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/*
Chat module plugin for Miranda IM
Copyright (C) 2003 Jörgen Persson
Copyright 2003-2009 Miranda ICQ/IM project,
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 "../commonheaders.h"
#include "chat.h"
#include <math.h>
static int RTFColorToIndex(int *pIndex, int iCol, SESSION_INFO* si)
{
int i;
MODULEINFO * pMod = MM_FindModule(si->pszModule);
for (i = 0; i < pMod->nColorCount ; i++)
if ( pIndex[i] == iCol )
return i;
return -1;
}
static void CreateColorMap( char* Text, int *pIndex, SESSION_INFO* si)
{
char *p1, *p2, *pEnd;
int iIndex = 1;
static const char* lpszFmt = "\\red%[^ \x5b\\]\\green%[^ \x5b\\]\\blue%[^ \x5b;];";
char szRed[10], szGreen[10], szBlue[10];
p1 = strstr(Text, "\\colortbl" );
if ( !p1 )
return;
pEnd = strchr(p1, '}');
p2 = strstr(p1, "\\red" );
while (p2 && p2 < pEnd) {
if ( sscanf( p2, lpszFmt, &szRed, &szGreen, &szBlue) > 0 ) {
int i;
MODULEINFO * pMod = MM_FindModule(si->pszModule);
for (i = 0; i < pMod->nColorCount ; i ++)
if (pMod->crColors[i] == RGB( atoi(szRed), atoi(szGreen), atoi(szBlue)))
pIndex[i] = iIndex;
}
iIndex++;
p1 = p2;
p1 ++;
p2 = strstr(p1, "\\red" );
} }
static int ReadInteger( const char* p, int* result )
{
char temp[10];
int i=0;
while ( isdigit( *p ))
temp[i++] = *p++;
temp[i] = 0;
if ( result != NULL )
*result = atoi( temp );
return i;
}
TCHAR* DoRtfToTags( char* pszText, SESSION_INFO* si)
{
char *p1;
int* pIndex;
int i, iRemoveChars;
char InsertThis[50];
BOOL bJustRemovedRTF = TRUE;
BOOL bTextHasStarted = FALSE;
TCHAR *ptszResult;
int iUcMode = 0;
if ( !pszText )
return FALSE;
// create an index of colors in the module and map them to
// corresponding colors in the RTF color table
pIndex = (int *)mir_alloc(sizeof(int) * MM_FindModule(si->pszModule)->nColorCount);
for(i = 0; i < MM_FindModule(si->pszModule)->nColorCount ; i++)
pIndex[i] = -1;
CreateColorMap( pszText, pIndex, si );
// scan the file for rtf commands and remove or parse them
p1 = strstr( pszText, "\\pard" );
if ( p1 == NULL ) {
mir_free(pIndex);
return FALSE;
}
p1 += 5;
MoveMemory( pszText, p1, lstrlenA( p1 ) + 1 );
p1 = pszText;
// iterate through all characters, if rtf control character found then take action
while ( *p1 != '\0' ) {
InsertThis[0] = 0;
iRemoveChars = 0;
switch (*p1) {
case '\\':
if ( !memcmp(p1, "\\cf", 3 )) { // foreground color
int iCol, iInd;
iRemoveChars = 3 + ReadInteger(p1+3, &iCol);
iInd = RTFColorToIndex(pIndex, iCol, si);
bJustRemovedRTF = TRUE;
if (bTextHasStarted || iInd >= 0)
mir_snprintf( InsertThis, SIZEOF(InsertThis), ( iInd >= 0 ) ? "%%c%02u" : "%%C", iInd);
}
else if ( !memcmp(p1, "\\highlight", 10 )) { //background color
int iCol, iInd;
iRemoveChars = 10 + ReadInteger(p1+10, &iCol);
iInd = RTFColorToIndex(pIndex, iCol, si);
bJustRemovedRTF = TRUE;
if (bTextHasStarted || iInd >= 0)
mir_snprintf( InsertThis, SIZEOF(InsertThis), ( iInd >= 0 ) ? "%%f%02u" : "%%F", iInd);
}
else if ( !memcmp(p1, "\\lang", 5 )) { // language id
bTextHasStarted = bJustRemovedRTF = TRUE;
iRemoveChars = 5 + ReadInteger( p1+5, NULL );
}
else if ( !memcmp(p1, "\\par", 4 )) { // newline
bTextHasStarted = bJustRemovedRTF = TRUE;
iRemoveChars = 4;
strcpy(InsertThis, "\n" );
}
else if ( !memcmp(p1, "\\line", 5 )) { // newline
bTextHasStarted = bJustRemovedRTF = TRUE;
iRemoveChars = 5;
strcpy(InsertThis, "\n" );
}
else if (!memcmp(p1, "\\bullet", 7)) {
bTextHasStarted = TRUE;
bJustRemovedRTF = TRUE;
iRemoveChars = 7;
strcpy(InsertThis, "\xE2\x80\xA2");
}
else if ( !memcmp(p1, "\\b", 2 )) { //bold
bTextHasStarted = bJustRemovedRTF = TRUE;
iRemoveChars = (p1[2] != '0')?2:3;
mir_snprintf(InsertThis, SIZEOF(InsertThis), (p1[2] != '0') ? "%%b": "%%B" );
}
