1 | <?php |
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2 | |
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3 | class str_tab |
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4 | { |
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5 | |
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6 | function tab_to_str($TAB) { return $this->_tab_to_str("", $TAB); } |
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7 | |
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8 | function _tab_to_str($pre, $TAB) |
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9 | { $content = ""; |
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10 | if($TAB) |
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11 | { foreach($TAB as $key => $value) |
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12 | { if(is_array($value)) $content .= $this->_tab_to_str($pre.strlen($key).":".$key, $TAB[$key]); |
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13 | else $content .= $pre.strlen($key).":".$key.strlen($value).":".$value."\n"; |
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14 | } |
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15 | } |
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16 | else return $pre."a:\n"; |
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17 | return $content; |
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18 | } |
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19 | |
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20 | function str_to_tab($content) |
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21 | { $TAB = array(); |
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22 | $n = 0; |
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23 | while($n < strlen($content)) |
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24 | { $LINE_FOUND = 0; |
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25 | $words = array(); |
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26 | while($n < strlen($content) && !$LINE_FOUND) |
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27 | { $length = ""; |
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28 | $word = ""; |
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29 | $ENDS_WITH_EMPTY_TAB = 0; |
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30 | while($n < strlen($content) && strcmp(substr($content, $n, 1), ":") != 0) { $length .= $content[$n]; $n++; } $n++; |
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31 | if(strcmp($length, "a") == 0) $ENDS_WITH_EMPTY_TAB = 1; |
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32 | else |
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33 | { for($k = 0; $k < $length; $k++) { $word .= $content[$n]; $n++; } |
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34 | $words[] = $word; |
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35 | } |
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36 | $LINE_FOUND = $ENDS_WITH_EMPTY_TAB || $n == strlen($content) || strcmp(substr($content, $n, 1), "\n") == 0; |
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37 | } |
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38 | $n++; |
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39 | if($words) $TAB = $this->affect($TAB, $words, $ENDS_WITH_EMPTY_TAB); |
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40 | } |
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41 | return $TAB; |
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42 | } |
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43 | |
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44 | function affect($TAB, $words, $ENDS_WITH_EMPTY_TAB) |
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45 | { if(count($words) > ($ENDS_WITH_EMPTY_TAB ? 1 : 2)) |
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46 | { if(!isset($TAB[$words[0]]) || !is_array($TAB[$words[0]])) $TAB[$words[0]] = array(); |
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47 | $_words = array(); |
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48 | $FIRST = 1; |
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49 | foreach($words as $word) |
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50 | { if($FIRST) $FIRST = 0; |
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51 | else $_words[] = $word; |
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52 | } |
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53 | $TAB[$words[0]] = $this->affect($TAB[$words[0]], $_words, $ENDS_WITH_EMPTY_TAB); |
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54 | } |
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55 | else $TAB[$words[0]] = ($ENDS_WITH_EMPTY_TAB ? array() : $words[1]); |
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56 | return $TAB; |
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57 | } |
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58 | |
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59 | function str_to_hex($str) |
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60 | { $hex = ""; |
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61 | $n = 0; |
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62 | while($n < strlen($str)) |
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63 | { $hex_char = dechex(ord($str[$n])); |
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64 | if(strlen($hex_char) == 1) $hex_char = "0".$hex_char; |
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65 | $hex .= $hex_char; |
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66 | $n++; |
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67 | } |
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68 | return $hex; |
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69 | } |
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70 | |
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71 | function hex_to_str($hex) |
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72 | { $n = 0; |
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73 | $str = ""; |
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74 | while($n + 2 <= strlen($hex)) { $str .= urldecode("%".substr($hex, $n, 2)); $n += 2; } |
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75 | return $str; |
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76 | } |
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77 | |
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78 | function request_tab($str) { return $this->str_to_tab($this->hex_to_str(utf8_decode($str))); } |
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79 | |
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80 | function response_str($TAB) { return $this->str_to_hex($this->tab_to_str($TAB)); } |
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81 | |
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82 | } |
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83 | |
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84 | ?> |
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