348 lines
10 KiB
Plaintext
348 lines
10 KiB
Plaintext
head 1.2;
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access;
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symbols;
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locks; strict;
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comment @# @;
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1.2
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date 2007.01.16.04.11.57; author TWikiContributor; state Exp;
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branches;
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next 1.1;
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1.1
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date 2006.02.01.12.01.25; author TWikiContributor; state Exp;
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branches;
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next ;
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desc
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@new-topic
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@
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1.2
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log
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@buildrelease
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@
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text
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@---+ Package =TWiki::Render=
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This module provides most of the actual HTML rendering code in TWiki.
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%TOC%
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---++ ClassMethod *new* <tt>($session)</tt>
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Creates a new renderer with initial state from preference values
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(NEWTOPICBGCOLOR, NEWTOPICFONTCOLOR NEWTOPICLINKSYMBOL
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LINKTOOLTIPINFO)
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---++ ObjectMethod *renderParent* <tt>($web,$topic,$meta,$params) -> $text</tt>
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Render parent meta-data
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---++ ObjectMethod *renderMoved* <tt>($web,$topic,$meta,$params) -> $text</tt>
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Render moved meta-data
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---++ ObjectMethod *renderFormField* <tt>($web,$topic,$meta,$params) -> $text</tt>
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Render meta-data for a single formfield
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---++ ObjectMethod *makeAnchorName* <tt>($anchorName,$compatibilityMode) -> $anchorName</tt>
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* =$anchorName= -
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* =$compatibilityMode= -
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Build a valid HTML anchor name
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---++ ObjectMethod *internalLink* <tt>($theWeb,$theTopic,$theLinkText,$theAnchor,$doLink,$doKeepWeb) -> $html</tt>
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Generate a link.
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Note: Topic names may be spaced out. Spaced out names are converted to <nop>WikWords,
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for example, "spaced topic name" points to "SpacedTopicName".
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* =$theWeb= - the web containing the topic
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* =$theTopic= - the topic to be lunk
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* =$theLinkText= - text to use for the link
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* =$theAnchor= - the link anchor, if any
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* =$doLinkToMissingPages= - boolean: false means suppress link for non-existing pages
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* =$doKeepWeb= - boolean: true to keep web prefix (for non existing Web.TOPIC)
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Called by _handleWikiWord and _handleSquareBracketedLink and by Func::internalLink
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Calls _renderWikiWord, which in turn will use Plurals.pm to match fold plurals to equivalency with their singular form
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SMELL: why is this available to Func?
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---++ ObjectMethod *renderFORMFIELD* <tt>(%params,$topic,$web) -> $html</tt>
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Returns the fully rendered expansion of a %FORMFIELD{}% tag.
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---++ ObjectMethod *getRenderedVersion* <tt>($text,$theWeb,$theTopic) -> $html</tt>
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The main rendering function.
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---++ StaticMethod *verbatimCallBack* <tt></tt>
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Callback for use with putBackBlocks that replaces < and >
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by their HTML entities &lt; and &gt;
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---++ ObjectMethod *TML2PlainText* <tt>($text,$web,$topic,$opts) -> $plainText</tt>
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Clean up TWiki text for display as plain text without pushing it
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through the full rendering pipeline. Intended for generation of
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topic and change summaries. Adds nop tags to prevent TWiki
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subsequent rendering; nops get removed at the very end.
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Defuses TML.
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$opts:
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* showvar - shows !%VAR% names if not expanded
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* expandvar - expands !%VARS%
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* nohead - strips ---+ headings at the top of the text
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* showmeta - does not filter meta-data
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---++ ObjectMethod *protectPlainText* <tt>($text) -> $tml</tt>
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Protect plain text from expansions that would normally be done
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duing rendering, such as wikiwords. Topic summaries, for example,
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have to be protected this way.
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---++ ObjectMethod *makeTopicSummary* <tt>($theText,$theTopic,$theWeb,$theFlags) -> $tml</tt>
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Makes a plain text summary of the given topic by simply trimming a bit
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off the top. Truncates to $TMTRUNC chars or, if a number is specified in $theFlags,
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to that length.
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---++ ObjectMethod *takeOutProtected* <tt>(\$text,$re,\%map) -> $text</tt>
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* =$text= - Text to process
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* =$re= - Regular expression that matches tag expressions to remove
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* =\%map= - Reference to a hash to contain the removed blocks
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Return value: $text with blocks removed
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used to extract from $text comment type tags like <!DOCTYPE blah>
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WARNING: if you want to take out <!-- comments --> you _will_ need to re-write all the takeOuts
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to use a different placeholder
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---++ ObjectMethod *putBackProtected* <tt>(\$text,\%map,$tag,$newtag,$callBack) -> $text</tt>
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Return value: $text with blocks added back
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* =\$text= - reference to text to process
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* =\%map= - map placeholders to blocks removed by takeOutBlocks
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Reverses the actions of takeOutProtected.
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---++ ObjectMethod *takeOutBlocks* <tt>(\$text,$tag,\%map) -> $text</tt>
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* =$text= - Text to process
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* =$tag= - XHTML-style tag.
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* =\%map= - Reference to a hash to contain the removed blocks
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Return value: $text with blocks removed
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Searches through $text and extracts blocks delimited by a tag, appending each
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onto the end of the @@buffer and replacing with a token
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string which is not affected by TWiki rendering. The text after these
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substitutions is returned.
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Parameters to the open tag are recorded.
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This is _different_ to takeOutProtected, because it requires tags
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to be on their own line. it also supports a callback for post-
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processing the data before re-insertion.
