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simplify operator<

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This commit is contained in:
Florian Weber 2015-04-26 14:19:56 +02:00
parent a372937424
commit 28f64c22a9
2 changed files with 46 additions and 88 deletions
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57
src/json.hpp
View file

@ -1951,77 +1951,56 @@ class basic_json
/// comparison: less than /// comparison: less than
friend bool operator<(const_reference lhs, const_reference rhs) noexcept friend bool operator<(const_reference lhs, const_reference rhs) noexcept
{ {
switch (lhs.type()) const auto lhs_type = lhs.type();
const auto rhs_type = rhs.type();
if (lhs_type == rhs_type)
{
switch (lhs_type)
{ {
case (value_t::array): case (value_t::array):
{ {
if (rhs.type() == value_t::array) return *lhs.m_value_array < *rhs.m_value.array;
{
return *lhs.m_value.array < *rhs.m_value.array;
} }
break; case (value_t::onject):
}
case (value_t::object):
{
if (rhs.type() == value_t::object)
{ {
return *lhs.m_value.object < *rhs.m_value.object; return *lhs.m_value.object < *rhs.m_value.object;
} }
break;
}
case (value_t::null): case (value_t::null):
{
if (rhs.type() == value_t::null)
{ {
return false; return false;
} }
break;
}
case (value_t::string): case (value_t::string):
{
if (rhs.type() == value_t::string)
{ {
return *lhs.m_value.string < *rhs.m_value.string; return *lhs.m_value.string < *rhs.m_value.string;
} }
break;
}
case (value_t::boolean): case (value_t::boolean):
{
if (rhs.type() == value_t::boolean)
{ {
return lhs.m_value.boolean < rhs.m_value.boolean; return lhs.m_value.boolean < rhs.m_value.boolean;
} }
break;
}
case (value_t::number_integer): case (value_t::number_integer):
{
if (rhs.type() == value_t::number_integer)
{ {
return lhs.m_value.number_integer < rhs.m_value.number_integer; return lhs.m_value.number_integer < rhs.m_value.number_integer;
} }
if (rhs.type() == value_t::number_float)
{
return lhs.m_value.number_integer < static_cast<number_integer_t>(rhs.m_value.number_float);
}
break;
}
case (value_t::number_float): case (value_t::number_float):
{
if (rhs.type() == value_t::number_integer)
{
return lhs.m_value.number_float < static_cast<number_float_t>(rhs.m_value.number_integer);
}
if (rhs.type() == value_t::number_float)
{ {
return lhs.m_value.number_float < rhs.m_value.number_float; return lhs.m_value.number_float < rhs.m_value.number_float;
} }
break;
} }
} }
else if (lhs_type == value_t::number_integer and rhs_type == value_t::number_float)
{
return lhs.m_value.number_integer <
static_cast<number_integer_t>(rhs.m_value.number_float);
}
else if (lhs_type == value_t::number_float and rhs_type == value_t::number_integer)
{
return lhs.m_value.number_float <
static_cast<number_float_t>(rhs.m_value.number_integer);
}
// We only reach this line if we cannot compare values. In that case, // We only reach this line if we cannot compare values. In that case,
// we compare types. // we compare types.
return lhs.type() < rhs.type(); return lhs_type < rhs_type;
} }
/// comparison: less than or equal /// comparison: less than or equal

57
src/json.hpp.re2c
View file

@ -1951,77 +1951,56 @@ class basic_json
/// comparison: less than /// comparison: less than
friend bool operator<(const_reference lhs, const_reference rhs) noexcept friend bool operator<(const_reference lhs, const_reference rhs) noexcept
{ {
switch (lhs.type()) const auto lhs_type = lhs.type();
const auto rhs_type = rhs.type();
if (lhs_type == rhs_type)
{
switch (lhs_type)
{ {
case (value_t::array): case (value_t::array):
{ {
if (rhs.type() == value_t::array) return *lhs.m_value_array < *rhs.m_value.array;
{
return *lhs.m_value.array < *rhs.m_value.array;
} }
break; case (value_t::onject):
}
case (value_t::object):
{
if (rhs.type() == value_t::object)
{ {
return *lhs.m_value.object < *rhs.m_value.object; return *lhs.m_value.object < *rhs.m_value.object;
} }
break;
}
case (value_t::null): case (value_t::null):
{
if (rhs.type() == value_t::null)
{ {
return false; return false;
} }
break;
}
case (value_t::string): case (value_t::string):
{
if (rhs.type() == value_t::string)
{ {
return *lhs.m_value.string < *rhs.m_value.string; return *lhs.m_value.string < *rhs.m_value.string;
} }
break;
}
case (value_t::boolean): case (value_t::boolean):
{
if (rhs.type() == value_t::boolean)
{ {
return lhs.m_value.boolean < rhs.m_value.boolean; return lhs.m_value.boolean < rhs.m_value.boolean;
} }
break;
}
case (value_t::number_integer): case (value_t::number_integer):
{
if (rhs.type() == value_t::number_integer)
{ {
return lhs.m_value.number_integer < rhs.m_value.number_integer; return lhs.m_value.number_integer < rhs.m_value.number_integer;
} }
if (rhs.type() == value_t::number_float)
{
return lhs.m_value.number_integer < static_cast<number_integer_t>(rhs.m_value.number_float);
}
break;
}
case (value_t::number_float): case (value_t::number_float):
{
if (rhs.type() == value_t::number_integer)
{
return lhs.m_value.number_float < static_cast<number_float_t>(rhs.m_value.number_integer);
}
if (rhs.type() == value_t::number_float)
{ {
return lhs.m_value.number_float < rhs.m_value.number_float; return lhs.m_value.number_float < rhs.m_value.number_float;
} }
break;
} }
} }
else if (lhs_type == value_t::number_integer and rhs_type == value_t::number_float)
{
return lhs.m_value.number_integer <
static_cast<number_integer_t>(rhs.m_value.number_float);
}
else if (lhs_type == value_t::number_float and rhs_type == value_t::number_integer)
{
return lhs.m_value.number_float <
static_cast<number_float_t>(rhs.m_value.number_integer);
}
// We only reach this line if we cannot compare values. In that case, // We only reach this line if we cannot compare values. In that case,
// we compare types. // we compare types.
return lhs.type() < rhs.type(); return lhs_type < rhs_type;
} }
/// comparison: less than or equal /// comparison: less than or equal