1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
|
#include "stdafx.h"
#include "QuotesProviderYahoo.h"
#include "QuotesProviderVisitor.h"
#include "ModuleInfo.h"
#include "DBUtils.h"
#include "EconomicRateInfo.h"
#include "HTTPSession.h"
namespace
{
void remove_quotes(tstring& s)
{
if(*s.begin() == _T('"'))
{
s.erase(s.begin());
}
if(*s.rbegin() == _T('"'))
{
tstring::iterator i(s.begin());
std::advance(i,s.size()-1);
s.erase(i);
}
}
void remove_end_of_line(tstring& s)
{
if(*s.rbegin() == _T('\n'))
{
tstring::iterator i(s.begin());
std::advance(i,s.size()-1);
s.erase(i);
}
if(*s.rbegin() == _T('\r'))
{
tstring::iterator i(s.begin());
std::advance(i,s.size()-1);
s.erase(i);
}
}
bool t2d(const tstring& s,double& d)
{
tistringstream stream(s);
stream >> d;
return ((false == stream.fail()) && (false == stream.bad()));
// try
// {
// d = boost::lexical_cast<double>(s);
// return true;
// }
// catch(boost::bad_lexical_cast& e)
// {
// }
// return false;
}
typedef std::vector<tstring> TStrings;
bool get_double_from_parsed_line(HANDLE hContact,const TStrings& rasParsedLine,size_t nIndex,const char* pszDbName)
{
if(rasParsedLine.size() > nIndex)
{
double d = 0.0;
if(true == t2d(rasParsedLine[nIndex],d))
{
return Quotes_DBWriteDouble(hContact,QUOTES_MODULE_NAME,pszDbName,d);
}
}
DBWriteContactSettingTString(hContact,QUOTES_MODULE_NAME,pszDbName,_T(""));
return false;
}
}
void CQuotesProviderYahoo::RefreshQuotes(TContracts& anContacts)
{
tstring sURL = GetURL();
bool bUseExtendedStatus = CModuleInfo::GetInstance().GetExtendedStatusFlag();
typedef std::map<tstring,HANDLE> TQuoteID2ContractHandles;
TQuoteID2ContractHandles aQuoteID2Handles;
tostringstream oURL;
oURL << sURL << _T("dioksin.txt?s=");
for(TContracts::const_iterator i = anContacts.begin();i != anContacts.end() && IsOnline();++i)
{
HANDLE hContact = *i;
if(bUseExtendedStatus)
{
SetContactStatus(hContact,ID_STATUS_OCCUPIED);
}
tstring sQuoteID = Quotes_DBGetStringT(hContact,QUOTES_MODULE_NAME,DB_STR_QUOTE_ID);
aQuoteID2Handles[sQuoteID] = hContact;
if(i != anContacts.begin())
{
oURL << _T("+");
}
oURL << sQuoteID;
}
if(true == IsOnline())
{
oURL << _T("&f=snl1ohgpc1");
CHTTPSession http;
if((true == http.OpenURL(oURL.str())) && (true == IsOnline()))
{
tstring sFile;
if((true == http.ReadResponce(sFile)) && (true == IsOnline()))
{
tistringstream out_str(sFile.c_str());
while(false == out_str.eof())
{
tstring sLine;
std::getline(out_str,sLine);
if(false == sLine.empty())
{
remove_end_of_line(sLine);
TStrings asStrings;
for(tstring::size_type nPos = sLine.find(_T(','));nPos != tstring::npos; nPos = sLine.find(_T(',')))
{
tstring::iterator i(sLine.begin());
std::advance(i,nPos);
tstring s(sLine.begin(),i);
remove_quotes(s);
asStrings.push_back(s);
if(i != sLine.end())
{
std::advance(i,1);
}
sLine.erase(sLine.begin(),i);
}
if(false == sLine.empty())
{
remove_quotes(sLine);
if(false == sLine.empty())
asStrings.push_back(sLine);
}
size_t cItems = asStrings.size();
if(cItems >= 3)
{
enum
{
indexSymbol = 0,
indexName,
indexLastTrade,
indexOpen,
indexDayHigh,
indexDayLow,
indexPreviousClose,
indexChange
};
auto it3 = aQuoteID2Handles.find(asStrings[indexSymbol]);
if(it3 != aQuoteID2Handles.end())
{
HANDLE hContact = it3->second;
double dRate = 0.0;
if(true == t2d(asStrings[indexLastTrade],dRate))
{
DBWriteContactSettingTString(hContact,QUOTES_MODULE_NAME,DB_STR_QUOTE_DESCRIPTION,asStrings[indexName].c_str());
get_double_from_parsed_line(hContact,asStrings,indexOpen,DB_STR_YAHOO_OPEN_VALUE);
get_double_from_parsed_line(hContact,asStrings,indexDayHigh,DB_STR_YAHOO_DAY_HIGH);
get_double_from_parsed_line(hContact,asStrings,indexDayLow,DB_STR_YAHOO_DAY_LOW);
get_double_from_parsed_line(hContact,asStrings,indexPreviousClose,DB_STR_YAHOO_PREVIOUS_CLOSE);
get_double_from_parsed_line(hContact,asStrings,indexChange,DB_STR_YAHOO_CHANGE);
WriteContactRate(hContact,dRate);
aQuoteID2Handles.erase(it3);
}
}
}
}
}
}
}
if(true == IsOnline())
{
std::for_each(aQuoteID2Handles.begin(),aQuoteID2Handles.end(),
[](const TQuoteID2ContractHandles::value_type& pair){SetContactStatus(pair.second,ID_STATUS_NA);});
}
}
}
void CQuotesProviderYahoo::Accept(CQuotesProviderVisitor& visitor)const
{
CQuotesProviderFinance::Accept(visitor);
visitor.Visit(*this);
}
|
