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#include "_globals.h"
#include "message.h"
#include <algorithm>
/*
* Message
*/
void Message::makeRawAvailable()
{
do {
if (m_Available & PtrIsNonT) {
m_Raw = utils::fromA(ext::a::string(reinterpret_cast<const char*>(m_RawSource), m_nLength));
m_Available |= Raw;
break;
}
if (m_Available & PtrIsUTF8) {
m_Raw = utils::fromUTF8(reinterpret_cast<const char*>(m_RawSource));
m_Available |= Raw;
break;
}
m_Raw.assign(reinterpret_cast<const TCHAR*>(m_RawSource), m_nLength);
m_Available |= Raw;
}
while (false);
if (m_bStripRawRTF)
stripRawRTF();
if (m_bStripBBCodes)
stripBBCodes();
}
void Message::stripRawRTF()
{
if (m_Raw.substr(0, 6) == _T("{\\rtf1"))
m_Raw = RTFFilter::filter(m_Raw);
}
void Message::stripBBCodes()
{
static const TCHAR* szSimpleBBCodes[][2] = {
{ _T("[b]"), _T("[/b]") },
{ _T("[u]"), _T("[/u]") },
{ _T("[i]"), _T("[/i]") },
{ _T("[s]"), _T("[/s]") },
};
static const TCHAR* szParamBBCodes[][2] = {
{ _T("[url="), _T("[/url]") },
{ _T("[color="), _T("[/color]") },
};
// convert raw string to lower case
ext::string strRawLC = utils::toLowerCase(m_Raw);
// remove simple BBcodes
array_each_(i, szSimpleBBCodes)
{
const TCHAR* szOpenTag = szSimpleBBCodes[i][0];
const TCHAR* szCloseTag = szSimpleBBCodes[i][1];
int lenOpen = ext::strfunc::len(szOpenTag);
int lenClose = ext::strfunc::len(szCloseTag);
ext::string::size_type posOpen = 0;
ext::string::size_type posClose = 0;
while (true) {
if ((posOpen = strRawLC.find(szOpenTag, posOpen)) == ext::string::npos)
break;
if ((posClose = strRawLC.find(szCloseTag, posOpen + lenOpen)) == ext::string::npos)
break;
strRawLC.erase(posOpen, lenOpen);
strRawLC.erase(posClose - lenOpen, lenClose);
// fix real string
m_Raw.erase(posOpen, lenOpen);
m_Raw.erase(posClose - lenOpen, lenClose);
}
}
// remove BBcodes with parameters
array_each_(i, szParamBBCodes)
{
const TCHAR* szOpenTag = szParamBBCodes[i][0];
const TCHAR* szCloseTag = szParamBBCodes[i][1];
int lenOpen = ext::strfunc::len(szOpenTag);
int lenClose = ext::strfunc::len(szCloseTag);
ext::string::size_type posOpen = 0;
ext::string::size_type posOpen2 = 0;
ext::string::size_type posClose = 0;
while (true) {
if ((posOpen = strRawLC.find(szOpenTag, posOpen)) == ext::string::npos)
break;
if ((posOpen2 = strRawLC.find(']', posOpen + lenOpen)) == ext::string::npos)
break;
if ((posClose = strRawLC.find(szCloseTag, posOpen2 + 1)) == ext::string::npos)
break;
strRawLC.erase(posOpen, posOpen2 - posOpen + 1);
strRawLC.erase(posClose - posOpen2 + posOpen - 1, lenClose);
// fix real string
m_Raw.erase(posOpen, posOpen2 - posOpen + 1);
m_Raw.erase(posClose - posOpen2 + posOpen - 1, lenClose);
}
}
}
void Message::filterLinks()
{
static const TCHAR* szSpaces = _T(" \r\r\n");
static const TCHAR* szPrefixes = _T("([{<:\"'");
static const TCHAR* szSuffixes = _T(".,:;!?)]}>\"'");
static const TCHAR* szValidProtocol = _T("abcdefghijklmnopqrstuvwxyz0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ");
static const TCHAR* szValidHost = _T(".-abcdefghijklmnopqrstuvwxyz0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ");
// init with raw text
m_WithoutLinks = getRaw();
ext::string& msg = m_WithoutLinks;
ext::string::size_type pos = -1;
// detect: protocol://[user[:password]@]host[/path]
while (true) {
if ((pos = msg.find(_T("://"), pos + 1)) == ext::string::npos)
break;
// find start of URL
ext::string::size_type pos_proto = msg.find_last_not_of(szValidProtocol, pos - 1);
(pos_proto == ext::string::npos) ? pos_proto = 0 : ++pos_proto;
if (pos_proto < pos) {
// find end of URL
ext::string::size_type pos_last = msg.find_first_of(szSpaces, pos + 3);
(pos_last == ext::string::npos) ? pos_last = msg.length() - 1 : --pos_last;
// filter suffixes (punctuation, parentheses, ...)
