diff options
| -rw-r--r-- | serd/serd.h | 68 | ||||
| -rw-r--r-- | src/n3.c | 16 | ||||
| -rw-r--r-- | src/reader.c | 43 | ||||
| -rw-r--r-- | src/reader.h | 43 | ||||
| -rw-r--r-- | src/serdi.c | 8 | ||||
| -rw-r--r-- | src/writer.c | 23 | ||||
| -rw-r--r-- | tests/serd_test.c | 32 |
7 files changed, 95 insertions, 138 deletions
diff --git a/serd/serd.h b/serd/serd.h index 3698d30c..e90d43e7 100644 --- a/serd/serd.h +++ b/serd/serd.h @@ -711,6 +711,17 @@ typedef SerdStatus (*SerdEndSink)(void* handle, const SerdNode* node); /** + An interface that receives a stream of RDF data. +*/ +typedef struct SerdSink { + void* handle; + SerdBaseSink base; + SerdPrefixSink prefix; + SerdStatementSink statement; + SerdEndSink end; +} SerdSink; + +/** @} @name Environment @{ @@ -817,13 +828,7 @@ serd_env_foreach(const SerdEnv* env, */ SERD_API SerdReader* -serd_reader_new(SerdSyntax syntax, - void* handle, - void (*free_handle)(void*), - SerdBaseSink base_sink, - SerdPrefixSink prefix_sink, - SerdStatementSink statement_sink, - SerdEndSink end_sink); +serd_reader_new(SerdSyntax syntax, const SerdSink* sink); /** Enable or disable strict parsing. @@ -849,13 +854,6 @@ serd_reader_set_error_sink(SerdReader* reader, void* error_handle); /** - Return the `handle` passed to serd_reader_new(). -*/ -SERD_API -void* -serd_reader_get_handle(const SerdReader* reader); - -/** Set a prefix to be added to all blank node identifiers. This is useful when multiple files are to be parsed into the same output @@ -981,6 +979,13 @@ void serd_writer_free(SerdWriter* writer); /** + Return a sink interface that emits statements via `writer`. +*/ +SERD_API +const SerdSink* +serd_writer_get_sink(SerdWriter* writer); + +/** Return the env used by `writer`. */ SERD_API @@ -1055,41 +1060,6 @@ serd_writer_set_root_uri(SerdWriter* writer, const SerdNode* uri); /** - Set a namespace prefix (and emit directive if applicable). - - Note this function can be safely casted to SerdPrefixSink. -*/ -SERD_API -SerdStatus -serd_writer_set_prefix(SerdWriter* writer, - const SerdNode* name, - const SerdNode* uri); - -/** - Write a statement. - - Note this function can be safely casted to SerdStatementSink. -*/ -SERD_API -SerdStatus -serd_writer_write_statement(SerdWriter* writer, - SerdStatementFlags flags, - const SerdNode* graph, - const SerdNode* subject, - const SerdNode* predicate, - const SerdNode* object); - -/** - Mark the end of an anonymous node's description. - - Note this function can be safely casted to SerdEndSink. -*/ -SERD_API -SerdStatus -serd_writer_end_anon(SerdWriter* writer, - const SerdNode* node); - -/** Finish a write. */ SERD_API @@ -942,8 +942,8 @@ read_anon(SerdReader* reader, ReadContext ctx, bool subject, Ref* dest) 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)); + if (reader->sink->end) { + reader->sink->end(reader->sink->handle, deref(reader, *dest)); } *ctx.flags = old_flags; } @@ -1236,8 +1236,8 @@ read_base(SerdReader* reader, bool sparql, bool token) Ref uri; read_ws_star(reader); TRY_RET(uri = read_IRIREF(reader)); - if (reader->base_sink) { - reader->base_sink(reader->handle, deref(reader, uri)); + if (reader->sink->base) { + reader->sink->base(reader->sink->handle, deref(reader, uri)); } pop_node(reader, uri); @@ -1276,10 +1276,10 @@ read_prefixID(SerdReader* reader, bool sparql, bool token) return false; } - if (reader->prefix_sink) { - ret = !reader->prefix_sink(reader->handle, - deref(reader, name), - deref(reader, uri)); + if (reader->sink->prefix) { + ret = !reader->sink->prefix(reader->sink->handle, + deref(reader, name), + deref(reader, uri)); } pop_node(reader, uri); pop_node(reader, name); diff --git a/src/reader.c b/src/reader.c index 63e45070..fd7acd96 100644 --- a/src/reader.c +++ b/src/reader.c @@ -121,9 +121,9 @@ emit_statement(SerdReader* reader, ReadContext ctx, Ref o) if (!graph && reader->default_graph) { graph = reader->default_graph; } - bool ret = !reader->statement_sink || - !reader->statement_sink( - reader->handle, *ctx.flags, graph, + bool