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authorVadim Dashevskiy <watcherhd@gmail.com>2012-05-15 10:38:20 +0000
committerVadim Dashevskiy <watcherhd@gmail.com>2012-05-15 10:38:20 +0000
commit48540940b6c28bb4378abfeb500ec45a625b37b6 (patch)
tree2ef294c0763e802f91d868bdef4229b6868527de /protocols/MSN/msn_msgsplit.cpp
parent5c350913f011e119127baeb32a6aedeb4f0d33bc (diff)
initial commit
git-svn-id: http://svn.miranda-ng.org/main/trunk@2 1316c22d-e87f-b044-9b9b-93d7a3e3ba9c
Diffstat (limited to 'protocols/MSN/msn_msgsplit.cpp')
-rw-r--r--protocols/MSN/msn_msgsplit.cpp122
1 files changed, 122 insertions, 0 deletions
diff --git a/protocols/MSN/msn_msgsplit.cpp b/protocols/MSN/msn_msgsplit.cpp
new file mode 100644
index 0000000000..0a58278e17
--- /dev/null
+++ b/protocols/MSN/msn_msgsplit.cpp
@@ -0,0 +1,122 @@
+/*
+Plugin of Miranda IM for communicating with users of the MSN Messenger protocol.
+Copyright (c) 2007-2012 Boris Krasnovskiy.
+
+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, see <http://www.gnu.org/licenses/>.
+*/
+
+#include "msn_global.h"
+#include "msn_proto.h"
+
+
+chunkedmsg::chunkedmsg(const char* tid, const size_t totsz, const bool tbychunk)
+ : size(totsz), recvsz(0), bychunk(tbychunk)
+{
+ id = mir_strdup(tid);
+ msg = tbychunk ? NULL : (char*)mir_alloc(totsz + 1);
+}
+
+chunkedmsg::~chunkedmsg()
+{
+ mir_free(id);
+ mir_free(msg);
+}
+
+void chunkedmsg::add(const char* tmsg, size_t offset, size_t portion)
+{
+ if (bychunk)
+ {
+ size_t oldsz = recvsz;
+ recvsz += portion;
+ msg = (char*)mir_realloc(msg, recvsz + 1);
+ memcpy( msg + oldsz, tmsg, portion );
+ --size;
+ }
+ else
+ {
+ size_t newsz = offset + portion;
+ if (newsz > size)
+ {
+ portion = size - offset;
+ newsz = size;
+ }
+ memcpy(msg + offset, tmsg, portion);
+ if (newsz > recvsz) recvsz = newsz;
+ }
+}
+
+bool chunkedmsg::get(char*& tmsg, size_t& tsize)
+{
+ bool alldata = bychunk ? size == 0 : recvsz == size;
+ if (alldata)
+ {
+ msg[recvsz] = 0;
+ tmsg = msg;
+ tsize = recvsz;
+ msg = NULL;
+ }
+
+ return alldata;
+}
+
+
+int CMsnProto::addCachedMsg(const char* id, const char* msg, const size_t offset,
+ const size_t portion, const size_t totsz, const bool bychunk)
+{
+ int idx = msgCache.getIndex((chunkedmsg*)&id);
+ if (idx == -1)
+ {
+ msgCache.insert(new chunkedmsg(id, totsz, bychunk));
+ idx = msgCache.getIndex((chunkedmsg*)&id);
+ }
+
+ msgCache[idx].add(msg, offset, portion);
+
+ return idx;
+}
+
+size_t CMsnProto::getCachedMsgSize(const char* id)
+{
+ int idx = msgCache.getIndex((chunkedmsg*)&id);
+ return idx != -1 ? msgCache[idx].size : 0;
+}
+
+bool CMsnProto::getCachedMsg(int idx, char*& msg, size_t& size)
+{
+ bool res = msgCache[idx].get(msg, size);
+ if (res)
+ msgCache.remove(idx);
+
+ return res;
+}
+
+bool CMsnProto::getCachedMsg(const char* id, char*& msg, size_t& size)
+{
+ int idx = msgCache.getIndex((chunkedmsg*)&id);
+ return idx != -1 && getCachedMsg(idx, msg, size);
+}
+
+
+void CMsnProto::clearCachedMsg(int idx)
+{
+ if (idx != -1)
+ msgCache.remove(idx);
+ else
+ msgCache.destroy();
+}
+
+void CMsnProto::CachedMsg_Uninit(void)
+{
+ clearCachedMsg();
+}