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xdiff.php
220 lines
| 1 | <?php |
| 2 | |
| 3 | namespace ProfilePressVendor\Safe; |
| 4 | |
| 5 | use ProfilePressVendor\Safe\Exceptions\XdiffException; |
| 6 | /** |
| 7 | * Makes a binary diff of two files and stores the result in a patch file. |
| 8 | * This function works with both text and binary files. Resulting patch |
| 9 | * file can be later applied using xdiff_file_bpatch/xdiff_string_bpatch. |
| 10 | * |
| 11 | * @param string $old_file Path to the first file. This file acts as "old" file. |
| 12 | * @param string $new_file Path to the second file. This file acts as "new" file. |
| 13 | * @param string $dest Path of the resulting patch file. Resulting file contains differences |
| 14 | * between "old" and "new" files. It is in binary format and is human-unreadable. |
| 15 | * @throws XdiffException |
| 16 | * |
| 17 | */ |
| 18 | function xdiff_file_bdiff(string $old_file, string $new_file, string $dest): void |
| 19 | { |
| 20 | error_clear_last(); |
| 21 | $result = \xdiff_file_bdiff($old_file, $new_file, $dest); |
| 22 | if ($result === \false) { |
| 23 | throw XdiffException::createFromPhpError(); |
| 24 | } |
| 25 | } |
| 26 | /** |
| 27 | * Patches a file with a binary |
| 28 | * patch and stores the result in a file dest. |
| 29 | * This function accepts patches created both via xdiff_file_bdiff |
| 30 | * and xdiff_file_rabdiff functions or their string counterparts. |
| 31 | * |
| 32 | * @param string $file The original file. |
| 33 | * @param string $patch The binary patch file. |
| 34 | * @param string $dest Path of the resulting file. |
| 35 | * @throws XdiffException |
| 36 | * |
| 37 | */ |
| 38 | function xdiff_file_bpatch(string $file, string $patch, string $dest): void |
| 39 | { |
| 40 | error_clear_last(); |
| 41 | $result = \xdiff_file_bpatch($file, $patch, $dest); |
| 42 | if ($result === \false) { |
| 43 | throw XdiffException::createFromPhpError(); |
| 44 | } |
| 45 | } |
| 46 | /** |
| 47 | * Makes a binary diff of two files and stores the result in a patch file. |
| 48 | * This function works with both text and binary files. Resulting patch |
| 49 | * file can be later applied using xdiff_file_bpatch. |
| 50 | * |
| 51 | * Starting with version 1.5.0 this function is an alias of xdiff_file_bdiff. |
| 52 | * |
| 53 | * @param string $old_file Path to the first file. This file acts as "old" file. |
| 54 | * @param string $new_file Path to the second file. This file acts as "new" file. |
| 55 | * @param string $dest Path of the resulting patch file. Resulting file contains differences |
| 56 | * between "old" and "new" files. It is in binary format and is human-unreadable. |
| 57 | * @throws XdiffException |
| 58 | * |
| 59 | */ |
| 60 | function xdiff_file_diff_binary(string $old_file, string $new_file, string $dest): void |
| 61 | { |
| 62 | error_clear_last(); |
| 63 | $result = \xdiff_file_diff_binary($old_file, $new_file, $dest); |
| 64 | if ($result === \false) { |
| 65 | throw XdiffException::createFromPhpError(); |
| 66 | } |
| 67 | } |
| 68 | /** |
| 69 | * Makes an unified diff containing differences between old_file and |
| 70 | * new_file and stores it in dest file. The |
| 71 | * resulting file is human-readable. An optional context parameter |
| 72 | * specifies how many lines of context should be added around each change. |
| 73 | * Setting minimal parameter to true will result in outputting the shortest |
| 74 | * patch file possible (can take a long time). |
| 75 | * |
| 76 | * @param string $old_file Path to the first file. This file acts as "old" file. |
| 77 | * @param string $new_file Path to the second file. This file acts as "new" file. |
| 78 | * @param string $dest Path of the resulting patch file. |
| 79 | * @param int $context Indicates how many lines of context you want to include in diff |
| 80 | * result. |
| 81 | * @param bool $minimal Set this parameter to TRUE if you want to minimalize size of the result |
| 82 | * (can take a long time). |
| 83 | * @throws XdiffException |
| 84 | * |
| 85 | */ |
| 86 | function xdiff_file_diff(string $old_file, string $new_file, string $dest, int $context = 3, bool $minimal = \false): void |
| 87 | { |
| 88 | error_clear_last(); |
| 89 | $result = \xdiff_file_diff($old_file, $new_file, $dest, $context, $minimal); |
| 90 | if ($result === \false) { |
| 91 | throw XdiffException::createFromPhpError(); |
| 92 | } |
| 93 | } |
| 94 | /** |
| 95 | * Patches a file with a binary |
| 96 | * patch and stores the result in a file dest. |
| 97 | * This function accepts patches created both via xdiff_file_bdiff |
| 98 | * or xdiff_file_rabdiff functions or their string counterparts. |
| 99 | * |
| 100 | * Starting with version 1.5.0 this function is an alias of xdiff_file_bpatch. |
| 101 | * |
| 102 | * @param string $file The original file. |
| 103 | * @param string $patch The binary patch file. |
| 104 | * @param string $dest Path of the resulting file. |
| 105 | * @throws XdiffException |
| 106 | * |
| 107 | */ |
