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
194
195
196
197
198
199
200
201
202
203
204
205
|
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/xhtml;charset=UTF-8"/>
<meta http-equiv="X-UA-Compatible" content="IE=9"/>
<meta name="generator" content="Doxygen 1.8.6"/>
<title>zen::Xml: io.h Source File</title>
<link href="tabs.css" rel="stylesheet" type="text/css"/>
<script type="text/javascript" src="jquery.js"></script>
<script type="text/javascript" src="dynsections.js"></script>
<link href="search/search.css" rel="stylesheet" type="text/css"/>
<script type="text/javascript" src="search/search.js"></script>
<script type="text/javascript">
$(document).ready(function() { searchBox.OnSelectItem(0); });
</script>
<link href="doxygen.css" rel="stylesheet" type="text/css" />
</head>
<body>
<div id="top"><!-- do not remove this div, it is closed by doxygen! -->
<div id="titlearea">
<table cellspacing="0" cellpadding="0">
<tbody>
<tr style="height: 56px;">
<td id="projectlogo"><img alt="Logo" src="zenXml.png"/></td>
<td style="padding-left: 0.5em;">
<div id="projectname">zen::Xml
</div>
<div id="projectbrief">Simple C++ XML Processing</div>
</td>
</tr>
</tbody>
</table>
</div>
<!-- end header part -->
<!-- Generated by Doxygen 1.8.6 -->
<script type="text/javascript">
var searchBox = new SearchBox("searchBox", "search",false,'Search');
</script>
<div id="navrow1" class="tabs">
<ul class="tablist">
<li><a href="index.html"><span>Main Page</span></a></li>
<li><a href="namespaces.html"><span>Namespaces</span></a></li>
<li><a href="annotated.html"><span>Classes</span></a></li>
<li>
<div id="MSearchBox" class="MSearchBoxInactive">
<span class="left">
<img id="MSearchSelect" src="search/mag_sel.png"
onmouseover="return searchBox.OnSearchSelectShow()"
onmouseout="return searchBox.OnSearchSelectHide()"
alt=""/>
<input type="text" id="MSearchField" value="Search" accesskey="S"
onfocus="searchBox.OnSearchFieldFocus(true)"
onblur="searchBox.OnSearchFieldFocus(false)"
onkeyup="searchBox.OnSearchFieldChange(event)"/>
</span><span class="right">
<a id="MSearchClose" href="javascript:searchBox.CloseResultsWindow()"><img id="MSearchCloseImg" border="0" src="search/close.png" alt=""/></a>
</span>
</div>
</li>
</ul>
</div>
<!-- window showing the filter options -->
<div id="MSearchSelectWindow"
onmouseover="return searchBox.OnSearchSelectShow()"
onmouseout="return searchBox.OnSearchSelectHide()"
onkeydown="return searchBox.OnSearchSelectKey(event)">
<a class="SelectItem" href="javascript:void(0)" onclick="searchBox.OnSelectItem(0)"><span class="SelectionMark"> </span>All</a><a class="SelectItem" href="javascript:void(0)" onclick="searchBox.OnSelectItem(1)"><span class="SelectionMark"> </span>Classes</a><a class="SelectItem" href="javascript:void(0)" onclick="searchBox.OnSelectItem(2)"><span class="SelectionMark"> </span>Namespaces</a><a class="SelectItem" href="javascript:void(0)" onclick="searchBox.OnSelectItem(3)"><span class="SelectionMark"> </span>Functions</a><a class="SelectItem" href="javascript:void(0)" onclick="searchBox.OnSelectItem(4)"><span class="SelectionMark"> </span>Variables</a><a class="SelectItem" href="javascript:void(0)" onclick="searchBox.OnSelectItem(5)"><span class="SelectionMark"> </span>Pages</a></div>
<!-- iframe showing the search results (closed by default) -->
<div id="MSearchResultsWindow">
<iframe src="javascript:void(0)" frameborder="0"
name="MSearchResults" id="MSearchResults">
</iframe>
</div>
<div id="nav-path" class="navpath">
<ul>
<li class="navelem"><a class="el" href="dir_5fe60cdff4f93e8435d81ae38a3e2e18.html">zenxml</a></li> </ul>
</div>
</div><!-- top -->
<div class="header">
<div class="headertitle">
<div class="title">io.h</div> </div>
</div><!--header-->
<div class="contents">
<div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno"> 1</span> <span class="comment">// **************************************************************************</span></div>
<div class="line"><a name="l00002"></a><span class="lineno"> 2</span> <span class="comment">// * This file is part of the FreeFileSync project. It is distributed under *</span></div>
