Remove compilation warning
[platform/framework/native/appfw.git] / src / io / FIo_RegistryCore.cpp
1 //
2 // Copyright (c) 2012 Samsung Electronics Co., Ltd.
3 //
4 // Licensed under the Apache License, Version 2.0 (the License);
5 // you may not use this file except in compliance with the License.
6 // You may obtain a copy of the License at
7 //
8 //     http://www.apache.org/licenses/LICENSE-2.0
9 //
10 // Unless required by applicable law or agreed to in writing, software
11 // distributed under the License is distributed on an "AS IS" BASIS,
12 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 // See the License for the specific language governing permissions and
14 // limitations under the License.
15 //
16
17 /**
18  * @file        FIo_RegistryCore.cpp
19  * @brief       This is the implementation file for _RegistryCore class.
20  */
21
22 #include <unistd.h>
23 #include <new>
24 #include <unique_ptr.h>
25
26 #include <FBaseInteger.h>
27 #include <FBaseDouble.h>
28 #include <FBaseFloat.h>
29 #include <FBaseUuId.h>
30 #include <FBaseByteBuffer.h>
31 #include <FBaseColIEnumerator.h>
32 #include <FBaseUtilStringTokenizer.h>
33 #include <FBaseResult.h>
34 #include <FBaseSysLog.h>
35 #include <FBaseColAllElementsDeleter.h>
36 #include <FIoFile.h>
37 #include <FIoRegistry.h>
38
39 #include <FBase_StringConverter.h>
40 #include <FBase_LocalizedNumParser.h>
41 #include <FApp_AppInfo.h>
42 #include "FIo_FileImpl.h"
43 #include "FIo_NormalRegistry.h"
44 #include "FIo_SecureRegistry.h"
45 #include "FIo_RegistryCore.h"
46 #include "FIo_SecureIoUtil.h"
47
48 using namespace std;
49 using namespace Tizen::Base;
50 using namespace Tizen::Base::Utility;
51 using namespace Tizen::Base::Collection;
52
53 namespace Tizen { namespace Io
54 {
55
56 static const size_t _MAX_REG_OPENMODE_LENGTH = 2;
57
58 #define _REGISTRY_SECTION_MARKER_CHAR   L'#'
59 #define _REGISTRY_SECTION_VALUE_ASSIGNMENT_MARKER_CHAR L'='
60
61 class _RegistrySection
62         : public Object
63 {
64 public:
65         ~_RegistrySection(void);
66 private:
67         String __sectionName;
68         LinkedList __entryList;
69         friend class _RegistryCore;
70 };
71
72 _RegistrySection::~_RegistrySection(void)
73 {
74         __entryList.RemoveAll(true);
75 }
76
77 class _RegistryEntry
78         : public Object
79 {
80 public:
81         String entryName;
82         String entryValue;
83 };
84
85 _RegistryCore::_RegistryCore(void)
86         : _constructed(false)
87         , _read(false)
88         , _write(false)
89         , _truncate(false)
90         , _append(false)
91         , _update(false)
92         , _pBuffer(null)
93         , _length(0)
94         , __pFileImpl(null)
95 {
96 }
97
98 _RegistryCore::~_RegistryCore(void)
99 {
100         delete __pFileImpl;
101 }
102
103 bool
104 _RegistryCore::VerifyRegistryOpenMode(const char* pOpenMode)
105 {
106         if (pOpenMode == null)
107         {
108                 SysLog(NID_IO, "[E_INVALID_ARG] The specified openMode is null.");
109                 return false;
110         }
111
112         if (strlen(pOpenMode) > _MAX_REG_OPENMODE_LENGTH)
113         {
114                 SysLog(NID_IO, "[E_INVALID_ARG] The specified openMode (%s) is invalid.", pOpenMode);
115                 return false;
116         }
117
118         switch (pOpenMode[0])
119         {
120         case 'r':
121                 _read = true;
122                 break;
123         case 'w':
124                 _write = true;
125                 _truncate = true;
126                 break;
127         case 'a':
128                 _write = true;
129                 _append = true;
130                 break;
131         default:
132                 SysLog(NID_IO, "[E_INVALID_ARG] The specified openMode (%s) is invalid.", pOpenMode);
133                 return false;
134         }
135
136         switch (pOpenMode[1])
137         {
138         case '\0':
139                 break;
140         case '+':
141                 if (pOpenMode[2] == '\0')
142                 {
143                         _read = true;
144                         _write = true;
145                         break;
146                 }
147                 else
148                 {
149                         SysLog(NID_IO, "[E_INVALID_ARG] The specified openMode (%s) is invalid.", pOpenMode);
150                         return false;
151                 }
152         default:
153                 SysLog(NID_IO, "[E_INVALID_ARG] The specified openMode (%s) is invalid.", pOpenMode);
154                 return false;
155         }
156
157         return true;
158 }
159
160 result
161 _RegistryCore::Parse(void)
162 {
163         result r = E_SUCCESS;
164         wchar_t ch = '\0';
165         bool sectionFound = false;
166         String sectionName;
167         int length = 0;
168         unique_ptr<char[]> pEntryName(null);
169         unique_ptr<char[]> pEntryValue(null);
170         int firstTokenPos = 0;
171         String line;
172
173         if (_pBuffer == null)
174         {
175                 SysLog(NID_IO, "The buffer is empty.");
176                 return E_SUCCESS;
177         }
178
179         String inputStr = String((char*)_pBuffer);
180         StringTokenizer lineTok(inputStr, L"\n");
181
182         r = lineTok.GetNextToken(line);
183
184         while (r == E_SUCCESS)
185         {
186                 // skip empty lines
187                 if (line.GetLength() == 0)
188                 {
189                         r = lineTok.GetNextToken(line);
190                         continue;
191                 }
192
193                 // find registry section marker
194                 line.GetCharAt(0, ch);
195                 if (ch == _REGISTRY_SECTION_MARKER_CHAR)
196                 {
197                         sectionFound = true;
198
199                         // skip '#' and "\n' at the end
200                         r = line.SubString(1, line.GetLength() - 1, sectionName);
201                         SysTryCatch(NID_IO, !IsFailed(r), , r, "[%s] Propagated.", GetErrorMessage(r));
202
203                         // if End of the document follows section name without newline character.
204                         sectionName.GetCharAt(sectionName.GetLength() - 1, ch);
205                         if (ch == L'\n')
206                         {
207                                 sectionName.SetLength(sectionName.GetLength() - 1); //Remove '\n'
208                         }
209
210                         // for compatibility check if line contains  '\r' at the end
211                         sectionName.GetCharAt(sectionName.GetLength() - 1, ch);
212                         if (ch == L'\r')
213                         {
214                                 sectionName.SetLength(sectionName.GetLength() - 1); //Remove '\r'
215                         }
216
217                         //TODO: check if remaining data in sectionName is valid or not
218                         //after removing '#', '\n', and '\r', sectionName should contain at least 1 valid character
219                         SysTryCatch(NID_IO,
220                                            sectionName.GetLength() > 0, r = E_PARSING_FAILED, E_PARSING_FAILED,
221                                            "[E_PARSING_FAILED] Section length cannot be <2.");
222
223                         unique_ptr<char[]> pSectionName(_StringConverter::CopyToCharArrayN(sectionName));
224                         SysTryCatch(NID_IO, pSectionName != null, r = E_OUT_OF_MEMORY, E_OUT_OF_MEMORY,
225                                            "[E_OUT_OF_MEMORY] The memory is insufficient.");
226
227                         if (!_RegistryCore::CheckSectionName(pSectionName.get()))
228                         {
229                                 SysTryCatch(NID_IO, false, r = E_PARSING_FAILED, E_PARSING_FAILED,
230                                                    "[E_PARSING_FAILED] Section name could not be parsed.");
231                         }
232
233                         r = _RegistryCore::AddSection(_sectionList, sectionName);
234                         SysTryCatch(NID_IO, !IsFailed(r), , r, "[%s] Propagated.", GetErrorMessage(r));
235                 }
236                 else    // not a section.. but may belongs to a section (entry)
237                 {
238                         // ignores blank lines
239                         line.GetCharAt(0, ch);
240                         if ((ch == L'\n') || (ch == L'\r'))
241                         {
242                                 r = lineTok.GetNextToken(line);
243                                 continue;
244                         }
245
246                         //TODO
247                         // Need to check for tabs, spaces in the beginning of each line
248
249                         // if no section found till now.. ignore
250                         if (sectionFound == false)
251                         {
252                                 r = lineTok.GetNextToken(line);
253                                 continue;
254                         }
255
256                         // if End of the document follows entry value without newline character.
