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28 <div class="headertitle">
29 <div class="title">Dir.cpp</div> </div>
31 <div class="contents">
32 <div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno"> 1</span> <span class="comment">//</span></div>
33 <div class="line"><a name="l00003"></a><span class="lineno"> 3</span> <span class="comment">// Pluma - Plug-in Management Framework</span></div>
34 <div class="line"><a name="l00004"></a><span class="lineno"> 4</span> <span class="comment">// Copyright (C) 2010-2012 Gil Costa (gsaurus@gmail.com)</span></div>
35 <div class="line"><a name="l00005"></a><span class="lineno"> 5</span> <span class="comment">//</span></div>
36 <div class="line"><a name="l00006"></a><span class="lineno"> 6</span> <span class="comment">// This software is provided 'as-is', without any express or implied warranty.</span></div>
37 <div class="line"><a name="l00007"></a><span class="lineno"> 7</span> <span class="comment">// In no event will the authors be held liable for any damages arising from the use of this software.</span></div>
38 <div class="line"><a name="l00008"></a><span class="lineno"> 8</span> <span class="comment">//</span></div>
39 <div class="line"><a name="l00009"></a><span class="lineno"> 9</span> <span class="comment">// Permission is granted to anyone to use this software for any purpose,</span></div>
40 <div class="line"><a name="l00010"></a><span class="lineno"> 10</span> <span class="comment">// including commercial applications, and to alter it and redistribute it freely,</span></div>
41 <div class="line"><a name="l00011"></a><span class="lineno"> 11</span> <span class="comment">// subject to the following restrictions:</span></div>
42 <div class="line"><a name="l00012"></a><span class="lineno"> 12</span> <span class="comment">//</span></div>
43 <div class="line"><a name="l00013"></a><span class="lineno"> 13</span> <span class="comment">// 1. The origin of this software must not be misrepresented;</span></div>
44 <div class="line"><a name="l00014"></a><span class="lineno"> 14</span> <span class="comment">// you must not claim that you wrote the original software.</span></div>
45 <div class="line"><a name="l00015"></a><span class="lineno"> 15</span> <span class="comment">// If you use this software in a product, an acknowledgment</span></div>
46 <div class="line"><a name="l00016"></a><span class="lineno"> 16</span> <span class="comment">// in the product documentation would be appreciated but is not required.</span></div>
47 <div class="line"><a name="l00017"></a><span class="lineno"> 17</span> <span class="comment">//</span></div>
48 <div class="line"><a name="l00018"></a><span class="lineno"> 18</span> <span class="comment">// 2. Altered source versions must be plainly marked as such,</span></div>
49 <div class="line"><a name="l00019"></a><span class="lineno"> 19</span> <span class="comment">// and must not be misrepresented as being the original software.</span></div>
50 <div class="line"><a name="l00020"></a><span class="lineno"> 20</span> <span class="comment">//</span></div>
51 <div class="line"><a name="l00021"></a><span class="lineno"> 21</span> <span class="comment">// 3. This notice may not be removed or altered from any source distribution.</span></div>
52 <div class="line"><a name="l00022"></a><span class="lineno"> 22</span> <span class="comment">//</span></div>
53 <div class="line"><a name="l00024"></a><span class="lineno"> 24</span> <span class="comment"></span></div>
54 <div class="line"><a name="l00025"></a><span class="lineno"> 25</span> </div>
55 <div class="line"><a name="l00027"></a><span class="lineno"> 27</span> <span class="comment">// Headers</span></div>
56 <div class="line"><a name="l00029"></a><span class="lineno"> 29</span> <span class="comment"></span><span class="preprocessor">#include <Pluma/Dir.hpp></span></div>
57 <div class="line"><a name="l00030"></a><span class="lineno"> 30</span> <span class="preprocessor">#include <Pluma/uce-dirent.h></span></div>
58 <div class="line"><a name="l00031"></a><span class="lineno"> 31</span> <span class="preprocessor">#include <cstdio></span></div>
59 <div class="line"><a name="l00032"></a><span class="lineno"> 32</span> <span class="preprocessor">#include <queue></span></div>
60 <div class="line"><a name="l00033"></a><span class="lineno"> 33</span> </div>
61 <div class="line"><a name="l00034"></a><span class="lineno"> 34</span> </div>
