summaryrefslogtreecommitdiff
path: root/includes/DateFormatter.php
diff options
context:
space:
mode:
Diffstat (limited to 'includes/DateFormatter.php')
-rw-r--r--includes/DateFormatter.php285
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;
- }
-}
-
-
generated by cgit v1.2.2 (git 2.25.0) at 2024-04-19 21:43:56 +0000