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
|
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">
<html><head><meta http-equiv="Content-Type" content="text/html;charset=iso-8859-1">
<title>QuickFIX: /home/omiller/Development/autobuild/quickfix/src/C++/Parser.cpp Source File</title>
<link href="quickfix.css" rel="stylesheet" type="text/css">
<table cellspacing="0" cellpadding="0" border="0">
<tr>
<td>
<img src="images/QuickFIX.jpg" align="middle" border=0>
<a href="index.html">Index</a>
<a href="files.html">Source Files</a>
<a href="annotated.html">Annotated Class List</a>
<a href="classes.html">Alphabetical Class List</a>
<a href="hierarchy.html">Class Hierarchy</a>
<a href="inherits.html">Graphical Class Hierarchy</a>
</td>
</tr>
</table>
</head><body bgcolor="#ffffff">
<!-- Generated by Doxygen 1.6.1 -->
<div class="navpath"><a class="el" href="dir_a9003438d6daff57482a26b22b6121a1.html">src</a> » <a class="el" href="dir_348ef16cf184025134029522e7f02883.html">C++</a>
</div>
<div class="contents">
<h1>Parser.cpp</h1><a href="_parser_8cpp.html">Go to the documentation of this file.</a><div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <span class="comment">/****************************************************************************</span>
<a name="l00002"></a>00002 <span class="comment">** Copyright (c) quickfixengine.org All rights reserved.</span>
<a name="l00003"></a>00003 <span class="comment">**</span>
<a name="l00004"></a>00004 <span class="comment">** This file is part of the QuickFIX FIX Engine</span>
<a name="l00005"></a>00005 <span class="comment">**</span>
<a name="l00006"></a>00006 <span class="comment">** This file may be distributed under the terms of the quickfixengine.org</span>
<a name="l00007"></a>00007 <span class="comment">** license as defined by quickfixengine.org and appearing in the file</span>
<a name="l00008"></a>00008 <span class="comment">** LICENSE included in the packaging of this file.</span>
<a name="l00009"></a>00009 <span class="comment">**</span>
<a name="l00010"></a>00010 <span class="comment">** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE</span>
<a name="l00011"></a>00011 <span class="comment">** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.</span>
<a name="l00012"></a>00012 <span class="comment">**</span>
<a name="l00013"></a>00013 <span class="comment">** See http://www.quickfixengine.org/LICENSE for licensing information.</span>
<a name="l00014"></a>00014 <span class="comment">**</span>
<a name="l00015"></a>00015 <span class="comment">** Contact ask@quickfixengine.org if any conditions of this licensing are</span>
<a name="l00016"></a>00016 <span class="comment">** not clear to you.</span>
<a name="l00017"></a>00017 <span class="comment">**</span>
<a name="l00018"></a>00018 <span class="comment">****************************************************************************/</span>
<a name="l00019"></a>00019
<a name="l00020"></a>00020 <span class="preprocessor">#ifdef _MSC_VER</span>
<a name="l00021"></a>00021 <span class="preprocessor"></span><span class="preprocessor">#include "stdafx.h"</span>
<a name="l00022"></a>00022 <span class="preprocessor">#else</span>
<a name="l00023"></a>00023 <span class="preprocessor"></span><span class="preprocessor">#include "config.h"</span>
<a name="l00024"></a>00024 <span class="preprocessor">#endif</span>
<a name="l00025"></a>00025 <span class="preprocessor"></span><span class="preprocessor">#include "<a class="code" href="_call_stack_8h.html">CallStack.h</a>"</span>
<a name="l00026"></a>00026
<a name="l00027"></a>00027 <span class="preprocessor">#include "<a class="code" href="_parser_8h.html">Parser.h</a>"</span>
<a name="l00028"></a>00028 <span class="preprocessor">#include "<a class="code" href="_utility_8h.html">Utility.h</a>"</span>
