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<?php |
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namespace GarethEllis\Tldr\Console\Output; |
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use GarethEllis\Tldr\Page\TldrPage; |
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use Symfony\Component\Console\Output\OutputInterface; |
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use Symfony\Component\Console\Formatter\OutputFormatterStyle; |
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class PageOutput |
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{ |
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/** |
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* @var OutputInterface |
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*/ |
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private $output; |
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public function __construct(OutputInterface $output) |
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{ |
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$this->output = $output; |
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} |
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public function write(TldrPage $page) |
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{ |
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$this->output->writeln(""); |
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$lines = explode(PHP_EOL, $page->getContent()); |
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foreach ($lines as $line) { |
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$this->writeLine($line); |
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} |
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} |
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protected function writeLine($line) |
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{ |
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if (empty(trim($line))) { |
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return false; |
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} |
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if ($this->isHeading($line)) { |
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return $this->outputHeading($line); |
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} |
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if ($this->isDescription($line)) { |
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return $this->outputDescription($line); |
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} |
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if ($this->isHowToIntro($line)) { |
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return $this->outputHowToIntro($line); |
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} |
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return $this->outputHowToCommand($line); |
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} |
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protected function isHeading($line) |
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{ |
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return substr($line, 0, 2) === "# "; |
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} |
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protected function isDescription($line) |
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{ |
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return substr($line, 0, 2) === "> "; |
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} |
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protected function isHowToIntro($line) |
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{ |
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return substr($line, 0, 2) === "- "; |
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} |
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protected function isHowToCommand($line) |
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{ |
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return substr($line, 0, 1) === "`" && substr($line, strlen($line) - 1, 1) === "`"; |
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} |
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protected function outputHeading($line) |
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{ |
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$this->setHeadingStyle(); |
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$this->output->writeln($this->doOutput($line, "heading")); |
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} |
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protected function outputDescription($line) |
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{ |
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$this->setDescriptionStyle(); |
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$this->output->writeln($this->doOutput($line, "description")); |
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$this->output->writeln(""); |
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} |
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protected function outputHowToIntro($line) |
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{ |
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$this->setHowToIntroStyle(); |
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$this->output->writeln($this->doOutput($line, "howtointro")); |
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} |
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protected function outputHowToCommand($line) |
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{ |
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$this->setHowToCommandStyle(); |
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$this->output->writeln($this->doOutput($line, "howtocommand")); |
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$this->output->writeln(""); |
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} |
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protected function stripMarkdown($line) |
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{ |
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if ($this->isHeading($line)) { |
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return substr_replace($line, "", 0, 2); |
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} |
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if ($this->isDescription($line)) { |
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return substr_replace($line, "", 0, 2); |
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} |
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if ($this->isHowToIntro($line)) { |
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return $line; |
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} |
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$line = substr_replace($line, "", 0, 1); |
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$line = substr_replace($line, "", strlen($line) -1, 1); |
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$line = str_replace("{{", "<", $line); |
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return str_replace("}}", ">", $line); |
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} |
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protected function setHeadingStyle() |
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{ |
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$style = new OutputFormatterStyle('green', 'black', array('bold')); |
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$this->output->getFormatter()->setStyle('heading', $style); |
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} |
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protected function setDescriptionStyle() |
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{ |
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$style = new OutputFormatterStyle('white', 'black', array('bold')); |
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$this->output->getFormatter()->setStyle('description', $style); |
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} |
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protected function setHowToIntroStyle() |
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{ |
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$style = new OutputFormatterStyle('green', 'black', array('bold')); |
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$this->output->getFormatter()->setStyle('howtointro', $style); |
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} |
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protected function setHowToCommandStyle() |
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{ |
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$style = new OutputFormatterStyle('red', 'black', array('bold')); |
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$this->output->getFormatter()->setStyle('howtocommand', $style); |
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} |
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protected function doOutput($line, $tag) |
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{ |
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$indent = str_repeat(" ", $this->isHowToCommand($line) ? 4 : 2); |
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return $indent . "<{$tag}>" . $this->stripMarkdown($line). "</{$tag}>"; |
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} |
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} |
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garethellis36 /
tldr-php
