C++ (Cpp) ResXMLTree::getAttributeValue示例

示例#1

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;
        }
    }

示例#2

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();
}