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Eliminate some gcc warnings

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This commit is contained in:
Aleksandar Fabijanic
2007-09-04 20:14:40 +00:00
parent ab1b6c29ca
commit 0a65eefd9a
2 changed files with 68 additions and 31 deletions
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60
Foundation/include/Poco/DynamicAnyHolder.h
View File

@@ -116,7 +116,7 @@ public:
protected: protected:
template <typename F, typename T> template <typename F, typename T>
void convertToSmaller(const F& from, T& to) const void convertToSmaller(const F& from, T& to) const
/// This function is meant to convert signed integral values from /// This function is meant to convert signed numeric values from
/// larger to smaller type. It checks the upper and lower bound and /// larger to smaller type. It checks the upper and lower bound and
/// if from value is within limits of type T (i.e. check calls do not throw), /// if from value is within limits of type T (i.e. check calls do not throw),
/// it is converted. /// it is converted.
@@ -126,7 +126,11 @@ protected:
poco_static_assert (std::numeric_limits<F>::is_signed); poco_static_assert (std::numeric_limits<F>::is_signed);
poco_static_assert (std::numeric_limits<T>::is_signed); poco_static_assert (std::numeric_limits<T>::is_signed);
if (std::numeric_limits<F>::is_integer)
checkUpperLimit(from, to); checkUpperLimit(from, to);
else
checkUpperLimitFloat(from, to);
checkLowerLimit(from, to); checkLowerLimit(from, to);
to = static_cast<T>(from); to = static_cast<T>(from);
} }
@@ -153,7 +157,7 @@ protected:
/// This function is meant for converting signed integral data types to /// This function is meant for converting signed integral data types to
/// unsigned data types. Negative values can not be converted and if one is /// unsigned data types. Negative values can not be converted and if one is
/// encountered, RangeException is thrown. /// encountered, RangeException is thrown.
/// If uper limit is within the target data type limits, the converiosn is performed. /// If uper limit is within the target data type limits, the conversion is performed.
{ {
poco_static_assert (std::numeric_limits<F>::is_specialized); poco_static_assert (std::numeric_limits<F>::is_specialized);
poco_static_assert (std::numeric_limits<T>::is_specialized); poco_static_assert (std::numeric_limits<T>::is_specialized);
@@ -166,12 +170,31 @@ protected:
to = static_cast<T>(from); to = static_cast<T>(from);
} }
template <typename F, typename T>
void convertSignedFloatToUnsigned(const F& from, T& to) const
/// This function is meant for converting floating point data types to
/// unsigned integral data types. Negative values can not be converted and if one is
/// encountered, RangeException is thrown.
/// If uper limit is within the target data type limits, the conversion is performed.
{
poco_static_assert (std::numeric_limits<F>::is_specialized);
poco_static_assert (std::numeric_limits<T>::is_specialized);
poco_static_assert (!std::numeric_limits<F>::is_integer);
poco_static_assert (std::numeric_limits<T>::is_integer);
poco_static_assert (!std::numeric_limits<T>::is_signed);
if (from < 0)
throw RangeException("Value too small.");
checkUpperLimitFloat(from, to);
to = static_cast<T>(from);
}
template <typename F, typename T> template <typename F, typename T>
void convertUnsignedToSigned(const F& from, T& to) const void convertUnsignedToSigned(const F& from, T& to) const
/// This function is meant for converting unsigned integral data types to /// This function is meant for converting unsigned integral data types to
/// unsigned data types. Negative values can not be converted and if one is /// unsigned data types. Negative values can not be converted and if one is
/// encountered, RangeException is thrown. /// encountered, RangeException is thrown.
/// If uper limit is within the target data type limits, the converiosn is performed. /// If upper limit is within the target data type limits, the converiosn is performed.
