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// Copyright Vespa.ai. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
package com.yahoo.vespa.hosted.node.admin.task.util.template;
import com.yahoo.vespa.hosted.node.admin.task.util.text.Cursor;
import com.yahoo.vespa.hosted.node.admin.task.util.text.CursorRange;
import java.util.Optional;
/**
* @author hakonhall
*/
class IfSection extends Section {
private final boolean negated;
private final String name;
private final Cursor nameOffset;
private final SectionList ifSections;
private final Optional<SectionList> elseSections;
IfSection(CursorRange range, boolean negated, String name, Cursor nameOffset,
SectionList ifSections, Optional<SectionList> elseSections) {
super("if", range);
this.negated = negated;
this.name = name;
this.nameOffset = nameOffset;
this.ifSections = ifSections;
this.elseSections = elseSections;
}
String name() { return name; }
Cursor nameOffset() { return nameOffset; }
@Override
void appendTo(StringBuilder buffer) {
Optional<String> stringValue = template().getVariableValue(name);
if (stringValue.isEmpty())
throw new TemplateNameNotSetException(name, nameOffset);
final boolean value;
if (stringValue.get().equals("true")) {
value = true;
} else if (stringValue.get().equals("false")) {
value = false;
} else {
throw new NotBooleanValueTemplateException(name);
}
boolean condition = negated ? !value : value;
if (condition) {
ifSections.sections().forEach(section -> section.appendTo(buffer));
} else if (elseSections.isPresent()) {
elseSections.get().sections().forEach(section -> section.appendTo(buffer));
}
}
@Override
void appendCopyTo(SectionList sectionList) {
SectionList ifSectionCopy = new SectionList(ifSections.range().start(), sectionList.templateBuilder());
ifSections.sections().forEach(section -> section.appendCopyTo(ifSectionCopy));
Optional<SectionList> elseSectionCopy = elseSections.map(elseSections2 -> {
SectionList elseSectionCopy2 = new SectionList(elseSections2.range().start(),
sectionList.templateBuilder());
elseSections2.sections().forEach(section -> section.appendCopyTo(elseSectionCopy2));
return elseSectionCopy2;
});
sectionList.appendIfSection(negated, name, nameOffset, range().end(), ifSectionCopy, elseSectionCopy);
}
}
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