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---++ ObjectMethod *putBackBlocks* <tt>(\$text,\%map,$tag,$newtag,$callBack) -> $text</tt>
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Return value: $text with blocks added back
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* =\$text= - reference to text to process
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* =\%map= - map placeholders to blocks removed by takeOutBlocks
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* =$tag= - Tag name processed by takeOutBlocks
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* =$newtag= - Tag name to use in output, in place of $tag. If undefined, uses $tag.
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* =$callback= - Reference to function to call on each block being inserted (optional)
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Reverses the actions of takeOutBlocks.
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Each replaced block is processed by the callback (if there is one) before
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re-insertion.
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Parameters to the outermost cut block are replaced into the open tag,
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even if that tag is changed. This allows things like
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<verbatim class=''>
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to be mapped to
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<pre class=''>
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Cool, eh what? Jolly good show.
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And if you set $newtag to '', we replace the taken out block with the valuse itself
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* which i'm using to stop the rendering process, but then at the end put in the html directly
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(for <literal> tag.
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---++ ObjectMethod *renderRevisionInfo* <tt>($web,$topic,$meta,$rev,$format) -> $string</tt>
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Obtain and render revision info for a topic.
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* =$web= - the web of the topic
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* =$topic= - the topic
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* =$meta= if specified, get rev info from here. If not specified, or meta contains rev info for a different version than the one requested, will reload the topic
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* =$rev= - the rev number, defaults to latest rev
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* =$format= - the render format, defaults to =$rev - $time - $wikiusername=
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=$format= can contain the following keys for expansion:
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| =$web= | the web name |
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| =$topic= | the topic name |
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| =$rev= | the rev number |
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| =$comment= | the comment |
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| =$username= | the login of the saving user |
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| =$wikiname= | the wikiname of the saving user |
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| =$wikiusername= | the web.wikiname of the saving user |
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| =$date= | the date of the rev (no time) |
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| =$time= | the time of the rev |
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| =$min=, =$sec=, etc. | Same date format qualifiers as GMTIME |
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---++ ObjectMethod *summariseChanges* <tt>($user,$web,$topic,$orev,$nrev,$tml) -> $text</tt>
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* =$user= - user (null to ignore permissions)
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* =$web= - web
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* =$topic= - topic
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* =$orev= - older rev
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* =$nrev= - later rev
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* =$tml= - if true will generate renderable TML (i.e. HTML with NOPs. if false will generate a summary suitable for use in plain text (mail, for example)
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Generate a (max 3 line) summary of the differences between the revs.
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If there is only one rev, a topic summary will be returned.
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If =$tml= is not set, all HTML will be removed.
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In non-tml, lines are truncated to 70 characters. Differences are shown using + and - to indicate added and removed text.
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---++ ObjectMethod *forEachLine* <tt>($text,\&fn,\%options) -> $newText</tt>
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Iterate over each line, calling =\&fn= on each.
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\%options may contain:
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* =pre= => true, will call fn for each line in pre blocks
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* =verbatim= => true, will call fn for each line in verbatim blocks
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* =noautolink= => true, will call fn for each line in =noautolink= blocks
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The spec of \&fn is sub fn( \$line, \%options ) -> $newLine; the %options hash passed into this function is passed down to the sub, and the keys =in_pre=, =in_verbatim= and =in_noautolink= are set boolean TRUE if the line is from one (or more) of those block types.
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The return result replaces $line in $newText.
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---++ StaticMethod *replaceTopicReferences* <tt>($text,\%options) -> $text</tt>
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Callback designed for use with forEachLine, to replace topic references.
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\%options contains:
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* =oldWeb= => Web of reference to replace
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* =oldTopic= => Topic of reference to replace
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* =spacedTopic= => RE matching spaced out oldTopic
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* =newWeb= => Web of new reference
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* =newTopic= => Topic of new reference
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* =inWeb= => the web which the text we are presently processing resides in
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* =fullPaths= => optional, if set forces all links to full web.topic form
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For a usage example see TWiki::UI::Manage.pm
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---++ StaticMethod *replaceWebReferences* <tt>($text,\%options) -> $text</tt>
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Callback designed for use with forEachLine, to replace web references.
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\%options contains:
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* =oldWeb= => Web of reference to replace
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* =newWeb= => Web of new reference
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For a usage example see TWiki::UI::Manage.pm
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---++ ObjectMethod *replaceWebInternalReferences* <tt>(\$text,\%meta,$oldWeb,$oldTopic)</tt>
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Change within-web wikiwords in $$text and $meta to full web.topic syntax.
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\%options must include topics => list of topics that must have references
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to them changed to include the web specifier.
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---++ StaticMethod *renderFormFieldArg* <tt>($meta,$args) -> $text</tt>
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Parse the arguments to a $formfield specification and extract
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the relevant formfield from the given meta data.
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---++ StaticMethod *breakName* <tt>($text,$args) -> $text</tt>
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* =$text= - text to "break"
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* =$args= - string of format (\d+)([,\s*]\.\.\.)?)
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Hyphenates $text every $1 characters, or if $2 is "..." then shortens to
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$1 characters and appends "..." (making the final string $1+3 characters
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long)
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_Moved from Search.pm because it was obviously unhappy there,
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as it is a rendering function_
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@
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1.1
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log
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@buildrelease
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@
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text
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@d17 1
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d23 1
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d29 1
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d47 2
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a48 2
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SMELL: why can topic be spaced out? is this to support auto squishing of [[Spaced Topic Naming]]?
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and [[lowercase Spaced Topic Naming]]
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a201 2
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| =$date= | the date of the rev (no time) |
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| =$time= | the full date and time of the rev |
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d206 3
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d213 1
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d244 1
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d259 1
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d285 1
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@
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