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// file : xsde/cxx/parser/non-validating/float.cxx
// author : Boris Kolpackov <boris@codesynthesis.com>
// copyright : Copyright (c) 2005-2011 Code Synthesis Tools CC
// license : GNU GPL v2 + exceptions; see accompanying LICENSE file
#include <stdlib.h> // strtof, strtod
#include <xsde/cxx/config.hxx>
#include <xsde/cxx/parser/non-validating/float.hxx>
namespace xsde
{
namespace cxx
{
namespace parser
{
namespace non_validating
{
void float_pimpl::
_pre ()
{
size_ = 0;
sign_ = none;
state_ = leading_ws;
}
void float_pimpl::
_characters (const ro_string& s)
{
parse (s, str_, 127);
}
float float_pimpl::
post_float ()
{
ro_string tmp (str_, size_);
size_t size = trim_right (tmp);
str_[size] = '\0';
float r;
if (tmp == "INF")
{
#ifdef XSDE_STRTOF
r = strtof (sign_ == minus ? "-INF" : "INF", 0);
#else
r = static_cast<float> (strtod (sign_ == minus ? "-INF" : "INF", 0));
#endif
}
else if (tmp == "NaN")
{
#ifdef XSDE_STRTOF
r = strtof ("NAN", 0);
#else
r = static_cast<float> (strtod ("NAN", 0));
#endif
}
else
{
#ifdef XSDE_STRTOF
r = strtof (str_, 0);
#else
r = static_cast<float> (strtod (str_, 0));
#endif
if (sign_ == minus)
r = -r;
}
return r;
}
}
}
}
}
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