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authorDavid Robillard <d@drobilla.net>2009-06-16 23:09:09 +0000
committerDavid Robillard <d@drobilla.net>2009-06-16 23:09:09 +0000
commit933263cfc85ec3464ad1e28dc7e781a3c2e9f2c4 (patch)
treeee1c3b782879b3482948642da9b6f00187a57688 /src
parent573146f927337d29ae7cb874f7b16aa5a3e8d0d4 (diff)
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Remove lv2_dyn_manifest.h from slv2 source tree.
git-svn-id: http://svn.drobilla.net/lad/trunk/slv2@2121 a436a847-0d15-0410-975c-d299462d15a1
Diffstat (limited to 'src')
-rw-r--r--src/lv2_dyn_manifest.h246
-rw-r--r--src/plugin.c1
-rw-r--r--src/world.c1
3 files changed, 2 insertions, 246 deletions
diff --git a/src/lv2_dyn_manifest.h b/src/lv2_dyn_manifest.h
deleted file mode 100644
index f15f6f4..0000000
--- a/src/lv2_dyn_manifest.h
+++ /dev/null
@@ -1,246 +0,0 @@
-/*
- * Dynamic manifest specification for LV2
- * Revision 1
- *
- * Copyright (C) 2008, 2009 Stefano D'Angelo <zanga.mail@gmail.com>
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in the
- * documentation and/or other materials provided with the distribution.
- * 3. The name of the author may not be used to endorse or promote products
- * derived from this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
- * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
- * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
- * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
- * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
- * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
- * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
- * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
- * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- */
-
-#ifndef LV2_DYN_MANIFEST_H_INCLUDED
-#define LV2_DYN_MANIFEST_H_INCLUDED
-
-#include <stdio.h>
-#include "lv2.h"
-
-#ifdef __cplusplus
-extern "C" {
-#endif
-
-
-/* ************************************************************************* */
-
-
-/** @file lv2_dyn_manifest.h
- *
- * Revision: 1
- *
- * == Overview ==
- *
- * The LV2 API, on its own, cannot be used to write plugin libraries where
- * data is dynamically generated at runtime (e.g. API wrappers), since LV2
- * requires needed information to be provided in one or more static data (RDF)
- * files. This API adds to the LV2 API and tries to address this limitation.
- *
- * A host implementing support for this API should first detect that the plugin
- * library implements a dynamic manifest generator by examining its static
- * manifest file, then fetch data from the shared object file by accessing it as
- * usual (dlopen() and family) and using this API.
- *
- * The host is allowed to request regeneration of the dynamic manifest multiple
- * times, and the plugin library is expected to provide updated data if/when
- * possible. All data and references provided via this API before the last
- * regeneration of the dynamic manifest is to be considered invalid by the
- * host, including plugin descriptors whose URIs were discovered using this API.
- *
- * Furthermore, this API itself is extensible in a similar fashion as the LV2
- * API and contains very limited error-handling.
- *
- * == Threading rules ==
- *
- * This specification defines threading rule classes, similarly to the LV2
- * specification.
- *
- * The functions defined by this API belong to:
- *
- * - Dynamic manifest open class: lv2_dyn_manifest_open()
- * - Dynamic manifest close class: lv2_dyn_manifest_close()
- * - Dynamic manifest file class: lv2_dyn_manifest_get_subjects(),
- * lv2_dyn_manifest_get_data()
- *
- * The rules that hosts must follow are these:
- *
- * - When a function from the Dynamic manifest open or the Dynamic manifest
- * close class is running, no other functions in the same shared object file
- * may run.
- * - When a function from the Dynamic manifest file class is called, no other
- * functions from the same class may run if they are given at least one
- * FILE * argument with the same value.
- * - A function from the Dynamic manifest open class may not run after a
- * successful call to a function from the same class, in case a function from
- * the Dynamic manifest close class was not successfully called in the
- * meanwhile.
- * - A function from the Dynamic manifest close class may only run after a
- * successful call to a function from the Dynamic manifest open class.
- * - A function from the Dynamic manifest file class may only run beetween a
- * successful call to a function from the Dynamic manifest open class and the
- * following successful call to a function from the Dynamic manifest close
- * class.
- *
- * Extensions to this specification which add new functions MUST declare in
- * which of these classes the functions belong, or define new classes for them;
- * furthermore, classes defined by such extensions MUST only allow calls after
- * a successful call to a function from the Dynamic manifest open class and
- * before the following successful call to a function from the Dynamic manifest
- * close class.
- *
- * Any simultaneous calls that are not explicitly forbidden by these rules are
- * allowed.
- */
-
-
-/* ************************************************************************* */
-
-
-/** Dynamic manifest generator handle.
- *
- * This handle indicates a particular status of a dynamic manifest generator.
- * The host MUST NOT attempt to interpret it and, unlikely LV2_Handle, it is NOT
- * even valid to compare this to NULL. The dynamic manifest generator may use it
- * to reference internal data. */
-typedef void * LV2_Dyn_Manifest_Handle;
-
-
-/* ************************************************************************* */
-
-
-/** Accessing data.
- *
- * Whenever a host wants to access data using this API, it could:
- *
- * 1. Call lv2_dyn_manifest_open();
- * 2. Create an empty resource identified by a FILE *;
- * 3. Get a "list" of exposed subject URIs using
- * lv2_dyn_manifest_get_subjects();
- * 4. Call lv2_dyn_manifest_get_data() for each URI of interest, in order to
- * get data related to that URI (either by calling the function subsequently
- * with the same FILE * resource, or by creating more FILE * resources to
- * perform parallel calls);
- * 5. Call lv2_dyn_manifest_close();
- * 6. Parse the content of the FILE * resource(s).
