diff options
Diffstat (limited to 'includes/DateFormatter.php')
-rw-r--r-- | includes/DateFormatter.php | 285 |
1 files changed, 0 insertions, 285 deletions
diff --git a/includes/DateFormatter.php b/includes/DateFormatter.php deleted file mode 100644 index bbad6d15..00000000 --- a/includes/DateFormatter.php +++ /dev/null @@ -1,285 +0,0 @@ -<?php - -/** - * Date formatter, recognises dates in plain text and formats them accoding to user preferences. - * @todo preferences, OutputPage - * @addtogroup Parser - */ -class DateFormatter -{ - var $mSource, $mTarget; - var $monthNames = '', $rxDM, $rxMD, $rxDMY, $rxYDM, $rxMDY, $rxYMD; - - var $regexes, $pDays, $pMonths, $pYears; - var $rules, $xMonths, $preferences; - - const ALL = -1; - const NONE = 0; - const MDY = 1; - const DMY = 2; - const YMD = 3; - const ISO1 = 4; - const LASTPREF = 4; - const ISO2 = 5; - const YDM = 6; - const DM = 7; - const MD = 8; - const LAST = 8; - - /** - * @todo document - */ - function DateFormatter() { - global $wgContLang; - - $this->monthNames = $this->getMonthRegex(); - for ( $i=1; $i<=12; $i++ ) { - $this->xMonths[$wgContLang->lc( $wgContLang->getMonthName( $i ) )] = $i; - $this->xMonths[$wgContLang->lc( $wgContLang->getMonthAbbreviation( $i ) )] = $i; - } - - $this->regexTrail = '(?![a-z])/iu'; - - # Partial regular expressions - $this->prxDM = '\[\[(\d{1,2})[ _](' . $this->monthNames . ')]]'; - $this->prxMD = '\[\[(' . $this->monthNames . ')[ _](\d{1,2})]]'; - $this->prxY = '\[\[(\d{1,4}([ _]BC|))]]'; - $this->prxISO1 = '\[\[(-?\d{4})]]-\[\[(\d{2})-(\d{2})]]'; - $this->prxISO2 = '\[\[(-?\d{4})-(\d{2})-(\d{2})]]'; - - # Real regular expressions - $this->regexes[self::DMY] = "/{$this->prxDM} *,? *{$this->prxY}{$this->regexTrail}"; - $this->regexes[self::YDM] = "/{$this->prxY} *,? *{$this->prxDM}{$this->regexTrail}"; - $this->regexes[self::MDY] = "/{$this->prxMD} *,? *{$this->prxY}{$this->regexTrail}"; - $this->regexes[self::YMD] = "/{$this->prxY} *,? *{$this->prxMD}{$this->regexTrail}"; - $this->regexes[self::DM] = "/{$this->prxDM}{$this->regexTrail}"; - $this->regexes[self::MD] = "/{$this->prxMD}{$this->regexTrail}"; - $this->regexes[self::ISO1] = "/{$this->prxISO1}{$this->regexTrail}"; - $this->regexes[self::ISO2] = "/{$this->prxISO2}{$this->regexTrail}"; - - # Extraction keys - # See the comments in replace() for the meaning of the letters - $this->keys[self::DMY] = 'jFY'; - $this->keys[self::YDM] = 'Y jF'; - $this->keys[self::MDY] = 'FjY'; - $this->keys[self::YMD] = 'Y Fj'; - $this->keys[self::DM] = 'jF'; - $this->keys[self::MD] = 'Fj'; - $this->keys[self::ISO1] = 'ymd'; # y means ISO year - $this->keys[self::ISO2] = 'ymd'; - - # Target date formats - $this->targets[self::DMY] = '[[F j|j F]] [[Y]]'; - $this->targets[self::YDM] = '[[Y]], [[F j|j F]]'; - $this->targets[self::MDY] = '[[F j]], [[Y]]'; - $this->targets[self::YMD] = '[[Y]] [[F j]]'; - $this->targets[self::DM] = '[[F j|j F]]'; - $this->targets[self::MD] = '[[F j]]'; - $this->targets[self::ISO1] = '[[Y|y]]-[[F j|m-d]]'; - $this->targets[self::ISO2] = '[[y-m-d]]'; - - # Rules - # pref source target - $this->rules[self::DMY][self::MD] = self::DM; - $this->rules[self::ALL][self::MD] = self::MD; - $this->rules[self::MDY][self::DM] = self::MD; - $this->rules[self::ALL][self::DM] = self::DM; - $this->rules[self::NONE][self::ISO2] = self::ISO1; - - $this->preferences = array( - 'default' => self::NONE, - 'dmy' => self::DMY, - 'mdy' => self::MDY, - 'ymd' => self::YMD, - 'ISO 8601' => self::ISO1, - ); - } - - /** - * @static - */ - function &getInstance() { - global $wgMemc; - static $dateFormatter = false; - if ( !$dateFormatter ) { - $dateFormatter = $wgMemc->get( wfMemcKey( 'dateformatter' ) ); - if ( !