ret = !reader->sink->statement || + !reader->sink->statement( + reader->sink->handle, *ctx.flags, graph, deref(reader, ctx.subject), deref(reader, ctx.predicate), deref(reader, o)); *ctx.flags &= SERD_ANON_CONT|SERD_LIST_CONT; // Preserve only cont flags @@ -155,26 +155,16 @@ serd_reader_read_document(SerdReader* reader) } SerdReader* -serd_reader_new(SerdSyntax syntax, - void* handle, - void (*free_handle)(void*), - SerdBaseSink base_sink, - SerdPrefixSink prefix_sink, - SerdStatementSink statement_sink, - SerdEndSink end_sink) +serd_reader_new(SerdSyntax syntax, const SerdSink* sink) { - SerdReader* me = (SerdReader*)calloc(1, sizeof(SerdReader)); - me->handle = handle; - me->free_handle = free_handle; - me->base_sink = base_sink; - me->prefix_sink = prefix_sink; - me->statement_sink = statement_sink; - me->end_sink = end_sink; - me->default_graph = NULL; - me->stack = serd_stack_new(SERD_PAGE_SIZE); - me->syntax = syntax; - me->next_id = 1; - me->strict = true; + SerdReader* me = (SerdReader*)calloc(1, sizeof(SerdReader)); + + me->sink = sink; + me->default_graph = NULL; + me->stack = serd_stack_new(SERD_PAGE_SIZE); + me->syntax = syntax; + me->next_id = 1; + me->strict = true; me->rdf_first = push_node(me, SERD_URI, NS_RDF "first", 48); me->rdf_rest = push_node(me, SERD_URI, NS_RDF "rest", 47); @@ -211,18 +201,9 @@ serd_reader_free(SerdReader* reader) #endif free(reader->stack.buf); free(reader->bprefix); - if (reader->free_handle) { - reader->free_handle(reader->handle); - } free(reader); } -void* -serd_reader_get_handle(const SerdReader* reader) -{ - return reader->handle; -} - void serd_reader_add_blank_prefix(SerdReader* reader, const char* prefix) diff --git a/src/reader.h b/src/reader.h index 62e6a8c8..b4109eea 100644 --- a/src/reader.h +++ b/src/reader.h @@ -46,31 +46,26 @@ typedef struct { } ReadContext; struct SerdReaderImpl { - void* handle; - void (*free_handle)(void* ptr); - SerdBaseSink base_sink; - SerdPrefixSink prefix_sink; - SerdStatementSink statement_sink; - SerdEndSink end_sink; - SerdErrorSink error_sink; - void* error_handle; - Ref rdf_first; - Ref rdf_rest; - Ref rdf_nil; - SerdNode* default_graph; - SerdByteSource source; - SerdStack stack; - SerdSyntax syntax; - unsigned next_id; - SerdStatus status; - uint8_t* buf; - char* bprefix; - size_t bprefix_len; - bool strict; ///< True iff strict parsing - bool seen_genid; + const SerdSink* sink; + SerdErrorSink error_sink; + void* error_handle; + Ref rdf_first; + Ref rdf_rest; + Ref rdf_nil; + SerdNode* default_graph; + SerdByteSource source; + SerdStack stack; + SerdSyntax syntax; + unsigned next_id; + SerdStatus status; + uint8_t* buf; + char* bprefix; + size_t bprefix_len; + bool strict; ///< True iff strict parsing + bool seen_genid; #ifdef SERD_STACK_CHECK - Ref* allocs; ///< Stack of push offsets - size_t n_allocs; ///< Number of stack pushes + Ref* allocs; ///< Stack of push offsets + size_t n_allocs; ///< Number of stack pushes #endif }; diff --git a/src/serdi.c b/src/serdi.c index 29c78b7f..6656ccd2 100644 --- a/src/serdi.c +++ b/src/serdi.c @@ -294,12 +294,8 @@ main(int argc, char** argv) (SerdWriteFunc)fwrite, out_fd); - SerdReader* reader = serd_reader_new( - input_syntax, writer, NULL, - (SerdBaseSink)serd_writer_set_base_uri, - (SerdPrefixSink)serd_writer_set_prefix, - (SerdStatementSink)serd_writer_write_statement, - (SerdEndSink)serd_writer_end_anon); + SerdReader* reader = + serd_reader_new(input_syntax, serd_writer_get_sink(writer)); serd_reader_set_strict(reader, !lax); if (quiet) { diff --git a/src/writer.c b/src/writer.c index 13dd62a6..afe6d778 100644 --- a/src/writer.c +++ b/src/writer.c @@ -89,6 +89,7 @@ static const SepRule rules[] = { }; struct SerdWriterImpl { + SerdSink iface; SerdSyntax syntax; SerdStyle style; SerdEnv* env; @@ -114,6 +115,11 @@ typedef enum { WRITE_LONG_STRING } TextContext; +static SerdStatus +serd_writer_set_prefix(SerdWriter* writer, + const SerdNode* name, + const