{ {
poco_static_assert (std::numeric_limits<F>::is_specialized); poco_static_assert (std::numeric_limits<F>::is_specialized);
poco_static_assert (std::numeric_limits<T>::is_specialized); poco_static_assert (std::numeric_limits<T>::is_specialized);
@@ -185,6 +208,21 @@ protected:
private: private:
template <typename F, typename T> template <typename F, typename T>
void checkUpperLimit(const F& from, T& to) const void checkUpperLimit(const F& from, T& to) const
{
if ((sizeof(T) < sizeof(F)) &&
(from > static_cast<F>(std::numeric_limits<T>::max())))
{
throw RangeException("Value too large.");
}
else
if (static_cast<T>(from) > std::numeric_limits<T>::max())
{
throw RangeException("Value too large.");
}
}
template <typename F, typename T>
void checkUpperLimitFloat(const F& from, T& to) const
{ {
if (from > std::numeric_limits<T>::max()) if (from > std::numeric_limits<T>::max())
throw RangeException("Value too large."); throw RangeException("Value too large.");
@@ -1505,22 +1543,22 @@ public:
void convert(UInt8& val) const void convert(UInt8& val) const
{ {
convertSignedToUnsigned(_val, val); convertSignedFloatToUnsigned(_val, val);
} }
void convert(UInt16& val) const void convert(UInt16& val) const
{ {
convertSignedToUnsigned(_val, val); convertSignedFloatToUnsigned(_val, val);
} }
void convert(UInt32& val) const void convert(UInt32& val) const
{ {
convertSignedToUnsigned(_val, val); convertSignedFloatToUnsigned(_val, val);
} }
void convert(UInt64& val) const void convert(UInt64& val) const
{ {
convertSignedToUnsigned(_val, val); convertSignedFloatToUnsigned(_val, val);
} }
void convert(bool& val) const void convert(bool& val) const
@@ -1630,22 +1668,22 @@ public:
void convert(UInt8& val) const void convert(UInt8& val) const
{ {
convertSignedToUnsigned(_val, val); convertSignedFloatToUnsigned(_val, val);
} }
void convert(UInt16& val) const void convert(UInt16& val) const
{ {
convertSignedToUnsigned(_val, val); convertSignedFloatToUnsigned(_val, val);
} }
void convert(UInt32& val) const void convert(UInt32& val) const
{ {
convertSignedToUnsigned(_val, val); convertSignedFloatToUnsigned(_val, val);
} }
void convert(UInt64& val) const void convert(UInt64& val) const
{ {
convertSignedToUnsigned(_val, val); convertSignedFloatToUnsigned(_val, val);
} }
void convert(bool& val) const void convert(bool& val) const

35
Foundation/testsuite/src/DynamicAnyTest.cpp
View File

@@ -114,7 +114,7 @@ void DynamicAnyTest::testInt8()
try try
{ {
Int16 value2 = a1.extract<Int16>(); Int16 value2; value2 = a1.extract<Int16>();
fail("bad cast - must throw"); fail("bad cast - must throw");
} }
catch (Poco::BadCastException&) catch (Poco::BadCastException&)
@@ -185,7 +185,7 @@ void DynamicAnyTest::testInt16()
try try
{ {
Int32 value2 = a1.extract<Int32>(); Int32 value2; value2 = a1.extract<Int32>();
fail("bad cast - must throw"); fail("bad cast - must throw");
} }
catch (Poco::BadCastException&) catch (Poco::BadCastException&)
@@ -256,7 +256,7 @@ void DynamicAnyTest::testInt32()
try try
{ {
Int16 value2 = a1.extract<Int16>(); Int16 value2; value2 = a1.extract<Int16>();
fail("bad cast - must throw"); fail("bad cast - must throw");
} }
catch (Poco::BadCastException&) catch (Poco::BadCastException&)
@@ -327,7 +327,7 @@ void DynamicAnyTest::testInt64()
try try
{ {
Int16 value2 = a1.extract<Int16>(); Int16 value2; value2 = a1.extract<Int16>();
fail("bad cast - must throw"); fail("bad cast - must throw");
} }
