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Re: [xsl] Replacing the element's attribute in sequential order


Subject: Re: [xsl] Replacing the element's attribute in sequential order
From: "Ihe Onwuka ihe.onwuka@xxxxxxxxx" <xsl-list-service@xxxxxxxxxxxxxxxxxxxxxx>
Date: Fri, 1 Aug 2014 09:33:35 -0000

http://www.dpawson.co.uk/xsl/sect2/N1553.html#d2256e169


On Fri, Aug 1, 2014 at 10:29 AM, varun bhatnagar varun292006@xxxxxxxxx <
xsl-list-service@xxxxxxxxxxxxxxxxxxxxxx> wrote:

> Hi,
>
> Thanks a ton for the reply.
> I am using XSLT-1.0 so I don't think for loop will work. I am loading the
> file using python code, lxml library does that for me. I pass my files one
> by one to the method given below and merge the files.
>
>  def startXSLTMerge(self, mergeFileName, inputFile):
>         parser = etree.XMLParser()
>         parser.resolvers.add(FileResolver())
>
>         xml_input = etree.parse(open(inputFile,'r'), parser)
>         xslt_root = etree.parse(open(mergeGeneric.xsl','r'), parser)
>         transform = etree.XSLT(xslt_root)
>         result = str(transform(xml_input))
>         print str(transform(xml_input))
>
>         f = open('Merged_File.xml', 'w+')
>         f.write(str(result))
>         f.close()
>
> I was trying something like this (this is not giving me the correct
> result, but something which I have tried):
>
> <xsl:template match="/InfoTag/Procedure">
> <xsl:variable name="countDocProcedures">
> <xsl:value-of select="count(/InfoTag/Procedure)"/>
>  </xsl:variable>
>  <xsl:variable name="countProcedures">
>  <xsl:value-of
> select="count(document('NewFile1.xml')/InfoTag/Procedure)"/>
> </xsl:variable>
>
> <xsl:variable name="totalProcedures">
> <xsl:value-of select="$countDocProcedures + $countProcedures"/>
>  </xsl:variable>
>  <xsl:call-template name="callProcedure">
>  <xsl:with-param name="test" select="$totalProcedures"/>
> </xsl:call-template>
>  </xsl:template>
>   <xsl:template name="callProcedure">
> <xsl:param name="test"/>
>  <xsl:if test="$test &gt; 0">
>  <xsl:copy>
> <xsl:if test="/InfoTag/Procedure/downTime">
> <xsl:attribute name="attrProc">
>  <xsl:value-of select="$test"></xsl:value-of>
> </xsl:attribute>
> <xsl:attribute name="attrLevel">
>  <xsl:value-of select="'##### NOT UNIQUE#####'"></xsl:value-of>
> </xsl:attribute>
>  <xsl:copy-of select="downTime"></xsl:copy-of>
> </xsl:if>
> </xsl:copy>
>  <xsl:call-template name="callProcedure">
>         <xsl:with-param name="test" select="$test - 1"/>
>       </xsl:call-template>
>  </xsl:if>
> </xsl:template>
>
> It is getting '10' in test parameter which I have passed. Still trying to
> find out why.
> Could you help me.
>
>
> Thanks,
> BR,
> Varun
>
>
> On Fri, Aug 1, 2014 at 11:19 AM, Martin Honnen martin.honnen@xxxxxx <
> xsl-list-service@xxxxxxxxxxxxxxxxxxxxxx> wrote:
>
>> varun bhatnagar varun292006@xxxxxxxxx wrote:
>>
>>> Hi,
>>>
>>> I have few xml files (depends on user how much he/she wants to pass). I
>>> have to take those files and merge them, so I have created a loop and in
>>> that I am passing these files one by one. For this I have written few
>>> rules to merge. But there is this <Procedure> tag where I am stuck. To
>>> merge this I need to parse each Procedure and have to modify its
>>> attributes (attrProc and attrLevel). I have to replace the attrProc
>>> attribute with a sequential value and for me this will set a unique
>>> "Level" for each Procedure tag and later I will process them based on
>>> their level.
>>>
>>>
>>> _File1.xml_
>>>
>>> *<?xml version="1.0" encoding="UTF-8"?>*
>>> *<InfoTag>*
>>> *<Procedure attrProc="TestProcA" attrLevel="1">*
>>> *      <downTime>*
>>> *        <acceptableDownTime>*
>>> *          <all/>*
