1 | <?php |
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2 | /* |
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3 | V4.51 29 July 2004 (c) 2000-2004 John Lim (jlim@natsoft.com.my). All rights reserved. |
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4 | Released under both BSD license and Lesser GPL library license. |
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5 | Whenever there is any discrepancy between the two licenses, |
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6 | the BSD license will take precedence. |
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7 | Set tabs to 4. |
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8 | |
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9 | Currently unsupported: MetaDatabases, MetaTables and MetaColumns, and also inputarr in Execute. |
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10 | Native types have been converted to MetaTypes. |
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11 | Transactions not supported yet. |
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12 | */ |
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13 | |
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14 | // security - hide paths |
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15 | if (!defined('ADODB_DIR')) die(); |
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16 | |
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17 | if (! defined("_ADODB_CSV_LAYER")) { |
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18 | define("_ADODB_CSV_LAYER", 1 ); |
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19 | |
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20 | include_once(ADODB_DIR.'/adodb-csvlib.inc.php'); |
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21 | |
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22 | class ADODB_csv extends ADOConnection { |
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23 | var $databaseType = 'csv'; |
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24 | var $databaseProvider = 'csv'; |
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25 | var $hasInsertID = true; |
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26 | var $hasAffectedRows = true; |
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27 | var $fmtTimeStamp = "'Y-m-d H:i:s'"; |
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28 | var $_affectedrows=0; |
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29 | var $_insertid=0; |
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30 | var $_url; |
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31 | var $replaceQuote = "''"; // string to use to replace quotes |
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32 | var $hasTransactions = false; |
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33 | var $_errorNo = false; |
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34 | |
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35 | function ADODB_csv() |
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36 | { |
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37 | } |
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38 | |
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39 | function _insertid() |
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40 | { |
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41 | return $this->_insertid; |
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42 | } |
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43 | |
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44 | function _affectedrows() |
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45 | { |
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46 | return $this->_affectedrows; |
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47 | } |
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48 | |
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49 | function &MetaDatabases() |
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50 | { |
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51 | return false; |
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52 | } |
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53 | |
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54 | |
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55 | // returns true or false |
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56 | function _connect($argHostname, $argUsername, $argPassword, $argDatabasename) |
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57 | { |
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58 | if (strtolower(substr($argHostname,0,7)) !== 'http://') return false; |
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59 | $this->_url = $argHostname; |
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60 | return true; |
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61 | } |
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62 | |
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63 | // returns true or false |
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64 | function _pconnect($argHostname, $argUsername, $argPassword, $argDatabasename) |
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65 | { |
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66 | if (strtolower(substr($argHostname,0,7)) !== 'http://') return false; |
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67 | $this->_url = $argHostname; |
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68 | return true; |
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69 | } |
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70 | |
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71 | function &MetaColumns($table) |
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72 | { |
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73 | return false; |
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74 | } |
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75 | |
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76 | |
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77 | // parameters use PostgreSQL convention, not MySQL |
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78 | function &SelectLimit($sql,$nrows=-1,$offset=-1) |
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79 | { |
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80 | global $ADODB_FETCH_MODE; |
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81 | |
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82 | $url = $this->_url.'?sql='.urlencode($sql)."&nrows=$nrows&fetch=". |
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83 | (($this->fetchMode !== false)?$this->fetchMode : $ADODB_FETCH_MODE). |
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84 | "&offset=$offset"; |
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85 | $err = false; |
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86 | $rs = csv2rs($url,$err,false); |
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87 | |
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88 | if ($this->debug) print "$url<br><i>$err</i><br>"; |
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89 | |
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90 | $at = strpos($err,'::::'); |
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91 | if ($at === false) { |
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92 | $this->_errorMsg = $err; |
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93 | $this->_errorNo = (integer)$err; |
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94 | } else { |
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95 | $this->_errorMsg = substr($err,$at+4,1024); |
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96 | $this->_errorNo = -9999; |
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97 | } |
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98 | if ($this->_errorNo) |
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99 | if ($fn = $this->raiseErrorFn) { |
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100 | $fn($this->databaseType,'EXECUTE',$this->ErrorNo(),$this->ErrorMsg(),$sql,''); |
