diff options
Diffstat (limited to 'ns/ext/urid')
l--------- | ns/ext/urid/ext.pc.in | 1 | ||||
-rw-r--r-- | ns/ext/urid/manifest.ttl | 9 | ||||
-rw-r--r-- | ns/ext/urid/urid.h | 113 | ||||
-rw-r--r-- | ns/ext/urid/urid.ttl | 67 | ||||
l--------- | ns/ext/urid/waf | 1 | ||||
l--------- | ns/ext/urid/wscript | 1 |
6 files changed, 192 insertions, 0 deletions
diff --git a/ns/ext/urid/ext.pc.in b/ns/ext/urid/ext.pc.in new file mode 120000 index 0000000..1cdad2a --- /dev/null +++ b/ns/ext/urid/ext.pc.in @@ -0,0 +1 @@ +../../../ext.pc.in
\ No newline at end of file diff --git a/ns/ext/urid/manifest.ttl b/ns/ext/urid/manifest.ttl new file mode 100644 index 0000000..c77aff6 --- /dev/null +++ b/ns/ext/urid/manifest.ttl @@ -0,0 +1,9 @@ +@prefix lv2: <http://lv2plug.in/ns/lv2core#> . +@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . +@prefix urid: <http://lv2plug.in/ns/ext/urid#> . + +<http://lv2plug.in/ns/ext/urid> + a lv2:Specification ; + lv2:minorVersion 0 ; + lv2:microVersion 2 ; + rdfs:seeAlso <urid.ttl> . diff --git a/ns/ext/urid/urid.h b/ns/ext/urid/urid.h new file mode 100644 index 0000000..d36d0dd --- /dev/null +++ b/ns/ext/urid/urid.h @@ -0,0 +1,113 @@ +/* + Copyright 2011 Gabriel M. Beddingfield <gabrbedd@gmail.com> + Copyright 2008-2011 David Robillard <http://drobilla.net> + + Permission to use, copy, modify, and/or distribute this software for any + purpose with or without fee is hereby granted, provided that the above + copyright notice and this permission notice appear in all copies. + + THIS SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES + WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF + MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR + ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES + WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN + ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF + OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. +*/ + +/** + @file + C header for the LV2 URID extension <http://lv2plug.in/ns/ext/urid> +*/ + +#ifndef LV2_URID_H +#define LV2_URID_H + +#define LV2_URID_URI "http://lv2plug.in/ns/ext/urid" + +#include <stdint.h> + +/** + Opaque pointer to host data for LV2_URID_Map. +*/ +typedef void* LV2_URID_Map_Handle; + +/** + Opaque pointer to host data for LV2_URID_Unmap. +*/ +typedef void* LV2_URID_Unmap_Handle; + +/** + URI mapped to an integer. +*/ +typedef uint32_t LV2_URID; + +/** + URI Map (http://lv2plug.in/ns/ext/urid#map). +*/ +typedef struct { + /** + Opaque pointer to host data. + + This MUST be passed to map_uri() whenever it is called. + Otherwise, it must not be interpreted in any way. + */ + LV2_URID_Map_Handle handle; + + /** + Get the numeric ID of a URI. + + If the ID does not already exist, it will be created. + + This function is referentially transparent; any number of calls with the + same arguments is guaranteed to return the same value over the life of a + plugin instance. Note, however, that several URIs MAY resolve to the + same ID if the host considers those URIs equivalent. + + This function is not necessarily very fast or RT-safe: plugins SHOULD + cache any IDs they might need in performance critical situations. + + The return value 0 is reserved and indicates that an ID for that URI + could not be created for whatever reason. However, hosts SHOULD NOT + return 0 from this function in non-exceptional circumstances (i.e. the + URI map SHOULD be dynamic). + + @param handle Must be the callback_data member of this struct. + @param uri The URI to be mapped to an integer ID. + */ + LV2_URID (*map)(LV2_URID_Map_Handle handle, + const char* uri); +} LV2_URID_Map; + +/** + URI Unmap (http://lv2plug.in/ns/ext/urid#unmap). +*/ +typedef struct { + /** + Opaque pointer to host data. + + This MUST be passed to unmap() whenever it is called. + Otherwise, it must not be interpreted in any way. + */ + LV2_URID_Unmap_Handle handle; + + /** + Get the URI for a previously mapped numeric ID. + + Returns NULL if @c urid is not yet mapped. Otherwise, the corresponding + URI is returned in a canonical form. This