>>> *        </acceptableDownTime>*
>>> *        <downTimePeriod time="600000000"/>*
>>> *      </downTime>*
>>> *    </Procedure>*
>>> **
>>> * <Procedure attrProc="TestProcB" attrLevel="2">*
>>> *      <downTime>*
>>> *        <acceptableDownTime>*
>>> *          <all/>*
>>> *        </acceptableDownTime>*
>>> *        <downTimePeriod time="600000000"/>*
>>> *      </downTime>*
>>> *    </Procedure>*
>>> *</InfoTag>*
>>>
>>>
>>> _File2.xml_
>>> _
>>> _
>>> *<?xml version="1.0" encoding="UTF-8"?>*
>>> *<InfoTag>*
>>> *<Procedure attrProc="TestProcC" attrLevel="3">*
>>> *      <downTime>*
>>> *        <acceptableDownTime>*
>>> *          <all/>*
>>> *        </acceptableDownTime>*
>>> *        <downTimePeriod time="600000000"/>*
>>> *      </downTime>*
>>> *    </Procedure>*
>>> **
>>> * <Procedure attrProc="TestProcD" attrLevel="4">*
>>> *      <downTime>*
>>> *        <acceptableDownTime>*
>>> *          <all/>*
>>> *        </acceptableDownTime>*
>>> *        <downTimePeriod time="600000000"/>*
>>> *      </downTime>*
>>> *    </Procedure>*
>>> *</InfoTag>*
>>>
>>>
>>>
>>> I am trying to fetch an output file which looks like this:
>>>
>>> _Output.xml_
>>>
>>> *<InfoTag>*
>>> *<Procedure attrProc="1" attrLevel="### NOT UNIQUE ###">*
>>> *      <downTime>*
>>> *        <acceptableDownTime>*
>>> *          <all/>*
>>> *        </acceptableDownTime>*
>>> *        <downTimePeriod time="600000000"/>*
>>> *      </downTime>*
>>> *    </Procedure>*
>>> * <Procedure attrProc="2" attrLevel="### NOT UNIQUE ###">*
>>> *      <downTime>*
>>> *        <acceptableDownTime>*
>>> *          <all/>*
>>> *        </acceptableDownTime>*
>>> *        <downTimePeriod time="600000000"/>*
>>> *      </downTime>*
>>> *    </Procedure>*
>>> *<Procedure attrProc="3" attrLevel="### NOT UNIQUE ###">*
>>> *      <downTime>*
>>> *        <acceptableDownTime>*
>>> *          <all/>*
>>> *        </acceptableDownTime>*
>>> *        <downTimePeriod time="600000000"/>*
>>> *      </downTime>*
>>> *    </Procedure>*
>>> * <Procedure attrProc="4" attrLevel="### NOT UNIQUE ###">*
>>> *      <downTime>*
>>> *        <acceptableDownTime>*
>>> *          <all/>*
>>> *        </acceptableDownTime>*
>>> *        <downTimePeriod time="600000000"/>*
>>> *      </downTime>*
>>> *    </Procedure> *
>>> *</InfoTag>*
>>>
>>>
>>>
>>> I am thinking of looping it and will count the occurrences of it and
>>> then I am thinking to replace the value. But I am not able to do that.
>>> Can anyone tell me how to achieve this. How can I loop every Procedure
>>> tag and and append the attrProc attribute value in a sequential order?
>>>
>>
>> How do you load the files?
>>
>> I would simply use Saxon 9 and collection, as in
>>
>> <xsl:template match="/" name="main">
>>   <InfoTag>
>>     <xsl:apply-templates select="collection('.?select=*
>> .xml')//Procedure"/>
>>   </InfoTag>
>> </xsl:template>
>>
>> <xsl:template match="Procedure">
>>   <Procedure attrProc="{position()}" attrLevel="### NOT UNIQUE ###">
>>     <xsl:apply-templates/>
>>   </Procedure>
>> </xsl:template>
>>
>> maybe with an additional <xsl:sort select="@attrLevel"/> on the
>> apply-templates of the collection, depending on which ordering you need. If
>> the name of the files are known then you can of course also do
>>
>> <xsl:template match="/" name="main">
>>   <InfoTag>
>>     <xsl:apply-templates select="for $file in (doc('file1.xml'),
>> doc('file2.xml')) return $file//Procedure"/>
>>   </InfoTag>
>> </xsl:template>
>>
>> <xsl:template match="Procedure">
>>   <Procedure attrProc="{position()}" attrLevel="### NOT UNIQUE ###">
>>     <xsl:apply-templates/>
>>   </Procedure>
>> </xsl:template>
>>
>>
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