Difference between revisions of "INX extension descriptor format"

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== Introduction ==
This page previously contained information on the *.inx file format. The information is now found at [https://inkscape.gitlab.io/extensions/documentation/authors/inx-overview.html the extensions documentation].
 
In order for Inkscape to make use of an external script or program, you must describe that script to inkscape using an INX file. See the inkscape share directory for examples. The INX file allows the author to:
* label strings for translation
* define parameters
* chain extensions
* etc
Be sure to read through the INX files that come with Inkscape. Nothing beats a working example.
 
== Localisation of extensions ==
 
To allow localisation of strings in extension for Inkscape, some xml tags have to be adapted to variant readable by intltool. It means that tags or parameters has to have "_" prepended to their name, e.g. <tt><_name>name of extension</_name></tt>
 
Also the path to the extension has to be included in POTFILES.in file to tell intltool where to look for translatable content.
 
Useful information, before this section gets fully updated, can be found at [http://gould.cx/ted/blog/Translating_Custom_XML Ted's blog].
 
== Example ==
More example INX files are available in the Inkscape distribution or in the Inkscape [http://bazaar.launchpad.net/~inkscape.dev/inkscape/trunk/files/head%3A/share/extensions/ BZR repository].
 
<small><code><pre>
<?xml version="1.0" encoding="UTF-8"?>
<inkscape-extension xmlns="http://www.inkscape.org/namespace/inkscape/extension">
  <_name>{Friendly Extension Name}</_name>
  <id>{org.domain.sub-domain.extension-name}</id>
  <dependency type="executable" location="[extensions|path|plugins|{location}]">program.ext</dependency>
  <param name="tab" type="notebook"> 
    <page name="controls" _gui-text="Controls">
      <param name="{argumentName}" type="[int|float|string|boolean|description]" min="{number}" max="{number}"
        _gui-text="{Friendly Argument Name}">{default value}</param>
    </page>
    <page name="help" _gui-text="Help">
      <param name="help_text" type="description">{Friendly Extension Help}</param>
    </page>
  </param>
  <effect>
    <object-type>[all|{element type}]</object-type>
      <effects-menu>
        <submenu _name="{Extension Group Name}"/>
      </effects-menu>
  </effect>
  <script>
    <command reldir="extensions" interpreter="[python|perl|ruby|bash|{some other}]">program.ext</command>
  </script>
</inkscape-extension>
</pre></code></small>
 
== DTD ==
<small><code><pre>
<!ELEMENT inkscape-extension (name, id, dependency*, param*,(input|output|effect),(script|plugin))>
<!ELEMENT input (extension, mimetype, filetype, filetypetooltip, output_extension?)>
<!ELEMENT output (extension, mimetype, filetype, filetypetooltip, dataloss?)>
<!ELEMENT effect (object-type|submenu?)>
<!ELEMENT script (command, helper_extension*, check*)>
<!ELEMENT plugin (name)>
<!ELEMENT name (#PCDATA)>
<!ELEMENT id (#PCDATA)>
<!ELEMENT item (#PCDATA)>
<!ELEMENT option (#PCDATA)>
<!ELEMENT dependency (#PCDATA)>
<!ELEMENT param (#PCDATA|page|item|option)*>
<!ELEMENT page (#PCDATA, param*)>
<!ELEMENT extension (#PCDATA)>
<!ELEMENT mimetype (#PCDATA)>
<!ELEMENT filetype (#PCDATA)>
<!ELEMENT filetooltip (#PCDATA)>
<!ELEMENT object-type (#PCDATA)>
<!ELEMENT command (#PCDATA)>
<!ELEMENT check (#PCDATA)>
<!ELEMENT dataloss (#PCDATA)>
<!ELEMENT helper_extension (#PCDATA)>
<!ELEMENT output_extension (#PCDATA)>
<!ATTLIST check reldir (absolute|path|extensions|plugins) #REQUIRED>
<!ATTLIST command reldir (absolute|path|extensions|plugins) #REQUIRED>
<!ATTLIST command interpreter CDATA #REQUIRED>
<!ATTLIST dependency type (executable|extension) #REQUIRED>
<!ATTLIST dependency location (absolute|path|extensions|plugins) #IMPLIED>
<!ATTLIST dependency description CDATA #IMPLIED>
<!ATTLIST effect needs-live-preview (true|false) #REQUIRED>
<!ATTLIST page name CDATA #REQUIRED>
<!ATTLIST page gui-text CDATA #IMPLIED>
<!ATTLIST param name CDATA #REQUIRED>
<!ATTLIST param type (int|float|string|boolean|enum|notebook|description|optiongroup|color) #REQUIRED>
<!ATTLIST param min CDATA #IMPLIED>
<!ATTLIST param max CDATA #IMPLIED>
<!ATTLIST param max_length CDATA #IMPLIED>
<!ATTLIST param precision CDATA #IMPLIED>
<!ATTLIST param gui-text CDATA #IMPLIED>
<!ATTLIST param gui-tip CDATA #IMPLIED>
<!ATTLIST param gui-description CDATA #IMPLIED>
<!ATTLIST param scope CDATA #IMPLIED>
<!ATTLIST param gui-hidden CDATA #IMPLIED>
<!ATTLIST param appearance (minimal|) "">
<!ATTLIST submenu name CDATA #REQUIRED>
</pre></code></small>
 
