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updates for the updater and the diff engine.

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- this update also includes an important change for including the diff engine, since we may need to include an updated engine before updating. This basically means that for a future update (B4 to another version) requires copying the new diff files first... the new include method should prevent this needed handwork for later versions then.


git-svn-id: file:///svn/phpbb/trunk@6695 89ea8834-ac86-4346-8a33-228a782c2dd0
This commit is contained in:
Meik Sievertsen
2006-11-29 15:51:54 +00:00
parent d417d53c0a
commit 7ed41c4de1
4 changed files with 129 additions and 32 deletions
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27
phpBB/includes/diff/engine.php
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@@ -47,11 +47,32 @@ if (!defined('IN_PHPBB'))
*/
class diff_engine
{
function diff($from_lines, $to_lines)
function diff(&$from_lines, &$to_lines, $preserve_cr = true)
{
// Remove empty lines...
// array_walk($from_lines, array('diff', 'trim_newlines'));
// array_walk($to_lines, array('diff', 'trim_newlines'));
// If preserve_cr is true, we basically only change \r\n and bare \r to \n to get the same carriage returns for both files
// If it is false, we try to only use \n once per line and ommit all empty lines to be able to get a proper data diff
if (is_array($from_lines))
{
$from_lines = implode("\n", $from_lines);
}
if (is_array($to_lines))
{
$to_lines = implode("\n", $to_lines);
}
if ($preserve_cr)
{
$from_lines = explode("\n", str_replace("\r", "\n", str_replace("\r\n", "\n", $from_lines)));
$to_lines = explode("\n", str_replace("\r", "\n", str_replace("\r\n", "\n", $to_lines)));
}
else
{
$from_lines = explode("\n", preg_replace('#[\n\r]+#', "\n", $from_lines));
$to_lines = explode("\n", preg_replace('#[\n\r]+#', "\n", $to_lines));
}
$n_from = sizeof($from_lines);
$n_to = sizeof($to_lines);