-<?
-define("DF_ALL", -1);
-define("DF_NONE", 0);
-define("DF_MDY", 1);
-define("DF_DMY", 2);
-define("DF_YMD", 3);
-define("DF_ISO1", 4);
-define("DF_LASTPREF", 4);
-
-define("DF_ISO2", 5);
-define("DF_YDM", 6);
-define("DF_DM", 7);
-define("DF_MD", 8);
-define("DF_LAST", 8);
-
-# To do: preferences, OutputPage
+<?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 $monthNames = '', $rxDM, $rxMD, $rxDMY, $rxYDM, $rxMDY, $rxYMD;
+
var $regexes, $pDays, $pMonths, $pYears;
- var $rules, $xMonths;
+ var $rules, $xMonths, $preferences;
- function DateFormatter()
- {
- global $wgMonthNamesEn;
-
+ 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[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';
+ $this->xMonths[$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}";
-
+ $this->regexes[self::DMY] = "/{$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[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";
+ $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[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]]";
+ $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[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;
+ $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,
+ );
}
-
- function reformat( $preference, $text )
- {
- for ( $i=1; $i<=DF_LAST; $i++ ) {
+
+ /**
+ * @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 ( $this->rules[$preference][$i] ) {
+ if ( isset ( $this->rules[$preference][$i] ) ) {
# Specific rules
$this->mTarget = $this->rules[$preference][$i];
- } elseif ( $this->rules[DF_ALL][$i] ) {
+ } elseif ( isset ( $this->rules[self::ALL][$i] ) ) {
# General rules
- $this->mTarget = $this->rules[DF_ALL][$i];
+ $this->mTarget = $this->rules[self::ALL][$i];
} elseif ( $preference ) {
# User preference
$this->mTarget = $preference;
# Default
$this->mTarget = $i;
}
- $text = preg_replace_callback( $this->regexes[$i], "wfMainDateReplace", $text );
+ $text = preg_replace_callback( $this->regexes[$i], array( &$this, 'replace' ), $text );
}
return $text;
}
- function replace( $matches )
- {
- global $wgMonthNamesEn;
+ /**
+ * @param $matches
+ */
+ function replace( $matches ) {
# Extract information from $matches
$bits = array();
$key = $this->keys[$this->mSource];
}
$format = $this->targets[$this->mTarget];
-
+
# Construct new date
- $text = "";
+ $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", $bits['j'] );
+ if ( !isset($bits['d']) ) {
+ $text .= sprintf( '%02d', $bits['j'] );
} else {
$text .= $bits['d'];
}
break;
case 'm': # ISO month
- if ( is_null($bits['m']) ) {
+ if ( !isset($bits['m']) ) {
$m = $this->makeIsoMonth( $bits['F'] );
- if ( !$m || $m == "00" ) {
+ if ( !$m || $m == '00' ) {
$fail = true;
} else {
$text .= $m;
}
break;
case 'y': # ISO year
- if ( is_null( $bits['y'] ) ) {
+ if ( !isset( $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( $bits['d'] );
+ if ( !isset($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 ( !isset( $bits['F'] ) ) {
+ $m = intval($bits['m']);
if ( $m > 12 || $m < 1 ) {
$fail = true;
} else {
- $text .= $wgMonthNamesEn[$m-1];
+ global $wgContLang;
+ $text .= $wgContLang->getMonthName( $m );
}
} else {
$text .= ucfirst( $bits['F'] );
}
break;
case 'Y': # ordinary (optional BC) year
- if ( is_null( $bits['Y'] ) ) {
+ if ( !isset( $bits['Y'] ) ) {
$text .= $this->makeNormalYear( $bits['y'] );
} else {
$text .= $bits['Y'];
}
return $text;
}
-
- function getMonthRegex()
- {
- global $wgMonthNamesEn;
- return implode( "|", $wgMonthNamesEn );
+
+ /**
+ * @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
- function makeIsoMonth( $monthName )
- {
- $n = $this->xMonths[strtolower( $monthName )];
- return sprintf( "%02d", $n );
+ /**
+ * 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 );
}
- function makeIsoYear( $year )
- {
+ /**
+ * @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;
+ $num = intval(substr( $year, 0, -3 )) - 1;
# PHP bug note: sprintf( "%04d", -1 ) fails poorly
- $text = sprintf( "-%04d", $num );
+ $text = sprintf( '-%04d', $num );
} else {
- $text = sprintf( "%04d", $year );
+ $text = sprintf( '%04d', $year );
}
return $text;
}
- function makeNormalYear( $iso )
- {
+ /**
+ * @todo document
+ */
+ function makeNormalYear( $iso ) {
if ( $iso{0} == '-' ) {
- $text = (IntVal( substr( $iso, 1 ) ) - 1) . " BC";
+ $text = (intval( substr( $iso, 1 ) ) + 1) . ' BC';
} else {
- $text = IntVal( $iso );
+ $text = intval( $iso );
}
return $text;
}
}
-function wfMainDateReplace( $matches )
-{
- global $wgDateFormatter;
- return $wgDateFormatter->replace( $matches );
-}
-?>
+
dépôts / lhc / web / wiklou.git / blobdiff