133 lines
4.9 KiB
C++
133 lines
4.9 KiB
C++
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// ------------------------------------------------------------------
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// GoldED+
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// Copyright (C) 1990-1999 Odinn Sorensen
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// Copyright (C) 1999-2000 Alexander S. Aganichev
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// ------------------------------------------------------------------
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// This program is free software; you can redistribute it and/or
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// modify it under the terms of the GNU General Public License as
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// published by the Free Software Foundation; either version 2 of the
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// License, or (at your option) any later version.
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//
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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// General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with this program; if not, write to the Free Software
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// Foundation, Inc., 59 Temple Place, Suite 330, Boston,
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// MA 02111-1307 USA
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// ------------------------------------------------------------------
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// $Id$
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// ------------------------------------------------------------------
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// Container class.
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// ------------------------------------------------------------------
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#include "golded.h"
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// ------------------------------------------------------------------
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bool strncont(const char *beginword, const char *stylestopchars, int n)
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{
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for(; (n > 0) and (*beginword != NUL); n--, beginword++) {
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if(strchr(stylestopchars, *beginword) != NULL)
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return true;
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}
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return false;
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}
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// ------------------------------------------------------------------
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inline int isstylechar(char c) { return (c == '*') or (c == '/') or (c == '_') or (c == '#'); }
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void Container::StyleCodeHighlight(const char* text, int row, int col, bool dohide, int color) {
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uint sclen = 0;
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const char* txptr = text;
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char buf[200];
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const char* ptr = text;
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const char* stylemargins = " -|\\"; // we probably have to make a keyword for it
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char* punctchars = CFG->stylecodepunct;
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char* stylestopchars = CFG->stylecodestops;
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char prevchar = ' ';
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if(dohide or CFG->usestylies) {
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while(*ptr) {
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if(isstylechar(*ptr)) {
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if(strchr(punctchars, prevchar)) {
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int bb = 0, bi = 0, bu = 0, br = 0;
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const char* beginstyle = ptr;
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while(isstylechar(*ptr)) {
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switch(*ptr) {
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case '*': bb++; break;
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case '/': bi++; break;
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case '_': bu++; break;
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case '#': br++; break;
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}
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ptr++;
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}
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if((bb <= 1) and (bi <= 1) and (br <= 1) and (bu <= 1) and *ptr) {
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const char* beginword = ptr; // _/*>another*/_
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const char* end = ptr;
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do {
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end = strpbrk(++end, punctchars);
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} while ((end != NULL) and not isstylechar(*(end-1)));
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if(end == NULL)
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end = ptr+strlen(ptr);
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const char* endstyle = end-1; // _/*another*/>_
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if(isstylechar(*endstyle) and not strchr(stylemargins, *beginword)) {
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const char* endword = endstyle;
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int eb = 0, ei = 0, eu = 0, er = 0;
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while(isstylechar(*endword)) {
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switch(*endword) {
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case '*': eb++; break;
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case '/': ei++; break;
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case '_': eu++; break;
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case '#': er++; break;
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}
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endword--;
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} // _/*anothe>r*/_
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if(endword >= beginword and not strchr(stylemargins, *endword)) {
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if((bb == eb) and (bi == ei) and (bu == eu) and (br == er)) {
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bool style_stops_present = strncont(beginword, stylestopchars, endword-beginword);
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if(not style_stops_present) {
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int colorindex = (bb ? 1 : 0) | (bi ? 2 : 0) | (bu ? 4 : 0) | (br ? 8 : 0);
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strxcpy(buf, txptr, (uint)(beginstyle-txptr)+1);
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prints(row, col+sclen, color, buf);
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sclen += strlen(buf);
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if(dohide)
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strxcpy(buf, beginword, (uint)(endword-beginword)+2);
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else
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strxcpy(buf, beginstyle, (uint)(endstyle-beginstyle)+2);
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prints(row, col+sclen, C_STYLE[colorindex], buf);
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sclen += strlen(buf);
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txptr = end;
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}
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}
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}
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}
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ptr = end-1;
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}
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}
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}
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if(*ptr)
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prevchar = *ptr++;
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}
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}
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if(*txptr) {
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prints(row, col+sclen, color, txptr);
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sclen += strlen(txptr);
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}
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uint splen = strlen(text) - sclen;
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if(splen) {
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memset(buf, ' ', splen); buf[splen] = NUL;
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prints(row, col+sclen, color, buf);
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}
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}
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// ------------------------------------------------------------------
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