mirror of
https://github.com/Kiritow/MiniEngine.git
synced 2024-03-22 13:11:22 +08:00
Remove XMLController. Add more functions to XMLDB
This commit is contained in:
parent
93b2edf0f0
commit
823cda5175
|
|
@ -15,7 +15,7 @@ XMLDB::~XMLDB()
|
|||
close();
|
||||
}
|
||||
|
||||
int XMLDB::open(const std::string& XMLFileName)
|
||||
int XMLDB::open(const std::string& XMLFileName,bool saveOnClose)
|
||||
{
|
||||
if(_opened) return -2;
|
||||
|
||||
|
|
@ -23,9 +23,12 @@ int XMLDB::open(const std::string& XMLFileName)
|
|||
{
|
||||
rapidxml::file<> temp(XMLFileName.c_str());
|
||||
_doc.parse<0>(temp.data());
|
||||
_rootnode=_doc.first_node("Database");
|
||||
_dbinfo=_rootnode->first_node("DBInfo");
|
||||
_filename=XMLFileName;
|
||||
_opened=true;
|
||||
_changed=false;
|
||||
_autosave_onclose=saveOnClose;
|
||||
}
|
||||
catch(...)
|
||||
{
|
||||
|
|
@ -35,12 +38,35 @@ int XMLDB::open(const std::string& XMLFileName)
|
|||
return 0;
|
||||
}
|
||||
|
||||
int XMLDB::create(const std::string& XMLFileName)
|
||||
{
|
||||
if(_opened) return -2;
|
||||
_rootnode=_doc.allocate_node(rapidxml::node_element,"Database");
|
||||
_dbinfo=_doc.allocate_node(rapidxml::node_element,"DBInfo");
|
||||
_tbinfo=_doc.allocate_node(rapidxml::node_element,"TableInfo");
|
||||
_tbroot=_doc.allocate_node(rapidxml::node_element,"Tables");
|
||||
|
||||
_dbinfo->append_node(_tbinfo);
|
||||
|
||||
_rootnode->append_node(_dbinfo);
|
||||
_rootnode->append_node(_tbroot);
|
||||
|
||||
_doc.append_node(_rootnode);
|
||||
|
||||
_opened=true;
|
||||
_changed=true;
|
||||
_autosave_onclose=true;
|
||||
_filename=XMLFileName;
|
||||
return 0;
|
||||
}
|
||||
|
||||
int XMLDB::save()
|
||||
{
|
||||
if(!_opened) return -2;
|
||||
if(!_changed) return 0;
|
||||
std::ofstream ofs(_filename);
|
||||
ofs<<_doc;
|
||||
_changed=false;
|
||||
return 0;
|
||||
}
|
||||
|
||||
|
|
@ -48,6 +74,8 @@ int XMLDB::close()
|
|||
{
|
||||
if(!_opened) return 0;
|
||||
|
||||
if(_autosave_onclose) save();
|
||||
|
||||
_doc.clear();
|
||||
_filename.clear();
|
||||
_opened=false;
|
||||
|
|
@ -59,87 +87,65 @@ bool XMLDB::isopen() const
|
|||
return _opened;
|
||||
}
|
||||
|
||||
rapidxml::xml_node<>* XMLDB::getDBroot(const std::string& dbname)
|
||||
void XMLDB::setChanged()
|
||||
{
|
||||
for(rapidxml::xml_node<>* root=_doc.first_node("Database");root!=nullptr;root=root->next_sibling("Database"))
|
||||
{
|
||||
rapidxml::xml_attribute<>* attr=root->first_attribute("name");
|
||||
if(attr==nullptr||dbname!=attr->value()) continue;
|
||||
else return root;
|
||||
_changed=true;
|
||||
}
|
||||
|
||||
return nullptr;
|
||||
// protected
|
||||
bool XMLDB::isNameUnique(const std::string& tbname)
|
||||
{
|
||||
