void CodeView::OnScrollPageUp(wxScrollWinEvent& event)
{
int page;
if (GetFirstLine() > 0)
{
page = line_info.cursorPosition;
Scroll(-1,GetFirstLine() - m_linesShown);
UpdateLastCursorRect();
line_info.cursorLastPosition = GetFirstLine();
line_info.cursorPosition = line_info.cursorLastPosition;
page -= line_info.cursorPosition;
if (page < static_cast<int>(m_linesShown))
RefreshRect(*LastCursorRect);
}
}
/**
* Description: DecodePacket(). 解析RTSP包
* @param [in] strPacket RTSP包
* @param [out] stResult 解析结果
* @return long. 返回码
*/
long CRtspPacket::DecodePacket
(
IN const string& strPacket,
OUT RTSP::DECODE_RESULT& stResult
)const
{
//long lResult = RTSP::RET_CODE_OK;
string strFirstHeader;
string strField;
//获取首行首字段和头域内容
long lResult = GetFirstLine(strPacket, strFirstHeader, strField);
if (RTSP::RET_CODE_OK != lResult)
{
return lResult;
}
//响应消息直接返回
if (0 == strFirstHeader.compare(RTSP::RTSP_VERSION))
{
stResult.ulMsgType = RTSP::MSG_TYPE_RESP;
//获取RTP-Info，只有NAT穿越响应消息才有
(void)GetRtpInfo(strField, stResult);
return RTSP::RET_CODE_OK;
}
//只解析SET_PARAMETER消息
else if (0 != strFirstHeader.compare("SET_PARAMETER"))
{
return RTSP::RET_CODE_FAIL;
}
stResult.ulMsgType = RTSP::MSG_TYPE_SET_PARAMETER;
//将头域内容的多行转为单行
MuiltLineToOneLine(strField);
//获取CSeq
lResult = GetFieldValue(strField, "CSeq", stResult.strCSeq);
if (RTSP::RET_CODE_OK != lResult)
{
return RTSP::RET_CODE_FAIL;
}
//获取播放信息类型
lResult = GetPlayInfoType(strField, stResult.ulPlayInfoType);
if (RTSP::RET_CODE_OK != lResult)
{
return RTSP::RET_CODE_FAIL;
}
return RTSP::RET_CODE_OK;
}
/* Text suchen und selektieten Punkt übergeben */
BOOL SearchText (char* pszKeyStr, POINT* pPoint) {
register int i;
int iEnd;
char szLine [iMaxLineLength];
char *pszAktPos;
int iStart = HIWORD (Edit_GetSel (hEditWnd));
int iLineNr = Edit_LineFromChar (hEditWnd, iStart);
int iMaxLineNr = Edit_GetLineCount (hEditWnd);
int iLineLength = Edit_LineLength (hEditWnd, iStart);
/* 1. (akt.) Zeile untersuchen */
if (iLineLength) {
for (i = 0; i < sizeof (szLine); i++)
szLine [i] = '\0';
GetFirstLine (szLine);
if (pszAktPos = CompareStrings (szLine, pszKeyStr)) {
iStart += pszAktPos - szLine;
iEnd = iStart + strlen (pszKeyStr);
pPoint->x = iStart; pPoint->y = iEnd;
return (TRUE);
}
else
iStart += strlen (szLine) + 2; // einschl. 0D0A
}
else
iStart += 2;
/* alle restlichen Zeilen untersuchen */
for (++iLineNr; iLineNr < iMaxLineNr; iLineNr++) {
if (iLineLength = Edit_LineLength (hEditWnd, iStart)) {
for (i = 0; i < sizeof (szLine); i++)
szLine [i] = '\0';
Edit_GetLine (hEditWnd, iLineNr, szLine, sizeof (szLine) -1);
if (pszAktPos = CompareStrings (szLine, pszKeyStr)) {
iStart += pszAktPos - szLine;
iEnd = iStart + strlen (pszKeyStr);
pPoint->x = iStart; pPoint->y = iEnd;
return (TRUE);
}
else
iStart += iLineLength + 2;
}
else
iStart += 2;
}
/* Punkt auf ungültigen Wert setzen */
pPoint->x = -1; pPoint->y = -1;
return (FALSE);
}
/// mSearch()
IPTR mSearch(UNUSED struct IClass *cl, Object *obj, struct MUIP_TextEditor_Search *msg)
{
struct InstData *data = INST_DATA(cl, obj);
STRPTR str = msg->SearchString;
LONG len = strlen(str), step = 0;
ENTER();
if(len > 0 && len <= 120)
{
BYTE map[256];
LONG (*StrCmp)(STRPTR, STRPTR, LONG);
LONG cursor;
struct line_node *line;
// if the FromTop flag is set we start the search right from the top
if(isFlagSet(msg->Flags, MUIF_TextEditor_Search_FromTop))
{
cursor = 0;
line = GetFirstLine(&data->linelist);
}
else
{
cursor = data->CPos_X;
line = data->actualline;
}
memset(map, len, 256);
// if a casesensitive search is requested we use a different
// compare function.
