bool parser_base::value(pstring& str, bool decode)
{
char c = cur_char();
if (c != '"')
throw malformed_xml_error("value must be quoted");
c = next_char_checked();
size_t first = m_pos;
const char* p0 = m_char;
for (; c != '"'; c = next_char_checked())
{
if (decode && c == '&')
{
// This value contains one or more encoded characters.
cell_buffer& buf = get_cell_buffer();
buf.reset();
buf.append(p0, m_pos-first);
value_with_encoded_char(buf, str);
return true;
}
}
str = pstring(p0, m_pos-first);
// Skip the closing quote.
next();
return false;
}
void sax_parser<_Handler,_Config>::header()
{
// we don't handle multi byte encodings so we can just skip bom entry if exists.
skip_bom();
blank();
if (!has_char() || cur_char() != '<')
throw sax::malformed_xml_error("xml file must begin with '<'.");
if (config_type::strict_xml_declaration)
{
if (next_char_checked() != '?')
throw sax::malformed_xml_error("xml file must begin with '<?'.");
declaration("xml");
}
}
void parser_base::name(pstring& str)
{
size_t first = m_pos;
char c = cur_char();
if (!is_alpha(c))
{
::std::ostringstream os;
os << "name must begin with an alphabet, but got this instead '" << c << "'";
throw malformed_xml_error(os.str());
}
while (is_alpha(c) || is_numeric(c) || is_name_char(c))
c = next_char_checked();
size_t size = m_pos - first;
str = pstring(m_content+first, size);
}
void sax_parser<_Handler,_Config>::element()
{
assert(cur_char() == '<');
const char* pos = m_char;
char c = next_char_checked();
switch (c)
{
case '/':
element_close(pos);
break;
case '!':
special_tag();
break;
case '?':
declaration(NULL);
break;
default:
if (!is_alpha(c))
throw sax::malformed_xml_error("expected an alphabet.");
element_open(pos);
}
}
void sax_parser<_Handler,_Config>::declaration(const char* name_check)
{
assert(cur_char() == '?');
next_check();
// Get the declaration name first.
pstring decl_name;
name(decl_name);
#if ORCUS_DEBUG_SAX_PARSER
cout << "sax_parser::declaration: start name='" << decl_name << "'" << endl;
#endif
if (name_check && decl_name != name_check)
{
std::ostringstream os;
os << "declaration name of '" << name_check << "' was expected, but '" << decl_name << "' was found instead.";
throw sax::malformed_xml_error(os.str());
}
m_handler.start_declaration(decl_name);
blank();
// Parse the attributes.
while (cur_char_checked() != '?')
{
attribute();
blank();
}
if (next_char_checked() != '>')
throw sax::malformed_xml_error("declaration must end with '?>'.");
m_handler.end_declaration(decl_name);
reset_buffer_pos();
next();
#if ORCUS_DEBUG_SAX_PARSER
cout << "sax_parser::declaration: end name='" << decl_name << "'" << endl;
#endif
}
