mirror of
https://github.com/EGroupware/egroupware.git
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516 lines
16 KiB
PHP
Executable File
516 lines
16 KiB
PHP
Executable File
#!/usr/bin/env php
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<?php
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/**
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* eTemplate2 XML schema
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* 1. we read the legacy etemplate2.dtd converted by PHPStorm (Tools > XML Actions > Convert Schema) to Relax NG with an XML parser
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* 2. remove the obsolete widgets
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* 3. add new widgets from custom-elements.json file generated by our documentation build
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* 4. apply overwrites below
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* 5. output it again as new eTemplate2 Relax NG schema
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* 6. convert it again via PHPStorm (Tools > XML Actions > Convert Schema) to etemplate2.0.dtd referenced in our xet files
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* (until we figure out how to use RELAX NG direct)
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*
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* Open problems:
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* - custom-elements.json has no information about element hierarchy: not all elements are allowed be contained by an arbitrary element
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* - Relax NG can define attribute types, need to check how with match our internal types to the xet attributes
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*
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* @link https://en.wikipedia.org/wiki/RELAX_NG RELAX NG (REgular LAnguage for XML Next Generation)
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* @link https://relaxng.org/tutorial-20011203.html RELAX NG Tutorial
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* @link https://github.com/EGroupware/etemplate/blob/6767672516524444847207d50b21ba59ff7f1540/js/widget_browser.js old widget-browser dtd generation
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* @link https://www.jetbrains.com/help/phpstorm/validating-web-content-files.html JetBrains DTD, XML-Schema or RelaxNG support
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*/
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if (!file_exists($file=__DIR__."/dist/custom-elements.json"))
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{
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die("Missing '$file file!");
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}
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if (!($data=json_decode(file_get_contents($file), true)))
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{
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die("Could not load '$file'!");
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}
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if (!file_exists(($file = __DIR__."/etemplate2/etemplate2.rng")))
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{
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die("Missing file '$file', you need to generate it from 'etemplate2.dtd' e.g. with PHPStorm!");
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}
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$grammar = new SimpleXMLElement(file_get_contents($file));
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$widgets_choice = getByName($grammar, 'Widgets')->choice;
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/**
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* Manually overwriting problems / errors in what we automatically generate
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* Use class-name (e.g. Et2Button) so all descends inherit the fix, use-tag to fix only specific widget.
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* @todo fix in TS sources
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*/
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$overwrites = [
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// RE to remove no longer used legacy widgets not matching "et2-<legacy-name>"
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'.remove' => '/^(button|dropdown_button|int|float|menu|select|taglist|tree|passwd|date|time|ajax_select|vfs-(select|path))/',
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'*' => [ // all widgets
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'.attrs' => [
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'id' => 'string', // commented out with some reasoning in Et2Widget
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//'data' => null, // ToDo: not sure, but AFAIK this is no attribute, but somehow listed in each widget
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'width' => 'string',
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'height' => 'string',
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'span' => 'string', // actually int|"all"
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'slot' => 'string',
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],
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],
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'Et2InputWidget' => [
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'.attrs' => [
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'tabindex' => 'int',
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],
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],
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'Et2Textbox' => [
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'.attrs' => [
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'placeholder' => 'string',
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'maxlength' => 'int',
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],
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],
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'Et2InvokerMixin' => 'Et2TextBox',
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'et2-description' => [
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'.attrs' => [
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'for' => 'string',
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],
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],
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'et2-textarea' => [
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'.attrs' => [
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'maxlength' => 'int',
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'rows' => 'int',
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'resizeRatio' => 'number', // is this correct
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],
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],
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'et2-date' => [
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'.attrs' => [
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'yearRange' => 'string',
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'dataFormat' => 'string',
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],
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],
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'et2-hbox' => [
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'.children' => 'Widgets',
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],
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'et2-vbox' => [
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'.children' => 'Widgets',
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],
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'et2-box' => [
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'.children' => 'Widgets',
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],
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'Et2Box' => [ // inherited by et2-(v|h)box too
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'.attrs' => [
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'overflow' => 'string',
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],
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],
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'et2-tabbox' => [
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'.children' => ['tabs','tabpanels'], // add legacy children tabs and tabpanels
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'.attrs' => [
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'cfDisabled' => 'boolean', // implemented on server-side
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'cfTypeFilter' => 'string',
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'cfPrivateTab' => 'boolean',
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'cfPrepend' => 'string',
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'cfExclude' => 'string',
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],
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],
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'et2-tab' => null, // remove/skip, as we currently use legacy tabs and tabpanels
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'et2-tab-panel' => null,
