#ifndef ExceptionMessages_h
#define ExceptionMessages_h
#include "wtf/MathExtras.h"
#include "wtf/text/StringBuilder.h"
#include "wtf/text/WTFString.h"
namespace WebCore {
class Decimal;
class ExceptionMessages {
public:
enum BoundType {
InclusiveBound,
ExclusiveBound,
};
static String argumentNullOrIncorrectType(int argumentIndex, const String& expectedType);
static String constructorNotCallableAsFunction(const char* type);
static String failedToConstruct(const char* type, const String& detail);
static String failedToEnumerate(const char* type, const String& detail);
static String failedToExecute(const char* method, const char* type, const String& detail);
static String failedToGet(const char* property, const char* type, const String& detail);
static String failedToSet(const char* property, const char* type, const String& detail);
static String failedToDelete(const char* property, const char* type, const String& detail);
static String failedToGetIndexed(const char* type, const String& detail);
static String failedToSetIndexed(const char* type, const String& detail);
static String failedToDeleteIndexed(const char* type, const String& detail);
template <typename NumType>
static String formatNumber(NumType number)
{
return formatFiniteNumber(number);
}
static String incorrectPropertyType(const String& property, const String& detail);
template <typename NumberType>
static String indexExceedsMaximumBound(const char* name, NumberType given, NumberType bound)
{
bool eq = given == bound;
StringBuilder result;
result.append("The ");
result.append(name);
result.append(" provided (");
result.append(formatNumber(given));
result.append(") is greater than ");
result.append(eq ? "or equal to " : "");
result.append("the maximum bound (");
result.append(formatNumber(bound));
result.append(").");
return result.toString();
}
template <typename NumberType>
static String indexExceedsMinimumBound(const char* name, NumberType given, NumberType bound)
{
bool eq = given == bound;
StringBuilder result;
result.append("The ");
result.append(name);
result.append(" provided (");
result.append(formatNumber(given));
result.append(") is less than ");
result.append(eq ? "or equal to " : "");
result.append("the minimum bound (");
result.append(formatNumber(bound));
result.append(").");
return result.toString();
}
template <typename NumberType>
static String indexOutsideRange(const char* name, NumberType given, NumberType lowerBound, BoundType lowerType, NumberType upperBound, BoundType upperType)
{
StringBuilder result;
result.append("The ");
result.append(name);
result.append(" provided (");
result.append(formatNumber(given));
result.append(") is outside the range ");
result.append(lowerType == ExclusiveBound ? '(' : '[');
result.append(formatNumber(lowerBound));
result.append(", ");
result.append(formatNumber(upperBound));
result.append(upperType == ExclusiveBound ? ')' : ']');
result.append('.');
return result.toString();
}
static String notAnArrayTypeArgumentOrValue(int argumentIndex);
static String notASequenceTypeProperty(const String& propertyName);
static String notAFiniteNumber(double value, const char* name = "value provided");
static String notAFiniteNumber(const Decimal& value, const char* name = "value provided");
static String notEnoughArguments(unsigned expected, unsigned providedleastNumMandatoryParams);
static String readOnly(const char* detail = 0);
private:
template <typename NumType>
static String formatFiniteNumber(NumType number)
{
if (number > 1e20 || number < -1e20)
return String::format("%e", 1.0*number);
return String::number(number);
}
template <typename NumType>
static String formatPotentiallyNonFiniteNumber(NumType number)
{
if (std::isnan(number))
return "NaN";
if (std::isinf(number))
return number > 0 ? "Infinity" : "-Infinity";
if (number > 1e20 || number < -1e20)
return String::format("%e", number);
return String::number(number);
}
static String ordinalNumber(int number);
};
template <> String ExceptionMessages::formatNumber<float>(float number);
template <> String ExceptionMessages::formatNumber<double>(double number);
}
#endif