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@%META:TOPICINFO{author="TWikiContributor" date="1168737391" format="1.1" version="19"}%
%TOC%
%STARTINCLUDE%
#TWikiMetaData
---# TWiki Meta Data
_Additional topic data, program-generated or from TWikiForms, is stored in =META= variable name/value pairs_
---++ Overview
TWikiMetaData uses =META= variables to store topic data that's separate from the main free-form content. This includes program-generated info like FileAttachment and topic movement data, and user-defined TWikiForms info. Use =META= variables to format and display Meta Data.
---++ Meta Data Syntax
* Format is the same as in TWikiVariables, except all fields have a key.
* =%<nop>META:&lt;type&gt;{key1="value1" key2="value2" ...}%=
* Order of fields within the meta variables is not defined, except that if there is a field with key =name=, this appears first for easier searching (note the order of the variables themselves is defined).
* Each meta variable is on one line.
* =\n= (new line) is represented in values by =%<nop>_<nop>N_<nop>= and ="= (double-quotes) by =%<nop>_Q_%=.
<blockquote>
*Example of Format*
<pre>
%<nop>META:TOPICINFO{version="1.6" date="976762663" author="LastEditorWikiName" format="1.0"}%
text of the topic
%<nop>META:TOPICMOVED{from="Codev.OldName" to="Codev.NewName"
by="TopicMoverWikiName" date="976762680"}%
%<nop>META:TOPICPARENT{name="NavigationByTopicContext"}%
%<nop>META:FILEATTACHMENT{name="Sample.txt" version="1.3" ... }%
%<nop>META:FILEATTACHMENT{name="Smile.gif" version="1.1" ... }%
%<nop>META:FORM{name="WebFormTemplate"}%
%<nop>META:FIELD{name="OperatingSystem" value="OsWin"}%
%<nop>META:FIELD{name="TopicClassification" value="PublicFAQ"}%
</pre>
</blockquote>
---++ Meta Data Specifications
The current version of Meta Data is 1.0, with support for the following variables.
---+++ META:TOPICINFO
| *Key* | *Comment* |
| version | Same as RCS version |
| date | integer, unix time, seconds since start 1970 |
| author | last to change topic, is the REMOTE_USER |
| format | Format of this topic, will be used for automatic format conversion |
---+++ META:TOPICMOVED
This is optional, exists if topic has ever been moved. If a topic is moved more than once, only the most recent META:TOPICMOVED meta variable exists in the topic, older ones are to be found in the rcs history.
=%<nop>META:TOPICMOVED{from="Codev.OldName" to="Codev.NewName" by="talintj" date="976762680"}%=
| *Key* | *Comment* |
| from | Full name, i.e., web.topic |
| to | Full name, i.e., web.topic |
| by | Who did it, is the REMOTE_USER, not <nop>WikiName |
| date | integer, unix time, seconds since start 1970 |
Notes:
* at present version number is not supported directly, it can be inferred from the RCS history.
* there is only one META:TOPICMOVED in a topic, older move information can be found in the RCS history.
---+++ META:TOPICPARENT
| *Key* | *Comment* |
| name | The topic from which this was created, typically when clicking on a =?= questionmark link, or by filling out a form. Normally just =TopicName=, but it can be a full =Web.TopicName= format if the parent is in a different Web. |
---+++ META:FILEATTACHMENT
| *Key* | *Comment* |
| name | Name of file, no path. Must be unique within topic |
| version | Same as RCS revision |
| path | Full path file was loaded from |
| size | In bytes |
| date | integer, unix time, seconds since start 1970 |
| user | the REMOTE_USER, not <nop>WikiName |
| comment | As supplied when file uploaded |
| attr | =h= if hidden, optional |
Extra fields that are added if an attachment is moved:
| *Key* | *Comment* |
| movedfrom | full topic name - web.topic |
| movedby | the REMOTE_USER, not <nop>WikiName |
| movedto | full topic name - web.topic |
| moveddate | integer, unix time, seconds since start 1970 |
---+++ META:FORM
| *Key* | *Comment* |
| name | A topic name - the topic represents one of the TWikiForms. Can optionally include the web name (i.e., web.topic), but doesn't normally |
---+++ META:FIELD
Should only be present if there is a META:FORM entry. Note that this data is used when viewing a topic, the form template definition is not read.
