) {
                        $out .= $locale->getCalendarMonthAbbreviated($calendarType, $month);
                    } elseif ($count == 4) {
                        $out .= $locale->getCalendarMonthWide($calendarType, $month);
                    } elseif ($count == 5) {
                        $out .= $locale->getCalendarMonthNarrow($calendarType, $month);
                    } else {
                        $out .= str_pad($month, $count, '0', STR_PAD_LEFT);
                    }
                    break;

                case self::T_DATE:

This code seems to be duplicated across your project.

                    $out .= str_pad($data[DateDefinitions::DATE], $count, '0', STR_PAD_LEFT);
                    break;

                case self::T_HOUR_1_24:

This code seems to be duplicated across your project.

                    $hour = $data[DateDefinitions::HOUR_OF_DAY];
                    $out .= str_pad($hour == 0 ? 24 : $hour, $count, '0', STR_PAD_LEFT);
                    break;

                case self::T_HOUR_0_23:

This code seems to be duplicated across your project.

                    $out .= str_pad($data[DateDefinitions::HOUR_OF_DAY], $count, '0', STR_PAD_LEFT);
                    break;

                case self::T_MINUTE:

This code seems to be duplicated across your project.

                    $out .= str_pad($data[DateDefinitions::MINUTE], $count, '0', STR_PAD_LEFT);
                    break;

                case self::T_SECOND:

This code seems to be duplicated across your project.

                    $out .= str_pad($data[DateDefinitions::SECOND], $count, '0', STR_PAD_LEFT);
                    break;

                case self::T_FRACTIONAL_SECOND:

This code seems to be duplicated across your project.

                    $value = str_pad($data[DateDefinitions::MILLISECOND], 3, '0', STR_PAD_LEFT);
                    $value = substr($value, 0, $count);
                    $out .= $value;
                    break;

                case self::T_DAY_OF_WEEK:

This code seems to be duplicated across your project.

                    $dow = $data[DateDefinitions::DAY_OF_WEEK];
                    if ($count == 4) {
                        $out .= $locale->getCalendarDayWide($calendarType, $dow);
                    } elseif ($count == 5) {
                        $out .= $locale->getCalendarDayNarrow($calendarType, $dow);
                    } else {
                        $out .= $locale->getCalendarDayAbbreviated($calendarType, $dow);
                    }
                    break;

                case self::T_DAY_OF_YEAR:

This code seems to be duplicated across your project.

                    $out .= str_pad($data[DateDefinitions::DAY_OF_YEAR], $count, '0', STR_PAD_LEFT);
                    break;

                case self::T_DAY_OF_WEEK_IN_MONTH:

This code seems to be duplicated across your project.

                    $out .= str_pad($data[DateDefinitions::DAY_OF_WEEK_IN_MONTH], $count, '0', STR_PAD_LEFT);
                    break;

                case self::T_WEEK_OF_YEAR:

This code seems to be duplicated across your project.

                    $out .= str_pad($data[DateDefinitions::WEEK_OF_YEAR], $count, '0', STR_PAD_LEFT);
                    break;

                case self::T_WEEK_OF_MONTH:

This code seems to be duplicated across your project.

                    $out .= str_pad($data[DateDefinitions::WEEK_OF_MONTH], $count, '0', STR_PAD_LEFT);
                    break;

                case self::T_AM_PM:
                    $isPm = $data[DateDefinitions::AM_PM];
                    if ($isPm) {
                        $out .= $locale->getCalendarPm($calendarType);
                    } else {
                        $out .= $locale->getCalendarAm($calendarType);
                    }
                    break;

                case self::T_HOUR_1_12:

This code seems to be duplicated across your project.

                    $hour = $data[DateDefinitions::HOUR];
                    $out .= str_pad($hour == 0 ? 12 : $hour, $count, '0', STR_PAD_LEFT);
                    break;

                case self::T_HOUR_0_11:

This code seems to be duplicated across your project.