<div class="line"><a name="l00003"></a><span class="lineno"> 3</span> <span class="comment">// * GNU General Public License: http://www.gnu.org/licenses/gpl.html *</span></div>
<div class="line"><a name="l00004"></a><span class="lineno"> 4</span> <span class="comment">// * Copyright (C) Zenju (zenju AT gmx DOT de) - All Rights Reserved *</span></div>
<div class="line"><a name="l00005"></a><span class="lineno"> 5</span> <span class="comment">// **************************************************************************</span></div>
<div class="line"><a name="l00006"></a><span class="lineno"> 6</span> </div>
<div class="line"><a name="l00007"></a><span class="lineno"> 7</span> <span class="preprocessor">#ifndef ZEN_XML_IO_HEADER_8917640501480763248343343</span></div>
<div class="line"><a name="l00008"></a><span class="lineno"> 8</span> <span class="preprocessor"></span><span class="preprocessor">#define ZEN_XML_IO_HEADER_8917640501480763248343343</span></div>
<div class="line"><a name="l00009"></a><span class="lineno"> 9</span> <span class="preprocessor"></span></div>
<div class="line"><a name="l00010"></a><span class="lineno"> 10</span> <span class="preprocessor">#include <cstdio></span></div>
<div class="line"><a name="l00011"></a><span class="lineno"> 11</span> <span class="preprocessor">#include <cerrno></span></div>
<div class="line"><a name="l00012"></a><span class="lineno"> 12</span> <span class="preprocessor">#include <zen/scope_guard.h></span></div>
<div class="line"><a name="l00013"></a><span class="lineno"> 13</span> <span class="preprocessor">#include <zen/utf.h></span></div>
<div class="line"><a name="l00014"></a><span class="lineno"> 14</span> <span class="preprocessor">#include "error.h"</span></div>
<div class="line"><a name="l00015"></a><span class="lineno"> 15</span> </div>
<div class="line"><a name="l00016"></a><span class="lineno"> 16</span> <span class="keyword">namespace </span>zen</div>
<div class="line"><a name="l00017"></a><span class="lineno"> 17</span> {</div>
<div class="line"><a name="l00023"></a><span class="lineno"> 23</span> <span class="preprocessor">#if !defined(ZEN_WIN) && !defined(ZEN_LINUX) && !defined(ZEN_MAC)</span></div>
<div class="line"><a name="l00024"></a><span class="lineno"> 24</span> <span class="preprocessor"></span><span class="preprocessor">#error Please specify your platform: #define ZEN_WIN, ZEN_LINUX or ZEN_MAC</span></div>
<div class="line"><a name="l00025"></a><span class="lineno"> 25</span> <span class="preprocessor"></span><span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00026"></a><span class="lineno"> 26</span> <span class="preprocessor"></span></div>
<div class="line"><a name="l00027"></a><span class="lineno"> 27</span> </div>
<div class="line"><a name="l00029"></a><span class="lineno"><a class="line" href="structzen_1_1_xml_file_error.html"> 29</a></span> <span class="keyword">struct </span><a class="code" href="structzen_1_1_xml_file_error.html">XmlFileError</a> : <span class="keyword">public</span> <a class="code" href="structzen_1_1_xml_error.html">XmlError</a></div>
<div class="line"><a name="l00030"></a><span class="lineno"> 30</span> {</div>
<div class="line"><a name="l00031"></a><span class="lineno"> 31</span>  <span class="keyword">typedef</span> <span class="keywordtype">int</span> ErrorCode;</div>
<div class="line"><a name="l00032"></a><span class="lineno"> 32</span> </div>
<div class="line"><a name="l00033"></a><span class="lineno"> 33</span>  <span class="keyword">explicit</span> <a class="code" href="structzen_1_1_xml_file_error.html">XmlFileError</a>(ErrorCode ec) : <a class="code" href="structzen_1_1_xml_file_error.html#a4a109e749675a3887af8cfc140303b8f">lastError</a>(ec) {}</div>
<div class="line"><a name="l00035"></a><span class="lineno"><a class="line" href="structzen_1_1_xml_file_error.html#a4a109e749675a3887af8cfc140303b8f"> 35</a></span>  ErrorCode <a class="code" href="structzen_1_1_xml_file_error.html#a4a109e749675a3887af8cfc140303b8f">lastError</a>;</div>
<div class="line"><a name="l00036"></a><span class="lineno"> 36</span> };</div>
<div class="line"><a name="l00037"></a><span class="lineno"> 37</span> </div>
<div class="line"><a name="l00038"></a><span class="lineno"> 38</span> </div>