| *Key* | *Name* |
| name | Ties to entry in TWikiForms template, is title with all bar alphanumerics and . removed |
| title | Full text from TWikiForms template |
| value | Value user has supplied via form |
---+++ Recommended Sequence
There is no absolute need for Meta Data variables to be listed in a specific order within a topic, but it makes sense to do so a couple of good reasons:
* form fields remain in the order they are defined
* the =diff= function output appears in a logical order
The recommended sequence is:
* =META:TOPICINFO=
* =META:TOPICPARENT= (optional)
* text of topic
* =META:TOPICMOVED= (optional)
* =META:FILEATTACHMENT= (0 or more entries)
* =META:FORM= (optional)
* =META:FIELD= (0 or more entries; FORM required)
---++ Viewing Meta Data in Page Source
When viewing a topic the ==Raw Text== link can be clicked to show the text of a topic (i.e., as seen when editing). This is done by adding <code>raw=on</code> to URL. <code>raw=debug</code> shows the meta data as well as the topic data, ex: <a href="%SCRIPTURLPATH{"view"}%/%WEB%/%TOPIC%?raw=debug">debug view for this topic</a>
#MetaDataRendering
---++ Rendering Meta Data
Meta Data is rendered with the %<nop>META% variable. This is mostly used in the =view=, =preview= and =edit= scripts.
You can render form fields in topic text by using the FORMFIELD variable. Example:%BR%
=%<nop>FORMFIELD{"TopicClassification"}%= %BR%
For details, see VarFORMFIELD.
Current support covers:
| *Variable usage:* | *Comment:* |
| =%<nop>META{"form"}%= | Show form data, see TWikiForms. |
| =%<nop>META{"formfield"}%= | Show form field value. Parameter: ==name="field_name"==. Example:%BR% =%<nop>META{ "formfield" name="TopicClassification" }%= |
| =%<nop>META{"attachments"}%= | Show attachments, except for hidden ones. Options: <br /> \
==all="on"==: Show all attachments, including hidden ones. |
| =%<nop>META{"moved"}%= | Details of any topic moves. |
| =%<nop>META{"parent"}%= | Show topic parent. Options: <br /> \
==dontrecurse="on"==: By default recurses up tree, at some cost. <br /> \
==nowebhome="on"==: Suppress <nop>%HOMETOPIC%. <br /> \
==prefix="..."==: Prefix for parents, only if there are parents, default =""=. <br /> \
==suffix="..."==: Suffix, only appears if there are parents, default =""=. <br /> \
==separator="..."==: Separator between parents, default is =" &gt; "=. |
__Note:__ SEARCH can also be used to render meta data, see examples in FormattedSearch and SearchPatternCookbook.
---++ Known Issues
At present, there is no Meta Data support for Plugins. However, the format is readily extendable and the =Meta.pm= code that supports the format needs only minor alteration.
__Related Topics:__ DeveloperDocumentationCategory, UserDocumentationCategory
-- __Contributors:__ TWiki:Main.JohnTalintyre, TWiki:Main.MikeMannix, TWiki:Main.PeterThoeny, TWiki:Main.CrawfordCurrie
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%META:TOPICINFO{author="TWikiContributor" date="1111929255" format="1.0" version="18"}%
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<blockquote style="background-color:#f0f0f0">
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| name | The topic from which this was created, %HOMETOPIC% if done from =Go=, othewise topic where =?= or form used. Normally just topic, but is full web.topic format if parent is in a different Web. Renaming a Web will then only break a few of these references or they can be scanned and fixed. |
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%META:TOPICINFO{author="TWikiContributor" date="1111929255" format="1.0" version="17"}%
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* Format is the same as in TWikiVariables, except all fields have a key.
* =%<nop>META:&lt;type&gt;{key1="value1" key2="value2" ...}%=
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* Order of fields within the meta variables is not defined, except that if there is a field with key =name=, this appears first for easier searching (note the order of the variables themselves is defined).
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* Each meta variable is on one line.
