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phab/src/applications/files/document/PhabricatorTextDocumentEngine.php
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PhabricatorTextDocumentEngine.php
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<?php
abstract class PhabricatorTextDocumentEngine
extends PhabricatorDocumentEngine {
private $encodingMessage = null;
protected function canRenderDocumentType(PhabricatorDocumentRef $ref) {
return $ref->isProbablyText();
}
public function canConfigureEncoding(PhabricatorDocumentRef $ref) {
return true;
}
protected function newTextDocumentContent($content) {
$lines = phutil_split_lines($content);
$view = id(new PhabricatorSourceCodeView())
->setHighlights($this->getHighlightedLines())
->setLines($lines);
$message = null;
if ($this->encodingMessage !== null) {
$message = $this->newMessage($this->encodingMessage);
}
$container = phutil_tag(
'div',
array(
'class' => 'document-engine-text',
),
array(
$message,
$view,
));
return $container;
}
protected function loadTextData(PhabricatorDocumentRef $ref) {
$content = $ref->loadData();
$encoding = $this->getEncodingConfiguration();
if ($encoding !== null) {
if (function_exists('mb_convert_encoding')) {
$content = mb_convert_encoding($content, 'UTF-8', $encoding);
$this->encodingMessage = pht(
'This document was converted from %s to UTF8 for display.',
$encoding);
} else {
$this->encodingMessage = pht(
'Unable to perform text encoding conversion: mbstring extension '.
'is not available.');
}
} else {
if (!phutil_is_utf8($content)) {
if (function_exists('mb_detect_encoding')) {
$try_encodings = array(
'JIS' => pht('JIS'),
'EUC-JP' => pht('EUC-JP'),
'SJIS' => pht('Shift JIS'),
'ISO-8859-1' => pht('ISO-8859-1 (Latin 1)'),
);
$guess = mb_detect_encoding($content, array_keys($try_encodings));
if ($guess) {
$content = mb_convert_encoding($content, 'UTF-8', $guess);
$this->encodingMessage = pht(
'This document is not UTF8. It was detected as %s and '.
'converted to UTF8 for display.',
idx($try_encodings, $guess, $guess));
}
}
}
}
if (!phutil_is_utf8($content)) {
$content = phutil_utf8ize($content);
$this->encodingMessage = pht(
'This document is not UTF8 and its text encoding could not be '.
'detected automatically. Use "Change Text Encoding..." to choose '.
'an encoding.');
}
return $content;
}
}
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