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#ifndef INSPIRCD_SQLAPI_2
#define INSPIRCD_SQLAPI_2
#define SQLREQID "SQLv2 Request"
#define SQLRESID "SQLv2 Result"
#define SQLSUCCESS "You shouldn't be reading this (success)"
#include <string>
#include <vector>
#include <map>
#include "modules.h"
enum SQLerrorNum { NO_ERROR, BAD_DBID, BAD_CONN, QSEND_FAIL };
class SQLexception
{
};
class SQLbadColName : public SQLexception
{
public:
SQLbadColName() { }
};
class SQLerror : public classbase
{
SQLerrorNum id;
std::string str;
public:
SQLerror(SQLerrorNum i = NO_ERROR, const std::string &s = "")
: id(i), str(s)
{
}
SQLerrorNum Id()
{
return id;
}
SQLerrorNum Id(SQLerrorNum i)
{
id = i;
return id;
}
void Str(const std::string &s)
{
str = s;
}
const char* Str()
{
if(str.length())
return str.c_str();
switch(id)
{
case NO_ERROR:
return "No error";
case BAD_DBID:
return "Invalid database ID";
case BAD_CONN:
return "Invalid connection";
case QSEND_FAIL:
return "Sending query failed";
default:
return "Unknown error";
}
}
};
class SQLrequest : public Request
{
public:
std::string query;
std::string dbid;
bool pri;
unsigned long id;
SQLerror error;
SQLrequest(Module* s, Module* d, const std::string &q, const std::string &id, bool p = false)
: Request(SQLREQID, s, d), query(q), dbid(id), pri(p), id(0)
{
}
void SetSource(Module* mod)
{
source = mod;
}
};
class SQLfield
{
public:
/* The data itself */
std::string d;
/* If the field was null */
bool null;
SQLfield(const std::string &data, bool n)
: d(data), null(n)
{
}
};
typedef std::vector<SQLfield> SQLfieldList;
typedef std::map<std::string, SQLfield> SQLfieldMap;
class SQLresult : public Request
{
public:
std::string query;
std::string dbid;
SQLerror error;
SQLresult(Module* s, Module* d)
: Request(SQLRESID, s, d)
{
}
/* Return the number of rows in the result */
virtual int Rows() = 0;
/* Return the number of columns in the result */
virtual int Cols() = 0;
/* Get a string name of the column by an index number */
virtual std::string ColName(int column) = 0;
/* Get an index number for a column from a string name.
* An exception of type SQLbadColName will be thrown if
* the name given is invalid.
*/
virtual int ColNum(const std::string &column) = 0;
/* Get a string value in a given row and column */
virtual SQLfield GetValue(int row, int column) = 0;
/* Return a list of values in a row, this should
* increment an internal counter so you can repeatedly
* call it until it returns an empty vector.
* This returns a reference to an internal object,
* the same object is used for all calls to this function
* and therefore the return value is only valid until
* you call this function again. It is also invalid if
* the SQLresult object is destroyed.
*/
virtual SQLfieldList& GetRow() = 0;
/* As above, but return a map indexed by key name */
virtual SQLfieldMap& GetRowMap() = 0;
/* Like GetRow(), but returns a pointer to a dynamically
* allocated object which must be explicitly freed. For
* portability reasons this must be freed with SQLresult::Free()
*/
virtual SQLfieldList* GetRowPtr() = 0;
/* As above, but return a map indexed by key name */
virtual SQLfieldMap* GetRowMapPtr() = 0;
/* Overloaded function for freeing the lists and maps returned
* above.
*/
virtual void Free(SQLfieldMap* fm) = 0;
virtual void Free(SQLfieldList* fl) = 0;
};
#endif
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