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* =\n= (new line) is represented in values by =%<nop>_<nop>N_<nop>= and ="= (double-quotes) by =%<nop>_Q_%=.
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text of the topic
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by="TopicMoverWikiName" date="976762680"}%
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| *Key* | *Comment* |
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| date | integer, unix time, seconds since start 1970 |
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| *Key* | *Comment* |
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| to | Full name, i.e., web.topic |
| by | Who did it, is the REMOTE_USER, not <nop>WikiName |
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* at present version number is not supported directly, it can be inferred from the RCS history.
* there is only one META:TOPICMOVED in a topic, older move information can be found in the RCS history.
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| *Key* | *Comment* |
| name | The topic from which this was created, %HOMETOPIC% if done from =Go=, othewise topic where =?= or form used. Normally just topic, but is full web.topic format if parent is in a different Web. Renaming a Web will then only break a few of these references or they can be scanned and fixed. |
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| *Key* | *Comment* |
| name | Name of file, no path. Must be unique within topic |
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| path | Full path file was loaded from |
| size | In bytes |
| date | integer, unix time, seconds since start 1970 |
| user | the REMOTE_USER, not <nop>WikiName |
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| attr | =h= if hidden, optional |
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| *Key* | *Comment* |
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| movedby | the REMOTE_USER, not <nop>WikiName |
| movedto | full topic name - web.topic |
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| *Key* | *Comment* |
| name | A topic name - the topic represents one of the TWikiForms. Can optionally include the web name (i.e., web.topic), but doesn't normally |
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| *Key* | *Name* |
| name | Ties to entry in TWikiForms template, is title with all bar alphanumerics and . removed |
| title | Full text from TWikiForms template |
| value | Value user has supplied via form |
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* form fields remain in the order they are defined
* the =diff= function output appears in a logical order
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* =META:TOPICINFO=
* =META:TOPICPARENT= (optional)
* text of topic
* =META:TOPICMOVED= (optional)
* =META:FILEATTACHMENT= (0 or more entries)
* =META:FORM= (optional)
* =META:FIELD= (0 or more entries; FORM required)
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For details, see TWikiVariables#VarFORMFIELD.
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| *Variable usage:* | *Comment:* |
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==all="on"==: Show all attachments, including hidden ones. |
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==dontrecurse="on"==: By default recurses up tree, at some cost. <br /> \
==nowebhome="on"==: Suppress <nop>%HOMETOPIC%. <br /> \
==prefix="..."==: Prefix for parents, only if there are parents, default =""=. <br /> \
==suffix="..."==: Suffix, only appears if there are parents, default =""=. <br /> \
==separator="..."==: Separator between parents, default is =" &gt; "=. |
@
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@d1 1
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%META:TOPICINFO{author="PeterThoeny" date="1092563687" format="1.0" version="1.16"}%
%META:TOPICPARENT{name="WebHome"}%
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#MetaDataDefinition
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%<nop>META:TOPICINFO{version="1.6" date="976762663" author="PeterThoeny" format="1.0"}%
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by="JohnTalintyre" date="976762680"}%
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When viewing a topic the ==Raw Text== link can be clicked to show the text of a topic (i.e., as seen when editing). This is done by adding <code>raw=on</code> to URL. <code>raw=debug</code> shows the meta data as well as the topic data, ex: <a href="%SCRIPTURLPATH%/view%SCRIPTSUFFIX%/%WEB%/%TOPIC%?raw=debug">debug view for this topic</a>
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__Note:__ Rendering meta data is currently not supported in topic text. As a workaround, use FormattedSearch on the current topic only to render form fields.
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| =%<nop>META{"attachments"}%= | Show attachments, except for hidden ones. Options: <br > \
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-- TWiki:Main.JohnTalintyre - 29 Aug 2001 %BR%
-- TWiki:Main.MikeMannix - 03 Dec 2001 %BR%
-- TWiki:Main.PeterThoeny - 15 Aug 2004
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%META:TOPICINFO{author="PeterThoeny" date="1074997449" format="1.0" version="1.15"}%
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%TOC%
%STARTINCLUDE%
#MetaDataDefinition
---# TWiki Meta Data
_Additional topic data, program-generated or from TWikiForms, is stored in =META= variable name/value pairs_
---++ Overview
TWikiMetaData uses =META= variables to store topic data that's separate from the main free-form content. This includes program-generated info like FileAttachment and topic movement data, and user-defined TWikiForms info. Use =META= variables to format and display Meta Data.