else if ( !memcmp(p1, "\\i", 2 )) { // italics
bTextHasStarted = bJustRemovedRTF = TRUE;
iRemoveChars = (p1[2] != '0')?2:3;
mir_snprintf(InsertThis, SIZEOF(InsertThis), (p1[2] != '0') ? "%%i" : "%%I" );
}
else if ( !memcmp(p1, "\\uc", 3 )) { // number of Unicode chars
bTextHasStarted = bJustRemovedRTF = TRUE;
iUcMode = p1[3] - '0';
iRemoveChars = 4;
}
else if ( !memcmp(p1, "\\ul", 3 )) { // underlined
bTextHasStarted = bJustRemovedRTF = TRUE;
if (p1[3] == 'n')
iRemoveChars = 7;
else if (p1[3] == '0')
iRemoveChars = 4;
else
iRemoveChars = 3;
mir_snprintf(InsertThis, SIZEOF(InsertThis), (p1[3] != '0' && p1[3] != 'n') ? "%%u" : "%%U" );
}
else if ( p1[1] == 'f' && isdigit( p1[2] )) { // unicode char
bTextHasStarted = bJustRemovedRTF = TRUE;
iRemoveChars = 2 + ReadInteger( p1+2, NULL );
}
else if ( !memcmp(p1, "\\tab", 4 )) { // tab
bTextHasStarted = TRUE;
bJustRemovedRTF = TRUE;
iRemoveChars = 4;
strcpy(InsertThis, " " );
}
else if (!memcmp(p1, "\\endash", 7)) {
bTextHasStarted = TRUE;
bJustRemovedRTF = TRUE;
iRemoveChars = 7;
strcpy(InsertThis, "\xE2\x80\x93");
}
else if (!memcmp(p1, "\\emdash", 7)) {
bTextHasStarted = TRUE;
bJustRemovedRTF = TRUE;
iRemoveChars = 7;
strcpy(InsertThis, "\xE2\x80\x94");
}
else if (!memcmp(p1, "\\lquote",7)) {
bTextHasStarted = TRUE;
bJustRemovedRTF = TRUE;
iRemoveChars = 7;
strcpy(InsertThis, "\xE2\x80\x98");
}
else if (!memcmp(p1, "\\rquote",7)) {
bTextHasStarted = TRUE;
bJustRemovedRTF = TRUE;
iRemoveChars = 7;
strcpy(InsertThis, "\xE2\x80\x99");
}
else if (!memcmp(p1, "\\ldblquote",10)) {
bTextHasStarted = TRUE;
bJustRemovedRTF = TRUE;
iRemoveChars = 10;
strcpy(InsertThis, "\xe2\x80\x9c");
}
else if (!memcmp(p1, "\\rdblquote",10)) {
bTextHasStarted = TRUE;
bJustRemovedRTF = TRUE;
iRemoveChars = 10;
strcpy(InsertThis, "\xe2\x80\x9d");
}
else if ( p1[1] == '\\' || p1[1] == '{' || p1[1] == '}' ) { // escaped characters
bTextHasStarted = TRUE;
bJustRemovedRTF = FALSE;
iRemoveChars = 2;
mir_snprintf(InsertThis, SIZEOF(InsertThis), "%c", p1[1]);
}
else if ( p1[1] == '~' ) { // non-breaking space
bTextHasStarted = TRUE;
bJustRemovedRTF = FALSE;
iRemoveChars = 2;
strcpy(InsertThis, "\xC2\xA0");
}
else if ( p1[1] == '\'' ) { // special character
char tmp[4], *p3 = tmp;
bTextHasStarted = TRUE;
bJustRemovedRTF = FALSE;
if (p1[2] != ' ' && p1[2] != '\\') {
*p3++ = p1[2];
iRemoveChars = 3;
if ( p1[3] != ' ' && p1[3] != '\\') {
*p3++ = p1[3];
iRemoveChars++;
}
*p3 = 0;
sscanf( tmp, "%x", InsertThis );
InsertThis[1] = 0;
}
else iRemoveChars = 2;
}
else if ( bJustRemovedRTF ) { // remove unknown RTF command
int j = 1;
bJustRemovedRTF = TRUE;
while(p1[j] != ' ' && p1[j] != '\\' && p1[j] != '\0')
j++;
iRemoveChars = j;
}
break;
case '{': // other RTF control characters
case '}':
iRemoveChars = 1;
break;
case '\r': case '\n':
bTextHasStarted = TRUE;
bJustRemovedRTF = FALSE;
iRemoveChars = 1;
break;
case '%': // escape chat -> protocol control character
bTextHasStarted = TRUE;
bJustRemovedRTF = FALSE;
iRemoveChars = 1;
mir_snprintf(InsertThis, SIZEOF(InsertThis), "%%%%" );
break;
case ' ': // remove spaces following a RTF command
if (bJustRemovedRTF)
iRemoveChars = 1;
bJustRemovedRTF = FALSE;
bTextHasStarted = TRUE;
break;
default: // other text that should not be touched
bTextHasStarted = TRUE;
bJustRemovedRTF = FALSE;
break;
}
// move the memory and paste in new commands instead of the old RTF
if ( InsertThis[0] || iRemoveChars ) {
MoveMemory(p1 + lstrlenA(InsertThis) , p1 + iRemoveChars, lstrlenA(p1) - iRemoveChars +1 );
CopyMemory(p1, InsertThis, lstrlenA(InsertThis));
p1 += lstrlenA(InsertThis);
}
else p1++;
}
mir_free(pIndex);
mir_utf8decode(pszText, &ptszResult);
return ptszResult;
}
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