diff options
author | David Robillard <d@drobilla.net> | 2011-11-21 01:36:00 +0000 |
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committer | David Robillard <d@drobilla.net> | 2011-11-21 01:36:00 +0000 |
commit | eb43c8896480114b224755e824fae2e2f7485256 (patch) | |
tree | 26e91bd8dc6421d2296a33991e90f7dcb546b079 /lv2/ns/ext/uri-map | |
parent | df79255ccef7fb5d091e9d4e52f3c46545b53282 (diff) | |
download | lv2-eb43c8896480114b224755e824fae2e2f7485256.tar.xz |
Move ns to lv2/ns so repository top level can be used as an include dir directly.
Diffstat (limited to 'lv2/ns/ext/uri-map')
l--------- | lv2/ns/ext/uri-map/ext.pc.in | 1 | ||||
-rw-r--r-- | lv2/ns/ext/uri-map/manifest.ttl | 8 | ||||
-rw-r--r-- | lv2/ns/ext/uri-map/uri-map.h | 92 | ||||
-rw-r--r-- | lv2/ns/ext/uri-map/uri-map.ttl | 57 | ||||
l--------- | lv2/ns/ext/uri-map/waf | 1 | ||||
l--------- | lv2/ns/ext/uri-map/wscript | 1 |
6 files changed, 160 insertions, 0 deletions
diff --git a/lv2/ns/ext/uri-map/ext.pc.in b/lv2/ns/ext/uri-map/ext.pc.in new file mode 120000 index 0000000..82b50df --- /dev/null +++ b/lv2/ns/ext/uri-map/ext.pc.in @@ -0,0 +1 @@ +../../../../ext.pc.in
\ No newline at end of file diff --git a/lv2/ns/ext/uri-map/manifest.ttl b/lv2/ns/ext/uri-map/manifest.ttl new file mode 100644 index 0000000..eb78686 --- /dev/null +++ b/lv2/ns/ext/uri-map/manifest.ttl @@ -0,0 +1,8 @@ +@prefix lv2: <http://lv2plug.in/ns/lv2core#> . +@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . + +<http://lv2plug.in/ns/ext/uri-map> + a lv2:Specification ; + lv2:minorVersion 1 ; + lv2:microVersion 2 ; + rdfs:seeAlso <uri-map.ttl> . diff --git a/lv2/ns/ext/uri-map/uri-map.h b/lv2/ns/ext/uri-map/uri-map.h new file mode 100644 index 0000000..6767cd1 --- /dev/null +++ b/lv2/ns/ext/uri-map/uri-map.h @@ -0,0 +1,92 @@ +/* + 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 URI Map extension <http://lv2plug.in/ns/ext/uri-map>. + + This extension defines a simple mechanism for plugins to map URIs to + integers, usually for performance reasons (e.g. processing events typed by + URIs in real time). The expected use case is for plugins to 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 the extensibility of RDF with the performance of integers (or + centrally defined enumerations). +*/ + +#ifndef LV2_URI_MAP_H +#define LV2_URI_MAP_H + +#define LV2_URI_MAP_URI "http://lv2plug.in/ns/ext/uri-map" + +#include <stdint.h> + +/** + Opaque pointer to host data. +*/ +typedef void* LV2_URI_Map_Callback_Data; + +/** + URI Map Feature. + + To support this feature the host must pass an LV2_Feature struct to the + plugin's instantiate method with URI "http://lv2plug.in/ns/ext/uri-map" + and data pointed to an instance of this struct. +*/ +typedef struct { + + /** + Opaque pointer to host data. + + The plugin MUST pass this to any call to functions in this struct. + Otherwise, it must not be interpreted in any way. + */ + LV2_URI_Map_Callback_Data callback_data; + + /** + Get the numeric ID of a URI from the host. + + @param callback_data Must be the callback_data member of this struct. + @param map The 'context' of this URI. Certain extensions may define a + URI that must be passed here with certain restrictions on the return + value (e.g. limited range). This value may be NULL if the plugin needs + an ID for a URI in general. Extensions SHOULD NOT define a context + unless there is a specific need to do so, e.g. to restrict the range of + the returned value. + @param uri The URI to be mapped to an integer ID. + + 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 (though the same URI may return different values with a + different map parameter). However, this function is not necessarily very + fast: 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. Extensions MAY define more + precisely what this means in a certain context, but in general plugins + SHOULD handle this situation as gracefully as possible. However, hosts + SHOULD NOT return 0 from this function in non-exceptional circumstances + (e.g. the URI map SHOULD be dynamic). Hosts that statically support only + a fixed set of URIs should not expect plugins to function correctly. + */ + uint32_t (*uri_to_id)(LV2_URI_Map_Callback_Data callback_data, + const char* map, + const char* uri); + +} LV2_URI_Map_Feature; + +#endif /* LV2_URI_MAP_H */ diff --git a/lv2/ns/ext/uri-map/uri-map.ttl b/lv2/ns/ext/uri-map/uri-map.ttl new file mode 100644 index 0000000..b0a5399 --- /dev/null +++ b/lv2/ns/ext/uri-map/uri-map.ttl @@ -0,0 +1,57 @@ +# LV2 URI Map Extension +# 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 lv2ev: <http://lv2plug.in/ns/ext/event#> . +@prefix owl: <http://www.w3.org/2002/07/owl#> . +@prefix rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#> . +@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . +@prefix umap: <http://lv2plug.in/ns/ext/uri-map#> . + +<http://lv2plug.in/ns/ext/uri-map> + a lv2:Specification , + lv2:Feature ; + owl:deprecated true ; + doap:license <http://opensource.org/licenses/isc-license> ; + doap:name "LV2 URI Map" ; + doap:shortdesc "A feature for mapping URIs to integers." ; + doap:release [ + doap:revision "1.2" ; + doap:created "2011-05-26" + ] ; + doap:maintainer [ + a foaf:Person ; + foaf:name "David Robillard" ; + foaf:homepage <http://drobilla.net/> ; + rdfs:seeAlso <http://drobilla.net/drobilla.xrdf> + ] , [ + a foaf:Person ; + foaf:name "Lars Luthman" + ] ; + lv2:documentation """ +<p><span class="warning">This extension is deprecated.</span> New +implementations should use <a href="http://lv2plug.in/ns/ext/urid">LV2 URID</a> +instead.</p> + +<p>This extension defines a simple mechanism for plugins to map URIs to +integers, usually for performance reasons (e.g. processing events typed by URIs +in real time). The expected use case is for plugins to 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 the +extensibility of RDF with the performance of integers (or centrally defined +enumerations).</p> +""" . diff --git a/lv2/ns/ext/uri-map/waf b/lv2/ns/ext/uri-map/waf new file mode 120000 index 0000000..b955110 --- /dev/null +++ b/lv2/ns/ext/uri-map/waf @@ -0,0 +1 @@ +../../../../waf
\ No newline at end of file diff --git a/lv2/ns/ext/uri-map/wscript b/lv2/ns/ext/uri-map/wscript new file mode 120000 index 0000000..ec20a77 --- /dev/null +++ b/lv2/ns/ext/uri-map/wscript @@ -0,0 +1 @@ +../../../../ext.wscript
\ No newline at end of file |