Added get next day to repository.

Author: Danilo Braband

next-day-date.xsl

@@ -0,0 +1,111 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<xsl:stylesheet version="1.0" xmlns:xsl="http://www.w3.org/1999/XSL/Transform">
+
+<xsl:template name="next-day-date">
+  <xsl:param name="date"/> <!-- format is YYYY-MM-DD -->
+
+  <xsl:param name="old_year" select="number(substring($date, 1, 4))"/>
+  <xsl:param name="old_month" select="number(substring($date, 6, 2))"/>
+  <xsl:param name="old_day" select="number(substring($date, 9, 2))"/>
+
+  <xsl:variable name="days-of-month">
+    <xsl:call-template name="days-of-month">
+      <xsl:with-param name="date" select="$date"/>
+    </xsl:call-template>
+  </xsl:variable>
+
+  <xsl:variable name="year">
+    <xsl:choose>
+      <xsl:when test="$old_month=12 and $old_day=$days-of-month">
+        <xsl:value-of select="$old_year+1"/>
+      </xsl:when>
+      <xsl:otherwise>
+        <xsl:value-of select="$old_year"/>
+      </xsl:otherwise>
+    </xsl:choose>
+  </xsl:variable>
+
+  <xsl:variable name="tmp_month">
+    <xsl:choose>
+      <xsl:when test="$year!=$old_year">
+        <xsl:text>1</xsl:text>
+      </xsl:when>
+      <xsl:when test="$old_day=$days-of-month">
+        <xsl:value-of select="$old_month+1"/>
+      </xsl:when>
+      <xsl:otherwise>
+        <xsl:value-of select="$old_month"/>
+      </xsl:otherwise>
+    </xsl:choose>
+  </xsl:variable>
+
+  <xsl:variable name="tmp_day">
+    <xsl:choose>
+      <xsl:when test="$tmp_month!=$old_month">
+        <xsl:text>1</xsl:text>
+      </xsl:when>
+      <xsl:otherwise>
+        <xsl:value-of select="$old_day+1"/>
+      </xsl:otherwise>
+    </xsl:choose>
+  </xsl:variable>
+
+  <xsl:variable name="month">
+    <xsl:if test="$tmp_month &lt; 10">
+      <xsl:text>0</xsl:text>
+    </xsl:if>
+    <xsl:value-of select="$tmp_month"/>
+  </xsl:variable>
+
+  <xsl:variable name="day">
+    <xsl:if test="$tmp_day &lt; 10">
+      <xsl:text>0</xsl:text>
+    </xsl:if>
+    <xsl:value-of select="$tmp_day"/>
+  </xsl:variable>
+
+  <xsl:value-of select="$year"/>
+  <xsl:text>-</xsl:text>
+  <xsl:value-of select="$month"/>
+  <xsl:text>-</xsl:text>
+  <xsl:value-of select="$day"/>
+  
+</xsl:template>
+  
+  
+<xsl:template name="days-of-month">
+  <xsl:param name="date"/>
+  <xsl:param name="month" select="number(substring($date, 6, 2))"/>
+  
+  <xsl:variable name="is-leap-year">
+    <xsl:call-template name="is-leap-year">
+      <xsl:with-param name="date" select="$date"/>
+    </xsl:call-template>
+  </xsl:variable>
+  
+  <xsl:choose>
+    <xsl:when test="$month=4 or $month=6 or $month=9 or $month=11">
+      <xsl:text>30</xsl:text>
+    </xsl:when>
+    <xsl:when test="$month=2 and $is-leap-year">
+      <xsl:text>29</xsl:text>
+    </xsl:when>
+    <xsl:when test="$month=2">
+      <xsl:text>28</xsl:text>
+    </xsl:when>
+    <xsl:otherwise>
+      <xsl:text>31</xsl:text>
+    </xsl:otherwise>
+  </xsl:choose>
+  
+</xsl:template>
+  
+<xsl:template name="is-leap-year">
+  <xsl:param name="date"/>
+  <xsl:param name="year" select="substring($date, 1, 4)"/>
+  
+  <xsl:value-of select="($year mod 4 = 0 and $year mod 100 != 0) or $year mod 400 = 0"/>
+  
+</xsl:template>
+
+</xsl:stylesheet>