| 108 | function xdiff_file_patch_binary(string $file, string $patch, string $dest): void |
| 109 | { |
| 110 | error_clear_last(); |
| 111 | $result = \xdiff_file_patch_binary($file, $patch, $dest); |
| 112 | if ($result === \false) { |
| 113 | throw XdiffException::createFromPhpError(); |
| 114 | } |
| 115 | } |
| 116 | /** |
| 117 | * Makes a binary diff of two files and stores the result in a patch file. |
| 118 | * The difference between this function and xdiff_file_bdiff is different |
| 119 | * algorithm used which should result in faster execution and smaller diff produced. |
| 120 | * This function works with both text and binary files. Resulting patch |
| 121 | * file can be later applied using xdiff_file_bpatch/xdiff_string_bpatch. |
| 122 | * |
| 123 | * For more details about differences between algorithm used please check libxdiff |
| 124 | * website. |
| 125 | * |
| 126 | * @param string $old_file Path to the first file. This file acts as "old" file. |
| 127 | * @param string $new_file Path to the second file. This file acts as "new" file. |
| 128 | * @param string $dest Path of the resulting patch file. Resulting file contains differences |
| 129 | * between "old" and "new" files. It is in binary format and is human-unreadable. |
| 130 | * @throws XdiffException |
| 131 | * |
| 132 | */ |
| 133 | function xdiff_file_rabdiff(string $old_file, string $new_file, string $dest): void |
| 134 | { |
| 135 | error_clear_last(); |
| 136 | $result = \xdiff_file_rabdiff($old_file, $new_file, $dest); |
| 137 | if ($result === \false) { |
| 138 | throw XdiffException::createFromPhpError(); |
| 139 | } |
| 140 | } |
| 141 | /** |
| 142 | * Patches a string str with a binary patch. |
| 143 | * This function accepts patches created both via xdiff_string_bdiff |
| 144 | * and xdiff_string_rabdiff functions or their file counterparts. |
| 145 | * |
| 146 | * @param string $str The original binary string. |
| 147 | * @param string $patch The binary patch string. |
| 148 | * @return string Returns the patched string. |
| 149 | * @throws XdiffException |
| 150 | * |
| 151 | */ |
| 152 | function xdiff_string_bpatch(string $str, string $patch): string |
| 153 | { |
| 154 | error_clear_last(); |
| 155 | $result = \xdiff_string_bpatch($str, $patch); |
| 156 | if ($result === \false) { |
| 157 | throw XdiffException::createFromPhpError(); |
| 158 | } |
| 159 | return $result; |
| 160 | } |
| 161 | /** |
| 162 | * Patches a string str with a binary patch. |
| 163 | * This function accepts patches created both via xdiff_string_bdiff |
| 164 | * and xdiff_string_rabdiff functions or their file counterparts. |
| 165 | * |
| 166 | * Starting with version 1.5.0 this function is an alias of xdiff_string_bpatch. |
| 167 | * |
| 168 | * @param string $str The original binary string. |
| 169 | * @param string $patch The binary patch string. |
| 170 | * @return string Returns the patched string. |
| 171 | * @throws XdiffException |
| 172 | * |
| 173 | */ |
| 174 | function xdiff_string_patch_binary(string $str, string $patch): string |
| 175 | { |
| 176 | error_clear_last(); |
| 177 | $result = \xdiff_string_patch_binary($str, $patch); |
| 178 | if ($result === \false) { |
| 179 | throw XdiffException::createFromPhpError(); |
| 180 | } |
| 181 | return $result; |
| 182 | } |
| 183 | /** |
| 184 | * Patches a str string with an unified patch in patch parameter |
| 185 | * and returns the result. patch has to be an unified diff created by |
| 186 | * xdiff_file_diff/xdiff_string_diff function. |
| 187 | * An optional flags parameter specifies mode of operation. Any |
| 188 | * rejected parts of the patch will be stored inside error variable if |
| 189 | * it is provided. |
| 190 | * |
| 191 | * @param string $str The original string. |
| 192 | * @param string $patch The unified patch string. It has to be created using xdiff_string_diff, |
| 193 | * xdiff_file_diff functions or compatible tools. |
| 194 | * @param int $flags flags can be either |
| 195 | * XDIFF_PATCH_NORMAL (default mode, normal patch) |
| 196 | * or XDIFF_PATCH_REVERSE (reversed patch). |
| 197 | * |
| 198 | * Starting from version 1.5.0, you can also use binary OR to enable |
| 199 | * XDIFF_PATCH_IGNORESPACE flag. |
| 200 | * @param string|null $error If provided then rejected parts are stored inside this variable. |
| 201 | * @return string Returns the patched string. |
| 202 | * @throws XdiffException |
| 203 | * |
| 204 | */ |
| 205 | function xdiff_string_patch(string $str, string $patch, int $flags = null, ?string &$error = null): string |
| 206 | { |
| 207 | error_clear_last(); |
| 208 | if ($error !== null) { |
| 209 | $result = \xdiff_string_patch($str, $patch, $flags, $error); |
| 210 | } elseif ($flags !== null) { |
| 211 | $result = \xdiff_string_patch($str, $patch, $flags); |
| 212 | } else { |
| 213 | $result = \xdiff_string_patch($str, $patch); |
| 214 | } |
| 215 | if ($result === \false) { |
| 216 | throw XdiffException::createFromPhpError(); |
| 217 | } |
| 218 | return $result; |
| 219 | } |
| 220 |