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//+------------------------------------------------------------------+
//| EA31337 framework |
//| Copyright 2016-2020, 31337 Investments Ltd |
//| https://github.com/EA31337 |
//+------------------------------------------------------------------+
/*
* This file is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
*/
// Prevents processing this includes file for the second time.
#ifndef SYMBOLINFO_MQH
#define SYMBOLINFO_MQH
// Forward declaration.
class SymbolInfo;
class Terminal;
// Includes.
#include "Terminal.mqh"
#ifdef __MQL4__
// Methods of swap calculation at position transfer.
// @see: https://www.mql5.com/en/docs/constants/environment_state/marketinfoconstants#enum_symbol_swap_mode
enum ENUM_SYMBOL_SWAP_MODE {
// Swaps disabled (no swaps).
SYMBOL_SWAP_MODE_DISABLED = -1,
// Swaps are charged in points.
SYMBOL_SWAP_MODE_POINTS = 0,
// Swaps are charged in money in base currency of the symbol.
SYMBOL_SWAP_MODE_CURRENCY_SYMBOL = 1,
// Swaps are charged as the specified annual interest from the instrument price at calculation of swap (standard bank year is 360 days).
SYMBOL_SWAP_MODE_INTEREST_CURRENT = 2,
// Swaps are charged in money in margin currency of the symbol.
SYMBOL_SWAP_MODE_CURRENCY_MARGIN = 3,
// Swaps are charged in money, in client deposit currency.
SYMBOL_SWAP_MODE_CURRENCY_DEPOSIT,
// Swaps are charged as the specified annual interest from the open price of position (standard bank year is 360 days).
SYMBOL_SWAP_MODE_INTEREST_OPEN,
// Swaps are charged by reopening positions. At the end of a trading day the position is closed. Next day it is reopened by the close price +/- specified number of points (parameters SYMBOL_SWAP_LONG and SYMBOL_SWAP_SHORT).
SYMBOL_SWAP_MODE_REOPEN_CURRENT,
// Swaps are charged by reopening positions. At the end of a trading day the position is closed. Next day it is reopened by the current Bid price +/- specified number of points (parameters SYMBOL_SWAP_LONG and SYMBOL_SWAP_SHORT).
SYMBOL_SWAP_MODE_REOPEN_BID
};
#endif
// Constants.
const ENUM_SYMBOL_INFO_DOUBLE market_dcache[] = {SYMBOL_MARGIN_INITIAL, SYMBOL_MARGIN_LIMIT, SYMBOL_MARGIN_LONG, SYMBOL_MARGIN_MAINTENANCE, SYMBOL_MARGIN_SHORT, SYMBOL_MARGIN_STOP, SYMBOL_MARGIN_STOPLIMIT, SYMBOL_POINT, SYMBOL_SWAP_LONG, SYMBOL_SWAP_SHORT, SYMBOL_TRADE_CONTRACT_SIZE, SYMBOL_TRADE_TICK_SIZE, SYMBOL_TRADE_TICK_VALUE, SYMBOL_TRADE_TICK_VALUE_LOSS, SYMBOL_TRADE_TICK_VALUE_PROFIT, SYMBOL_VOLUME_LIMIT, SYMBOL_VOLUME_MAX, SYMBOL_VOLUME_MIN, SYMBOL_VOLUME_STEP};
const ENUM_SYMBOL_INFO_INTEGER market_icache[] = {SYMBOL_DIGITS, SYMBOL_EXPIRATION_MODE, SYMBOL_FILLING_MODE, SYMBOL_ORDER_MODE, SYMBOL_SWAP_MODE, SYMBOL_SWAP_ROLLOVER3DAYS, SYMBOL_TRADE_CALC_MODE, SYMBOL_TRADE_EXEMODE, SYMBOL_TRADE_MODE };
// Structs.
// Defines struct to store symbol data.
struct SymbolInfoEntry {
double bid; // Current Bid price.
double ask; // Current Ask price.
double last; // Price of the last deal.
double spread; // Current spread.
unsigned long volume; // Volume for the current last price.
// Constructor.
