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1 | /////////////////////////////////////////////////////////////////////////////// | |
2 | // Name: src/os2/iniconf.cpp | |
3 | // Purpose: implementation of wxIniConfig class | |
4 | // Author: David Webster | |
5 | // Modified by: | |
6 | // Created: 10/09/99 | |
7 | // RCS-ID: $Id$ | |
8 | // Copyright: David Webster | |
9 | // Licence: wxWindows licence | |
10 | /////////////////////////////////////////////////////////////////////////////// | |
11 | ||
12 | // For compilers that support precompilation, includes "wx.h". | |
13 | #include "wx/wxprec.h" | |
14 | ||
15 | #if wxUSE_CONFIG | |
16 | ||
17 | #ifndef WX_PRECOMP | |
18 | #include "wx/dynarray.h" | |
19 | #include "wx/string.h" | |
20 | #include "wx/intl.h" | |
21 | #include "wx/event.h" | |
22 | #include "wx/app.h" | |
23 | #include "wx/utils.h" | |
24 | #include "wx/log.h" | |
25 | #endif //WX_PRECOMP | |
26 | ||
27 | #include "wx/config.h" | |
28 | ||
29 | #include "wx/os2/iniconf.h" | |
30 | ||
31 | #define INCL_PM | |
32 | #include <os2.h> | |
33 | ||
34 | // ---------------------------------------------------------------------------- | |
35 | // constants | |
36 | // ---------------------------------------------------------------------------- | |
37 | ||
38 | // we replace all path separators with this character | |
39 | #define PATH_SEP_REPLACE '_' | |
40 | ||
41 | // ============================================================================ | |
42 | // implementation | |
43 | // ============================================================================ | |
44 | ||
45 | // ---------------------------------------------------------------------------- | |
46 | // ctor & dtor | |
47 | // ---------------------------------------------------------------------------- | |
48 | ||
49 | wxIniConfig::wxIniConfig(const wxString& strAppName, | |
50 | const wxString& strVendor, | |
51 | const wxString& localFilename, | |
52 | const wxString& globalFilename, | |
53 | long style) | |
54 | : wxConfigBase(!strAppName && wxTheApp ? wxTheApp->GetAppName() | |
55 | : strAppName, | |
56 | !strVendor ? (wxTheApp ? wxTheApp->GetVendorName() | |
57 | : strAppName) | |
58 | : strVendor, | |
59 | localFilename, globalFilename, style) | |
60 | { | |
61 | m_strLocalFilename = localFilename; | |
62 | if (m_strLocalFilename.empty()) | |
63 | { | |
64 | m_strLocalFilename = GetAppName() + wxT(".ini"); | |
65 | } | |
66 | ||
67 | // append the extension if none given and it's not an absolute file name | |
68 | // (otherwise we assume that they know what they're doing) | |
69 | if ( !wxIsPathSeparator(m_strLocalFilename[(size_t) 0]) && | |
70 | m_strLocalFilename.Find('.') == wxNOT_FOUND ) | |
71 | { | |
72 | m_strLocalFilename << wxT(".ini"); | |
73 | } | |
74 | ||
75 | // set root path | |
76 | SetPath(wxEmptyString); | |
77 | } | |
78 | ||
79 | wxIniConfig::~wxIniConfig() | |
80 | { | |
81 | } | |
82 | ||
83 | // ---------------------------------------------------------------------------- | |
84 | // path management | |
85 | // ---------------------------------------------------------------------------- | |
86 | ||
87 | void wxIniConfig::SetPath(const wxString& strPath) | |
88 | { | |
89 | wxArrayString aParts; | |
