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| Original file line number | Diff line number | Diff line change |
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| @@ -0,0 +1,264 @@ | ||
| <?php | ||
|
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| namespace ValueParsers; | ||
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| use DataValues\TimeValue; | ||
|
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| /** | ||
| * This parser is in essence the inverse operation of Language::sprintfDate. | ||
| * | ||
| * @see Language::sprintfDate | ||
| * | ||
| * @since 0.8.1 | ||
| * | ||
| * @licence GNU GPL v2+ | ||
| * @author Thiemo Mättig | ||
| */ | ||
| class DateFormatParser extends StringValueParser { | ||
|
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| const FORMAT_NAME = 'datetime'; | ||
|
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| const OPT_DATE_FORMAT = 'dateFormat'; | ||
|
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| /** | ||
| * Option for unlocalizing non-canonical digits. Must be an array of strings, mapping canonical | ||
| * digit characters ("1", "2" and so on, possibly including "." and ",") to localized | ||
| * characters. | ||
| */ | ||
| const OPT_DIGIT_TRANSFORM_TABLE = 'digitTransformTable'; | ||
|
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| /** | ||
| * Option for localized month names. Should be a two-dimensional array, the first dimension | ||
| * mapping the month's numbers 1 to 12 to arrays of localized month names, possibly including | ||
| * full month names, genitive names and abbreviations. Can also be a one-dimensional array of | ||
| * strings. | ||
| */ | ||
| const OPT_MONTH_NAMES = 'monthNames'; | ||
|
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| public function __construct( ParserOptions $options = null ) { | ||
| parent::__construct( $options ); | ||
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| $this->defaultOption( self::OPT_DATE_FORMAT, 'j F Y' ); | ||
| // FIXME: Should not be an option. Options should be trivial, never arrays or objects! | ||
| $this->defaultOption( self::OPT_DIGIT_TRANSFORM_TABLE, null ); | ||
| $this->defaultOption( self::OPT_MONTH_NAMES, null ); | ||
| } | ||
|
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| /** | ||
| * @see StringValueParser::stringParse | ||
| * | ||
| * @param string $value | ||
| * | ||
| * @throws ParseException | ||
| * @return TimeValue | ||
| */ | ||
| protected function stringParse( $value ) { | ||
| $pattern = $this->parseDateFormat( $this->getDateFormat() ); | ||
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| if ( @preg_match( '<^\p{Z}*' . $pattern . '$>iu', $value, $matches ) | ||
| && isset( $matches['year'] ) | ||
| ) { | ||
| $precision = TimeValue::PRECISION_YEAR; | ||
| $time = array( $this->parseFormattedNumber( $matches['year'] ), 0, 0, 0, 0, 0 ); | ||
|
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| if ( isset( $matches['month'] ) ) { | ||
| $precision = TimeValue::PRECISION_MONTH; | ||
| $time[1] = $this->findMonthMatch( $matches ); | ||
| } | ||
|
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| if ( isset( $matches['day'] ) ) { | ||
| $precision = TimeValue::PRECISION_DAY; | ||
| $time[2] = $this->parseFormattedNumber( $matches['day'] ); | ||
| } | ||
|
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| if ( isset( $matches['hour'] ) ) { | ||
| $precision = TimeValue::PRECISION_HOUR; | ||
| $time[3] = $this->parseFormattedNumber( $matches['hour'] ); | ||
| } | ||
|
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| if ( isset( $matches['minute'] ) ) { | ||
| $precision = TimeValue::PRECISION_MINUTE; | ||
| $time[4] = $this->parseFormattedNumber( $matches['minute'] ); | ||
| } | ||
|
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| if ( isset( $matches['second'] ) ) { | ||
| $precision = TimeValue::PRECISION_SECOND; | ||
| $time[5] = $this->parseFormattedNumber( $matches['second'] ); | ||
| } | ||
|
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| $timestamp = vsprintf( '+%04s-%02s-%02sT%02s:%02s:%02sZ', $time ); | ||
| return new TimeValue( $timestamp, 0, 0, 0, $precision, TimeValue::CALENDAR_GREGORIAN ); | ||
| } | ||
|
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| throw new ParseException( "Failed to parse $value (" | ||
| . $this->parseFormattedNumber( $value ) . ')', $value ); | ||
| } | ||
|
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| /** | ||
| * @see Language::sprintfDate | ||
| * | ||
| * @param string $format A date format, as described in Language::sprintfDate. | ||
| * | ||
| * @return string Regular expression | ||
| */ | ||
| private function parseDateFormat( $format ) { | ||
| $length = strlen( $format ); | ||
| $numberPattern = '[' . $this->getNumberCharacters() . ']'; | ||
| $pattern = ''; | ||
|
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| for ( $p = 0; $p < $length; $p++ ) { | ||
| $code = $format[$p]; | ||
|