---++ Meta Data Syntax
* Format is the same as in TWikiVariables, except all fields have a key.
* =%<nop>META:&lt;type&gt;{key1="value1" key2="value2" ...}%=
* Order of fields within the meta variables is not defined, except that if there is a field with key =name=, this appears first for easier searching (note the order of the variables themselves is defined).
* Each meta variable is on one line.
* =\n= (new line) is represented in values by =%<nop>_<nop>N_<nop>= and ="= (double-quotes) by =%<nop>_Q_%=.
<blockquote style="background-color:#f0f0f0">
*Example of Format*
<pre>
%<nop>META:TOPICINFO{version="1.6" date="976762663" author="PeterThoeny" format="1.0"}%
text of the topic
%<nop>META:TOPICMOVED{from="Codev.OldName" to="Codev.NewName"
by="JohnTalintyre" date="976762680"}%
%<nop>META:TOPICPARENT{name="NavigationByTopicContext"}%
%<nop>META:FILEATTACHMENT{name="Sample.txt" version="1.3" ... }%
%<nop>META:FILEATTACHMENT{name="Smile.gif" version="1.1" ... }%
%<nop>META:FORM{name="WebFormTemplate"}%
%<nop>META:FIELD{name="OperatingSystem" value="OsWin"}%
%<nop>META:FIELD{name="TopicClassification" value="PublicFAQ"}%
</pre>
</blockquote>
---++ Meta Data Specifications
The current version of Meta Data is 1.0, with support for the following variables.
---+++ META:TOPICINFO
| *Key* | *Comment* |
| version | Same as RCS version |
| date | integer, unix time, seconds since start 1970 |
| author | last to change topic, is the REMOTE_USER |
| format | Format of this topic, will be used for automatic format conversion |
---+++ META:TOPICMOVED
This is optional, exists if topic has ever been moved. If a topic is moved more than once, only the most recent META:TOPICMOVED meta variable exists in the topic, older ones are to be found in the rcs history.
=%<nop>META:TOPICMOVED{from="Codev.OldName" to="Codev.NewName" by="talintj" date="976762680"}%=
| *Key* | *Comment* |
| from | Full name, i.e., web.topic |
| to | Full name, i.e., web.topic |
| by | Who did it, is the REMOTE_USER, not <nop>WikiName |
| date | integer, unix time, seconds since start 1970 |
Notes:
* at present version number is not supported directly, it can be inferred from the RCS history.
* there is only one META:TOPICMOVED in a topic, older move information can be found in the RCS history.
---+++ META:TOPICPARENT
| *Key* | *Comment* |
| name | The topic from which this was created, %HOMETOPIC% if done from =Go=, othewise topic where =?= or form used. Normally just topic, but is full web.topic format if parent is in a different Web. Renaming a Web will then only break a few of these references or they can be scanned and fixed. |
---+++ META:FILEATTACHMENT
| *Key* | *Comment* |
| name | Name of file, no path. Must be unique within topic |
| version | Same as RCS revision |
| path | Full path file was loaded from |
| size | In bytes |
| date | integer, unix time, seconds since start 1970 |
| user | the REMOTE_USER, not <nop>WikiName |
| comment | As supplied when file uploaded |
| attr | =h= if hidden, optional |
Extra fields that are added if an attachment is moved:
| *Key* | *Comment* |
| movedfrom | full topic name - web.topic |
| movedby | the REMOTE_USER, not <nop>WikiName |
| movedto | full topic name - web.topic |
| moveddate | integer, unix time, seconds since start 1970 |
---+++ META:FORM
| *Key* | *Comment* |
| name | A topic name - the topic represents one of the TWikiForms. Can optionally include the web name (i.e., web.topic), but doesn't normally |
---+++ META:FIELD
Should only be present if there is a META:FORM entry. Note that this data is used when viewing a topic, the form template definition is not read.
