Subversion Repositories Kolibri OS

//Leency & SoUrcerer, LGPL

void ParseMail()

{

	dword line_off, new_buf;

	char tline[256];

	if ( mailend-mailstart > 9) && (strncmp(mailend-5,"\n.\n",5)==0) // note that c-- assembles "\n.\n" to 0x0d, 0x0a, 0x2e, 0x0d, 0x0a

	{

		mailend -= 5;

		DSBYTE[mailend] = '\0';

		if (strstr(mailstart, "+OK")!=mailstart)

		{

			aim = GET_ANSWER_RETR;

			mailend = mailstart;

			debug("GET_ANSWER_RETR != +OK, retry GET_ANSWER_RETR");

			return;

		}

		aim=NULL;

		mailsize = mailend - mailstart;

		debug("Getting QP");

		if (strstri(mailstart, "quoted-printable")!=0)

		{

			new_buf = malloc(mailsize);

			qp_decode stdcall (mailstart, new_buf, mailsize);

			if (EAX==-1) debug("Too small buffer to convert QUOTED-PRINTABLE");

			else

			{

				free(mailstart);

				mailstart = new_buf;

				mailsize = strlen(mailstart);

				mailend = mailsize + mailstart;

			}

		}

		debug("GetHeaders: From, To, Date, Subject");

		GetHeader(#from, "\nFrom:");

		GetHeader(#to,   "\nTo:");

		GetHeader(#date, "\nDate:");

		GetHeader(#subj, "\nSubject:");

		debug("Get mdata");

		mdata = strstr(mailstart, "\x0a\x0d") + 3;		// 0x0d 0x0a, 0x0a

		debug("ConvertToDOS");

		ConvertToDOS(mdata, mailstart);

		debug("FromHTMLtoTXT");

		FromHTMLtoTXT();

		letter_view.first = letter_view.count = 0;

		line_off = mdata;

		while (line_off>1)

		{

			line_off = GetNextLine(line_off);

			letter_view.count++;

		}

		debug("SetAtrFromCurr");

		atr.SetAtrFromCurr(mail_list.current+1);

		DrawMailBox();

	}

}

void ConvertToDOS(dword inbuf, searchin)

{

	dword dos_buf=0;

	if (use_iconv==1)

	{

		cur_charset = CH_CP866;

		if (strstri(searchin, "windows-1251")!=0) || (strstri(searchin, "windows1251")!=0)

			{ dos_buf = ChangeCharset("CP1251", "CP866", inbuf);    cur_charset = CH_CP1251;}

		else if (strstri(searchin, "koi8-")!=0)

			{ dos_buf = ChangeCharset("KOI8-RU", "CP866", inbuf);   cur_charset = CH_KOI8;}

		else if (strstri(searchin, "utf-8")!=0) || (strstri(searchin, "utf8")!=0)

			{ dos_buf = ChangeCharset("UTF-8", "CP866", inbuf);     cur_charset = CH_UTF8;}

		else if (strstri(searchin, "iso8859-5")!=0) || (strstri(searchin, "iso-8859-5")!=0)

			{ dos_buf = ChangeCharset("ISO8859-5", "CP866", inbuf); cur_charset = CH_ISO8859_5;}

		else if (strstri(searchin, "windows-1252")!=0) || (strstri(searchin, "windows1252")!=0)

			{ dos_buf = ChangeCharset("CP1252", "CP866", inbuf);    cur_charset = CH_CP1252;}

	}

	else

	{

		if (strstri(searchin, "windows-1251")!=0) wintodos( inbuf); else

		if (strstri(searchin, "koi8-")!=0)        koitodos( inbuf); else

		if (strstri(searchin, "utf-8")!=0)        utf8rutodos( inbuf);

	}

}

void FromHTMLtoTXT()

{

	dword cur_chr, txt_buf_srt, txt_buf_end, is_tag=0;

	int i;

	if (strstri(mdata, "")==0) && (strstri(mailstart, "text/html")==0) {debug("no html tags found"); return;}

	debug ("Mail got  code");

	cur_chr = mdata;

	txt_buf_srt = malloc(mailend - mailstart);

	txt_buf_end = txt_buf_srt;

	while (cur_chr < mailend)

	{

		if (DSBYTE[cur_chr]=='<') is_tag = 1;

		if (!is_tag)

		{

		 	DSBYTE[txt_buf_end] = DSBYTE[cur_chr];

		 	txt_buf_end++;

		 	_END:

		}

		if (DSBYTE[cur_chr]=='>') is_tag = NULL;

		cur_chr++;

	}

	DSBYTE[txt_buf_end] = '\0';

	strcpy(mdata, txt_buf_srt);

	mailend = strlen(mailstart) + mailstart;

	free(txt_buf_srt);

}

dword GetNextLine(dword start_offset)

{

	dword off_n = strstr(start_offset, "\n") + 1,  //разрыв строки

	      off_w = letter_view.w / 6 - 2 + start_offset, //max длинна скроки

	      off_m;

	off_m = off_w;

	if (off_n < off_w) return off_n;

	while (off_m > start_offset) //перенос по словам

	{

		if (DSBYTE[off_m]==' ') || (DSBYTE[off_m]=='\9') || (DSBYTE[off_m]=='-') return off_m;

		off_m--;

	}

	return off_w;

}

dword CopyBetweenOffsets(dword start, end) //do not forget to free(line) after use

{

	dword line, new_line;

	if (end <= start) return 0;

	line = new_line = malloc(end - start + 3);

	while (end > start)

	{

		DSBYTE[new_line] = DSBYTE[start];

		start++;

		new_line++;

	}

	DSBYTE[new_line] = '\0';

	return line;

}

void GetHeader(dword workstr, searchstr)

{

	char tmpbuf[512];

	dword Qoff;

	int q_start, b_start;

	strcpyb(mailstart, workstr, searchstr, "\n");

	debug(searchstr);

	debug(workstr);

	if (strlen(workstr)<8) return;

	q_start = strstri(workstr, "?Q?");

	b_start = strstri(workstr, "?B?");

	if (q_start)

	{

		qp_decode stdcall (workstr, #tmpbuf, strlen(workstr));

		ConvertToDOS(#tmpbuf, workstr);

		strcpy(workstr, #tmpbuf);

		Qoff = strstri(workstr, "?Q?");

		strcpy(workstr, Qoff);

	}

	//any text that goes after "?=" deletes now

	if (b_start)

	{

		base64_decode stdcall (b_start, #tmpbuf, strlen(b_start)-5);

		ConvertToDOS(#tmpbuf, workstr);

		strcpy(workstr, #tmpbuf);

	}

	if (strlen(workstr)+10*6-Form.cwidth>0) { workstr=Form.cwidth/6+workstr-12; DSBYTE[workstr]='\0';}

}