/**
* Extracts the available formats from the provided DOM element. If it does not contain any
* nationalPrefixFormattingRule, the one passed-in is retained. The nationalPrefix,
* nationalPrefixFormattingRule and nationalPrefixOptionalWhenFormatting values are provided from
* the parent (territory) element.
*/
// @VisibleForTesting
internal static void loadAvailableFormats(PhoneMetadata.Builder metadata,
XmlElement element, String nationalPrefix,
String nationalPrefixFormattingRule,
bool nationalPrefixOptionalWhenFormatting)
{
String carrierCodeFormattingRule = "";
if (element.HasAttribute(CARRIER_CODE_FORMATTING_RULE))
{
carrierCodeFormattingRule = validateRE(
getDomesticCarrierCodeFormattingRuleFromXmlElement(element, nationalPrefix));
}
var numberFormatXmlElements = element.GetElementsByTagName(NUMBER_FORMAT);
bool hasExplicitIntlFormatDefined = false;
int numOfFormatXmlElements = numberFormatXmlElements.Count;
if (numOfFormatXmlElements > 0)
{
for (int i = 0; i < numOfFormatXmlElements; i++)
{
XmlElement numberFormatXmlElement = (XmlElement)numberFormatXmlElements.Item(i);
NumberFormat.Builder format = NumberFormat.newBuilder();
if (numberFormatXmlElement.HasAttribute(NATIONAL_PREFIX_FORMATTING_RULE))
{
format.setNationalPrefixFormattingRule(
getNationalPrefixFormattingRuleFromXmlElement(numberFormatXmlElement, nationalPrefix));
}
else
{
format.setNationalPrefixFormattingRule(nationalPrefixFormattingRule);
}
if (format.HasNationalPrefixFormattingRule())
{
if (numberFormatXmlElement.HasAttribute(NATIONAL_PREFIX_OPTIONAL_WHEN_FORMATTING))
{
format.setNationalPrefixOptionalWhenFormatting(
Boolean.Parse(numberFormatXmlElement.GetAttribute(
NATIONAL_PREFIX_OPTIONAL_WHEN_FORMATTING)));
}
else
{
format.setNationalPrefixOptionalWhenFormatting(nationalPrefixOptionalWhenFormatting);
}
}
if (numberFormatXmlElement.HasAttribute(CARRIER_CODE_FORMATTING_RULE))
{
format.setDomesticCarrierCodeFormattingRule(validateRE(
getDomesticCarrierCodeFormattingRuleFromXmlElement(numberFormatXmlElement,
nationalPrefix)));
}
else
{
format.setDomesticCarrierCodeFormattingRule(carrierCodeFormattingRule);
}
loadNationalFormat(metadata, numberFormatXmlElement, format);
metadata.addNumberFormat(format);
if (loadInternationalFormat(metadata, numberFormatXmlElement, format.build()))
{
hasExplicitIntlFormatDefined = true;
}
}
// Only a small number of regions need to specify the intlFormats in the xml. For the majority
// of countries the intlNumberFormat metadata is an exact copy of the national NumberFormat
// metadata. To minimize the size of the metadata file, we only keep intlNumberFormats that
// actually differ in some way to the national formats.
if (!hasExplicitIntlFormatDefined)
{
metadata.clearIntlNumberFormat();
}
}
}