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-rw-r--r--src/n3.c126
-rw-r--r--src/reader.c4
-rw-r--r--src/reader.h7
3 files changed, 80 insertions, 57 deletions
diff --git a/src/n3.c b/src/n3.c
index b71eb1f0..3579f62a 100644
--- a/src/n3.c
+++ b/src/n3.c
@@ -54,8 +54,8 @@ read_HEX(SerdReader* reader)
return (uint8_t)eat_byte_safe(reader, c);
}
- return (uint8_t)r_err(reader, SERD_ERR_BAD_SYNTAX,
- "invalid hexadecimal digit `%c'\n", c);
+ r_err(reader, SERD_ERR_BAD_SYNTAX, "invalid hexadecimal digit `%c'\n", c);
+ return 0;
}
// Read UCHAR escape, initial \ is already eaten by caller
@@ -398,7 +398,8 @@ read_String(SerdReader* reader, SerdNodeFlags* flags)
const int q2 = peek_byte(reader);
if (q2 == EOF) {
- return r_err(reader, SERD_ERR_BAD_SYNTAX, "unexpected end of file\n");
+ r_err(reader, SERD_ERR_BAD_SYNTAX, "unexpected end of file\n");
+ return 0;
} else if (q2 != q1) { // Short string (not triple quoted)
return read_STRING_LITERAL(reader, flags, (uint8_t)q1);
}
@@ -406,14 +407,16 @@ read_String(SerdReader* reader, SerdNodeFlags* flags)
eat_byte_safe(reader, q2);
const int q3 = peek_byte(reader);
if (q3 == EOF) {
- return r_err(reader, SERD_ERR_BAD_SYNTAX, "unexpected end of file\n");
+ r_err(reader, SERD_ERR_BAD_SYNTAX, "unexpected end of file\n");
+ return 0;
} else if (q3 != q1) { // Empty short string ("" or '')
return push_node(reader, SERD_LITERAL, "", 0);
}
if (!fancy_syntax(reader)) {
- return r_err(reader, SERD_ERR_BAD_SYNTAX,
- "syntax does not support long literals\n");
+ r_err(reader, SERD_ERR_BAD_SYNTAX,
+ "syntax does not support long literals\n");
+ return 0;
}
eat_byte_safe(reader, q3);
@@ -524,8 +527,7 @@ read_PN_LOCAL_ESC(SerdReader* reader, Ref dest)
push_byte(reader, dest, eat_byte_safe(reader, c));
break;
default:
- r_err(reader, SERD_ERR_BAD_SYNTAX, "invalid escape\n");
- return SERD_ERR_BAD_SYNTAX;
+ return r_err(reader, SERD_ERR_BAD_SYNTAX, "invalid escape\n");
}
return SERD_SUCCESS;
@@ -601,8 +603,7 @@ read_PN_PREFIX_tail(SerdReader* reader, Ref dest)
const SerdNode* const n = deref(reader, dest);
if (n->buf[n->n_bytes - 1] == '.' && read_PN_CHARS(reader, dest)) {
- r_err(reader, SERD_ERR_BAD_SYNTAX, "prefix ends with `.'\n");
- return SERD_ERR_BAD_SYNTAX;
+ return r_err(reader, SERD_ERR_BAD_SYNTAX, "prefix ends with `.'\n");
}
return SERD_SUCCESS;
@@ -622,7 +623,8 @@ read_LANGTAG(SerdReader* reader)
{
int c = peek_byte(reader);
if (!is_alpha(c)) {
- return r_err(reader, SERD_ERR_BAD_SYNTAX, "unexpected `%c'\n", c);
+ r_err(reader, SERD_ERR_BAD_SYNTAX, "unexpected `%c'\n", c);
+ return 0;
}
Ref ref = push_node(reader, SERD_LITERAL, "", 0);
@@ -644,19 +646,21 @@ read_IRIREF_scheme(SerdReader* reader, Ref dest)
{
int c = peek_byte(reader);
if (!is_alpha(c)) {
- return r_err(reader, SERD_ERR_BAD_SYNTAX,
- "bad IRI scheme start `%c'\n", c);
+ r_err(reader, SERD_ERR_BAD_SYNTAX, "bad IRI scheme start `%c'\n", c);
+ return false;