257                         line.GetCharAt(line.GetLength() - 1, ch);
258                         if (ch == L'\n')
259                         {
260                                 line.SetLength(line.GetLength() - 1); //Remove '\n'
261                         }
262
263                         line.GetCharAt(line.GetLength() - 1, ch);
264                         if (ch == L'\r')
265                         {
266                                 line.SetLength(line.GetLength() - 1); //Remove '\r'
267                         }
268
269                         String entryName("");
270                         String entryVal("");
271
272                         // we will have sectionitem=value (or) sectionitem= (or) sectionitem
273                         // as our string. Break this into entry and value
274                         StringTokenizer strTok(line, L"=");
275
276                         // extract entry name
277                         if (strTok.HasMoreTokens())
278                         {
279                                 line.IndexOf(L'=', 0, firstTokenPos); // position of first occurance of '=' in a line
280                                 if (firstTokenPos == 0)
281                                 {
282                                         // entryName should not be empty. i.e., "=value"  or just '=' is invalid case
283                                         SysTryCatch(NID_IO, false, r = E_PARSING_FAILED, E_PARSING_FAILED,
284                                                            "[E_PARSING_FAILED] Entry name cannot be empty.");
285                                 }
286                                 else
287                                 {
288                                         strTok.GetNextToken(entryName);
289                                 }
290                         }
291                         else // missing '=' in  entry line or entry line does not seem to contain "xxx=xxx" format
292                         {
293                                 SysTryCatch(NID_IO, false, r = E_PARSING_FAILED, E_PARSING_FAILED, "[E_PARSING_FAILED] invalid entry Line found.");
294                         }
295
296                         // check if entry name contains invalid chars
297                         pEntryName.reset(_StringConverter::CopyToCharArrayN(entryName));
298                         SysTryCatch(NID_IO, pEntryName, r = E_OUT_OF_MEMORY, E_OUT_OF_MEMORY,
299                                            "[E_OUT_OF_MEMORY] The memory is insufficient.");
300
301                         if (!_RegistryCore::CheckEntryName(pEntryName.get()))
302                         {
303                                 SysTryCatch(NID_IO, false, r = E_PARSING_FAILED, E_PARSING_FAILED,
304                                                    "[E_PARSING_FAILED] Entry name could not be parsed.");
305                         }
306
307                         line.SubString(firstTokenPos + 1, entryVal); // extract entry value
308
309                         // check if entry value contains invalid chars
310                         pEntryValue.reset(_StringConverter::CopyToCharArrayN(entryVal));
311                         SysTryCatch(NID_IO, pEntryValue, r = E_OUT_OF_MEMORY, E_OUT_OF_MEMORY,
312                                            "[E_OUT_OF_MEMORY] The memory is insufficient.");
313
314                         length = strlen(pEntryValue.get());
315                         if (length > 0)
316                         {
317                                 if (!_RegistryCore::CheckEntryValue(pEntryValue.get()))
318                                 {
319                                         SysTryCatch(NID_IO, false, r = E_PARSING_FAILED, E_PARSING_FAILED,
320                                                            "[E_PARSING_FAILED] Entry value could not be parsed.");
321                                 }
322                         }
323
324                         // add the entry and value
325                         r = _RegistryCore::AddValue(_sectionList, sectionName, entryName, entryVal);
326                         SysTryCatch(NID_IO, !IsFailed(r), , r, "[%s] Propagated.", GetErrorMessage(r));
327                 }
328                 r = lineTok.GetNextToken(line);
329         } // while()
330
331         if (r == E_OUT_OF_RANGE)
332         {
333                 r = E_SUCCESS;
334         }
335
336         // fall through
337 CATCH:
338
339         if (r == E_PARSING_FAILED && Tizen::App::_AppInfo::IsOspCompat() == false)
340         {
341                 r = E_INVALID_FORMAT;
342         }
343
344         SysLog(NID_IO, "[%s] exception occurred.", GetErrorMessage(r));
345         return r;
346 }
347
348 result
349 _RegistryCore::Load(const String& regPath, const char* pOpenMode)
350 {
351         result r = E_SUCCESS;
352         delete[] _pBuffer; //clear existing buffer
353         _pBuffer = null;
354         _length = 0;
355
356         // open registry file
357         unique_ptr<_FileImpl> pFileImpl(new (std::nothrow) _FileImpl());
358         SysTryReturnResult(NID_IO, pFileImpl != null, E_OUT_OF_MEMORY, "The memory is insufficient.");
359
360         r = pFileImpl->Construct(regPath, pOpenMode, null);
361         SysTryReturn(NID_IO, !IsFailed(r), r, r, "[%s] Constructing the file has failed.", GetErrorMessage(r));
362
363         // reset the section list to be sure that its empty
364         _sectionList.RemoveAll(true);
365
366         if (_truncate == false)
367         {
368                 // load the registry file
369                 r = pFileImpl->ReadN((char**)&_pBuffer, _length);
370                 if (_length > 0)
371                 {
372                         _length--;
373                 }
374         }
375
376         __pFileImpl = pFileImpl.release();
377
378         return r;
379 }
380
381 result
382 _RegistryCore::AddSection(const String& sectionName)
383 {
384         SysAssertf(_constructed == true, "Not yet constructed. Construct() should be called before use.\n");
385
386         result r = E_SUCCESS;
387         bool sectionFound = false;
388
389         // Get section information
390         unique_ptr<IEnumerator> pEnum(_sectionList.GetEnumeratorN());
391         if (pEnum == null)
392         {
393                 return GetLastResult();
394         }
395
396         while (pEnum->MoveNext() == E_SUCCESS)
397         {
398                 _RegistrySection* pRegSection = dynamic_cast <_RegistrySection*>(pEnum->GetCurrent());
399                 SysTryReturn(NID_IO, pRegSection != null, GetLastResult(), GetLastResult(), "[%s] Propagated.",
400                                    GetErrorMessage(GetLastResult()));
401
402                 if (pRegSection->__sectionName == sectionName)
403                 {
404                         sectionFound = true;
405                         break;
406                 }
407         }
408
409         if (sectionFound == true)
410         {
411                 return E_SECTION_ALREADY_EXIST;
412         }
413
414         // create a key with section name
