From 1394692838bf221ef89108778106f957c769ba27 Mon Sep 17 00:00:00 2001
From: toidinamai <toidinamai@31f61c52-7bfb-0310-b897-fc00f8a278f0>
Date: Wed, 21 Dec 2005 01:19:46 +0000
Subject: [PATCH] Guckt mal, was ich kann!

git-svn-id: svn://svn.c3d2.de/c3d2-web/branches/toidinamais_coole_scheisse@56 31f61c52-7bfb-0310-b897-fc00f8a278f0
---
 xsl/xhtml.xsl | 169 ++++++++++++++++++++++++++++++++++++++++++--------
 1 file changed, 143 insertions(+), 26 deletions(-)

diff --git a/xsl/xhtml.xsl b/xsl/xhtml.xsl
index 568591327..32355e8d7 100644
--- a/xsl/xhtml.xsl
+++ b/xsl/xhtml.xsl
@@ -5,6 +5,107 @@
   xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#"
   exclude-result-prefixes="xsl rss rdf">
   
+<!-- Hilfsfunktionen für das Ausrechnen -->
+<xsl:template name="get-year">
+
+<!--
+Von Astro übersetzt aus 
+#define DIV(a, b) ((a) / (b) - ((a) % (b) < 0))
+#define LEAPS_THRU_END_OF(y) (DIV (y, 4) - DIV (y, 100) + DIV (y, 400))
+
+while (days < 0 || days >= (__isleap (y) ? 366 : 365))
+{
+  /* Guess a corrected year, assuming 365 days per year.  */
+  long int yg = y + days / 365 - (days % 365 < 0);
+
+  /* Adjust DAYS and Y to match the guessed year.  */
+  days -= ((yg - y) * 365
+       + LEAPS_THRU_END_OF (yg - 1)
+       - LEAPS_THRU_END_OF (y - 1));
+  y = yg;
+}
+nach
+int y(y, days)
+{
+       if (days < 0 || days >= (__isleap (y) ? 366 : 365))
+       {
+               long int yg = y + days / 365 - (days % 365 < 0);
+
+               days -= ((yg - y) * 365
+                                + LEAPS_THRU_END_OF (yg - 1)
+                                - LEAPS_THRU_END_OF (y - 1));
+
+               return(y(yg, days));
+       }
+       else
+               return(y);
+}
+.
+Von toidinamai übersetzt nach XSL.
+-->
+
+  <xsl:param name="days" select="0"/>
+  <xsl:param name="year" select="0"/>
+
+  <!-- Guess a corrected year, assuming 365 days per year.  -->
+  <xsl:variable name="yearguessed">
+    <xsl:choose>
+      <xsl:when test="days mod 365 &lt; 0">
+        <xsl:value-of select="$year + floor(days div 365) - 1" />
+      </xsl:when>
+      <xsl:otherwise>
+        <xsl:value-of select="$year + floor(days div 365)" />
+      </xsl:otherwise>
+    </xsl:choose>
+  </xsl:variable>
+
+  <!-- Adjust DAYS and Y to match the guessed year. -->
+  <xsl:variable name="daysadjusted">
+    <xsl:value-of select="(($yearguessed - $year) * 365
+    + LEAPS_THRU_END_OF (yearguessed - 1)
+    - LEAPS_THRU_END_OF (y - 1) )" />
+  </xsl:variable>
+
+  <xsl:choose>
+    <xsl:when test="((year) mod 4 = 0 and ((year) mod 100 != 0 or (year) mod 400 = 0))">
+
+      <xsl:choose>
+        
+        <xsl:when test="days &lt; 0 or days >= 366">
+          <xsl:call-template name="get-year">
+            <xsl:with-param name="year" select="yearguessed" />
+            <xsl:with-param name="days" select="daysadjusted" />
+          </xsl:call-template>
+        </xsl:when>
+
+        <xsl:otherwise>
+           <xsl:value-of select="$year" />
+        </xsl:otherwise>
+
+      </xsl:choose>
+    
+    </xsl:when>
+    
+    <xsl:otherwise>
+    
+      <xsl:choose>
+        <xsl:when test="days &lt; 0 or days &gt;= 365">
+          <xsl:call-template name="get-year">
+            <xsl:with-param name="year" select="yearguessed" />
+            <xsl:with-param name="days" select="daysadjusted" />
+          </xsl:call-template>
+        </xsl:when>
+
+        <xsl:otherwise>
+          <xsl:value-of select="$year" />
+        </xsl:otherwise>
+      </xsl:choose>
+
+    </xsl:otherwise>
+
+  </xsl:choose>
+</xsl:template>
+
 <xsl:output method="xml" 
             version="1.0" 
             encoding="utf-8" 
@@ -202,39 +303,55 @@
       </small>
 
