//  ------------------------------------------------------------------
//  GoldED+
//  Copyright (C) 1990-1999 Odinn Sorensen
//  Copyright (C) 1999-2000 Alexander S. Aganichev
//  ------------------------------------------------------------------
//  This program 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 2 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, write to the Free Software
//  Foundation, Inc., 59 Temple Place, Suite 330, Boston,
//  MA 02111-1307 USA
//  ------------------------------------------------------------------
//  $Id$
//  ------------------------------------------------------------------
//  Container class.
//  ------------------------------------------------------------------

#include "golded.h"


//  ------------------------------------------------------------------

inline int isstylechar(char c) { return (c == '*') or (c == '/') or (c == '_') or (c == '#'); }

void Container::StyleCodeHighlight(const char* text, int row, int col, bool dohide, int color) {

  uint sclen = 0;
  char* txptr = text;
  char buf[200];
  const char* ptr = text;
  const char* stylemargins = " -|\\";    // we probably have to make a keyword for it
  char* punctchars = CFG->stylecodepunct;
  char* stylestopchars = CFG->stylecodestops;
  char prevchar = ' ';

  if(dohide or CFG->usestylies) {
    while(*ptr) {
      if(isstylechar(*ptr)) {
        if(strchr(punctchars, prevchar)) {
          int bb = 0, bi = 0, bu = 0, br = 0;
          const char* beginstyle = ptr;
          while(isstylechar(*ptr)) {
            switch(*ptr) {
              case '*': bb++; break;
              case '/': bi++; break;
              case '_': bu++; break;
              case '#': br++; break;
            }
            ptr++;
          }
          if((bb <= 1) and (bi <= 1) and (br <= 1) and (bu <= 1) and *ptr) {
            const char* beginword = ptr;                       //  _/*>another*/_
            char endchar = NUL;
            char* end = ptr;
            do {
              end = strpbrk(++end, punctchars);
            } while ((end) and not isstylechar(*(end-1)));
            if(end)
              endchar = *end;
            else
              end = ptr+strlen(ptr);
            *end = NUL;
            char* endstyle = end-1;                      //  _/*another*/>_
            if(isstylechar(*endstyle) and not strchr(stylemargins, *beginword)) {
              char* endword = endstyle;
              int eb = 0, ei = 0, eu = 0, er = 0;
              while(isstylechar(*endword)) {
                switch(*endword) {
                  case '*': eb++; break;
                  case '/': ei++; break;
                  case '_': eu++; break;
                  case '#': er++; break;
                }
                endword--;
              }                                          //  _/*anothe>r*/_
              if(endword >= beginword and not strchr(stylemargins, *endword)) {
                if((bb == eb) and (bi == ei) and (bu == eu) and (br == er)) {
                  char endwordchar = *endword;
                  *endword = NUL;
                  char* style_stops_present = strpbrk(beginword, stylestopchars);
                  *endword = endwordchar;
                  if(not style_stops_present) {
                    int colorindex = (bb ? 1 : 0) | (bi ? 2 : 0) | (bu ? 4 : 0) | (br ? 8 : 0);
                    strxcpy(buf, txptr, (uint)(beginstyle-txptr)+1);
                    prints(row, col+sclen, color, buf);
                    sclen += strlen(buf);
                    if(dohide)
                      strxcpy(buf, beginword, (uint)(endword-beginword)+2);
                    else
                      strxcpy(buf, beginstyle, (uint)(endstyle-beginstyle)+2);
                    prints(row, col+sclen, C_STYLE[colorindex], buf);
                    sclen += strlen(buf);
                    txptr = end;
                  }
                }
              }
            }
            *end = endchar;
            ptr = end-1;
          }
        }
      }
      if(*ptr)
        prevchar = *ptr++;
    }
  }
  if(*txptr) {
    prints(row, col+sclen, color, txptr);
    sclen += strlen(txptr);
  }
  uint splen = strlen(text) - sclen;
  if(splen) {
    memset(buf, ' ', splen); buf[splen] = NUL;
    prints(row, col+sclen, color, buf);
  }
}


//  ------------------------------------------------------------------