Twitter Date Formatter
For Twitter Feeds
Description
This is used in conjunction with Twitter’s created_at
(published date) information, which isn’t in ISO format. this was moved from this thread.
XSLT
View Raw
<?xml version="1.0" encoding="UTF-8"?> <xsl:stylesheet version="1.0" xmlns:xsl="http://www.w3.org/1999/XSL/Transform"> <xsl:variable name="uppercase" select="'ABCDEFGHIJKLMNOPQRSTUVWXYZ'" /> <xsl:variable name="lowercase" select="'abcdefghijklmnopqrstuvwxyz'" /> <!-- Description: This is a date formatting utility for Twitter feeds, modified from the original date-time.xsl file. The named template "twitter-format-date" takes 2 parameters: 1. date - [required] takes a Twitter formatted date (<created_at>) 2. format - [optional] takes a format string. Format options: Y - year in 4 digits e.g. 1981, 1992, 2008 y - year in 2 digits e.g. 81, 92, 08 M - month as a full word e.g. January, March, September m - month in 3 letters e.g. Jan, Mar, Sep N - month in digits without leading zero n - month in digits with leading zero D - day with suffix and no leading zero e.g. 1st, 23rd d - day in digits with leading zero e.g. 01, 09, 12, 25 x - day in digits with no leading zero e.g. 1, 9, 12, 25 T - time in 24-hours e.g. 18:30 t - time in 12-hours e.g. 6:30pm W - weekday as a full word e.g. Monday, Tuesday w - weekday in 3 letters e.g. Mon, Tue, Wed Examples: M => January d M => 21 September m D, y => Sep 21st, 81 n-d-y => 09-21-81 d/n/y => 21/09/81 d/n/y t => 21/09/81 6:30pm --> <xsl:template name="twitter-format-date"> <xsl:param name="date" /> <xsl:param name="format" select="'d M, Y'" /> <xsl:choose> <xsl:when test="string-length($format) <= 10"> <xsl:call-template name="twitter-date-controller"> <xsl:with-param name="date" select="$date"/> <xsl:with-param name="format" select="$format"/> </xsl:call-template> </xsl:when> <xsl:otherwise> <xsl:text>Error: format parameter is not correctly set. You have: </xsl:text> <xsl:value-of select="string-length($format)"/> <xsl:text>.</xsl:text> </xsl:otherwise> </xsl:choose> </xsl:template> <xsl:template name="twitter-date-controller"> <xsl:param name="date"/> <xsl:param name="format"/> <xsl:param name="letter" select="substring($format,1,1)"/> <xsl:param name="tletter" select="translate($letter,'DMNYTW','dmnytw')"/> <xsl:choose> <xsl:when test="$tletter = 'y'"> <xsl:call-template name="twitter-format-year"> <xsl:with-param name="date" select="$date"/> <xsl:with-param name="format" select="$letter"/> </xsl:call-template> </xsl:when> <xsl:when test="$tletter = 'm'"> <xsl:call-template name="twitter-format-month"> <xsl:with-param name="date" select="$date"/> <xsl:with-param name="format" select="$letter"/> </xsl:call-template> </xsl:when> <xsl:when test="$tletter = 'n'"> <xsl:call-template name="twitter-format-month"> <xsl:with-param name="date" select="$date"/> <xsl:with-param name="format" select="$letter"/> </xsl:call-template> </xsl:when> <xsl:when test="$tletter = 'd'"> <xsl:call-template name="twitter-format-day"> <xsl:with-param name="date" select="$date"/> <xsl:with-param name="format" select="$letter"/> </xsl:call-template> </xsl:when> <xsl:when test="$tletter = 'x'"> <xsl:call-template name="twitter-format-day"> <xsl:with-param name="date" select="$date"/> <xsl:with-param name="format" select="$letter"/> </xsl:call-template> </xsl:when> <xsl:when test="$tletter = 't'"> <xsl:call-template name="twitter-format-time"> <xsl:with-param name="date" select="$date"/> <xsl:with-param name="format" select="$letter"/> </xsl:call-template> </xsl:when> <xsl:when test="$tletter = 'w'"> <xsl:call-template name="twitter-format-weekday"> <xsl:with-param name="date" select="$date"/> <xsl:with-param name="format" select="$letter"/> </xsl:call-template> </xsl:when> <xsl:otherwise> <xsl:value-of select="$letter"/> </xsl:otherwise> </xsl:choose> <xsl:if test="$letter = not('')"> <xsl:call-template name="twitter-date-controller"> <xsl:with-param name="date" select="$date"/> <xsl:with-param name="format" select="substring($format,2)"/> </xsl:call-template> </xsl:if> </xsl:template> <xsl:template name="twitter-format-year"> <xsl:param name="date"/> <xsl:param name="year" select="substring($date,27)"/> <xsl:param name="format" select="'y'"/> <xsl:choose> <xsl:when test="$format = 'y'"> <xsl:value-of select="substring($year,3)"/> </xsl:when> <xsl:when test="$format = 'Y'"> <xsl:value-of select="$year"/> </xsl:when> </xsl:choose> </xsl:template> <xsl:template