SymbolInfoEntry()
: bid(0), ask(0), last(0), spread(0), volume(0) {}
SymbolInfoEntry(const MqlTick &_tick, const string _symbol = NULL) {
bid = _tick.bid;
ask = _tick.ask;
last = _tick.last;
volume = _tick.volume;
spread = SymbolInfo::GetRealSpread(bid, ask, SymbolInfo::GetDigits(_symbol));
}
// Getters
string ToCSV() {
return StringFormat("%g,%g,%g,%g,%d",
bid, ask, last, spread, volume);
}
};
/**
* Class to provide symbol information.
*/
class SymbolInfo : public Terminal {
protected:
// Variables.
string symbol; // Current symbol pair.
MqlTick last_tick; // Stores the latest prices of the symbol.
MqlTick tick_data[]; // Stores saved ticks.
SymbolInfoEntry s_entry; // Symbol entry.
double pip_size; // Value of pip size.
uint symbol_digits; // Count of digits after decimal point in the symbol price.
//uint pts_per_pip; // Number of points per pip.
double volume_precision;
public:
/**
* Implements class constructor with a parameter.
*/
SymbolInfo(string _symbol = NULL, Log *_log = NULL) :
symbol(_symbol == NULL ? _Symbol : _symbol),
pip_size(GetPipSize()),
symbol_digits(GetDigits()),
Terminal(_log)
{
Select();
last_tick = GetTick();
}
~SymbolInfo() {
}
/**
* Selects current symbol in the Market Watch window.
*
* @docs
* - https://docs.mql4.com/marketinformation/symbolselect
* - https://www.mql5.com/en/docs/MarketInformation/SymbolSelect
*/
bool Select() {
return (bool) SymbolInfoInteger(symbol, SYMBOL_SELECT);
}
/* Getters */
/**
* Get the current symbol pair from the current chart.
*/
static string GetCurrentSymbol() {
return _Symbol;
}
/**
* Get current symbol pair used by the class.
*/
string GetSymbol() {
return symbol;
}
/**
* Updates and gets the latest tick prices.
*
* @docs MQL4 https://docs.mql4.com/constants/structures/mqltick
* @docs MQL5 https://www.mql5.com/en/docs/constants/structures/mqltick
*/
static MqlTick GetTick(string _symbol) {
MqlTick _last_tick;
if (!SymbolInfoTick(_symbol, _last_tick)) {
PrintFormat("Error: %s(): %s", __FUNCTION__, "Cannot return current prices!");
}
return _last_tick;
}
MqlTick GetTick() {
if (!SymbolInfoTick(this.symbol, this.last_tick)) {
Logger().Error("Cannot return current prices!", __FUNCTION__);
}
return this.last_tick;
}
/**
* Gets the last tick prices (without updating).
*/
MqlTick GetLastTick() {
return this.last_tick;
}
/**
* The latest known seller's price (ask price) for the current symbol.
* The RefreshRates() function must be used to update.
*
* @see http://docs.mql4.com/predefined/ask
*/
double Ask() {
return this.GetTick().ask;
// @todo?
// Overriding Ask variable to become a function call.
// #ifdef __MQL5__ #define Ask Market::Ask() #endif // @fixme
}
/**
* Updates and gets the latest ask price (best buy offer).
*/
static double GetAsk(string _symbol) {
return SymbolInfo::SymbolInfoDouble(_symbol, SYMBOL_ASK);
}
double GetAsk() {
return this.GetAsk(symbol);
}
/**
* Gets the last ask price (without updating).
*/
double GetLastAsk() {
return this.last_tick.ask;
}
/**
* The latest known buyer's price (offer price, bid price) of the current symbol.
* The RefreshRates() function must be used to update.
*
* @see http://docs.mql4.com/predefined/bid
*/
double Bid() {
return this.GetTick().bid;
// @todo?
// Overriding Bid variable to become a function call.
// #ifdef __MQL5__ #define Bid Market::Bid() #endif // @fixme
}
/**
* Updates and gets the latest bid price (best sell offer).
*/
static double GetBid(string _symbol) {
return SymbolInfo::SymbolInfoDouble(_symbol, SYMBOL_BID);
}
double GetBid() {
return this.GetBid(symbol);
}
/**
* Gets the last bid price (without updating).
*/
double GetLastBid() {
return this.last_tick.bid;
}
/**
* Get the last volume for the current last price.
*
* @see: https://www.mql5.com/en/docs/constants/environment_state/marketinfoconstants
*/
static ulong GetVolume(string _symbol) {
return GetTick(_symbol).volume;
}
ulong GetVolume() {
return this.GetTick(this.symbol).volume;
}
/**
* Gets the last volume for the current price (without updating).