415         unique_ptr<_RegistrySection> pRegSection(new (std::nothrow) _RegistrySection());
416         SysTryReturnResult(NID_IO, pRegSection != null, E_OUT_OF_MEMORY,
417                            "The memory is insufficient.");
418
419         pRegSection->__sectionName = sectionName;
420
421         // add new section and section-entry map
422         r = _sectionList.Add(*(pRegSection.release()));
423         SysTryReturn(NID_IO, !IsFailed(r), r, r, "[%s] Propagated.", GetErrorMessage(r));
424
425         _update = true;
426         return E_SUCCESS;
427 }
428
429 result
430 _RegistryCore::RemoveSection(const String& sectionName)
431 {
432         SysAssertf(_constructed == true, "Not yet constructed. Construct() should be called before use.\n");
433
434         result r = E_SUCCESS;
435         _RegistrySection* pRegSection = null;
436         bool sectionFound = false;
437
438         if (_sectionList.GetCount() == 0)
439         {
440                 return E_SECTION_NOT_FOUND;
441         }
442
443         // Get section information
444         unique_ptr<IEnumerator> pEnum(_sectionList.GetEnumeratorN());
445         if (pEnum == null)
446         {
447                 return GetLastResult();
448         }
449
450         while (pEnum->MoveNext() == E_SUCCESS)
451         {
452                 pRegSection = dynamic_cast< _RegistrySection* >(pEnum->GetCurrent());
453                 SysTryReturn(NID_IO, pRegSection != null, GetLastResult(), GetLastResult(), "[%s] Propagating.",
454                                    GetErrorMessage(GetLastResult()));
455
456                 if (pRegSection->__sectionName == sectionName)
457                 {
458                         sectionFound = true;
459                         break;
460                 }
461         }
462
463         if (sectionFound == false)
464         {
465                 return E_SECTION_NOT_FOUND;
466         }
467
468         r = _sectionList.Remove(*pRegSection, true);
469         SysTryReturnResult(NID_IO, !IsFailed(r), E_IO, "system error");
470
471         _update = true;
472         return E_SUCCESS;
473 }
474
475 result
476 _RegistryCore::GetSectionListN(IList** pRetList)
477 {
478         result r = E_SUCCESS;
479         unique_ptr<IEnumerator> pEnum(null);
480         _RegistrySection* pSection = null;
481
482         SysAssertf(_constructed == true, "Not yet constructed. Construct() should be called before use.\n");
483         SysTryReturnResult(NID_IO, pRetList != null, E_INVALID_ARG, "pList cannot be null.");
484
485         // construct an array list to be returned
486         unique_ptr<ArrayList, AllElementsDeleter> pSectionList(new (std::nothrow) ArrayList());
487         SysTryReturnResult(NID_IO, pSectionList != null, E_OUT_OF_MEMORY,
488                            "The memory is insufficient.");
489
490         r = pSectionList->Construct();
491         SysTryReturn(NID_IO, !IsFailed(r), r, r, "[%s] Propagated.", GetErrorMessage(r));
492
493         // if no sectons, return empty list
494         if (_sectionList.GetCount() == 0)
495         {
496                 *pRetList = pSectionList.release();
497                 return E_SUCCESS;
498         }
499
500         // copy from class section list to the new list and return
501         pEnum.reset(_sectionList.GetEnumeratorN());
502         SysTryReturn(NID_IO, pEnum != null, GetLastResult(), GetLastResult(), "[%s] Section list is empty.", GetErrorMessage(GetLastResult()));
503
504         while (pEnum->MoveNext() == E_SUCCESS)
505         {
506                 pSection = dynamic_cast <_RegistrySection*>(pEnum->GetCurrent());
507                 SysTryReturn(NID_IO, pSection != null, GetLastResult(), GetLastResult(), "[%s] Propagated.",
508                                    GetErrorMessage(GetLastResult()));
509
510                 unique_ptr<String> pSectionName(new (std::nothrow) String(pSection->__sectionName));
511                 SysTryReturnResult(NID_IO, pSectionName != null, E_OUT_OF_MEMORY, "The memory is insufficient.");
512
513                 r = pSectionList->Add(*(pSectionName.release()));
514                 SysTryReturn(NID_IO, !IsFailed(r), r, r, "[%s] Propagated.", GetErrorMessage(r));
515         }
516
517         *pRetList = pSectionList.release();
518
519         return E_SUCCESS;
520 }
521
522 result
523 _RegistryCore::GetEntryList(const String& sectionName, Collection::HashMap& retMap)
524 {
525         result r = E_SUCCESS;
526         unique_ptr<IEnumerator> pEnum(null);
527         unique_ptr<String> pKeyEntryStr(null);
528         unique_ptr<String> pKeyValStr(null);
529         bool sectionFound = false;
530         _RegistrySection* pRegSection = null;
531         _RegistryEntry* pRegEntry = null;
532
533         SysAssertf(_constructed == true, "Not yet constructed. Construct() should be called before use.\n");
534
535         if (_sectionList.GetCount() == 0)
536         {
537                 return E_SECTION_NOT_FOUND;
538         }
539
540         // Get section information
541         pEnum.reset(_sectionList.GetEnumeratorN());
542         SysTryReturnResult(NID_IO, pEnum != null, E_SYSTEM, "Section list is empty.");
543
544         while (pEnum->MoveNext() == E_SUCCESS)
545         {
546                 pRegSection = dynamic_cast <_RegistrySection*>(pEnum->GetCurrent());
547                 SysTryReturn(NID_IO, pRegSection != null, GetLastResult(), GetLastResult(), "[%s] Propagated.",
548                                    GetErrorMessage(GetLastResult()));
549
550                 if (pRegSection->__sectionName == sectionName)
551                 {
552                         sectionFound = true;
553                         break;
554                 }
555         }
556
557         if (sectionFound == false)
558         {
559                 return E_SECTION_NOT_FOUND;
560         }
561
562         // copy from item list to the new list and return
563         pEnum.reset((pRegSection->__entryList).GetEnumeratorN());
564         SysTryReturn(NID_IO, pEnum != null, GetLastResult(), GetLastResult(), "[%s] Propagated.",
565                                            GetErrorMessage(GetLastResult()));
566
567         while (pEnum->MoveNext() == E_SUCCESS)
568         {
569                 pRegEntry = dynamic_cast <_RegistryEntry*>(pEnum->GetCurrent());
570                 SysTryReturn(NID_IO, pRegEntry != null, GetLastResult(), GetLastResult(), "[%s] Propagated.",
571                                    GetErrorMessage(GetLastResult()));
572
573                 pKeyEntryStr.reset(new (std::nothrow) String((pRegEntry->entryName)));
574                 SysTryCatch(NID_IO, pKeyEntryStr != null, r = E_OUT_OF_MEMORY, E_OUT_OF_MEMORY,
575                                 "[E_OUT_OF_MEMORY] The memory is insufficient.");
576                 pKeyValStr.reset(new (std::nothrow) String((pRegEntry->entryValue)));
577                 SysTryCatch(NID_IO, pKeyValStr != null, r = E_OUT_OF_MEMORY, E_OUT_OF_MEMORY,
578                                 "[E_OUT_OF_MEMORY] The memory is insufficient.");
579