if(isFlagSet(msg->Flags, MUIF_TextEditor_Search_CaseSensitive))
{
StrCmp = Native_strncmp;
while(*str)
map[(int)*str++] = step--;
}
else
{
StrCmp = Utility_strnicmp;
while(*str)
{
map[ToLower(*str)] = step;
map[ToUpper(*str++)] = step--;
}
}
if(isFlagSet(msg->Flags, MUIF_TextEditor_Search_Backwards))
{
//D(DBF_STARTUP, "MUIF_TextEditor_Search_Backwards search=%s\n", msg->SearchString);
if(Enabled(data))
cursor -= len;
while(line != NULL)
{
LONG lenTmp = len;
STRPTR contents = line->line.Contents + cursor - lenTmp+1;
STRPTR lower = line->line.Contents;
while(contents >= lower)
{
//D(DBF_STARTUP, "MUIF_TextEditor_Search_Backwards previous=%ld, contents=%s\n",line, contents);
if(!StrCmp(contents, msg->SearchString, len))
{
LONG startx = contents - line->line.Contents;
//D(DBF_STARTUP, "MUIF_TextEditor_Search_Backwards found\n");
SimpleMarkText(data, startx, line, startx+len, line);
RETURN(TRUE);
return TRUE;
}
contents -= 1;
lenTmp += 1;
}
line = GetPrevLine(line);
if(line != NULL)
cursor = line->line.Length;
}
}
else
{
while(line)
{
LONG skip;
STRPTR contents = line->line.Contents + cursor + len-1;
STRPTR upper = line->line.Contents + line->line.Length;
while(contents < upper)
{
skip = map[(int)(*contents)];
contents += skip;
if(skip <= 0)
{
if(!StrCmp(contents, msg->SearchString, len))
{
LONG startx = contents - line->line.Contents;
SimpleMarkText(data, startx, line, startx+len, line);
RETURN(TRUE);
return TRUE;
}
contents += len;
}
}
cursor = 0;
line = GetNextLine(line);
}
}
}
RETURN(FALSE);
return FALSE;
}
// Event handler for Page up/down and direction keys
void CodeView::OnKeyPress(wxKeyEvent& event)
{
int key;
ProgramAddress address;
key = event.GetKeyCode();
wxCommandEvent evtMakeData(wxEVT_MENU, idPOPUP_MAKEDATA);
wxCommandEvent evtDisassemble(wxEVT_MENU, idPOPUP_DISASM);
wxScrollWinEvent evtLineDown(wxEVT_SCROLLWIN_LINEDOWN);
wxScrollWinEvent evtLineUp(wxEVT_SCROLLWIN_LINEUP);
wxScrollWinEvent evtPageDown(wxEVT_SCROLLWIN_PAGEDOWN);
wxScrollWinEvent evtPageUp(wxEVT_SCROLLWIN_PAGEUP);
#define C_KEY 67
#define D_KEY 68
switch (key)
{
case WXK_DOWN:
if (line_info.cursorPosition < static_cast<int>(m_CodeViewLine->GetCount() - 1))
{
if (!MultiSelection)
line_info.cursorLastPosition = line_info.cursorPosition;
line_info.cursorPosition++;
ClearCursor();
DoSelection();
if (line_info.cursorPosition > GetLastLine())
AddPendingEvent(evtLineDown);
else
RefreshRect(CalcCursorRfshRect());
if (line_info.selectedLineCount == 1)
TreatSingleSelection();
else
if (line_info.selectedLineCount > 1)
TreatMultiSelection();
if (Selecting)
LogIt(wxString::Format("Selection = (%d, %d)", line_info.firstLine, line_info.lastLine));
}
break;
case WXK_UP:
if (line_info.cursorPosition > 0)
{
if (!MultiSelection)
line_info.cursorLastPosition = line_info.cursorPosition;
