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authorDavid Robillard <d@drobilla.net>2011-12-21 21:00:56 +0000
committerDavid Robillard <d@drobilla.net>2011-12-21 21:00:56 +0000
commitec87d1d4538f24911b73fa41287623c3dc2f08fc (patch)
treefe6bf8d0fa93d428cc2b58fb296a20ee9a1d612d /src/state.c
parentfa7065d6b4f80f478a6c43a54452296bbc562e0a (diff)
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Merge preset and state saving.
git-svn-id: http://svn.drobilla.net/lad/trunk/jalv@3897 a436a847-0d15-0410-975c-d299462d15a1
Diffstat (limited to 'src/state.c')
-rw-r--r--src/state.c87
1 files changed, 29 insertions, 58 deletions
diff --git a/src/state.c b/src/state.c
index a87cdb3..7d8da52 100644
--- a/src/state.c
+++ b/src/state.c
@@ -182,11 +182,15 @@ file_sink(const void* buf, size_t len, void* stream)
return fwrite(buf, 1, len, file);
}
-void
-jalv_save(Jalv* jalv, const char* dir)
+int
+write_preset(Jalv* jalv, const char* path)
{
- char* const path = strjoin(dir, "/state.ttl");
- FILE* out_fd = fopen(path, "w");
+ FILE* fd = fopen(path, "w");
+ if (!fd) {
+ fprintf(stderr, "error: Failed to open %s (%s)\n",
+ path, strerror(errno));
+ return 1;
+ }
SerdEnv* env = serd_env_new(NULL);
serd_env_set_prefix_from_strings(env, USTR("atom"), USTR(NS_ATOM));
@@ -210,7 +214,7 @@ jalv_save(Jalv* jalv, const char* dir)
env,
&SERD_URI_NULL,
file_sink,
- out_fd);
+ fd);
serd_env_foreach(env, (SerdPrefixSink)serd_writer_set_prefix, writer);
@@ -254,9 +258,17 @@ jalv_save(Jalv* jalv, const char* dir)
// Close state file and clean up Serd
serd_writer_free(writer);
- fclose(out_fd);
+ fclose(fd);
serd_env_free(env);
+ return 0;
+}
+
+void
+jalv_save(Jalv* jalv, const char* dir)
+{
+ char* const path = strjoin(dir, "/state.ttl");
+ write_preset(jalv, path);
free(path);
}
@@ -551,8 +563,7 @@ jalv_save_port_values(Jalv* jalv,
}
static int
-add_preset_to_manifest(SerdEnv* env,
- const LilvPlugin* plugin,
+add_preset_to_manifest(const LilvPlugin* plugin,
const char* manifest_path,
const char* preset_uri,
const char* preset_file);
@@ -585,56 +596,11 @@ jalv_save_preset(Jalv* jalv, const char* label)
goto done;
}
- // Open preset file
- FILE* fd = fopen((char*)path, "w");
- if (!fd) {
- fprintf(stderr, "error: Failed to open %s (%s)\n",
- path, strerror(errno));
- ret = 3;
- goto done;
- }
-
- SerdURI base_uri;
- SerdNode base = serd_node_new_uri_from_string((const uint8_t*)uri,
- NULL, &base_uri);
-
- SerdEnv* env = serd_env_new(&base);
- serd_env_set_prefix_from_strings(env, USTR("lv2"), USTR(NS_LV2));
- serd_env_set_prefix_from_strings(env, USTR("pset"), USTR(NS_PSET));
- serd_env_set_prefix_from_strings(env, USTR("rdfs"), USTR(NS_RDFS));
-
// Write preset file
+ write_preset(jalv, path);
- SerdWriter* writer = serd_writer_new(
- SERD_TURTLE, SERD_STYLE_ABBREVIATED|SERD_STYLE_CURIED,
- env, &base_uri,
- file_sink,
- fd);
-
- serd_env_foreach(env, (SerdPrefixSink)serd_writer_set_prefix, writer);
-
- // <> a pset:Preset
- SerdNode s = serd_node_from_string(SERD_URI, USTR(""));
- SerdNode p = serd_node_from_string(SERD_URI, USTR(NS_RDF "type"));
- SerdNode o = serd_node_from_string(SERD_CURIE, USTR("pset:Preset"));
- serd_writer_write_statement(writer, 0, NULL, &s, &p, &o, NULL, NULL);
-
- // <> rdfs:label label
- p = serd_node_from_string(SERD_URI, USTR(NS_RDFS "label"));
- o = serd_node_from_string(SERD_LITERAL, USTR(label));
- serd_writer_write_statement(writer, 0,
- NULL, &s, &p, &o, NULL, NULL);
-
- jalv_save_port_values(jalv, writer, &s);
-
- serd_writer_free(writer);
- serd_node_free(&base);
-
- fclose(fd);
- add_preset_to_manifest(env, jalv->plugin,
- manifest_path, filename, filename);
-
- serd_env_free(env);
+ // Add entry to manifest
+ add_preset_to_manifest(jalv->plugin, manifest_path, filename, filename);
done:
free(manifest_path);
@@ -648,8 +614,7 @@ done:
}
static int
-add_preset_to_manifest(SerdEnv* env,
- const LilvPlugin* plugin,
+add_preset_to_manifest(const LilvPlugin* plugin,
const char* manifest_path,
const char* preset_uri,
const char* preset_file)
@@ -661,6 +626,11 @@ add_preset_to_manifest(SerdEnv* env,
return 4;
}
+ SerdEnv* env = serd_env_new(NULL);
+ serd_env_set_prefix_from_strings(env, USTR("lv2"), USTR(NS_LV2));
+ serd_env_set_prefix_from_strings(env, USTR("pset"), USTR(NS_PSET));
+ serd_env_set_prefix_from_strings(env, USTR("rdfs"), USTR(NS_RDFS));
+
#ifdef HAVE_LOCKF
lockf(fileno(fd), F_LOCK, 0);
#endif
@@ -708,6 +678,7 @@ add_preset_to_manifest(SerdEnv* env,
fclose(fd);
free(manifest_uri);
+ serd_env_free(env);
return 0;
}