580                 r = retMap.Add(*(pKeyEntryStr.release()), *(pKeyValStr.release()));
581                 SysTryCatch(NID_IO, !IsFailed(r), , r, "[%s] Propagated.", GetErrorMessage(r));
582         }
583
584         return E_SUCCESS;
585
586 CATCH:
587         retMap.RemoveAll(true);
588
589         return r;
590 }
591
592 result
593 _RegistryCore::GetEntryListN(const String& sectionName, HashMap** pRetList)
594 {
595         result r = E_SUCCESS;
596
597         SysAssertf(_constructed == true, "Not yet constructed. Construct() should be called before use.\n");
598         SysTryReturnResult(NID_IO, pRetList != null, E_INVALID_ARG, "pRetList cannot be null.");
599
600         // construct an array list to be returned
601         unique_ptr<HashMap, AllElementsDeleter> pEntryList(new (std::nothrow) HashMap());
602         SysTryReturnResult(NID_IO, pEntryList != null, E_OUT_OF_MEMORY,
603                         "The memory is insufficient.");
604         r = pEntryList->Construct();
605         SysTryReturn(NID_IO, !IsFailed(r), r, r, "[%s] Propagated.", GetErrorMessage(r));
606         r = GetEntryList(sectionName, *(pEntryList.get()));
607         *pRetList = pEntryList.release();
608
609         return r;
610 }
611
612 IMap*
613 _RegistryCore::GetAllEntriesN(const String& sectionName)
614 {
615         result r = E_SUCCESS;
616         HashMap* pMap = null;
617
618         r = GetEntryListN(sectionName, &pMap);
619         SysTryCatch(NID_IO, !IsFailed(r), , r, "[%s] Propagated.", GetErrorMessage(r));
620
621         SetLastResult(E_SUCCESS);
622         return pMap;
623
624 CATCH:
625         SetLastResult(r);
626         return null;
627 }
628
629 IList*
630 _RegistryCore::GetAllEntryNamesN(const String& sectionName)
631 {
632         result r = E_SUCCESS;
633
634         unique_ptr<ArrayList, AllElementsDeleter> pEntryList(new (std::nothrow) ArrayList());
635         SysTryReturn(NID_IO, pEntryList != null, null, E_OUT_OF_MEMORY, "[E_OUT_OF_MEMORY] The memory is insufficient.");
636
637         r = pEntryList->Construct();
638         SysTryReturn(NID_IO, !IsFailed(r), null, r, "[%s] Propagated.", GetErrorMessage(r));
639
640         unique_ptr<IMap, AllElementsDeleter> pMap(this->GetAllEntriesN(sectionName));
641         SysTryReturn(NID_IO, pMap != null, null, GetLastResult(), "[%s] Getting all entries was failed.",
642                         GetErrorMessage(GetLastResult()));
643
644         unique_ptr<IMapEnumerator> pMapEnum(pMap->GetMapEnumeratorN());
645         SysTryReturn(NID_IO, pMapEnum, null, E_OUT_OF_MEMORY, "[E_OUT_OF_MEMORY] The memory is insufficient.");
646         while (pMapEnum->MoveNext() == E_SUCCESS)
647         {
648                 String* pKey = dynamic_cast< String* >(pMapEnum->GetKey());
649                 SysTryReturn(NID_IO, pKey != null, null, E_IO, "[E_OUT_OF_MEMORY] The system error occurred.");
650
651                 String* pEntryName = new (std::nothrow) String(*pKey);
652                 SysTryReturn(NID_IO, pEntryName != null, null, E_OUT_OF_MEMORY, "[E_OUT_OF_MEMORY] The memory is insufficient.");
653
654                 r = pEntryList->Add(*pEntryName);
655                 SysTryReturn(NID_IO, !IsFailed(r), null, r, "[%s] Propagated.", GetErrorMessage(r));
656         }
657
658         SetLastResult(E_SUCCESS);
659         return pEntryList.release();
660 }
661
662 result
663 _RegistryCore::GetValue(const String& sectionName, const String& entryName, String& valStr)
664 {
665         bool sectionFound = false;
666         bool entryFound = false;
667         _RegistrySection* pRegSection = null;
668         _RegistryEntry* pRegEntry = null;
669
670         SysAssertf(_constructed == true, "Not yet constructed. Construct() should be called before use.\n");
671
672         if (_sectionList.GetCount() == 0)
673         {
674                 return E_SECTION_NOT_FOUND;
675         }
676
677         // Get section information
678         unique_ptr<IEnumerator> pEnum(_sectionList.GetEnumeratorN());
679         if (pEnum == null)
680         {
681                 return GetLastResult();
682         }
683
684         while (pEnum->MoveNext() == E_SUCCESS)
685         {
686                 pRegSection = dynamic_cast <_RegistrySection*>(pEnum->GetCurrent());
687                 SysTryReturn(NID_IO, pRegSection != null, GetLastResult(), GetLastResult(), "[%s] Propagated.",
688                                    GetErrorMessage(GetLastResult()));
689
690                 if (pRegSection->__sectionName == sectionName)
691                 {
692                         sectionFound = true;
693                         break;
694                 }
695         }
696
697         if (sectionFound == false)
698         {
699                 return E_SECTION_NOT_FOUND;
700         }
701
702         pEnum.reset(pRegSection->__entryList.GetEnumeratorN());
703         if (pEnum == null)
704         {
705                 return GetLastResult();
706         }
707
708         while (pEnum->MoveNext() == E_SUCCESS)
709         {
710                 pRegEntry = dynamic_cast <_RegistryEntry*>(pEnum->GetCurrent());
711                 SysTryReturn(NID_IO, pRegEntry != null, GetLastResult(), GetLastResult(), "[%s] Propagated.",
712                                    GetErrorMessage(GetLastResult()));
713
714                 if (pRegEntry->entryName == entryName)
715                 {
716                         valStr = pRegEntry->entryValue;
717                         entryFound = true;
718                         break;
719                 }
720         }
721
722         SysTryLog(NID_IO, entryFound, "Entry not found");
723
724         return((entryFound == true) ? E_SUCCESS : E_KEY_NOT_FOUND);
725 }
726
727 result
728 _RegistryCore::AddValue(const String& sectionName, const String& entryName, const String& valStr)
729 {
730         result r = E_SUCCESS;
731         bool sectionFound = false;
732         bool entryFound = false;
733         _RegistrySection* pRegSection = null;
734         int length = 0;
735
736         SysAssertf(_constructed == true, "Not yet constructed. Construct() should be called before use.\n");
737
738         // Get section information
739         unique_ptr<IEnumerator> pEnum(_sectionList.GetEnumeratorN());
740         if (pEnum == null)
741         {
742                 return GetLastResult();
743         }
744
745         while (pEnum->MoveNext() == E_SUCCESS)
746         {
747                 pRegSection = dynamic_cast <_RegistrySection*>(pEnum->GetCurrent());
748                 SysTryReturn(NID_IO, pRegSection != null, GetLastResult(), GetLastResult(), "[%s] Propagated.",
749                                    GetErrorMessage(GetLastResult()));
750
751                 if (pRegSection->__sectionName == sectionName)
752                 {
753                         sectionFound = true;
754                         break;
755                 }
756         }
757
758         if (sectionFound == false)
759         {
760                 return E_SECTION_NOT_FOUND;
761         }
762
763         pEnum.reset(pRegSection->__entryList.GetEnumeratorN());