                    $out .= str_pad($data[DateDefinitions::HOUR], $count, '0', STR_PAD_LEFT);
                    break;

                case self::T_TIMEZONE:
                case self::T_TIMEZONE_GENERIC:
                    if (!$tzid) {
                        $out .= $this->getGmtZoneString($data);
                    } else {
                        $displayString = '';

$displayString is not used, you could remove the assignment.

                        if ($token[0] == self::T_TIMEZONE_GENERIC) {
                            if ($count < 4) {
                                $displayString = $locale->getTimeZoneShortGenericName($tzid);
                            } else {
                                $displayString = $locale->getTimeZoneLongGenericName($tzid);
                            }
                            // if we don't have the generic data available
                            if (!$displayString && strlen($tzid) > 2 && strpos($tzid, '/') !== false && strncmp($tzid, 'Etc', 3) != 0) {
                                $hasMultiple = false;
                                $territory = $tm->getTimeZoneTerritory($tzid, $hasMultiple);

$territory is not used, you could remove the assignment.

                                // TODO: there are lots of rules in the ldml spec which could be covered here too
                                $displayString = $tzid;
                            }
                        } else {
                            if ($data[DateDefinitions::DST_OFFSET] != 0) {
                                if ($count < 4) {
                                    $displayString = $locale->getTimeZoneShortDaylightName($tzid);
                                } else {
                                    $displayString = $locale->getTimeZoneLongDaylightName($tzid);
                                }
                            } else {
                                if ($count < 4) {
                                    $displayString = $locale->getTimeZoneShortStandardName($tzid);
                                } else {
                                    $displayString = $locale->getTimeZoneLongStandardName($tzid);
                                }
                            }
                        }

                        if (!$displayString) {
                            $out .= $this->getGmtZoneString($data);
                        } else {
                            $out .= $displayString;
                        }
                    }
                    break;

                case self::T_ISO_YEAR:

This code seems to be duplicated across your project.

                    $out .= str_pad($data[DateDefinitions::YEAR_WOY], $count, '0', STR_PAD_LEFT);
                    break;

                case self::T_LOCAL_DAY_OF_WEEK:
                case self::T_SA_LOCAL_DAY_OF_WEEK:

This code seems to be duplicated across your project.

                    $dow = $data[DateDefinitions::DOW_LOCAL];
                    if ($count == 4) {
                        $out .= $locale->getCalendarDayWide($calendarType, $dow);
                    } elseif ($count == 5) {
                        $out .= $locale->getCalendarDayNarrow($calendarType, $dow);
                    } elseif ($count == 3) {
                        $out .= $locale->getCalendarDayAbbreviated($calendarType, $dow);
                    } else {
                        $out .= str_pad($dow, $count, '0', STR_PAD_LEFT);
                    }
                    break;

                case self::T_EXTENDED_YEAR:

This code seems to be duplicated across your project.

                    $out .= str_pad($data[DateDefinitions::EXTENDED_YEAR], $count, '0', STR_PAD_LEFT);
                    break;

                case self::T_MODIFIED_JD:

This code seems to be duplicated across your project.

                    $out .= str_pad($data[DateDefinitions::JULIAN_DAY], $count, '0', STR_PAD_LEFT);
                    break;

                case self::T_MS_IN_DAY:

This code seems to be duplicated across your project.

                    $out .= str_pad($data[DateDefinitions::MILLISECONDS_IN_DAY], $count, '0', STR_PAD_LEFT);
                    break;

                case self::T_TIMEZONE_RFC:
                    if ($count > 3) {
                        $out .= $this->getGmtZoneString($data);
                    } else {
                        $sign = '+';

                        $value = ($data[DateDefinitions::ZONE_OFFSET] + $data[DateDefinitions::DST_OFFSET]) / DateDefinitions::MILLIS_PER_MINUTE;
                        if ($value < 0) {
                            $value = -$value;
                            $sign = '-';
                        }

