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// file : xsde/cxx/serializer/validating/decimal.cxx
// copyright : Copyright (c) 2005-2011 Code Synthesis Tools CC
// license : GNU GPL v2 + exceptions; see accompanying LICENSE file
#include <stdio.h> // sprintf/snprintf
#include <xsde/cxx/serializer/validating/decimal.hxx>
namespace xsde
{
namespace cxx
{
namespace serializer
{
namespace validating
{
void decimal_simpl::
pre (double value)
{
value_ = value;
}
void decimal_simpl::
_serialize_content ()
{
// Check facets.
//
const facets& f = _facets ();
if (f.min_set_ &&
(value_ < f.min_ || (!f.min_inc_ && value_ == f.min_)))
{
_schema_error (schema_error::value_less_than_min);
return;
}
if (f.max_set_ &&
(value_ > f.max_ || (!f.max_inc_ && value_ == f.max_)))
{
_schema_error (schema_error::value_greater_than_max);
return;
}
// Assume double values cannot be longer than 127 characters.
//
char str[128];
#ifdef XSDE_SNPRINTF
int n = snprintf (str, 128, "%.*f",
static_cast<int> (precision_), value_);
#else
int n = sprintf (str, "%.*f",
static_cast<int> (precision_), value_);
#endif
if (n > 0 && n < 128)
{
// For decimal, NaN and INF are not allowed.
//
int i = (str[0] == '-' ? 1 : 0);
if ((str[i] == 'i' && str[i + 1] == 'n' && str[i + 2] == 'f') ||
(str[i] == 'n' && str[i + 1] == 'a' && str[i + 2] == 'n'))
{
_schema_error (schema_error::invalid_decimal_value);
return;
}
// Remove trailing '0' and '.' if necessary.
//
while (str[n - 1] == '0')
n--;
if (str[n - 1] == '.')
n--;
_characters (str, static_cast<size_t> (n));
}
else
_schema_error (schema_error::invalid_decimal_value);
}
}
}
}
}
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