SerdNode* uri); + static bool write_node(SerdWriter* writer, const SerdNode* node, @@ -693,7 +699,7 @@ write_list_obj(SerdWriter* writer, return false; } -SerdStatus +static SerdStatus serd_writer_write_statement(SerdWriter* writer, SerdStatementFlags flags, const SerdNode* graph, @@ -826,7 +832,7 @@ serd_writer_write_statement(SerdWriter* writer, return SERD_SUCCESS; } -SerdStatus +static SerdStatus serd_writer_end_anon(SerdWriter* writer, const SerdNode* node) { @@ -889,6 +895,13 @@ serd_writer_new(SerdSyntax syntax, writer->empty = true; writer->byte_sink = serd_byte_sink_new( ssink, stream, (style & SERD_STYLE_BULK) ? SERD_PAGE_SIZE : 1); + + writer->iface.handle = writer; + writer->iface.base = (SerdBaseSink)serd_writer_set_base_uri; + writer->iface.prefix = (SerdPrefixSink)serd_writer_set_prefix; + writer->iface.statement = (SerdStatementSink)serd_writer_write_statement; + writer->iface.end = (SerdEndSink)serd_writer_end_anon; + return writer; } @@ -987,6 +1000,12 @@ serd_writer_free(SerdWriter* writer) free(writer); } +const SerdSink* +serd_writer_get_sink(SerdWriter* writer) +{ + return &writer->iface; +} + SerdEnv* serd_writer_get_env(SerdWriter* writer) { diff --git a/tests/serd_test.c b/tests/serd_test.c index 90a01f03..e65692d6 100644 --- a/tests/serd_test.c +++ b/tests/serd_test.c @@ -425,9 +425,10 @@ main(void) serd_writer_chop_blank_prefix(writer, "tmp"); serd_writer_chop_blank_prefix(writer, NULL); - assert(serd_writer_set_base_uri(writer, lit)); - assert(serd_writer_set_prefix(writer, lit, lit)); - assert(serd_writer_end_anon(writer, NULL)); + const SerdSink* iface = serd_writer_get_sink(writer); + assert(iface->base(iface->handle, lit)); + assert(iface->prefix(iface->handle, lit, lit)); + assert(iface->end(iface->handle, NULL)); assert(serd_writer_get_env(writer) == env); uint8_t buf[] = { 0xEF, 0xBF, 0xBD, 0 }; @@ -447,8 +448,8 @@ main(void) { s, p, NULL }, { NULL, NULL, NULL } }; for (unsigned i = 0; i < sizeof(junk) / (sizeof(SerdNode*) * 5); ++i) { - assert(serd_writer_write_statement( - writer, 0, NULL, + assert(iface->statement( + iface->handle, 0, NULL, junk[i][0], junk[i][1], junk[i][2])); } @@ -465,27 +466,23 @@ main(void) { s, p, o }, { s, p, o } }; for (unsigned i = 0; i < sizeof(good) / (sizeof(SerdNode*) * 5); ++i) { - assert(!serd_writer_write_statement( - writer, 0, NULL, - good[i][0], good[i][1], good[i][2])); + assert(!iface->statement( + iface->handle, 0, NULL, good[i][0], good[i][1], good[i][2])); } // Write statements with bad UTF-8 (should be replaced) const char bad_str[] = { (char)0xFF, (char)0x90, 'h', 'i', 0 }; SerdNode* bad_lit = serd_node_new_string(SERD_LITERAL, bad_str); SerdNode* bad_uri = serd_node_new_string(SERD_URI, bad_str); - assert(!serd_writer_write_statement( - writer, 0, NULL, s, p, bad_lit)); - assert(!serd_writer_write_statement(writer, 0, NULL, - s, p, bad_uri)); + assert(!iface->statement(iface->handle, 0, NULL, s, p, bad_lit)); + assert(!iface->statement(iface->handle, 0, NULL, s, p, bad_uri)); serd_node_free(bad_lit); serd_node_free(bad_uri); // Write 1 valid statement serd_node_free(o); o = serd_node_new_string(SERD_LITERAL, "hello"); - assert(!serd_writer_write_statement(writer, 0, NULL, - s, p, o)); + assert(!iface->statement(iface->handle, 0, NULL, s, p, o)); serd_writer_free(writer); serd_node_free(lit); @@ -514,11 +511,9 @@ main(void) fseek(fd, 0, SEEK_SET); ReaderTest* rt = (ReaderTest*)calloc(1, sizeof(ReaderTest)); - SerdReader* reader = serd_reader_new( - SERD_TURTLE, rt, free, - NULL, NULL, test_sink, NULL); + SerdSink sink = { rt, NULL, NULL, test_sink, NULL }; + SerdReader* reader = serd_reader_new(SERD_TURTLE, &sink); assert(reader); - assert(serd_reader_get_handle(reader) == rt); SerdNode* g = serd_node_new_string(SERD_URI, "http://example.org/"); serd_reader_set_default_graph(reader, g); @@ -539,6 +534,7 @@ main(void) assert(serd_reader_read_string(reader, "This isn't Turtle at all.")); serd_reader_free(reader); + free(rt); fclose(fd); serd_env_free(env); |