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|  <span id="projectnumber">3.0.3</span> |
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| <div class="title">FileSupport.cs</div> </div> |
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| <a href="_file_support_8cs.html">Go to the documentation of this file.</a><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"> *</span></div> |
| <div class="line"><a name="l00003"></a><span class="lineno"> 3</span> <span class="comment"> * Licensed to the Apache Software Foundation (ASF) under one</span></div> |
| <div class="line"><a name="l00004"></a><span class="lineno"> 4</span> <span class="comment"> * or more contributor license agreements. See the NOTICE file</span></div> |
| <div class="line"><a name="l00005"></a><span class="lineno"> 5</span> <span class="comment"> * distributed with this work for additional information</span></div> |
| <div class="line"><a name="l00006"></a><span class="lineno"> 6</span> <span class="comment"> * regarding copyright ownership. The ASF licenses this file</span></div> |
| <div class="line"><a name="l00007"></a><span class="lineno"> 7</span> <span class="comment"> * to you under the Apache License, Version 2.0 (the</span></div> |
| <div class="line"><a name="l00008"></a><span class="lineno"> 8</span> <span class="comment"> * "License"); you may not use this file except in compliance</span></div> |
| <div class="line"><a name="l00009"></a><span class="lineno"> 9</span> <span class="comment"> * with the License. You may obtain a copy of the License at</span></div> |
| <div class="line"><a name="l00010"></a><span class="lineno"> 10</span> <span class="comment"> *</span></div> |
| <div class="line"><a name="l00011"></a><span class="lineno"> 11</span> <span class="comment"> * http://www.apache.org/licenses/LICENSE-2.0</span></div> |
| <div class="line"><a name="l00012"></a><span class="lineno"> 12</span> <span class="comment"> *</span></div> |
| <div class="line"><a name="l00013"></a><span class="lineno"> 13</span> <span class="comment"> * Unless required by applicable law or agreed to in writing,</span></div> |
| <div class="line"><a name="l00014"></a><span class="lineno"> 14</span> <span class="comment"> * software distributed under the License is distributed on an</span></div> |
| <div class="line"><a name="l00015"></a><span class="lineno"> 15</span> <span class="comment"> * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY</span></div> |
| <div class="line"><a name="l00016"></a><span class="lineno"> 16</span> <span class="comment"> * KIND, either express or implied. See the License for the</span></div> |
| <div class="line"><a name="l00017"></a><span class="lineno"> 17</span> <span class="comment"> * specific language governing permissions and limitations</span></div> |
| <div class="line"><a name="l00018"></a><span class="lineno"> 18</span> <span class="comment"> * under the License.</span></div> |
| <div class="line"><a name="l00019"></a><span class="lineno"> 19</span> <span class="comment"> *</span></div> |
| <div class="line"><a name="l00020"></a><span class="lineno"> 20</span> <span class="comment">*/</span></div> |
| <div class="line"><a name="l00021"></a><span class="lineno"> 21</span> </div> |
| <div class="line"><a name="l00022"></a><span class="lineno"> 22</span> <span class="keyword">using</span> System;</div> |
| <div class="line"><a name="l00023"></a><span class="lineno"> 23</span> <span class="keyword">using</span> System.IO;</div> |
| <div class="line"><a name="l00024"></a><span class="lineno"> 24</span> </div> |
| <div class="line"><a name="l00025"></a><span class="lineno"> 25</span> <span class="keyword">namespace </span>Lucene.Net.Support</div> |
| <div class="line"><a name="l00026"></a><span class="lineno"> 26</span> {</div> |
| <div class="line"><a name="l00030"></a><span class="lineno"><a class="code" href="class_lucene_1_1_net_1_1_support_1_1_file_support.html"> 30</a></span>  <span class="keyword">public</span> <span class="keyword">class </span><a class="code" href="class_lucene_1_1_net_1_1_support_1_1_file_support.html" title="Represents the methods to support some operations over files. ">FileSupport</a></div> |
| <div class="line"><a name="l00031"></a><span class="lineno"> 31</span>  {</div> |
| <div class="line"><a name="l00037"></a><span class="lineno"><a class="code" href="class_lucene_1_1_net_1_1_support_1_1_file_support.html#ac75dc3d5298b2772e57dbffaf0c09f61"> 37</a></span>  <span class="keyword">public</span> <span class="keyword">static</span> System.IO.FileInfo[] GetFiles(System.IO.FileInfo path)</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="keywordflow">if</span> ((path.Attributes & FileAttributes.Directory) > 0)</div> |
