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Preserve line endings when editing existing file.

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This commit is contained in:
Andrey Grinenko
2015-02-16 13:18:32 +03:00
parent 2e601a4ccc
commit ae37460e92
1 changed files with 13 additions and 0 deletions
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13
lib/file-control-xhr.php
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@@ -153,12 +153,25 @@ if (!$error && $_GET['action']=="save") {
if (!(isset($_GET['fileMDT']))||$filemtime==$_GET['fileMDT']) {
// Newly created files have the perms set too
$setPerms = (!file_exists($file)) ? true : false;
// get old file contents, if file exists, and count stats on usage \n and \r there
// in this case we can keep line endings, which file had before, without
// making code version control systems going crazy about line endings change in whole file.
$oldContents = file_exists($file)?file_get_contents($file):'';
$unixNewLines = preg_match_all('/[^\r][\n]/u', $oldContents);
$windowsNewLines = preg_match_all('/[\r][\n]/u', $oldContents);
$fh = fopen($file, 'w') or die($t['Sorry, cannot save']);
// replace \r\n (Windows), \r (old Mac) and \n (Linux) line endings with whatever we chose to be lineEnding
$contents = $_POST['contents'];
$contents = str_replace("\r\n", $ICEcoder["lineEnding"], $contents);
$contents = str_replace("\r", $ICEcoder["lineEnding"], $contents);
$contents = str_replace("\n", $ICEcoder["lineEnding"], $contents);
if (($unixNewLines > 0) || ($windowsNewLines > 0)){
if ($unixNewLines > $windowsNewLines){
$contents = str_replace($ICEcoder["lineEnding"], "\n", $contents);
} elseif ($windowsNewLines > $unixNewLines){
$contents = str_replace($ICEcoder["lineEnding"], "\r\n", $contents);
}
}
// Now write that content, close the file and clear the statcache
fwrite($fh, $contents);
fclose($fh);