*/
ulong GetLastVolume() {
return this.last_tick.volume;
}
/**
* Get summary volume of current session deals.
*
* @see: https://www.mql5.com/en/docs/constants/environment_state/marketinfoconstants
*/
static double GetSessionVolume(string _symbol) {
return SymbolInfo::SymbolInfoDouble(_symbol, SYMBOL_SESSION_VOLUME);
}
double GetSessionVolume() {
return this.GetSessionVolume(this.symbol);
}
/**
* Time of the last quote
*
* @docs
* - https://docs.mql4.com/constants/environment_state/marketinfoconstants
* - https://www.mql5.com/en/docs/constants/environment_state/marketinfoconstants#enum_symbol_info_double
*/
static datetime GetQuoteTime(string _symbol) {
return (datetime) SymbolInfo::SymbolInfoInteger(_symbol, SYMBOL_TIME);
}
datetime GetQuoteTime() {
return GetQuoteTime(this.symbol);
}
/**
* Get current open price depending on the operation type.
*
* @param:
* op_type int Order operation type of the order.
* @return
* Current open price.
*/
static double GetOpenOffer(string _symbol, ENUM_ORDER_TYPE _cmd) {
// Use the right open price at opening of a market order. For example:
// - When selling, only the latest Bid prices can be used.
// - When buying, only the latest Ask prices can be used.
return _cmd == ORDER_TYPE_BUY ? GetAsk(_symbol) : GetBid(_symbol);
}
double GetOpenOffer(ENUM_ORDER_TYPE _cmd) {
return GetOpenOffer(symbol, _cmd);
}
/**
* Get current close price depending on the operation type.
*
* @param:
* op_type int Order operation type of the order.
* @return
* Current close price.
*/
static double GetCloseOffer(string _symbol, ENUM_ORDER_TYPE _cmd) {
return _cmd == ORDER_TYPE_BUY ? GetBid(_symbol) : GetAsk(_symbol);
}
double GetCloseOffer(ENUM_ORDER_TYPE _cmd) {
return GetCloseOffer(symbol, _cmd);
}
/**
* Get the point size in the quote currency.
*
* The smallest digit of price quote.
* A change of 1 in the least significant digit of the price.
* You may also use Point predefined variable for the current symbol.
*/
double GetPointSize() {
return SymbolInfo::SymbolInfoDouble(symbol, SYMBOL_POINT); // Same as: MarketInfo(symbol, MODE_POINT);
}
static double GetPointSize(string _symbol) {
return SymbolInfo::SymbolInfoDouble(_symbol, SYMBOL_POINT); // Same as: MarketInfo(symbol, MODE_POINT);
}
/**
* Return a pip size.
*
* In most cases, a pip is equal to 1/100 (.01%) of the quote currency.
*/
static double GetPipSize(string _symbol) {
// @todo: This code may fail at Gold and Silver (https://www.mql5.com/en/forum/135345#515262).
return GetDigits(_symbol) % 2 == 0 ? GetPointSize(_symbol) : GetPointSize(_symbol) * 10;
}
double GetPipSize() {
return GetPipSize(symbol);
}
/**
* Get a tick size in the price value.
*
* It is the smallest movement in the price quoted by the broker,
* which could be several points.
* In currencies it is equivalent to point size, in metals they are not.
*/
static double GetTickSize(string _symbol) {
// Note: In currencies a tick is always a point, but not for other markets.
return SymbolInfo::SymbolInfoDouble(_symbol, SYMBOL_TRADE_TICK_SIZE);
}
double GetTickSize() {
return GetTickSize(symbol);
}
/**
* Get a tick size in points.
*
* It is a minimal price change in points.
* In currencies it is equivalent to point size, in metals they are not.
*/
static double GetTradeTickSize(string _symbol) {
return SymbolInfo::SymbolInfoDouble(_symbol, SYMBOL_TRADE_TICK_SIZE);
}
double GetTradeTickSize() {
return GetTradeTickSize(symbol);
}
/**
* Get a tick value in the deposit currency.
*
* @return
* Returns the number of base currency units for one pip of movement.
*/
static double GetTickValue(string _symbol) {
return SymbolInfo::SymbolInfoDouble(_symbol, SYMBOL_TRADE_TICK_VALUE); // Same as: MarketInfo(symbol, MODE_TICKVALUE);
}
double GetTickValue() {
return GetTickValue(symbol);
}
/**
* Get a calculated tick price for a profitable position.