| *Key* | *Name* |
| name | Ties to entry in TWikiForms template, is title with all bar alphanumerics and . removed |
| title | Full text from TWikiForms template |
| value | Value user has supplied via form |
---+++ Recommended Sequence
There is no absolute need for Meta Data variables to be listed in a specific order within a topic, but it makes sense to do so a couple of good reasons:
* form fields remain in the order they are defined
* the =diff= function output appears in a logical order
The recommended sequence is:
* META:TOPICINFO
* =text of topic=
* META:TOPICMOVED (optional)
* META:TOPICPARENT (optional)
* META:FILEATTACHMENT (0 or more entries)
* META:FORM (optional)
* META:FIELD (0 or more entries; FORM required)
---++ Viewing Meta Data in Page Source
When viewing a topic the ==Raw Text== link can be clicked to show the text of a topic (i.e., as seen when editing). This is done by adding <code>raw=on</code> to URL. <code>raw=debug</code> shows the meta data as well as the topic data, ex: <a href="%SCRIPTURLPATH%/view%SCRIPTSUFFIX%/%WEB%/%TOPIC%?raw=debug">debug view for this topic</a>
#MetaDataRendering
---++ Rendering Meta Data
Meta Data is rendered with the %<nop>META% variable. This is mostly used in the =view=, =preview= and =edit= scripts.
__Note:__ Rendering meta data is currently not supported in topic text. As a workaround, use FormattedSearch on the current topic only to render form fields.
Current support covers:
| *Variable usage:* | *Comment:* |
| =%<nop>META{"form"}%= | Show form data, see TWikiForms. |
| =%<nop>META{"formfield"}%= | Show form field value. Parameter: ==name="field_name"==. Example:%BR% =%<nop>META{ "formfield" name="TopicClassification" }%= |
| =%<nop>META{"attachments"}%= | Show attachments, except for hidden ones. Options: <br > \
==all="on"==: Show all attachments, including hidden ones. |
| =%<nop>META{"moved"}%= | Details of any topic moves. |
| =%<nop>META{"parent"}%= | Show topic parent. Options: <br /> \
==dontrecurse="on"==: By default recurses up tree, at some cost. <br /> \
==nowebhome="on"==: Suppress <nop>%HOMETOPIC%. <br /> \
==prefix="..."==: Prefix for parents, only if there are parents, default =""=. <br /> \
==suffix="..."==: Suffix, only appears if there are parents, default =""=. <br /> \
==separator="..."==: Separator between parents, default is =" &gt; "=. |
---++ Known Issues
At present, there is no Meta Data support for Plugins. However, the format is readily extendable and the =Meta.pm= code that supports the format needs only minor alteration.
-- TWiki:Main.JohnTalintyre - 29 Aug 2001 <br />
-- TWiki:Main.MikeMannix - 03 Dec 2001 <br />
-- TWiki:Main.PeterThoeny - 10 Jan 2002
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| date | integer, unx time, seconds since start 1970 |
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| date | integer, unx time, seconds since start 1970 |
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| date | integer, unx time, seconds since start 1970 |
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| moveddate | integer, unx time, seconds since start 1970 |
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-- JohnTalintyre - 29 Aug 2001 <br />
-- MikeMannix - 03 Dec 2001 <br />
-- Main.PeterThoeny - 10 Jan 2002
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| name | The topic from which this was created, WebHome if done from =Go=, othewise topic where =?= or form used. Normally just topic, but is full web.topic format if parent is in a different Web. Renaming a Web will then only break a few of these references or they can be scanned and fixed. |
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| version | Same as RCS version |
| date | integer, unx time, seconds since start 1970 |
| author | last to change topic, is the REMOTE_USER |
| format | Format of this topic, will be used for automatic format conversion |
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| from | Full name i.e. web.topic |
| to | Full name i.e. web.topic |
| by | Who did it, is the REMOTE_USER, not <nop>WikiName |
| date | integer, unx time, seconds since start 1970 |
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| name | The topic from which this was created, WebHome if done from =Go=, othewise topic where =?= or form used. Normally just topic, but is full web.topic format if parent is in a different Web. Renaming a Web will then only break a few of these references or they can be scanned and fixed. |
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| name | Name of file, no path. Must be unique within topic |
| version | Same as RCS revision |
| path | Full path file was loaded from |
| size | In bytes |
| date | integer, unx time, seconds since start 1970 |
