/* parse_cvt_fnc_t cvt_rcc8000 */
static u_long
cvt_rcc8000(
unsigned char *buffer,
int size,
struct format *format,
clocktime_t *clock_time,
void *local
)
{
if (!Strok(buffer, format->fixed_string)) return CVT_NONE;
#define OFFS(x) format->field_offsets[(x)].offset
#define STOI(x, y) Stoi(&buffer[OFFS(x)], y, format->field_offsets[(x)].length)
if ( STOI(O_DAY, &clock_time->day) ||
STOI(O_MONTH, &clock_time->month) ||
STOI(O_YEAR, &clock_time->year) ||
STOI(O_HOUR, &clock_time->hour) ||
STOI(O_MIN, &clock_time->minute) ||
STOI(O_SEC, &clock_time->second) ||
STOI(O_USEC, &clock_time->usecond)
) return CVT_FAIL|CVT_BADFMT;
clock_time->usecond *= 1000;
clock_time->utcoffset = 0;
#define RCCP buffer[28]
/*
* buffer[28] is the ASCII representation of a hex character ( 0 through F )
* The four bits correspond to:
* 8 - Valid Time
* 4 - Reject Code
* 2 - British Summer Time (receiver set to emit GMT all year.)
* 1 - Leap year
*/
#define RCC8000_VALID 0x8
#define RCC8000_REJECT 0x4
#define RCC8000_BST 0x2
#define RCC8000_LEAPY 0x1
clock_time->flags = 0;
if ( (RCCP >= '0' && RCCP <= '9') || (RCCP >= 'A' && RCCP <= 'F') )
{
register int flag;
flag = (RCCP >= '0' && RCCP <= '9' ) ? RCCP - '0' : RCCP - 'A' + 10;
if (!(flag & RCC8000_VALID))
clock_time->flags |= PARSEB_POWERUP;
clock_time->flags |= PARSEB_UTC; /* British special - guess why 8-) */
/* other flags not used */
}
return CVT_OK;
}
void Database::Load(){
fstream fin("staff.dat");
if(fin.fail())return;
string temp;
getline(fin,temp); //Read Form Header
while(!fin.eof()){
getline(fin,temp);
vector<string> data;
StrSplit(temp,data,'#');//根据#号分割字符串
if (data.size() != 8)break;//数据有误
int id = STOI(data[0]);
string name = data[1];
STAFF_KIND kind = STAFF_KIND(STOI(data[2]));
int age = STOI(data[3]);
STAFF_STATE state = STAFF_STATE(STOI(data[4]));
int manager_id = STOI(data[5]);
int sales = STOI(data[6]);
int events = STOI(data[7]);
Staff *p;
SalesMan *psalesman;
Manager *pmanager;
SalesManager *psalesManager;
switch (kind){
case SALESMAN:
psalesman = new SalesMan(id,name,age,state);
psalesman -> SetManagerID(manager_id);
ChangeManagerID(id,manager_id);
psalesman -> SetSales(sales);
p = dynamic_cast<Staff*>(psalesman);
break;
case MANAGER:
pmanager = new Manager(id,name,age,state);
pmanager -> SetEvents(events);
p = dynamic_cast<Staff*>(pmanager);
break;
case SALESMANAGER:
psalesManager = new SalesManager(id,name,age,state);
//p = dynamic_cast<Staff*>(dynamic_cast<Manager*>(psalesManager));
//使用虚继承后，不会出现二义性了（有两基类）
p = dynamic_cast<Staff*>(psalesManager);
break;
default:
throw "读取数据出错！";
}
staffs[id] = p;
}
fin.close();
Update();
}
/* parse_cvt_fnc_t cvt_trimtaip */
static u_long
cvt_trimtaip(
unsigned char *buffer,
int size,
struct format *format,
clocktime_t *clock_time,
void *local
)
{
long gpsfix;
u_char calc_csum = 0;
long recv_csum;
int i;
if (!Strok(buffer, format->fixed_string)) return CVT_NONE;
#define OFFS(x) format->field_offsets[(x)].offset
#define STOI(x, y) \
Stoi(&buffer[OFFS(x)], y, \
format->field_offsets[(x)].length)
if ( STOI(O_DAY, &clock_time->day) ||
STOI(O_MONTH, &clock_time->month) ||
STOI(O_YEAR, &clock_time->year) ||
STOI(O_HOUR, &clock_time->hour) ||
STOI(O_MIN, &clock_time->minute) ||
STOI(O_SEC, &clock_time->second) ||
STOI(O_USEC, &clock_time->usecond)||
