//+------------------------------------------------------------------+
//| Forexnews.com.mq4 |
//| Copyright © 2006, Abhi |
//| http://www.megadelfi.com/experts/ |
//| E-mail: grabwebexpert{Q)megadelfi.com |
//| fix my e-mail address before mailing me ;) |
//+------------------------------------------------------------------+
#property copyright "Copyright © 2006, Abhi"
#property link "http://www.megadelfi.com/experts/"
extern string sUrl = "http://www.forexnews.com/globalcalendar/default.asp";
extern string Outputfile = "Calendar.csv";
extern string Timezone = "EST";
extern string ConvertCanadato = "GBP"; // can change this to a full currency pair such as "GBPUSD"
extern string ConvertAustraliato = "GBP";
extern string ConvertE12to = "GBP";
extern string ConvertUKto = "GBP";
extern string ConvertJapanto = "GBP";
extern string ConvertUSto = "GBP";
extern string ConvertEURto = "GBP";
extern string ConvertNZDto = "GBP";
int hSession_IEType;
int hSession_Direct;
int Internet_Open_Type_Preconfig = 0;
int Internet_Open_Type_Direct = 1;
int Internet_Open_Type_Proxy = 3;
int Buffer_LEN = 13;
#import "wininet.dll"
int InternetOpenA(
string sAgent,
int lAccessType,
string sProxyName="",
string sProxyBypass="",
int lFlags=0
);
int InternetOpenUrlA(
int hInternetSession,
string sUrl,
string sHeaders="",
int lHeadersLength=0,
int lFlags=0,
int lContext=0
);
int InternetReadFile(
int hFile,
string sBuffer,
int lNumBytesToRead,
int& lNumberOfBytesRead[]
);
int InternetCloseHandle(
int hInet
);
int hSession(bool Direct)
{
string InternetAgent;
if (hSession_IEType == 0)
{
InternetAgent = "Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1; Q312461)";
hSession_IEType = InternetOpenA(InternetAgent, Internet_Open_Type_Preconfig, "0", "0", 0);
hSession_Direct = InternetOpenA(InternetAgent, Internet_Open_Type_Direct, "0", "0", 0);
}
if (Direct)
{ return(hSession_Direct); }
else
{ return(hSession_IEType); }
}
int start()
{
// Print("fake start");
}
int init()
{
int hInternet;
string iResult;
int lReturn[]={1};
string sBuffer="x";
string sData, csvoutput;
int handle;
int bytes;
int beginning, finalend,end,i;
string aju, text, newsdatetime, country, news;
hInternet = InternetOpenUrlA(hSession(FALSE), sUrl, "0", 0, 67108864, 0);
Print("hInternet: " + hInternet);
iResult = InternetReadFile(hInternet, sBuffer, Buffer_LEN, lReturn);
Print("iResult: " + iResult);
Print("lReturn: " + lReturn[0]);
//iResult = InternetCloseHandle(hInternet);
Print("iResult: " + iResult);
Print("sBuffer: " + sBuffer);
Comment("sBuffer: " + sBuffer);
bytes = lReturn[0];
sData = StringSubstr(sBuffer, 0, lReturn[0]);
//if there's more data then keep reading it into the buffer
while (lReturn[0] != 0)
{
iResult = InternetReadFile(hInternet, sBuffer, Buffer_LEN, lReturn);
if (lReturn[0]==0) break;
bytes = bytes + lReturn[0];
sData = sData + StringSubstr(sBuffer, 0, lReturn[0]);
}
Print("sData: " + sData);
iResult = InternetCloseHandle(hInternet);
Print("iResult: " + iResult);
handle=FileOpen(Day()+ "-"+ Month() +"-"+ Year() +"-"+ "grabweb.htm",FILE_BIN|FILE_READ|FILE_WRITE);
if(handle<1)
{
Print("Can\'t open htm file, the last error is ", GetLastError());
return(false);
}
FileWriteString(handle,sData,StringLen(sData));
FileClose(handle);
Print("bytes: "+bytes);
// htm file is written, let's parse it now and write to csv file
handle=FileOpen(Outputfile,FILE_CSV|FILE_WRITE,",");
if(handle<1)
{
Print("Can\'t open csv file, the last error is ", GetLastError());
return(false);
}
FileWrite(handle,"Description","Currency","DateTime","TimeZone","Lots","PercentOfMargin","TrailingStop","SecondsBeforeEvent","StraddleDuration");
beginning = 1;
beginning = StringFind(sData,"<div class=tti>Actual</div></td>",beginning)+32;
finalend = StringFind(sData,"</table>",beginning)-835;
while (beginning < finalend)
{
for (i=0; i <=0; i++)
{
beginning = StringFind(sData,"<td valign=top align=\"right\"",beginning)+28;
beginning = StringFind(sData,"nowrap>",beginning)+7;
end = StringFind(sData,"</td>",beginning)-0;
if (end != beginning)
{
text = StringSubstr(sData, beginning, end-beginning);
}
else
{
text = "";
}
if (i == 0)
{
if (text != "")
{
newsdatetime = text;
}
else
{
text = newsdatetime;
}
}
}
for (i=1; i <=1; i++)
{
beginning = StringFind(sData,"<td valign=top align=\"middle\"",beginning)+29;
beginning = StringFind(sData,">",beginning)+1;
end = StringFind(sData,"</td>",beginning)-0;
if (end != beginning)
{
text = StringSubstr(sData, beginning, end-beginning);
}
else
{
text = "";
}
if (i == 1)
{
if (text != "")
{
country = text;
}
else
{
text = country;
}
}
}
for (i=2; i <=2; i++)
{
beginning = StringFind(sData,"<td valign=top align=\"left\"",beginning)+27;
beginning = StringFind(sData,">",beginning)+1;
end = StringFind(sData,"</td>",beginning)-0;
if (end != beginning)
{
text = StringSubstr(sData, beginning, end-beginning);
}
else
{
text = "";
}
if (i == 2)
{
if (text != "")
{
news = text;
}
else
{
text = news;
}
}
}
if (country == "Canada") country = ConvertCanadato;
if (country == "Australia") country = ConvertAustraliato;
if (country == "E-12") country = ConvertE12to;
if (country == "UK") country = ConvertUKto;
if (country == "US") country = ConvertUSto;
if (country == "Japan") country = ConvertJapanto;
if (country == "EUR") country = ConvertEURto;
if (country == "NZD") country = ConvertNZDto;
csvoutput = StringConcatenate(news,",",country,",",newsdatetime,",",Timezone);
Print("newslist: "+ csvoutput);
FileWrite(handle,news,country,newsdatetime,Timezone);
}
FileClose(handle);
return(0);
}
//+------------------------------------------------------------------+
--------------020207080700060909010908--
Sample
Analysis
Market Information Used:
Indicator Curves created:
Indicators Used:
Custom Indicators Used:
wininet
Order Management characteristics:
Other Features:
Uses files from the file system
It writes information to file