Function Reference
ApplicationBaseHelpURI
Application base help URI.
Syntax:
wwenv:ApplicationBaseHelpURI()
Returns:
string: A string.
ApplicationVersion
Full version of application.
Syntax:
wwenv:ApplicationVersion()
Returns:
string: String formatted as 'Major.Minor.Build'.
Example:

<xsl:variable name="VarVersion" select="wwenv:ApplicationVersion()" />
<meta name="generator" content="ePublisher {$VarVersion}" />
ApplicationVersionBuild
Build number of application.
Syntax:
wwenv:ApplicationVersionBuild()
Returns:
string: String formatted as 'Build'.
ApplicationVersionMajor
Major version of application.
Syntax:
wwenv:ApplicationVersionMajor()
Returns:
string: String formatted as 'Major'.
ApplicationVersionMinor
Minor version of application.
Syntax:
wwenv:ApplicationVersionMinor()
Returns:
string: String formatted as 'Minor'.
CurrentUILocale
Current user interface locale.
Syntax:
wwenv:CurrentUILocale()
Returns:
string: A string.
Example:

<xsl:variable name="VarLocale" select="wwenv:CurrentUILocale()" />
<xsl:if test="starts-with($VarLocale, 'en')">
<p>English content here</p>
</xsl:if>
GetTotalMemory
Reports the total amount of memory used by the running process. Useful for optimizing XSL to reduce memory usage.
Syntax:
wwenv:GetTotalMemory($forceFullCollection)
Parameters:
Name
Type
Description
forceFullCollection
bool
True to force full collection.
Returns:
long: The total memory in bytes.
Example:

<xsl:variable name="VarMemory" select="wwenv:GetTotalMemory(false())" />
<xsl:variable name="VarLogResult" select="wwlog:Message(concat('Memory usage: ', $VarMemory, ' bytes'))" />
HTMLHelpWorkshopPath
HTML help workshop path.
Syntax:
wwenv:HTMLHelpWorkshopPath()
Returns:
string: A string.
Example:

<xsl:variable name="VarHHWPath" select="wwenv:HTMLHelpWorkshopPath()" />
<xsl:variable name="VarHHCExe" select="wwfilesystem:Combine($VarHHWPath, 'hhc.exe')" />
JavaBits
Gets latest version of either JDK pr JRE bits stored in registry.
Syntax:
wwenv:JavaBits()
Returns:
string: The JDK/JRE bits string stored in registry.
JavaHome
Gets latest version of either JDK or JRE home directory path.
Syntax:
wwenv:JavaHome()
Returns:
string: JDK/JRE home directory path string.
Example:

<xsl:variable name="VarJavaHome" select="wwenv:JavaHome()" />
<xsl:variable name="VarJavaExe" select="wwfilesystem:Combine($VarJavaHome, 'bin', 'java.exe')" />
JavaVersion
Gets latest version of either the JDK or JRE version stored in registry.
Syntax:
wwenv:JavaVersion()
Returns:
string: JDK/JRE version string stored in registry.
JDKBits
Gets Java Development Kit (JDK) bits stored in registry.
Syntax:
wwenv:JDKBits()
Returns:
string: JDK bits string stored in registry.
JDKHome
Gets Java Development Kit (JDK) home directory path.
Syntax:
wwenv:JDKHome()
Returns:
string: JDK home directory path string.
Example:

<xsl:variable name="VarJDKHome" select="wwenv:JDKHome()" />
<xsl:variable name = "VarJarPath" select="wwfilesystem:Combine($VarJDKHome, 'jar')" />
<xsl:variable name = "VarJarCommand" select="wwexec:ExecuteCommand($VarJarPath, 'cvf', 'output.jar', '.')" />
JDKVersion
Gets Java Development Kit (JDK) version stored in registry.
Syntax:
wwenv:JDKVersion()
Returns:
string: JDK version string stored in registry.
JREBits
Gets Java Runtime Environment (JRE) bits stored in registry.
Syntax:
wwenv:JREBits()
Returns:
string: The JRE bits string stored in registry
JREHome
Gets Java Runtime Environment (JRE) home directory path.
Syntax:
wwenv:JREHome()
Returns:
string: JRE home directory path string.
JREVersion
Gets Java Runtime Environment (JRE) version stored in registry.
Syntax:
wwenv:JREVersion()
Returns:
string: JRE version string stored in registry.
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Last modified date: 01/12/2026