}
while ((c = peek_byte(reader)) != EOF) {
if (c == '>') {
- return r_err(reader, SERD_ERR_BAD_SYNTAX, "missing IRI scheme\n");
+ r_err(reader, SERD_ERR_BAD_SYNTAX, "missing IRI scheme\n");
+ return false;
} else if (!is_uri_scheme_char(c)) {
- return r_err(reader,
- SERD_ERR_BAD_SYNTAX,
- "bad IRI scheme char U+%04X (%c)\n",
- (unsigned)c,
- (char)c);
+ r_err(reader,
+ SERD_ERR_BAD_SYNTAX,
+ "bad IRI scheme char U+%04X (%c)\n",
+ (unsigned)c,
+ (char)c);
+ return false;
}
push_byte(reader, dest, eat_byte_safe(reader, c));
@@ -665,7 +669,8 @@ read_IRIREF_scheme(SerdReader* reader, Ref dest)
}
}
- return r_err(reader, SERD_ERR_BAD_SYNTAX, "unexpected end of file\n");
+ r_err(reader, SERD_ERR_BAD_SYNTAX, "unexpected end of file\n");
+ return false;
}
static Ref
@@ -823,7 +828,8 @@ read_number(SerdReader* reader, Ref* dest, Ref* datatype, bool* ate_dot)
except:
pop_node(reader, *datatype);
pop_node(reader, ref);
- return r_err(reader, SERD_ERR_BAD_SYNTAX, "bad number syntax\n");
+ r_err(reader, SERD_ERR_BAD_SYNTAX, "bad number syntax\n");
+ return false;
}
static bool
@@ -865,7 +871,8 @@ except:
*datatype = pop_node(reader, *datatype);
*lang = pop_node(reader, *lang);
pop_node(reader, str);
- return r_err(reader, SERD_ERR_BAD_SYNTAX, "bad literal syntax\n");
+ r_err(reader, SERD_ERR_BAD_SYNTAX, "bad literal syntax\n");
+ return false;
}
static bool
@@ -892,7 +899,8 @@ read_verb(SerdReader* reader, Ref* dest)
read_PrefixedName(reader, *dest, false, &ate_dot) ||
ate_dot) {
*dest = pop_node(reader, *dest);
- return r_err(reader, SERD_ERR_BAD_SYNTAX, "bad verb\n");
+ r_err(reader, SERD_ERR_BAD_SYNTAX, "bad verb\n");
+ return false;
}
return true;
@@ -952,7 +960,8 @@ read_blankName(SerdReader* reader)
{
eat_byte_safe(reader, '=');
if (eat_byte_check(reader, '=') != '=') {
- return r_err(reader, SERD_ERR_BAD_SYNTAX, "expected `='\n");
+ r_err(reader, SERD_ERR_BAD_SYNTAX, "expected `='\n");
+ return 0;
}
Ref subject = 0;
@@ -996,7 +1005,8 @@ read_anon(SerdReader* reader, ReadContext ctx, bool subject, Ref* dest)
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");
+ r_err(reader, SERD_ERR_BAD_SYNTAX, "`.' inside blank\n");
+ return false;
}
read_ws_star(reader);
if (reader->end_sink) {
@@ -1031,13 +1041,15 @@ read_object(SerdReader* reader, ReadContext* ctx, bool emit, bool* ate_dot)
if (!fancy_syntax(reader)) {
switch (c) {
case '"': case ':': case '<': case '_': break;
- default: return r_err(reader, SERD_ERR_BAD_SYNTAX,
- "expected: ':', '<', or '_'\n");
+ default:
+ r_err(reader, SERD_ERR_BAD_SYNTAX, "expected: ':', '<', or '_'\n");
+ return false;
}
}
switch (c) {
case EOF: case '\0': case ')':
- return r_err(reader, SERD_ERR_BAD_SYNTAX, "expected object\n");
+ r_err(reader, SERD_ERR_BAD_SYNTAX, "expected object\n");
+ return false;
case '[':
simple = false;
TRY_THROW(ret = read_anon(reader, *ctx, false, &o));
@@ -1110,8 +1122,9 @@ read_objectList(SerdReader* reader, ReadContext ctx, bool* ate_dot)