| <div class="line"><a name="l00040"></a><span class="lineno"> 40</span>  {</div> |
| <div class="line"><a name="l00041"></a><span class="lineno"> 41</span>  String[] fullpathnames = <a class="code" href="_syns2_index_8cs.html#aada057080323f6e867d8f9c189276716">Directory</a>.GetFileSystemEntries(path.FullName);</div> |
| <div class="line"><a name="l00042"></a><span class="lineno"> 42</span>  System.IO.FileInfo[] result = <span class="keyword">new</span> System.IO.FileInfo[fullpathnames.Length];</div> |
| <div class="line"><a name="l00043"></a><span class="lineno"> 43</span>  <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = 0; i < result.Length; i++)</div> |
| <div class="line"><a name="l00044"></a><span class="lineno"> 44</span>  result[i] = <span class="keyword">new</span> System.IO.FileInfo(fullpathnames[i]);</div> |
| <div class="line"><a name="l00045"></a><span class="lineno"> 45</span>  <span class="keywordflow">return</span> result;</div> |
| <div class="line"><a name="l00046"></a><span class="lineno"> 46</span>  }</div> |
| <div class="line"><a name="l00047"></a><span class="lineno"> 47</span>  <span class="keywordflow">else</span></div> |
| <div class="line"><a name="l00048"></a><span class="lineno"> 48</span>  <span class="keywordflow">return</span> null;</div> |
| <div class="line"><a name="l00049"></a><span class="lineno"> 49</span>  }</div> |
| <div class="line"><a name="l00050"></a><span class="lineno"> 50</span>  </div> |
| <div class="line"><a name="l00051"></a><span class="lineno"> 51</span>  <span class="comment">// TODO: This filesupport thing is silly. Same goes with _TestUtil's RMDir.</span></div> |
| <div class="line"><a name="l00052"></a><span class="lineno"> 52</span>  <span class="comment">// If we're removing a directory</span></div> |
| <div class="line"><a name="l00053"></a><span class="lineno"><a class="code" href="class_lucene_1_1_net_1_1_support_1_1_file_support.html#a4a41b0c65e836154145593d9970d4394"> 53</a></span>  <span class="keyword">public</span> <span class="keyword">static</span> System.IO.FileInfo[] GetFiles(System.IO.DirectoryInfo path)</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="keywordflow">return</span> GetFiles(<span class="keyword">new</span> FileInfo(path.FullName));</div> |
| <div class="line"><a name="l00056"></a><span class="lineno"> 56</span>  }</div> |
| <div class="line"><a name="l00057"></a><span class="lineno"> 57</span> </div> |
| <div class="line"><a name="l00064"></a><span class="lineno"><a class="code" href="class_lucene_1_1_net_1_1_support_1_1_file_support.html#acb3bbfe89c81a5843fee7adad06bb2ca"> 64</a></span>  <span class="keyword">public</span> <span class="keyword">static</span> System.String[] GetLuceneIndexFiles(System.String fullName,</div> |
| <div class="line"><a name="l00065"></a><span class="lineno"> 65</span>  Index.IndexFileNameFilter indexFileNameFilter)</div> |
| <div class="line"><a name="l00066"></a><span class="lineno"> 66</span>  {</div> |
| <div class="line"><a name="l00067"></a><span class="lineno"> 67</span>  System.IO.DirectoryInfo dInfo = <span class="keyword">new</span> System.IO.DirectoryInfo(fullName);</div> |
| <div class="line"><a name="l00068"></a><span class="lineno"> 68</span>  System.Collections.ArrayList list = <span class="keyword">new</span> System.Collections.ArrayList();</div> |
| <div class="line"><a name="l00069"></a><span class="lineno"> 69</span>  <span class="keywordflow">foreach</span> (System.IO.FileInfo fInfo in dInfo.GetFiles())</div> |
| <div class="line"><a name="l00070"></a><span class="lineno"> 70</span>  {</div> |
| <div class="line"><a name="l00071"></a><span class="lineno"> 71</span>  <span class="keywordflow">if</span> (indexFileNameFilter.Accept(fInfo, fInfo.Name) == <span class="keyword">true</span>)</div> |
| <div class="line"><a name="l00072"></a><span class="lineno"> 72</span>  {</div> |
| <div class="line"><a name="l00073"></a><span class="lineno"> 73</span>  list.Add(fInfo.Name);</div> |
| <div class="line"><a name="l00074"></a><span class="lineno"> 74</span>  }</div> |
| <div class="line"><a name="l00075"></a><span class="lineno"> 75</span>  }</div> |
| <div class="line"><a name="l00076"></a><span class="lineno"> 76</span>  System.String[] retFiles = <span class="keyword">new</span> System.String[list.Count];</div> |
| <div class="line"><a name="l00077"></a><span class="lineno"> 77</span>  list.CopyTo(retFiles);</div> |
| <div class="line"><a name="l00078"></a><span class="lineno"> 78</span>  <span class="keywordflow">return</span> retFiles;</div> |
| <div class="line"><a name="l00079"></a><span class="lineno"> 79</span>  }</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>  <span class="comment">// Disable the obsolete warning since we must use FileStream.Handle</span></div> |