<div class="line"><a name="l00039"></a><span class="lineno"> 39</span> <span class="preprocessor">#ifdef ZEN_WIN</span></div>
<div class="line"><a name="l00040"></a><span class="lineno"> 40</span> <span class="preprocessor"></span><span class="keyword">namespace </span>implemenation <span class="comment">//sad but true</span></div>
<div class="line"><a name="l00041"></a><span class="lineno"> 41</span> {</div>
<div class="line"><a name="l00042"></a><span class="lineno"> 42</span> <span class="keyword">template</span> <<span class="keyword">class</span> String> <span class="keyword">inline</span></div>
<div class="line"><a name="l00043"></a><span class="lineno"> 43</span> FILE* fopen(<span class="keyword">const</span> String& filename, <span class="keyword">const</span> <span class="keywordtype">wchar_t</span>* mode)</div>
<div class="line"><a name="l00044"></a><span class="lineno"> 44</span> {</div>
<div class="line"><a name="l00045"></a><span class="lineno"> 45</span> <span class="preprocessor">#ifdef _MSC_VER</span></div>
<div class="line"><a name="l00046"></a><span class="lineno"> 46</span> <span class="preprocessor"></span> FILE* handle = <span class="keyword">nullptr</span>;</div>
<div class="line"><a name="l00047"></a><span class="lineno"> 47</span>  errno_t rv = ::_wfopen_s(&handle, utfCvrtTo<std::wstring>(filename).c_str(), mode); <span class="comment">//more secure?</span></div>
<div class="line"><a name="l00048"></a><span class="lineno"> 48</span>  (void)rv;</div>
<div class="line"><a name="l00049"></a><span class="lineno"> 49</span>  <span class="keywordflow">return</span> handle;</div>
<div class="line"><a name="l00050"></a><span class="lineno"> 50</span> <span class="preprocessor">#else</span></div>
<div class="line"><a name="l00051"></a><span class="lineno"> 51</span> <span class="preprocessor"></span> return ::_wfopen(utfCvrtTo<std::wstring>(filename).c_str(), mode);</div>
<div class="line"><a name="l00052"></a><span class="lineno"> 52</span> <span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00053"></a><span class="lineno"> 53</span> <span class="preprocessor"></span>}</div>
<div class="line"><a name="l00054"></a><span class="lineno"> 54</span> }</div>
<div class="line"><a name="l00055"></a><span class="lineno"> 55</span> <span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00056"></a><span class="lineno"> 56</span> <span class="preprocessor"></span></div>
<div class="line"><a name="l00057"></a><span class="lineno"> 57</span> </div>
<div class="line"><a name="l00059"></a><span class="lineno"> 59</span> </div>
<div class="line"><a name="l00065"></a><span class="lineno"> 65</span> <span class="keyword">template</span> <<span class="keyword">class</span> String></div>
<div class="line"><a name="l00066"></a><span class="lineno"><a class="line" href="namespacezen.html#a4ba7bbaa14a787b07fc13da9145aabe2"> 66</a></span> <span class="keywordtype">void</span> <a class="code" href="namespacezen.html#a4ba7bbaa14a787b07fc13da9145aabe2">saveStream</a>(<span class="keyword">const</span> std::string& stream, <span class="keyword">const</span> String& filename) <span class="comment">//throw XmlFileError</span></div>
<div class="line"><a name="l00067"></a><span class="lineno"> 67</span> {</div>
<div class="line"><a name="l00068"></a><span class="lineno"> 68</span> <span class="preprocessor">#ifdef ZEN_WIN</span></div>
<div class="line"><a name="l00069"></a><span class="lineno"> 69</span> <span class="preprocessor"></span> FILE* handle = implemenation::fopen(utfCvrtTo<std::wstring>(filename).c_str(), L<span class="stringliteral">"wb"</span>);</div>
<div class="line"><a name="l00070"></a><span class="lineno"> 70</span> <span class="preprocessor">#else</span></div>
<div class="line"><a name="l00071"></a><span class="lineno"> 71</span> <span class="preprocessor"></span> FILE* handle = ::fopen(utfCvrtTo<std::string>(filename).c_str(), <span class="stringliteral">"w"</span>);</div>
<div class="line"><a name="l00072"></a><span class="lineno"> 72</span> <span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00073"></a><span class="lineno"> 73</span> <span class="preprocessor"></span> <span class="keywordflow">if</span> (handle == <span class="keyword">nullptr</span>)</div>