                        $value = ($value / 3) * 5 + ($value % 60); // minutes => KKmm
                        $out .= $sign . str_pad($value, 4, '0', STR_PAD_LEFT);
                    }
                    break;

                case self::T_QUARTER:
                case self::T_SA_QUARTER:
                    $quarter = (int)($data[DateDefinitions::MONTH] / 3);
                    if ($count == 3) {
                        $out .= $locale->getCalendarQuarterAbbreviated($calendarType, $quarter);
                    } elseif ($count == 4) {
                        $out .= $locale->getCalendarQuarterWide($calendarType, $quarter);
                    } else {
                        $out .= str_pad($quarter, $count, '0', STR_PAD_LEFT);
                    }
                    break;
            }
        }

        return $out;
    }

    /**
     * Returns the GMT-+hhmm string for a the offset given in data.
     *
     * @param      array $data Date information.
     *
     * @return     string The timezone string.
     *
     * @author     Dominik del Bondio <ddb@bitxtender.com>
     * @since      0.11.0
     */
    protected function getGmtZoneString(array $data)
    {
        $value = $data[DateDefinitions::ZONE_OFFSET] + $data[DateDefinitions::DST_OFFSET];

        if ($value < 0) {
            $str = 'GMT-';
            $value = -$value; // suppress the '-' sign for text display.
        } else {
            $str = 'GMT+';
        }

        $str .=     str_pad((int) ($value / DateDefinitions::MILLIS_PER_HOUR), 2, '0', STR_PAD_LEFT)
                        . ':'
                        . str_pad((int) (($value % DateDefinitions::MILLIS_PER_HOUR) / DateDefinitions::MILLIS_PER_MINUTE), 2, '0', STR_PAD_LEFT);
        return $str;
    }

    /**
     * Parses the format with the given character to token map.
     *
     * @param      string $format         The format to parse.
     * @param      array  $charToTokenMap The character to token map.
     *
     * @author     Dominik del Bondio <ddb@bitxtender.com>
     * @since      0.11.0
     */
    protected function internalParseFormat($format, array $charToTokenMap)
    {
        if ($this->originalFormatString == $format) {
            return;
        }
        $this->originalFormatString = $format;

        $this->tokenList = array();
        $tokenIdx = 0;

        $escapeStr = '';

        $inEscape = false;
        $fLen = strlen($format);
        for ($i = 0; $i < $fLen; ++$i) {
            $c = $format[$i];
            $cNext = ($i + 1 < $fLen) ? $format[$i+1] : '';

            if ($inEscape) {
                if ($c == '\'') {
                    if ('\'' == $cNext) {

This code seems to be duplicated across your project.

                        $escapeStr .= '\'';
                        ++$i;
                    } else {
                        $inEscape = false;
                        $this->tokenList[$tokenIdx] = array(self::T_TEXT, $escapeStr);
                        ++$tokenIdx;
                        $escapeStr = '';
                    }
                } else {
                    $escapeStr .= $c;
                }
            } else {
                if ($c == '\'') {
                    if ($cNext == '\'') {

This code seems to be duplicated across your project.

                        $this->tokenList[$tokenIdx] = array(self::T_TEXT, $c);
                        ++$tokenIdx;
                        ++$i;
                    } else {
                        $escapeStr = '';
                        $inEscape = true;
                    }
                } else {
                    if (preg_match('#[a-z]#i', $c)) {
                        if (isset($charToTokenMap[$c])) {
                            $tok = $charToTokenMap[$c];
                            if ($tokenIdx > 0 && $this->tokenList[$tokenIdx - 1][0] == $tok) {
                                // increase the tokencount if the last token was the same as this
                                ++$this->tokenList[$tokenIdx - 1][1];
                            } else {
                                $this->tokenList[$tokenIdx] = array($tok, 1);
                                ++$tokenIdx;
                            }
                        } else {
                            throw new \Agavi\Exception\AgaviException('Unknown pattern char "' . $c . '" (#'. ord($c) . ') in format string "' . $format . '" at index ' . $i);
                        }
                    } else {
                        $this->tokenList[$tokenIdx] = array(self::T_TEXT, $c);
                        ++$tokenIdx;
                    }
                }
            }
        }
        if ($escapeStr) {
            $this->tokenList[$tokenIdx] = array(self::T_TEXT, $escapeStr);
            ++$tokenIdx;
        }
    }

