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1 ///////////////////////////////////////////////////////////////////////////////
2 // Name: src/common/dircmn.cpp
3 // Purpose: wxDir methods common to all implementations
4 // Author: Vadim Zeitlin
5 // Modified by:
6 // Created: 19.05.01
7 // RCS-ID: $Id$
8 // Copyright: (c) 2001 Vadim Zeitlin <zeitlin@dptmaths.ens-cachan.fr>
9 // License: wxWindows license
10 ///////////////////////////////////////////////////////////////////////////////
11
12 // ============================================================================
13 // declarations
14 // ============================================================================
15
16 // ----------------------------------------------------------------------------
17 // headers
18 // ----------------------------------------------------------------------------
19
20 /* this is done in platform-specific files
21 #ifdef __GNUG__
22 #pragma implementation "dir.h"
23 #endif
24 */
25
26 // For compilers that support precompilation, includes "wx.h".
27 #include "wx/wxprec.h"
28
29 #ifdef __BORLANDC__
30 #pragma hdrstop
31 #endif
32
33 #ifndef WX_PRECOMP
34 #include "wx/string.h"
35 #include "wx/log.h"
36 #include "wx/intl.h"
37 #include "wx/filefn.h"
38 #endif //WX_PRECOMP
39
40 #include "wx/dir.h"
41
42 // ============================================================================
43 // implementation
44 // ============================================================================
45
46 // ----------------------------------------------------------------------------
47 // wxDir::Traverse()
48 // ----------------------------------------------------------------------------
49
50 size_t wxDir::Traverse(wxDirTraverser& sink,
51 const wxString& filespec,
52 int flags) const
53 {
54 wxCHECK_MSG( IsOpened(), (size_t)-1,
55 _T("dir must be opened before traversing it") );
56
57 // the total number of files found
58 size_t nFiles = 0;
59
60 // the name of this dir with path delimiter at the end
61 wxString prefix = GetName();
62 prefix += wxFILE_SEP_PATH;
63
64 // first, recurse into subdirs
65 if ( flags & wxDIR_DIRS )
66 {
67 wxString dirname;
68 bool cont = GetFirst(&dirname, _T(""), wxDIR_DIRS | wxDIR_HIDDEN);
69 while ( cont )
70 {
71 wxDirTraverseResult res = sink.OnDir(prefix + dirname);
72
73 if ( res == wxDIR_STOP )
74 break;
75
76 if ( res == wxDIR_CONTINUE )
77 {
78 wxDir subdir(prefix + dirname);
79 if ( subdir.IsOpened() )
80 {
81 nFiles += subdir.Traverse(sink, filespec, flags);
82 }
83 }
84 else
85 {
86 wxASSERT_MSG( res == wxDIR_IGNORE,
87 _T("unexpected OnDir() return value") );
88 }
89
90 cont = GetNext(&dirname);
91 }
92 }
93
94 // now enum our own files
95 if ( flags & wxDIR_FILES )
96 {
97 flags &= ~wxDIR_DIRS;
98
99 wxString filename;
100 bool cont = GetFirst(&filename, filespec, flags);
101 while ( cont )
102 {
103 wxDirTraverseResult res = sink.OnFile(prefix + filename);
104 if ( res == wxDIR_STOP )
105 break;
106
107 wxASSERT_MSG( res == wxDIR_CONTINUE,
108 _T("unexpected OnFile() return value") );
109
110 nFiles++;
111
112 cont = GetNext(&filename);
113 }
114 }
115
116 return nFiles;
117 }
118
119 // ----------------------------------------------------------------------------
120 // wxDir::GetAllFiles()
121 // ----------------------------------------------------------------------------
122
123 class wxDirTraverserSimple : public wxDirTraverser
124 {
125 public:
126 wxDirTraverserSimple(wxArrayString& files) : m_files(files) { }
127
128 virtual wxDirTraverseResult OnFile(const wxString& filename)
129 {
130 m_files.Add(filename);
131 return wxDIR_CONTINUE;
132 }
133
134 virtual wxDirTraverseResult OnDir(const wxString& WXUNUSED(dirname))
135 {
136 return wxDIR_CONTINUE;
137 }
138
139 private:
140 wxArrayString& m_files;
141 };
142
143 /* static */
144 size_t wxDir::GetAllFiles(const wxString& dirname,
145 wxArrayString *files,
146 const wxString& filespec,
147 int flags)
148 {
149 wxCHECK_MSG( files, (size_t)-1, _T("NULL pointer in wxDir::GetAllFiles") );
150
151 size_t nFiles = 0;
152
153 wxDir dir(dirname);
154 if ( dir.IsOpened() )
155 {
156 wxDirTraverserSimple traverser(*files);
157
158 nFiles += dir.Traverse(traverser, filespec, flags);
159 }
160
161 return nFiles;
162 }
163