90 | ||
91 | if ( strPath.empty() ) | |
92 | { | |
93 | // nothing | |
94 | } | |
95 | else if ( strPath[(size_t) 0] == wxCONFIG_PATH_SEPARATOR ) | |
96 | { | |
97 | // absolute path | |
98 | wxSplitPath(aParts, strPath); | |
99 | } | |
100 | else | |
101 | { | |
102 | // relative path, combine with current one | |
103 | wxString strFullPath = GetPath(); | |
104 | strFullPath << wxCONFIG_PATH_SEPARATOR << strPath; | |
105 | wxSplitPath(aParts, strFullPath); | |
106 | } | |
107 | ||
108 | size_t nPartsCount = aParts.Count(); | |
109 | m_strPath.Empty(); | |
110 | if ( nPartsCount == 0 ) | |
111 | { | |
112 | // go to the root | |
113 | m_strGroup = (wxChar*)PATH_SEP_REPLACE; | |
114 | } | |
115 | else | |
116 | { | |
117 | // translate | |
118 | m_strGroup = aParts[(size_t) 0]; | |
119 | for ( size_t nPart = 1; nPart < nPartsCount; nPart++ ) | |
120 | { | |
121 | if ( nPart > 1 ) | |
122 | m_strPath << PATH_SEP_REPLACE; | |
123 | m_strPath << aParts[nPart]; | |
124 | } | |
125 | } | |
126 | ||
127 | // other functions assume that all this is true, i.e. there are no trailing | |
128 | // underscores at the end except if the group is the root one | |
129 | wxASSERT( (m_strPath.empty() || m_strPath.Last() != PATH_SEP_REPLACE) && | |
130 | (m_strGroup == wxString((wxChar)PATH_SEP_REPLACE) || | |
131 | m_strGroup.Last() != PATH_SEP_REPLACE) ); | |
132 | } | |
133 | ||
134 | const wxString& wxIniConfig::GetPath() const | |
135 | { | |
136 | static wxString s_str; | |
137 | ||
138 | // always return abs path | |
139 | s_str = wxCONFIG_PATH_SEPARATOR; | |
140 | ||
141 | if ( m_strGroup == wxString((wxChar)PATH_SEP_REPLACE) ) | |
142 | { | |
143 | // we're at the root level, nothing to do | |
144 | } | |
145 | else | |
146 | { | |
147 | s_str << m_strGroup; | |
148 | if ( !m_strPath.empty() ) | |
149 | s_str << wxCONFIG_PATH_SEPARATOR; | |
150 | for ( const wxChar *p = m_strPath; *p != '\0'; p++ ) | |
151 | { | |
152 | s_str << (*p == PATH_SEP_REPLACE ? wxCONFIG_PATH_SEPARATOR : *p); | |
153 | } | |
154 | } | |
155 | ||
156 | return s_str; | |
157 | } | |
158 | ||
159 | wxString wxIniConfig::GetPrivateKeyName(const wxString& szKey) const | |
160 | { | |
161 | wxString strKey; | |
162 | ||
163 | if ( !m_strPath.empty() ) | |
164 | strKey << m_strPath << PATH_SEP_REPLACE; | |
165 | ||
166 | strKey << szKey; | |
167 | ||
168 | return strKey; | |
169 | } | |
170 | ||
171 | wxString wxIniConfig::GetKeyName(const wxString& szKey) const | |
172 | { | |
173 | wxString strKey; | |
174 | ||
175 | if (m_strGroup != wxString((wxChar)PATH_SEP_REPLACE)) | |
176 | strKey << m_strGroup << PATH_SEP_REPLACE; | |
177 | if ( !m_strPath.empty() ) | |
178 | strKey << m_strPath << PATH_SEP_REPLACE; | |
179 | ||
180 | strKey << szKey; | |
181 | ||
182 | return strKey; | |
183 | } | |
184 | ||
185 | // ---------------------------------------------------------------------------- | |
186 | // enumeration | |
187 | // ---------------------------------------------------------------------------- | |
188 | ||
189 | // not implemented | |
190 | bool wxIniConfig::GetFirstGroup(wxString& WXUNUSED(str), long& WXUNUSED(lIndex)) const | |
191 | { | |
192 | wxFAIL_MSG(wxT("not implemeted")); | |
193 | ||
194 | return false; | |
195 | } | |
196 | ||