       <!-- Magie: Datum aus Unix-Timestamp noch Deutsch transformieren... -->
+      <xsl:variable name="date_days">
+        <xsl:value-of select="floor(@date div 604800)" />
+      </xsl:variable>
       <xsl:variable name="date_dayofweek">
-        <xsl:value-of select="floor((@date mod 604800) div 86400) + 3 mod 7"/>
+        <xsl:value-of select="4 + $date_days mod 7"/>
+      </xsl:variable>
+      <xsl:variable name="date_hour">
+        <xsl:value-of select="format-number(floor(@date mod 86400 div 3600), '00')" />
+      </xsl:variable>
+      <xsl:variable name="date_minute">
+        <xsl:value-of select="format-number(floor(@date mod 3600 div 60), '00')" />
+      </xsl:variable>
+      <xsl:variable name="date_second">
+        <xsl:value-of select="format-number(floor(@date mod 60), '00')" />
       </xsl:variable>
       <xsl:variable name="date_dayofweekstring">
         <xsl:choose>
-          <xsl:when test="$date_dayofweek = 0">
-            Montag
-          </xsl:when>
-          <xsl:when test="$date_dayofweek = 1">
-            Dienstag
-          </xsl:when>
-          <xsl:when test="$date_dayofweek = 2">
-            Mittwoch
-          </xsl:when>
-          <xsl:when test="$date_dayofweek = 3">
-            Donnerstag
-          </xsl:when>
-          <xsl:when test="$date_dayofweek = 4">
-            Freitag
-          </xsl:when>
-          <xsl:when test="$date_dayofweek = 5">
-            Samstag
-          </xsl:when>
-          <xsl:when test="$date_dayofweek = 6">
-            Sonntag
-          </xsl:when>
+          <xsl:when test="$date_dayofweek = 0">Montag</xsl:when>
+          <xsl:when test="$date_dayofweek = 1">Dienstag</xsl:when>
+          <xsl:when test="$date_dayofweek = 2">Mittwoch</xsl:when>
+          <xsl:when test="$date_dayofweek = 3">Donnerstag</xsl:when>
+          <xsl:when test="$date_dayofweek = 4">Freitag</xsl:when>
+          <xsl:when test="$date_dayofweek = 5">Samstag</xsl:when>
+          <xsl:when test="$date_dayofweek = 6">Sonntag</xsl:when>
         </xsl:choose>
       </xsl:variable>
-      <xsl:variable name="date_dayofmonth" />
-      <xsl:variable name="date_monthstring" />
-      <xsl:variable name="date_year" />
+      <xsl:variable name="date_dayofmonth">23</xsl:variable>
+      <xsl:variable name="date_month">11</xsl:variable>
+      <xsl:variable name="date_monthstring">
+        <xsl:choose>
+          <xsl:when test="$date_month = 0">Januar</xsl:when>
+          <xsl:when test="$date_month = 1">Februar</xsl:when>
+          <xsl:when test="$date_month = 2">März</xsl:when>
+          <xsl:when test="$date_month = 3">April</xsl:when>
+          <xsl:when test="$date_month = 4">Mai</xsl:when>
+          <xsl:when test="$date_month = 5">Juni</xsl:when>
+          <xsl:when test="$date_month = 6">Juli</xsl:when>
+          <xsl:when test="$date_month = 7">August</xsl:when>
+          <xsl:when test="$date_month = 8">September</xsl:when>
+          <xsl:when test="$date_month = 9">Oktober</xsl:when>
+          <xsl:when test="$date_month = 10">November</xsl:when>
+          <xsl:when test="$date_month = 11">Dezember</xsl:when>
+        </xsl:choose>
+      </xsl:variable>
+      <xsl:variable name="date_year">
+        <xsl:call-template name="get-year" />
+      </xsl:variable>
       <xsl:variable name="datestring">
-        <xsl:value-of select="concat($date_dayofweekstring, ', ', $date_dayofmonth, '. ', $date_monthstring, ' ', $date_year)" />
+        <xsl:value-of select="concat($date_dayofweekstring, ', ', $date_dayofmonth, '. ', $date_monthstring, ' ', $date_year, ' um ', $date_hour, ':', $date_minute, ':', $date_second)" />
       </xsl:variable>
 
       <xsl:element name="small">