    /**
     * Parses a string into an calendar object. Note that this doesn't fallback to
     * the English locale.
     *
     * @param      string $dateString The string containing the date.
     * @param      mixed $locale The locale name or instance which should be used for
     *                   parsing local day, month, etc names.
     * @param      bool $strict Whether the parsing should be strict. (not allowing
     *                  numbers to exceed the defined length, not allowing missing
     *                  additional parts). The returned calendar object will be
     *                  non-lenient.
     *
     * @return     Calendar The calendar object.
     *
     * @author     Dominik del Bondio <ddb@bitxtender.com>
     * @since      0.11.0
     */
    public function parse($dateString, $locale = null, $strict = false)
    {
        if ($locale instanceof Locale) {

This code seems to be duplicated across your project.

            $tm = $locale->getContext()->getTranslationManager();
        } elseif ($this->context) {
            $tm = $this->context->getTranslationManager();
            if ($locale) {
                $locale = $tm->getLocale($locale);
            } else {
                $locale = $tm->getCurrentLocale();
            }
        } else {
            throw new \InvalidArgumentException('This DateFormat has not been initialize()d. To be able to pass a string as locale you need to call initialize() or create this DateFormat using TranslationManager::createDateFormat()');
        }
        
        $cal = $tm->createCalendar($locale);
        // we need to extract the era from the current date and set that
        // era after reinitialising the calendar because if this is not
        // done all dates would be BC instead of AD
        $era = $cal->get(DateDefinitions::ERA);
        $cal->clear();
        $cal->set(DateDefinitions::ERA, $era);

        if ($strict) {
            $cal->setLenient(false);
        }

        // TODO: let user chose calendar type when more calendars exist
        $calendarType = Calendar::GREGORIAN;
        $datePos = 0;

        $unprocessedTokens = array();

$unprocessedTokens is not used, you could remove the assignment.

        $tlCount = count($this->tokenList);
        for ($i = 0; $i < $tlCount; ++$i) {
            if ($datePos >= strlen($dateString)) {

This code seems to be duplicated across your project.

                if ($strict) {
                    throw new AgaviException('Input string "' . $dateString . '" is to short');
                }
                break;
            }

            $token = $this->tokenList[$i];
            $type = $this->getTokenType($token);
            // this and the next token are numbers
            if ($type == 'number' && $i + 1 < $tlCount && $this->getTokenType($this->tokenList[$i + 1]) == 'number') {
                $unprocessedTokens = array($token);

                // store all abutting numerical tokens for later processing
                do {
                    ++$i;
                    $unprocessedTokens[] = $this->tokenList[$i];
                } while ($i + 1 < $tlCount && $this->getTokenType($this->tokenList[$i + 1]) == 'number');

                // retrieve the amount of number characters at our current parse position
                $numberLen = strspn($dateString, '0123456789', $datePos);

                // calculate the length the numbers should have from the tokens
                $tokenReqLen = 0;
                foreach ($unprocessedTokens as $tk) {
                    $tokenReqLen += $tk[1];
                }

                // we mimic the ICU behaviour here which only decrements the count of
                // the first token (from ICU:  Take the pattern "HHmmss" as an example.
                // We will try to parse 2/2/2 characters of the input text, then if that
                // fails, 1/2/2.  We only adjust the width of the leftmost field; the
                // others remain fixed.)
                // I'm not sure why they are doing it that way since i think that
                // decrementing the next tokens when there still aren't enough numbers
                // wouldn't do any harm (ok, maybe the algorithm is a little harder to
                // implement ;) - Dominik

                $diff = $tokenReqLen - $numberLen;
                if ($diff > 0) {
                    // use a reference here so we can simply store the new token length into $tLen
                    $tLen =& $unprocessedTokens[0][1];
                    if ($diff >= $tLen - 1) {
                        $tLen -= $diff;
                    } else {
                        throw new AgaviException('Not enough digits given in "' . $dateString . '" at pos ' . $datePos . ' (expected ' . $tokenReqLen . ' digits)');
                    }
                }

                foreach ($unprocessedTokens as $token) {
                    $dateField = $this->getDateFieldFromTokenType($token[0]);
                    if ($dateField === null) {
                        throw new AgaviException('Token type ' . $token[0] . ' claims to be numerical but has no date field');
                    }