764         if (pEnum == null)
765         {
766                 return GetLastResult();
767         }
768
769         while (pEnum->MoveNext() == E_SUCCESS)
770         {
771                 _RegistryEntry* pRegEntry = dynamic_cast <_RegistryEntry*>(pEnum->GetCurrent());
772                 SysTryReturn(NID_IO, pRegEntry != null, GetLastResult(), GetLastResult(), "[%s] Propagated.",
773                                    GetErrorMessage(GetLastResult()));
774
775                 if (pRegEntry->entryName == entryName)
776                 {
777                         entryFound = true;
778                         break;
779                 }
780         }
781
782         if (entryFound == true)
783         {
784                 return E_KEY_ALREADY_EXIST;
785         }
786
787         unique_ptr<_RegistryEntry> pRegEntry(new (std::nothrow) _RegistryEntry());
788         SysTryReturnResult(NID_IO, pRegEntry != null, E_OUT_OF_MEMORY, "The memory is insufficient.");
789
790         unique_ptr<char[]> pEntryName(_StringConverter::CopyToCharArrayN(entryName));
791         SysTryReturnResult(NID_IO, pEntryName != null, E_OUT_OF_MEMORY, "The memory is insufficient.");
792
793         length = strlen(pEntryName.get());
794         if (!_RegistryCore::CheckEntryName(pEntryName.get()))
795         {
796                 SysTryReturnResult(NID_IO, false, E_PARSING_FAILED, "Entry name could not be parsed.");
797         }
798
799         unique_ptr<char[]> pEntryValue(_StringConverter::CopyToCharArrayN(valStr));
800         SysTryReturnResult(NID_IO, pEntryValue != null, E_OUT_OF_MEMORY, "The memory is insufficient.");
801
802         length = strlen(pEntryValue.get());
803         if (length > 0 && !_RegistryCore::CheckEntryValue(pEntryValue.get()))
804         {
805                 SysTryReturnResult(NID_IO, false, E_PARSING_FAILED, "Entry value could not be parsed.");
806         }
807
808         pRegEntry->entryName = entryName;
809         pRegEntry->entryValue = valStr;
810
811         r = pRegSection->__entryList.Add(*(pRegEntry.release()));
812         SysTryReturn(NID_IO, !IsFailed(r), r, r, "[%s] Propagated.", GetErrorMessage(r));
813
814         _update = true;
815         return E_SUCCESS;
816 }
817
818 result
819 _RegistryCore::SetValue(const String& sectionName, const String& entryName, const String& valStr)
820 {
821         result r = E_SUCCESS;
822         bool sectionFound = false;
823         bool entryFound = false;
824         _RegistryEntry* pRegEntry = null;
825         _RegistrySection* pRegSection = null;
826         int length = 0;
827         int entryIndex = 0;
828
829         SysAssertf(_constructed == true, "Not yet constructed. Construct() should be called before use.\n");
830
831         if (_sectionList.GetCount() == 0)
832         {
833                 return E_SECTION_NOT_FOUND;
834         }
835
836         // Get section information
837         unique_ptr<IEnumerator> pEnum(_sectionList.GetEnumeratorN());
838         if (pEnum == null)
839         {
840                 return GetLastResult();
841         }
842
843         while (pEnum->MoveNext() == E_SUCCESS)
844         {
845                 pRegSection = dynamic_cast< _RegistrySection* >(pEnum->GetCurrent());
846                 SysTryReturn(NID_IO, pRegSection != null, GetLastResult(), GetLastResult(), "[%s] Propagated.",
847                                    GetErrorMessage(GetLastResult()));
848
849                 if (pRegSection->__sectionName == sectionName)
850                 {
851                         sectionFound = true;
852                         break;
853                 }
854         }
855
856         if (sectionFound == false)
857         {
858                 return E_SECTION_NOT_FOUND;
859         }
860
861         pEnum.reset(pRegSection->__entryList.GetEnumeratorN());
862         if (pEnum == null)
863         {
864                 return GetLastResult();
865         }
866
867         while (pEnum->MoveNext() == E_SUCCESS)
868         {
869                 pRegEntry = dynamic_cast< _RegistryEntry* >(pEnum->GetCurrent());
870                 SysTryReturn(NID_IO, pRegEntry != null, GetLastResult(), GetLastResult(), "[%s] Propagated.",
871                                    GetErrorMessage(GetLastResult()));
872
873                 if (pRegEntry->entryName == entryName)
874                 {
875                         entryFound = true;
876                         break;
877                 }
878                 entryIndex++;
879         }
880
881         if (entryFound == false)
882         {
883                 return E_KEY_NOT_FOUND;
884         }
885
886         if (valStr.GetLength() > 0)
887         {
888                 unique_ptr<char[]> pEntryValue(_StringConverter::CopyToCharArrayN(valStr));
889                 SysTryReturnResult(NID_IO, pEntryValue != null, E_OUT_OF_MEMORY, "The memory is insufficient.");
890
891                 length = strlen(pEntryValue.get());
892                 if (!_RegistryCore::CheckEntryValue(pEntryValue.get()))
893                 {
894                         return E_PARSING_FAILED;
895                 }
896         }
897
898         pRegEntry->entryValue = valStr;
899         r = pRegSection->__entryList.SetAt(*pRegEntry, entryIndex);
900         SysTryReturnResult(NID_IO, !IsFailed(r), E_IO, "system error");
901
902         _update = true;
903         return E_SUCCESS;
904 }
905
906 result
907 _RegistryCore::RemoveValue(const String& sectionName, const String& entryName)
908 {
909         result r = E_SUCCESS;
910         bool sectionFound = false;
911         bool entryFound = false;
912         _RegistryEntry* pRegEntry = null;
913         _RegistrySection* pRegSection = null;
914
915         SysAssertf(_constructed == true, "Not yet constructed. Construct() should be called before use.\n");
916
917         if (_sectionList.GetCount() <= 0)
918         {
919                 return E_SECTION_NOT_FOUND;
920         }
921
922         // Get section information
923         unique_ptr<IEnumerator> pEnum(_sectionList.GetEnumeratorN());
924         if (pEnum == null)
925         {
926                 return E_SECTION_NOT_FOUND;
927         }
928
929         while (pEnum->MoveNext() == E_SUCCESS)
930         {
931                 pRegSection = dynamic_cast <_RegistrySection*>(pEnum->GetCurrent());
932                 SysTryReturn(NID_IO, pRegSection != null, GetLastResult(), GetLastResult(), "[%s] Propagated.",
933                                    GetErrorMessage(GetLastResult()));
934
935                 if (pRegSection->__sectionName == sectionName)
936                 {
937                         sectionFound = true;
938                         break;
939                 }
940         }
941
942         if (sectionFound == false)
943         {
944                 return E_SECTION_NOT_FOUND;
945         }
946
947         pEnum.reset(pRegSection->__entryList.GetEnumeratorN());
948         if (pEnum == null)
949         {
950                 return E_SECTION_NOT_FOUND;
951         }
952
953         while (pEnum->MoveNext() == E_SUCCESS)