62 <div class="line"><a name="l00035"></a><span class="lineno"> 35</span> <span class="keyword">namespace </span>pluma{</div>
63 <div class="line"><a name="l00036"></a><span class="lineno"> 36</span> </div>
64 <div class="line"><a name="l00037"></a><span class="lineno"> 37</span> <span class="keyword">namespace </span>dir{</div>
65 <div class="line"><a name="l00038"></a><span class="lineno"> 38</span> </div>
66 <div class="line"><a name="l00039"></a><span class="lineno"> 39</span> </div>
67 <div class="line"><a name="l00041"></a><span class="lineno"> 41</span> <span class="keywordtype">void</span> listFiles(std::list<std::string>& list, <span class="keyword">const</span> std::string& folder, <span class="keyword">const</span> std::string& extension, <span class="keywordtype">bool</span> recursive){</div>
68 <div class="line"><a name="l00042"></a><span class="lineno"> 42</span>  DIR* dir;</div>
69 <div class="line"><a name="l00043"></a><span class="lineno"> 43</span>  DIR* subDir;</div>
70 <div class="line"><a name="l00044"></a><span class="lineno"> 44</span>  <span class="keyword">struct </span>dirent *ent;</div>
71 <div class="line"><a name="l00045"></a><span class="lineno"> 45</span>  <span class="comment">// try to open top folder</span></div>
72 <div class="line"><a name="l00046"></a><span class="lineno"> 46</span>  dir = opendir(folder.c_str());</div>
73 <div class="line"><a name="l00047"></a><span class="lineno"> 47</span>  <span class="keywordflow">if</span> (dir == NULL){</div>
74 <div class="line"><a name="l00048"></a><span class="lineno"> 48</span>  <span class="comment">// could not open directory</span></div>
75 <div class="line"><a name="l00049"></a><span class="lineno"> 49</span>  fprintf(stderr, <span class="stringliteral">"Could not open \"%s\" directory.\n"</span>, folder.c_str());</div>
76 <div class="line"><a name="l00050"></a><span class="lineno"> 50</span>  <span class="keywordflow">return</span>;</div>
77 <div class="line"><a name="l00051"></a><span class="lineno"> 51</span>  }<span class="keywordflow">else</span>{</div>
78 <div class="line"><a name="l00052"></a><span class="lineno"> 52</span>  <span class="comment">// close, we'll process it next</span></div>
79 <div class="line"><a name="l00053"></a><span class="lineno"> 53</span>  closedir(dir);</div>
80 <div class="line"><a name="l00054"></a><span class="lineno"> 54</span>  }</div>
81 <div class="line"><a name="l00055"></a><span class="lineno"> 55</span>  <span class="comment">// enqueue top folder</span></div>
82 <div class="line"><a name="l00056"></a><span class="lineno"> 56</span>  std::queue<std::string> folders;</div>
83 <div class="line"><a name="l00057"></a><span class="lineno"> 57</span>  folders.push(folder);</div>
84 <div class="line"><a name="l00058"></a><span class="lineno"> 58</span> </div>
85 <div class="line"><a name="l00059"></a><span class="lineno"> 59</span>  <span class="comment">// run while has queued folders</span></div>
86 <div class="line"><a name="l00060"></a><span class="lineno"> 60</span>  <span class="keywordflow">while</span> (!folders.empty()){</div>
87 <div class="line"><a name="l00061"></a><span class="lineno"> 61</span>  std::string currFolder = folders.front();</div>
88 <div class="line"><a name="l00062"></a><span class="lineno"> 62</span>  folders.pop();</div>
89 <div class="line"><a name="l00063"></a><span class="lineno"> 63</span>  dir = opendir(currFolder.c_str());</div>
90 <div class="line"><a name="l00064"></a><span class="lineno"> 64</span>  <span class="keywordflow">if</span> (dir == NULL) <span class="keywordflow">continue</span>;</div>
91 <div class="line"><a name="l00065"></a><span class="lineno"> 65</span>  <span class="comment">// iterate through all the files and directories</span></div>
92 <div class="line"><a name="l00066"></a><span class="lineno"> 66</span>  <span class="keywordflow">while</span> ((ent = readdir (dir)) != NULL) {</div>
93 <div class="line"><a name="l00067"></a><span class="lineno"> 67</span>  std::string name(ent->d_name);</div>
94 <div class="line"><a name="l00068"></a><span class="lineno"> 68</span>  <span class="comment">// ignore "." and ".." directories</span></div>
95 <div class="line"><a name="l00069"></a><span class="lineno"> 69</span>  <span class="keywordflow">if</span> ( name.compare(<span class="stringliteral">"."</span>) == 0 || name.compare(<span class="stringliteral">".."</span>) == 0) <span class="keywordflow">continue</span>;</div>
