From 9fd4ff5a6470f58916d7cd8578bcb839f9b5feaa Mon Sep 17 00:00:00 2001
From: David Robillard <d@drobilla.net>
Date: Sun, 29 Apr 2018 15:24:05 +0200
Subject: Add SerdWorld for shared library state

---
 serd/serd.h | 71 +++++++++++++++++++++++++++++++++++++++----------------------
 1 file changed, 45 insertions(+), 26 deletions(-)

(limited to 'serd')

diff --git a/serd/serd.h b/serd/serd.h
index 5270c15f..8744b634 100644
--- a/serd/serd.h
+++ b/serd/serd.h
@@ -54,6 +54,13 @@ extern "C" {
    @{
 */
 
+/**
+   World.
+
+   The World represents all library state shared between various objects.
+*/
+typedef struct SerdWorldImpl SerdWorld;
+
 /**
    Environment.
 
@@ -721,6 +728,41 @@ typedef struct SerdSink {
 	SerdEndSink       end;
 } SerdSink;
 
+/**
+   @}
+   @name World
+   @{
+*/
+
+/**
+   Create a new Serd World.
+
+   It is safe to use multiple worlds in one process, though no objects can be
+   shared between worlds.
+*/
+SERD_API
+SerdWorld*
+serd_world_new(void);
+
+/**
+   Free `world`.
+*/
+SERD_API
+void
+serd_world_free(SerdWorld* world);
+
+/**
+   Set a function to be called when errors occur.
+
+   The `error_sink` will be called with `handle` as its first argument.  If
+   no error function is set, errors are printed to stderr.
+*/
+SERD_API
+void
+serd_world_set_error_sink(SerdWorld*    world,
+                          SerdErrorSink error_sink,
+                          void*         handle);
+
 /**
    @}
    @name Environment
@@ -828,7 +870,7 @@ serd_env_foreach(const SerdEnv* env,
 */
 SERD_API
 SerdReader*
-serd_reader_new(SerdSyntax syntax, const SerdSink* sink);
+serd_reader_new(SerdWorld* world, SerdSyntax syntax, const SerdSink* sink);
 
 /**
    Enable or disable strict parsing.
@@ -841,18 +883,6 @@ SERD_API
 void
 serd_reader_set_strict(SerdReader* reader, bool strict);
 
-/**
-   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_API
-void
-serd_reader_set_error_sink(SerdReader*   reader,
-                           SerdErrorSink error_sink,
-                           void*         error_handle);
-
 /**
    Set a prefix to be added to all blank node identifiers.
 
@@ -964,7 +994,8 @@ serd_reader_free(SerdReader* reader);
 */
 SERD_API
 SerdWriter*
-serd_writer_new(SerdSyntax     syntax,
+serd_writer_new(SerdWorld*     world,
+                SerdSyntax     syntax,
                 SerdStyle      style,
                 SerdEnv*       env,
                 const SerdURI* base_uri,
@@ -1014,18 +1045,6 @@ SERD_API
 char*
 serd_buffer_sink_finish(SerdBuffer* stream);
 
-/**
-   Set a function to be called when errors occur during writing.
-
-   The `error_sink` will be called with `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*         error_handle);
-
 /**
    Set a prefix to be removed from matching blank node identifiers.
 */
-- 
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