diff options
Diffstat (limited to 'serd')
| -rw-r--r-- | serd/serd.h | 51 |
1 files changed, 50 insertions, 1 deletions
diff --git a/serd/serd.h b/serd/serd.h index cc2365f4..1cd54df8 100644 --- a/serd/serd.h +++ b/serd/serd.h @@ -21,6 +21,7 @@ #ifndef SERD_SERD_H #define SERD_SERD_H +#include <stdarg.h> #include <stddef.h> #include <stdint.h> #include <stdio.h> @@ -89,7 +90,10 @@ typedef enum { SERD_ERR_UNKNOWN, /**< Unknown error */ SERD_ERR_BAD_SYNTAX, /**< Invalid syntax */ SERD_ERR_BAD_ARG, /**< Invalid argument */ - SERD_ERR_NOT_FOUND /**< Not found */ + SERD_ERR_NOT_FOUND, /**< Not found */ + SERD_ERR_ID_CLASH, /**< Encountered clashing blank node IDs */ + SERD_ERR_BAD_CURIE, /**< Invalid CURIE (e.g. prefix does not exist) */ + SERD_ERR_INTERNAL /**< Unexpected internal error (should not happen) */ } SerdStatus; /** @@ -216,6 +220,18 @@ typedef struct { } SerdChunk; /** + An error description. +*/ +typedef struct { + SerdStatus status; /**< Error code */ + const uint8_t* filename; /**< File where error was encountered, or NULL */ + unsigned line; /**< Line where error was encountered, or 0 */ + unsigned col; /**< Column where error was encountered */ + const char* fmt; /**< Message format string (printf style) */ + va_list* args; /**< Arguments for fmt */ +} SerdError; + +/** A parsed URI. This struct directly refers to chunks in other strings, it does not own any @@ -513,6 +529,15 @@ serd_node_free(SerdNode* node); */ /** + Sink (callback) for errors. + + @param handle Handle for user data. + @param error Error description. +*/ +typedef SerdStatus (*SerdErrorSink)(void* handle, + const SerdError* error); + +/** Sink (callback) for base URI changes. Called whenever the base URI of the serialisation changes. @@ -664,6 +689,18 @@ serd_reader_new(SerdSyntax syntax, SerdEndSink end_sink); /** + Set a function to be called when errors occur during reading. + + The @p error_sink will be called with @p handle as its first argument. If + no error function is set, errors are printed to stderr in GCC style. +*/ +SERD_API +void +serd_reader_set_error_sink(SerdReader* reader, + SerdErrorSink error_sink, + void* handle); + +/** Return the @c handle passed to @ref serd_reader_new. */ SERD_API @@ -826,6 +863,18 @@ uint8_t* serd_chunk_sink_finish(SerdChunk* stream); /** + Set a function to be called when errors occur during writing. + + The @p error_sink will be called with @p handle as its first argument. If + no error function is set, errors are printed to stderr. +*/ +SERD_API +void +serd_writer_set_error_sink(SerdWriter* writer, + SerdErrorSink error_sink, + void* handle); + +/** Set a prefix to be removed from matching blank node identifiers. */ SERD_API |