Examples with SoyFileHeaderInfo com.google.template.soy.soytree.TemplateNode.SoyFileHeaderInfo used on opensource projects

Example 1 with SoyFileHeaderInfo

use of com.google.template.soy.soytree.TemplateNode.SoyFileHeaderInfo 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;
}