197 | bool wxIniConfig::GetNextGroup(wxString& WXUNUSED(str), long& WXUNUSED(lIndex)) const | |
198 | { | |
199 | wxFAIL_MSG(wxT("not implemeted")); | |
200 | ||
201 | return false; | |
202 | } | |
203 | ||
204 | bool wxIniConfig::GetFirstEntry(wxString& WXUNUSED(str), long& WXUNUSED(lIndex)) const | |
205 | { | |
206 | wxFAIL_MSG(wxT("not implemeted")); | |
207 | ||
208 | return false; | |
209 | } | |
210 | ||
211 | bool wxIniConfig::GetNextEntry(wxString& WXUNUSED(str), long& WXUNUSED(lIndex)) const | |
212 | { | |
213 | wxFAIL_MSG(wxT("not implemeted")); | |
214 | ||
215 | return false; | |
216 | } | |
217 | ||
218 | // ---------------------------------------------------------------------------- | |
219 | // misc info | |
220 | // ---------------------------------------------------------------------------- | |
221 | ||
222 | // not implemented | |
223 | size_t wxIniConfig::GetNumberOfEntries(bool WXUNUSED(bRecursive)) const | |
224 | { | |
225 | wxFAIL_MSG(wxT("not implemeted")); | |
226 | ||
227 | return (size_t)-1; | |
228 | } | |
229 | ||
230 | size_t wxIniConfig::GetNumberOfGroups(bool WXUNUSED(bRecursive)) const | |
231 | { | |
232 | wxFAIL_MSG(wxT("not implemeted")); | |
233 | ||
234 | return (size_t)-1; | |
235 | } | |
236 | ||
237 | bool wxIniConfig::HasGroup(const wxString& WXUNUSED(strName)) const | |
238 | { | |
239 | wxFAIL_MSG(wxT("not implemeted")); | |
240 | ||
241 | return false; | |
242 | } | |
243 | ||
244 | bool wxIniConfig::HasEntry(const wxString& WXUNUSED(strName)) const | |
245 | { | |
246 | wxFAIL_MSG(wxT("not implemeted")); | |
247 | ||
248 | return false; | |
249 | } | |
250 | ||
251 | // is current group empty? | |
252 | bool wxIniConfig::IsEmpty() const | |
253 | { | |
254 | char szBuf[1024]; | |
255 | ||
256 | // GetPrivateProfileString(m_strGroup, NULL, "", | |
257 | // szBuf, WXSIZEOF(szBuf), m_strLocalFilename); | |
258 | if ( !::wxIsEmpty(szBuf) ) | |
259 | return false; | |
260 | ||
261 | // GetProfileString(m_strGroup, NULL, "", szBuf, WXSIZEOF(szBuf)); | |
262 | // if ( !::wxIsEmpty(szBuf) ) | |
263 | // return false; | |
264 | ||
265 | return true; | |
266 | } | |
267 | ||
268 | // ---------------------------------------------------------------------------- | |
269 | // read/write | |
270 | // ---------------------------------------------------------------------------- | |
271 | ||
272 | bool wxIniConfig::Read(const wxString& szKey, wxString *pstr) const | |
273 | { | |
274 | wxConfigPathChanger path(this, szKey); | |
275 | wxString strKey = GetPrivateKeyName(path.Name()); | |
276 | ||
277 | wxChar szBuf[1024]; // @@ should dynamically allocate memory... | |
278 | ||
279 | // first look in the private INI file | |
280 | ||
281 | // NB: the lpDefault param to GetPrivateProfileString can't be NULL | |
282 | // GetPrivateProfileString(m_strGroup, strKey, "", | |
283 | // szBuf, WXSIZEOF(szBuf), m_strLocalFilename); | |
284 | if ( ::wxIsEmpty((PSZ)szBuf) ) | |
285 | { | |
286 | // now look in win.ini | |
287 | wxString strKey = GetKeyName(path.Name()); | |
288 | // GetProfileString(m_strGroup, strKey, "", szBuf, WXSIZEOF(szBuf)); | |
289 | } | |
290 | ||
291 | if ( ::wxIsEmpty((PSZ)szBuf) ) | |
292 | { | |
293 | return false; | |
294 | } | |
295 | ||
296 | *pstr = szBuf ; | |
