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/*
Chat module plugin for Miranda IM
Copyright 2000-12 Miranda IM, 2012-15 Miranda NG project,
all portions of this codebase are copyrighted to the people
listed in contributors.txt.
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.
*/
#include "..\..\core\commonheaders.h"
#include "chat.h"
/////////////////////////////////////////////////////////////////////////////////////////
// convert rich edit code to bbcode (if wanted). Otherwise, strip all RTF formatting
// tags and return plain text
static TCHAR tszRtfBreaks[] = _T(" \\\n\r");
static void CreateColorMap(CMString &Text, int iCount, COLORREF *pSrc, int *pDst)
{
const TCHAR *pszText = Text;
int iIndex = 1, i = 0;
static const TCHAR *lpszFmt = _T("\\red%[^ \x5b\\]\\green%[^ \x5b\\]\\blue%[^ \x5b;];");
TCHAR szRed[10], szGreen[10], szBlue[10];
const TCHAR *p1 = _tcsstr(pszText, _T("\\colortbl"));
if (!p1)
return;
const TCHAR *pEnd = _tcschr(p1, '}');
const TCHAR *p2 = _tcsstr(p1, _T("\\red"));
for (i = 0; i < iCount; i++)
pDst[i] = -1;
while (p2 && p2 < pEnd) {
if (_stscanf(p2, lpszFmt, &szRed, &szGreen, &szBlue) > 0) {
for (int i = 0; i < iCount; i++) {
if (pSrc[i] == RGB(_ttoi(szRed), _ttoi(szGreen), _ttoi(szBlue)))
pDst[i] = iIndex;
}
}
iIndex++;
p1 = p2;
p1++;
p2 = _tcsstr(p1, _T("\\red"));
}
}
static int GetRtfIndex(int iCol, int iCount, int *pIndex)
{
for (int i = 0; i < iCount; i++)
if (pIndex[i] == iCol)
return i;
return -1;
}
int DoRtfToTags(CMString &pszText, int iNumColors, COLORREF *pColors)
{
if (pszText.IsEmpty())
return FALSE;
// create an index of colors in the module and map them to
// corresponding colors in the RTF color table
int *pIndex = (int*)_alloca(iNumColors * sizeof(int));
CreateColorMap(pszText, iNumColors, pColors, pIndex);
// scan the file for rtf commands and remove or parse them
int idx = pszText.Find(_T("\\pard"));
if (idx == -1) {
if ((idx = pszText.Find(_T("\\ltrpar"))) == -1)
return FALSE;
idx += 7;
}
else idx += 5;
bool bInsideColor = false, bInsideUl = false;
CMString res;
// iterate through all characters, if rtf control character found then take action
for (const TCHAR *p = pszText.GetString() + idx; *p;) {
switch (*p) {
case '\\':
if (p[1] == '\\' || p[1] == '{' || p[1] == '}') { // escaped characters
res.AppendChar(p[1]);
p += 2; break;
}
if (p[1] == '~') { // non-breaking space
res.AppendChar(0xA0);
p += 2; break;
}
if (!_tcsncmp(p, _T("\\cf"), 3)) { // foreground color
int iCol = _ttoi(p + 3);
int iInd = GetRtfIndex(iCol, iNumColors, pIndex);
bInsideColor = iInd > 0;
}
else if (!_tcsncmp(p, _T("\\highlight"), 10)) { //background color
TCHAR szTemp[20];
int iCol = _ttoi(p + 10);
mir_sntprintf(szTemp, SIZEOF(szTemp), _T("%d"), iCol);
}
else if (!_tcsncmp(p, _T("\\line"), 5)) { // soft line break;
res.AppendChar('\n');
}
else if (!_tcsncmp(p, _T("\\endash"), 7)) {
res.AppendChar(0x2013);
}
else if (!_tcsncmp(p, _T("\\emdash"), 7)) {
res.AppendChar(0x2014);
}
else if (!_tcsncmp(p, _T("\\bullet"), 7)) {
res.AppendChar(0x2022);
}
else if (!_tcsncmp(p, _T("\\ldblquote"), 10)) {
res.AppendChar(0x201C);
}
else if (!_tcsncmp(p, _T("\\rdblquote"), 10)) {
res.AppendChar(0x201D);
}
else if (!_tcsncmp(p, _T("\\lquote"), 7)) {
res.AppendChar(0x2018);
}
else if (!_tcsncmp(p, _T("\\rquote"), 7)) {
res.AppendChar(0x2019);
}
else if (!_tcsncmp(p, _T("\\b"), 2)) { //bold
res.Append((p[2] != '0') ? _T("[b]") : _T("[/b]"));
}
else if (!_tcsncmp(p, _T("\\i"), 2)) { // italics
res.Append((p[2] != '0') ? _T("[i]") : _T("[/i]"));
}
else if (!_tcsncmp(p, _T("\\strike"), 7)) { // strike-out
res.Append((p[7] != '0') ? _T("[s]") : _T("[/s]"));
}
else if (!_tcsncmp(p, _T("\\ul"), 3)) { // underlined
if (p[3] == 0 || _tcschr(tszRtfBreaks, p[3])) {
res.Append(_T("[u]"));
bInsideUl = true;
}
else if (!_tcsnccmp(p + 3, _T("none"), 4)) {
if (bInsideUl)
res.Append(_T("[/u]"));
bInsideUl = false;
}
}
else if (!_tcsncmp(p, _T("\\tab"), 4)) { // tab
res.AppendChar('\t');
}
else if (p[1] == '\'') { // special character
if (p[2] != ' ' && p[2] != '\\') {
TCHAR tmp[10];
if (p[3] != ' ' && p[3] != '\\') {
_tcsncpy(tmp, p + 2, 3);
tmp[3] = 0;
}
else {
_tcsncpy(tmp, p + 2, 2);
tmp[2] = 0;
}
// convert string containing char in hex format to int.
TCHAR *stoppedHere;
res.AppendChar(_tcstol(tmp, &stoppedHere, 16));
}
}
p++; // skip initial slash
p += _tcscspn(p, tszRtfBreaks);
if (*p == ' ')
p++;
break;
case '{': // other RTF control characters
case '}':
p++;
break;
default: // other text that should not be touched
res.AppendChar(*p++);
break;
}
}
if (bInsideUl)
res.Append(_T("[/u]"));
pszText = res;
return TRUE;
}
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