| user | the REMOTE_USER, not <nop>WikiName |
| comment | As supplied when file uploaded |
| attr | =h= if hidden, optional |
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| movedfrom | full topic name - web.topic |
| movedby | the REMOTE_USER, not <nop>WikiName |
| movedto | full topic name - web.topic |
| moveddate | integer, unx time, seconds since start 1970 |
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| name | A topic name - the topic represents one of the TWikiForms. Can optionally include the web name i.e. web.topic, but doesn't normally |
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| *Key* | *Name* |
| name | Ties to entry in TWikiForms template, is title with all bar alphanumerics and . removed |
| title | Full text from TWikiForms template |
| value | Value user has supplied via form |
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When viewing a topic the ==Raw Text== link can be clicked to show the text of a topic (ie: as seen when editing). This is done by adding <code>raw=on</code> to URL. <code>raw=debug</code> shows the meta data as well as the topic data, ex: <a href="%SCRIPTURLPATH%/view%SCRIPTSUFFIX%/%WEB%/%TOPIC%?raw=debug">debug view for this topic</a>
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| *Variable usage:* | *Comment:* |
| =%<nop>META{"form"}%= | Show form data, see TWikiForms. |
| =%<nop>META{"attachments"}%= | Show attachments, except for hidden ones. Options: <br > \
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| =%<nop>META{"moved"}%= | Details of any topic moves. |
| =%<nop>META{"parent"}%= | Show topic parent. Options: <br /> \
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-- Main.PeterThoeny - 10 Jan 2002
@
1.9
log
@none
@
text
@d1 1
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%META:TOPICINFO{author="MikeMannix" date="1007383980" format="1.0" version="1.9"}%
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| %<nop>META{"form"}% | Show form data, see TWikiForms |
| %<nop>META{"attachments"}% | Show attachments, exclude hidden |
| Options for [[FileAttachments][Attachments]]: | |
| all="on" | Show ALL attachments (including hidden) |
| %<nop>META{"moved"}% | Details of any topic moves |
| %<nop>META{"parent [options]"}% | Show topic parent |
| Options for parent: | |
| dontrecurse="on" | By default recurses up tree, at some cost |
| prefix="..." | Prefix for parents, only if there are parents; default "" |
| suffix="..." | Suffix, only appears if there are parents; default "" |
| separator="..." | Separator between parents, default is " > " |
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-- MikeMannix - 03 Dec 2001
@
1.8
log
@none
@
text
@d1 1
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%META:TOPICINFO{author="MikeMannix" date="1002008290" format="1.0" version="1.8"}%
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---# Appendix B: TWiki Meta Data
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_Additional topic data, not editable from main freeform text box, stored in =META= variable name/value pairs_
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<nop>TWikiMetaData uses =META= variables to store topic data that's separate from the main free-form content. This includes program-generated info like FileAttachment data, and user-defined TWikiForms info.
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-- MikeMannix - 02 Oct 2001 <br />
@
1.7
log
@none
@
text
@d1 1
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%META:TOPICINFO{author="MikeMannix" date="1000619828" format="1.0" version="1.7"}%
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---# TWiki Meta Data
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-- JohnTalintyre - 29 Aug 2001 <br />
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1.6
log
@none
@
text
@d1 1
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%META:TOPICINFO{author="PeterThoeny" date="1000458670" format="1.0" version="1.6"}%
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_Topic data not editable from main freeform text box, stored in name/value =META= variable pairs_
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-- JohnTalintyre - 29 Aug 2001 <br />
@
1.5
log
@none
@
text
@d1 1
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%META:TOPICINFO{author="MikeMannix" date="1000277787" format="1.0" version="1.5"}%
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%INCLUDE{"UtilTempDocNote"}%
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<nop>TWikiMetaData uses =META= variables to store topic data that's separate from the main free-form content. This includes program-generated info like FileAttachment data, and user-defined [[TWikiDocumentation#TWiki_Form_Templates][Form Template]] info.