*
* @return
* Returns the number of base currency units for one pip of movement.
*/
static double GetTickValueProfit(string _symbol) {
// Not supported in MQL4.
return SymbolInfo::SymbolInfoDouble(_symbol, SYMBOL_TRADE_TICK_VALUE_PROFIT); // Same as: MarketInfo(symbol, SYMBOL_TRADE_TICK_VALUE_PROFIT);
}
double GetTickValueProfit() {
return GetTickValueProfit(symbol);
}
/**
* Get a calculated tick price for a losing position.
*
* @return
* Returns the number of base currency units for one pip of movement.
*/
static double GetTickValueLoss(string _symbol) {
// Not supported in MQL4.
return SymbolInfo::SymbolInfoDouble(_symbol, SYMBOL_TRADE_TICK_VALUE_LOSS); // Same as: MarketInfo(symbol, SYMBOL_TRADE_TICK_VALUE_LOSS);
}
double GetTickValueLoss() {
return GetTickValueLoss(symbol);
}
/**
* Get count of digits after decimal point for the symbol price.
*
* For the current symbol, it is stored in the predefined variable Digits.
*
*/
static uint GetDigits(string _symbol) {
return (uint) SymbolInfo::SymbolInfoInteger(_symbol, SYMBOL_DIGITS); // Same as: MarketInfo(symbol, MODE_DIGITS);
}
uint GetDigits() {
return GetDigits(symbol);
}
/**
* Get current spread in points.
*
* @param
* symbol string (optional)
* Currency pair symbol.
*
* @return
* Return symbol trade spread level in points.
*/
static uint GetSpread(string _symbol) {
return (uint) SymbolInfo::SymbolInfoInteger(_symbol, SYMBOL_SPREAD);
}
uint GetSpread() {
return GetSpread(symbol);
}
/**
* Get real spread based on the ask and bid price (in points).
*/
static unsigned int GetRealSpread(double _bid, double _ask, unsigned int _digits) {
return (unsigned int) round((_ask - _bid) * pow(10, _digits));
}
static unsigned int GetRealSpread(string _symbol) {
return GetRealSpread(SymbolInfo::GetBid(_symbol), SymbolInfo::GetAsk(_symbol), SymbolInfo::GetDigits(_symbol));
}
unsigned int GetRealSpread() {
return GetRealSpread(symbol);
}
/**
* Minimal indention in points from the current close price to place Stop orders.
*
* This is due that at placing of a pending order, the open price cannot be too close to the market.
* The minimal distance of the pending price from the current market one in points can be obtained
* using the MarketInfo() function with the MODE_STOPLEVEL parameter.
* Related error messages:
* Error 130 (ERR_INVALID_STOPS) happens In case of false open price of a pending order.
* Error 145 (ERR_TRADE_MODIFY_DENIED) happens when modification of order was too close to market.
*
* @param
* symbol string (optional)
* Currency pair symbol.
*
* @return
* Returns the minimal permissible distance value in points for StopLoss/TakeProfit.
* A zero value means either absence of any restrictions on the minimal distance.
*
* @see: https://book.mql4.com/appendix/limits
*/
long GetTradeStopsLevel() {
return SymbolInfo::SymbolInfoInteger(symbol, SYMBOL_TRADE_STOPS_LEVEL);
}
static long GetTradeStopsLevel(string _symbol) {
return SymbolInfo::SymbolInfoInteger(_symbol, SYMBOL_TRADE_STOPS_LEVEL);
}
/**
* Get a contract lot size in the base currency.
*/
double GetTradeContractSize() {
return SymbolInfo::SymbolInfoDouble(symbol, SYMBOL_TRADE_CONTRACT_SIZE); // Same as: MarketInfo(symbol, MODE_LOTSIZE);
}
static double GetTradeContractSize(string _symbol) {
return SymbolInfo::SymbolInfoDouble(_symbol, SYMBOL_TRADE_CONTRACT_SIZE); // Same as: MarketInfo(symbol, MODE_LOTSIZE);
}
/**
* Minimum permitted amount of a lot/volume for a deal.
