| //+------------------------------------------------------------------+
|
| //| JsonEscape.mqh |
|
| //| Copyright 2026, Niquel Mendoza. |
|
| //| https://www.mql5.com |
|
| //+------------------------------------------------------------------+
|
| #property copyright "Copyright 2026, Niquel Mendoza."
|
| #property link "https://www.mql5.com"
|
| #property strict
|
|
|
| #ifndef JSONPARSERBYLEO_SRC_SER_JSONESCAPE_MQH
|
| #define JSONPARSERBYLEO_SRC_SER_JSONESCAPE_MQH
|
|
|
| //+------------------------------------------------------------------+
|
| //| |
|
| //+------------------------------------------------------------------+
|
| #include "..\\JsonCore\\JsonParser.mqh"
|
| #include <TSN\\Tables\\ToHexChar.mqh>
|
|
|
| //+------------------------------------------------------------------+
|
| //| |
|
| //+------------------------------------------------------------------+
|
| namespace TSN
|
| {
|
| //+------------------------------------------------------------------+
|
| //| |
|
| //+------------------------------------------------------------------+
|
| // CR = CALC RESERVE
|
| // aqui el maximo valor es \uXXXX (6 chars)
|
| #define JSONESCAPE_CR_ENCODE(len) ((len)*6)
|
| // aqui el maximo valor es \\uXXXX (7 chars)
|
| #define JSONESCAPE_CR_ENCODESTR(len) ((len)*7)
|
|
|
| //+------------------------------------------------------------------+
|
| //| |
|
| //+------------------------------------------------------------------+
|
| class CJsonEscape
|
| {
|
| public:
|
| CJsonEscape(void) {}
|
| ~CJsonEscape(void) {}
|
|
|
| //---
|
| static void Encode(const string& s, int i, int l, uchar& buf[], int& pos);
|
| static void Encode(const uchar& s[], int i, int l, uchar& buf[], int& pos);
|
|
|
| //---
|
| static void EncodeStr(const string& s, int i, int l, uchar& buf[], int& pos);
|
| static void EncodeStr(const uchar& s[], int i, int l, uchar& buf[], int& pos);
|
|
|
| };
|
|
|
| //+------------------------------------------------------------------+
|
| //| Trabajo con string |
|
| //+------------------------------------------------------------------+
|
| static void CJsonEscape::EncodeStr(const string &s, int i, int l, uchar &buf[], int &pos)
|
| {
|
| l += i;
|
| for(; i < l; i++)
|
| {
|
| const ushort c = s[i];
|
|
|
| //--- Unicode > 0xFF: \uXXXX con los 4 nibbles completos
|
| if(c > 0xFF)
|
| {
|
| buf[pos++] = '\\';
|
| buf[pos++] = '\\';
|
| buf[pos++] = 'u';
|
| buf[pos++] = g_tsntables_hex_digits[((c >> 12) & 0xF)];
|
| buf[pos++] = g_tsntables_hex_digits[((c >> 8) & 0xF)];
|
| buf[pos++] = g_tsntables_hex_digits[((c >> 4) & 0xF)];
|
| buf[pos++] = g_tsntables_hex_digits[(c & 0xF)];
|
| continue;
|
| }
|
|
|
| //--- 0x00–0xFF: lookup en tabla
|
| const uchar esc = JSONPBL_UET_ESCAPE_GET(c);
|
| if(esc == TSN_TABLE_ESCAPE_PASSTHROUGH)
|
| {
|
| buf[pos++] = (uchar)c;
|
| }
|
| else
|
| if(esc == TSN_TABLE_ESCAPE_UNICODE)
|
| {
|
| buf[pos++] = '\\';
|
| buf[pos++] = '\\';
|
| buf[pos++] = 'u';
|
| buf[pos++] = '0';
|
| buf[pos++] = '0';
|
| uchar t;
|
| t = uchar((c >> 4) & 0xF);
|
| buf[pos++] = g_tsntables_hex_digits[t];
|
| t = uchar(c & 0xF);
|
| buf[pos++] = g_tsntables_hex_digits[t];
|
| }
|
| else
|
| {
|
| //--- letra dedicada: \n \t \\ \" etc.
