diff options
Diffstat (limited to 'library/Businessprocess/Storage/LegacyConfigRenderer.php')
| -rw-r--r-- | library/Businessprocess/Storage/LegacyConfigRenderer.php | 255 |
1 files changed, 255 insertions, 0 deletions
diff --git a/library/Businessprocess/Storage/LegacyConfigRenderer.php b/library/Businessprocess/Storage/LegacyConfigRenderer.php new file mode 100644 index 0000000..7e2e0b2 --- /dev/null +++ b/library/Businessprocess/Storage/LegacyConfigRenderer.php @@ -0,0 +1,255 @@ +<?php + +namespace Icinga\Module\Businessprocess\Storage; + +use Icinga\Module\Businessprocess\BpNode; +use Icinga\Module\Businessprocess\BpConfig; +use Icinga\Module\Businessprocess\ImportedNode; + +class LegacyConfigRenderer +{ + /** @var array */ + protected $renderedNodes; + + /** + * LecagyConfigRenderer constructor + * + * @param BpConfig $config + */ + public function __construct(BpConfig $config) + { + $this->config = $config; + } + + /** + * @return string + */ + public function render() + { + return $this->renderHeader() . $this->renderNodes(); + } + + /** + * @param BpConfig $config + * @return mixed + */ + public static function renderConfig(BpConfig $config) + { + $renderer = new static($config); + return $renderer->render(); + } + + /** + * @return string + */ + public function renderHeader() + { + $str = "### Business Process Config File ###\n#\n"; + + $meta = $this->config->getMetadata(); + foreach ($meta->getProperties() as $key => $value) { + if ($value === null) { + continue; + } + + $str .= sprintf("# %-15s : %s\n", $key, $value); + } + + $str .= "#\n###################################\n\n"; + + return $str; + } + + /** + * @return string + */ + public function renderNodes() + { + $this->renderedNodes = array(); + + $config = $this->config; + $str = ''; + + foreach ($config->getRootNodes() as $node) { + $str .= $this->requireRenderedBpNode($node); + } + + foreach ($config->getUnboundNodes() as $name => $node) { + $str .= $this->requireRenderedBpNode($node); + } + + return $str . "\n"; + } + + /** + * Rendered node definition, empty string if already rendered + * + * @param BpNode $node + * + * @return string + */ + protected function requireRenderedBpNode(BpNode $node) + { + $name = $node->getName(); + + if (array_key_exists($name, $this->renderedNodes)) { + return ''; + } else { + $this->renderedNodes[$name] = true; + return $this->renderBpNode($node); + } + } + + /** + * @param BpNode $node + * @return string + */ + protected function renderBpNode(BpNode $node) + { + $name = $node->getName(); + // Doing this before rendering children allows us to store loops + $cfg = ''; + + foreach ($node->getChildBpNodes() as $name => $child) { + if ($child instanceof ImportedNode) { + continue; + } + + $cfg .= $this->requireRenderedBpNode($child) . "\n"; + } + + $cfg .= static::renderSingleBpNode($node); + + return $cfg; + } + + /** + * @param BpNode $node + * @return string + */ + public static function renderEqualSign(BpNode $node) + { + $op = $node->getOperator(); + if (is_numeric($op)) { + return '= ' . $op . ' of:'; + } else { + return '='; + } + } + + /** + * @param BpNode $node + * @return string + */ + public static function renderOperator(BpNode $node) + { + $op = $node->getOperator(); + if (is_numeric($op)) { + return '+'; + } else { + return $op; + } + } + + /** + * @param BpNode $node + * @return string + */ + public static function renderSingleBpNode(BpNode $node) + { + return static::renderExpression($node) + . static::renderStateOverrides($node) + . static::renderDisplay($node) + . static::renderInfoUrl($node); + } + + /** + * @param BpNode $node + * @return string + */ + public static function renderExpression(BpNode $node) + { + return sprintf( + "%s %s %s\n", + $node->getName(), + static::renderEqualSign($node), + static::renderChildNames($node) + ); + } + + /** + * @param BpNode $node + * @return string + */ + public static function renderChildNames(BpNode $node) + { + $op = static::renderOperator($node); + $children = $node->getChildNames(); + $str = implode(' ' . $op . ' ', array_map(function ($val) { + return preg_replace('~([\|\+&\!\%])~', '\\\\$1', $val); + }, $children)); + + if ((count($children) < 2) && $op !== '&') { + return $op . ' ' . $str; + } else { + return $str; + } + } + + /** + * @param BpNode $node + * @return string + */ + public static function renderDisplay(BpNode $node) + { + if ($node->hasAlias() || $node->getDisplay() > 0) { + $prio = $node->getDisplay(); + return sprintf( + "display %s;%s;%s\n", + $prio, + $node->getName(), + $node->getAlias() + ); + } else { + return ''; + } + } + + public static function renderStateOverrides(BpNode $node) + { + $stateOverrides = ''; + foreach ($node->getStateOverrides() as $childName => $overrideRules) { + $overrides = []; + foreach ($overrideRules as $from => $to) { + $overrides[] = sprintf('%d-%d', $from, $to); + } + + if (! empty($overrides)) { + $stateOverrides .= '!' . $childName . '|' . join(',', $overrides); + } + } + + if (! $stateOverrides) { + return ''; + } + + return 'state_overrides ' . $node->getName() . $stateOverrides . "\n"; + } + + /** + * @param BpNode $node + * @return string + */ + public static function renderInfoUrl(BpNode $node) + { + if ($node->hasInfoUrl()) { + return sprintf( + "info_url %s;%s\n", + $node->getName(), + $node->getInfoUrl() + ); + } else { + return ''; + } + } +} |