Example #1
0
    private CommandTextInfo parseCommandText(ErrorReporter errorReporter) {
      String commandTextWithoutPhnameAttr = this.commandText;

      String commandText =
          commandTextWithoutPhnameAttr
              + ((userSuppliedPlaceholderName != null)
                  ? " phname=\"" + userSuppliedPlaceholderName + "\""
                  : "");

      // Handle callee name not listed as an attribute.
      Matcher ncnMatcher = NONATTRIBUTE_CALLEE_NAME.matcher(commandTextWithoutPhnameAttr);
      String delCalleeName;
      if (ncnMatcher.find()) {
        delCalleeName = ncnMatcher.group(1);
        if (!BaseUtils.isDottedIdentifier(delCalleeName)) {
          errorReporter.report(sourceLocation, INVALID_DELEGATE_NAME, delCalleeName);
        }
        commandTextWithoutPhnameAttr =
            commandTextWithoutPhnameAttr.substring(ncnMatcher.end()).trim();
      } else {
        delCalleeName = null;
        errorReporter.report(sourceLocation, MISSING_CALLEE_NAME, commandText);
      }

      Map<String, String> attributes =
          ATTRIBUTES_PARSER.parse(commandTextWithoutPhnameAttr, errorReporter, sourceLocation);

      String variantExprText = attributes.get("variant");
      ExprRootNode delCalleeVariantExpr;
      if (variantExprText == null) {
        delCalleeVariantExpr = null;
      } else {
        ExprNode expr =
            new ExpressionParser(variantExprText, sourceLocation, errorReporter).parseExpression();
        // If the variant is a fixed string, do a sanity check.
        if (expr instanceof StringNode) {
          String fixedVariantStr = ((StringNode) expr).getValue();
          if (!BaseUtils.isIdentifier(fixedVariantStr)) {
            errorReporter.report(sourceLocation, INVALID_VARIANT_EXPRESSION, variantExprText);
          }
        }
        delCalleeVariantExpr = new ExprRootNode(expr);
      }

      DataAttribute dataAttrInfo =
          parseDataAttributeHelper(attributes.get("data"), sourceLocation, errorReporter);

      String allowemptydefaultAttr = attributes.get("allowemptydefault");
      Boolean allowsEmptyDefault =
          (allowemptydefaultAttr == null) ? null : allowemptydefaultAttr.equals("true");

      return new CommandTextInfo(
          commandText,
          delCalleeName,
          delCalleeVariantExpr,
          allowsEmptyDefault,
          dataAttrInfo,
          userSuppliedPlaceholderName);
    }
  @Override
  public String genBasePhName() {

    if (userSuppliedPlaceholderName != null) {
      return BaseUtils.convertToUpperUnderscore(userSuppliedPlaceholderName);
    }

    boolean isEndTag;
    String baseLcTagName;
    if (lcTagName.startsWith("/")) {
      isEndTag = true;
      baseLcTagName = lcTagName.substring(1);
    } else {
      isEndTag = false;
      baseLcTagName = lcTagName;
    }
    String basePlaceholderName =
        LC_TAG_NAME_TO_PLACEHOLDER_NAME_MAP.containsKey(baseLcTagName)
            ? LC_TAG_NAME_TO_PLACEHOLDER_NAME_MAP.get(baseLcTagName)
            : baseLcTagName;
    if (isEndTag) {
      basePlaceholderName = "end_" + basePlaceholderName;
    } else if (!isSelfEnding) {
      basePlaceholderName = "start_" + basePlaceholderName;
    }
    return basePlaceholderName.toUpperCase();
  }
  /**
   * Parses a 'requirecss' attribute value (for a Soy file or a template).
   *
   * @param requirecssAttr The 'requirecss' attribute value to parse.
   * @return A list of required CSS namespaces parsed from the given attribute value.
   */
  static ImmutableList<String> parseRequirecssAttr(
      @Nullable String requirecssAttr, SourceLocation srcLoc) {

    if (requirecssAttr == null) {
      return ImmutableList.of();
    }

    String[] namespaces = requirecssAttr.trim().split("\\s*,\\s*");
    for (String namespace : namespaces) {
      if (!BaseUtils.isDottedIdentifier(namespace)) {
        throw LegacyInternalSyntaxException.createWithMetaInfo(
            "Invalid required CSS namespace name \"" + namespace + "\".", srcLoc);
      }
    }
    return ImmutableList.copyOf(namespaces);
  }
    @Nullable
    private String computePlaceholderName(ErrorReporter errorReporter) {
      List<String> names = new ArrayList<>();
      ImmutableList.Builder<StandaloneNode> transformedChildren = new ImmutableList.Builder<>();
      for (StandaloneNode child : children) {
        transformedChildren.add(extractPlaceholderName(child, names));
      }
      children = transformedChildren.build();

      for (String name : names) {
        if (!BaseUtils.isIdentifier(name)) {
          errorReporter.report(sourceLocation, INVALID_PHNAME_ATTRIBUTE);
        }
      }

      if (names.size() > 1) {
        errorReporter.report(sourceLocation, MULTIPLE_PHNAME_ATTRIBUTES);
      }

      return Iterables.getFirst(names, null);
    }
Example #5
0
    private CommandTextInfo buildCommandText() {

      Preconditions.checkArgument(BaseUtils.isDottedIdentifier(delCalleeName));
      String commandText = "";
      commandText += delCalleeName;
      if (dataAttribute.isPassingAllData()) {
        commandText += " data=\"all\"";
      } else if (dataAttribute.isPassingData()) {
        assert dataAttribute.dataExpr() != null; // suppress warnings
        commandText += " data=\"" + dataAttribute.dataExpr().toSourceString() + '"';
      }
      if (userSuppliedPlaceholderName != null) {
        commandText += " phname=\"" + userSuppliedPlaceholderName + '"';
      }

      return new CommandTextInfo(
          commandText,
          delCalleeName,
          delCalleeVariantExpr,
          allowEmptyDefault,
          dataAttribute,
          userSuppliedPlaceholderName);
    }