55 Zeilen
1.8 KiB
PHP
55 Zeilen
1.8 KiB
PHP
<?php
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class pimSqlParser {
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public static function removeComments($sSqlData) {
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$sRegEx = '@(([\'"]).*?[^\\\]\2)|((?:\#|--).*?$|/\*(?:[^/*]|/(?!\*)|\*(?!/)|(?R))*\*\/)\s*|(?<=;)\s+@ms';
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$sCleanSqlData = trim(preg_replace($sRegEx, '$1', $sSqlData));
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//Eventually remove the last ;
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if(strrpos($sCleanSqlData, ";") === strlen($sCleanSqlData) - 1) {
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$sCleanSqlData = substr($sCleanSqlData, 0, strlen($sCleanSqlData) - 1);
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}
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return $sCleanSqlData;
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}
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public static function replacePlaceholder($sData) {
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return str_replace(pimSetupBase::PIM_SQL_PLACEHOLDER, cRegistry::getConfigValue('sql', 'sqlprefix')."_pi", $sData);
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}
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public static function parse($sSqlData) {
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$aSingleQueries = array();
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$sSqlData = pimSqlParser::replacePlaceholder($sSqlData);
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// Processing the SQL file content
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$lines = explode("\n", $sSqlData);
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$sQuery = "";
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// Parsing the SQL file content
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foreach ($lines as $sql_line):
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$sql_line = trim($sql_line);
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if($sql_line === "") continue;
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else if(strpos($sql_line, "--") === 0) continue;
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else if(strpos($sql_line, "#") === 0) continue;
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$sQuery .= $sql_line;
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// Checking whether the line is a valid statement
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if (preg_match("/(.*);/", $sql_line)) {
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$sQuery = trim($sQuery);
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$sQuery = substr($sQuery, 0, strlen($sQuery) - 1);
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$sQuery = pimSqlParser::removeComments($sQuery);
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//store this query
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$aSingleQueries[] = $sQuery;
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//reset the variable
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$sQuery = "";
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}
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endforeach;
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return $aSingleQueries;
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}
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} |