static bool
read_objectList(SerdReader* reader, ReadContext ctx, bool* ate_dot)
{
TRY_RET(read_object(reader, ctx, ate_dot));
while (!*ate_dot && eat_delim(reader, ',')) {
TRY_RET(read_object(reader, ctx, ate_dot));
}
return true;
}
static bool
read_blank(SerdReader* reader, ReadContext ctx, bool subject, Ref* dest, bool* ate_dot)
{
const SerdStatementFlags old_flags = *ctx.flags;
bool empty;
switch (peek_byte(reader)) {
case '_':
return (*dest = read_BLANK_NODE_LABEL(reader, ate_dot));
case '[':
eat_byte_safe(reader, '[');
if ((empty = peek_delim(reader, ']'))) {
*ctx.flags |= (subject) ? SERD_EMPTY_S : SERD_EMPTY_O;
} else {
*ctx.flags |= (subject) ? SERD_ANON_S_BEGIN : SERD_ANON_O_BEGIN;
if (peek_delim(reader, '=')) {
if (!(*dest = read_blankName(reader)) ||
!eat_delim(reader, ';')) {
return false;
}
}
}
if (!*dest) {
*dest = blank_id(reader);
}
if (ctx.subject) {
TRY_RET(emit_statement(reader, ctx, *dest, 0, 0));
}
ctx.subject = *dest;
if (!empty) {
*ctx.flags &= ~(SERD_LIST_CONT);
if (!subject) {
*ctx.flags |= SERD_ANON_CONT;
}
bool ate_dot_in_list = false;
read_predicateObjectList(reader, ctx, &ate_dot_in_list);
if (ate_dot_in_list) {
return r_err(reader, SERD_ERR_BAD_SYNTAX, "`.' inside blank\n");
}
read_ws_star(reader);
if (reader->end_sink) {
reader->end_sink(reader->handle, deref(reader, *dest));
}
*ctx.flags = old_flags;
}
return (eat_byte_check(reader, ']') == ']');
case '(':
return read_collection(reader, ctx, dest);
default: return false; // never reached
}
}
element_ptr parse( std::istream & in, const std::string & msg )
{
char c = 0; // current character
element_ptr e( new element );
in.get( c );
if ( c == '<' ) in.get( c );
e->name = get_name( c, in );
eat_whitespace( c, in );
// attributes
while ( c != '>' )
{
attribute a;
a.name = get_name( c, in );
eat_delim( c, in, '=', msg );
eat_delim( c, in, '\"', msg );
a.value = get_value( c, in );
e->attributes.push_back( a );
eat_whitespace( c, in );
}
in.get( c ); // next after '>'
eat_whitespace( c, in );
// sub-elements
while ( c == '<' )
{
if ( in.peek() == '/' ) break;
e->elements.push_back( parse( in, msg ) );
in.get( c ); // next after '>'
eat_whitespace( c, in );
}
// content
if ( c != '<' )
{
e->content += '\n';
while ( c != '<' )
{
e->content += c;
in.get( c );
}
}
assert( c == '<' );
in.get( c ); // next after '<'
eat_delim( c, in, '/', msg );
std::string end_name( get_name( c, in ) );
if ( e->name != end_name )
throw std::string("xml syntax error: beginning name ")
+ e->name + " did not match end name " + end_name
+ " (" + msg + ")";
eat_delim( c, in, '>', msg );
return e;
}