return _tbroot->first_node(tbname.c_str()) == nullptr;
|
||||
}
|
||||
|
||||
int XMLDB::newTB(const std::string& tbname,const std::vector<std::string>& colname)
|
||||
{
|
||||
if(tbname.empty()) return -1;
|
||||
if(!isNameUnique(tbname)) return -2;
|
||||
|
||||
char* stra=_doc.allocate_string(tbname.c_str());
|
||||
node* newtb=_doc.allocate_node(rapidxml::node_element,stra);
|
||||
|
||||
node* newinfo=_doc.allocate_node(rapidxml::node_element,stra);
|
||||
for(size_t i=0;i<colname.size();i++)
|
||||
{
|
||||
newinfo->append_node(_doc.allocate_node(rapidxml::node_element,"col",_doc.allocate_string(colname.at(i).c_str())));
|
||||
}
|
||||
|
||||
_tbinfo->append_node(newinfo);
|
||||
_tbroot->append_node(newtb);
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
int XMLDB::dropTB(const std::string& tbname)
|
||||
{
|
||||
node* tbnode=getTBroot(tbname);
|
||||
_tbroot->remove_node(tbnode);
|
||||
_tbinfo->remove_node(_tbinfo->first_node(tbname.c_str()));
|
||||
setChanged();
|
||||
return 0;
|
||||
}
|
||||
|
||||
int XMLDB::dropAllTB()
|
||||
{
|
||||
_tbroot->remove_all_nodes();
|
||||
_tbinfo->remove_all_nodes();
|
||||
setChanged();
|
||||
return 0;
|
||||
}
|
||||
|
||||
// protected
|
||||
XMLDB::node* XMLDB::getTBroot(const std::string& tbname)
|
||||
{
|
||||
return _tbroot->first_node(tbname.c_str());
|
||||
}
|
||||
|
||||
//experimental
|
||||
rapidxml::xml_document<>* XMLDB::getdoc()
|
||||
{
|
||||
return &_doc;
|
||||
}
|
||||
|
||||
XMLController::XMLController()
|
||||
{
|
||||
_pdb=nullptr;
|
||||
}
|
||||
|
||||
XMLController::~XMLController()
|
||||
{
|
||||
|
||||
}
|
||||
|
||||
int XMLController::connect(const XMLDB& xmldb)
|
||||
{
|
||||
if(!xmldb.isopen())
|
||||
{
|
||||
return -1;
|
||||
}
|
||||
_pdb=const_cast<XMLDB*>(&xmldb);
|
||||
return 0;
|
||||
}
|
||||
|
||||
int XMLController::usedb(const std::string& dbname)
|
||||
{
|
||||
rapidxml::xml_node<>* node=_pdb->getDBroot(dbname);
|
||||
if(node==nullptr)
|
||||
{
|
||||
return -1;
|
||||
}
|
||||
else
|
||||
{
|
||||
_dbroot=node;
|
||||
return 0;
|
||||
}
|
||||
return 0;
|
||||
}
|
||||
|
||||
int XMLController::createdb(const std::string& dbname,std::vector<std::string>& colname)
|
||||
{
|
||||
if(dbname.empty()) return -1;
|
||||
|
||||
if(_pdb->getDBroot(dbname)!=nullptr)
|
||||
{
|
||||
/// Invalid Name (Same as another database).
|
||||
return -2;
|
||||
}
|
||||
rapidxml::xml_node<>* newnode=_pdb->getdoc()->allocate_node(rapidxml::node_element,"Database");
|
||||
if(newnode==nullptr) return -3;
|
||||
rapidxml::xml_attribute<>* newattr=_pdb->getdoc()->allocate_attribute("name",dbname.c_str());
|
||||
if(newattr==nullptr)
|
||||
{
|
||||
/// FIXME: What will happen to newnode?
