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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>
61 lines
3.6 KiB
Plaintext
61 lines
3.6 KiB
Plaintext
breadcrumbs: [[Filter Step]]
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created: 20140410103123179
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modified: 20230410114132501
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tags: Filters
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title: Filter Operators
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type: text/vnd.tiddlywiki
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\define .operator-rows(filter)
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<$list filter="$filter$"><tr>
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<td><$link>{{!!caption}}</$link></td>
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<td>{{!!op-purpose}}</td>
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<td align="center"><$list filter="[all[current]tag[Common Operators]]">✓</$list></td>
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<td align="center"><$list filter="[all[current]tag[Negatable Operators]]">`!`</$list></td>
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<td align="center"><$list filter="[all[current]tag[Selection Constructors]!tag[Selection Constructors: Conditional]]">`C`</$list><$list filter="[all[current]tag[Selection Constructors]tag[Selection Constructors: Conditional]]">`C?`</$list></td>
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</tr></$list>
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\end
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\define .group-heading(_)
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<tr class="doc-table-subheading"><th colspan="5" align="center">$_$</th></tr>
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\end
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A <<.def "filter operator">> is a predefined keyword attached to an individual step of a [[filter|Filters]]. It defines the particular action of that step.
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''Important:'' In general, each first [[filter step|Filter Step]] of a [[filter run|Filter Run]] not given any input titles receives the output of <$link to="all Operator">[all[tiddlers]]</$link> as its input.
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''Table legend:''
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|tc-table-no-border tc-first-col-min-width|k
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|^ ✓|^... |,Used to mark the most common ones |
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|^ `!`|^... |,The column indicates whether an operator allows ''negation'' using the <$link to="Filter Step"><code>!</code> prefix</$link>.<br>For specifics as to each operator's negated output please refer to its documentation |
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|^ `C`|^... |,Most steps process the [[selection of titles|Title Selection]] that are supplied as their input, but a few [[construct an entirely new selection|Selection Constructors]] instead, as indicated by the last column.<br>A `C?` indicates it might construct a new selection, depending on usage. For specifics as to each operator's selection creation please refer to its documentation |
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The following table lists all core operators:
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<table>
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<tr>
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<th align="left">Operator</th>
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<th align="left">Purpose</th>
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<th align="center">✓</th>
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<th align="center">`!`</th>
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<th align="center">`C`</th>
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</tr>
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<<.operator-rows "[tag[Filter Operators]!tag[Order Operators]!tag[Mathematics Operators]!tag[String Operators]!tag[Tag Operators]!tag[Special Operators]sort[]]">>
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<<.group-heading "Order Operators">>
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<<.operator-rows "[tag[Filter Operators]tag[Order Operators]!tag[Listops Operators]!tag[Mathematics Operators]!tag[String Operators]!tag[Tag Operators]!tag[Special Operators]sort[]]">>
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<<.group-heading "Listops Operators">>
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<<.operator-rows "[tag[Filter Operators]tag[Listops Operators]tag[Order Operators]!tag[Mathematics Operators]!tag[String Operators]!tag[Tag Operators]!tag[Special Operators]sort[]]">>
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<<.group-heading "String Operators">>
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<<.operator-rows "[tag[Filter Operators]!tag[Order Operators]tag[String Operators]!tag[Tag Operators]!tag[Special Operators]sort[]]">>
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<<.group-heading "Mathematics Operators">>
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<<.operator-rows "[tag[Filter Operators]!tag[Order Operators]tag[Mathematics Operators]!tag[Tag Operators]!tag[Special Operators]sort[]]">>
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<<.group-heading "Tag Operators">>
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<<.operator-rows "[tag[Filter Operators]!tag[Order Operators]!tag[Mathematics Operators]!tag[String Operators]tag[Tag Operators]!tag[Special Operators]sort[]]">>
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<<.group-heading "Special Operators">>
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<<.operator-rows "[tag[Filter Operators]!tag[Order Operators]!tag[Mathematics Operators]!tag[String Operators]!tag[Tag Operators]tag[Special Operators]sort[]]">>
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</table>
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A typical step is written as `[operator[parameter]]`, although not all of the operators need a [[parameter|Filter Parameter]].
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For the exact rules, see [[Filter Syntax]]. |