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-rw-r--r--src/n3.c23
1 files changed, 14 insertions, 9 deletions
diff --git a/src/n3.c b/src/n3.c
index 56b4a625..ebeb6e17 100644
--- a/src/n3.c
+++ b/src/n3.c
@@ -1065,13 +1065,15 @@ read_anon(SerdReader* const reader,
const bool subject,
Ref* const dest)
{
- const SerdStatementFlags old_flags = *ctx.flags;
- bool empty = false;
skip_byte(reader, '[');
- if ((empty = peek_delim(reader, ']'))) {
- *ctx.flags |= (subject) ? SERD_EMPTY_S : SERD_EMPTY_O;
+
+ const SerdStatementFlags old_flags = *ctx.flags;
+ const bool empty = peek_delim(reader, ']');
+
+ if (subject) {
+ *ctx.flags |= empty ? SERD_EMPTY_S : SERD_ANON_S_BEGIN;
} else {
- *ctx.flags |= (subject) ? SERD_ANON_S_BEGIN : SERD_ANON_O_BEGIN;
+ *ctx.flags |= empty ? SERD_EMPTY_O : SERD_ANON_O_BEGIN;
if (peek_delim(reader, '=')) {
if (!(*dest = read_blankName(reader)) || !eat_delim(reader, ';')) {
return SERD_ERR_BAD_SYNTAX;
@@ -1083,11 +1085,13 @@ read_anon(SerdReader* const reader,
*dest = blank_id(reader);
}
+ // Emit statement with this anonymous object first
SerdStatus st = SERD_SUCCESS;
if (ctx.subject) {
TRY(st, emit_statement(reader, ctx, *dest, 0, 0));
}
+ // Switch the subject to the anonymous node and read its description
ctx.subject = *dest;
if (!empty) {
*ctx.flags &= ~(unsigned)SERD_LIST_CONT;
@@ -1096,7 +1100,8 @@ read_anon(SerdReader* const reader,
}
bool ate_dot_in_list = false;
- read_predicateObjectList(reader, ctx, &ate_dot_in_list);
+ TRY_FAILING(st, read_predicateObjectList(reader, ctx, &ate_dot_in_list));
+
if (ate_dot_in_list) {
return r_err(reader, SERD_ERR_BAD_SYNTAX, "'.' inside blank\n");
}
@@ -1316,12 +1321,12 @@ read_collection(SerdReader* const reader, ReadContext ctx, Ref* const dest)
bool end = peek_delim(reader, ')');
*dest = end ? reader->rdf_nil : blank_id(reader);
- if (ctx.subject) {
- // subject predicate _:head
+ if (ctx.subject) { // Reading a collection object
*ctx.flags |= (end ? 0 : SERD_LIST_O_BEGIN);
TRY(st, emit_statement(reader, ctx, *dest, 0, 0));
+ *ctx.flags &= SERD_LIST_O_BEGIN;
*ctx.flags |= SERD_LIST_CONT;
- } else {
+ } else { // Reading a collection subject
*ctx.flags |= (end ? 0 : SERD_LIST_S_BEGIN);
}