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#include "stdafx.h"
struct BBCodeInfo
{
wchar_t *start;
wchar_t *end;
bool(*func)(IFormattedTextDraw *ftd, CHARRANGE range, wchar_t *txt, DWORD cookie);
DWORD cookie;
};
enum {
BBS_BOLD_S, BBS_BOLD_E, BBS_ITALIC_S, BBS_ITALIC_E, BBS_UNDERLINE_S, BBS_UNDERLINE_E,
BBS_STRIKEOUT_S, BBS_STRIKEOUT_E, BBS_COLOR_S, BBS_COLOR_E, BBS_URL1, BBS_URL2,
BBS_IMG1, BBS_IMG2
};
static bool bbCodeSimpleFunc(IFormattedTextDraw *ftd, CHARRANGE range, wchar_t *, DWORD cookie)
{
CHARFORMAT cf = { 0 };
cf.cbSize = sizeof(cf);
switch (cookie) {
case BBS_BOLD_S:
cf.dwMask = CFM_BOLD;
cf.dwEffects = CFE_BOLD;
break;
case BBS_BOLD_E:
cf.dwMask = CFM_BOLD;
break;
case BBS_ITALIC_S:
cf.dwMask = CFM_ITALIC;
cf.dwEffects = CFE_ITALIC;
break;
case BBS_ITALIC_E:
cf.dwMask = CFM_ITALIC;
break;
case BBS_UNDERLINE_S:
cf.dwMask = CFM_UNDERLINE;
cf.dwEffects = CFE_UNDERLINE;
break;
case BBS_UNDERLINE_E:
cf.dwMask = CFM_UNDERLINE;
break;
case BBS_STRIKEOUT_S:
cf.dwMask = CFM_STRIKEOUT;
cf.dwEffects = CFE_STRIKEOUT;
break;
case BBS_STRIKEOUT_E:
cf.dwMask = CFM_STRIKEOUT;
break;
}
ITextServices *ts = ftd->getTextService();
LRESULT lResult;
ts->TxSendMessage(EM_SETSEL, range.cpMin, -1, &lResult);
ts->TxSendMessage(EM_SETCHARFORMAT, SCF_SELECTION, (LPARAM)&cf, &lResult);
ts->TxSendMessage(EM_SETSEL, range.cpMin, range.cpMax, &lResult);
ts->TxSendMessage(EM_REPLACESEL, FALSE, (LPARAM)L"", &lResult);
return true;
}
static bool bbCodeImageFunc(IFormattedTextDraw *ftd, CHARRANGE range, wchar_t *txt, DWORD)
{
ITextServices *ts = ftd->getTextService();
ITextDocument *td = ftd->getTextDocument();
long cnt;
LRESULT lResult;
ts->TxSendMessage(EM_SETSEL, range.cpMin, range.cpMax, &lResult);
IRichEditOle* RichEditOle;
ts->TxSendMessage(EM_GETOLEINTERFACE, 0, (LPARAM)&RichEditOle, &lResult);
td->Freeze(&cnt);
#ifdef _WIN64
bool res = InsertBitmap(RichEditOle, CacheIconToEmf((HICON)_wtoi64(txt)));
#else
bool res = InsertBitmap(RichEditOle, CacheIconToEmf((HICON)_wtoi(txt)));
#endif
td->Unfreeze(&cnt);
RichEditOle->Release();
return res;
}
static BBCodeInfo bbCodes[] =
{
{ L"[b]", nullptr, bbCodeSimpleFunc, BBS_BOLD_S },
{ L"[/b]", nullptr, bbCodeSimpleFunc, BBS_BOLD_E },
{ L"[i]", nullptr, bbCodeSimpleFunc, BBS_ITALIC_S },
{ L"[/i]", nullptr, bbCodeSimpleFunc, BBS_ITALIC_E },
{ L"[u]", nullptr, bbCodeSimpleFunc, BBS_UNDERLINE_S },
{ L"[/u]", nullptr, bbCodeSimpleFunc, BBS_UNDERLINE_E },
{ L"[s]", nullptr, bbCodeSimpleFunc, BBS_STRIKEOUT_S },
{ L"[/s]", nullptr, bbCodeSimpleFunc, BBS_STRIKEOUT_E },
// { L"[color=", L"]", bbCodeSimpleFunc, BBS_COLOR_S },
// { L"[/color]", 0, bbCodeSimpleFunc, BBS_COLOR_E }
{ L"[$hicon=", L"$]", bbCodeImageFunc, 0 }
// { L"[url]", L"[/url]", bbCodeSimpleFunc, BBS_URL1 },
// { L"[url=", L"]", bbCodeSimpleFunc, BBS_URL2 },
// { L"[url]", L"[/url]", bbCodeSimpleFunc, BBS_IMG1 },
// { L"[url=", L"]", bbCodeSimpleFunc, BBS_IMG2 },
};
static int bbCodeCount = sizeof(bbCodes) / sizeof(*bbCodes);
void bbCodeParse(IFormattedTextDraw *ftd)
{
ITextServices *ts = ftd->getTextService();
LRESULT lResult;
int pos = 0;
for (bool found = true; found;) {
found = false;
CHARRANGE fRange; fRange.cpMin = -1;
wchar_t *fText = nullptr;
BBCodeInfo *fBBCode = nullptr;
for (int i = 0; i < bbCodeCount; i++) {
CHARRANGE range;
FINDTEXTEX fte;
fte.chrg.cpMin = pos;
fte.chrg.cpMax = -1;
fte.lpstrText = bbCodes[i].start;
ts->TxSendMessage(EM_FINDTEXTEX, (WPARAM)FR_DOWN, (LPARAM)&fte, &lResult);
if (lResult == -1)
continue;
range = fte.chrgText;
if (bbCodes[i].end) {
fte.chrg.cpMin = fte.chrgText.cpMax;
fte.lpstrText = bbCodes[i].end;
ts->TxSendMessage(EM_FINDTEXTEX, (WPARAM)FR_DOWN, (LPARAM)&fte, &lResult);
if (lResult == -1)
continue;
range.cpMax = fte.chrgText.cpMax;
}
if ((fRange.cpMin == -1) || (fRange.cpMin > range.cpMin)) {
fRange = range;
fBBCode = bbCodes + i;
found = true;
if (fText)
{
delete[] fText;
fText = nullptr;
}
if (bbCodes[i].end) {
TEXTRANGE trg;
trg.chrg.cpMin = fte.chrg.cpMin;
trg.chrg.cpMax = fte.chrgText.cpMin;
trg.lpstrText = new wchar_t[trg.chrg.cpMax - trg.chrg.cpMin + 1];
ts->TxSendMessage(EM_GETTEXTRANGE, 0, (LPARAM)&trg, &lResult);
fText = trg.lpstrText;
}
}
}
if (found) {
found = fBBCode->func(ftd, fRange, fText, fBBCode->cookie);
if (fText) delete[] fText;
}
}
}
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