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merge changes of luminous to maserati (~r12676)

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git-svn-id: http://xe-core.googlecode.com/svn/branches/maserati@12680 201d5d3c-b55e-5fd7-737f-ddc643e51545
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flyskyko 2013-02-04 08:09:07 +00:00
commit 0f04bd3f92
50 changed files with 784 additions and 265 deletions
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125
classes/xml/xmlquery/DBParser.class.php
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@ -1,33 +1,59 @@
<?php
/**
* DBParser class
* @author NHN (developers@xpressengine.com)
* @package /classes/xml/xmlquery
* File containing the DBParser class
*/
/**
* Escapes query statements: <br />
* - column names: member.member_srl =&gt; "member"."member_srl" <br />
* - expressions: SUM(member.member_srl) =&gt; SUM("member"."member_srl") <br />
*
* @author Corina Udrescu (corina.udrescu@arnia.ro)
* @package classes\xml\xmlquery
* @version 0.1
*/
class DBParser
{
/**
* Character for escape target value on the left
*
* For example, in CUBRID left and right escape
* chars are the same, the double quote - " <br />
* But for SQL Server, the escape is made with
* [double brackets], so the left and right char differ
*
*
* @var string
*/
var $escape_char_left;
/**
* Character for escape target value on the right
*
* For example, in CUBRID left and right escape
* chars are the same, the double quote - " <br />
* But for SQL Server, the escape is made with
* [double brackets], so the left and right char differ
*
* @var string
*/
var $escape_char_right;
/**
* Table prefix string
*
* Default is "xe_"
*
* @var string
*/
var $table_prefix;
/**
* constructor
* Constructor
*
* @param string $escape_char_left
* @param string $escape_char_right
* @param string $table_prefix
*
* @return void
*/
function DBParser($escape_char_left, $escape_char_right = "", $table_prefix = "xe_")
@ -40,6 +66,7 @@ class DBParser
/**
* Get escape character
*
* @param string $leftOrRight left or right
* @return string
*/
@ -50,17 +77,19 @@ class DBParser
}
/**
* escape the value
* Escape the value
*
* @param mixed $name
* @return string
*/
function escape($name)
{
return $this->escape_char_left . $name . $this->escape_char_right;
}
}
/**
* escape the string value
* Escape the string value
*
* @param string $name
* @return string
*/
@ -70,7 +99,8 @@ class DBParser
}
/**
* escape the string value
* Escape the string value
*
* @param string $value
* @return string
*/
@ -83,7 +113,9 @@ class DBParser
/**
* Return table full name
*
* @param string $name table name without table prefix
*
* @return string table full name with table prefix
*/
function parseTableName($name)
@ -92,8 +124,10 @@ class DBParser
}
/**
* Return colmun name after escape
* Return column name after escape
*
* @param string $name column name before escape
*
* @return string column name after escape
*/
function parseColumnName($name)
@ -102,7 +136,8 @@ class DBParser
}
/**
* Escape column
* Escape column name
*
* @param string $column_name
* @return string column name with db name
*/
@ -120,27 +155,53 @@ class DBParser
}
/**
* Column name is suitable for use in checking
* Checks to see if a given column name is unqualified
*
* Ex: "member_srl" -> unqualified <br />
* "member"."member_srl" -> qualified
*
* @param string $column_name
* @return bool
*/
function isUnqualifiedColumnName($column_name)
{
if(strpos($column_name,'.')===false && strpos($column_name,'(')===false) return true;
return false;
if(strpos($column_name,'.')===FALSE && strpos($column_name,'(')===FALSE) return TRUE;
return FALSE;
}
/**
* Column name is suitable for use in checking
* Checks to see if a given column name is qualified
*
* Ex: "member_srl" -> unqualified <br />
* "member"."member_srl" -> qualified
*
* @param string $column_name
* @return bool
*/
function isQualifiedColumnName($column_name)
{
if(strpos($column_name,'.')!==false && strpos($column_name,'(')===false) return true;
return false;
if(strpos($column_name,'.')!==FALSE && strpos($column_name,'(')===FALSE) return TRUE;
return FALSE;
}
/**
* Escapes a query expression
*
* An expression can be: <br />
* <ul>
* <li> a column name: "member_srl" or "xe_member"."member_srl"
* <li> an expression:
* <ul>
* <li> LEFT(UPPER("content")) <br />
* <li> readed_count + voted_count <br />
* <li> CAST(regdate as DATE) </li>
* </ul>
* </li>
* </ul>
*
* @param $column_name
* @return string
*/
function parseExpression($column_name)
{
$functions = preg_split('/([\+\-\*\/\ ])/', $column_name, -1, PREG_SPLIT_DELIM_CAPTURE|PREG_SPLIT_NO_EMPTY);
@ -156,45 +217,47 @@ class DBParser
{
$match = &$matches[$i];
if($match == '(') {$brackets++; continue;}
if(strpos($match,')') !== false) continue;
if(strpos($match,')') !== FALSE) continue;
if(in_array($match, array(',', '.'))) continue;
if($brackets == $total_brackets)
{
if(!is_numeric($match))
if(!is_numeric($match) && !in_array(strtoupper($match), array('UNSIGNED', 'INTEGER', 'AS')))
{
$match = $this->escapeColumnExpression($match);
}
}
}
$function = implode('', $matches);
}
return implode('', $functions);
}
return implode('', $functions);
}
/*
* Checks argument is asterisk
/**
* Checks if a given argument is an asterisk
*
* @param string $column_name
* @return bool
*/
function isStar($column_name)
{
if(substr($column_name,-1) == '*') return true;
return false;
if(substr($column_name,-1) == '*') return TRUE;
return FALSE;
}
/*
/**
* Checks to see if expression is an aggregate star function
* like count(*)
*
* @param string $column_name
* @return bool
*/
function isStarFunction($column_name)
{
if(strpos($column_name, "(*)")!==false) return true;
return false;
if(strpos($column_name, "(*)")!==FALSE) return TRUE;
return FALSE;
}
/*
/**
* Return column name after escape
* @param string $column_name
* @return string
@ -206,9 +269,9 @@ class DBParser
{
return $column_name;
}
if(strpos(strtolower($column_name), 'distinct') !== false) return $column_name;
return $this->escapeColumn($column_name);
}
if(strpos(strtolower($column_name), 'distinct') !== FALSE) return $column_name;
return $this->escapeColumn($column_name);
}
}
/* End of file DBParser.class.php */
/* Location: ./classes/xml/xmlquery/DBParser.class.php */