if (ext::strfunc::chr(szSuffixes, msg[pos_last]))
--pos_last;
// find slash: for host name validation
ext::string::size_type pos_slash = msg.find('/', pos + 3);
if (pos_slash == ext::string::npos || pos_slash > pos_last)
pos_slash = pos_last + 1;
// find at: for host name validation
ext::string::size_type pos_at = msg.find('@', pos + 3);
if (pos_at == ext::string::npos || pos_at > pos_slash)
pos_at = pos + 2;
// check for valid host (x.x)
if (pos_slash - pos_at > 3) {
ext::string::size_type pos_invalid = msg.find_first_not_of(szValidHost, pos_at + 1);
if (pos_invalid == ext::string::npos || pos_invalid >= pos_slash) {
if (std::count(msg.begin() + pos_at + 1, msg.begin() + pos_slash, '.') >= 1) {
ext::string link = msg.substr(pos_proto, pos_last - pos_proto + 1);
// remove extracted link from message text
msg.erase(pos_proto, link.length());
pos = pos_last - link.length();
// TODO: put link in list
}
}
}
}
}
// detect: www.host[/path]
pos = -1;
while (true) {
if ((pos = msg.find(_T("www."), pos + 1)) == ext::string::npos)
break;
// find end of URL
ext::string::size_type pos_last = msg.find_first_of(szSpaces, pos + 4);
(pos_last == ext::string::npos) ? pos_last = msg.length() - 1 : --pos_last;
// filter suffixes (punctuation, parentheses, ...)
if (ext::strfunc::chr(szSuffixes, msg[pos_last]))
--pos_last;
// find slash: for host name validation
ext::string::size_type pos_slash = msg.find('/', pos + 4);
if (pos_slash == ext::string::npos || pos_slash > pos_last)
pos_slash = pos_last + 1;
// find at: for host name validation
ext::string::size_type pos_at = pos + 3;
// check for valid host (x.x)
if (pos_slash - pos_at > 3) {
ext::string::size_type pos_invalid = msg.find_first_not_of(szValidHost, pos_at + 1);
if (pos_invalid == ext::string::npos || pos_invalid >= pos_slash) {
if (std::count(msg.begin() + pos_at + 1, msg.begin() + pos_slash, '.') >= 1) {
ext::string link = _T("http://") + msg.substr(pos, pos_last - pos + 1);
// remove extracted link from message text
msg.erase(pos, link.length() - 7);
pos = pos_last - (link.length() - 7);
// TODO: put link in list
}
}
}
}
// detect: user@host
pos = -1;
while (true) {
if ((pos = msg.find('@', pos + 1)) == ext::string::npos)
break;
if (pos > 0 && pos < msg.length() - 1) {
// find end of address
ext::string::size_type pos_last = msg.find_first_not_of(szValidHost, pos + 1);
(pos_last == ext::string::npos) ? pos_last = msg.length() - 1 : --pos_last;
// filter suffixes (punctuation, parentheses, ...)
if (ext::strfunc::chr(szSuffixes, msg[pos_last]))
--pos_last;
// find start of address
ext::string::size_type pos_first = msg.find_last_of(szSpaces, pos - 1);
(pos_first == ext::string::npos) ? pos_first = 0 : ++pos_first;
// filter prefixes (punctuation, parentheses, ...)
if (ext::strfunc::chr(szPrefixes, msg[pos_first]))
++pos_first;
// check for valid host (x.x)
if (pos_first < pos && pos_last - pos >= 3) {
if (std::count(msg.begin() + pos + 1, msg.begin() + pos_last + 1, '.') >= 1) {
ext::string link = msg.substr(pos_first, pos_last - pos_first + 1);
// remove extracted link from message text
msg.erase(pos_first, link.length());
pos = pos_last - (link.length());
// prepend "mailto:" if missing
if (link.substr(0, 7) != _T("mailto:")) {
link.insert(0, _T("mailto:"));
}
// TODO: put link in list
}
}
}
}
m_Available |= WithoutLinks;
}
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