static int32_t getIntegerAttribute(const ResXMLTree& tree, uint32_t attrRes,
String8* outError, int32_t defValue = -1)
{
ssize_t idx = indexOfAttribute(tree, attrRes);
if (idx < 0) {
return defValue;
}
Res_value value;
if (tree.getAttributeValue(idx, &value) != NO_ERROR) {
if (value.dataType < Res_value::TYPE_FIRST_INT
|| value.dataType > Res_value::TYPE_LAST_INT) {
if (outError != NULL) *outError = "attribute is not an integer value";
return defValue;
}
}
static String8 getAttribute(const ResXMLTree& tree, uint32_t attrRes, String8* outError)
{
ssize_t idx = indexOfAttribute(tree, attrRes);
if (idx < 0) {
return String8();
}
Res_value value;
if (tree.getAttributeValue(idx, &value) != NO_ERROR) {
if (value.dataType != Res_value::TYPE_STRING) {
if (outError != NULL) *outError = "attribute is not a string value";
return String8();
}
}
size_t len;
const uint16_t* str = tree.getAttributeStringValue(idx, &len);
return str ? String8(str, len) : String8();
}