Examples with ProtoInitNode com.google.template.soy.exprtree.ProtoInitNode used on opensource projects

Example 1 with ProtoInitNode

use of com.google.template.soy.exprtree.ProtoInitNode in project closure-templates by google.

the class GenerateParseInfoVisitor method visitSoyFileNode.

@Override
protected void visitSoyFileNode(SoyFileNode node) {
    if (node.getSoyFileKind() != SoyFileKind.SRC) {
        // don't generate code for deps
        return;
    }
    String javaClassName = soyFileToJavaClassNameMap.get(node);
    // Collect the following:
    // + all the public basic templates (non-private, non-delegate) in a map from the
    // upper-underscore template name to the template's node,
    // + all the param keys from all templates (including private),
    // + for each param key, the list of templates that list it directly.
    // + for any params whose type is a proto, get the proto name and Java class name.
    LinkedHashMap<String, TemplateNode> publicBasicTemplateMap = Maps.newLinkedHashMap();
    List<String> deltemplates = new ArrayList<>();
    Set<String> allParamKeys = Sets.newHashSet();
    SetMultimap<String, TemplateNode> paramKeyToTemplatesMultimap = LinkedHashMultimap.create();
    SortedSet<String> protoTypes = Sets.newTreeSet();
    for (TemplateNode template : node.getChildren()) {
        if (template.getVisibility() == Visibility.PUBLIC && template instanceof TemplateBasicNode) {
            publicBasicTemplateMap.put(convertToUpperUnderscore(template.getPartialTemplateName().substring(1)), template);
        }
        if (template instanceof TemplateDelegateNode) {
            deltemplates.add("\"" + template.getTemplateName() + "\"");
        }
        for (TemplateParam param : template.getAllParams()) {
            if (!param.isInjected()) {
                allParamKeys.add(param.name());
                paramKeyToTemplatesMultimap.put(param.name(), template);
            }
            if (param instanceof HeaderParam) {
                SoyType paramType = ((HeaderParam) param).type();
                findProtoTypesRecurse(paramType, protoTypes);
            }
        }
        // Field access nodes need special handling to ensure that extension references are handled.
        for (FieldAccessNode fieldAccess : SoyTreeUtils.getAllNodesOfType(template, FieldAccessNode.class)) {
            SoyType baseType = fieldAccess.getBaseExprChild().getType();
            if (baseType.getKind() == SoyType.Kind.PROTO) {
                FieldDescriptor desc = ((SoyProtoType) baseType).getFieldDescriptor(fieldAccess.getFieldName());
                if (desc.isExtension()) {
                    protoTypes.add(ProtoUtils.getTofuExtensionImport(desc));
                }
            }
        }
        // Add enums
        for (GlobalNode global : SoyTreeUtils.getAllNodesOfType(template, GlobalNode.class)) {
            if (global.isResolved() && global.getType().getKind() == SoyType.Kind.PROTO_ENUM) {
                protoTypes.add(((SoyProtoEnumType) global.getType()).getDescriptorExpression());
            }
        }
        // Add proto init
        for (ProtoInitNode protoInit : SoyTreeUtils.getAllNodesOfType(template, ProtoInitNode.class)) {
            if (protoInit.getType().getKind() == SoyType.Kind.PROTO) {
                protoTypes.add(((SoyProtoType) protoInit.getType()).getDescriptorExpression());
            }
        }
    }
    // allParamKeysMap is a map from upper-underscore key to original key.
    SortedMap<String, String> allParamKeysMap = Maps.newTreeMap();
    for (String key : allParamKeys) {
        String upperUnderscoreKey = convertToUpperUnderscore(key);
        // stage of the compiler.
