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Rev | Author | Line No. | Line |
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2 | daniel-mar | 1 | <?php |
2 | |||
3 | /* |
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4 | * PHP diff functions |
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5 | * Copyright 2012 Daniel Marschall, ViaThinkSoft |
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6 | * Revision 2012-11-16 |
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7 | * |
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8 | * Licensed under the Apache License, Version 2.0 (the "License"); |
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9 | * you may not use this file except in compliance with the License. |
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10 | * You may obtain a copy of the License at |
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11 | * |
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12 | * http://www.apache.org/licenses/LICENSE-2.0 |
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13 | * |
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14 | * Unless required by applicable law or agreed to in writing, software |
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15 | * distributed under the License is distributed on an "AS IS" BASIS, |
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16 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
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17 | * See the License for the specific language governing permissions and |
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18 | * limitations under the License. |
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19 | */ |
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20 | |||
21 | define('TABS_WS', 6); |
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22 | |||
23 | function output_unified_diff($fileA, $fileB, $num_lines=3) { |
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24 | $fileA = realpath($fileA); |
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25 | $fileB = realpath($fileB); |
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26 | |||
27 | ob_start(); |
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28 | system("diff -wbB --ignore-blank-lines -U ".escapeshellarg($num_lines)." ".escapeshellarg($fileA)." ".escapeshellarg($fileB)); |
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29 | $cont = ob_get_contents(); |
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30 | ob_end_clean(); |
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31 | |||
32 | $ary = explode("\n", $cont); |
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33 | foreach ($ary as $n => $a) { |
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34 | $c = substr($a, 0, 1); |
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35 | $c2 = substr($a, 0, 2); |
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36 | $c3 = substr($a, 0, 3); |
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37 | |||
38 | echo '<code>'; |
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39 | if (($c3 == '+++') || ($c3 == '---')) { |
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40 | echo '<b><font color="gray">'.html_format($a).'</font></b>'; |
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41 | } else if ($c2 == '@@') { |
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42 | echo '<b><font color="blue">'.html_format($a).'</font></b>'; |
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43 | } else if ($c == '+') { |
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44 | echo '<font color="green">'.html_format($a).'</font>'; |
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45 | } else if ($c == '-') { |
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46 | echo '<font color="red">'.html_format($a).'</font>'; |
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47 | } else { |
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48 | echo html_format($a); |
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49 | } |
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50 | echo "</code><br />\n"; |
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51 | } |
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52 | } |
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53 | |||
54 | function output_diff($fileA, $fileB, $num_lines=3) { |
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55 | $fileA = realpath($fileA); |
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56 | $fileB = realpath($fileB); |
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57 | |||
58 | ob_start(); |
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59 | system("diff -wbB --ignore-blank-lines ".escapeshellarg($fileA)." ".escapeshellarg($fileB)); |
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60 | $cont = ob_get_contents(); |
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61 | ob_end_clean(); |
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62 | |||
63 | $ary = explode("\n", $cont); |
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64 | foreach ($ary as $n => $a) { |
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65 | $c = substr($a, 0, 1); |
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66 | |||
67 | echo '<code>'; |
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68 | if (($c == '>') || ($c == '<')) { |
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69 | echo '<b><font color="blue">'.html_format($c).'</font></b>'.html_format(substr($a, 1)); |
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70 | } else { |
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71 | echo '<b><font color="blue">'.html_format($a).'</font></b>'; |
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72 | } |
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73 | echo "</code><br />\n"; |
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74 | } |
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75 | } |
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76 | |||
77 | function html_format($x) { |
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78 | $x = htmlentities($x); |
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79 | $x = str_replace("\t", str_repeat(' ', TABS_WS), $x); |
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80 | $x = str_replace(' ', ' ', $x); |
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81 | return $x; |
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82 | } |