use of com.google.template.soy.soytree.TemplateBasicNodeBuilder in project closure-templates by google.
the class Inferences method cloneTemplates.
/**
* Clones a template, changing the name.
*
* @return A copy of tn, differing semantically only in name and auto-generated IDs. The new
* templates will be available via {@link #lookupTemplates} with the given name.
*/
public List<TemplateNode> cloneTemplates(String baseName, String derivedName, CallNode callNode) {
if (!lookupTemplates(derivedName).isEmpty()) {
throw new AssertionError(derivedName + " already has templates: " + lookupTemplates(derivedName));
}
ImmutableList.Builder<TemplateNode> b = ImmutableList.builder();
for (TemplateNode tn : lookupTemplates(baseName)) {
if (SoyTreeUtils.hasHtmlNodes(tn)) {
throw SoyAutoescapeException.createWithNode("Non-strict template '" + baseName + "' contains HTML nodes but does not specify the kind. " + "This is no longer allowed, please migrate the template to strict and " + "specify a content kind by adding a kind attribute", callNode);
}
SoyFileHeaderInfo soyFileHeaderInfo = tn.getSoyFileHeaderInfo();
// We trivially clone the template with new ids, this ensures that all the varrefs have proper
// vardefns assigned. Then we manually recopy to a new template in order to modify the name.
// TODO(lukes): we should add direct support for swapping template names to TemplateNode
// or just eliminate usecases for this method.
TemplateNode trivialClonedTemplate = SoyTreeUtils.cloneWithNewIds(tn, idGen);
int cloneId = trivialClonedTemplate.getId();
// We need to use the unnamespaced name in the command text since we'll be inserting this
// template into a file node that already has a namespace declaration.
TemplateNode clone;
if (tn instanceof TemplateBasicNode) {
String derivedPartialName = (tn.getPartialTemplateName() != null) ? derivedName.substring(soyFileHeaderInfo.namespace.length()) : null;
clone = new TemplateBasicNodeBuilder(soyFileHeaderInfo, ErrorReporter.exploding()).setId(cloneId).setSourceLocation(tn.getSourceLocation()).setCmdTextInfo(derivedName, derivedPartialName, tn.getVisibility(), tn.getAutoescapeMode(), tn.getContentKind(), tn.getRequiredCssNamespaces()).addParams(trivialClonedTemplate.getAllParams()).build();
if (!(derivedName.equals(clone.getTemplateName()) && Objects.equals(derivedPartialName, clone.getPartialTemplateName()))) {
throw new AssertionError();
}
} else if (tn instanceof TemplateDelegateNode) {
TemplateDelegateNode tdn = (TemplateDelegateNode) tn;
clone = new TemplateDelegateNodeBuilder(soyFileHeaderInfo, ErrorReporter.exploding()).setId(cloneId).setSourceLocation(tn.getSourceLocation()).setCmdTextInfo(derivedName, tdn.getDelTemplateVariant(), tdn.getDelPriority(), tn.getAutoescapeMode(), tn.getContentKind(), tn.getRequiredCssNamespaces()).addParams(trivialClonedTemplate.getAllParams()).build();
if (!(derivedName.equals(((TemplateDelegateNode) clone).getDelTemplateName()))) {
throw new AssertionError();
}
} else {
throw new AssertionError("Unknown template node type: " + tn.getClass());
}
clone.addChildren(trivialClonedTemplate.getChildren());
// Reassign all the local variable data which isn't maintained by the cloning process above.
clone.setMaxLocalVariableTableSize(tn.getMaxLocalVariableTableSize());
Iterator<TemplateParam> tnIterator = tn.getAllParams().iterator();
Iterator<TemplateParam> cloneIterator = clone.getAllParams().iterator();
while (tnIterator.hasNext()) {
cloneIterator.next().setLocalVariableIndex(tnIterator.next().localVariableIndex());
}
b.add(clone);
}
ImmutableList<TemplateNode> clones = b.build();
templatesByName.putAll(derivedName, clones);
return clones;
}
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