<div class="line"><a name="l00074"></a><span class="lineno"> 74</span>  <span class="keywordflow">throw</span> <a class="code" href="structzen_1_1_xml_file_error.html">XmlFileError</a>(errno);</div>
<div class="line"><a name="l00075"></a><span class="lineno"> 75</span>  ZEN_ON_SCOPE_EXIT(::fclose(handle));</div>
<div class="line"><a name="l00076"></a><span class="lineno"> 76</span> </div>
<div class="line"><a name="l00077"></a><span class="lineno"> 77</span>  <span class="keyword">const</span> <span class="keywordtype">size_t</span> bytesWritten = ::fwrite(stream.c_str(), 1, stream.size(), handle);</div>
<div class="line"><a name="l00078"></a><span class="lineno"> 78</span>  <span class="keywordflow">if</span> (::ferror(handle) != 0)</div>
<div class="line"><a name="l00079"></a><span class="lineno"> 79</span>  <span class="keywordflow">throw</span> <a class="code" href="structzen_1_1_xml_file_error.html">XmlFileError</a>(errno);</div>
<div class="line"><a name="l00080"></a><span class="lineno"> 80</span> </div>
<div class="line"><a name="l00081"></a><span class="lineno"> 81</span>  (void)bytesWritten;</div>
<div class="line"><a name="l00082"></a><span class="lineno"> 82</span>  assert(bytesWritten == stream.size());</div>
<div class="line"><a name="l00083"></a><span class="lineno"> 83</span> }</div>
<div class="line"><a name="l00084"></a><span class="lineno"> 84</span> </div>
<div class="line"><a name="l00085"></a><span class="lineno"> 85</span> </div>
<div class="line"><a name="l00087"></a><span class="lineno"> 87</span> </div>
<div class="line"><a name="l00093"></a><span class="lineno"> 93</span> <span class="keyword">template</span> <<span class="keyword">class</span> String></div>
<div class="line"><a name="l00094"></a><span class="lineno"><a class="line" href="namespacezen.html#a04fe23c3bd9b7d03309620b5ea763607"> 94</a></span> std::string <a class="code" href="namespacezen.html#a04fe23c3bd9b7d03309620b5ea763607">loadStream</a>(<span class="keyword">const</span> String& filename) <span class="comment">//throw XmlFileError</span></div>
<div class="line"><a name="l00095"></a><span class="lineno"> 95</span> {</div>
<div class="line"><a name="l00096"></a><span class="lineno"> 96</span> <span class="preprocessor">#ifdef ZEN_WIN</span></div>
<div class="line"><a name="l00097"></a><span class="lineno"> 97</span> <span class="preprocessor"></span> FILE* handle = implemenation::fopen(utfCvrtTo<std::wstring>(filename).c_str(), L<span class="stringliteral">"rb"</span>);</div>
<div class="line"><a name="l00098"></a><span class="lineno"> 98</span> <span class="preprocessor">#else</span></div>
<div class="line"><a name="l00099"></a><span class="lineno"> 99</span> <span class="preprocessor"></span> FILE* handle = ::fopen(utfCvrtTo<std::string>(filename).c_str(), <span class="stringliteral">"r"</span>);</div>
<div class="line"><a name="l00100"></a><span class="lineno"> 100</span> <span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00101"></a><span class="lineno"> 101</span> <span class="preprocessor"></span> <span class="keywordflow">if</span> (handle == <span class="keyword">nullptr</span>)</div>
<div class="line"><a name="l00102"></a><span class="lineno"> 102</span>  <span class="keywordflow">throw</span> <a class="code" href="structzen_1_1_xml_file_error.html">XmlFileError</a>(errno);</div>
<div class="line"><a name="l00103"></a><span class="lineno"> 103</span>  ZEN_ON_SCOPE_EXIT(::fclose(handle));</div>
<div class="line"><a name="l00104"></a><span class="lineno"> 104</span> </div>
<div class="line"><a name="l00105"></a><span class="lineno"> 105</span>  std::string stream;</div>
<div class="line"><a name="l00106"></a><span class="lineno"> 106</span>  <span class="keyword">const</span> <span class="keywordtype">size_t</span> blockSize = 64 * 1024;</div>
<div class="line"><a name="l00107"></a><span class="lineno"> 107</span>  <span class="keywordflow">do</span></div>
<div class="line"><a name="l00108"></a><span class="lineno"> 108</span>  {</div>
<div class="line"><a name="l00109"></a><span class="lineno"> 109</span>  stream.resize(stream.size() + blockSize); <span class="comment">//let's pray std::string implements exponential growth!</span></div>