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'et2-details' => [
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'.children' => 'Widgets',
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],
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'et2-split' => [
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'.children' => 'Widgets',
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],
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'et2-url-email' => [
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'.attrs' => [
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'emailDisplay' => 'string', // can't see that anywhere in the code, but in addressbook.index.xet
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],
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],
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'et2-nextmatch-header-custom' => [
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'.attrs' => [
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'emptyLabel' => 'string',
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],
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],
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'Et2Button' => [
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'.attrs' => [
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'image' => 'string',
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'noSubmit' => 'boolean',
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],
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],
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'Et2Select' => [
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'.attrs' => [
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'rows' => 'int',
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'tabindex' => 'int',
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'allowFreeEntries' => 'boolean',
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],
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],
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'et2-email' => [
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'.attrs' => [
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'onTagClick' => 'function',
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],
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],
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];
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/**
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* Fixes on the existing legacy DTD
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*/
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// make overlay the only allowed start element
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removeNode($grammar->start->choice);
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$grammar->start->addChild('ref')->addAttribute('name', 'overlay');
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// fix legacy widgets: attribute-name => (array of) widgets
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$missing_legacy_attributes = [
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'callback' => 'vfs-upload',
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'statustext' => 'tab',
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'minWidth' => 'column',
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'maxWidth' => 'column',
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'id' => [
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'.optional' => false,
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'nextmatch-header', 'nextmatch-sortheader', 'nextmatch-customfields', 'nextmatch',
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],
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'template' => ['.optional' => false, 'nextmatch'],
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'header_left' => 'nextmatch',
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'header_row' => 'nextmatch',
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'header_right' => 'nextmatch',
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'disabled' => 'nextmatch',
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'onselect' => 'nextmatch',
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'span' => ['nextmatch', 'nextmatch-header', 'nextmatch-customfields', 'nextmatch-sortheader'],
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'class' => ['nextmatch','nextmatch-header', 'nextmatch-customfields', 'nextmatch-sortheader'],
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'label' => [
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'.optional' => false,
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'nextmatch-header', 'nextmatch-sortheader',
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],
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'sortmode' => [
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'.values' => ['ASC', 'DESC'],
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'.default' => 'ASC',
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'nextmatch-sortheader',
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],
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];
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foreach($missing_legacy_attributes as $attribute => $widgets)
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{
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foreach((array)$widgets as $key => $widget)
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{
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if (!is_int($key)) continue; // .(values|default)
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// widget not found add it plus it's attribute-list
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if (!getByName($grammar, $widget))
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{
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$widgets_choice->addChild('ref')->addAttribute('name', $widget);
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($define = $grammar->addChild('define'))->addAttribute('name', $widget);
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($element = $define->addChild('element'))->addAttribute('name', $widget);
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$element->addChild('ref')->addAttribute('name', 'attlist.'.$widget);
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$element->addChild('empty'); // no children allowed
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$grammar->addChild('define')->addAttribute('name', 'attlist.'.$widget);
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}
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// add (optional) attribute
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if (!is_array($widgets) || (!isset($widgets['.optional']) || $widgets['.optional'] === true))
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{
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$attr = getByName($grammar, 'attlist.'.$widget)->addChild('optional')
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->addChild('attribute');
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}
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else
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{
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$attr = getByName($grammar, 'attlist.'.$widget)->addChild('attribute');
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}
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$attr->addAttribute('name', $attribute);
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// add values and/or default
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if (is_array($widgets) && isset($widgets['.values']))
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{
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$choice = $attr->addChild('choice');
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foreach($widgets['.values'] as $value)
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{
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$choice->addChild('value', $value);
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}
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}
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if (is_array($widgets) && isset($widgets['.default']))
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{
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$attr->addAttribute('a:defaultValue', $widgets['.default'], 'http://relaxng.org/ns/compatibility/annotations/1.0');
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}
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}
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}
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// build a hashed version of all classes, members and attributes to e.g. find ancestors
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$classes = [];
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foreach($data['modules'] as $module)
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{
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foreach ($module['declarations'] as $declaration)
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{
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if ($declaration['kind'] === 'class')
