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RE: Normalizing/Simplify MS-Excel XML

2005-08-16 04:07:34
Hi Kaila,

thanks so mutch, works like a charm!
My stylesheet takes the name of a worksheet as a parameter and pulls the 
values into a easier structure for further import (I asume that the first 
row does have the field names and no "holes"). For future readers I 
include my sheet below:

<?xml version="1.0" encoding="UTF-8"?>
<xsl:stylesheet version="1.0" xmlns:xsl="
http://www.w3.org/1999/XSL/Transform"; xmlns:e="
urn:schemas-microsoft-com:office:spreadsheet" xmlns:ss="
urn:schemas-microsoft-com:office:spreadsheet" exclude-result-prefixes="e 
ss">
        <xsl:output method="xml" version="1.0" encoding="UTF-8" indent="
yes"/>
        <xsl:param name="sheetname">Sheet 1/xsl:param>
        <xsl:template match="e:Workbook">
                <xsl:element name="importdata">
                        <xsl:attribute name="type"><xsl:value-of select="
$sheetname"/></xsl:attribute>
                        <xsl:apply-templates select="
e:Worksheet[(_at_)ss:Name=$sheetname]"/>
                </xsl:element>
        </xsl:template>
        <xsl:template match="e:Worksheet">
                <xsl:apply-templates select="e:Table/e:Row"/>
        </xsl:template>
        <xsl:template match="ss:Row">
                <xsl:if test="not(ss:Cell[1]/@ss:Index)">
                        <!-- We do NOT process records where the first 
cell is empty -->
                        <xsl:element name="record">
                                <xsl:attribute name="position"><
xsl:value-of select="position()-1"/></xsl:attribute>
                                <xsl:apply-templates select="e:Cell"/>
                        </xsl:element>
                </xsl:if>
        </xsl:template>
        <xsl:template match="ss:Cell">
                <xsl:variable name="curCol">
                        <xsl:choose>
                                <xsl:when test="@ss:Index">
                                        <xsl:value-of select="@ss:Index"/>
                                </xsl:when>
                                <xsl:otherwise>
                                        <xsl:call-template name="
cell-index">
                                                <xsl:with-param name="idx" 
select="1"/>
                                        </xsl:call-template>
                                </xsl:otherwise>
                        </xsl:choose>
                </xsl:variable>
                <xsl:element name="field">
                        <xsl:attribute name="col"><xsl:value-of select="
$curCol"/></xsl:attribute>
                        <xsl:attribute name="name"><xsl:value-of select="
normalize-space(ancestor::e:Table/e:Row[position()=1]/e:Cell[position()=$curCol])
"/></xsl:attribute>
                        <xsl:value-of select="ss:Data"/>
                </xsl:element>
        </xsl:template>
        <xsl:template name="cell-index">
                <xsl:param name="idx"/>
                <xsl:if test="$idx &lt;= position()">
                        <xsl:choose>
                                <xsl:when test="
preceding-sibling::ss:Cell[position()=$idx]/@ss:Index">
                                        <xsl:value-of select="
preceding-sibling::ss:Cell[position()=$idx]/@ss:Index +$idx"/>
                                </xsl:when>
                                <xsl:when test="$idx = position()">
                                        <xsl:value-of select="$idx"/>
                                </xsl:when>
                                <xsl:otherwise>
                                        <xsl:call-template name="
cell-index">
                                                <xsl:with-param name="idx" 
select="$idx+1"/>
                                        </xsl:call-template>
                                </xsl:otherwise>
                        </xsl:choose>
                </xsl:if>
        </xsl:template>
</xsl:stylesheet>

To be very honest:

I do not fully understand how the recursive call to cell-index is actually 
working. If a kind soul could enlighten me on that one, that would be 
great.
:-) stw

"Kaila Kaarle" <Kaarle(_dot_)Kaila(_at_)nice(_dot_)fi> wrote on 15/08/2005 
20:28:47:

hi,

I had the same task a while ago and you can find my solution at:

http://www.kk-software.fi/kalle/xslt/fromExcel.xsl

It fills all empty cells but doesn't do anything with empty rows
as I'm not interested in them.