297 | return true; | |
298 | } | |
299 | ||
300 | bool wxIniConfig::Read(const wxString& szKey, wxString *pstr, | |
301 | const wxString& szDefault) const | |
302 | { | |
303 | wxConfigPathChanger path(this, szKey); | |
304 | wxString strKey = GetPrivateKeyName(path.Name()); | |
305 | ||
306 | wxChar szBuf[1024]; // @@ should dynamically allocate memory... | |
307 | ||
308 | // first look in the private INI file | |
309 | ||
310 | // NB: the lpDefault param to GetPrivateProfileString can't be NULL | |
311 | // GetPrivateProfileString(m_strGroup, strKey, "", | |
312 | // szBuf, WXSIZEOF(szBuf), m_strLocalFilename); | |
313 | if ( ::wxIsEmpty((PSZ)szBuf) ) | |
314 | { | |
315 | // now look in win.ini | |
316 | wxString strKey = GetKeyName(path.Name()); | |
317 | // GetProfileString(m_strGroup, strKey, "", szBuf, WXSIZEOF(szBuf)); | |
318 | } | |
319 | ||
320 | if ( ::wxIsEmpty((PSZ)szBuf) ) | |
321 | { | |
322 | *pstr = szDefault; | |
323 | return false; | |
324 | } | |
325 | else | |
326 | { | |
327 | *pstr = szBuf ; | |
328 | return true; | |
329 | } | |
330 | } | |
331 | ||
332 | bool wxIniConfig::Read(const wxString& szKey, long *pl) const | |
333 | { | |
334 | wxConfigPathChanger path(this, szKey); | |
335 | wxString strKey = GetPrivateKeyName(path.Name()); | |
336 | ||
337 | // hack: we have no mean to know if it really found the default value or | |
338 | // didn't find anything, so we call it twice | |
339 | ||
340 | static const int nMagic = 17; // 17 is some "rare" number | |
341 | static const int nMagic2 = 28; // arbitrary number != nMagic | |
342 | long lVal = 0; // = GetPrivateProfileInt(m_strGroup, strKey, nMagic, m_strLocalFilename); | |
343 | ||
344 | if ( lVal != nMagic ) | |
345 | { | |
346 | // the value was read from the file | |
347 | *pl = lVal; | |
348 | return true; | |
349 | } | |
350 | ||
351 | // is it really nMagic? | |
352 | // lVal = GetPrivateProfileInt(m_strGroup, strKey, nMagic2, m_strLocalFilename); | |
353 | if ( lVal == nMagic2 ) | |
354 | { | |
355 | // the nMagic it returned was indeed read from the file | |
356 | *pl = lVal; | |
357 | return true; | |
358 | } | |
359 | ||
360 | // no, it was just returning the default value, so now look in win.ini | |
361 | // *pl = GetProfileInt(GetVendorName(), GetKeyName(szKey), *pl); | |
362 | ||
363 | return true; | |
364 | } | |
365 | ||
366 | bool wxIniConfig::Write(const wxString& szKey, const wxString& WXUNUSED(szValue)) | |
367 | { | |
368 | wxConfigPathChanger path(this, szKey); | |
369 | wxString strKey = GetPrivateKeyName(path.Name()); | |
370 | ||
371 | bool bOk = false; // = WritePrivateProfileString(m_strGroup, strKey, | |
372 | // szValue, m_strLocalFilename) != 0; | |
373 | ||
374 | if ( !bOk ) | |
375 | { | |
376 | wxLogLastError(wxT("WritePrivateProfileString")); | |
377 | } | |
378 | ||
379 | return bOk; | |
380 | } | |
381 | ||
382 | bool wxIniConfig::Write(const wxString& szKey, long lValue) | |
383 | { | |
384 | // ltoa() is not ANSI :-( | |
385 | wxChar szBuf[40]; // should be good for sizeof(long) <= 16 (128 bits) | |
386 | wxSprintf(szBuf, wxT("%ld"), lValue); | |
387 | ||
388 | return Write(szKey, szBuf); | |
389 | } | |
390 | ||
391 | bool wxIniConfig::Flush(bool /* bCurrentOnly */) | |
392 | { | |