MAY not be the exact same + string that was originally passed to LV2_URID_Map::map(), but it MUST be + an identical URI according to the URI syntax specification (RFC3986). A + non-NULL return for a given @c urid will always be the same for the life + of the plugin. Plugins that intend to perform string comparison on + unmapped URIs SHOULD first canonicalise URI strings with a call to + map_uri() followed by a call to unmap_uri(). + + @param handle Must be the callback_data member of this struct. + @param urid The ID to be mapped back to the URI string. + */ + const char* (*unmap)(LV2_URID_Unmap_Handle handle, + LV2_URID urid); +} LV2_URID_Unmap; + +#endif /* LV2_URID_H */ diff --git a/ns/ext/urid/urid.ttl b/ns/ext/urid/urid.ttl new file mode 100644 index 0000000..a87b368 --- /dev/null +++ b/ns/ext/urid/urid.ttl @@ -0,0 +1,67 @@ +# LV2 URID Extension +# Copyright 2011 Gabriel M. Beddingfield <gabrbedd@gmail.com> +# Copyright 2008-2011 David Robillard <http://drobilla.net> +# +# Permission to use, copy, modify, and/or distribute this software for any +# purpose with or without fee is hereby granted, provided that the above +# copyright notice and this permission notice appear in all copies. +# +# THIS SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES +# WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF +# MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR +# ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES +# WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN +# ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF +# OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + +@prefix doap: <http://usefulinc.com/ns/doap#> . +@prefix foaf: <http://xmlns.com/foaf/0.1/> . +@prefix lv2: <http://lv2plug.in/ns/lv2core#> . +@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . +@prefix urid: <http://lv2plug.in/ns/ext/urid#> . + +<http://lv2plug.in/ns/ext/urid> + a lv2:Specification ; + doap:license <http://opensource.org/licenses/isc-license> ; + doap:name "LV2 URID" ; + doap:shortdesc "Features for mapping URIs to and from integers." ; + doap:release [ + doap:revision "0.2" ; + doap:created "2011-01-04" + ] ; + doap:developer [ + a foaf:Person ; + foaf:name "Gabriel M. Beddingfield" ; + foaf:homepage <http://gabe.is-a-geek.org/> + ] ; + lv2:documentation """ +<p>This extension defines a simple mechanism for plugins to map URIs to and +from integers, usually for performance reasons (e.g. processing events typed by +URIs in real time). Typically, plugins map URIs to integers for things they +"understand" at instantiation time, and store those values for use in the audio +thread without doing any string comparison. This allows for the extensibility +of RDF but with the performance of integers.</p> + +<p>This extension is intended as an improved and simpler replacement for the <a +href="http://lv2plug.in/ns/ext/uri-map">uri-map</a> extension, since the +<q>map</q> context parameter has been found problematic.</p> +""" . + +urid:map + a lv2:Feature ; + lv2:documentation """ +<p>A feature which is used to map URIs to integers. To support this feature, +the host must pass an LV2_Feature to LV2_Descriptor::instantiate() with +<em>URI</em> <q>http://lv2plug.in/ns/ext/urid#map</q> and <em>data</em> pointed +to an instance of LV2_URID_Map.</p> +""" . + +urid:unmap + a lv2:Feature ; + lv2:documentation """ +<p>A feature which is used to unmap URIs previously mapped to integers by +urid:map. To support this feature, the host must pass an LV2_Feature to +LV2_Descriptor::instantiate() with <em>URI</em> +<q>http://lv2plug.in/ns/ext/urid#unmap</q> and <em>data</em> pointed to an +instance of LV2_URID_Unmap.</p> +""" . diff --git a/ns/ext/urid/waf b/ns/ext/urid/waf new file mode 120000 index 0000000..917d5c5 --- /dev/null +++ b/ns/ext/urid/waf @@ -0,0 +1 @@ +../../../waf
\ No newline at end of file diff --git a/ns/ext/urid/wscript b/ns/ext/urid/wscript new file mode 120000 index 0000000..cf8cbae --- /dev/null +++ b/ns/ext/urid/wscript @@ -0,0 +1 @@ +../../../ext.wscript
\ No newline at end of file |