catch (Poco::BadCastException&) catch (Poco::BadCastException&)
@@ -398,7 +398,7 @@ void DynamicAnyTest::testUInt8()
try try
{ {
Int16 value2 = a1.extract<Int16>(); Int16 value2; value2 = a1.extract<Int16>();
fail("bad cast - must throw"); fail("bad cast - must throw");
} }
catch (Poco::BadCastException&) catch (Poco::BadCastException&)
@@ -469,7 +469,7 @@ void DynamicAnyTest::testUInt16()
try try
{ {
Int16 value2 = a1.extract<Int16>(); Int16 value2; value2 = a1.extract<Int16>();
fail("bad cast - must throw"); fail("bad cast - must throw");
} }
catch (Poco::BadCastException&) catch (Poco::BadCastException&)
@@ -540,7 +540,7 @@ void DynamicAnyTest::testUInt32()
try try
{ {
Int16 value2 = a1.extract<Int16>(); Int16 value2; value2 = a1.extract<Int16>();
fail("bad cast - must throw"); fail("bad cast - must throw");
} }
catch (Poco::BadCastException&) catch (Poco::BadCastException&)
@@ -611,7 +611,7 @@ void DynamicAnyTest::testUInt64()
try try
{ {
Int16 value2 = a1.extract<Int16>(); Int16 value2; value2 = a1.extract<Int16>();
fail("bad cast - must throw"); fail("bad cast - must throw");
} }
catch (Poco::BadCastException&) catch (Poco::BadCastException&)
@@ -682,7 +682,7 @@ void DynamicAnyTest::testBool()
try try
{ {
Int16 value2 = a1.extract<Int16>(); Int16 value2; value2 = a1.extract<Int16>();
fail("bad cast - must throw"); fail("bad cast - must throw");
} }
catch (Poco::BadCastException&) catch (Poco::BadCastException&)
@@ -753,7 +753,7 @@ void DynamicAnyTest::testChar()
try try
{ {
Int16 value2 = a1.extract<Int16>(); Int16 value2; value2 = a1.extract<Int16>();
fail("bad cast - must throw"); fail("bad cast - must throw");
} }
catch (Poco::BadCastException&) catch (Poco::BadCastException&)
@@ -824,7 +824,7 @@ void DynamicAnyTest::testFloat()
try try
{ {
Int16 value2 = a1.extract<Int16>(); Int16 value2; value2 = a1.extract<Int16>();
fail("bad cast - must throw"); fail("bad cast - must throw");
} }
catch (Poco::BadCastException&) catch (Poco::BadCastException&)
@@ -895,7 +895,7 @@ void DynamicAnyTest::testDouble()
try try
{ {
Int16 value2 = a1.extract<Int16>(); Int16 value2; value2 = a1.extract<Int16>();
fail("bad cast - must throw"); fail("bad cast - must throw");
} }
catch (Poco::BadCastException&) catch (Poco::BadCastException&)
@@ -961,7 +961,7 @@ void DynamicAnyTest::testString()
try try
{ {
Int16 value2 = a1.extract<Int16>(); Int16 value2; value2 = a1.extract<Int16>();
fail("bad cast - must throw"); fail("bad cast - must throw");
} }
catch (Poco::BadCastException&) catch (Poco::BadCastException&)
@@ -1032,7 +1032,7 @@ void DynamicAnyTest::testLong()
try try
{ {
Int16 value2 = a1.extract<Int16>(); Int16 value2; value2 = a1.extract<Int16>();
fail("bad cast - must throw"); fail("bad cast - must throw");
} }
catch (Poco::BadCastException&) catch (Poco::BadCastException&)
@@ -1103,7 +1103,7 @@ void DynamicAnyTest::testULong()
try try
{ {
Int16 value2 = a1.extract<Int16>(); Int16 value2; value2 = a1.extract<Int16>();
fail("bad cast - must throw"); fail("bad cast - must throw");
} }
catch (Poco::BadCastException&) catch (Poco::BadCastException&)
@@ -1123,9 +1123,8 @@ void DynamicAnyTest::testConversionOperator()
assert (s == "123"); assert (s == "123");
any = 321; any = 321;
//fails on gcc 3.4.4. s = any.convert<std::string>();
//s = (std::string) any;//must cast to disambiguate char/string assert (s == "321");
//assert (s == "321");
any = "456"; any = "456";
assert (any == "456"); assert (any == "456");