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{
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foreach (['members', 'attributes'] as $collection)
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{
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foreach ($declaration[$collection] ?? [] as $key => $element)
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{
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$declaration[$collection][$element['name']] = $element;
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unset($declaration[$collection][$key]);
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}
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}
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$classes[$declaration['name']] = $declaration;
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}
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}
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}
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// iterate of custom-elements to define in the schema
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foreach($data['modules'] as $module)
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{
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foreach($module['exports'] ?? [] as $export)
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{
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// some widgets use: customElements.defines(<tag>, <class> as any, ...) --> use previous export
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if (!empty($export['declaration']['name']) && $export['declaration']['name'] === "anonymous_0")
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{
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$export['declaration']['name'] = $last_export;
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}
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$last_export = $export['name'];
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// ignore / skip none-widgets and some of the widgets e.g. r/o versions
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if ($export['kind'] !== 'custom-element-definition' ||
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preg_match('/_(ro|mobile)$/', $export['name']) ||
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array_key_exists($export['name'], $overwrites) && !isset($overwrites[$export['name']]))
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{
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continue;
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}
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// add the element
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$define = $grammar->addChild('define');
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$define->addAttribute('name', $export['name']);
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$element = $define->addChild('element');
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$element->addAttribute('name', $export['name']);
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$attrs = $element->addChild('ref');
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$attrs->addAttribute('name', 'attlist.'.$export['name']);
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// add to widgets
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$widgets_choice->addChild('ref')->addAttribute('name', $export['name']);
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// add the element-attributes
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$attrs = $grammar->addChild('define');
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$attrs->addAttribute('name', 'attlist.'.$export['name']);
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$attrs->addAttribute('combine', 'interleave');
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if (empty($classes[$export['declaration']['name']]['tagName'])) $classes[$export['declaration']['name']]['tagName'] = $export['name'];
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attributes($classes[$export['declaration']['name']], $attrs);
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// add or disallow children depending on overwrites (not available from the TS sources)
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// ToDo: this ignores the use in slots!
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if (empty($overwrites[$export['name']]['.children']))
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{
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// don't allow children
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$element->addChild('empty');
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}
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else
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{
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$list = $element->addChild('oneOrMore'); // zeroOrMore for e.g. empty boxes?
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// add allowed children
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foreach((array)$overwrites[$export['name']]['.children'] as $child)
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{
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$list->addChild('ref')->addAttribute('name', $child);
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}
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}
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// remove corresponding legacy widget
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removeWidget(str_replace('et2-', '', $export['name']));
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}
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}
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$remove = [];
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foreach($widgets_choice->children() as $widget)
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{
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if (preg_match($overwrites['.remove'], $name=(string)$widget->attributes()['name']))
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{
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$remove[] = $name; // removing direct disturbs the foreach!
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}
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}
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foreach($remove as $name)
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{
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removeWidget($name);
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}
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$dom = new DOMDocument("1.0");
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$dom->preserveWhiteSpace = false;
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$dom->formatOutput = true;
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$dom->loadXML($grammar->asXML());
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if (php_sapi_name() !== "cli")
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{
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header('Content-Type: application/xml; charset=utf-8');
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}
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// add <value>1</value> to legacy widget boolean attributes
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echo preg_replace('#<choice>
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(\s+)<value>true</value>
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(\s+)<value>false</value>
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(\s+)</choice>#', "<choice>\n\$1<value>false</value>\n\$1<value>true</value>\n\$1<value>1</value>\n\$3</choice>",
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// update the header
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preg_replace('#<!--.*-->#s', '<!--
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==========================================================
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EGroupware: eTemplate 2.0 DTD
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AUTHOR: Hadi Nategh <hn[AT]egroupware.org>, Ralf Becker <rb[AT]egroupware.org>
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COPYRIGHT: 2016-2024 by EGroupware GmbH
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LICENSE: https://opensource.org/licenses/gpl-license.php GPL - GNU General Public License Version 2+
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PUBLIC ID: "https://www.egroupware.org/etemplate2.0.dtd"
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Version: 1.2
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==========================================================
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==========================================================
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An example how to use this DTD from your XML document:
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<?xml version="1.0" encoding="UTF-8"?>
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<!DOCTYPE overlay PUBLIC "-//EGroupware GmbH//eTemplate 2//EN" "https://www.egroupware.org/etemplate2.0.dtd">
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<overlay>
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...
