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[6827] Added an interface for defining custom SQLStorage loaders.

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This commit is contained in:
Wyk3d 2008-11-15 20:30:06 +02:00
parent b195eb87a9
commit 074bd3a08f
8 changed files with 294 additions and 136 deletions
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64
src/shared/Database/SQLStorage.h
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@ -24,18 +24,26 @@
class SQLStorage
{
template<class T>
friend struct SQLStorageLoaderBase;
public:
SQLStorage(const char*fmt,const char * _entry_field,const char * sqlname)
SQLStorage(const char* fmt, const char * _entry_field, const char * sqlname)
{
format=fmt;
entry_field = _entry_field;
table=sqlname;
data=NULL;
pIndex=NULL;
iNumFields =strlen(fmt);
MaxEntry = 0;
src_format = fmt;
dst_format = fmt;
init(_entry_field, sqlname);
}
SQLStorage(const char* src_fmt, const char* dst_fmt, const char * _entry_field, const char * sqlname)
{
src_format = src_fmt;
dst_format = dst_fmt;
init(_entry_field, sqlname);
}
~SQLStorage()
{
Free();
@ -54,15 +62,53 @@ class SQLStorage
uint32 RecordCount;
uint32 MaxEntry;
uint32 iNumFields;
void Load();
void Free();
private:
void init(const char * _entry_field, const char * sqlname)
{
entry_field = _entry_field;
table=sqlname;
data=NULL;
pIndex=NULL;
iNumFields = strlen(src_format);
MaxEntry = 0;
}
char** pIndex;
char *data;
const char *format;
const char *src_format;
const char *dst_format;
const char *table;
const char *entry_field;
//bool HasString;
};
template <class T>
struct SQLStorageLoaderBase
{
public:
void Load(SQLStorage &storage);
template<class S, class D>
void convert(uint32 field_pos, S src, D &dst);
template<class S>
void convert_to_str(uint32 field_pos, S src, char * & dst);
template<class D>
void convert_from_str(uint32 field_pos, char * src, D& dst);
void convert_str_to_str(uint32 field_pos, char *src, char *&dst);
private:
template<class V>
void storeValue(V value, SQLStorage &store, char *p, int x, uint32 &offset);
void storeValue(char * value, SQLStorage &store, char *p, int x, uint32 &offset);
};
struct SQLStorageLoader : public SQLStorageLoaderBase<SQLStorageLoader>
{
};
#endif