$dateFormatter ) { - $dateFormatter = new DateFormatter; - $wgMemc->set( wfMemcKey( 'dateformatter' ), $dateFormatter, 3600 ); - } - } - return $dateFormatter; - } - - /** - * @param string $preference User preference - * @param string $text Text to reformat - */ - function reformat( $preference, $text ) { - if ( isset( $this->preferences[$preference] ) ) { - $preference = $this->preferences[$preference]; - } else { - $preference = self::NONE; - } - for ( $i=1; $i<=self::LAST; $i++ ) { - $this->mSource = $i; - if ( isset ( $this->rules[$preference][$i] ) ) { - # Specific rules - $this->mTarget = $this->rules[$preference][$i]; - } elseif ( isset ( $this->rules[self::ALL][$i] ) ) { - # General rules - $this->mTarget = $this->rules[self::ALL][$i]; - } elseif ( $preference ) { - # User preference - $this->mTarget = $preference; - } else { - # Default - $this->mTarget = $i; - } - $text = preg_replace_callback( $this->regexes[$i], array( &$this, 'replace' ), $text ); - } - return $text; - } - - /** - * @param $matches - */ - function replace( $matches ) { - # Extract information from $matches - $bits = array(); - $key = $this->keys[$this->mSource]; - for ( $p=0; $p < strlen($key); $p++ ) { - if ( $key{$p} != ' ' ) { - $bits[$key{$p}] = $matches[$p+1]; - } - } - - $format = $this->targets[$this->mTarget]; - - # Construct new date - $text = ''; - $fail = false; - - for ( $p=0; $p < strlen( $format ); $p++ ) { - $char = $format{$p}; - switch ( $char ) { - case 'd': # ISO day of month - if ( !isset($bits['d']) ) { - $text .= sprintf( '%02d', $bits['j'] ); - } else { - $text .= $bits['d']; - } - break; - case 'm': # ISO month - if ( !isset($bits['m']) ) { - $m = $this->makeIsoMonth( $bits['F'] ); - if ( !$m || $m == '00' ) { - $fail = true; - } else { - $text .= $m; - } - } else { - $text .= $bits['m']; - } - break; - case 'y': # ISO year - if ( !isset( $bits['y'] ) ) { - $text .= $this->makeIsoYear( $bits['Y'] ); - } else { - $text .= $bits['y']; - } - break; - case 'j': # ordinary day of month - if ( !isset($bits['j']) ) { - $text .= intval( $bits['d'] ); - } else { - $text .= $bits['j']; - } - break; - case 'F': # long month - if ( !isset( $bits['F'] ) ) { - $m = intval($bits['m']); - if ( $m > 12 || $m < 1 ) { - $fail = true; - } else { - global $wgContLang; - $text .= $wgContLang->getMonthName( $m ); - } - } else { - $text .= ucfirst( $bits['F'] ); - } - break; - case 'Y': # ordinary (optional BC) year - if ( !isset( $bits['Y'] ) ) { - $text .= $this->makeNormalYear( $bits['y'] ); - } else { - $text .= $bits['Y']; - } - break; - default: - $text .= $char; - } - } - if ( $fail ) { - $text = $matches[0]; - } - return $text; - } - - /** - * @todo document - */ - function getMonthRegex() { - global $wgContLang; - $names = array(); - for( $i = 1; $i <= 12; $i++ ) { - $names[] = $wgContLang->getMonthName( $i ); - $names[] = $wgContLang->getMonthAbbreviation( $i ); - } - return implode( '|', $names ); - } - - /** - * Makes an ISO month, e.g. 02, from a month name - * @param $monthName String: month name - * @return string ISO month name - */ - function makeIsoMonth( $monthName ) { - global $wgContLang; - - $n = $this->xMonths[$wgContLang->lc( $monthName )]; - return sprintf( '%02d', $n ); - } - - /** - * @todo document - * @param $year String: Year name - * @return string ISO year name - */ - function makeIsoYear( $year ) { - # Assumes the year is in a nice format, as enforced by the regex - if ( substr( $year, -2 ) == 'BC' ) { - $num = intval(substr( $year, 0, -3 )) - 1; - # PHP bug note: sprintf( "%04d", -1 ) fails poorly - $text = sprintf( '-%04d', $num ); - - } else { - $text = sprintf( '%04d', $year ); - } - return $text; - } - - /** - * @todo document - */ - function makeNormalYear( $iso ) { - if ( $iso{0} == '-' ) { - $text = (intval( substr( $iso, 1 ) ) + 1) . ' BC'; - } else { - $text = intval( $iso ); - } - return $text; - } -} - - |