393 | // this is just the way it works | |
394 | // return WritePrivateProfileString(NULL, NULL, NULL, m_strLocalFilename) != 0; | |
395 | return false; | |
396 | } | |
397 | ||
398 | // ---------------------------------------------------------------------------- | |
399 | // delete | |
400 | // ---------------------------------------------------------------------------- | |
401 | ||
402 | bool wxIniConfig::DeleteEntry(const wxString& szKey, bool bGroupIfEmptyAlso) | |
403 | { | |
404 | // passing NULL as value to WritePrivateProfileString deletes the key | |
405 | // if ( !Write(szKey, (const char *)NULL) ) | |
406 | // return false; | |
407 | wxConfigPathChanger path(this, szKey); | |
408 | wxString strKey = GetPrivateKeyName(path.Name()); | |
409 | ||
410 | // if (WritePrivateProfileString(m_strGroup, szKey, | |
411 | // (const char*) NULL, m_strLocalFilename) == 0) | |
412 | // return false; | |
413 | ||
414 | if ( !bGroupIfEmptyAlso || !IsEmpty() ) | |
415 | return true; | |
416 | ||
417 | // delete the current group too | |
418 | bool bOk = false; // = WritePrivateProfileString(m_strGroup, NULL, | |
419 | // NULL, m_strLocalFilename) != 0; | |
420 | ||
421 | if ( !bOk ) | |
422 | { | |
423 | wxLogLastError(wxT("WritePrivateProfileString")); | |
424 | } | |
425 | ||
426 | return bOk; | |
427 | } | |
428 | ||
429 | bool wxIniConfig::DeleteGroup(const wxString& szKey) | |
430 | { | |
431 | wxConfigPathChanger path(this, szKey); | |
432 | ||
433 | // passing NULL as section name to WritePrivateProfileString deletes the | |
434 | // whole section according to the docs | |
435 | bool bOk = false; // = WritePrivateProfileString(path.Name(), NULL, | |
436 | // NULL, m_strLocalFilename) != 0; | |
437 | ||
438 | if ( !bOk ) | |
439 | { | |
440 | wxLogLastError(wxT("WritePrivateProfileString")); | |
441 | } | |
442 | ||
443 | return bOk; | |
444 | } | |
445 | ||
446 | #ifndef MAX_PATH | |
447 | #define MAX_PATH 256 | |
448 | #endif | |
449 | ||
450 | bool wxIniConfig::DeleteAll() | |
451 | { | |
452 | // first delete our group in win.ini | |
453 | // WriteProfileString(GetVendorName(), NULL, NULL); | |
454 | ||
455 | // then delete our own ini file | |
456 | wxChar szBuf[MAX_PATH]; | |
457 | size_t nRc = 0; // = GetWindowsDirectory(szBuf, WXSIZEOF(szBuf)); | |
458 | if ( nRc == 0 ) | |
459 | { | |
460 | wxLogLastError(wxT("GetWindowsDirectory")); | |
461 | } | |
462 | else if ( nRc > WXSIZEOF(szBuf) ) | |
463 | { | |
464 | wxFAIL_MSG(_("buffer is too small for Windows directory.")); | |
465 | } | |
466 | ||
467 | wxString strFile = szBuf; | |
468 | strFile << wxT('\\') << m_strLocalFilename; | |
469 | ||
470 | if ( !wxRemoveFile(strFile) ) | |
471 | { | |
472 | wxLogSysError(_("Can't delete the INI file '%s'"), strFile.c_str()); | |
473 | return false; | |
474 | } | |
475 | ||
476 | return true; | |
477 | } | |
478 | ||
479 | bool wxIniConfig::RenameEntry(const wxString& WXUNUSED(oldName), const wxString& WXUNUSED(newName)) | |
480 | { | |
481 | // Not implemented | |
482 | return false; | |
483 | } | |
484 | ||
485 | bool wxIniConfig::RenameGroup(const wxString& WXUNUSED(oldName), const wxString& WXUNUSED(newName)) | |
486 | { | |
487 | // Not implemented | |
488 | return false; | |
489 | } | |
490 | ||
491 | #endif //wxUSE_CONFIG |