<a name="l00029"></a>00029 <span class="preprocessor">#include "<a class="code" href="_field_convertors_8h.html">FieldConvertors.h</a>"</span>
<a name="l00030"></a>00030 <span class="preprocessor">#include <algorithm></span>
<a name="l00031"></a>00031
<a name="l00032"></a>00032 <span class="keyword">namespace </span>FIX
<a name="l00033"></a>00033 {
<a name="l00034"></a><a class="code" href="class_f_i_x_1_1_parser.html#a49a9f6686f9afe191de20642e03179f2">00034</a> <span class="keywordtype">bool</span> <a class="code" href="class_f_i_x_1_1_parser.html#a49a9f6686f9afe191de20642e03179f2">Parser::extractLength</a>( <span class="keywordtype">int</span>& length, std::string::size_type& pos,
<a name="l00035"></a>00035 <span class="keyword">const</span> std::string& buffer )
<a name="l00036"></a>00036 <span class="keywordflow">throw</span>( <a class="code" href="struct_f_i_x_1_1_message_parse_error.html" title="Unable to parse message.">MessageParseError</a> )
<a name="l00037"></a>00037 { <a class="code" href="_call_stack_8h.html#a3b1ffd24ab4b24161008f4867150f4c8">QF_STACK_PUSH</a>(<a class="code" href="class_f_i_x_1_1_parser.html#a49a9f6686f9afe191de20642e03179f2">Parser::extractLength</a>)
<a name="l00038"></a>00038
<a name="l00039"></a>00039 <span class="keywordflow">if</span>( !buffer.size() ) <span class="keywordflow">return</span> <span class="keyword">false</span>;
<a name="l00040"></a>00040
<a name="l00041"></a>00041 std::string::size_type startPos = buffer.find( <span class="stringliteral">"\0019="</span>, 0 );
<a name="l00042"></a>00042 <span class="keywordflow">if</span>( startPos == std::string::npos ) <span class="keywordflow">return</span> <span class="keyword">false</span>;
<a name="l00043"></a>00043 startPos += 3;
<a name="l00044"></a>00044 std::string::size_type endPos = buffer.find( <span class="stringliteral">"\001"</span>, startPos );
<a name="l00045"></a>00045 <span class="keywordflow">if</span>( endPos == std::string::npos ) <span class="keywordflow">return</span> <span class="keyword">false</span>;
<a name="l00046"></a>00046
<a name="l00047"></a>00047 std::string strLength( buffer, startPos, endPos - startPos );
<a name="l00048"></a>00048
<a name="l00049"></a>00049 <span class="keywordflow">try</span>
<a name="l00050"></a>00050 {
<a name="l00051"></a>00051 length = <a class="code" href="struct_f_i_x_1_1_int_convertor.html#a4622a9856df1cda61d637e6551da7ba7">IntConvertor::convert</a>( strLength );
<a name="l00052"></a>00052 <span class="keywordflow">if</span>( length < 0 ) <span class="keywordflow">throw</span> <a class="code" href="struct_f_i_x_1_1_message_parse_error.html" title="Unable to parse message.">MessageParseError</a>();
<a name="l00053"></a>00053 }
<a name="l00054"></a>00054 <span class="keywordflow">catch</span>( <a class="code" href="struct_f_i_x_1_1_field_convert_error.html" title="Unable to convert field into its native format.">FieldConvertError</a>& )
<a name="l00055"></a>00055 { <span class="keywordflow">throw</span> <a class="code" href="struct_f_i_x_1_1_message_parse_error.html" title="Unable to parse message.">MessageParseError</a>(); }
<a name="l00056"></a>00056
<a name="l00057"></a>00057 pos = endPos + 1;
<a name="l00058"></a>00058 <span class="keywordflow">return</span> <span class="keyword">true</span>;
<a name="l00059"></a>00059
<a name="l00060"></a>00060 <a class="code" href="_call_stack_8h.html#ac6b0115ca0a0988c881219c711c9c57e">QF_STACK_POP</a>
<a name="l00061"></a>00061 }
<a name="l00062"></a>00062
<a name="l00063"></a><a class="code" href="class_f_i_x_1_1_parser.html#a85f48b89132641bfe665a6362b2be81c">00063</a> <span class="keywordtype">bool</span> <a class="code" href="class_f_i_x_1_1_parser.html#a85f48b89132641bfe665a6362b2be81c">Parser::readFixMessage</a>( std::string& str )