954         {
955                 pRegEntry = dynamic_cast <_RegistryEntry*>(pEnum->GetCurrent());
956                 SysTryReturn(NID_IO, pRegEntry != null, GetLastResult(), GetLastResult(), "[%s] Propagated.",
957                                    GetErrorMessage(GetLastResult()));
958
959                 if (pRegEntry->entryName == entryName)
960                 {
961                         entryFound = true;
962                         break;
963                 }
964         }
965
966         if (entryFound == false)
967         {
968                 return E_KEY_NOT_FOUND;
969         }
970
971         r = pRegSection->__entryList.Remove(*pRegEntry, true);
972         SysTryReturnResult(NID_IO, !IsFailed(r), E_IO, "system error");
973
974         _update = true;
975         return E_SUCCESS;
976 }
977
978 result
979 _RegistryCore::Flush(void)
980 {
981         return E_SUCCESS;
982 }
983
984 result
985 _RegistryCore::Write(void)
986 {
987         SysAssertf(_constructed == true, "Not yet constructed. Construct() should be called before use.\n");
988
989         if (_pBuffer == null)
990         {
991                 SysLog(NID_IO, "The buffer is empty.");
992                 return E_SUCCESS;
993         }
994
995         result r = __pFileImpl->Seek(FILESEEKPOSITION_BEGIN, 0);
996         SysTryReturn(NID_IO, !IsFailed(r), r, r, "[%s] Propagated.", GetErrorMessage(r));
997
998         r = __pFileImpl->Truncate(0);
999         SysTryReturn(NID_IO, !IsFailed(r), r, r, "[%s] Propagated.", GetErrorMessage(r));
1000
1001         r = __pFileImpl->Write(_pBuffer, _length);
1002         SysTryReturn(NID_IO, !IsFailed(r), r, r, "[%s] Propagated.", GetErrorMessage(r));
1003
1004         r = __pFileImpl->Flush();
1005         SysTryReturn(NID_IO, !IsFailed(r), r, r, "[%s] Propagated.", GetErrorMessage(r));
1006
1007         return r;
1008 }
1009
1010 result
1011 _RegistryCore::PrepareToWrite(void)
1012 {
1013         SysAssertf(_constructed == true, "Not yet constructed. Construct() should be called before use.\n");
1014
1015         result r = E_SUCCESS;
1016         _RegistryEntry* pRegEntry = null;
1017         _RegistrySection* pRegSection = null;
1018         String inputBuffer;
1019
1020         delete[] _pBuffer; //clear existing buffer
1021         _pBuffer = null;
1022         _length = 0;
1023
1024         if (_write == false)
1025         {
1026                 SysLog(NID_IO, "[E_ILLEGAL_ACCESS] Registry cannot be flushed as it was opened in read only mode.");
1027                 return E_ILLEGAL_ACCESS;
1028         }
1029
1030         // if no sections, do nothing
1031         if (_sectionList.GetCount() == 0)
1032         {
1033                 unique_ptr<char[]> pFilePath(_StringConverter::CopyToCharArrayN(_regPath));
1034                 int res = truncate(pFilePath.get(), 0);
1035
1036                 return E_SUCCESS;
1037         }
1038
1039         // write the registry map to a file
1040         // Get section information
1041         unique_ptr<IEnumerator> pSectionEnum(_sectionList.GetEnumeratorN());
1042         SysTryReturn(NID_IO, pSectionEnum != null, GetLastResult(), GetLastResult(), "[%s] Section list is empty.",
1043                            GetErrorMessage(GetLastResult()));
1044
1045         while (pSectionEnum->MoveNext() == E_SUCCESS)
1046         {
1047                 // get section name
1048                 pRegSection = dynamic_cast <_RegistrySection*>(pSectionEnum->GetCurrent());
1049                 SysTryReturn(NID_IO, pRegSection != null, GetLastResult(), GetLastResult(), "[%s] Propagated.",
1050                                    GetErrorMessage(GetLastResult()));
1051
1052                 // write section name to file
1053                 r = inputBuffer.Append(String(L"#" + pRegSection->__sectionName + String(L'\n')));
1054                 SysTryReturn(NID_IO, !IsFailed(r), r, r, "[%s] Propagated.", GetErrorMessage(r));
1055
1056                 // read the entries for this section
1057                 unique_ptr<IEnumerator> pEntryEnum(pRegSection->__entryList.GetEnumeratorN());
1058                 SysTryReturn(NID_IO, pSectionEnum != null, GetLastResult(), GetLastResult(), "[%s] Entry list is empty.",
1059                                    GetErrorMessage(GetLastResult()));
1060
1061                 while (pEntryEnum->MoveNext() == E_SUCCESS)
1062                 {
1063                         pRegEntry = dynamic_cast <_RegistryEntry*>(pEntryEnum->GetCurrent());
1064                         SysTryReturn(NID_IO, pRegEntry != null, GetLastResult(), GetLastResult(), "[%s] Propagated.",
1065                                            GetErrorMessage(GetLastResult()));
1066
1067                         // write entry name to file
1068                         r = inputBuffer.Append(pRegEntry->entryName + String(L"=" + pRegEntry->entryValue + String(L'\n')));
1069                         SysTryReturn(NID_IO, !IsFailed(r), r, r, "[%s] Propagated.", GetErrorMessage(r));
1070                 }
1071
1072         }
1073
1074         _pBuffer = (byte*)_StringConverter::CopyToCharArrayN(inputBuffer);
1075         SysTryReturn(NID_IO, _pBuffer != null, GetLastResult(), GetLastResult(), "[%s] Propagated.",
1076                                                    GetErrorMessage(GetLastResult()));
1077
1078         _length = strlen((char*)_pBuffer);
1079
1080         return r;
1081 }
1082
1083 int
1084 _RegistryCore::GetSectionIndex(const String& sectionName)
1085 {
1086         bool sectionFound = false;
1087         _RegistrySection* pRegSection = null;
1088         int index = 0;
1089
1090         SysAssertf(_constructed == true, "Not yet constructed. Construct() should be called before use.\n");
1091         SysTryReturn(NID_IO, sectionName.GetLength() > 0, -1, E_INVALID_ARG,
1092                            "[E_INVALID_ARG] sectionName.GetLength() <= 0");
1093
1094         SysTryReturn(NID_IO, _sectionList.GetCount() > 0, -1, E_SECTION_NOT_FOUND, "[E_SECTION_NOT_FOUND] Section not found.");
1095
1096         // Get section information
1097         unique_ptr<IEnumerator> pEnum(_sectionList.GetEnumeratorN());
1098         SysTryReturn(NID_IO, pEnum != null, GetLastResult(), GetLastResult(), "[%s] Section list is empty.",
1099                            GetErrorMessage(GetLastResult()));
1100
1101         while (pEnum->MoveNext() == E_SUCCESS)
1102         {
1103                 pRegSection = dynamic_cast <_RegistrySection*>(pEnum->GetCurrent());
1104                 SysTryReturn(NID_IO, pRegSection != null, -1, GetLastResult(), "[%s] Propagated.",
1105                                    GetErrorMessage(GetLastResult()));
1106
1107                 if (pRegSection->__sectionName == sectionName)
1108                 {
1109                         sectionFound = true;
1110                         break;
1111                 }
1112                 index++;
1113         }
1114
1115         if (sectionFound == false)
1116         {
1117                 return E_SECTION_NOT_FOUND;
1118         }
1119
1120         SetLastResult(E_SUCCESS);