                    $number = (int) substr($dateString, $datePos, $token[1]);

                    $datePos += $token[1];
                    if ($dateField == DateDefinitions::HOUR_OF_DAY && $token[0] == DateFormat::T_HOUR_1_24 && $number == 24) {
                        $number = 0;
                    } elseif ($dateField == DateDefinitions::HOUR && $token[0] == DateFormat::T_HOUR_1_12 && $number == 12) {

This code seems to be duplicated across your project.

                        $number = 0;
                    } elseif ($dateField == DateDefinitions::MONTH && $number > 0) {
                        $number -= 1;
                    }

                    if (self::T_QUARTER == $token[0] || self::T_SA_QUARTER == $token[0]) {

This code seems to be duplicated across your project.

                        // only set the quarter if the date hasn't been set on the calendar object
                        if (!$cal->_isSet(DateDefinitions::MONTH)) {
                            $cal->set($dateField, ($number - 1) * 3);
                        }
                    } else {
                        $cal->set($dateField, $number);
                    }
                }
            } elseif ($type == 'number') {
                $numberLen = strspn($dateString, '0123456789', $datePos);
                $dateField = $this->getDateFieldFromTokenType($token[0]);
                if ($dateField === null) {
                    throw new AgaviException('Token type ' . $token[0] . ' claims to be numerical but has no date field');
                }
                if ($strict && $numberLen > 2 && $numberLen > $token[1]) {
                    $numberLen = $token[1];
                }
                if ($dateField == DateDefinitions::MILLISECOND && $numberLen > 3) {
                    // we only store in millisecond precision so only use the first 3 digits of the fractional second
                    $number = (int) substr($dateString, $datePos, 3);
                } else {
                    $number = (int) substr($dateString, $datePos, $numberLen);
                }

                $datePos += $numberLen;
                // since the month is 0-indexed in the calendar and 1-indexed in the
                // cldr we need to subtract 1 from the month
                if ($dateField == DateDefinitions::MONTH && $number > 0) {
                    $number -= 1;
                } elseif ($dateField == DateDefinitions::HOUR_OF_DAY && $token[0] == DateFormat::T_HOUR_1_24 && $number == 24) {

This code seems to be duplicated across your project.

                    $number = 0;
                } elseif ($dateField == DateDefinitions::HOUR && $token[0] == DateFormat::T_HOUR_1_12 && $number == 12) {
                    $number = 0;
                } elseif ($token[0] == self::T_YEAR && $token[1] == 2 && $numberLen <= 2) {
                    if ($number >= 40) {
                        $number += 1900;
                    } else {
                        $number += 2000;
                    }
                }

                if (self::T_QUARTER == $token[0] || self::T_SA_QUARTER == $token[0]) {

This code seems to be duplicated across your project.

                    // only set the quarter if the date hasn't been set on the calendar object
                    if (!$cal->_isSet(DateDefinitions::MONTH)) {
                        $cal->set($dateField, ($number - 1) * 3);
                    }
                } else {
                    $cal->set($dateField, $number);
                }
            } else { // $type == 'text'
                $count = $token[1];
                switch ($token[0]) {
                    case self::T_TEXT:
                        if (substr_compare($dateString, $token[1], $datePos, strlen($token[1])) == 0) {
                            $datePos += strlen($token[1]);
                        } elseif ($i + 1 == $tlCount && !$strict) {

This elseif statement is empty, and could be removed.