        while (allParamKeysMap.containsKey(upperUnderscoreKey)) {
            upperUnderscoreKey = upperUnderscoreKey + "_";
        }
        allParamKeysMap.put(upperUnderscoreKey, key);
        // Updates the convertedIdents here, since we might have changed the value by adding
        // prepending underscores. Without this, the generated SoyTemplateInfo still use the
        // old mapping and will fail.
        convertedIdents.put(key, upperUnderscoreKey);
    }
    ilb = new IndentedLinesBuilder(2);
    // ------ Header. ------
    ilb.appendLine("// This file was automatically generated from ", node.getFileName(), ".");
    ilb.appendLine("// Please don't edit this file by hand.");
    ilb.appendLine();
    ilb.appendLine("package ", javaPackage, ";");
    ilb.appendLine();
    ilb.appendLine("import com.google.common.collect.ImmutableList;");
    ilb.appendLine("import com.google.common.collect.ImmutableMap;");
    ilb.appendLine("import com.google.common.collect.ImmutableSortedSet;");
    if (!protoTypes.isEmpty()) {
        ilb.appendLine("import com.google.protobuf.Descriptors.GenericDescriptor;");
    }
    ilb.appendLine("import com.google.template.soy.parseinfo.SoyFileInfo;");
    ilb.appendLine("import com.google.template.soy.parseinfo.SoyTemplateInfo;");
    // ------ Class start. ------
    ilb.appendLine();
    ilb.appendLine();
    appendJavadoc(ilb, "Soy parse info for " + node.getFileName() + ".", true, false);
    ilb.appendLine("public final class ", javaClassName, " extends SoyFileInfo {");
    ilb.increaseIndent();
    // ------ Constant for namespace. ------
    ilb.appendLine();
    ilb.appendLine();
    ilb.appendLine("/** This Soy file's namespace. */");
    ilb.appendLine("public static final String __NAMESPACE__ = \"", node.getNamespace(), "\";");
    // ------ Proto types map. ------
    if (!protoTypes.isEmpty()) {
        ilb.appendLine();
        ilb.appendLine();
        ilb.appendLine("/** Protocol buffer types used by these templates. */");
        ilb.appendLine("@Override public ImmutableList<GenericDescriptor> getProtoDescriptors() {");
        ilb.increaseIndent();
        // Note we use fully-qualified names instead of imports to avoid potential collisions.
        List<String> defaultInstances = Lists.newArrayList();
        defaultInstances.addAll(protoTypes);
        appendListOrSetHelper(ilb, "return ImmutableList.<GenericDescriptor>of", defaultInstances);
        ilb.appendLineEnd(";");
        ilb.decreaseIndent();
        ilb.appendLine("}");
    }
    // ------ Template names. ------
    ilb.appendLine();
    ilb.appendLine();
    ilb.appendLine("public static final class TemplateName {");
    ilb.increaseIndent();
    ilb.appendLine("private TemplateName() {}");
    ilb.appendLine();
    for (Entry<String, TemplateNode> templateEntry : publicBasicTemplateMap.entrySet()) {
        StringBuilder javadocSb = new StringBuilder();
        javadocSb.append("The full template name of the ").append(templateEntry.getValue().getPartialTemplateName()).append(" template.");
        appendJavadoc(ilb, javadocSb.toString(), false, true);
        ilb.appendLine("public static final String ", templateEntry.getKey(), " = \"", templateEntry.getValue().getTemplateName(), "\";");
    }
    ilb.decreaseIndent();
    ilb.appendLine("}");
    // ------ Params. ------
    ilb.appendLine();
    ilb.appendLine();
    ilb.appendLine("/**");
    ilb.appendLine(" * Param names from all templates in this Soy file.");
    ilb.appendLine(" */");
    ilb.appendLine("public static final class Param {");
    ilb.increaseIndent();
    ilb.appendLine("private Param() {}");
    ilb.appendLine();
    for (Map.Entry<String, String> paramEntry : allParamKeysMap.entrySet()) {