line_info.cursorPosition--;
ClearCursor();
DoSelection();
if (line_info.cursorPosition < GetFirstLine())
AddPendingEvent(evtLineUp);
else
RefreshRect(CalcCursorRfshRect());
if (line_info.selectedLineCount == 1)
TreatSingleSelection();
else
if (line_info.selectedLineCount > 1)
TreatMultiSelection();
if (Selecting)
LogIt(wxString::Format("Selection = (%d, %d)", line_info.firstLine, line_info.lastLine));
}
break;
case WXK_NUMPAD_PAGEDOWN:
case WXK_PAGEDOWN:
AddPendingEvent(evtPageDown);
break;
case WXK_NUMPAD_PAGEUP:
case WXK_PAGEUP:
AddPendingEvent(evtPageUp);
break;
case WXK_SHIFT:
if (!Selecting)
Selecting = true;
MultiSelection = true;
break;
case C_KEY:
AddPendingEvent(evtDisassemble);
break;
case D_KEY:
AddPendingEvent(evtMakeData);
break;
case WXK_F3:
if (Process->SearchInstructionArgumentContinue(address))
{
CenterAddress(address);
}
LogIt("F3 Key pressed !");
break;
default:
LogIt(wxString::Format("%X pressed !",key));
event.Skip();
}
}
void CodeView::OnScrollLineUp(wxScrollWinEvent& event)
{
Scroll(-1, GetFirstLine() - 1);
}
void CodeView::OnScrollLineDown(wxScrollWinEvent& event)
{
Scroll(-1, GetFirstLine() + 1);
RefreshRect(CalcCursorRfshRect());
}
/**
* Description: GetNatPacket(). 解析NAT穿越包
* @param [in] strPacket RTSP的NAT包
* @param [out] stNatResult NAT解析结果
* @return long. 返回码
*/
long CRtspPacket::DecodeNatPacket
(
IN const string& strPacket,
OUT RTSP::NAT_DECODE_RESULT& stNatResult
) const
{
//long lResult = RTSP::RET_CODE_OK;
string strFirstHeader;
string strField;
//获取首行首字段和头域内容
long lResult = GetFirstLine(strPacket, strFirstHeader, strField);
if (RTSP::RET_CODE_OK != lResult)
{
return lResult;
}
//只解析NAT穿越包
if (0 != strFirstHeader.compare(RTSP::METHOD_RECORD))
{
return RTSP::RET_CODE_FAIL;
}
//将头域内容的多行转为单行
MuiltLineToOneLine(strField);
//获取CSeq
lResult = GetFieldValue(strField, "CSeq", stNatResult.strCSeq);
if (RTSP::RET_CODE_OK != lResult)
{
return RTSP::RET_CODE_FAIL;
}
//获取Session
lResult = GetFieldValue(strField, "Session", stNatResult.strSession);
if (RTSP::RET_CODE_OK != lResult)
{
return RTSP::RET_CODE_FAIL;
}
//获取x-NAT-Info
string strNatInfo;
lResult = GetFieldValue(strField, "x-NAT-Info", strNatInfo);
if (RTSP::RET_CODE_OK != lResult)
{
return RTSP::RET_CODE_FAIL;
}
//获取协议类型
lResult = GetFieldValue(strNatInfo, "type", stNatResult.strProtocalType, RTSP::SEMI_COLON, RTSP::EQUAL_SIGN);
if (RTSP::RET_CODE_OK != lResult)
{
return RTSP::RET_CODE_FAIL;
}
//获取IP
lResult = GetFieldValue(strNatInfo, "local_addr", stNatResult.strRemoteIp, RTSP::SEMI_COLON, RTSP::EQUAL_SIGN);
if (RTSP::RET_CODE_OK != lResult)
{
return RTSP::RET_CODE_FAIL;
}
//获取端口号
lResult = GetFieldValue(strNatInfo, "local_port", stNatResult.strRemotePort, RTSP::SEMI_COLON, RTSP::EQUAL_SIGN);
if (RTSP::RET_CODE_OK != lResult)
{
return RTSP::RET_CODE_FAIL;
}
return RTSP::RET_CODE_OK;
}