- * 7. Free/delete/unlink the FILE * resource(s).
- *
- * The content of the FILE * resources has to be interpreted by the host as a
- * regular file in Turtle syntax. This also means that each FILE * resource
- * should also contain needed prefix definitions, in case any are used.
- *
- * Each call to lv2_dyn_manifest_open() automatically implies the (re)generation
- * of the dynamic manifest on the library side.
- *
- * When such calls are made, data fetched from the involved library using this
- * API before such call is to be considered no more valid.
- *
- * In case the library uses this same API to access other dynamic manifests, it
- * MUST implement some mechanism to avoid potentially endless loops (such as A
- * loads B, B loads A, etc.) in functions from the Dynamic manifest open class
- * (the open-like operation MUST fail). For this purpose, use of a static
- * boolean flag is suggested.
- */
-
-/** Function that (re)generates the dynamic manifest.
- *
- * handle is a pointer to an uninitialized dynamic manifest generator handle.
- *
- * features is a NULL terminated array of LV2_Feature structs which
- * represent the features the host supports. The dynamic manifest geenrator may
- * refuse to (re)generate the dynamic manifest if required features are not
- * found here (however hosts SHOULD NOT use this as a discovery mechanism,
- * instead of reading the static manifest file). This array must always exist;
- * if a host has no features, it MUST pass a single element array containing
- * NULL.
- *
- * This function MUST return 0 on success, otherwise a non-zero error code, and
- * the host SHOULD evaluate the result of the operation by examining the
- * returned value, rather than try to interpret the value of handle.
- */
-int lv2_dyn_manifest_open(LV2_Dyn_Manifest_Handle * handle,
- const LV2_Feature *const * features);
-
-/** Function that fetches a "list" of subject URIs exposed by the dynamic
- * manifest generator.
- *
- * handle is the dynamic manifest generator handle.
- *
- * fp is the FILE * identifying the resource the host has to set up for the
- * dynamic manifest generator. The host MUST pass a writable, empty resource to
- * this function, and the dynamic manifest generator MUST ONLY perform write
- * operations on it at the end of the stream (e.g. use only fprintf(), fwrite()
- * and similar).
- *
- * The dynamic manifest generator has to fill the resource only with the needed
- * triples to make the host aware of the "objects" it wants to expose. For
- * example, if the library exposes a regular LV2 plugin, it should output only a
- * triple like the following:
- *
- * <http://www.example.com/plugin/uri> a lv2:Plugin;
- *
- * This function MUST return 0 on success, otherwise a non-zero error code.
- */
-int lv2_dyn_manifest_get_subjects(LV2_Dyn_Manifest_Handle handle,
- FILE * fp);
-
-/** Function that fetches data related to a specific URI.
- *
- * handle is the dynamic manifest generator handle.
- *
- * fp is the FILE * identifying the resource the host has to set up for the
- * dynamic manifest generator. The host MUST pass a writable resource to this
- * function, and the dynamic manifest generator MUST ONLY perform write
- * operations on it at the current position of the stream (e.g. use only
- * fprintf(), fwrite() and similar).
- *
- * uri is the URI to get data about (in the "plain" form, a.k.a. without RDF
- * prefixes).
- *
- * The dynamic manifest generator has to fill the resource with data related to
- * the URI. For example, if the library exposes a regular LV2 plugin whose URI,
- * as retrieved by the host using lv2_dyn_manifest_get_subjects() is
- * http://www.example.com/plugin/uri, it should output something like:
- *
- * <http://www.example.com/plugin/uri> a lv2:Plugin;
- * lv2:binary <mylib.so>;
- * doap:name "My Plugin";
- * ... etc...
- *
- * This function MUST return 0 on success, otherwise a non-zero error code.
- */
-int lv2_dyn_manifest_get_data(LV2_Dyn_Manifest_Handle handle,
- FILE * fp,
- const char * uri);
-
-/** Function that ends the operations on the dynamic manifest generator.
- *
- * handle is the dynamic manifest generator handle.
- *
- * This function should be used by the dynamic manifest generator to perform
- * cleanup operations, etc.
- */
-void lv2_dyn_manifest_close(LV2_Dyn_Manifest_Handle handle);
-
-#ifdef __cplusplus
-}
-#endif
-
-#endif /* LV2_DYN_MANIFEST_H_INCLUDED */
-
diff --git a/src/plugin.c b/src/plugin.c
index c384801..e6718ee 100644
--- a/src/plugin.c
+++ b/src/plugin.c
@@ -222,6 +222,7 @@ slv2_plugin_load(SLV2Plugin p)
}
#ifdef SLV2_DYN_MANIFEST
+ typedef void* LV2_Dyn_Manifest_Handle;
// Load and parse dynamic manifest data, if this is a library
if (p->dynman_uri) {
const char* lib_path = slv2_uri_to_path(slv2_value_as_string(p->dynman_uri));
diff --git a/src/world.c b/src/world.c
index 1844666..35d006f 100644
--- a/src/world.c
+++ b/src/world.c
@@ -207,6 +207,7 @@ slv2_world_load_bundle(SLV2World world, SLV2Value bundle_uri)
manifest_model);
#ifdef SLV2_DYN_MANIFEST
+ typedef void* LV2_Dyn_Manifest_Handle;
LV2_Dyn_Manifest_Handle handle = NULL;
const unsigned char* const query_str = (const unsigned char* const)