int CJabberProto::AddFeatures(LPCTSTR szFeatures)
{
if (!szFeatures)
return false;
mir_cslockfull lck(m_csLists);
BOOL ret = true;
LPCTSTR szFeat = szFeatures;
while (szFeat[0]) {
JabberFeatCapPairDynamic *fcp = FindFeature(szFeat);
// if someone is trying to add one of core features, RegisterFeature() will return false, so we don't have to perform this check here
if (!fcp) { // if the feature is not registered yet
if (!RegisterFeature(szFeat, NULL))
ret = false;
else
fcp = FindFeature(szFeat); // update fcp after RegisterFeature()
}
if (fcp)
m_uEnabledFeatCapsDynamic |= fcp->jcbCap;
else
ret = false;
szFeat += lstrlen(szFeat) + 1;
}
lck.unlock();
if (m_bJabberOnline)
SendPresence(m_iStatus, true);
return ret;
}
feature_t SetFeature (const StrBuf* Key)
/* Find the feature and set the corresponding flag if the feature is known.
* In any case, return the feature found. An invalid Key will return
* FEAT_UNKNOWN.
*/
{
/* Map the string to an enum value */
feature_t Feature = FindFeature (Key);
/* Set the flags */
switch (Feature) {
case FEAT_DOLLAR_IS_PC: DollarIsPC = 1; break;
case FEAT_LABELS_WITHOUT_COLONS: NoColonLabels = 1; break;
case FEAT_LOOSE_STRING_TERM: LooseStringTerm = 1; break;
case FEAT_LOOSE_CHAR_TERM: LooseCharTerm = 1; break;
case FEAT_AT_IN_IDENTIFIERS: AtInIdents = 1; break;
case FEAT_DOLLAR_IN_IDENTIFIERS: DollarInIdents = 1; break;
case FEAT_LEADING_DOT_IN_IDENTIFIERS: LeadingDotInIdents= 1; break;
case FEAT_ORG_PER_SEG: OrgPerSeg = 1; break;
case FEAT_PC_ASSIGNMENT: PCAssignment = 1; break;
case FEAT_MISSING_CHAR_TERM: MissingCharTerm = 1; break;
case FEAT_UBIQUITOUS_IDENTS: UbiquitousIdents = 1; break;
case FEAT_C_COMMENTS: CComments = 1; break;
case FEAT_FORCE_RANGE: ForceRange = 1; break;
case FEAT_UNDERLINE_IN_NUMBERS: UnderlineInNumbers= 1; break;
default: /* Keep gcc silent */ break;
}
/* Return the value found */
return Feature;
}
int CJabberProto::RegisterFeature(LPCTSTR szFeature, LPCTSTR szDescription)
{
if (!szFeature)
return false;
// check for this feature in core features, and return false if it's present, to prevent re-registering a core feature
int i;
for (i=0; g_JabberFeatCapPairs[i].szFeature; i++)
if (!lstrcmp(g_JabberFeatCapPairs[i].szFeature, szFeature))
return false;
mir_cslock lck(m_csLists);
JabberFeatCapPairDynamic *fcp = FindFeature(szFeature);
if (!fcp) { // if the feature is not registered yet, allocate new bit for it
JabberCapsBits jcb = JABBER_CAPS_OTHER_SPECIAL; // set all bits not included in g_JabberFeatCapPairs
// set all bits occupied by g_JabberFeatCapPairs
for (i=0; g_JabberFeatCapPairs[i].szFeature; i++)
jcb |= g_JabberFeatCapPairs[i].jcbCap;
// set all bits already occupied by external plugins
for (i=0; i < m_lstJabberFeatCapPairsDynamic.getCount(); i++)
jcb |= m_lstJabberFeatCapPairsDynamic[i]->jcbCap;
// Now get first zero bit. The line below is a fast way to do it. If there are no zero bits, it returns 0.
jcb = (~jcb) & (JabberCapsBits)(-(__int64)(~jcb));
// no more free bits
if (!jcb)
return false;
// remove unnecessary symbols from szFeature to make the string shorter, and use it as szExt
LPTSTR szExt = mir_tstrdup(szFeature);
LPTSTR pSrc, pDst;
for (pSrc = szExt, pDst = szExt; *pSrc; pSrc++)
if (_tcschr(_T("bcdfghjklmnpqrstvwxz0123456789"), *pSrc))
*pDst++ = *pSrc;
*pDst = 0;
m_clientCapsManager.SetClientCaps(JABBER_CAPS_MIRANDA_NODE, szExt, jcb);
fcp = new JabberFeatCapPairDynamic();
fcp->szExt = szExt; // will be deallocated along with other values of JabberFeatCapPairDynamic in CJabberProto destructor
fcp->szFeature = mir_tstrdup(szFeature);
fcp->szDescription = szDescription ? mir_tstrdup(szDescription) : NULL;
fcp->jcbCap = jcb;
m_lstJabberFeatCapPairsDynamic.insert(fcp);
}
else if (szDescription) { // update description
if (fcp->szDescription)
mir_free(fcp->szDescription);
fcp->szDescription = mir_tstrdup(szDescription);
}
return true;
}
int CJabberProto::RemoveFeatures(LPCTSTR szFeatures)
{
if (!szFeatures)
return false;
mir_cslockfull lck(m_csLists);
BOOL ret = true;
LPCTSTR szFeat = szFeatures;
while (szFeat[0]) {
JabberFeatCapPairDynamic *fcp = FindFeature(szFeat);
if (fcp)
m_uEnabledFeatCapsDynamic &= ~fcp->jcbCap;
else
ret = false; // indicate that there was an error removing at least one of the specified features
szFeat += lstrlen(szFeat) + 1;
}
lck.unlock();
if (m_bJabberOnline)
SendPresence(m_iStatus, true);
return ret;
}