<a name="l00064"></a>00064 <span class="keywordflow">throw</span>( <a class="code" href="struct_f_i_x_1_1_message_parse_error.html" title="Unable to parse message.">MessageParseError</a> )
<a name="l00065"></a>00065 { <a class="code" href="_call_stack_8h.html#a3b1ffd24ab4b24161008f4867150f4c8">QF_STACK_PUSH</a>(<a class="code" href="class_f_i_x_1_1_parser.html#a85f48b89132641bfe665a6362b2be81c">Parser::readFixMessage</a>)
<a name="l00066"></a>00066
<a name="l00067"></a>00067 std::string::size_type pos = 0;
<a name="l00068"></a>00068
<a name="l00069"></a>00069 <span class="keywordflow">if</span>( m_buffer.length() < 2 ) <span class="keywordflow">return</span> <span class="keyword">false</span>;
<a name="l00070"></a>00070 pos = m_buffer.find( <span class="stringliteral">"8="</span> );
<a name="l00071"></a>00071 <span class="keywordflow">if</span>( pos == std::string::npos ) <span class="keywordflow">return</span> <span class="keyword">false</span>;
<a name="l00072"></a>00072 m_buffer.erase( 0, pos );
<a name="l00073"></a>00073
<a name="l00074"></a>00074 <span class="keywordtype">int</span> length = 0;
<a name="l00075"></a>00075
<a name="l00076"></a>00076 <span class="keywordflow">try</span>
<a name="l00077"></a>00077 {
<a name="l00078"></a>00078 <span class="keywordflow">if</span>( extractLength(length, pos, m_buffer) )
<a name="l00079"></a>00079 {
<a name="l00080"></a>00080 pos += length;
<a name="l00081"></a>00081 <span class="keywordflow">if</span>( m_buffer.size() < pos )
<a name="l00082"></a>00082 <span class="keywordflow">return</span> <span class="keyword">false</span>;
<a name="l00083"></a>00083
<a name="l00084"></a>00084 pos = m_buffer.find( <span class="stringliteral">"\00110="</span>, pos-1 );
<a name="l00085"></a>00085 <span class="keywordflow">if</span>( pos == std::string::npos ) <span class="keywordflow">return</span> <span class="keyword">false</span>;
<a name="l00086"></a>00086 pos += 4;
<a name="l00087"></a>00087 pos = m_buffer.find( <span class="stringliteral">"\001"</span>, pos );
<a name="l00088"></a>00088 <span class="keywordflow">if</span>( pos == std::string::npos ) <span class="keywordflow">return</span> <span class="keyword">false</span>;
<a name="l00089"></a>00089 pos += 1;
<a name="l00090"></a>00090
<a name="l00091"></a>00091 str = m_buffer.substr( 0, pos );
<a name="l00092"></a>00092 m_buffer.erase( 0, pos );
<a name="l00093"></a>00093 <span class="keywordflow">return</span> <span class="keyword">true</span>;
<a name="l00094"></a>00094 }
<a name="l00095"></a>00095 }
<a name="l00096"></a>00096 <span class="keywordflow">catch</span>( <a class="code" href="struct_f_i_x_1_1_message_parse_error.html" title="Unable to parse message.">MessageParseError</a>& e )
<a name="l00097"></a>00097 {
<a name="l00098"></a>00098 <span class="keywordflow">if</span>( length > 0 )
<a name="l00099"></a>00099 m_buffer.erase( 0, pos + length );
<a name="l00100"></a>00100 <span class="keywordflow">else</span>
<a name="l00101"></a>00101 m_buffer.erase();
<a name="l00102"></a>00102
<a name="l00103"></a>00103 <span class="keywordflow">throw</span> e;
<a name="l00104"></a>00104 }
<a name="l00105"></a>00105
<a name="l00106"></a>00106 <span class="keywordflow">return</span> <span class="keyword">false</span>;
<a name="l00107"></a>00107
<a name="l00108"></a>00108 <a class="code" href="_call_stack_8h.html#ac6b0115ca0a0988c881219c711c9c57e">QF_STACK_POP</a>
<a name="l00109"></a>00109 }
<a name="l00110"></a>00110 }
</pre></div></div>
<hr><address><small>
Generated on Mon Apr 5 20:59:51 2010 for QuickFIX by <a href="http://www.doxygen.org/index.html">
<img src="doxygen.gif" alt="doxygen" align="middle" border=0 width=110 height=53>
</a> 1.6.1 written by <a href="mailto:dimitri@stack.nl">Dimitri van Heesch</a>,
© 1997-2001</small></address>
</body>
</html>
|
