Detailed Description
Function Documentation
◆ serd_reader_add_blank_prefix()
| SERD_API void serd_reader_add_blank_prefix | ( | SerdReader *SERD_NONNULL | reader, |
| const uint8_t *SERD_NULLABLE | prefix ) |
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 (a model or a file). Since Serd preserves blank node IDs, this could cause conflicts where two non-equivalent blank nodes are merged, resulting in corrupt data. By setting a unique blank node prefix for each parsed file, this can be avoided, while preserving blank node names.
◆ serd_reader_end_stream()
| SERD_API SerdStatus serd_reader_end_stream | ( | SerdReader *SERD_NONNULL | reader | ) |
Finish an incremental read from a file handle.
◆ serd_reader_free()
| SERD_API void serd_reader_free | ( | SerdReader *SERD_NULLABLE | reader | ) |
Free reader.
◆ serd_reader_get_handle()
| SERD_PURE_API void *SERD_NULLABLE serd_reader_get_handle | ( | const SerdReader *SERD_NONNULL | reader | ) |
Return the handle passed to serd_reader_new().
◆ serd_reader_new()
| SERD_API SerdReader *SERD_ALLOCATED serd_reader_new | ( | SerdSyntax | syntax, |
| void *SERD_NULLABLE | handle, | ||
| void(* | free_handle )(void *SERD_NULLABLE), | ||
| SerdBaseSink SERD_NULLABLE | base_sink, | ||
| SerdPrefixSink SERD_NULLABLE | prefix_sink, | ||
| SerdStatementSink SERD_NULLABLE | statement_sink, | ||
| SerdEndSink SERD_NULLABLE | end_sink ) |
Create a new RDF reader.
◆ serd_reader_read_chunk()
| SERD_API SerdStatus serd_reader_read_chunk | ( | SerdReader *SERD_NONNULL | reader | ) |
Read a single "chunk" of data during an incremental read
This function will read a single top level description, and return. This may be a directive, statement, or several statements; essentially it reads until a '.' is encountered. This is particularly useful for reading directly from a pipe or socket.
◆ serd_reader_read_file()
| SERD_API SerdStatus serd_reader_read_file | ( | SerdReader *SERD_NONNULL | reader, |
| const uint8_t *SERD_NONNULL | uri ) |
Read a file at a given uri.
◆ serd_reader_read_file_handle()
| SERD_API SerdStatus serd_reader_read_file_handle | ( | SerdReader *SERD_NONNULL | reader, |
| FILE *SERD_NONNULL | file, | ||
| const uint8_t *SERD_NULLABLE | name ) |
Read file.
◆ serd_reader_read_source()
| SERD_API SerdStatus serd_reader_read_source | ( | SerdReader *SERD_NONNULL | reader, |
| SerdSource SERD_NONNULL | source, | ||
| SerdStreamErrorFunc SERD_NONNULL | error, | ||
| void *SERD_NONNULL | stream, | ||
| const uint8_t *SERD_NULLABLE | name, | ||
| size_t | page_size ) |
Read a user-specified byte source.
◆ serd_reader_read_string()
| SERD_API SerdStatus serd_reader_read_string | ( | SerdReader *SERD_NONNULL | reader, |
| const uint8_t *SERD_NONNULL | utf8 ) |
Read utf8.
◆ serd_reader_set_default_graph()
| SERD_API void serd_reader_set_default_graph | ( | SerdReader *SERD_NONNULL | reader, |
| const SerdNode *SERD_NULLABLE | graph ) |
Set the URI of the default graph.
If this is set, the reader will emit quads with the graph set to the given node for any statements that are not in a named graph (which is currently all of them since Serd currently does not support any graph syntaxes).
◆ serd_reader_set_error_sink()
| SERD_API void serd_reader_set_error_sink | ( | SerdReader *SERD_NONNULL | reader, |
| SerdErrorSink SERD_NULLABLE | error_sink, | ||
| void *SERD_NULLABLE | error_handle ) |
Set a function to be called when errors occur during reading.
The error_sink will be called with handle as its first argument. If no error function is set, errors are printed to stderr in GCC style.
◆ serd_reader_set_strict()
| SERD_API void serd_reader_set_strict | ( | SerdReader *SERD_NONNULL | reader, |
| bool | strict ) |
Enable or disable strict parsing
The reader is non-strict (lax) by default, which will tolerate URIs with invalid characters. Setting strict will fail when parsing such files. An error is printed for invalid input in either case.
◆ serd_reader_start_source_stream()
| SERD_API SerdStatus serd_reader_start_source_stream | ( | SerdReader *SERD_NONNULL | reader, |
| SerdSource SERD_NONNULL | read_func, | ||
| SerdStreamErrorFunc SERD_NONNULL | error_func, | ||
| void *SERD_NONNULL | stream, | ||
| const uint8_t *SERD_NULLABLE | name, | ||
| size_t | page_size ) |
Start an incremental read from a user-specified source.
The read_func is guaranteed to only be called for page_size elements with size 1 (i.e. page_size bytes).
◆ serd_reader_start_stream()
| SERD_API SerdStatus serd_reader_start_stream | ( | SerdReader *SERD_NONNULL | reader, |
| FILE *SERD_NONNULL | file, | ||
| const uint8_t *SERD_NULLABLE | name, | ||
| bool | bulk ) |
Start an incremental read from a file handle.
Iff bulk is true, file will be read a page at a time. This is more efficient, but uses a page of memory and means that an entire page of input must be ready before any callbacks will fire. To react as soon as input arrives, set bulk to false.
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