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<?php
namespace Safe;
use Safe\Exceptions\XdiffException;
/**
* Makes a binary diff of two files and stores the result in a patch file.
* This function works with both text and binary files. Resulting patch
* file can be later applied using xdiff_file_bpatch/xdiff_string_bpatch.
*
* @param string $old_file Path to the first file. This file acts as "old" file.
* @param string $new_file Path to the second file. This file acts as "new" file.
* @param string $dest Path of the resulting patch file. Resulting file contains differences
* between "old" and "new" files. It is in binary format and is human-unreadable.
* @throws XdiffException
*
*/
function xdiff_file_bdiff(string $old_file, string $new_file, string $dest): void
{
error_clear_last();
$result = \xdiff_file_bdiff($old_file, $new_file, $dest);
if ($result === false) {
throw XdiffException::createFromPhpError();
}
}
/**
* Patches a file with a binary
* patch and stores the result in a file dest.
* This function accepts patches created both via xdiff_file_bdiff
* and xdiff_file_rabdiff functions or their string counterparts.
*
* @param string $file The original file.
* @param string $patch The binary patch file.
* @param string $dest Path of the resulting file.
* @throws XdiffException
*
*/
function xdiff_file_bpatch(string $file, string $patch, string $dest): void
{
error_clear_last();
$result = \xdiff_file_bpatch($file, $patch, $dest);
if ($result === false) {
throw XdiffException::createFromPhpError();
}
}
/**
* Makes a binary diff of two files and stores the result in a patch file.
* This function works with both text and binary files. Resulting patch
* file can be later applied using xdiff_file_bpatch.
*
* Starting with version 1.5.0 this function is an alias of xdiff_file_bdiff.
*
* @param string $old_file Path to the first file. This file acts as "old" file.
* @param string $new_file Path to the second file. This file acts as "new" file.
* @param string $dest Path of the resulting patch file. Resulting file contains differences
* between "old" and "new" files. It is in binary format and is human-unreadable.
* @throws XdiffException
*
*/
function xdiff_file_diff_binary(string $old_file, string $new_file, string $dest): void
{
error_clear_last();
$result = \xdiff_file_diff_binary($old_file, $new_file, $dest);
if ($result === false) {
throw XdiffException::createFromPhpError();
}
}
/**
* Makes an unified diff containing differences between old_file and
* new_file and stores it in dest file. The
* resulting file is human-readable. An optional context parameter
* specifies how many lines of context should be added around each change.
* Setting minimal parameter to true will result in outputting the shortest
* patch file possible (can take a long time).
*
* @param string $old_file Path to the first file. This file acts as "old" file.
* @param string $new_file Path to the second file. This file acts as "new" file.
* @param string $dest Path of the resulting patch file.
* @param int $context Indicates how many lines of context you want to include in diff
* result.
* @param bool $minimal Set this parameter to TRUE if you want to minimalize size of the result
* (can take a long time).
* @throws XdiffException
*
*/
function xdiff_file_diff(string $old_file, string $new_file, string $dest, int $context = 3, bool $minimal = false): void
{
error_clear_last();
$result = \xdiff_file_diff($old_file, $new_file, $dest, $context, $minimal);
if ($result === false) {
throw XdiffException::createFromPhpError();
}
}
/**
* Patches a file with a binary
* patch and stores the result in a file dest.
* This function accepts patches created both via xdiff_file_bdiff
* or xdiff_file_rabdiff functions or their string counterparts.
*
* Starting with version 1.5.0 this function is an alias of xdiff_file_bpatch.
*
* @param string $file The original file.
* @param string $patch The binary patch file.
* @param string $dest Path of the resulting file.
* @throws XdiffException
*
*/
function xdiff_file_patch_binary(string $file, string $patch, string $dest): void
{
error_clear_last();
$result = \xdiff_file_patch_binary($file, $patch, $dest);
if ($result === false) {
throw XdiffException::createFromPhpError();
}
}
/**
* Makes a binary diff of two files and stores the result in a patch file.
* The difference between this function and xdiff_file_bdiff is different
* algorithm used which should result in faster execution and smaller diff produced.
* This function works with both text and binary files. Resulting patch
* file can be later applied using xdiff_file_bpatch/xdiff_string_bpatch.
*
* For more details about differences between algorithm used please check libxdiff
* website.
*
* @param string $old_file Path to the first file. This file acts as "old" file.
* @param string $new_file Path to the second file. This file acts as "new" file.
* @param string $dest Path of the resulting patch file. Resulting file contains differences
* between "old" and "new" files. It is in binary format and is human-unreadable.
* @throws XdiffException
*
*/
function xdiff_file_rabdiff(string $old_file, string $new_file, string $dest): void
{
error_clear_last();
$result = \xdiff_file_rabdiff($old_file, $new_file, $dest);
if ($result === false) {
throw XdiffException::createFromPhpError();
}
}
/**
* Patches a string str with a binary patch.
* This function accepts patches created both via xdiff_string_bdiff
* and xdiff_string_rabdiff functions or their file counterparts.
*
* @param string $str The original binary string.
* @param string $patch The binary patch string.
* @return string Returns the patched string.
* @throws XdiffException
*
*/
function xdiff_string_bpatch(string $str, string $patch): string
{
error_clear_last();
$result = \xdiff_string_bpatch($str, $patch);
if ($result === false) {
throw XdiffException::createFromPhpError();
}
return $result;
}
/**
* Patches a string str with a binary patch.
* This function accepts patches created both via xdiff_string_bdiff
* and xdiff_string_rabdiff functions or their file counterparts.
*
* Starting with version 1.5.0 this function is an alias of xdiff_string_bpatch.
*
* @param string $str The original binary string.
* @param string $patch The binary patch string.
* @return string Returns the patched string.
* @throws XdiffException
*
*/
function xdiff_string_patch_binary(string $str, string $patch): string
{
error_clear_last();
$result = \xdiff_string_patch_binary($str, $patch);
if ($result === false) {
throw XdiffException::createFromPhpError();
}
return $result;
}
/**
* Patches a str string with an unified patch in patch parameter
* and returns the result. patch has to be an unified diff created by
* xdiff_file_diff/xdiff_string_diff function.
* An optional flags parameter specifies mode of operation. Any
* rejected parts of the patch will be stored inside error variable if
* it is provided.
*
* @param string $str The original string.
* @param string $patch The unified patch string. It has to be created using xdiff_string_diff,
* xdiff_file_diff functions or compatible tools.
* @param int $flags flags can be either
* XDIFF_PATCH_NORMAL (default mode, normal patch)
* or XDIFF_PATCH_REVERSE (reversed patch).
*
* Starting from version 1.5.0, you can also use binary OR to enable
* XDIFF_PATCH_IGNORESPACE flag.
* @param string|null $error If provided then rejected parts are stored inside this variable.
* @return string Returns the patched string.
* @throws XdiffException
*
*/
function xdiff_string_patch(string $str, string $patch, int $flags = null, ?string &$error = null): string
{
error_clear_last();
if ($error !== null) {
$result = \xdiff_string_patch($str, $patch, $flags, $error);
} elseif ($flags !== null) {
$result = \xdiff_string_patch($str, $patch, $flags);
} else {
$result = \xdiff_string_patch($str, $patch);
}
if ($result === false) {
throw XdiffException::createFromPhpError();
}
return $result;
}
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