| <div class="line"><a name="l00082"></a><span class="lineno"> 82</span>  <span class="comment">// because Mono does not support FileSystem.SafeFileHandle at present.</span></div> |
| <div class="line"><a name="l00083"></a><span class="lineno"> 83</span> <span class="preprocessor">#pragma warning disable 618</span></div> |
| <div class="line"><a name="l00084"></a><span class="lineno"> 84</span> <span class="preprocessor"></span></div> |
| <div class="line"><a name="l00090"></a><span class="lineno"><a class="code" href="class_lucene_1_1_net_1_1_support_1_1_file_support.html#ae93d811262769a86ab5e4b765a25d7bf"> 90</a></span>  <span class="keyword">public</span> <span class="keyword">static</span> <span class="keywordtype">void</span> Sync(System.IO.FileStream fileStream)</div> |
| <div class="line"><a name="l00091"></a><span class="lineno"> 91</span>  {</div> |
| <div class="line"><a name="l00092"></a><span class="lineno"> 92</span>  <span class="keywordflow">if</span> (fileStream == null)</div> |
| <div class="line"><a name="l00093"></a><span class="lineno"> 93</span>  <span class="keywordflow">throw</span> <span class="keyword">new</span> ArgumentNullException(<span class="stringliteral">"fileStream"</span>);</div> |
| <div class="line"><a name="l00094"></a><span class="lineno"> 94</span> </div> |
| <div class="line"><a name="l00095"></a><span class="lineno"> 95</span>  fileStream.Flush();</div> |
| <div class="line"><a name="l00096"></a><span class="lineno"> 96</span> </div> |
| <div class="line"><a name="l00097"></a><span class="lineno"> 97</span>  <span class="comment">//if (OS.IsWindows)</span></div> |
| <div class="line"><a name="l00098"></a><span class="lineno"> 98</span>  <span class="comment">//{</span></div> |
| <div class="line"><a name="l00099"></a><span class="lineno"> 99</span>  <span class="comment">// if (!FlushFileBuffers(fileStream.Handle))</span></div> |
| <div class="line"><a name="l00100"></a><span class="lineno"> 100</span>  <span class="comment">// throw new System.IO.IOException();</span></div> |
| <div class="line"><a name="l00101"></a><span class="lineno"> 101</span>  <span class="comment">//}</span></div> |
| <div class="line"><a name="l00102"></a><span class="lineno"> 102</span>  <span class="comment">//else if (OS.IsUnix)</span></div> |
| <div class="line"><a name="l00103"></a><span class="lineno"> 103</span>  <span class="comment">//{</span></div> |
| <div class="line"><a name="l00104"></a><span class="lineno"> 104</span>  <span class="comment">// if (fsync(fileStream.Handle) != IntPtr.Zero)</span></div> |
| <div class="line"><a name="l00105"></a><span class="lineno"> 105</span>  <span class="comment">// throw new System.IO.IOException();</span></div> |
| <div class="line"><a name="l00106"></a><span class="lineno"> 106</span>  <span class="comment">//}</span></div> |
| <div class="line"><a name="l00107"></a><span class="lineno"> 107</span>  <span class="comment">//else</span></div> |
| <div class="line"><a name="l00108"></a><span class="lineno"> 108</span>  <span class="comment">//{</span></div> |
| <div class="line"><a name="l00109"></a><span class="lineno"> 109</span>  <span class="comment">// throw new NotImplementedException();</span></div> |
| <div class="line"><a name="l00110"></a><span class="lineno"> 110</span>  <span class="comment">//}</span></div> |
| <div class="line"><a name="l00111"></a><span class="lineno"> 111</span>  }</div> |
| <div class="line"><a name="l00112"></a><span class="lineno"> 112</span> </div> |
| <div class="line"><a name="l00113"></a><span class="lineno"> 113</span> <span class="preprocessor">#pragma warning restore 618</span></div> |
| <div class="line"><a name="l00114"></a><span class="lineno"> 114</span> <span class="preprocessor"></span></div> |
| <div class="line"><a name="l00115"></a><span class="lineno"> 115</span>  <span class="comment">//[System.Runtime.InteropServices.DllImport("libc")]</span></div> |
| <div class="line"><a name="l00116"></a><span class="lineno"> 116</span>  <span class="comment">//extern static IntPtr fsync(IntPtr fd);</span></div> |
| <div class="line"><a name="l00117"></a><span class="lineno"> 117</span> </div> |
| <div class="line"><a name="l00118"></a><span class="lineno"> 118</span>  <span class="comment">//[System.Runtime.InteropServices.DllImport("kernel32.dll")]</span></div> |
| <div class="line"><a name="l00119"></a><span class="lineno"> 119</span>  <span class="comment">//extern static bool FlushFileBuffers(IntPtr hFile);</span></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> }</div> |
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