1121         return index;
1122 }
1123
1124 void
1125 _RegistryCore::Removekey(const String& sectionName, const String& keyName)
1126 {
1127         result r = E_SUCCESS;
1128         int sectionIndex = -1;
1129         int entryIndex = -1;
1130
1131         sectionIndex = GetSectionIndex(sectionName);
1132         r = GetLastResult();
1133         SysTryReturnVoidResult(NID_IO, !IsFailed(r), r, "[%s] Propagated.", GetErrorMessage(r));
1134
1135         entryIndex = GetEntryIndex(sectionIndex, keyName);
1136         r = GetLastResult();
1137         SysTryReturnVoidResult(NID_IO, !IsFailed(r), r, "[%s] Propagated.", GetErrorMessage(r));
1138
1139         RemoveEntry(sectionIndex, entryIndex);
1140         r = GetLastResult();
1141         SysTryReturnVoidResult(NID_IO, !IsFailed(r), r, "[%s] Propagated.", GetErrorMessage(r));
1142
1143         SetLastResult(E_SUCCESS);
1144         return;
1145 }
1146
1147 int
1148 _RegistryCore::GetAllSectionCount(void)
1149 {
1150         SysAssertf(_constructed == true, "Not yet constructed. Construct() should be called before use.\n");
1151
1152         SetLastResult(E_SUCCESS);
1153         return _sectionList.GetCount();
1154 }
1155
1156 int
1157 _RegistryCore::GetAllEntryCount(int sectionIndex)
1158 {
1159         _RegistrySection* pRegSection = null;
1160         int listSize = 0;
1161
1162         SysAssertf(_constructed == true, "Not yet constructed. Construct() should be called before use.\n");
1163         SysTryReturn(NID_IO, sectionIndex >= 0, 0, E_INVALID_ARG, "[E_INVALID_ARG] sectionIndex < 0.");
1164         listSize = _sectionList.GetCount();
1165         SysTryReturn(NID_IO, listSize > 0, 0, E_SECTION_NOT_FOUND, "[E_INVALID_ARG] section listSize <= 0.");
1166         SysTryReturn(NID_IO, sectionIndex >= listSize, 0, E_SECTION_NOT_FOUND,
1167                            "[E_INVALID_ARG] sectionIndex > listSize.");
1168
1169         pRegSection = (_RegistrySection*) GetSectionByIndex(sectionIndex);
1170         SysTryReturn(NID_IO, pRegSection != null, 0, E_SECTION_NOT_FOUND,
1171                            "[E_SECTION_NOT_FOUND] section was not found.");
1172
1173         SetLastResult(E_SUCCESS);
1174         return pRegSection->__entryList.GetCount();
1175 }
1176
1177 void
1178 _RegistryCore::RemoveEntry(int sectionIndex, int entryIndex)
1179 {
1180         result r = E_SUCCESS;
1181         int listSize = 0;
1182         int entryListSize = 0;
1183         _RegistrySection* pRegSection = null;
1184
1185         SysAssertf(_constructed == true, "Not yet constructed. Construct() should be called before use.\n");
1186         SysTryReturnVoidResult(NID_IO, sectionIndex >= 0, E_INVALID_ARG, "[E_INVALID_ARG] sectionIndex < 0.");
1187         SysTryReturnVoidResult(NID_IO, entryIndex >= 0, E_INVALID_ARG, "[E_INVALID_ARG] entryIndex < 0.");
1188
1189         listSize = _sectionList.GetCount();
1190         SysTryReturnVoidResult(NID_IO, listSize > 0, E_SECTION_NOT_FOUND,
1191                            "[E_SECTION_NOT_FOUND] section listSize <= 0.");
1192         SysTryReturnVoidResult(NID_IO, sectionIndex < listSize, E_SECTION_NOT_FOUND,
1193                            "[E_SECTION_NOT_FOUND] sectionIndex >= listSize.");
1194
1195         pRegSection = (_RegistrySection*) GetSectionByIndex(sectionIndex);
1196         SysTryReturnVoidResult(NID_IO, pRegSection != null, E_SECTION_NOT_FOUND,
1197                            "[E_SECTION_NOT_FOUND] Section at index (%d) not found.", sectionIndex);
1198
1199         r = GetLastResult();
1200         SysTryReturnVoidResult(NID_IO, !IsFailed(r), r,"[%s] Propagated.", GetErrorMessage(r));
1201
1202         entryListSize = pRegSection->__entryList.GetCount();
1203         SysTryReturnVoidResult(NID_IO, (entryListSize > 0 || entryIndex < entryListSize), E_KEY_NOT_FOUND,
1204                            "[E_KEY_NOT_FOUND] entryListSize is 0 or entryIndex >= entryListSize.");
1205
1206         r = pRegSection->__entryList.RemoveAt(entryIndex, true);
1207         SysTryReturnVoidResult(NID_IO, !IsFailed(r), r, "[%s] Propagated.", GetErrorMessage(r));
1208
1209         SetLastResult(E_SUCCESS);
1210 }
1211
1212 void
1213 _RegistryCore::ModifyEntryValue(int sectionIndex, int entryIndex, _RegValueType type, const void* pValue, int size)
1214 {
1215         SetLastResult(E_UNSUPPORTED_OPERATION);
1216 }
1217
1218 int
1219 _RegistryCore::GetEntryIndex(int sectionIndex, const String& entryName)
1220 {
1221         _RegistrySection* pRegSection = null;
1222         _RegistryEntry* pRegEntry = null;
1223         int listSize = 0;
1224         bool entryFound = false;
1225         int entryIndex = -1;
1226
1227         SysAssertf(_constructed == true, "Not yet constructed. Construct() should be called before use.\n");
1228         SysTryReturn(NID_IO, sectionIndex >= 0, -1, E_INVALID_ARG, "[E_INVALID_ARG]sectionIndex < 0.");
1229         SysTryReturn(NID_IO, entryName.GetLength() > 0, -1, E_INVALID_ARG, "[E_INVALID_ARG]entryName length < 0.");
1230
1231         listSize = _sectionList.GetCount();
1232         SysTryReturn(NID_IO, listSize > 0, -1, E_SECTION_NOT_FOUND,
1233                            "[E_SECTION_NOT_FOUND]Registry section list is empty.");
1234         SysTryReturn(NID_IO, sectionIndex < listSize, -1, E_SECTION_NOT_FOUND,
1235                            "[E_SECTION_NOT_FOUND]sectionIndex >= listSize.");
1236
1237         pRegSection = (_RegistrySection*) GetSectionByIndex(sectionIndex);
1238         SysTryReturn(NID_IO, pRegSection != null, -1, E_SECTION_NOT_FOUND,
1239                            "[E_SECTION_NOT_FOUND] Section at index (%d) not found.", sectionIndex);
1240
1241         // read the entries for this section
1242         unique_ptr<IEnumerator> pEntryEnum(pRegSection->__entryList.GetEnumeratorN());
1243         SysTryReturn(NID_IO, pEntryEnum != null, -1, GetLastResult(), "[%s] Entry list is empty.",
1244                            GetErrorMessage(GetLastResult()));
1245
1246         entryIndex = 0;
1247         while (pEntryEnum->MoveNext() == E_SUCCESS)
1248         {
1249                 pRegEntry = dynamic_cast <_RegistryEntry*>(pEntryEnum->GetCurrent());
1250                 SysTryReturn(NID_IO, pRegEntry != null, -1, GetLastResult(), "[%s] Propagated.",
1251                                    GetErrorMessage(GetLastResult()));
1252
1253                 if (entryName == pRegEntry->entryName)
1254                 {
1255                         entryFound = true;
1256                         break;
1257                 }
1258                 entryIndex++;
1259         }
1260
1261         SysTryReturn(NID_IO, entryFound != false, -1, E_KEY_NOT_FOUND, "[E_KEY_NOT_FOUND] entry was not found.");
1262
1263         SetLastResult(E_SUCCESS);
1264         return entryIndex;
1265 }
1266
1267 String
1268 _RegistryCore::GetEntryName(int sectionIndex, int entryIndex)
1269 {
1270         _RegistrySection* pRegSection = null;
1271         _RegistryEntry* pRegEntry = null;
1272         int listSize = 0;
1273         int tmpIndex = -1;
1274         String empty;
1275
