90 lines
2.8 KiB
C++
90 lines
2.8 KiB
C++
/* h_tex.cpp
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*
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* Copyright (c) 1994-1996, Marko Macek
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*
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* You may distribute under the terms of either the GNU General Public
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* License or the Artistic License, as specified in the README file.
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*
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*/
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#include "fte.h"
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#ifdef CONFIG_HILIT_TEX
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#define hsTEX_Normal 0
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#define hsTEX_Tag 1
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#define hsTEX_Comment 2
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#define hsTEX_Special 3
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int Hilit_TEX(EBuffer *BF, int /*LN*/, PCell B, int Pos, int Width, ELine *Line, hlState &State, hsState *StateMap, int *ECol) {
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ChColor *Colors = BF->Mode->fColorize->Colors;
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HILIT_VARS(Colors[CLR_Normal], Line);
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int j;
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for (i = 0; i < Line->Count;) {
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IF_TAB() else {
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switch (State) {
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case hsTEX_Normal:
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Color = Colors[CLR_Normal];
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if (*p == '%') {
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State = hsTEX_Comment;
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Color = Colors[CLR_Comment];
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goto hilit;
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} else if (*p == '\\') {
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State = hsTEX_Tag;
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Color = Colors[CLR_Tag];
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ColorNext();
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continue;
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} else if (*p == '{' || *p == '}' || *p == '$' || *p == '&' || *p == '|') {
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State = hsTEX_Special;
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Color = Colors[CLR_Special];
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ColorNext();
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State = hsTEX_Normal;
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continue;
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}
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goto hilit;
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case hsTEX_Tag:
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Color = Colors[CLR_Tag];
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if (isalpha(*p)) {
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j = 0;
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while (((i + j) < Line->Count) &&
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(isalnum(Line->Chars[i+j])/* ||
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(Line->Chars[i + j] == '_')*/)
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) j++;
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if (BF->GetHilitWord(j, &Line->Chars[i], Color, 0)) {
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}
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if (StateMap)
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memset(StateMap + i, State, j);
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if (B)
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MoveMem(B, C - Pos, Width, Line->Chars + i, Color, j);
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i += j;
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len -= j;
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p += j;
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C += j;
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Color = Colors[CLR_Normal];
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State = hsTEX_Normal;
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continue;
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}
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ColorNext();
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Color = Colors[CLR_Normal];
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State = hsTEX_Normal;
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continue;
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case hsTEX_Comment:
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Color = Colors[CLR_Comment];
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goto hilit;
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default:
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State = hsTEX_Normal;
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Color = Colors[CLR_Normal];
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hilit:
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ColorNext();
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continue;
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}
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}
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}
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if (State == hsTEX_Comment)
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State = hsTEX_Normal;
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*ECol = C;
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return 0;
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}
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#endif
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