*/
static double GetVolumeMin(string _symbol) {
return SymbolInfo::SymbolInfoDouble(_symbol, SYMBOL_VOLUME_MIN); // Same as: MarketInfo(symbol, MODE_MINLOT);
}
double GetVolumeMin() {
return GetVolumeMin(symbol);
}
/**
* Maximum permitted amount of a lot/volume for a deal.
*/
static double GetVolumeMax(string _symbol) {
return SymbolInfo::SymbolInfoDouble(_symbol, SYMBOL_VOLUME_MAX); // Same as: MarketInfo(symbol, MODE_MAXLOT);
}
double GetVolumeMax() {
return GetVolumeMax(symbol);
}
/**
* Get a lot/volume step for a deal.
*
* Minimal volume change step for deal execution
*/
static double GetVolumeStep(string _symbol) {
return SymbolInfo::SymbolInfoDouble(_symbol, SYMBOL_VOLUME_STEP); // Same as: MarketInfo(symbol, MODE_LOTSTEP);
}
double GetVolumeStep() {
return GetVolumeStep(symbol);
}
/**
* Order freeze level in points.
*
* Freeze level is a value that determines the price band,
* within which the order is considered as 'frozen' (prohibited to change).
*
* If the execution price lies within the range defined by the freeze level,
* the order cannot be modified, cancelled or closed.
* The possibility of deleting a pending order is regulated by the FreezeLevel.
*
* @see: https://book.mql4.com/appendix/limits
*/
static uint GetFreezeLevel(string _symbol) {
return (uint) SymbolInfo::SymbolInfoInteger(_symbol, SYMBOL_TRADE_FREEZE_LEVEL); // Same as: MarketInfo(symbol, MODE_FREEZELEVEL);
}
uint GetFreezeLevel() {
return GetFreezeLevel(symbol);
}
/**
* Gets flags of allowed order filling modes.
*
* The flags can be combined by the operation of the logical OR (e.g. SYMBOL_FILLING_FOK|SYMBOL_FILLING_IOC).
*
* @docs
* - https://www.mql5.com/en/docs/constants/environment_state/marketinfoconstants#symbol_filling_mode
* - https://docs.mql4.com/constants/environment_state/marketinfoconstants
*/
static ENUM_ORDER_TYPE_FILLING GetFillingMode(string _symbol) {
// Note: Not supported for MQL4.
return (ENUM_ORDER_TYPE_FILLING) SymbolInfo::SymbolInfoInteger(_symbol, SYMBOL_FILLING_MODE);
}
ENUM_ORDER_TYPE_FILLING GetFillingMode() {
return GetFillingMode(symbol);
}
/**
* Buy order swap value
*
* @docs
* - https://docs.mql4.com/constants/environment_state/marketinfoconstants
* - https://www.mql5.com/en/docs/constants/environment_state/marketinfoconstants
*/
static double GetSwapLong(string _symbol) {
return SymbolInfo::SymbolInfoDouble(_symbol, SYMBOL_SWAP_LONG);
}
double GetSwapLong() {
return GetSwapLong(symbol);
}
/**
* Sell order swap value
*
* @docs
* - https://docs.mql4.com/constants/environment_state/marketinfoconstants
* - https://www.mql5.com/en/docs/constants/environment_state/marketinfoconstants
*/
static double GetSwapShort(string _symbol) {
return SymbolInfo::SymbolInfoDouble(_symbol, SYMBOL_SWAP_SHORT);
}
double GetSwapShort() {
return GetSwapShort(symbol);
}
/**
* Swap calculation model.
*
* @docs
* - https://docs.mql4.com/constants/environment_state/marketinfoconstants
* - https://www.mql5.com/en/docs/constants/environment_state/marketinfoconstants
*/
static ENUM_SYMBOL_SWAP_MODE GetSwapMode(string _symbol) {
return (ENUM_SYMBOL_SWAP_MODE) SymbolInfo::SymbolInfoInteger(_symbol, SYMBOL_SWAP_MODE);
}
ENUM_SYMBOL_SWAP_MODE GetSwapMode() {
return GetSwapMode(symbol);
}
/**
* Returns initial margin (a security deposit) requirements for opening an order.
*
* @docs
* - https://docs.mql4.com/constants/environment_state/marketinfoconstants
* - https://www.mql5.com/en/docs/constants/environment_state/marketinfoconstants#enum_symbol_info_double
*/
static double GetMarginInit(string _symbol, ENUM_ORDER_TYPE _cmd = ORDER_TYPE_BUY) {
#ifdef __MQL4__
// The amount in the margin currency required for opening an order with the volume of one lot.