        String upperUnderscoreKey = paramEntry.getKey();
        String key = paramEntry.getValue();
        StringBuilder javadocSb = new StringBuilder();
        javadocSb.append("Listed by ");
        boolean isFirst = true;
        for (TemplateNode template : paramKeyToTemplatesMultimap.get(key)) {
            if (isFirst) {
                isFirst = false;
            } else {
                javadocSb.append(", ");
            }
            javadocSb.append(buildTemplateNameForJavadoc(node, template));
        }
        javadocSb.append('.');
        appendJavadoc(ilb, javadocSb.toString(), false, true);
        ilb.appendLine("public static final String ", upperUnderscoreKey, " = \"", key, "\";");
    }
    ilb.decreaseIndent();
    ilb.appendLine("}");
    // ------ Templates. ------
    for (TemplateNode template : publicBasicTemplateMap.values()) {
        visit(template);
    }
    // ------ Constructor. ------
    ilb.appendLine();
    ilb.appendLine();
    ilb.appendLine("private ", javaClassName, "() {");
    ilb.increaseIndent();
    ilb.appendLine("super(");
    ilb.increaseIndent(2);
    ilb.appendLine("\"", node.getFileName(), "\",");
    ilb.appendLine("\"", node.getNamespace(), "\",");
    // Templates.
    List<String> itemSnippets = Lists.newArrayList();
    itemSnippets.addAll(publicBasicTemplateMap.keySet());
    appendImmutableList(ilb, "<SoyTemplateInfo>", itemSnippets);
    ilb.appendLineEnd(",");
    // CSS names.
    SortedMap<String, CssTagsPrefixPresence> cssNameMap = new CollectCssNamesVisitor().exec(node);
    ImmutableMap.Builder<String, String> cssTagPrefixes = ImmutableMap.builder();
    for (Map.Entry<String, CssTagsPrefixPresence> entry : cssNameMap.entrySet()) {
        cssTagPrefixes.put("\"" + entry.getKey() + "\"", "CssTagsPrefixPresence." + entry.getValue().name());
    }
    appendImmutableMap(ilb, "<String, CssTagsPrefixPresence>", cssTagPrefixes.build());
    ilb.appendLineEnd(",");
    appendImmutableList(ilb, "<String>", deltemplates);
    ilb.appendLineEnd(");");
    ilb.decreaseIndent(2);
    ilb.decreaseIndent();
    ilb.appendLine("}");
    // ------ Singleton instance and its getter. ------
    ilb.appendLine();
    ilb.appendLine();
    ilb.appendLine("private static final ", javaClassName, " __INSTANCE__ =");
    ilb.increaseIndent(2);
    ilb.appendLine("new ", javaClassName, "();");
    ilb.decreaseIndent(2);
    ilb.appendLine();
    ilb.appendLine("public static ", javaClassName, " getInstance() {");
    ilb.increaseIndent();
    ilb.appendLine("return __INSTANCE__;");
    ilb.decreaseIndent();
    ilb.appendLine("}");
    // ------ Class end. ------
    ilb.appendLine();
    ilb.decreaseIndent();
    ilb.appendLine("}");
    generatedFiles.put(javaClassName + ".java", ilb.toString());
    ilb = null;
}

Example 2 with ProtoInitNode

use of com.google.template.soy.exprtree.ProtoInitNode in project closure-templates by google.

the class ParseExpressionTest method testParseProtoInitCall.

@Test
public void testParseProtoInitCall() throws Exception {
    ExprNode expr = assertThatExpression("my.Proto(a: 1, b: glo.bal, c: fn('str'))").isValidExpression();
    ProtoInitNode protoFn = (ProtoInitNode) expr;
    assertThat(protoFn.getProtoName()).isEqualTo("my.Proto");
    assertThat(protoFn.getParamNames()).containsExactly("a", "b", "c").inOrder();
    assertThat(protoFn.numChildren()).isEqualTo(3);
    assertThat(((IntegerNode) protoFn.getChild(0)).getValue()).isEqualTo(1);
    assertThat(((GlobalNode) protoFn.getChild(1)).getName()).isEqualTo("glo.bal");
    assertThat(((StringNode) ((FunctionNode) protoFn.getChild(2)).getChild(0)).getValue()).isEqualTo("str");
}