STOI(O_GPSFIX, &gpsfix)
) return CVT_FAIL|CVT_BADFMT;
clock_time->usecond *= 1000;
/* Check that the checksum is right */
for (i=OFFS(O_CHKSUM)-1; i >= 0; i--) calc_csum ^= buffer[i];
recv_csum = (hexval(buffer[OFFS(O_CHKSUM)]) << 4) |
hexval(buffer[OFFS(O_CHKSUM)+1]);
if (recv_csum < 0) return CVT_FAIL|CVT_BADTIME;
if (((u_char) recv_csum) != calc_csum) return CVT_FAIL|CVT_BADTIME;
clock_time->utcoffset = 0;
/* What should flags be set to ? */
clock_time->flags = PARSEB_UTC;
/* if the current GPS fix is 9 (unknown), reject */
if (0 > gpsfix || gpsfix > 9) clock_time->flags |= PARSEB_POWERUP;
return CVT_OK;
}
bool Database::isTruth(Staff *st,Exp *filter){
try{
if (filter -> kind != EXP_OP)return true;
//根据C++特性，能够自动短路的
if (filter -> name == "and")
return isTruth(st,filter->lv) && isTruth(st,filter->rv);
if (filter -> name == "or")
return isTruth(st,filter->lv) || isTruth(st,filter->rv);
//剩下的是=,>,<,<>,!=,<=,>=
Exp *lv = filter -> lv;
Exp *rv = filter -> rv;
if (rv->kind == EXP_STR){
//名字，字符串比较
string name = st -> GetName();
if (filter->name[0] == '='){
//防止出现==输入
return MatchStr(name,rv->name);
}else if (filter->name == "!=" || filter -> name == "<>"){
return !MatchStr(name,rv->name);
}
if (filter->name == "<")return name < rv->name;
if (filter->name == ">")return name > rv->name;
if (filter->name == "<=")return name <= rv->name;
if (filter->name == ">=")return name >= rv->name;
}else{
int num = GetStaffValue(st,lv->name);
int vn = STOI(rv->name);
if (filter -> name[0] == '=')return num == vn;
if (filter -> name == "!=" || filter -> name == "<>")return num != vn;
if (filter -> name == "<")return num < vn;
if (filter -> name == ">")return num > vn;
if (filter -> name == "<=")return num <= vn;
if (filter -> name == ">=")return num >= vn;
}
}catch(...){
return false;
}
return true;//出现异常，暂时不处理
}
/* parse_cvt_fnc_t cvt_hopf6021 */
static u_long
cvt_hopf6021(
unsigned char *buffer,
int size,
struct format *format,
clocktime_t *clock_time,
void *local
)
{
unsigned char status,weekday;
if (!Strok(buffer, format->fixed_string))
{
return CVT_NONE;
}
if ( STOI(O_DAY, &clock_time->day) ||
STOI(O_MONTH, &clock_time->month) ||
STOI(O_YEAR, &clock_time->year) ||
STOI(O_HOUR, &clock_time->hour) ||
STOI(O_MIN, &clock_time->minute) ||
STOI(O_SEC, &clock_time->second)
)
{
return CVT_FAIL|CVT_BADFMT;
}
clock_time->usecond = 0;
clock_time->utcoffset = 0;
status = (u_char) hexval(buffer[OFFS(O_FLAGS)]);
weekday= (u_char) hexval(buffer[OFFS(O_WDAY)]);
if ((status == 0xFF) || (weekday == 0xFF))
{
return CVT_FAIL|CVT_BADFMT;
}
clock_time->flags = 0;
if (weekday & HOPF_UTC)
{
clock_time->flags |= PARSEB_UTC;
}
else
{
if (status & HOPF_DST)
{
clock_time->flags |= PARSEB_DST;
clock_time->utcoffset = -2*60*60; /* MET DST */
}
else
{
clock_time->utcoffset = -1*60*60; /* MET */
}
}
clock_time->flags |= (status & HOPF_DSTWARN) ? PARSEB_ANNOUNCE : 0;
switch (status & HOPF_MODE)
{
case HOPF_INVALID: /* Time/Date invalid */
clock_time->flags |= PARSEB_POWERUP;
break;
case HOPF_INTERNAL: /* internal clock */
clock_time->flags |= PARSEB_NOSYNC;
break;
case HOPF_RADIO: /* Radio clock */
case HOPF_RADIOHP: /* Radio clock high precision */
break;
default:
return CVT_FAIL|CVT_BADFMT;
}
return CVT_OK;
}
int64_t CTrans::STOI(const std::string& sValue)
{
return STOI(sValue.c_str());
}