<div class="line"><a name="l00110"></a><span class="lineno"> 110</span> </div>
<div class="line"><a name="l00111"></a><span class="lineno"> 111</span>  <span class="keyword">const</span> <span class="keywordtype">size_t</span> bytesRead = ::fread(&*(stream.begin() + stream.size() - blockSize), 1, blockSize, handle);</div>
<div class="line"><a name="l00112"></a><span class="lineno"> 112</span>  <span class="keywordflow">if</span> (::ferror(handle))</div>
<div class="line"><a name="l00113"></a><span class="lineno"> 113</span>  <span class="keywordflow">throw</span> <a class="code" href="structzen_1_1_xml_file_error.html">XmlFileError</a>(errno);</div>
<div class="line"><a name="l00114"></a><span class="lineno"> 114</span>  <span class="keywordflow">if</span> (bytesRead > blockSize)</div>
<div class="line"><a name="l00115"></a><span class="lineno"> 115</span>  <span class="keywordflow">throw</span> <a class="code" href="structzen_1_1_xml_file_error.html">XmlFileError</a>(0);</div>
<div class="line"><a name="l00116"></a><span class="lineno"> 116</span>  <span class="keywordflow">if</span> (bytesRead < blockSize)</div>
<div class="line"><a name="l00117"></a><span class="lineno"> 117</span>  stream.resize(stream.size() - (blockSize - bytesRead)); <span class="comment">//caveat: unsigned arithmetics</span></div>
<div class="line"><a name="l00118"></a><span class="lineno"> 118</span>  }</div>
<div class="line"><a name="l00119"></a><span class="lineno"> 119</span>  <span class="keywordflow">while</span> (!::feof(handle));</div>
<div class="line"><a name="l00120"></a><span class="lineno"> 120</span> </div>
<div class="line"><a name="l00121"></a><span class="lineno"> 121</span>  <span class="keywordflow">return</span> stream;</div>
<div class="line"><a name="l00122"></a><span class="lineno"> 122</span> }</div>
<div class="line"><a name="l00123"></a><span class="lineno"> 123</span> }</div>
<div class="line"><a name="l00124"></a><span class="lineno"> 124</span> </div>
<div class="line"><a name="l00125"></a><span class="lineno"> 125</span> <span class="preprocessor">#endif //ZEN_XML_IO_HEADER_8917640501480763248343343</span></div>
<div class="ttc" id="namespacezen_html_a4ba7bbaa14a787b07fc13da9145aabe2"><div class="ttname"><a href="namespacezen.html#a4ba7bbaa14a787b07fc13da9145aabe2">zen::saveStream</a></div><div class="ttdeci">void saveStream(const std::string &stream, const String &filename)</div><div class="ttdoc">Save byte stream to a file. </div><div class="ttdef"><b>Definition:</b> io.h:66</div></div>
<div class="ttc" id="namespacezen_html_a04fe23c3bd9b7d03309620b5ea763607"><div class="ttname"><a href="namespacezen.html#a04fe23c3bd9b7d03309620b5ea763607">zen::loadStream</a></div><div class="ttdeci">std::string loadStream(const String &filename)</div><div class="ttdoc">Load byte stream from a file. </div><div class="ttdef"><b>Definition:</b> io.h:94</div></div>
<div class="ttc" id="structzen_1_1_xml_file_error_html_a4a109e749675a3887af8cfc140303b8f"><div class="ttname"><a href="structzen_1_1_xml_file_error.html#a4a109e749675a3887af8cfc140303b8f">zen::XmlFileError::lastError</a></div><div class="ttdeci">ErrorCode lastError</div><div class="ttdoc">Native error code: errno. </div><div class="ttdef"><b>Definition:</b> io.h:35</div></div>
<div class="ttc" id="structzen_1_1_xml_file_error_html"><div class="ttname"><a href="structzen_1_1_xml_file_error.html">zen::XmlFileError</a></div><div class="ttdoc">Exception thrown due to failed file I/O. </div><div class="ttdef"><b>Definition:</b> io.h:29</div></div>
<div class="ttc" id="structzen_1_1_xml_error_html"><div class="ttname"><a href="structzen_1_1_xml_error.html">zen::XmlError</a></div><div class="ttdoc">Exception base class for zen::Xml. </div><div class="ttdef"><b>Definition:</b> error.h:13</div></div>
</div><!-- fragment --></div><!-- contents -->
<!-- start footer part -->
<hr class="footer"/><address class="footer"><small>
Generated by  <a href="http://www.doxygen.org/index.html">
<img class="footer" src="doxygen.png" alt="doxygen"/>
</a> 1.8.6
</small></address>
</body>
</html>
|