|
||||
return -4;
|
||||
}
|
||||
rapidxml::xml_node<>* dbinfonode=_pdb->getdoc()->allocate_node(rapidxml::node_element,"DBInfo");
|
||||
if(dbinfonode==nullptr) return -5;
|
||||
for(size_t i=0;i<colname.size();i++)
|
||||
{
|
||||
rapidxml::xml_node<>* ntnode=_pdb->getdoc()->allocate_node(rapidxml::node_element,"colname",colname.at(i).c_str());
|
||||
if(ntnode==nullptr) return -6;
|
||||
dbinfonode->append_node(ntnode);
|
||||
}
|
||||
newnode->append_node(dbinfonode);
|
||||
newnode->append_attribute(newattr);
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
}///End of namespace MiniEngine
|
||||
|
|
|
|||
|
|
@ -15,41 +15,61 @@ namespace MiniEngine
|
|||
class XMLDB : public MiniEngine::NonCopyable
|
||||
{
|
||||
public:
|
||||
typedef rapidxml::xml_node<> node;
|
||||
typedef rapidxml::xml_attribute<> attribute;
|
||||
typedef rapidxml::xml_document<> document;
|
||||
|
||||
XMLDB();
|
||||
~XMLDB();
|
||||
int open(const std::string& XMLFileName);
|
||||
int open(const std::string& XMLFileName,bool saveOnClose);
|
||||
int create(const std::string& XMLFileName);
|
||||
int save();
|
||||
int close();
|
||||
bool isopen() const;
|
||||
|
||||
rapidxml::xml_node<>* getDBroot(const std::string& dbname);
|
||||
/// Create a table with colname, returns table node
|
||||
int newTB(const std::string& tbname,const std::vector<std::string>& colname);
|
||||
/// Insert a col before a index (use -1 for push back)
|
||||
int newTBCol(const std::string& tbname,const std::string& newColname,int insertBefore);
|
||||
|
||||
/// Directly Get Document
|
||||
rapidxml::xml_document<>* getdoc();
|
||||
int newTBRow(const std::string& tbname,const std::vector<std::string>& rowval,int insertBefore);
|
||||
|
||||
int setTBRow(const std::string& tbname,int rowid,const std::vector<std::string>& rowval);
|
||||
|
||||
int getTBRow(const std::string& tbname,int rowid,std::vector<std::string>& out_rowval);
|
||||
|
||||
int dropTBRow(const std::string& tbname,int rowid);
|
||||
|
||||
/// Get Table Col Size
|
||||
int getTBColsize(const std::string& tbname);
|
||||
/// Drop a table
|
||||
int dropTB(const std::string& tbname);
|
||||
/// Drop all table
|
||||
int dropAllTB();
|
||||
|
||||
/// Directly Get Document (Experimental)
|
||||
document* getdoc();
|
||||
/// Announce something changed
|
||||
void setChanged();
|
||||
protected:
|
||||
bool isNameUnique(const std::string& tbname);
|
||||
/// Get root node of a table
|
||||
node* getTBroot(const std::string& tbname);
|
||||
private:
|
||||
rapidxml::xml_document<> _doc;
|
||||
document _doc;
|
||||
|
||||
node* _rootnode;
|
||||
|
||||
node* _dbinfo;
|
||||
node* _tbinfo;
|
||||
|
||||
node* _tbroot;
|
||||
|
||||
bool _changed;
|
||||
bool _opened;
|
||||
bool _autosave_onclose;
|
||||
std::string _filename;
|
||||
};
|
||||
|
||||
class XMLController
|
||||
{
|
||||
public:
|
||||
XMLController();
|
||||
~XMLController();
|
||||
int connect(const XMLDB& xmldb);
|
||||
int usedb(const std::string& dbname);
|
||||
int createdb(const std::string& dbname,std::vector<std::string>& colname);
|
||||
int dropdb(const std::string& dbname);
|
||||
int close();
|
||||
|
||||
int execute(const std::string& command);
|
||||
int execute(const std::string& command,std::vector<std::string>& vec);
|
||||
private:
|
||||
XMLDB* _pdb;
|
||||
std::string _dbname;
|
||||
rapidxml::xml_node<>* _dbroot;
|
||||
};
|
||||
|
||||
}/// End of namespace MiniEngine
|
||||
|
|
|
|||
Loading…
Reference in New Issue
Block a user