96 <div class="line"><a name="l00070"></a><span class="lineno"> 70</span>  <span class="comment">// add path to the file name</span></div>
97 <div class="line"><a name="l00071"></a><span class="lineno"> 71</span>  std::string path = currFolder;</div>
98 <div class="line"><a name="l00072"></a><span class="lineno"> 72</span>  path.append(<span class="stringliteral">"/"</span>);</div>
99 <div class="line"><a name="l00073"></a><span class="lineno"> 73</span>  path.append(name);</div>
100 <div class="line"><a name="l00074"></a><span class="lineno"> 74</span>  <span class="comment">// check if it's a folder by trying to open it</span></div>
101 <div class="line"><a name="l00075"></a><span class="lineno"> 75</span>  subDir = opendir(path.c_str());</div>
102 <div class="line"><a name="l00076"></a><span class="lineno"> 76</span>  <span class="keywordflow">if</span> (subDir != NULL){</div>
103 <div class="line"><a name="l00077"></a><span class="lineno"> 77</span>  <span class="comment">// it's a folder: close, we can process it later</span></div>
104 <div class="line"><a name="l00078"></a><span class="lineno"> 78</span>  closedir(subDir);</div>
105 <div class="line"><a name="l00079"></a><span class="lineno"> 79</span>  <span class="keywordflow">if</span> (recursive) folders.push(path);</div>
106 <div class="line"><a name="l00080"></a><span class="lineno"> 80</span>  }<span class="keywordflow">else</span>{</div>
107 <div class="line"><a name="l00081"></a><span class="lineno"> 81</span>  <span class="comment">// it's a file</span></div>
108 <div class="line"><a name="l00082"></a><span class="lineno"> 82</span>  <span class="keywordflow">if</span> (extension.empty()){</div>
109 <div class="line"><a name="l00083"></a><span class="lineno"> 83</span>  list.push_back(path);</div>
110 <div class="line"><a name="l00084"></a><span class="lineno"> 84</span>  }<span class="keywordflow">else</span>{</div>
111 <div class="line"><a name="l00085"></a><span class="lineno"> 85</span>  <span class="comment">// check file extension</span></div>
112 <div class="line"><a name="l00086"></a><span class="lineno"> 86</span>  <span class="keywordtype">size_t</span> lastDot = name.find_last_of(<span class="charliteral">'.'</span>);</div>
113 <div class="line"><a name="l00087"></a><span class="lineno"> 87</span>  std::string ext = name.substr(lastDot+1);</div>
114 <div class="line"><a name="l00088"></a><span class="lineno"> 88</span>  <span class="keywordflow">if</span> (ext.compare(extension) == 0){</div>
115 <div class="line"><a name="l00089"></a><span class="lineno"> 89</span>  <span class="comment">// match</span></div>
116 <div class="line"><a name="l00090"></a><span class="lineno"> 90</span>  list.push_back(path);</div>
117 <div class="line"><a name="l00091"></a><span class="lineno"> 91</span>  }</div>
118 <div class="line"><a name="l00092"></a><span class="lineno"> 92</span>  } <span class="comment">// endif (extension test)</span></div>
119 <div class="line"><a name="l00093"></a><span class="lineno"> 93</span>  } <span class="comment">// endif (folder test)</span></div>
120 <div class="line"><a name="l00094"></a><span class="lineno"> 94</span>  } <span class="comment">// endwhile (nextFile)</span></div>
121 <div class="line"><a name="l00095"></a><span class="lineno"> 95</span>  closedir(dir);</div>
122 <div class="line"><a name="l00096"></a><span class="lineno"> 96</span>  } <span class="comment">// endwhile (queued folders)</span></div>
123 <div class="line"><a name="l00097"></a><span class="lineno"> 97</span> </div>
124 <div class="line"><a name="l00098"></a><span class="lineno"> 98</span> } <span class="comment">// end listFiles</span></div>
125 <div class="line"><a name="l00099"></a><span class="lineno"> 99</span> </div>
126 <div class="line"><a name="l00100"></a><span class="lineno"> 100</span> </div>
127 <div class="line"><a name="l00101"></a><span class="lineno"> 101</span> } <span class="comment">// namespace dir</span></div>
128 <div class="line"><a name="l00102"></a><span class="lineno"> 102</span> </div>
129 <div class="line"><a name="l00103"></a><span class="lineno"> 103</span> } <span class="comment">// namespace pluma</span></div>
130 </div><!-- fragment --></div><!-- contents -->
133 :: Copyright © 2011 Gil Costa, all rights reserved ::
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