Files
foobar2000-sdk/foobar2000/SDK/file_info_impl.h
2021-12-14 00:28:25 -07:00

142 lines
5.2 KiB
C++

#pragma once
namespace file_info_impl_utils {
struct info_entry {
void init(const char * p_name,t_size p_name_len,const char * p_value,t_size p_value_len) {
m_name.set_string(p_name,p_name_len);
m_value.set_string(p_value,p_value_len);
}
inline const char * get_name() const {return m_name;}
inline const char * get_value() const {return m_value;}
pfc::string_simple m_name,m_value;
};
typedef pfc::array_t<info_entry,pfc::alloc_fast> info_entry_array;
}
namespace pfc {
template<> class traits_t<file_info_impl_utils::info_entry> : public traits_t<pfc::string_simple> {};
};
namespace file_info_impl_utils {
class info_storage
{
public:
t_size add_item(const char * p_name,t_size p_name_length,const char * p_value,t_size p_value_length);
void remove_mask(const bit_array & p_mask);
inline t_size get_count() const {return m_info.get_count();}
inline const char * get_name(t_size p_index) const {return m_info[p_index].get_name();}
inline const char * get_value(t_size p_index) const {return m_info[p_index].get_value();}
void copy_from(const file_info & p_info);
private:
info_entry_array m_info;
};
}
namespace file_info_impl_utils {
typedef pfc::array_hybrid_t<pfc::string_simple,1,pfc::alloc_fast > meta_value_array;
struct meta_entry {
meta_entry() {}
meta_entry(const char * p_name,t_size p_name_len,const char * p_value,t_size p_value_len);
void remove_values(const bit_array & p_mask);
void insert_value(t_size p_value_index,const char * p_value,t_size p_value_length);
void modify_value(t_size p_value_index,const char * p_value,t_size p_value_length);
inline const char * get_name() const {return m_name;}
inline const char * get_value(t_size p_index) const {return m_values[p_index];}
inline t_size get_value_count() const {return m_values.get_size();}
pfc::string_simple m_name;
meta_value_array m_values;
};
typedef pfc::array_hybrid_t<meta_entry,10, pfc::alloc_fast> meta_entry_array;
}
namespace pfc {
template<> class traits_t<file_info_impl_utils::meta_entry> : public pfc::traits_combined<pfc::string_simple,file_info_impl_utils::meta_value_array> {};
}
namespace file_info_impl_utils {
class meta_storage
{
public:
t_size add_entry(const char * p_name,t_size p_name_length,const char * p_value,t_size p_value_length);
void insert_value(t_size p_index,t_size p_value_index,const char * p_value,t_size p_value_length);
void modify_value(t_size p_index,t_size p_value_index,const char * p_value,t_size p_value_length);
void remove_values(t_size p_index,const bit_array & p_mask);
void remove_mask(const bit_array & p_mask);
void copy_from(const file_info & p_info);
inline void reorder(const t_size * p_order);
inline t_size get_count() const {return m_data.get_size();}
inline const char * get_name(t_size p_index) const {PFC_ASSERT(p_index < m_data.get_size()); return m_data[p_index].get_name();}
inline const char * get_value(t_size p_index,t_size p_value_index) const {PFC_ASSERT(p_index < m_data.get_size()); return m_data[p_index].get_value(p_value_index);}
inline t_size get_value_count(t_size p_index) const {PFC_ASSERT(p_index < m_data.get_size()); return m_data[p_index].get_value_count();}
private:
meta_entry_array m_data;
};
}
//! Implements file_info.
class file_info_impl : public file_info
{
public:
file_info_impl(const file_info_impl & p_source);
file_info_impl(const file_info & p_source);
file_info_impl();
~file_info_impl();
double get_length() const;
void set_length(double p_length);
void copy_meta(const file_info & p_source);//virtualized for performance reasons, can be faster in two-pass
void copy_info(const file_info & p_source);//virtualized for performance reasons, can be faster in two-pass
t_size meta_get_count() const;
const char* meta_enum_name(t_size p_index) const;
t_size meta_enum_value_count(t_size p_index) const;
const char* meta_enum_value(t_size p_index,t_size p_value_number) const;
t_size meta_set_ex(const char * p_name,t_size p_name_length,const char * p_value,t_size p_value_length);
void meta_insert_value_ex(t_size p_index,t_size p_value_index,const char * p_value,t_size p_value_length);
void meta_remove_mask(const bit_array & p_mask);
void meta_reorder(const t_size * p_order);
void meta_remove_values(t_size p_index,const bit_array & p_mask);
void meta_modify_value_ex(t_size p_index,t_size p_value_index,const char * p_value,t_size p_value_length);
t_size info_get_count() const;
const char* info_enum_name(t_size p_index) const;
const char* info_enum_value(t_size p_index) const;
t_size info_set_ex(const char * p_name,t_size p_name_length,const char * p_value,t_size p_value_length);
void info_remove_mask(const bit_array & p_mask);
const file_info_impl & operator=(const file_info_impl & p_source);
replaygain_info get_replaygain() const;
void set_replaygain(const replaygain_info & p_info);
protected:
t_size meta_set_nocheck_ex(const char * p_name,t_size p_name_length,const char * p_value,t_size p_value_length);
t_size info_set_nocheck_ex(const char * p_name,t_size p_name_length,const char * p_value,t_size p_value_length);
private:
file_info_impl_utils::meta_storage m_meta;
file_info_impl_utils::info_storage m_info;
double m_length;
replaygain_info m_replaygain;
};