{
TRY_RET(read_object(reader, &ctx, true, ate_dot));
if (!fancy_syntax(reader) && peek_delim(reader, ',')) {
- return r_err(reader, SERD_ERR_BAD_SYNTAX,
- "syntax does not support abbreviation\n");
+ r_err(reader, SERD_ERR_BAD_SYNTAX,
+ "syntax does not support abbreviation\n");
+ return false;
}
while (!*ate_dot && eat_delim(reader, ',')) {
@@ -1137,8 +1150,8 @@ read_predicateObjectList(SerdReader* reader, ReadContext ctx, bool* ate_dot)
read_ws_star(reader);
switch (c = peek_byte(reader)) {
case EOF: case '\0':
- return r_err(reader, SERD_ERR_BAD_SYNTAX,
- "unexpected end of file\n");
+ r_err(reader, SERD_ERR_BAD_SYNTAX, "unexpected end of file\n");
+ return false;
case '.': case ']': case '}':
return true;
case ';':
@@ -1148,7 +1161,8 @@ read_predicateObjectList(SerdReader* reader, ReadContext ctx, bool* ate_dot)
} while (c == ';');
if (!ate_semi) {
- return r_err(reader, SERD_ERR_BAD_SYNTAX, "missing ';' or '.'\n");
+ r_err(reader, SERD_ERR_BAD_SYNTAX, "missing ';' or '.'\n");
+ return false;
}
}
@@ -1300,8 +1314,8 @@ read_base(SerdReader* reader, bool sparql, bool token)
if (!sparql) {
return eat_byte_check(reader, '.');
} else if (peek_byte(reader) == '.') {
- return r_err(reader, SERD_ERR_BAD_SYNTAX,
- "full stop after SPARQL BASE\n");
+ r_err(reader, SERD_ERR_BAD_SYNTAX, "full stop after SPARQL BASE\n");
+ return false;
}
return true;
}
@@ -1353,8 +1367,8 @@ read_directive(SerdReader* reader)
eat_byte_safe(reader, '@');
switch (peek_byte(reader)) {
case 'B': case 'P':
- return r_err(reader, SERD_ERR_BAD_SYNTAX,
- "uppercase directive\n");
+ r_err(reader, SERD_ERR_BAD_SYNTAX, "uppercase directive\n");
+ return false;
}
}
@@ -1364,7 +1378,8 @@ read_directive(SerdReader* reader)
default: break;
}
- return r_err(reader, SERD_ERR_BAD_SYNTAX, "invalid directive\n");
+ r_err(reader, SERD_ERR_BAD_SYNTAX, "invalid directive\n");
+ return false;
}
static bool
@@ -1378,12 +1393,14 @@ read_wrappedGraph(SerdReader* reader, ReadContext* ctx)
ctx->subject = 0;
Ref subj = read_subject(reader, *ctx, &ctx->subject, &s_type);
if (!subj && ctx->subject) {
- return r_err(reader, SERD_ERR_BAD_SYNTAX, "bad subject\n");
+ r_err(reader, SERD_ERR_BAD_SYNTAX, "bad subject\n");
+ return false;
} else if (!subj) {
return false;
} else if (!read_triples(reader, *ctx, &ate_dot) && s_type != '[') {
- return r_err(reader, SERD_ERR_BAD_SYNTAX,
- "missing predicate object list\n");
+ r_err(reader, SERD_ERR_BAD_SYNTAX,
+ "missing predicate object list\n");
+ return false;
}
pop_node(reader, subj);
read_ws_star(reader);
@@ -1420,8 +1437,9 @@ read_n3_statement(SerdReader* reader)
return reader->status <= SERD_FAILURE;
case '@':
if (!fancy_syntax(reader)) {
- return r_err(reader, SERD_ERR_BAD_SYNTAX,
- "syntax does not support directives\n");
+ r_err(reader, SERD_ERR_BAD_SYNTAX,
+ "syntax does not support directives\n");
+ return false;
}
