From 183851b06bd6c52f3cae5375f433da720d410447 Mon Sep 17 00:00:00 2001 From: Pierre Schmitz Date: Wed, 11 Oct 2006 18:12:39 +0000 Subject: MediaWiki 1.7.1 wiederhergestellt --- includes/DateFormatter.php | 288 +++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 288 insertions(+) create mode 100644 includes/DateFormatter.php (limited to 'includes/DateFormatter.php') diff --git a/includes/DateFormatter.php b/includes/DateFormatter.php new file mode 100644 index 00000000..02acac73 --- /dev/null +++ b/includes/DateFormatter.php @@ -0,0 +1,288 @@ +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 + $this->regexes[DF_DMY] = "/{$this->prxDM} *,? *{$this->prxY}{$this->regexTrail}"; + $this->regexes[DF_YDM] = "/{$this->prxY} *,? *{$this->prxDM}{$this->regexTrail}"; + $this->regexes[DF_MDY] = "/{$this->prxMD} *,? *{$this->prxY}{$this->regexTrail}"; + $this->regexes[DF_YMD] = "/{$this->prxY} *,? *{$this->prxMD}{$this->regexTrail}"; + $this->regexes[DF_DM] = "/{$this->prxDM}{$this->regexTrail}"; + $this->regexes[DF_MD] = "/{$this->prxMD}{$this->regexTrail}"; + $this->regexes[DF_ISO1] = "/{$this->prxISO1}{$this->regexTrail}"; + $this->regexes[DF_ISO2] = "/{$this->prxISO2}{$this->regexTrail}"; + + # Extraction keys + # See the comments in replace() for the meaning of the letters + $this->keys[DF_DMY] = 'jFY'; + $this->keys[DF_YDM] = 'Y jF'; + $this->keys[DF_MDY] = 'FjY'; + $this->keys[DF_YMD] = 'Y Fj'; + $this->keys[DF_DM] = 'jF'; + $this->keys[DF_MD] = 'Fj'; + $this->keys[DF_ISO1] = 'ymd'; # y means ISO year + $this->keys[DF_ISO2] = 'ymd'; + + # Target date formats + $this->targets[DF_DMY] = '[[F j|j F]] [[Y]]'; + $this->targets[DF_YDM] = '[[Y]], [[F j|j F]]'; + $this->targets[DF_MDY] = '[[F j]], [[Y]]'; + $this->targets[DF_YMD] = '[[Y]] [[F j]]'; + $this->targets[DF_DM] = '[[F j|j F]]'; + $this->targets[DF_MD] = '[[F j]]'; + $this->targets[DF_ISO1] = '[[Y|y]]-[[F j|m-d]]'; + $this->targets[DF_ISO2] = '[[y-m-d]]'; + + # Rules + # pref source target + $this->rules[DF_DMY][DF_MD] = DF_DM; + $this->rules[DF_ALL][DF_MD] = DF_MD; + $this->rules[DF_MDY][DF_DM] = DF_MD; + $this->rules[DF_ALL][DF_DM] = DF_DM; + $this->rules[DF_NONE][DF_ISO2] = DF_ISO1; + } + + /** + * @static + */ + function &getInstance() { + global $wgDBname, $wgMemc; + static $dateFormatter = false; + if ( !$dateFormatter ) { + $dateFormatter = $wgMemc->get( "$wgDBname:dateformatter" ); + if ( !$dateFormatter ) { + $dateFormatter = new DateFormatter; + $wgMemc->set( "$wgDBname:dateformatter", $dateFormatter, 3600 ); + } + } + return $dateFormatter; + } + + /** + * @param $preference + * @param $text + */ + function reformat( $preference, $text ) { + if ($preference == 'ISO 8601') $preference = 4; # The ISO 8601 option used to be 4 + for ( $i=1; $i<=DF_LAST; $i++ ) { + $this->mSource = $i; + if ( @$this->rules[$preference][$i] ) { + # Specific rules + $this->mTarget = $this->rules[$preference][$i]; + } elseif ( @$this->rules[DF_ALL][$i] ) { + # General rules + $this->mTarget = $this->rules[DF_ALL][$i]; + } elseif ( $preference ) { + # User preference + $this->mTarget = $preference; + } else { + # Default + $this->mTarget = $i; + } + $text = preg_replace_callback( $this->regexes[$i], 'wfMainDateReplace', $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; + } +} + +/** + * @todo document + */ +function wfMainDateReplace( $matches ) { + $df =& DateFormatter::getInstance(); + return $df->replace( $matches ); +} + +?> -- cgit v1.2.3-54-g00ecf