From 98fc03e686f9c0b74cd912a8a5f795fd84401b49 Mon Sep 17 00:00:00 2001 From: Tim Starling Date: Thu, 20 Nov 2003 13:12:41 +0000 Subject: [PATCH] New date formatter --- includes/DateFormatter.php | 237 +++++++++++++++++++++++++++++++++++++ 1 file changed, 237 insertions(+) create mode 100755 includes/DateFormatter.php diff --git a/includes/DateFormatter.php b/includes/DateFormatter.php new file mode 100755 index 0000000000..a4a42826bb --- /dev/null +++ b/includes/DateFormatter.php @@ -0,0 +1,237 @@ +monthNames = $this->getMonthRegex(); + for ( $i=1; $i<=12; $i++ ) { + $this->xMonths[strtolower( $wgMonthNamesEn[$i-1] )] = $i; + } + + # Attempt at UTF-8 support, untested at the moment + if ( $wgInputEncoding == 'UTF-8' ) { + $this->regexTrail = '(?![a-z])/iu'; + } else { + $this->regexTrail = '(?![a-z])/i'; + } + + # 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; + } + + function reformat( $preference, $text ) + { + 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; + } + + function replace( $matches ) + { + global $wgMonthNamesEn; + # 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 ( $char ) { + case 'd': # ISO day of month + if ( is_null($bits['d']) ) { + $text .= sprintf( "%02d", $bits['j'] ); + } else { + $text .= $bits['d']; + } + break; + case 'm': # ISO month + if ( is_null($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 ( is_null( $bits['y'] ) ) { + $text .= $this->makeIsoYear( $bits['Y'] ); + } else { + $text .= $bits['y']; + } + break; + case 'j': # ordinary day of month + if ( is_null($bits['j']) ) { + $text .= IntVal( $bits['d'] ); + } else { + $text .= $bits['j']; + } + break; + case 'F': # long month + if ( is_null( $bits['F'] ) ) { + $m = IntVal($bits['m']); + if ( $m > 12 || $m < 1 ) { + $fail = true; + } else { + $text .= $wgMonthNamesEn[$m-1]; + } + } else { + $text .= ucfirst( $bits['F'] ); + } + break; + case 'Y': # ordinary (optional BC) year + if ( is_null( $bits['Y'] ) ) { + $text .= $this->makeNormalYear( $bits['y'] ); + } else { + $text .= $bits['Y']; + } + break; + default: + $text .= $char; + } + } + if ( $fail ) { + $text = $matches[0]; + } + return $text; + } + + function getMonthRegex() + { + global $wgMonthNamesEn; + return implode( "|", $wgMonthNamesEn ); + } + + # Makes an ISO month, e.g. 02, from a month name + function makeIsoMonth( $monthName ) + { + $n = $this->xMonths[strtolower( $monthName )]; + return sprintf( "%02d", $n ); + } + + 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; + } + + function makeNormalYear( $iso ) + { + if ( $iso{0} == '-' ) { + $text = (IntVal( substr( $iso, 1 ) ) - 1) . " BC"; + } else { + $text = IntVal( $iso ); + } + return $text; + } +} + +function wfMainDateReplace( $matches ) +{ + global $wgDateFormatter; + return $wgDateFormatter->replace( $matches ); +} +?> -- 2.20.1