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// file : xsde/cxx/parser/validating/non-positive-integer.cxx
// copyright : Copyright (c) 2005-2011 Code Synthesis Tools CC
// license : GNU GPL v2 + exceptions; see accompanying LICENSE file
#include <stdlib.h> // strtoul
#include <limits.h> // LONG_MIN
#include <xsde/cxx/errno.hxx>
#include <xsde/cxx/parser/validating/non-positive-integer.hxx>
namespace xsde
{
namespace cxx
{
namespace parser
{
namespace validating
{
void non_positive_integer_pimpl::
_pre ()
{
size_ = 0;
sign_ = none;
state_ = leading_ws;
}
void non_positive_integer_pimpl::
_characters (const ro_string& s)
{
if (!parse (s, str_, 20))
_schema_error (schema_error::invalid_non_positive_integer_value);
}
void non_positive_integer_pimpl::
_post ()
{
ro_string tmp (str_, size_);
size_t size = trim_right (tmp);
if (size != 0 && tmp[0] != '-' && tmp[0] != '+')
{
str_[size] = '\0';
char* p;
set_errno (0);
unsigned long ul = strtoul (str_, &p, 10);
if (*p != '\0' ||
get_errno () != 0 ||
(sign_ != minus && ul != 0) ||
ul > static_cast<unsigned long> (LONG_MIN))
_schema_error (schema_error::invalid_non_positive_integer_value);
value_ = ul == static_cast<unsigned long> (LONG_MIN)
? LONG_MIN : -static_cast<long> (ul);
// 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;
}
}
else
_schema_error (schema_error::invalid_non_positive_integer_value);
}
long non_positive_integer_pimpl::
post_non_positive_integer ()
{
return value_;
}
}
}
}
}
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