                            // when the last text token didn't match we don't do anything in non strict mode
                        } else {
                            throw new AgaviException('Unknown character in "' . $dateString . '" at pos ' . $datePos . ' (expected: "' . $token[1] . '", got: "' . substr($dateString, $datePos, strlen($token[1])) . '")');
                        }
                        break;

                    case self::T_ERA:
                    case self::T_DAY_OF_WEEK:
                    case self::T_LOCAL_DAY_OF_WEEK:
                    case self::T_SA_LOCAL_DAY_OF_WEEK:
                        $funcPrefix = '';

                        switch ($token[0]) {
                            case self::T_ERA:
                                $funcPrefix = 'getCalendarEras';
                                $dataField = DateDefinitions::ERA;
                                break;
                            case self::T_DAY_OF_WEEK:
                                $funcPrefix = 'getCalendarDays';
                                $dataField = DateDefinitions::DAY_OF_WEEK;
                                break;

                            case self::T_LOCAL_DAY_OF_WEEK:
                            case self::T_SA_LOCAL_DAY_OF_WEEK:
                                $funcPrefix = 'getCalendarDays';
                                $dataField = DateDefinitions::DOW_LOCAL;
                                break;
                        }

                        if ($count == 4) {
                            $items = $locale->{$funcPrefix . 'Wide'}($calendarType);
                        } elseif ($count == 5) {
                            $items = $locale->{$funcPrefix . 'Narrow'}($calendarType);
                        } else {
                            $items = $locale->{$funcPrefix . 'Abbreviated'}($calendarType);
                        }
                        $item = null;
                        if ($this->matchStringWithFallbacks($dateString, $items, $datePos, $item)) {
                            $cal->set($dataField, $item);

The variable $dataField does not seem to be defined for all execution paths leading up to this point.

                        } else {
                            throw new AgaviException('Unknown character in "' . $dateString . '" at pos ' . $datePos . ' (expected one of: ' . implode(', ', $items) . ')');
                        }
                        break;

                    case self::T_AM_PM:
                        $items = array(
                            0 => $locale->getCalendarAm($calendarType),
                            1 => $locale->getCalendarPm($calendarType),
                        );

                        $item = null;
                        if ($this->matchStringWithFallbacks($dateString, $items, $datePos, $item)) {
                            $cal->set(DateDefinitions::AM_PM, $item);
                        } else {
                            throw new AgaviException('Unknown character in "' . $dateString . '" at pos ' . $datePos . ' (expected one of: ' . implode(', ', $items) . ')');
                        }
                        break;

                    case self::T_TIMEZONE:
                    case self::T_TIMEZONE_GENERIC:
                    case self::T_TIMEZONE_RFC:
                        $remainder = substr($dateString, $datePos);
                        if (preg_match('#^(GMT)?(\+|-)?(\d{1,2}:\d{1,2}|\d{1,2}\d{1,2})#i', $remainder, $match)) {
                            $datePos += strlen($match[0]);
                            if (strtolower($match[1]) != 'gmt') {
                                $remainder = 'GMT' . $match[0];
                            } else {
                                $remainder = $match[0];
                            }
                            $tz = $tm->createTimeZone($remainder);
                        } else {
                            if ($i + 1 != $tlCount && preg_match('#^([a-z/]+)#i', $remainder, $match)) {
                                $remainder = $match[0];
                            }
                            if (!($tz = $tm->createTimeZone($remainder))) {
                                // try to match a localized timezone string
                                $z = 0;
                                $localizedTzMap = array();
                                $idToTzMap = array();
                                $tzNames = $locale->getTimeZoneNames();
                                foreach ($tzNames as $tzId => $tz) {
                                    foreach ($tz as $type => $names) {
                                        if (is_array($names)) {
                                            foreach ($names as $name) {
                                                $localizedTzMap[$z] = $name;
                                                $idToTzMap[$z] = $tzId;
                                                ++$z;
                                            }
                                        }
                                    }
                                }

                                $id = 0;
                                if ($this->matchStringWithFallbacks($dateString, $localizedTzMap, $datePos, $id)) {
                                    $tz = $tm->createTimeZone($idToTzMap[$id]);
                                } else {
                                    throw new AgaviException('Unknown character in "' . $dateString . '" at pos ' . $datePos . ' (expected one of: ' . implode(', ', $localizedTzMap) . ')');
                                }
                            } else {
                                $datePos += strlen($remainder);
                            }
                        }

                        $cal->setTimeZone($tz);
                        break;

                    case self::T_MONTH:
                    case self::T_SA_MONTH:

This code seems to be duplicated across your project.

