C++ pfc::string_base类代码示例

   virtual bool get_description(t_uint32 p_index,pfc::string_base & p_out)
   {
      switch ( p_index )
      {
      case CMD_NOTITLE:
         p_out.set_string( "Hide the main window title bar" );
         return true;

      case CMD_SAVE_1:
      case CMD_SAVE_2:
      case CMD_SAVE_3:
      case CMD_SAVE_4:
      case CMD_SAVE_5:
         {
            p_out.set_string( "save current screen location to a slot" );
            return true;
         }
         break;
      case CMD_REST_1:
      case CMD_REST_2:
      case CMD_REST_3:
      case CMD_REST_4:
      case CMD_REST_5:
         {
            p_out.set_string( "restore screen location from a slot" );
            return true;
         }
         break;
      case CMD_SCRIPT1:
      case CMD_SCRIPT2:
         p_out.set_string( "Change the layout and size" );
         return true;
      }
      return false;
   }

void wsh_panel_vars::get_default_script_code(pfc::string_base & out)
{
	out.reset();
	puResource pures = uLoadResource(core_api::get_my_instance(), uMAKEINTRESOURCE(IDR_SCRIPT), "SCRIPT");

	if (pures)
		out.set_string(reinterpret_cast<const char *>(pures->GetPointer()), pures->GetSize());
}

void urlEncodeAppendRaw(pfc::string_base & out, const char * in, t_size inSize) {
	for(t_size walk = 0; walk < inSize; ++walk) {
		const char c = in[walk];
		if (c == ' ') out.add_byte('+');
		else if (pfc::char_is_ascii_alphanumeric(c) || c == '_') out.add_byte(c);
		else out << "%" << pfc::format_hex((t_uint8)c, 2);
	}
}

	void insert(const char * src,unsigned idx,pfc::string_base & out)
	{
		out.reset();
		out.add_string(src,idx);
		out.add_string("&");
		out.add_string(src+idx);
		used.add_char(uCharLower(src[idx]));
	}

static void path_pack_string(pfc::string_base & out,const char * src)
{
	out.add_char('|');
	out << strlen(src);
	out.add_char('|');
	out << src;
	out.add_char('|');
}

void urlEncodeAppend(pfc::string_base & out, const char * in) {
	for(;;) {
		const char c = *(in++);
		if (c == 0) break;
		else if (c == ' ') out.add_byte('+');
		else if (pfc::char_is_ascii_alphanumeric(c) || c == '_') out.add_byte(c);
		else out << "%" << pfc::format_hex((t_uint8)c, 2);
	}
}

void stream_reader::read_string_raw(pfc::string_base & p_out,abort_callback & p_abort) {
	enum {delta = 256};
	char buffer[delta];
	p_out.reset();
	for(;;) {
		t_size delta_done;
		delta_done = read(buffer,delta,p_abort);
		p_out.add_string(buffer,delta_done);
		if (delta_done < delta) break;
	}
}

	virtual bool get_mask(unsigned idx, pfc::string_base & out)
	{
		if (idx > 0) return false;
		out.reset();
		for (int n = 0; n < 14; n++)
		{
			if (n) out.add_byte(';');
			out << "*." << extensions[n];
		}
		return true;
	}

bool archive_impl::get_display_path(const char * path,pfc::string_base & out)
{
	pfc::string8 archive,file;
	if (g_parse_unpack_path(path,archive,file))
	{
		g_get_display_path(archive,out);
		out.add_string("|");
		out.add_string(file);
		return true;
	}
	else return false;
}

	void chars_to_lower( const char* p_src , pfc::string_base& p_out )
	{
		p_out.reset();
		const char* p = p_src;
		for (;*p;)
		{
			unsigned test;
			t_size delta = pfc::utf8_decode_char(p,test);
			if( delta == 0 || test == 0 ) break;
			p_out.add_char(pfc::charLower(test));
			p+=delta;
		}
	}

void playlist_view_cache::get_display_name(unsigned playlist, unsigned idx, int col, pfc::string_base & out)
{	
	playlist_cache * p_cache = get_item(playlist);
	if (idx >= 0 && idx < p_cache->get_count())
	{
		if (!p_cache->get_item(idx))
		{
			if (!update_item(playlist, idx)) {out.set_string("Error"); return;}
		}
		p_cache->get_item(idx)->get_item(col)->get_display(out); return;
	}
	out.set_string("Internal error - invalid playlist entry!");
}

void titleformat_compiler::remove_color_marks(const char * src,pfc::string_base & out)//helper
{
	out.reset();
	while(*src)
	{
		if (*src==3)
		{
			src++;
			while(*src && *src!=3) src++;
			if (*src==3) src++;
		}
		else out.add_byte(*src++);
	}
}

	void mainpath_from_guid(const GUID & p_guid, const GUID & p_subguid, pfc::string_base & p_out, bool b_short)
	{
		p_out.reset();
		service_enum_t<mainmenu_commands> e;
		service_ptr_t<mainmenu_commands> ptr;

		unsigned p_service_item_index;
		while (e.next(ptr))
		{
			service_ptr_t<mainmenu_commands_v2> ptr_v2;
			ptr->service_query_t(ptr_v2);
			unsigned p_service_item_count = ptr->get_command_count();
			for (p_service_item_index = 0; p_service_item_index < p_service_item_count; p_service_item_index++)
			{
				if (p_guid == ptr->get_command(p_service_item_index))
				{
					pfc::string8 name;
					ptr->get_name(p_service_item_index, name);
					if (p_subguid != pfc::guid_null && ptr_v2.is_valid() && ptr_v2->is_command_dynamic(p_service_item_index))
					{
						pfc::string8 name_sub;
						mainmenu_node::ptr ptr_node = ptr_v2->dynamic_instantiate(p_service_item_index);
						mainmenunode_subguid_to_path(ptr_node, p_subguid, name_sub, true);
						name << "/" << name_sub;
					}
					if (!b_short)
					{
						pfc::list_t<pfc::string8> levels;
						GUID parent = ptr->get_parent();
						while (parent != pfc::guid_null)
						{
							pfc::string8 parentname;
							if (maingroupname_from_guid(GUID(parent), parentname, parent))
								levels.insert_item(parentname, 0);
						}
						unsigned i, count = levels.get_count();
						for (i = 0; i<count; i++)
						{
							p_out.add_string(levels[i]);
							p_out.add_byte('/');

						}
					}
					p_out.add_string(name);
				}

			}
		}
	}

bool file_info::meta_format(const char * p_name,pfc::string_base & p_out, const char * separator) const {
    p_out.reset();
    t_size index = meta_find(p_name);
    if (index == pfc_infinite) return false;
    meta_format_entry(index, p_out, separator);
    return true;
}

bool menu_helpers::context_get_description(const GUID& p_guid,pfc::string_base & out) {
	service_ptr_t<contextmenu_item> ptr; t_uint32 index;
	if (!menu_item_resolver::g_resolve_context_command(p_guid, ptr, index)) return false;
	bool rv = ptr->get_item_description(index, out);
	if (!rv) out.reset();
	return rv;
}