 
 
== RELAX NG XML schema ==
The XML schema for ING files is available in the [http://bazaar.launchpad.net/~inkscape.dev/inkscape/trunk/annotate/head%3A/share/extensions/inkscape.extension.rng Inkscape BZR repository]. This is a [http://www.relaxng.org/ RELAX NG schema].
 
A compactly formatted version of the schema (created on 2 November 2010 using [http://www.thaiopensource.com/relaxng/trang.html Trang]):
<small><code><pre>
default namespace =
  "http://www.inkscape.org/namespace/inkscape/extension"
 
start =
  element inkscape-extension {
    element _name { text },
    element id { text },
    element dependency {
      attribute type { inx.dependency-type.values },
      attribute location { inx.location.values }?,
      attribute _description { text }?,
      text
    }*,
    (inx.parameters
    | element param {
        attribute name { text },
        attribute type { "notebook" },
        element page {
          attribute name { text },
          attribute _gui-text { text },
          inx.parameters+
        }+
      })*,
    (element input {
      inx.io.common,
      element output_extension { text }?
    }
    | element output {
        inx.io.common,
        element dataloss { xsd:boolean }?
      }
    | element effect {
        attribute needs-document { xsd:boolean }?,
        attribute needs-live-preview { xsd:boolean }?,
        element object-type {
          xsd:token "all" | xsd:token "path" | xsd:token "rect"
        },
        element effects-menu {
          attribute hidden { xsd:boolean "true" }
          | element submenu {
              attribute _name { text },
              empty
            }
        }
      }
    | element path-effect { empty }
    | element print { empty }),
    (element script {
      element command {
        inx.reldir.attr,
        attribute interpreter { "python" | "perl" }?,
        text
      },
      element helper_extension { xsd:NMTOKEN }?,
      element check { inx.reldir.attr, text }*
    }
    | element xslt {
        element file { inx.reldir.attr, text }
      }
    | element plugin {
        element name { text }
      })
  }
inx.reldir.attr = attribute reldir { inx.location.values }
inx.location.values = "extensions" | "path" | "plugins"
inx.dependency-type.values = "extension" | "executable" | "plugin"
inx.io.common =
  element extension { text },
  element mimetype { text },
  element _filetypename { text }?,
  element _filetypetooltip { text }?
inx.parameter =
  attribute name { xsd:token },
  attribute gui-hidden { xsd:boolean }?,
  attribute _gui-text { text }?,
  ((attribute type { "int" },
    attribute min { xsd:integer }?,
    attribute max { xsd:integer }?,
    (empty | xsd:integer))
  | (attribute type { "float" },
      attribute precision { xsd:integer }?,
      attribute min { xsd:float }?,
      attribute max { xsd:float }?,
      xsd:float)
  | (attribute type { "boolean" },
      xsd:boolean)
  | (attribute type { "string" },
      attribute max_length { xsd:integer }?,
      (empty | text))
  | (attribute type { "description" },
      text)
  | (attribute type { "enum" },
      (element _item { inx.parameter.enum.item }
      | element item { inx.parameter.enum.item })+)
  | (attribute type { "optiongroup" },
      attribute appearance { "minimal" }?,
      (element option { inx.parameter.optiongroup.option }
      | element _option { inx.parameter.optiongroup.option })+))
inx.parameters =
  element param { inx.parameter }
  | element _param { inx.parameter }
inx.parameter.enum.item =
  attribute value { text },
  xsd:token
inx.parameter.optiongroup.option =
  attribute value { text }?,
  text
</pre></code></small>
 
== See Also ==
*[[INX Parameters]]
*[[ScriptingHOWTO]]
 
[[Category:Developer Documentation]]
[[Category:Developer Documentation]]
[[Category:Help Wanted]]
[[Category:Help Wanted]]
[[Category:Extensions]]
[[Category:Extensions]]

Latest revision as of 20:12, 10 March 2022

This page previously contained information on the *.inx file format. The information is now found at the extensions documentation.

Retrieved from "https://wiki.inkscape.org/wiki/index.php?title=INX_extension_descriptor_format&oldid=120972"