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author | upstream source tree <ports@midipix.org> | 2015-03-15 20:14:05 -0400 |
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committer | upstream source tree <ports@midipix.org> | 2015-03-15 20:14:05 -0400 |
commit | 554fd8c5195424bdbcabf5de30fdc183aba391bd (patch) | |
tree | 976dc5ab7fddf506dadce60ae936f43f58787092 /libjava/classpath/gnu/xml/transform/WithParam.java | |
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Diffstat (limited to 'libjava/classpath/gnu/xml/transform/WithParam.java')
-rw-r--r-- | libjava/classpath/gnu/xml/transform/WithParam.java | 127 |
1 files changed, 127 insertions, 0 deletions
diff --git a/libjava/classpath/gnu/xml/transform/WithParam.java b/libjava/classpath/gnu/xml/transform/WithParam.java new file mode 100644 index 000000000..2e726fb82 --- /dev/null +++ b/libjava/classpath/gnu/xml/transform/WithParam.java @@ -0,0 +1,127 @@ +/* WithParam.java -- + Copyright (C) 2004 Free Software Foundation, Inc. + +This file is part of GNU Classpath. + +GNU Classpath is free software; you can redistribute it and/or modify +it under the terms of the GNU General Public License as published by +the Free Software Foundation; either version 2, or (at your option) +any later version. + +GNU Classpath is distributed in the hope that it will be useful, but +WITHOUT ANY WARRANTY; without even the implied warranty of +MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU +General Public License for more details. + +You should have received a copy of the GNU General Public License +along with GNU Classpath; see the file COPYING. If not, write to the +Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA +02110-1301 USA. + +Linking this library statically or dynamically with other modules is +making a combined work based on this library. Thus, the terms and +conditions of the GNU General Public License cover the whole +combination. + +As a special exception, the copyright holders of this library give you +permission to link this library with independent modules to produce an +executable, regardless of the license terms of these independent +modules, and to copy and distribute the resulting executable under +terms of your choice, provided that you also meet, for each linked +independent module, the terms and conditions of the license of that +module. An independent module is a module which is not derived from +or based on this library. If you modify this library, you may extend +this exception to your version of the library, but you are not +obligated to do so. If you do not wish to do so, delete this +exception statement from your version. */ + +package gnu.xml.transform; + +import java.util.Collections; +import javax.xml.namespace.QName; +import javax.xml.transform.TransformerException; +import org.w3c.dom.Document; +import org.w3c.dom.DocumentFragment; +import org.w3c.dom.Node; +import gnu.xml.xpath.Expr; + +/** + * A specification for setting a variable or parameter during template + * processing with <code>apply-templates</code> or + * <code>call-template</code>. + * + * @author <a href='mailto:dog@gnu.org'>Chris Burdess</a> + */ +final class WithParam +{ + + final QName name; + final Expr select; + final TemplateNode content; + + WithParam(QName name, Expr select) + { + this.name = name; + this.select = select; + content = null; + } + + WithParam(QName name, TemplateNode content) + { + this.name = name; + this.content = content; + select = null; + } + + Object getValue(Stylesheet stylesheet, QName mode, + Node context, int pos, int len) + throws TransformerException + { + if (select != null) + { + return select.evaluate(context, pos, len); + } + else if (content == null) + { + return ""; + } + else + { + Document doc = (context instanceof Document) ? (Document) context : + context.getOwnerDocument(); + DocumentFragment fragment = doc.createDocumentFragment(); + content.apply(stylesheet, mode, + context, pos, len, + fragment, null); + return Collections.singleton(fragment); + } + } + + WithParam clone(Stylesheet stylesheet) + { + if (content == null) + { + return new WithParam(name, + select.clone(stylesheet)); + } + else + { + return new WithParam(name, + content.clone(stylesheet)); + } + } + + boolean references(QName var) + { + if (select != null && select.references(var)) + { + return true; + } + if (content != null && content.references(var)) + { + return true; + } + return false; + } + +} |