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* Format is the same as in [[TWikiDocumentation#TWiki_Variables][TWikiVariables]], except all fields have a key.
* %<nop>META:&lt;type&gt;{key1="value1" [key2="value2" [...]]}%
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<verbatim>
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%<nop>META:TOPICMOVED{from="Codev.OldName" to="CoDev.NewName"
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</verbatim>
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---+++ Specifications
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---++++ TOPICINFO
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| *Key* | *Comment* |
| version | Same as RCS version |
| date | integer, unx time, seconds since start 1970 |
| author | last to change topic, is the REMOTE_USER |
| format | Format of this topic, will be used for automatic format conversion |
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---++++ TOPICMOVED
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This is optional, exists if topic has ever been moved. If a topic is moved more than once, only the most recent TOPICMOVED meta variable exists in the topic, older ones are to be found in the rcs history.
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%<nop>META:TOPICMOVED{from="Codev.OldName" to="CoDev.NewName" by="talintj" date="976762680"}%
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| *Key* | *Comment* |
| from | Full name i.e. web.topic |
| to | Full name i.e. web.topic |
| by | Who did it, is the REMOTE_USER, not <nop>WikiName |
| date | integer, unx time, seconds since start 1970 |
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---++++ TOPICPARENT
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| *Key* | *Comment* |
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---++++ FILEATTACHMENT
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| *Key* | *Comment* |
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---++++ FORM
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| *Key* | *Comment* |
| name | A topic name - the topic is a [[TWikiDocumentation#Form_Template][Form Template]]. Can optionally include the web name i.e. web.topic, but doesn't normally |
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---++++ FIELD
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Should only be present if there is a FORM entry. Note that this data is used when viewing a topic, the form template definition is not read.
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| name | Ties to entry in [[TWikiDocumentation#Form_Template][Form Template]], is title with all bar alphanumerics and . removed |
| title | Full text from [[TWikiDocumentation#Form_Template][Form Template]] |
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* TOPICINFO
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* TOPICMOVED (optional)
* TOPICPARENT (optional)
* FILEATTACHMENT (0 or more entries)
* FORM (optional)
* FIELD (0 or more entries; FORM required)
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| %<nop>META{"form"}% | Show form data, see [[TWikiDocumentation#Form_Templates][Form Templates]] |
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| seperator="..." | Separator between parents, default is " > " |
* *Future Development:* There are numerous development directions and specific features to consider. A couple of obvious possibilities:
* Rendering to formats other than tables: bullet lists, formatted body text;
* Specifying templates to be used for rendering.
@
1.4
log
@none
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text
@d1 1
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%META:TOPICINFO{author="MikeMannix" date="999959425" format="1.0" version="1.4"}%
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@
1.3
log
@none
@
text
@d1 1
a1 1
%META:TOPICINFO{author="MikeMannix" date="999868902" format="1.0" version="1.3"}%
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There no absolute need for meta data variables to be in a specific order, however, it does for the following reasons:
* Keep (form) fields in the order they are defined
* Allow diff command to give output in a logically sensible order
These could be done in other ways, but this adds complexity
* Order fields - definition could be read on each rendering (expensive)
* Diff - render data before doing diff, has something to offer, but not likely to be available for next TWiki release
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So the order is:
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* text of topic
* TOPICMOVED - optional
* TOPICPARENT - optional
* FILEATTACHMENT - 0 or more entries
* FORM - optional
* FIELD - 0 or more entries (FORM required)
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Meta Data is rendered with the %<nop>META% variable. This is mostly used in the ==view==, ==preview== and ==edit== scripts.
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Current support is fairly basic:
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| Options for attachments: | |
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There is currently no support for meta data for Plugins. However, the format is readily extendable and the =Meta.pm= code that supports the format needs only minor alteration.
@
1.2
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@none
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text
@d1 1
a1 1
%META:TOPICINFO{author="MikeMannix" date="999204627" format="1.0" version="1.2"}%
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%INCLUDE{"%TWIKIWEB%.MetaDataDefinition"}%
@
1.1
log
@none
@
text
@d1 1
a1 1
%META:TOPICINFO{author="MikeMannix" date="999188491" format="1.0" version="1.1"}%
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---# TWiki Meta Data
@