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// file : xsde/cxx/parser/validating/unsigned-byte.cxx
// author : Boris Kolpackov <boris@codesynthesis.com>
// copyright : Copyright (c) 2005-2010 Code Synthesis Tools CC
// license : GNU GPL v2 + exceptions; see accompanying LICENSE file
#include <stdlib.h> // strtoul
#include <xsde/cxx/parser/validating/unsigned-byte.hxx>
namespace xsde
{
namespace cxx
{
namespace parser
{
namespace validating
{
void unsigned_byte_pimpl::
_pre ()
{
size_ = 0;
sign_ = none;
state_ = leading_ws;
}
void unsigned_byte_pimpl::
_characters (const ro_string& s)
{
if (!parse (s, str_, 4))
_schema_error (schema_error::invalid_unsigned_byte_value);
}
void unsigned_byte_pimpl::
_post ()
{
ro_string tmp (str_, size_);
size_t size = trim_right (tmp);
if (size != 0 && sign_ != minus && tmp[0] != '-' && tmp[0] != '+')
{
str_[size] = '\0';
// No need to check errno since our string representation
// can never overflow an unsigned long.
//
char* p;
unsigned long ul = strtoul (str_, &p, 10);
if (*p != '\0' || ul > 255)
_schema_error (schema_error::invalid_unsigned_byte_value);
value_ = static_cast<unsigned char> (ul);
}
else
_schema_error (schema_error::invalid_unsigned_byte_value);
}
unsigned char unsigned_byte_pimpl::
post_unsigned_byte ()
{
return value_;
}
}
}
}
}
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