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<?php |
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namespace Spatie\BladeX; |
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class BladeXCompiler |
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{ |
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/** @var \Spatie\BladeX\BladeX */ |
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protected $bladeX; |
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public function __construct(BladeX $bladeX) |
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{ |
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return $this->bladeX = $bladeX; |
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} |
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public function compile(string $viewContents): string |
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{ |
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return array_reduce( |
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$this->bladeX->getRegisteredComponents(), |
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[$this, 'parseComponentHtml'], |
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$viewContents |
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); |
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} |
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protected function parseComponentHtml(string $viewContents, BladeXComponent $bladeXComponent) |
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{ |
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$viewContents = $this->parseSlots($viewContents); |
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$viewContents = $this->parseSelfClosingTags($viewContents, $bladeXComponent); |
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$viewContents = $this->parseOpeningTags($viewContents, $bladeXComponent); |
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$viewContents = $this->parseClosingTags($viewContents, $bladeXComponent); |
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return $viewContents; |
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} |
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protected function parseSelfClosingTags(string $viewContents, BladeXComponent $bladeXComponent): string |
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{ |
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$prefix = $this->bladeX->getPrefix(); |
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$pattern = "/<\s*{$prefix}{$bladeXComponent->name}\s*(.*)\s*\/>/m"; |
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return preg_replace_callback($pattern, function (array $regexResult) use ($bladeXComponent) { |
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[$componentHtml, $attributesString] = $regexResult; |
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$attributes = $this->getAttributesFromAttributeString($attributesString); |
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return $this->componentString($bladeXComponent, $attributes); |
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}, $viewContents); |
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} |
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protected function parseOpeningTags(string $viewContents, BladeXComponent $bladeXComponent): string |
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{ |
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$prefix = $this->bladeX->getPrefix(); |
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$pattern = "/<\s*{$prefix}{$bladeXComponent->name}((?:\s+[\w\-:]*=(?:\\\"(?:.*?)\\\"|\'(?:.*)\'|[^\'\\\"=<>]*))*\s*)(?<![\/=\-])>/m"; |
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return preg_replace_callback($pattern, function (array $regexResult) use ($bladeXComponent) { |
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[$componentHtml, $attributesString] = $regexResult; |
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$attributes = $this->getAttributesFromAttributeString($attributesString); |
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return $this->componentStartString($bladeXComponent, $attributes); |
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}, $viewContents); |
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} |
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protected function parseClosingTags(string $viewContents, BladeXComponent $bladeXComponent): string |
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{ |
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$prefix = $this->bladeX->getPrefix(); |
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$pattern = "/<\/\s*{$prefix}{$bladeXComponent->name}[^>]*>/m"; |
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return preg_replace($pattern, $this->componentEndString($bladeXComponent), $viewContents); |
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} |
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protected function componentString(BladeXComponent $bladeXComponent, array $attributes = []): string |
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{ |
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return $this->componentStartString($bladeXComponent, $attributes).$this->componentEndString($bladeXComponent); |
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} |
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protected function componentStartString(BladeXComponent $bladeXComponent, array $attributes = []): string |
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{ |
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$attributesString = $this->attributesToString($attributes); |
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$componentAttributeString = "[{$attributesString}]"; |
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if ($bladeXComponent->bladeViewName === 'bladex::context') { |
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return "@php(app(Spatie\BladeX\ContextStack::class)->push({$componentAttributeString}))"; |
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} |
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if ($bladeXComponent->viewModel) { |
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$componentAttributeString = " |
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array_merge( |
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app(Spatie\BladeX\ContextStack::class)->read(), |
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{$componentAttributeString}, |
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app( |
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'{$bladeXComponent->viewModel}', |
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array_merge( |
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app(Spatie\BladeX\ContextStack::class)->read(), |
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{$componentAttributeString} |
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) |
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)->toArray() |
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)"; |
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} |
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return " @component( |
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'{$bladeXComponent->bladeViewName}', |
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array_merge(app(Spatie\BladeX\ContextStack::class)->read(), {$componentAttributeString})) "; |
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} |
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protected function componentEndString(BladeXComponent $bladeXComponent): string |
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{ |
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if ($bladeXComponent->bladeViewName === 'bladex::context') { |
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return "@php(app(Spatie\BladeX\ContextStack::class)->pop())"; |
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} |
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return ' @endcomponent '; |
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} |
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protected function getAttributesFromAttributeString(string $attributeString): array |
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{ |
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$attributeString = $this->parseBindAttributes($attributeString); |
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$pattern = '/(?<attribute>[\w:-]+)(=(?<value>(\"[^\"]+\"|\\\'[^\\\']+\\\'|[^\s>]+)))?/'; |
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if (! preg_match_all($pattern, $attributeString, $matches, PREG_SET_ORDER)) { |
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return []; |
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} |
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return collect($matches)->mapWithKeys(function ($match) { |
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$attribute = camel_case($match['attribute']); |
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$value = $match['value'] ?? null; |
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if (is_null($value)) { |
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$value = 'true'; |
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$attribute = str_start($attribute, 'bind:'); |
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} |
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$value = $this->stripQuotes($value); |
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if (! starts_with($attribute, 'bind:')) { |
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$value = str_replace("'", "\\'", $value); |
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$value = "'{$value}'"; |
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} |
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if (starts_with($attribute, 'bind:')) { |
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$attribute = str_after($attribute, 'bind:'); |
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} |
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return [$attribute => $value]; |
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})->toArray(); |
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} |
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protected function parseSlots(string $viewContents): string |
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{ |
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$openingPattern = '/<\s*slot\s+name=(?<name>(\"[^\"]+\"|\\\'[^\\\']+\\\'|[^\s>]+))\s*>/'; |
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$viewContents = preg_replace_callback($openingPattern, function ($matches) { |
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$name = $this->stripQuotes($matches['name']); |
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return " @slot('{$name}') "; |
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}, $viewContents); |
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$closingPattern = '/<\/\s*slot[^>]*>/'; |
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$viewContents = preg_replace($closingPattern, ' @endslot', $viewContents); |
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return $viewContents; |
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} |
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protected function isOpeningHtmlTag(string $tagName, string $html): bool |
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{ |
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return ! ends_with($html, ["</{$tagName}>", '/>']); |
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} |
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protected function parseBindAttributes(string $attributeString): string |
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{ |
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return preg_replace("/\s*:([\w-]+)=/m", ' bind:$1=', $attributeString); |
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} |
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protected function attributesToString(array $attributes): string |
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{ |
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return collect($attributes) |
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->map(function (string $value, string $attribute) { |
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return "'{$attribute}' => {$value}"; |
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}) |
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->implode(','); |
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} |
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protected function stripQuotes(string $string): string |
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{ |
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if (starts_with($string, ['"', '\''])) { |
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return substr($string, 1, -1); |
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} |
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return $string; |
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} |
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} |
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