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</overlay>
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==========================================================
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-->', $dom->saveXML()));
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/**
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* Remove (legacy-)widget with given name from schema
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*
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* @param string $name
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* @return void
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*/
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function removeWidget(string $name)
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{
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global $grammar, $widgets_choice;
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if (removeByName($widgets_choice, $name))
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{
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removeByName($grammar, $name);
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removeByName($grammar, 'attlist.'.$name);
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}
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}
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function removeByName(SimpleXMLElement $parent, string $name) : bool
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{
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foreach($parent->children() as $child)
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{
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if ((string)$child->attributes()['name'] === $name)
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{
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removeNode($child);
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return true;
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}
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}
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return false;
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}
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function removeNode(SimpleXMLElement $node)
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{
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$dom=dom_import_simplexml($node);
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$dom->parentNode->removeChild($dom);
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}
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function getByName(SimpleXMLElement $parent, string $name) : ?SimpleXMLElement
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{
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foreach($parent as $element)
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{
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if ((string)$element->attributes()['name'] === $name)
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{
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return $element;
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}
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}
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return null;
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}
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/**
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* Overwrite attributes in given element / class
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* @param array& $element
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* @param string|null $name overwrites to use e.g. "*", default use $element['name']
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* @return void
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*/
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function overwriteAttributes(array& $element, string $name=null)
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{
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global $overwrites;
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if (!isset($name)) $name = $element['tagName'];
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// forward just to another widget, class or mixin
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if (isset($overwrites[$name]) && is_string($overwrites[$name]))
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{
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$name = $overwrites[$name];
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}
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if (empty($overwrites[$name]['.attrs']))
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{
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return; // nothing to do
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}
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foreach($overwrites[$name]['.attrs'] as $attr => $type)
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{
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if (isset($type))
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{
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$element['attributes'][$attr] = ['name' => $attr, 'type' => ['text' => $type]];
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}
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else
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{
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unset($element['attributes'][$attr]);
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}
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}
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}
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/**
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* Generate attribute list for an element
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*
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* @param array $class class defining the element
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* @param SimpleXMLElement|null $attrs attribute list element: <define name="attlist.<element>" combine="interleave"/>
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* @return string[]|void
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*/
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function attributes(array $class, ?SimpleXMLElement $attrs=null)
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{
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overwriteAttributes($class, '*');
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overwriteAttributes($class);
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// also apply overwrites of own class, direct parent and mixins
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foreach(getAncestors($class) as $parent)
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{
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if ($parent && !empty($parent['name']) && preg_match('/^Et2/', $parent['name'])) // can also be Lit or Sl*
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{
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overwriteAttributes($class, $parent['name']);
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}
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}
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$attributes = array_filter($class['attributes'] ?? [], static function ($attr)
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{
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return ($attr['name'] ?? null) && $attr['name'][0] !== '_'; // ignore attributes with empty name or name starting with underscore
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});
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if (!isset($attrs))
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{
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return array_map(static function($attr) use ($class)
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{
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return $attr['name'].'('.($attr['type']['text']??'any').
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(isset($attr['fieldName']) && isset($class['members'][$attr['fieldName']]['default']) ?
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':'.$class['members'][$attr['fieldName']]['default'] : '').')';
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}, $attributes);
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}
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foreach($attributes as $attr)
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{
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// todo: are all attributes optional, probably
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$optional = $attrs->addChild('optional');
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$attribute = $optional->addChild('attribute');
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$attribute->addAttribute('name', $attr['name']);
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if (isset($attr['fieldName']) && isset($class['members'][$attr['fieldName']]['default']))
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{
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$default = $class['members'][$attr['fieldName']]['default'];
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if (in_array($default[0], ['"', "'"]) && $default[0] === substr($default, -1))
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{
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$default = substr($default, 1, -1);
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}
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if ($default !== 'undefined') // do NOT add undefined, it's the default anyway
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{
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$attribute->addAttribute('a:defaultValue', $default, 'http://relaxng.org/ns/compatibility/annotations/1.0');
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}
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}
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switch ($attr['type']['text'] ?? 'any')
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{
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case 'boolean':
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$choice = $attribute->addChild('choice');
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$choice->addChild('value', 'false');
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$choice->addChild('value', 'true');
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$choice->addChild('value', '1'); // often used in our templates
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// not understood by DTD :(
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//$choice->addChild('text'); // as we allow "@<attr>" or "$cont[name]"
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break;
|
|
// todo: other types are understood by RELAX NG, but not by DTD
|
|
}
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Get ancestors: superclass(es) and mixins of the current class/element
|
|
*
|
|
* @param array|null $class
|
|
* @return array[] of array with name attribute
|
|
*/
|
|
function getAncestors(?array $class=null)
|
|
{
|
|
if (!isset($class) || empty($class['name']) || !preg_match('/^Et2/', $class['name']))
|
|
{
|
|
return [];
|
|
}
|
|
if (!isset($class['kind']))
|
|
{
|
|
global $classes;
|
|
$class = $classes[$class['name']] ?? null;
|
|
}
|
|
return $class ? array_filter([$class, ...getAncestors($class['superclass']??null), ...$class['mixins']??[]]) : [];
|
|
} |