|
| buf[pos++] = '\\';
|
| buf[pos++] = '\\';
|
| if(esc == '\\' || esc == '"')
|
| buf[pos++] = '\\';
|
| buf[pos++] = esc;
|
| }
|
| }
|
| }
|
|
|
|
|
| //+------------------------------------------------------------------+
|
| static void CJsonEscape::Encode(const string& s, int i, int l, uchar& buf[], int& pos)
|
| {
|
| l += i;
|
| for(; i < l; i++)
|
| {
|
| const ushort c = s[i];
|
|
|
| //--- Unicode > 0xFF: \uXXXX con los 4 nibbles completos
|
| if(c > 0xFF)
|
| {
|
| buf[pos++] = '\\';
|
| buf[pos++] = 'u';
|
| buf[pos++] = g_tsntables_hex_digits[((c >> 12) & 0xF)];
|
| buf[pos++] = g_tsntables_hex_digits[((c >> 8) & 0xF)];
|
| buf[pos++] = g_tsntables_hex_digits[((c >> 4) & 0xF)];
|
| buf[pos++] = g_tsntables_hex_digits[(c & 0xF)];
|
| continue;
|
| }
|
|
|
| //--- 0x00–0xFF: lookup en tabla
|
| const uchar esc = JSONPBL_UET_ESCAPE_GET(c);
|
| if(esc == TSN_TABLE_ESCAPE_PASSTHROUGH)
|
| {
|
| buf[pos++] = (uchar)c;
|
| }
|
| else
|
| if(esc == TSN_TABLE_ESCAPE_UNICODE)
|
| {
|
| buf[pos++] = '\\';
|
| buf[pos++] = 'u';
|
| buf[pos++] = '0';
|
| buf[pos++] = '0';
|
| uchar t;
|
| t = uchar((c >> 4) & 0xF);
|
| buf[pos++] = g_tsntables_hex_digits[t];
|
| t = uchar(c & 0xF);
|
| buf[pos++] = g_tsntables_hex_digits[t];
|
| }
|
| else
|
| {
|
| //--- letra dedicada: \n \t \\ \" etc.
|
| buf[pos++] = '\\';
|
| buf[pos++] = esc;
|
| }
|
| }
|
| }
|
|
|
| //+------------------------------------------------------------------+
|
| //| Trabajo con uchar array |
|
| //+------------------------------------------------------------------+
|
| static void CJsonEscape::Encode(const uchar &s[], int i, int l, uchar &buf[], int &pos)
|
| {
|
| l += i;
|
| for(; i < l; i++)
|
| {
|
| const uchar c = s[i];
|
| const uchar esc = JSONPBL_UET_ESCAPE_GET(c);
|
| if(esc == TSN_TABLE_ESCAPE_PASSTHROUGH)
|
| {
|
| buf[pos++] = c;
|
| }
|
| else
|
| if(esc == TSN_TABLE_ESCAPE_UNICODE)
|
| {
|
| buf[pos++] = '\\';
|
| buf[pos++] = 'u';
|
| buf[pos++] = '0';
|
| buf[pos++] = '0';
|
| uchar t;
|
| t = ((c >> 4) & 0xF);
|
| buf[pos++] = g_tsntables_hex_digits[t];
|
| t = (c & 0xF);
|
| buf[pos++] = g_tsntables_hex_digits[t];
|
| }
|
| else
|
| {
|
| buf[pos++] = '\\';
|
| buf[pos++] = esc;
|
| }
|
| }
|
| }
|
|
|
| //+------------------------------------------------------------------+
|
| void CJsonEscape::EncodeStr(const uchar &s[], int i, int l, uchar &buf[], int &pos)
|
| {
|
| l += i;
|
| for(int i = 0; i < l; i++)
|
| {
|
| const uchar c = s[i];
|
| const uchar esc = JSONPBL_UET_ESCAPE_GET(c);
|
| if(esc == TSN_TABLE_ESCAPE_PASSTHROUGH)
|
| {
|
| buf[pos++] = c;
|
| }
|
| else
|
| if(esc == TSN_TABLE_ESCAPE_UNICODE)
|
| {
|
| buf[pos++] = '\\';
|
| buf[pos++] = '\\';
|
| buf[pos++] = 'u';
|
| buf[pos++] = '0';
|
| buf[pos++] = '0';
|
| uchar t;
|
| t = ((c >> 4) & 0xF);
|
| buf[pos++] = g_tsntables_hex_digits[t];
|
| t = (c & 0xF);
|
| buf[pos++] = g_tsntables_hex_digits[t];
|
| }
|
| else
|
| {
|
| buf[pos++] = '\\';
|
| buf[pos++] = '\\';
|
| if(esc == '\\' || esc == '"')
|
| buf[pos++] = '\\';
|
| buf[pos++] = esc;
|
| }
|
| }
|
| }
|
|
|
| //---
|
| }
|
| #endif // JSONPARSERBYLEO_SRC_SER_JSONESCAPE_MQH
|
