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* Improve Filter Syntax documentaion / navigation * update links and missing diagrams * rename legacy prefix to shortcut prefix * Update editions/tw5.com/tiddlers/filters/Filter Operators.tid Co-authored-by: yaisog <m@rcuswinter.de> * Update editions/tw5.com/tiddlers/filters/syntax/And Filter Run Prefix.tid Co-authored-by: yaisog <m@rcuswinter.de> * Update editions/tw5.com/tiddlers/filters/syntax/Sort Filter Run Prefix.tid Co-authored-by: yaisog <m@rcuswinter.de> * Update editions/tw5.com/tiddlers/filters/syntax/Sort Filter Run Prefix.tid Co-authored-by: yaisog <m@rcuswinter.de> * Update editions/tw5.com/tiddlers/filters/syntax/Sort Filter Run Prefix.tid Co-authored-by: yaisog <m@rcuswinter.de> * Update editions/tw5.com/tiddlers/filters/syntax/Cascade Filter Run Prefix.tid Co-authored-by: yaisog <m@rcuswinter.de> * Update editions/tw5.com/tiddlers/filters/syntax/And Filter Run Prefix.tid Co-authored-by: yaisog <m@rcuswinter.de> * add most changes a suggested by yaisog * fix copy / paste from-version * replace operand with parameter in the docs * fix typo * fix typos and improve railroad diagrams consistency * move "new from version" info for filter run prefixes below the table * fix typo transclusion and substitution * Move Filters tiddler to the top level in the TOC * wip-breadcrumbs * breadcrumbs & breadcrumbsList macro final * remove files that do not belong to this PR * restore release banner * add simple / story mode to breadcrumbs * .breadcrumbs macro update comments * new breadcrumbs CSS, woks with small screens * make CSS configurable using hidden-settings * improve CSS fro small screens * remove the initial: recursiveParentTag macro * improve location info for breadcrumbs nav. add "alt-text" for Edge ::after element * breadcrumbs add mode=field * bc add initial docs * breadcrumbsField will also respect the story ordering * add configurable global filterMode setting * improve arrow CSS for browser zooming * add bc links use bc-caption if caption field is non-empty * breadcrumbs improve comments * breadcrumbs aria-lable uses caption if there is one * breadcrumbs improve documentation * breadcrumbs improve docs for sort param * fix showArrows docs * remove .bc-link aria-label .. it's not needed if caption is resolved properly * use subfilter instead of enlist to evaluate the "excluded" variable. Be consistent with toc-macros * remove breadcrumbs macros - they have their own PR now * resolve conflict * add back doc-macros tiddler * integrate :then filter run prefix * remove .breadcrumbs macros and their config tiddlers * fix typos as requested --------- Co-authored-by: yaisog <m@rcuswinter.de>
26 lines
1.1 KiB
Plaintext
26 lines
1.1 KiB
Plaintext
created: 20211130114043280
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from-version: 5.2.1
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modified: 20230710073343947
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rp-input: the filter output of all previous runs so far
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rp-output: the input titles as modified by the filters returned by this filter run
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rp-purpose: modify input titles by successively evaluating a list of filters and applying the first result
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tags: [[Named Filter Run Prefix]]
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title: Cascade Filter Run Prefix
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type: text/vnd.tiddlywiki
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<$railroad text="""
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\start none
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\end none
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( ":cascade" | - )
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[[run|"Filter Run"]]
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"""/>
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The [[filter expression|Filter Expression]] for this [[filter run|Filter Run]] is evaluated to return a list of filters. Each input title is then evaluated against each of the filters in turn, and the input title is replaced with the first result of the first filter that returns a non-empty list. If none of the filters return a result for an input title, it is replaced with an empty string.
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The following variables are available within the filter run:
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* <<.var currentTiddler>> - the input title
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* <<.var ..currentTiddler>> - the value of the variable <<.var currentTiddler>> outside the filter run.
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[[Cascade Filter Run Prefix (Examples)]]
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