forked from paulosalestd/MQL5Book
113 lines
3.2 KiB
MQL5
113 lines
3.2 KiB
MQL5
//+------------------------------------------------------------------+
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//| HTTPHeader.mqh |
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//| Copyright 2022, MetaQuotes Ltd. |
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//| https://www.mql5.com |
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//+------------------------------------------------------------------+
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//+------------------------------------------------------------------+
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//| HTTP header parser |
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//+------------------------------------------------------------------+
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class HttpHeader
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{
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string lines[];
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public:
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HttpHeader(string response, const ushort delimiter, const ushort glue)
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{
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if(response == NULL) return;
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StringTrimRight(response);
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const int n = StringSplit(response, delimiter, lines);
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ArrayResize(lines, n * 2);
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for(int i = 0; i < n; ++i)
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{
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StringTrimLeft(lines[i]);
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StringTrimRight(lines[i]);
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string pair[];
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const int m = StringSplit(lines[i], glue, pair);
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if(m > 0)
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{
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StringToLower(pair[0]);
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StringTrimRight(pair[0]);
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lines[i] = pair[0]; // name
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if(m > 1)
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{
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StringTrimLeft(pair[1]);
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lines[i + n] = pair[1]; // value
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}
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else
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{
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lines[i + n] = NULL;
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}
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}
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}
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}
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int size() const
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{
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return ArraySize(lines);
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}
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string operator[](const int i) const
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{
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return lines[i];
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}
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string operator[](string name) const
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{
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const int m = StringLen(name);
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if(m == 0) return NULL;
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StringToLower(name);
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const int n = ArraySize(lines) / 2;
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for(int i = 0; i < n; ++i)
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{
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if(lines[i] == name)
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{
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return lines[i + n];
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}
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}
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return NULL;
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}
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void printRaw() const
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{
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ArrayPrint(lines);
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}
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static string unquote(const string text)
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{
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const int n = StringLen(text);
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if(n >= 2 && text[0] == '"' && text[n - 1] == '"')
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{
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return StringSubstr(text, 1, n - 2);
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}
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return text;
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}
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static string hash(const string text, const ENUM_CRYPT_METHOD method = CRYPT_HASH_MD5)
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{
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uchar data[], result[], empty[];
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StringToCharArray(text, data, 0, StringLen(text), CP_UTF8);
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CryptEncode(method, data, empty, result);
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if(method != CRYPT_BASE64)
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{
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string str = "";
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for(int i = 0; i < ArraySize(result); ++i)
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{
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str += StringFormat("%02x", result[i]);
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}
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return str;
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}
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return CharArrayToString(result);
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}
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string combine(const ushort delimiter, const ushort glue)
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{
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const int n = ArraySize(lines);
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string result = "";
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for(int i = 0; i < n / 2; ++i)
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{
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result += (i > 0 ? ShortToString(delimiter) : "") + lines[i] + ShortToString(glue) + lines[i + n / 2];
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}
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return result;
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}
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};
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//+------------------------------------------------------------------+
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