// It is used for checking a client's assets when entering the market.
// Same as: MarketInfo(symbol, MODE_MARGININIT);
return SymbolInfo::SymbolInfoDouble(_symbol, SYMBOL_MARGIN_INITIAL);
#else // __MQL5__
// In MQL5, SymbolInfoDouble() is used for stock markets, not Forex (https://www.mql5.com/en/forum/7418).
// So we've to use OrderCalcMargin() which calculates the margin required for the specified order type.
double _margin_init, _margin_main;
const bool _result = SymbolInfoMarginRate(_symbol, _cmd, _margin_init, _margin_main);
return _result ? _margin_init : 0;
#endif
}
double GetMarginInit(ENUM_ORDER_TYPE _cmd = ORDER_TYPE_BUY) {
return GetMarginInit(symbol, _cmd);
}
/**
* Return the maintenance margin to maintain open orders.
*
* @docs
* - https://docs.mql4.com/constants/environment_state/marketinfoconstants
* - https://www.mql5.com/en/docs/constants/environment_state/marketinfoconstants#enum_symbol_info_double
*/
static double GetMarginMaintenance(string _symbol, ENUM_ORDER_TYPE _cmd = ORDER_TYPE_BUY) {
#ifdef __MQL4__
// The margin amount in the margin currency of the symbol, charged from one lot.
// It is used for checking a client's assets when his/her account state changes.
// If the maintenance margin is equal to 0, the initial margin should be used.
// Same as: MarketInfo(symbol, SYMBOL_MARGIN_MAINTENANCE);
return SymbolInfo::SymbolInfoDouble(_symbol, SYMBOL_MARGIN_MAINTENANCE);
#else // __MQL5__
// In MQL5, SymbolInfoDouble() is used for stock markets, not Forex (https://www.mql5.com/en/forum/7418).
// So we've to use OrderCalcMargin() which calculates the margin required for the specified order type.
double _margin_init, _margin_main;
const bool _result = SymbolInfoMarginRate(_symbol, _cmd, _margin_init, _margin_main);
return _result ? _margin_main : 0;
#endif
}
double GetMarginMaintenance(ENUM_ORDER_TYPE _cmd = ORDER_TYPE_BUY) {
return GetMarginMaintenance(symbol, _cmd);
}
/**
* Gets symbol entry.
*/
SymbolInfoEntry GetEntry(MqlTick &_tick) {
SymbolInfoEntry _entry(_tick, symbol);
return _entry;
}
SymbolInfoEntry GetEntry() {
MqlTick _tick = GetTick();
return GetEntry(_tick);
}
SymbolInfoEntry GetEntryLast() {
MqlTick _tick = GetLastTick();
return GetEntry(_tick);
}
/* Tick storage */
/**
* Appends a new tick to an array.
*/
bool SaveTick(MqlTick &_tick) {
static int _index = 0;
if (_index++ >= ArraySize(this.tick_data) - 1) {
if (ArrayResize(this.tick_data, _index + 100, 1000) < 0) {
Logger().Error(StringFormat("Cannot resize array (size: %d)!", _index), __FUNCTION__);
return false;
}
}
this.tick_data[_index] = this.GetTick();
return true;
}
/**
* Empties the tick array.
*/
bool ResetTicks() {
return ArrayResize(this.tick_data, 0, 100) != -1;
}
/* Setters */
/**
* Overrides the last tick.
*/
void SetTick(MqlTick &_tick) {
this.last_tick = _tick;
}
/**
* Returns the value of a corresponding property of the symbol.
*
* @param string name
* Symbol name.
* @param ENUM_SYMBOL_INFO_DOUBLE prop_id
* Identifier of a property.
*
* @return double
* Returns the value of the property.
* In case of error, information can be obtained using GetLastError() function.
*
* @docs
* - https://docs.mql4.com/marketinformation/symbolinfodouble
* - https://www.mql5.com/en/docs/marketinformation/symbolinfodouble
*
*/
static double SymbolInfoDouble(string name, ENUM_SYMBOL_INFO_DOUBLE prop_id) {
#ifdef __MQLBUILD__
return ::SymbolInfoDouble(name, prop_id);
#else
printf("@fixme: %s\n", "Symbol::SymbolInfoDouble()");
return 0;
#endif
}
/**
* Returns the value of a corresponding property of the symbol.
