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#ifndef __CONFIG_VALUES_HPP
#define __CONFIG_VALUES_HPP
#include <ndb_types.h>
#include <UtilBuffer.hpp>
class ConfigValues {
friend class ConfigValuesFactory;
ConfigValues(Uint32 sz, Uint32 data);
public:
~ConfigValues();
enum ValueType {
InvalidType = 0,
IntType = 1,
StringType = 2,
SectionType = 3,
Int64Type = 4
};
struct Entry {
Uint32 m_key;
ValueType m_type;
union {
Uint32 m_int;
Uint64 m_int64;
const char * m_string;
};
};
class ConstIterator {
friend class ConfigValuesFactory;
const ConfigValues & m_cfg;
protected:
Uint32 m_currentSection;
public:
ConstIterator(const ConfigValues&c) : m_cfg(c) { m_currentSection = 0;}
bool openSection(Uint32 key, Uint32 no);
bool closeSection();
bool get(Uint32 key, Entry *) const;
bool get(Uint32 key, Uint32 * value) const;
bool get(Uint32 key, Uint64 * value) const;
bool get(Uint32 key, const char ** value) const;
bool getTypeOf(Uint32 key, ValueType * type) const;
Uint32 get(Uint32 key, Uint32 notFound) const;
Uint64 get64(Uint32 key, Uint64 notFound) const;
const char * get(Uint32 key, const char * notFound) const;
ValueType getTypeOf(Uint32 key) const;
};
class Iterator : public ConstIterator {
ConfigValues & m_cfg;
public:
Iterator(ConfigValues&c) : ConstIterator(c), m_cfg(c) {}
bool set(Uint32 key, Uint32 value);
bool set(Uint32 key, Uint64 value);
bool set(Uint32 key, const char * value);
};
Uint32 getPackedSize() const; // get size in bytes needed to pack
Uint32 pack(UtilBuffer&) const;
Uint32 pack(void * dst, Uint32 len) const;// pack into dst(of len %d);
private:
friend class Iterator;
friend class ConstIterator;
bool getByPos(Uint32 pos, Entry *) const;
Uint64 * get64(Uint32 index) const;
char ** getString(Uint32 index) const;
Uint32 m_size;
Uint32 m_dataSize;
Uint32 m_stringCount;
Uint32 m_int64Count;
Uint32 m_values[1];
void * m_data[1];
};
class ConfigValuesFactory {
Uint32 m_currentSection;
public:
Uint32 m_sectionCounter;
Uint32 m_freeKeys;
Uint32 m_freeData;
public:
ConfigValuesFactory(Uint32 keys = 50, Uint32 data = 10); // Initial
ConfigValuesFactory(ConfigValues * m_cfg); //
ConfigValues * m_cfg;
ConfigValues * getConfigValues();
bool openSection(Uint32 key, Uint32 no);
bool put(const ConfigValues::Entry & );
bool put(Uint32 key, Uint32 value);
bool put64(Uint32 key, Uint64 value);
bool put(Uint32 key, const char * value);
bool closeSection();
void expand(Uint32 freeKeys, Uint32 freeData);
void shrink();
bool unpack(const UtilBuffer&);
bool unpack(const void * src, Uint32 len);
static ConfigValues * extractCurrentSection(const ConfigValues::ConstIterator &);
private:
static ConfigValues * create(Uint32 keys, Uint32 data);
void put(const ConfigValues & src);
};
inline
bool
ConfigValues::ConstIterator::get(Uint32 key, Uint32 * value) const {
Entry tmp;
if(get(key, &tmp) && tmp.m_type == IntType){
* value = tmp.m_int;
return true;
}
return false;
}
inline
bool
ConfigValues::ConstIterator::get(Uint32 key, Uint64 * value) const {
Entry tmp;
if(get(key, &tmp) && tmp.m_type == Int64Type){
* value = tmp.m_int64;
return true;
}
return false;
}
inline
bool
ConfigValues::ConstIterator::get(Uint32 key, const char ** value) const {
Entry tmp;
if(get(key, &tmp) && tmp.m_type == StringType){
* value = tmp.m_string;
return true;
}
return false;
}
inline
bool
ConfigValues::ConstIterator::getTypeOf(Uint32 key, ValueType * type) const{
Entry tmp;
if(get(key, &tmp)){
* type = tmp.m_type;
return true;
}
return false;
}
inline
Uint32
ConfigValues::ConstIterator::get(Uint32 key, Uint32 notFound) const {
Entry tmp;
if(get(key, &tmp) && tmp.m_type == IntType){
return tmp.m_int;
}
return notFound;
}
inline
Uint64
ConfigValues::ConstIterator::get64(Uint32 key, Uint64 notFound) const {
Entry tmp;
if(get(key, &tmp) && tmp.m_type == Int64Type){
return tmp.m_int64;
}
return notFound;
}
inline
const char *
ConfigValues::ConstIterator::get(Uint32 key, const char * notFound) const {
Entry tmp;
if(get(key, &tmp) && tmp.m_type == StringType){
return tmp.m_string;
}
return notFound;
}
inline
ConfigValues::ValueType
ConfigValues::ConstIterator::getTypeOf(Uint32 key) const{
Entry tmp;
if(get(key, &tmp)){
return tmp.m_type;
}
return ConfigValues::InvalidType;
}
inline
bool
ConfigValuesFactory::put(Uint32 key, Uint32 val){
ConfigValues::Entry tmp;
tmp.m_key = key;
tmp.m_type = ConfigValues::IntType;
tmp.m_int = val;
return put(tmp);
}
inline
bool
ConfigValuesFactory::put64(Uint32 key, Uint64 val){
ConfigValues::Entry tmp;
tmp.m_key = key;
tmp.m_type = ConfigValues::Int64Type;
tmp.m_int64 = val;
return put(tmp);
}
inline
bool
ConfigValuesFactory::put(Uint32 key, const char * val){
ConfigValues::Entry tmp;
tmp.m_key = key;
tmp.m_type = ConfigValues::StringType;
tmp.m_string = val;
return put(tmp);
}
inline
Uint32
ConfigValues::pack(UtilBuffer& buf) const {
Uint32 len = getPackedSize();
void * tmp = buf.append(len);
if(tmp == 0){
return 0;
}
return pack(tmp, len);
}
inline
bool
ConfigValuesFactory::unpack(const UtilBuffer& buf){
return unpack(buf.get_data(), buf.length());
}
#endif
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