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| if ( $code === 'x' && $p < $length - 1 ) { | ||
| $code .= $format[++$p]; | ||
| } | ||
|
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| if ( preg_match( '<^x[ijkmot]$>', $code ) && $p < $length - 1 ) { | ||
| $code .= $format[++$p]; | ||
| } | ||
|
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| switch ( $code ) { | ||
| case 'Y': | ||
| $pattern .= '(?P<year>' . $numberPattern . '+)\p{Z}*'; | ||
| break; | ||
| case 'F': | ||
| case 'm': | ||
| case 'M': | ||
| case 'n': | ||
| case 'xg': | ||
| $pattern .= '(?P<month>' . $numberPattern . '{1,2}' | ||
| . $this->getMonthNamesPattern() | ||
| . ')\p{P}*\p{Z}*'; | ||
| break; | ||
| case 'd': | ||
| case 'j': | ||
| $pattern .= '(?P<day>' . $numberPattern . '{1,2})\p{P}*\p{Z}*'; | ||
| break; | ||
| case 'G': | ||
| case 'H': | ||
| $pattern .= '(?P<hour>' . $numberPattern . '{1,2})\p{Z}*'; | ||
| break; | ||
| case 'i': | ||
| $pattern .= '(?P<minute>' . $numberPattern . '{1,2})\p{Z}*'; | ||
| break; | ||
| case 's': | ||
| $pattern .= '(?P<second>' . $numberPattern . '{1,2})\p{Z}*'; | ||
| break; | ||
| case '\\': | ||
| if ( $p < $length - 1 ) { | ||
| $pattern .= preg_quote( $format[++$p] ); | ||
| } else { | ||
| $pattern .= '\\'; | ||
| } | ||
| break; | ||
| case '"': | ||
| $endQuote = strpos( $format, '"', $p + 1 ); | ||
| if ( $endQuote !== false ) { | ||
| $pattern .= preg_quote( substr( $format, $p + 1, $endQuote - $p - 1 ) ); | ||
| $p = $endQuote; | ||
| } else { | ||
| $pattern .= '"'; | ||
| } | ||
| break; | ||
| case 'xn': | ||
| case 'xN': | ||
| // We can ignore raw and raw toggle when parsing, because we always accept | ||
| // canonical digits. | ||
| break; | ||
| default: | ||
| if ( preg_match( '<^\p{P}+$>u', $format[$p] ) ) { | ||
| $pattern .= '\p{P}*'; | ||
| } elseif ( preg_match( '<^\p{Z}+$>u', $format[$p] ) ) { | ||
| $pattern .= '\p{Z}*'; | ||
| } else { | ||
| $pattern .= preg_quote( $format[$p] ); | ||
| } | ||
| } | ||
| } | ||
|
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| return $pattern; | ||
| } | ||
|
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| /** | ||
| * @return string | ||
| */ | ||
| private function getMonthNamesPattern() { | ||
| $pattern = ''; | ||
|
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| foreach ( $this->getMonthNames() as $i => $monthNames ) { | ||
| $pattern .= '|(?P<month' . $i . '>' | ||
| . implode( '|', array_map( 'preg_quote', (array)$monthNames ) ) | ||
| . ')'; | ||
| } | ||
|
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| return $pattern; | ||
| } | ||
|
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| /** | ||
| * @param string[] $matches | ||
| * | ||
| * @return int | ||
| */ | ||
| private function findMonthMatch( $matches ) { | ||
| for ( $i = 1; $i <= 12; $i++ ) { | ||
| if ( !empty( $matches['month' . $i] ) ) { | ||
| return $i; | ||
| } | ||
| } | ||
|
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| return $this->parseFormattedNumber( $matches['month'] ); | ||
| } | ||
|
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| /** | ||
| * @param string $number | ||
| * | ||
| * @return string | ||
| */ | ||
| private function parseFormattedNumber( $number ) { | ||
| $transformTable = $this->getDigitTransformTable(); | ||
|
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| if ( is_array( $transformTable ) ) { | ||
| // Eliminate empty array values (bug T66347). | ||
| $transformTable = array_filter( $transformTable ); | ||
| $number = strtr( $number, array_flip( $transformTable ) ); | ||
| } | ||
|
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| return $number; | ||
| } | ||
|
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| /** | ||
| * @return string | ||
| */ | ||
| private function getNumberCharacters() { | ||
| $numberCharacters = '\d'; | ||
|
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| $transformTable = $this->getDigitTransformTable(); | ||
| if ( is_array( $transformTable ) ) { | ||
| $numberCharacters .= preg_quote( implode( '', $transformTable ) ); | ||
| } | ||
|
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| return $numberCharacters; | ||
| } | ||
|
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| /** | ||
| * @return string | ||
| */ | ||
| private function getDateFormat() { | ||
| return $this->getOption( self::OPT_DATE_FORMAT ); | ||
| } | ||
|
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| /** | ||
| * @return string[]|null | ||
| */ | ||
| private function getDigitTransformTable() { | ||
| return $this->getOption( self::OPT_DIGIT_TRANSFORM_TABLE ); | ||
| } | ||
|
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| /** | ||
| * @return array[] | ||
| */ | ||
| private function getMonthNames() { | ||
| return $this->getOption( self::OPT_MONTH_NAMES ) ?: array(); | ||
| } | ||
|
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| } |
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