name="twitter-format-month"> <xsl:param name="date"/> <xsl:param name="month" select="translate(substring($date,5,3),$uppercase,$lowercase)"/> <xsl:param name="format" select="'m'"/> <xsl:param name="month-word"> <xsl:choose> <xsl:when test="$month = 'jan'">January</xsl:when> <xsl:when test="$month = 'feb'">February</xsl:when> <xsl:when test="$month = 'mar'">March</xsl:when> <xsl:when test="$month = 'apr'">April</xsl:when> <xsl:when test="$month = 'may'">May</xsl:when> <xsl:when test="$month = 'jun'">June</xsl:when> <xsl:when test="$month = 'jul'">July</xsl:when> <xsl:when test="$month = 'aug'">August</xsl:when> <xsl:when test="$month = 'sep'">September</xsl:when> <xsl:when test="$month = 'oct'">October</xsl:when> <xsl:when test="$month = 'nov'">November</xsl:when> <xsl:when test="$month = 'dec'">December</xsl:when> </xsl:choose> </xsl:param> <xsl:param name="month-digit"> <xsl:choose> <xsl:when test="$month = 'jan'">01</xsl:when> <xsl:when test="$month = 'feb'">02</xsl:when> <xsl:when test="$month = 'mar'">03</xsl:when> <xsl:when test="$month = 'apr'">04</xsl:when> <xsl:when test="$month = 'may'">05</xsl:when> <xsl:when test="$month = 'jun'">06</xsl:when> <xsl:when test="$month = 'jul'">07</xsl:when> <xsl:when test="$month = 'aug'">08</xsl:when> <xsl:when test="$month = 'sep'">09</xsl:when> <xsl:when test="$month = 'oct'">10</xsl:when> <xsl:when test="$month = 'nov'">11</xsl:when> <xsl:when test="$month = 'dec'">12</xsl:when> </xsl:choose> </xsl:param> <xsl:choose> <xsl:when test="$format = 'm'"> <xsl:value-of select="substring($month-word, 1,3)"/> </xsl:when> <xsl:when test="$format = 'M'"> <xsl:value-of select="$month-word"/> </xsl:when> <xsl:when test="$format = 'n'"> <xsl:value-of select="format-number($month-digit, '00')"/> </xsl:when> <xsl:when test="$format = 'N'"> <xsl:value-of select="format-number($month-digit, '0')"/> </xsl:when> </xsl:choose> </xsl:template> <xsl:template name="twitter-format-day"> <xsl:param name="date"/> <xsl:param name="day" select="format-number(substring($date,9,2),'00')"/> <xsl:param name="format" select="'d'"/> <xsl:param name="suffix"> <xsl:choose> <xsl:when test="(substring($day,2) = 1) and not(substring($day,1,1) = 1)">st</xsl:when> <xsl:when test="(substring($day,2) = 2) and not(substring($day,1,1) = 1)">nd</xsl:when> <xsl:when test="(substring($day,2) = 3) and not(substring($day,1,1) = 1)">Rd</xsl:when> <xsl:otherwise>th</xsl:otherwise> </xsl:choose> </xsl:param> <xsl:choose> <xsl:when test="$format = 'd'"> <xsl:value-of select="$day"/> </xsl:when> <xsl:when test="$format = 'x'"> <xsl:value-of select="format-number($day,'0')"/> </xsl:when> <xsl:when test="$format = 'D'"> <xsl:value-of select="format-number($day,'0')"/> <sup><xsl:value-of select="$suffix"/></sup> </xsl:when> </xsl:choose> </xsl:template> <!-- Tue Feb 10 15:40:27 +0000 2009 --> <xsl:template name="twitter-format-time"> <xsl:param name="date"/> <xsl:param name="time" select="substring($date,12,8)" /> <xsl:param name="hour" select="substring-before($time, ':')"/> <xsl:param name="minute" select="substring-after($time, ':')"/> <xsl:param name="format" select="'T'"/> <xsl:choose> <xsl:when test="$format = 'T'"> <xsl:value-of select="$time"/> </xsl:when> <xsl:when test="$format = 't'"> <xsl:choose> <xsl:when test="$hour mod 12 = 0">12</xsl:when> <xsl:otherwise><xsl:value-of select="($hour mod 12)"/></xsl:otherwise> </xsl:choose> <xsl:value-of select="concat(':',$minute)"/> <xsl:choose> <xsl:when test="$hour < 12">am</xsl:when> <xsl:otherwise>pm</xsl:otherwise> </xsl:choose> </xsl:when> </xsl:choose> </xsl:template> <xsl:template name="twitter-format-weekday"> <xsl:param name="date" /> <xsl:param name="weekday" select="translate(substring($date,1,3),$uppercase,$lowercase)" /> <xsl:param name="format" select="'w'"/> <xsl:param name="day-name"> <xsl:choose> <xsl:when test="$weekday = 'sun'">Sunday</xsl:when> <xsl:when test="$weekday = 'mon'">Monday</xsl:when> <xsl:when test="$weekday = 'tue'">Tuesday</xsl:when> <xsl:when test="$weekday = 'wed'">Wednesday</xsl:when> <xsl:when test="$weekday = 'thu'">Thursday</xsl:when> <xsl:when test="$weekday = 'fri'">Friday</xsl:when> <xsl:when test="$weekday = 'sat'">Satday</xsl:when> </xsl:choose> </xsl:param> <xsl:choose> <xsl:when test="$format = 'W'"> <xsl:value-of select="$day-name"/> </xsl:when> <xsl:when test="$format = 'w'"> <xsl:value-of select="substring($day-name,1,3)"/> </xsl:when> </xsl:choose> </xsl:template> </xsl:stylesheet>