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);
}
public static final class Builder {
private static CallDelegateNode error() {
return new Builder(-1, SourceLocation.UNKNOWN)
.commandText("error.error")
.build(ExplodingErrorReporter.get()); // guaranteed to be valid
}
private final int id;
private final SourceLocation sourceLocation;
private boolean allowEmptyDefault;
private DataAttribute dataAttribute = DataAttribute.none();
private ImmutableList<String> escapingDirectiveNames = ImmutableList.of();
@Nullable private String commandText;
@Nullable private String delCalleeName;
@Nullable private ExprRootNode delCalleeVariantExpr;
@Nullable private String userSuppliedPlaceholderName;
public Builder(int id, SourceLocation sourceLocation) {
this.id = id;
this.sourceLocation = sourceLocation;
}
public Builder allowEmptyDefault(boolean allowEmptyDefault) {
this.allowEmptyDefault = allowEmptyDefault;
return this;
}
public Builder commandText(String commandText) {
this.commandText = commandText;
return this;
}
public Builder delCalleeName(String delCalleeName) {
this.delCalleeName = delCalleeName;
return this;
}
public Builder delCalleeVariantExpr(ExprRootNode delCalleeVariantExpr) {
this.delCalleeVariantExpr = delCalleeVariantExpr;
return this;
}
public Builder escapingDirectiveNames(ImmutableList<String> escapingDirectiveNames) {
this.escapingDirectiveNames = escapingDirectiveNames;
return this;
}
public Builder dataAttribute(DataAttribute dataAttribute) {
this.dataAttribute = dataAttribute;
return this;
}
public Builder userSuppliedPlaceholderName(String userSuppliedPlaceholderName) {
this.userSuppliedPlaceholderName = userSuppliedPlaceholderName;
return this;
}
public CallDelegateNode build(ErrorReporter errorReporter) {
Checkpoint checkpoint = errorReporter.checkpoint();
CommandTextInfo commandTextInfo =
commandText != null ? parseCommandText(errorReporter) : buildCommandText();
if (errorReporter.errorsSince(checkpoint)) {
return error();
}
CallDelegateNode callDelegateNode =
new CallDelegateNode(id, sourceLocation, commandTextInfo, escapingDirectiveNames);
return callDelegateNode;
}
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);
}
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);
}
}