*
* @param string name
* Symbol name.
* @param ENUM_SYMBOL_INFO_INTEGER prop_id
* Identifier of a property.
*
* @return long
* Returns the value of the property.
* In case of error, information can be obtained using GetLastError() function.
*
* @docs
* - https://docs.mql4.com/marketinformation/symbolinfointeger
* - https://www.mql5.com/en/docs/marketinformation/symbolinfointeger
*
*/
static long SymbolInfoInteger(string name, ENUM_SYMBOL_INFO_INTEGER prop_id) {
#ifdef __MQLBUILD__
return ::SymbolInfoInteger(name, prop_id);
#else
printf("@fixme: %s\n", "SymbolInfo::SymbolInfoInteger()");
return 0;
#endif
}
/**
* Returns the value of a corresponding property of the symbol.
*
* @param string name
* Symbol name.
* @param ENUM_SYMBOL_INFO_STRING prop_id
* Identifier of a property.
*
* @return string
* Returns the value of the property.
* In case of error, information can be obtained using GetLastError() function.
*
* @docs
* - https://docs.mql4.com/marketinformation/symbolinfostring
* - https://www.mql5.com/en/docs/marketinformation/symbolinfostring
*
*/
static string SymbolInfoString(string name, ENUM_SYMBOL_INFO_STRING prop_id) {
#ifdef __MQLBUILD__
return ::SymbolInfoString(name, prop_id);
#else
printf("@fixme: %s\n", "SymbolInfo::SymbolInfoString()");
return 0;
#endif
}
/* Printer methods */
/**
* Returns symbol information in string format.
*/
string ToString() {
return StringFormat(
"Symbol: %s, Last Ask/Bid: %g/%g, Last Price/Session Volume: %d/%g, Point size: %g, Pip size: %g, " +
"Tick size: %g (%g pts), Tick value: %g (%g/%g), " +
"Digits: %d, Spread: %d pts, Trade stops level: %d, " +
"Trade contract size: %g, Min lot: %g, Max lot: %g, Lot step: %g, " +
"Freeze level: %d, Swap (long/short/mode): %g/%g/%d, Margin initial (maintenance): %g (%g)",
GetSymbol(), GetLastAsk(), GetLastBid(), GetLastVolume(), GetSessionVolume(), GetPointSize(), GetPipSize(),
GetTickSize(), GetTradeTickSize(), GetTickValue(), GetTickValueProfit(), GetTickValueLoss(),
GetDigits(), GetSpread(), GetTradeStopsLevel(),
GetTradeContractSize(), GetVolumeMin(), GetVolumeMax(), GetVolumeStep(),
GetFreezeLevel(), GetSwapLong(), GetSwapShort(), GetSwapMode(), GetMarginInit(), GetMarginMaintenance()
);
}
/**
* Returns symbol information in CSV format.
*/
string ToCSV(bool _header = false) {
return
!_header ? StringFormat(
"%s,%g,%g,%d,%g,%g,%g," +
"%g,%g,%g,%g,%g," +
"%d,%d,%d," +
"%g,%g,%g,%g," +
"%d,%g,%g,%d,%g,%g",
GetSymbol(), GetLastAsk(), GetLastBid(), GetLastVolume(), GetSessionVolume(), GetPointSize(), GetPipSize(),
GetTickSize(), GetTradeTickSize(), GetTickValue(), GetTickValueProfit(), GetTickValueLoss(),
GetDigits(), GetSpread(), GetTradeStopsLevel(),
GetTradeContractSize(), GetVolumeMin(), GetVolumeMax(), GetVolumeStep(),
GetFreezeLevel(), GetSwapLong(), GetSwapShort(), GetSwapMode(), GetMarginInit(), GetMarginMaintenance()
)
:
"Symbol,Last Ask,Last Bid,Last Volume,Session Volume,Point Size,Pip Size," +
"Tick Size,Tick Size (pts),Tick Value,Tick Value Profit,Tick Value Loss," +
"Digits,Spread (pts),Trade Stops," +
"Trade Contract Size,Min Lot,Max Lot,Lot Step," +
"Freeze level, Swap Long, Swap Short, Swap Mode, Margin Init";
}
};
#endif // SYMBOLINFO_MQH
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