                        if ($count == 3) {
                            $months = $locale->getCalendarMonthsAbbreviated($calendarType);
                        } elseif ($count == 4) {
                            $months = $locale->getCalendarMonthsWide($calendarType);
                        } elseif ($count == 5) {
                            $months = $locale->getCalendarMonthsNarrow($calendarType);
                        }
                        $month = null;
                        if ($this->matchStringWithFallbacks($dateString, $months, $datePos, $month)) {

The variable $months does not seem to be defined for all execution paths leading up to this point.

                            $cal->set(DateDefinitions::MONTH, $month - 1);
                        } else {
                            throw new AgaviException('Unknown character in "' . $dateString . '" at pos ' . $datePos . ' (expected one of: ' . implode(', ', $months) . ')');
                        }

                        break;

                    case self::T_QUARTER:
                    case self::T_SA_QUARTER:

This code seems to be duplicated across your project.

                        if ($count == 3) {
                            $quarters = $locale->getCalendarQuartersAbbreviated($calendarType);
                        } elseif ($count == 4) {
                            $quarters = $locale->getCalendarQuartersWide($calendarType);
                        } elseif ($count == 5) {
                            $quarters = $locale->getCalendarQuartersNarrow($calendarType);
                        }
                        $quarter = null;
                        if ($this->matchStringWithFallbacks($dateString, $quarters, $datePos, $quarter)) {

The variable $quarters does not seem to be defined for all execution paths leading up to this point.

                            if (!$cal->_isSet(DateDefinitions::MONTH)) {
                                $cal->set(DateDefinitions::MONTH, ($quarter - 1) * 3);
                            }
                        } else {
                            throw new AgaviException('Unknown character in "' . $dateString . '" at pos ' . $datePos . ' (expected one of: ' . implode(', ', $quarters) . ')');
                        }
                        break;
                }
            }
        }

        // make sure the calendar has it's time calculated,
        // so there aren't any strange effects when setting a new timezone
        // or a new date
        $cal->getTime();
        if ($strict) {

This code seems to be duplicated across your project.

            // calculate the time to get errors for invalid dates
            if ($datePos < strlen($dateString)) {
                throw new AgaviException('Input string "' . $dateString . '" has characters after the date');
            }
        }

        return $cal;
    }

    /**
     * Returns the date field which is associated with the given token.
     *
     * @param      int $type The type of the token.
     *
     * @return     int The date field in the calendar for this token type.
     *
     * @author     Dominik del Bondio <ddb@bitxtender.com>
     * @since      0.11.0
     */
    protected function getDateFieldFromTokenType($type)
    {
        static $typeMap = array(
            self::T_ERA                     => DateDefinitions::ERA,
            self::T_YEAR                    => DateDefinitions::YEAR,
            self::T_MONTH                   => DateDefinitions::MONTH,
            self::T_SA_MONTH                => DateDefinitions::MONTH,
            self::T_DATE                    => DateDefinitions::DATE,
            self::T_HOUR_1_24               => DateDefinitions::HOUR_OF_DAY,
            self::T_HOUR_0_23               => DateDefinitions::HOUR_OF_DAY,
            self::T_MINUTE                  => DateDefinitions::MINUTE,
            self::T_SECOND                  => DateDefinitions::SECOND,
            self::T_FRACTIONAL_SECOND       => DateDefinitions::MILLISECOND,
            self::T_DAY_OF_WEEK             => DateDefinitions::DAY_OF_WEEK,
            self::T_DAY_OF_YEAR             => DateDefinitions::DAY_OF_YEAR,
            self::T_DAY_OF_WEEK_IN_MONTH    => DateDefinitions::DAY_OF_WEEK_IN_MONTH,
            self::T_WEEK_OF_YEAR            => DateDefinitions::WEEK_OF_YEAR,
            self::T_WEEK_OF_MONTH           => DateDefinitions::WEEK_OF_MONTH,
            self::T_AM_PM                   => DateDefinitions::AM_PM,
            self::T_HOUR_1_12               => DateDefinitions::HOUR,
            self::T_HOUR_0_11               => DateDefinitions::HOUR,
            self::T_ISO_YEAR                => DateDefinitions::YEAR_WOY,
            self::T_LOCAL_DAY_OF_WEEK       => DateDefinitions::DOW_LOCAL,
            self::T_SA_LOCAL_DAY_OF_WEEK    => DateDefinitions::DOW_LOCAL,
            self::T_EXTENDED_YEAR           => DateDefinitions::EXTENDED_YEAR,
            self::T_MODIFIED_JD             => DateDefinitions::JULIAN_DAY,
            self::T_MS_IN_DAY               => DateDefinitions::MILLISECONDS_IN_DAY,
            self::T_QUARTER                 => DateDefinitions::MONTH,
            self::T_SA_QUARTER              => DateDefinitions::MONTH,
        );

