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// file : xsde/cxx/parser/validating/decimal.cxx
// author : Boris Kolpackov <boris@codesynthesis.com>
// copyright : Copyright (c) 2005-2009 Code Synthesis Tools CC
// license : GNU GPL v2 + exceptions; see accompanying LICENSE file
#include <stdlib.h> // strtod
#include <xsde/cxx/errno.hxx>
#include <xsde/cxx/parser/validating/decimal.hxx>
namespace xsde
{
namespace cxx
{
namespace parser
{
namespace validating
{
void decimal_pimpl::
_pre ()
{
size_ = 0;
sign_ = none;
state_ = leading_ws;
}
void decimal_pimpl::
_characters (const ro_string& s)
{
if (!parse (s, str_, 127))
_schema_error (schema_error::invalid_decimal_value);
}
void decimal_pimpl::
_post ()
{
ro_string tmp (str_, size_);
size_t size = trim_right (tmp);
if (size != 0 && tmp[0] != '-' && tmp[0] != '+')
{
str_[size] = '\0';
if (tmp == "INF" || tmp == "NaN" || tmp == "NAN")
{
_schema_error (schema_error::invalid_decimal_value);
}
else
{
char* p;
set_errno (0);
value_ = strtod (str_, &p);
if (*p != '\0' || get_errno () != 0)
_schema_error (schema_error::invalid_decimal_value);
if (sign_ == minus)
value_ = -value_;
}
}
else
_schema_error (schema_error::invalid_decimal_value);
}
double decimal_pimpl::
post_decimal ()
{
return value_;
}
}
}
}
}
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