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101 | } |
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102 | |
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103 | if (is_object($rs)) { |
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104 | |
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105 | $rs->databaseType='csv'; |
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106 | $rs->fetchMode = ($this->fetchMode !== false) ? $this->fetchMode : $ADODB_FETCH_MODE; |
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107 | $rs->connection = &$this; |
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108 | } |
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109 | return $rs; |
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110 | } |
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111 | |
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112 | // returns queryID or false |
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113 | function &_Execute($sql,$inputarr=false) |
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114 | { |
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115 | global $ADODB_FETCH_MODE; |
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116 | |
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117 | if (!$this->_bindInputArray && $inputarr) { |
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118 | $sqlarr = explode('?',$sql); |
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119 | $sql = ''; |
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120 | $i = 0; |
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121 | foreach($inputarr as $v) { |
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122 | |
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123 | $sql .= $sqlarr[$i]; |
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124 | if (gettype($v) == 'string') |
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125 | $sql .= $this->qstr($v); |
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126 | else if ($v === null) |
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127 | $sql .= 'NULL'; |
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128 | else |
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129 | $sql .= $v; |
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130 | $i += 1; |
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131 | |
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132 | } |
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133 | $sql .= $sqlarr[$i]; |
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134 | if ($i+1 != sizeof($sqlarr)) |
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135 | print "Input Array does not match ?: ".htmlspecialchars($sql); |
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136 | $inputarr = false; |
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137 | } |
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138 | |
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139 | $url = $this->_url.'?sql='.urlencode($sql)."&fetch=". |
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140 | (($this->fetchMode !== false)?$this->fetchMode : $ADODB_FETCH_MODE); |
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141 | $err = false; |
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142 | |
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143 | |
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144 | $rs = csv2rs($url,$err,false); |
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145 | if ($this->debug) print urldecode($url)."<br><i>$err</i><br>"; |
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146 | $at = strpos($err,'::::'); |
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147 | if ($at === false) { |
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148 | $this->_errorMsg = $err; |
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149 | $this->_errorNo = (integer)$err; |
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150 | } else { |
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151 | $this->_errorMsg = substr($err,$at+4,1024); |
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152 | $this->_errorNo = -9999; |
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153 | } |
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154 | |
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155 | if ($this->_errorNo) |
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156 | if ($fn = $this->raiseErrorFn) { |
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157 | $fn($this->databaseType,'EXECUTE',$this->ErrorNo(),$this->ErrorMsg(),$sql,$inputarr); |
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158 | } |
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159 | if (is_object($rs)) { |
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160 | $rs->fetchMode = ($this->fetchMode !== false) ? $this->fetchMode : $ADODB_FETCH_MODE; |
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161 | |
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162 | $this->_affectedrows = $rs->affectedrows; |
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163 | $this->_insertid = $rs->insertid; |
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164 | $rs->databaseType='csv'; |
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165 | $rs->connection = &$this; |
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166 | } |
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167 | return $rs; |
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168 | } |
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169 | |
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170 | /* Returns: the last error message from previous database operation */ |
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171 | function ErrorMsg() |
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172 | { |
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173 | return $this->_errorMsg; |
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174 | } |
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175 | |
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176 | /* Returns: the last error number from previous database operation */ |
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177 | function ErrorNo() |
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178 | { |
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179 | return $this->_errorNo; |
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180 | } |
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181 | |
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182 | // returns true or false |
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183 | function _close() |
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184 | { |
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185 | return true; |
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186 | } |
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187 | } // class |
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188 | |
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189 | class ADORecordset_csv extends ADORecordset { |
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190 | function ADORecordset_csv($id,$mode=false) |
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191 | { |
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192 | $this->ADORecordset($id,$mode); |
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193 | } |
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194 | |
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195 | function _close() |
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196 | { |
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197 | return true; |
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198 | } |
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199 | } |
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200 | |
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201 | } // define |
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202 | |
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203 | ?> |
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