73 lines
1.7 KiB
MQL5
73 lines
1.7 KiB
MQL5
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#ifndef FRAMEWORK_EXT_STRING_MQH
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#define FRAMEWORK_EXT_STRING_MQH
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#define EXT_STRING_EMPTY ""
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#define dtos(value) DoubleToString(value, layer_account::digits())
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#define ttos(value) TimeToString( value, TIME_DATE | TIME_MINUTES | TIME_SECONDS )
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#define itos(value) IntegerToString(value)
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#define ext_string_equals( first, second, check_case ) (StringCompare ( first, second, check_case ) == 0)
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class ext_string {
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public:
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static string replace ( string value, string find, string replaced ) {
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StringReplace ( value, find, replaced );
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return value;
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}
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static double truncate_real_part ( double value, int count ) {
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string buffer = DoubleToString ( value );
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int length = StringLen ( buffer );
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int index_of = StringFind ( buffer, ".", 0 );
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if ( length - index_of + 1 <= count ) {
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return value;
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}
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buffer = StringSubstr ( buffer, 0, index_of + 1 + count );
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return StringToDouble ( buffer );
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}
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static string get_hash ( string value, ENUM_CRYPT_METHOD metod=CRYPT_HASH_SHA256 ) {
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uchar data[];
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StringToCharArray ( value, data );
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ArrayResize ( data, ArraySize ( data ) - 1 );
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uchar key[1] = {0};
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uchar result[];
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CryptEncode ( metod, data, key, result );
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string resultStr = EXT_STRING_EMPTY;
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for ( int i = 0; i < ArraySize ( result ); i++ ) {
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resultStr += StringFormat ( "%02x", result[i] );
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}
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return resultStr;
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}
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};
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class str_builder {
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private:
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string source;
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public:
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str_builder() {
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source = EXT_STRING_EMPTY;
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}
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void append ( string value ) {
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source += value;
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}
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void append_line ( string value ) {
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source += value + "\r\n";
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}
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string to_str() {
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return source;
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}
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};
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#endif
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