TRY_RET(read_directive(reader));
read_ws_star(reader);
@@ -1431,8 +1449,9 @@ read_n3_statement(SerdReader* reader)
TRY_RET(read_wrappedGraph(reader, &ctx));
read_ws_star(reader);
} else {
- return r_err(reader, SERD_ERR_BAD_SYNTAX,
- "syntax does not support graphs\n");
+ r_err(reader, SERD_ERR_BAD_SYNTAX,
+ "syntax does not support graphs\n");
+ return false;
}
break;
default:
@@ -1451,8 +1470,8 @@ read_n3_statement(SerdReader* reader)
read_ws_star(reader);
} else if (read_ws_star(reader) && peek_byte(reader) == '{') {
if (s_type == '(' || (s_type == '[' && !*ctx.flags)) {
- return r_err(reader, SERD_ERR_BAD_SYNTAX,
- "invalid graph name\n");
+ r_err(reader, SERD_ERR_BAD_SYNTAX, "invalid graph name\n");
+ return false;
}
ctx.graph = subj;
ctx.subject = subj = 0;
@@ -1460,11 +1479,13 @@ read_n3_statement(SerdReader* reader)
pop_node(reader, ctx.graph);
read_ws_star(reader);
} else if (!subj) {
- ret = r_err(reader, SERD_ERR_BAD_SYNTAX, "bad subject\n");
+ r_err(reader, SERD_ERR_BAD_SYNTAX, "bad subject\n");
+ ret = false;
} else if (!read_triples(reader, ctx, &ate_dot)) {
if (!(ret = (s_type == '[')) && ate_dot) {
- ret = r_err(reader, SERD_ERR_BAD_SYNTAX,
- "unexpected end of statement\n");
+ r_err(reader, SERD_ERR_BAD_SYNTAX,
+ "unexpected end of statement\n");
+ ret = false;
}
} else if (!ate_dot) {
read_ws_star(reader);
@@ -1511,8 +1532,9 @@ read_nquadsDoc(SerdReader* reader)
if (peek_byte(reader) == EOF) {
break;
} else if (peek_byte(reader) == '@') {
- return r_err(reader, SERD_ERR_BAD_SYNTAX,
- "syntax does not support directives\n");
+ r_err(reader, SERD_ERR_BAD_SYNTAX,
+ "syntax does not support directives\n");
+ return false;
}
// subject predicate object
diff --git a/src/reader.c b/src/reader.c
index 4a22a84f..4d281af7 100644
--- a/src/reader.c
+++ b/src/reader.c
@@ -26,7 +26,7 @@
#include <stdlib.h>
#include <string.h>
-int
+SerdStatus
r_err(SerdReader* reader, SerdStatus st, const char* fmt, ...)
{
va_list args;
@@ -35,7 +35,7 @@ r_err(SerdReader* reader, SerdStatus st, const char* fmt, ...)
const SerdError e = { st, cur->filename, cur->line, cur->col, fmt, &args };
serd_error(reader->error_sink, reader->error_handle, &e);
va_end(args);
- return 0;
+ return st;
}
void
diff --git a/src/reader.h b/src/reader.h
index 4b31b94d..dfc0f680 100644
--- a/src/reader.h
+++ b/src/reader.h
@@ -85,7 +85,7 @@ struct SerdReaderImpl {
};
SERD_LOG_FUNC(3, 4)
-int
+SerdStatus
r_err(SerdReader* reader, SerdStatus st, const char* fmt, ...);
Ref push_node_padded(SerdReader* reader,
@@ -147,8 +147,9 @@ eat_byte_check(SerdReader* reader, const int byte)
{
const int c = peek_byte(reader);
if (c != byte) {
- return r_err(reader, SERD_ERR_BAD_SYNTAX,
- "expected `%c', not `%c'\n", byte, c);
+ r_err(reader, SERD_ERR_BAD_SYNTAX,
+ "expected `%c', not `%c'\n", byte, c);
+ return 0;
}
return eat_byte_safe(reader, byte);
}
generated by cgit v1.2.1 (git 2.18.0) at 2024-11-03 03:41:25 +0000