xml - Delete namespace from xmlstarlet output -


background

looking extract elements following xml content:

<ui:composition xmlns="http://www.w3.org/1999/xhtml"                 xmlns:h="http://java.sun.com/jsf/html"                 xmlns:f="http://java.sun.com/jsf/core"                 xmlns:ui="http://java.sun.com/jsf/facelets">     <h:inputtext id="id"/>     ... </ui:composition>

extraction

all h:inputtext elements can selected using:

xmlstarlet sel -t -c "//h:inputtext" filename.xml

problem

this produces following namespace-infested output:

<h:inputtext     xmlns="http://www.w3.org/1999/xhtml"     xmlns:h="http://java.sun.com/jsf/html"     xmlns:f="http://java.sun.com/jsf/core"     xmlns:ui="http://java.sun.com/jsf/facelets" id="id"/>

question

how can namespaces suppressed output?

ideas

use regular expressions post-process; however:

  • sed doesn't have non-greedy match;
  • perl heavyweight (and require complex regex).

pipe through xmllint or xmlstarlet second pass, requires well-formed xml document.

using xmllint poses own set of namespace problems.

produce document comprised of ui:composition , h:inputtext elements:

<ui:composition     xmlns="http://www.w3.org/1999/xhtml"     xmlns:h="http://java.sun.com/jsf/html"     xmlns:f="http://java.sun.com/jsf/core"     xmlns:ui="http://java.sun.com/jsf/facelets">   <h:inputtext id="id"/>   <h:inputtext id="id"/> </ui:composition>

this tricky because h:inputtext elements can occur @ depth of document.

you use xslt. if want output h:inputtext as-is, won't able suppress namespace declaration binding prefix h: uri http://java.sun.com/jsf/html.

xslt 1.0

create input.xsl:

<xsl:stylesheet version="1.0" xmlns:xsl="http://www.w3.org/1999/xsl/transform"    xmlns:h="http://java.sun.com/jsf/html">   <xsl:output omit-xml-declaration="yes"/>   <xsl:strip-space elements="*"/>    <xsl:template match="/">     <xsl:apply-templates select="//h:inputtext"/>   </xsl:template>    <xsl:template match="h:inputtext">     <xsl:copy>       <xsl:copy-of select="@*"/>     </xsl:copy>   </xsl:template>  </xsl:stylesheet>

xmlstarlet command

xmlstarlet tr input.xsl filename.xml

output

<h:inputtext xmlns:h="http://java.sun.com/jsf/html" id="id"/>

you output inputtext in no namespace though...

xslt 1.0

<xsl:stylesheet version="1.0" xmlns:xsl="http://www.w3.org/1999/xsl/transform"    xmlns:h="http://java.sun.com/jsf/html" exclude-result-prefixes="h">   <xsl:output omit-xml-declaration="yes"/>   <xsl:strip-space elements="*"/>    <xsl:template match="/">     <xsl:apply-templates select="//h:inputtext"/>   </xsl:template>    <xsl:template match="h:inputtext">     <inputtext>       <xsl:copy-of select="@*"/>     </inputtext>   </xsl:template>  </xsl:stylesheet>

output

using same command line above:

<inputtext id="id"/>

note: might need add <xsl:text>&#xa;</xsl:text> after </xsl:copy> (or </inputtext> in second example) explicitly add newline. otherwise xmlstartlet might output elements on single line. (it did me using xmlstarlet 1.6.1 , indent="yes" on xsl:output didn't help.)

jsf output

since jsf involved, consider:

<xsl:stylesheet version="1.0"                 xmlns:xsl="http://www.w3.org/1999/xsl/transform"                  xmlns:h="http://java.sun.com/jsf/html"                 xmlns:f="http://java.sun.com/jsf/core"                 xmlns:c="http://java.sun.com/jsp/jstl/core"                 xmlns:ui="http://java.sun.com/jsf/facelets"                 xmlns:a4j="http://richfaces.org/a4j"                 exclude-result-prefixes="h f c ui a4j">     <xsl:output method="xml" omit-xml-declaration="yes" />     <xsl:strip-space elements="*"/>      <xsl:template match="/">         <h:html>             <xsl:apply-templates select="//h:inputtext"/>         </h:html>         <xsl:text>&#xa;</xsl:text>     </xsl:template>      <xsl:template match="h:inputtext">         <xsl:text>&#xa;</xsl:text>         <h:inputtext>             <xsl:copy-of select="@*"/>         </h:inputtext>         <xsl:text>&#xa;</xsl:text>     </xsl:template> </xsl:stylesheet>

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