regards
Kaarle

-----Original Message-----
From: stephan(_at_)wissel(_dot_)net [mailto:stephan(_at_)wissel(_dot_)net]
Sent: 15. elokuuta 2005 14:36
To: xsl-list(_at_)lists(_dot_)mulberrytech(_dot_)com
Subject: [xsl] Normalizing/Simplify MS-Excel XML


Hi there,

cracking my head on this...
I try to convert an Excel XML Spreadsheet into a simpler format. My 
first 
attempt works fine (my Excel sheet name is called "Sheet 1") but only 
when 
all cells are filled (see code below). When cells in Excel are not 
filled 
Excel XML simply adds a column reference to the next following cell like 

this:

<Row>
<Cell><Data ss:Type="String">Peter Pan</Data></Cell>
<Cell ss:Index="4"><Data ss:Type="String">Toon</Data></Cell>
<Cell><Data ss:Type="String">Disney</Data></Cell>
<Cell><Data ss:Type="String">USA</Data></Cell>
<Cell ss:Index="11"><Data ss:Type="String">7</Data></Cell>
<Cell><Data ss:Type="String">GA</Data></Cell>
</Row>

So type of movie is in column 4, the Studio in column 5 and the country 
in 
column 6.
(Column 2 would have the Male Star and Column 3 the Female, which is 
empty 
for Toons or Animee, Column 7-10 some more statistical data)

I need:
<movie>
<title>Peter 

Pan</title><genre>Toon</genre><studio>Disney</studio><country>USA</country><rating>7</rating><audience>GA</audience>
</movie>

The field names are in the first row....
What I wonder: how do I get an XPath expression (I guess 
preceding-sibling:: comes into play) that can give me the column name 
based on the last ss:Index and the "distance to it", so I get column 6 
for 
Disney, column 7 for USA etc.

So it seems to be the basic axis question: "When within my siblings was 
the last time a attribute of type x appeared and what was the value. The 

what was the value question seems rather simple: select="
preceding-sibling::e:Cell/@ss:Index"
The "how many nodes ago" question is where I'm stuck....

Help is greatly appreciated!!!
:-) stw

My template that works for full rows:

<?xml version="1.0" encoding="UTF-8"?>
<xsl:stylesheet version="1.0" xmlns:xsl="
http://www.w3.org/1999/XSL/Transform"; xmlns:e="
urn:schemas-microsoft-com:office:spreadsheet" xmlns:ss="
urn:schemas-microsoft-com:office:spreadsheet" exclude-result-prefixes="e 

ss">
        <xsl:output method="xml" version="1.0" encoding="UTF-8" indent="
yes"/>
        <xsl:param name="sheetname">Sheet 1</xsl:param>
        <xsl:template match="e:Workbook">
                <xsl:element name="importdata">
                        <xsl:attribute name="type"><xsl:value-of 
select="
$sheetname"/></xsl:attribute>
                        <xsl:apply-templates select="
e:Worksheet[(_at_)ss:Name=$sheetname]"/>
                </xsl:element>
        </xsl:template>
        <xsl:template match="e:Worksheet">
                <xsl:apply-templates select="e:Table"/>
        </xsl:template>
        <xsl:template match="e:Table">
                <xsl:apply-templates select="e:Row"/>
        </xsl:template>
        <xsl:template match="e:Row">
                <xsl:element name="record">
                        <xsl:attribute name="position"><xsl:value-of 
select="position()-1"/></xsl:attribute>
                        <xsl:apply-templates select="e:Cell"/>
                </xsl:element>
        </xsl:template>
        <xsl:template match="e:Cell[e:Data!='']">
                <xsl:variable name="pos" select="position()"/>
                <xsl:element name="field">
                        <xsl:attribute name="name"><xsl:value-of 
select="

normalize-space(ancestor::e:Table/e:Row[position()=1]/e:Cell[position()=$pos])
"/></xsl:attribute>
                        <xsl:value-of select="e:Data"/>
                </xsl:element>
        </xsl:template>
        <!-- elements we do not need -->
        <xsl:template match="e:Row[position()=1]"/>
        <!-- First row contains field names -->
        <xsl:template match="*"/>
</xsl:stylesheet>


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