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#ifndef FUNCTIONMANAGERIMPL_H
#define FUNCTIONMANAGERIMPL_H
#include "services/functionmanager.h"
#include <QCryptographicHash>
class SqlFunctionPlugin;
class Plugin;
class PluginType;
class API_EXPORT FunctionManagerImpl : public FunctionManager
{
Q_OBJECT
public:
FunctionManagerImpl();
void setScriptFunctions(const QList<ScriptFunction*>& newFunctions);
QList<ScriptFunction*> getAllScriptFunctions() const;
QList<ScriptFunction*> getScriptFunctionsForDatabase(const QString& dbName) const;
QList<NativeFunction*> getAllNativeFunctions() const;
QVariant evaluateScalar(const QString& name, int argCount, const QList<QVariant>& args, Db* db, bool& ok);
void evaluateAggregateInitial(const QString& name, int argCount, Db* db, QHash<QString, QVariant>& aggregateStorage);
void evaluateAggregateStep(const QString& name, int argCount, const QList<QVariant>& args, Db* db, QHash<QString, QVariant>& aggregateStorage);
QVariant evaluateAggregateFinal(const QString& name, int argCount, Db* db, bool& ok, QHash<QString, QVariant>& aggregateStorage);
QVariant evaluateScriptScalar(ScriptFunction* func, const QString& name, int argCount, const QList<QVariant>& args, Db* db, bool& ok);
void evaluateScriptAggregateInitial(ScriptFunction* func, Db* db,
QHash<QString, QVariant>& aggregateStorage);
void evaluateScriptAggregateStep(ScriptFunction* func, const QList<QVariant>& args, Db* db,
QHash<QString, QVariant>& aggregateStorage);
QVariant evaluateScriptAggregateFinal(ScriptFunction* func, const QString& name, int argCount, Db* db, bool& ok,
QHash<QString, QVariant>& aggregateStorage);
QVariant evaluateNativeScalar(NativeFunction* func, const QList<QVariant>& args, Db* db, bool& ok);
private:
struct Key
{
Key();
Key(FunctionBase* function);
QString name;
int argCount;
FunctionBase::Type type;
};
friend int qHash(const FunctionManagerImpl::Key& key);
friend bool operator==(const FunctionManagerImpl::Key& key1, const FunctionManagerImpl::Key& key2);
void init();
void initNativeFunctions();
void refreshFunctionsByKey();
void refreshNativeFunctionsByKey();
void storeInConfig();
void loadFromConfig();
void clearFunctions();
QString cannotFindFunctionError(const QString& name, int argCount);
QString langUnsupportedError(const QString& name, int argCount, const QString& lang);
void registerNativeFunction(const QString& name, const QStringList& args, NativeFunction::ImplementationFunction funcPtr);
QString updateScriptingQtLang(const QString& lang) const;
static QStringList getArgMarkers(int argCount);
static QVariant nativeRegExp(const QList<QVariant>& args, Db* db, bool& ok);
static QVariant nativeSqlFile(const QList<QVariant>& args, Db* db, bool& ok);
static QVariant nativeReadFile(const QList<QVariant>& args, Db* db, bool& ok);
static QVariant nativeWriteFile(const QList<QVariant>& args, Db* db, bool& ok);
static QVariant nativeScript(const QList<QVariant>& args, Db* db, bool& ok);
static QVariant nativeLangs(const QList<QVariant>& args, Db* db, bool& ok);
static QVariant nativeHtmlEscape(const QList<QVariant>& args, Db* db, bool& ok);
static QVariant nativeUrlEncode(const QList<QVariant>& args, Db* db, bool& ok);
static QVariant nativeUrlDecode(const QList<QVariant>& args, Db* db, bool& ok);
static QVariant nativeBase64Encode(const QList<QVariant>& args, Db* db, bool& ok);
static QVariant nativeBase64Decode(const QList<QVariant>& args, Db* db, bool& ok);
static QVariant nativeCryptographicFunction(const QList<QVariant>& args, Db* db, bool& ok, QCryptographicHash::Algorithm algo);
static QVariant nativeMd4(const QList<QVariant>& args, Db* db, bool& ok);
static QVariant nativeMd4Hex(const QList<QVariant>& args, Db* db, bool& ok);
static QVariant nativeMd5(const QList<QVariant>& args, Db* db, bool& ok);
static QVariant nativeMd5Hex(const QList<QVariant>& args, Db* db, bool& ok);
static QVariant nativeSha1(const QList<QVariant>& args, Db* db, bool& ok);
static QVariant nativeSha224(const QList<QVariant>& args, Db* db, bool& ok);
static QVariant nativeSha256(const QList<QVariant>& args, Db* db, bool& ok);
static QVariant nativeSha384(const QList<QVariant>& args, Db* db, bool& ok);
static QVariant nativeSha512(const QList<QVariant>& args, Db* db, bool& ok);
static QVariant nativeSha3_224(const QList<QVariant>& args, Db* db, bool& ok);
static QVariant nativeSha3_256(const QList<QVariant>& args, Db* db, bool& ok);
static QVariant nativeSha3_384(const QList<QVariant>& args, Db* db, bool& ok);
static QVariant nativeSha3_512(const QList<QVariant>& args, Db* db, bool& ok);
static QVariant nativeImport(const QList<QVariant>& args, Db* db, bool& ok);
static QVariant nativeImportFormats(const QList<QVariant>& args, Db* db, bool& ok);
static QVariant nativeImportOptions(const QList<QVariant>& args, Db* db, bool& ok);
static QVariant nativeCharsets(const QList<QVariant>& args, Db* db, bool& ok);
QList<ScriptFunction*> functions;
QHash<Key,ScriptFunction*> functionsByKey;
QList<NativeFunction*> nativeFunctions;
QHash<Key,NativeFunction*> nativeFunctionsByKey;
};
int qHash(const FunctionManagerImpl::Key& key);
bool operator==(const FunctionManagerImpl::Key& key1, const FunctionManagerImpl::Key& key2);
#endif // FUNCTIONMANAGERIMPL_H
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