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<?php |
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namespace SilverStripe\Dev; |
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use SilverStripe\Control\HTTPRequest; |
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use SilverStripe\Core\ClassInfo; |
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use SilverStripe\Core\Convert; |
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/** |
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* A basic HTML wrapper for stylish rendering of a developement info view. |
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* Used to output error messages, and test results. |
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* |
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* @todo Perhaps DebugView should be an interface / ABC, implemented by HTMLDebugView and CliDebugView? |
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*/ |
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class CliDebugView extends DebugView |
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{ |
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/** |
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* Render HTML header for development views |
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* |
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* @param HTTPRequest $httpRequest |
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* @return string |
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*/ |
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public function renderHeader($httpRequest = null) |
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{ |
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return null; |
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} |
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/** |
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* Render HTML footer for development views |
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*/ |
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public function renderFooter() |
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{ |
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} |
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/** |
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* Write information about the error to the screen |
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* |
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* @param string $httpRequest |
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* @param int $errno |
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* @param string $errstr |
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* @param string $errfile |
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* @param int $errline |
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* @return string |
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*/ |
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public function renderError($httpRequest, $errno, $errstr, $errfile, $errline) |
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{ |
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if (!isset(self::$error_types[$errno])) { |
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$errorTypeTitle = "UNKNOWN TYPE, ERRNO $errno"; |
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} else { |
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$errorTypeTitle = self::$error_types[$errno]['title']; |
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} |
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$output = CLI::text("ERROR [" . $errorTypeTitle . "]: $errstr\nIN $httpRequest\n", "red", null, true); |
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$output .= CLI::text("Line $errline in $errfile\n\n", "red"); |
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return $output; |
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} |
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/** |
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* Write a fragment of the a source file |
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* |
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* @param array $lines An array of file lines; the keys should be the original line numbers |
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* @param int $errline Index of the line in $lines which has the error |
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* @return string |
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*/ |
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public function renderSourceFragment($lines, $errline) |
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{ |
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$output = "Source\n======\n"; |
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foreach ($lines as $offset => $line) { |
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$output .= ($offset == $errline) ? "* " : " "; |
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$output .= str_pad("$offset:", 5); |
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$output .= wordwrap($line, self::config()->columns, "\n "); |
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} |
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$output .= "\n"; |
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return $output; |
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} |
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/** |
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* Write a backtrace |
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* |
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* @param array $trace |
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* @return string |
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*/ |
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public function renderTrace($trace = null) |
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{ |
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$output = "Trace\n=====\n"; |
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$output .= Backtrace::get_rendered_backtrace($trace ? $trace : debug_backtrace(), true); |
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return $output; |
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} |
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public function renderParagraph($text) |
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{ |
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return wordwrap($text, self::config()->columns) . "\n\n"; |
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} |
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/** |
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* Render the information header for the view |
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* |
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* @param string $title |
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* @param string $subtitle |
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* @param string $description |
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* @return string |
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*/ |
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public function renderInfo($title, $subtitle, $description = null) |
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{ |
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$output = wordwrap(strtoupper($title), self::config()->columns) . "\n"; |
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$output .= wordwrap($subtitle, self::config()->columns) . "\n"; |
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$output .= str_repeat('-', min(self::config()->columns, max(strlen($title), strlen($subtitle)))) . "\n"; |
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$output .= wordwrap($description, self::config()->columns) . "\n\n"; |
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return $output; |
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} |
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public function renderVariable($val, $caller) |
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{ |
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$output = PHP_EOL; |
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$output .= CLI::text(str_repeat('=', self::config()->columns), 'green'); |
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$output .= PHP_EOL; |
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$output .= CLI::text($this->formatCaller($caller), 'blue', null, true); |
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$output .= PHP_EOL . PHP_EOL; |
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if (is_string($val)) { |
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$output .= wordwrap($val, self::config()->columns); |
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} else { |
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$output .= var_export($val, true); |
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} |
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$output .= PHP_EOL; |
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$output .= CLI::text(str_repeat('=', self::config()->columns), 'green'); |
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$output .= PHP_EOL; |
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return $output; |
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} |
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/** |
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* Similar to renderVariable() but respects debug() method on object if available |
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* |
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* @param mixed $val |
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* @param array $caller |
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* @param bool $showHeader |
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* @return string |
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*/ |
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public function debugVariable($val, $caller, $showHeader = true) |
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{ |
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$text = $this->debugVariableText($val); |
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if ($showHeader) { |
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$callerFormatted = $this->formatCaller($caller); |
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return "Debug ($callerFormatted)\n{$text}\n\n"; |
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} else { |
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return $text; |
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} |
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} |
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/** |
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* Get debug text for this object |
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* |
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* @param mixed $val |
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* @return string |
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*/ |
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public function debugVariableText($val) |
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{ |
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// Check debug |
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if (is_object($val) && ClassInfo::hasMethod($val, 'debug')) { |
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return $val->debug(); |
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} |
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// Format as array |
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if (is_array($val)) { |
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$result = ''; |
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foreach ($val as $key => $valItem) { |
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$valText = $this->debugVariableText($valItem); |
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$result .= "$key = $valText\n"; |
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} |
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return $result; |
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} |
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// Format object |
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if (is_object($val)) { |
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return var_export($val, true); |
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} |
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// Format bool |
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if (is_bool($val)) { |
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return '(bool) ' . ($val ? 'true' : 'false'); |
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} |
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// Format text |
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if (is_string($val)) { |
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return wordwrap($val, self::config()->columns); |
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} |
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// Other |
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return var_export($val, true); |
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} |
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public function renderMessage($message, $caller, $showHeader = true) |
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{ |
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$header = ''; |
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if ($showHeader) { |
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$file = basename($caller['file']); |
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$line = $caller['line']; |
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$header .= "Debug (line {$line} of {$file}):\n"; |
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} |
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return $header . "{$message}\n\n"; |
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} |
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} |
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