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author | David Robillard <d@drobilla.net> | 2011-11-23 07:25:51 +0000 |
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committer | David Robillard <d@drobilla.net> | 2011-11-23 07:25:51 +0000 |
commit | 73137d533a3e853aa13064cb76d040bcab16dceb (patch) | |
tree | bb4829e547175c7a4d431a297882a7c6f70c299e /lv2/ns/ext/files/files.ttl | |
parent | 820519668b7c211bf66b538c5fbc7c74986f931d (diff) | |
download | lv2-73137d533a3e853aa13064cb76d040bcab16dceb.tar.xz |
Merge files extension into state extension.
Diffstat (limited to 'lv2/ns/ext/files/files.ttl')
-rw-r--r-- | lv2/ns/ext/files/files.ttl | 115 |
1 files changed, 0 insertions, 115 deletions
diff --git a/lv2/ns/ext/files/files.ttl b/lv2/ns/ext/files/files.ttl deleted file mode 100644 index fc32c9a..0000000 --- a/lv2/ns/ext/files/files.ttl +++ /dev/null @@ -1,115 +0,0 @@ -# LV2 Files Extension -# Copyright 2010-2011 David Robillard <d@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 atom: <http://lv2plug.in/ns/ext/atom#> . -@prefix doap: <http://usefulinc.com/ns/doap#> . -@prefix files: <http://lv2plug.in/ns/ext/files#> . -@prefix foaf: <http://xmlns.com/foaf/0.1/> . -@prefix lv2: <http://lv2plug.in/ns/lv2core#> . -@prefix rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#> . -@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . -@prefix xsd: <http://www.w3.org/2001/XMLSchema#> . - -<http://lv2plug.in/ns/ext/files> - a lv2:Specification ; - doap:name "LV2 Files" ; - doap:shortdesc "A standard for referring to files in plugin state." ; - doap:license <http://opensource.org/licenses/isc> ; - doap:release [ - doap:revision "0.2" ; - doap:created "2011-04-05" - ] ; - doap:maintainer [ - a foaf:Person ; - foaf:name "David Robillard" ; - foaf:homepage <http://drobilla.net/> ; - rdfs:seeAlso <http://drobilla.net/drobilla.rdf> - ] ; - lv2:documentation """ -<p>This extension provides a mechanism for plugins to portably refer to files -in persistent plugin state (using the <a -href="http://lv2plug.in/ns/ext/state">LV2 State</a> extension), and create -instance-local files in host-defined locations (e.g. for recording).</p> - -<p>The motivating idea behind this extension is that all details of file -management MUST be handled by the host since different hosts may have very -different requirements. Plugins MUST NOT make any assumption about file system -locations beyond what is explicitly guaranteed by this extension.</p> - -<p>This extension defines two features: files:newFileSupport allows plugins to -create new files within an instance-specific namespace at any time (except in -realtime contexts); while files:pathSupport allows plugins to refer to file -paths in plugin state in a way transparent to the host.</p> - -<p>To create a new file, the plugin MUST request a path from the host using -LV2_Files_New_File_Support::new_file_path(). Thus, the host may choose an -appropriate location for the file (e.g. a writable path on the appropriate disk -volume or a path within a session directory) using information not available to -the plugin.</p> - -<p>To store a path in persistent state, the plugin MUST map it to an -<q>abstract path</q> using LV2_Files_Path_Support::abstract_path(). To use a -path loaded from persistent state, the plugin MUST map the (abstract) path to -an absolute path using LV2_Files_Path_Support::absolute_path(). Thus, the host -can manage all paths used in a session and support exporting sessions to a -portable self-contained format for archival or distribution.</p> """ . - -files:pathSupport a lv2:Feature ; - rdfs:label "Support for storing file paths in plugin state" ; - lv2:documentation """ -<p>This feature allows plugins to refer to pre-existing or newly created files -in persistent plugin state in a portable way. To support this feature a host -MUST pass a LV2_Files_Path_Support structure to the plugin's -LV2_Descriptor::instantiate() method as an LV2_Feature with LV2_Feature::URI = -LV2_FILES_PATH_SUPPORT_URI and LV2_Feature::data pointed to an instance of -LV2_Files_Path_Support.</p> - -<p>Plugins MUST use the functions provided by this feature to handle -<em>all</em> paths saved to, or restored from, persistent plugin state; -otherwise broken and/or non-portable state will silently be created resulting -in a broken user experience.</p> -""" . - -files:newFileSupport a lv2:Feature ; - rdfs:label "Support for creating new files" ; - lv2:documentation """ -<p>This feature allows plugins to create new files local to that plugin -instance. To support this feature a host MUST pass a -LV2_Files_New_File_Support structure to the plugin's -LV2_Descriptor::instantiate() method as an LV2_Feature with LV2_Feature::URI = -LV2_FILES_NEW_FILE_SUPPORT_URI and LV2_Feature::data pointed to an instance of -LV2_Files_New_File_Support.</p> -""" . - -files:AbstractPath a rdfs:Class ; - rdfs:label "File Path" ; - lv2:documentation """ -<p>An abstract path to a file in persistent plugin state.</p> - -<p>The format of a files:AbstractPath is a C string escaped or otherwise -restricted in a system-specific manner. This URI, -<q>http://lv2plug.in/ns/ext/files#AbstractPath</q>, mapped to an integer, -should be used as the <code>type</code> parameter to a -LV2_Persist_Store_Function; and will likewise be returned by the corresponding -call to a LV2_Persist_Retrieve_Function.</p> - -<p>Abstract paths reside in a namespace specific to a plugin instance. -Typical hosts are expected to implement this by giving each plugin instance its -own state directory.</p> - -<p>When storing and retrieving an abstract path, the plugin MUST NOT assume the -same path will be restored. However, the restored path will refer to a file -with equivalent contents to the original.</p> -""" . |