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| author | David Robillard <d@drobilla.net> | 2011-01-21 19:26:00 +0000 |
|---|---|---|
| committer | David Robillard <d@drobilla.net> | 2011-01-21 19:26:00 +0000 |
| commit | 2a45d353d555e65087d7ce623da42d1ac10f2493 (patch) | |
| tree | cd3799bbf179b4a820c4d067b37c47e0c11855bf /src/reader.c | |
| parent | e3b0d874872c77876988385b72f652e367ce669a (diff) | |
| download | serd-2a45d353d555e65087d7ce623da42d1ac10f2493.tar.gz serd-2a45d353d555e65087d7ce623da42d1ac10f2493.tar.bz2 serd-2a45d353d555e65087d7ce623da42d1ac10f2493.zip | |
Clean up whitespace handling (properly deal with errors while expecting whitespace).
git-svn-id: http://svn.drobilla.net/serd/trunk@24 490d8e77-9747-427b-9fa3-0b8f29cee8a0
Diffstat (limited to 'src/reader.c')
| -rw-r--r-- | src/reader.c | 32 |
1 files changed, 12 insertions, 20 deletions
diff --git a/src/reader.c b/src/reader.c index b23a604a..10175d45 100644 --- a/src/reader.c +++ b/src/reader.c @@ -578,13 +578,10 @@ read_comment(SerdReader parser) // [24] ws ::= #x9 | #xA | #xD | #x20 | comment static inline bool -read_ws(SerdReader parser, bool required) +read_ws(SerdReader parser) { const uint8_t c = peek_byte(parser); switch (c) { - case '\0': - assert(parser->eof); - return false; case 0x9: case 0xA: case 0xD: case 0x20: eat_byte(parser, c); return true; @@ -592,27 +589,22 @@ read_ws(SerdReader parser, bool required) read_comment(parser); return true; default: - if (required) { - error(parser, "expected whitespace\n"); - } return false; } } -static inline bool -read_ws_plus(SerdReader parser) +static inline void +read_ws_star(SerdReader parser) { - if (read_ws(parser, true)) { - while (read_ws(parser, false)) {} - return true; - } - return false; + while (read_ws(parser)) {} } -static inline void -read_ws_star(SerdReader parser) +static inline bool +read_ws_plus(SerdReader parser) { - while (read_ws(parser, false)) {} + TRY_RET(read_ws(parser)); + read_ws_star(parser); + return true; } // [37] longSerdString ::= #x22 #x22 #x22 lcharacter* #x22 #x22 #x22 @@ -1114,7 +1106,7 @@ read_predicateObjectList(SerdReader parser, const Node* subject) } Node predicate = SERD_NODE_NULL; TRY_RET(read_verb(parser, &predicate)); - read_ws_plus(parser); + TRY_THROW(read_ws_plus(parser)); TRY_THROW(read_objectList(parser, subject, &predicate)); pop_string(parser, predicate.value); predicate.value = 0; @@ -1127,7 +1119,7 @@ read_predicateObjectList(SerdReader parser, const Node* subject) return true; default: TRY_THROW(read_verb(parser, &predicate)); - read_ws_plus(parser); + TRY_THROW(read_ws_plus(parser)); TRY_THROW(read_objectList(parser, subject, &predicate)); pop_string(parser, predicate.value); predicate.value = 0; @@ -1236,7 +1228,7 @@ read_prefixID(SerdReader parser) { // `@' is already eaten in read_directive eat_string(parser, "prefix", 6); - read_ws_plus(parser); + TRY_RET(read_ws_plus(parser)); bool ret = false; Ref name = read_prefixName(parser); if (!name) { |