Re: [oXygen-user] Problem with Saxon's EXPath/file:exists on Mac

23 Mar 2014

      Hi George,

thanks for your quick response. It provides a useful workaround, but:
...
[…] You pass an URI while that expects a file path. […]
From The EXpath-Spec [1]:

»An implementation must accept absolute and relative UNIX/Linux and Windows paths as well as absolute file URIs.«

So I think it is OK to provide an absolute URI for the parameter.

BTW: My attempt to solve the issue in a more general way was file:path-to-native(), but it resolves the URI wrong. file:path-to-native("file:/Users/Stf/Documents/trash/file-exists.xsl") evaluates to »/Applications/oxygenXML 15.2/Users/Stf/Documents/trash/file-exists.xsl« (tested with the stylesheet [2]). Maybe this is the same problem as with file:exists().

Best regards,

Stefan

[1] http://expath.org/spec/file#file-paths

[2] Modified test stylesheet:

<?xml version="1.0" encoding="UTF-8"?>
<xsl:stylesheet
	xmlns:xsl="http://www.w3.org/1999/XSL/Transform"
	xmlns:xs="http://www.w3.org/2001/XMLSchema"
	xmlns:file="http://expath.org/ns/file"
	version="2.0"
	exclude-result-prefixes="#all">
	<xsl:template match="/">
		<xsl:variable name="file" as="xs:string" select="string(document-uri(/))"/>
		<root>
			<test>
				<xsl:value-of select="$file"/>: <xsl:value-of select="file:exists($file)"/>
			</test>
			<xsl:variable name="file2" as="xs:string" select="substring-after($file, 'file:')"/>
			<test>
				<xsl:value-of select="$file2"/>: <xsl:value-of select="file:exists($file2)"/>
			</test>
			<xsl:variable name="file3" as="xs:string" select="file:path-to-native($file)"/>
			<test>
				<xsl:value-of select="$file3"/>: <xsl:value-of select="file:exists($file3)"/>
			</test>
		</root>
	</xsl:template>
</xsl:stylesheet>

Result:

<root>
	<test>file:/Users/Stf/Documents/trash/file-exists.xsl: false</test>
	<test>/Users/Stf/Documents/trash/file-exists.xsl: true</test>
	<test>/Applications/oxygenXML 15.2/Users/Stf/Documents/trash/file-exists.xsl: false</test>
</root>

Am 23.03.2014 um 08:43 schrieb George Cristian Bina <george@oxygenxml.com>:
...
Hi Stefan,
I think you are not passing the expected parameter to the file:exists function. You pass an URI while that expects a file path. For example, if I remove the "file:" part of the URI from the stylesheet then it returns true on my Mac:
<xsl:stylesheet
 xmlns:xsl="http://www.w3.org/1999/XSL/Transform"
 xmlns:xs="http://www.w3.org/2001/XMLSchema"
 xmlns:file="http://expath.org/ns/file"
 version="2.0"
 exclude-result-prefixes="#all">
 <xsl:template match="/">
   <xsl:variable name="file" as="xs:string" select="string(document-uri(/))"/>
   <test>
     <xsl:value-of select="$file"/>: <xsl:value-of select="file:exists(substring-after($file, 'file:'))"/>/<xsl:value-of select="doc-available($file)"/>
   </test>
 </xsl:template>
</xsl:stylesheet>
-->
<test>file:/Users/george/test/test.xsl: true/true</test>
Best Regards,
George
--
George Cristian Bina
<oXygen/> XML Editor, Schema Editor and XSLT Editor/Debugger
http://www.oxygenxml.com
On 3/22/14, 3:15 PM, Stefan Krause wrote:
...
Hi all,
I have the following stylesheet:
<xsl:stylesheet
xmlns:xsl="http://www.w3.org/1999/XSL/Transform"
xmlns:xs="http://www.w3.org/2001/XMLSchema"
xmlns:file="http://expath.org/ns/file"
version="2.0"
exclude-result-prefixes="#all">
<xsl:templatematch="/">
<xsl:variablename="file"as="xs:string"select="string(document-uri(/))"/>
<test>
<xsl:value-ofselect="$file"/>:
<xsl:value-ofselect="file:exists($file)"/>/<xsl:value-ofselect="doc-available($file)"/>
</test>
</xsl:template>
</xsl:stylesheet>
I run it from OxygenXML with the stylesheet itself as the input document.
I expected the result is
<test>file:/Users/Stf/Documents/trash/file-exists.xsl: true/true</test>
but actually it is
<test>file:/Users/Stf/Documents/trash/file-exists.xsl: false/true</test>
Since I get the expected result from Oxygen on Windows, I think there is
something wrong with the Mac implementation.
I use XML Editor 15.2, build 2014022718 on Mac OS X 10.9.2 (13C64) with
java.version=1.6.0_65. The transformation scenario uses Saxon-PE, and
Saxon’s »-ext«-option is checked. There are no errors during the
transformation.
Any hints to get the right result?
Thank you,
Stefan
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