        if (isset($typeMap[$type])) {
            return $typeMap[$type];
        } else {
            return null;
        }
    }

    /**
     * Returns whether a string matches any of the given possibilities at the
     * current offset.
     *
     * @param      string $string The string to be matched in.
     * @param      array  $possibilities The possibilities which can match.
     * @param      int    $offset The offset to match at in the input string.
     * @param      mixed  $matchedKey The key of the possibilities entry that matched.
     *
     * @return     bool Whether any possibility could be matched.
     *
     * @author     Dominik del Bondio <ddb@bitxtender.com>
     * @since      0.11.0
     */
    protected function matchStringWithFallbacks($string, array $possibilities, &$offset, &$matchedKey)
    {
        $strlen = strlen($string);
        // TODO: change this to match to longest match and not the first one.
        foreach ($possibilities as $key => $possibility) {
            $possLen = strlen($possibility);
            // avoid warning when $string is not long enough for the possibility
            if ($strlen >= ($offset + $possLen) && substr_compare($string, $possibility, $offset, $possLen) == 0) {
                $offset += $possLen;
                $matchedKey = $key;
                return true;
            }
        }

        return false;
    }

    /**
     * Returns the type of a token
     *
     * @param      array $token The token.
     *
     * @return     string either 'text' or 'number'
     *
     * @author     Dominik del Bondio <ddb@bitxtender.com>
     * @since      0.11.0
     */
    protected function getTokenType($token)
    {
        $type = 'text';
        $tok = $token[0];
        $cnt = $token[1];

        switch ($tok) {
            case self::T_YEAR:
            case self::T_DATE:
            case self::T_HOUR_1_24:
            case self::T_HOUR_0_23:
            case self::T_HOUR_1_12:
            case self::T_HOUR_0_11:
            case self::T_MINUTE:
            case self::T_SECOND:
            case self::T_DAY_OF_YEAR:
            case self::T_DAY_OF_WEEK_IN_MONTH:
            case self::T_WEEK_OF_YEAR:
            case self::T_WEEK_OF_MONTH:
            case self::T_ISO_YEAR:
            case self::T_EXTENDED_YEAR:
            case self::T_MODIFIED_JD:
            case self::T_MS_IN_DAY:
            case self::T_FRACTIONAL_SECOND:
                // number
                $type = 'number';
                break;

            case self::T_MONTH:
            case self::T_SA_MONTH:
            case self::T_LOCAL_DAY_OF_WEEK:
            case self::T_SA_LOCAL_DAY_OF_WEEK:
            case self::T_QUARTER:
            case self::T_SA_QUARTER:
                // string > 2
                if ($cnt > 2) {
                    $type = 'text';
                } else {
                    $type = 'number';
                }
                break;

            case self::T_TEXT:
            case self::T_ERA:
            case self::T_DAY_OF_WEEK:
            case self::T_AM_PM:
            case self::T_TIMEZONE:
            case self::T_TIMEZONE_GENERIC:
            case self::T_TIMEZONE_RFC:
                $type = 'text';
                // string
                break;
        }

        return $type;
    }
}