1276         SysAssertf(_constructed == true, "Not yet constructed. Construct() should be called before use.\n");
1277         SysTryReturn(NID_IO, sectionIndex >= 0, empty, E_INVALID_ARG, "[E_INVALID_ARG]sectionIndex < 0.");
1278         SysTryReturn(NID_IO, entryIndex >= 0, empty, E_INVALID_ARG, "[E_INVALID_ARG]entryIndex < 0.");
1279
1280         listSize = _sectionList.GetCount();
1281         SysTryReturn(NID_IO, listSize > 0, empty, E_SECTION_NOT_FOUND,
1282                            "[E_SECTION_NOT_FOUND]Registry section list is empty.");
1283         SysTryReturn(NID_IO, sectionIndex < listSize, empty, E_SECTION_NOT_FOUND,
1284                            "[E_SECTION_NOT_FOUND]sectionIndex >= listSize.");
1285
1286         pRegSection = (_RegistrySection*) GetSectionByIndex(sectionIndex);
1287         SysTryReturn(NID_IO, pRegSection != null, empty, E_SECTION_NOT_FOUND,
1288                            "[E_SECTION_NOT_FOUND] Section at index (%d) not found.", sectionIndex);
1289
1290         // read the entries for this section
1291         unique_ptr<IEnumerator> pEntryEnum(pRegSection->__entryList.GetEnumeratorN());
1292         SysTryReturn(NID_IO, pEntryEnum != null, empty, GetLastResult(), "[%s] Entry list is empty.",
1293                         GetErrorMessage(GetLastResult()));
1294
1295         tmpIndex = entryIndex;
1296         while (pEntryEnum->MoveNext() == E_SUCCESS)
1297         {
1298                 if (tmpIndex == 0)
1299                 {
1300                         pRegEntry = dynamic_cast <_RegistryEntry*>(pEntryEnum->GetCurrent());
1301                         SysTryReturn(NID_IO, pRegEntry != null, empty, GetLastResult(), "[%s] Propagated.",
1302                                            GetErrorMessage(GetLastResult()));
1303
1304                         break;
1305                 }
1306                 tmpIndex--;
1307         }
1308
1309         SysTryReturn(NID_IO, pRegEntry != null, empty, E_KEY_NOT_FOUND, "[E_KEY_NOT_FOUND] entry was not found.");
1310
1311         SetLastResult(E_SUCCESS);
1312         return pRegEntry->entryName;
1313 }
1314
1315 void
1316 _RegistryCore::GetEntryValue(int sectionIndex, int entryIndex, _RegValueType type, void* pValue, int* pSize)
1317 {
1318         _RegistrySection* pRegSection = null;
1319         _RegistryEntry* pRegEntry = null;
1320         result r = E_SUCCESS;
1321         int listSize = 0;
1322         int tmpEntryIndex = -1;
1323         int entryListSize = 0;
1324         String strValueEncoded;
1325
1326         SysAssertf(_constructed == true, "Not yet constructed. Construct() should be called before use.\n");
1327         SysTryReturnVoidResult(NID_IO, sectionIndex >= 0, E_INVALID_ARG, "[E_INVALID_ARG]sectionIndex < 0.");
1328         SysTryReturnVoidResult(NID_IO, type >= 0 && type <= REG_VALUE_TYPE_MAX, E_INVALID_ARG,
1329                            "[E_INVALID_ARG] invalid registry type.");
1330         SysTryReturnVoidResult(NID_IO, pValue != null, E_INVALID_ARG, "[E_INVALID_ARG]pValue is null.");
1331         SysTryReturnVoidResult(NID_IO, pSize != null, E_INVALID_ARG, "[E_INVALID_ARG]pSize is null.");
1332         SysTryReturnVoidResult(NID_IO, *pSize > 0, E_INVALID_ARG, "[E_INVALID_ARG] *pSize < 0.");
1333
1334         listSize = _sectionList.GetCount();
1335         SysTryReturnVoidResult(NID_IO, listSize > 0, E_SECTION_NOT_FOUND,
1336                            "[E_SECTION_NOT_FOUND]Registry section list is empty.");
1337         SysTryReturnVoidResult(NID_IO, sectionIndex < listSize, E_SECTION_NOT_FOUND,
1338                            "[E_SECTION_NOT_FOUND]sectionIndex >= listSize.");
1339
1340         pRegSection = (_RegistrySection*) GetSectionByIndex(sectionIndex);
1341         SysTryReturnVoidResult(NID_IO, pRegSection != null, E_SECTION_NOT_FOUND,
1342                            "[E_SECTION_NOT_FOUND] section at index (%d) is not available.", sectionIndex);
1343
1344         entryListSize = pRegSection->__entryList.GetCount();
1345         SysTryReturnVoidResult(NID_IO, entryListSize > 0, E_KEY_NOT_FOUND, "[E_KEY_NOT_FOUND]Entry list is empty.");
1346         SysTryReturnVoidResult(NID_IO, entryIndex < entryListSize, E_KEY_NOT_FOUND, "[E_KEY_NOT_FOUND]Entry not found.");
1347
1348         // read the entries for this section
1349         unique_ptr< IEnumerator > pEntryEnum(pRegSection->__entryList.GetEnumeratorN());
1350         SysTryReturnVoidResult(NID_IO, pEntryEnum != null, E_OBJ_NOT_FOUND, "[E_OBJ_NOT_FOUND]Entry list is empty.");
1351
1352         tmpEntryIndex = entryIndex;
1353         while (pEntryEnum->MoveNext() == E_SUCCESS)
1354         {
1355                 if (entryIndex == 0)
1356                 {
1357                         pRegEntry = dynamic_cast <_RegistryEntry*>(pEntryEnum->GetCurrent());
1358                         SysTryReturnVoidResult(NID_IO, pRegEntry != null, GetLastResult(), "[%s] Propagated.",
1359                                            GetErrorMessage(GetLastResult()));
1360
1361                         break;
1362                 }
1363                 entryIndex--;
1364
1365         }
1366
1367         SysTryReturnVoidResult(NID_IO, pRegEntry != null, E_KEY_NOT_FOUND,
1368                            "[E_KEY_NOT_FOUND] Entry was not found.");
1369
1370         strValueEncoded = pRegEntry->entryValue;
1371
1372         DecodeData(strValueEncoded, type, pValue, pSize);
1373         r = GetLastResult();
1374         SysTryReturnVoidResult(NID_IO, !IsFailed(r), E_PARSING_FAILED, "[%s] Propagated.", GetErrorMessage(r));
1375
1376         SetLastResult(E_SUCCESS);
1377         return;
1378 }
1379
1380 String
1381 _RegistryCore::GetSectionName(int sectionIndex)
1382 {
1383         _RegistrySection* pRegSection = null;
1384         result r = E_SUCCESS;
1385         int listSize = 0;
1386         String sectionName("");
1387
1388         SysAssertf(_constructed == true, "Not yet constructed. Construct() should be called before use.\n");
1389         SysTryReturn(NID_IO, sectionIndex >= 0, sectionName, E_INVALID_ARG, "[E_INVALID_ARG]sectionIndex < 0.");
1390
1391         listSize = _sectionList.GetCount();
1392         SysTryReturn(NID_IO, listSize > 0, sectionName, E_SECTION_NOT_FOUND,
1393                            "[E_SECTION_NOT_FOUND]Registry section list is empty.");
1394         SysTryReturn(NID_IO, sectionIndex < listSize, sectionName, E_SECTION_NOT_FOUND,
1395                            "[E_SECTION_NOT_FOUND]sectionIndex >= listSize.");
1396
1397         pRegSection = (_RegistrySection*) GetSectionByIndex(sectionIndex);
1398         SysTryReturn(NID_IO, pRegSection != null, sectionName, E_SECTION_NOT_FOUND,
1399                            "[E_SECTION_NOT_FOUND] sectionIndex is not available.");
1400
1401         r = GetLastResult();
1402         SysTryReturn(NID_IO, !IsFailed(r), sectionName, r, "[%s] Propagated.", GetErrorMessage(r));
1403
1404         SetLastResult(E_SUCCESS);
1405         return pRegSection->__sectionName;
1406 }
1407
1408 void*
1409 _RegistryCore::GetSectionByIndex(int sectionIndex)
1410 {
1411         _RegistrySection* pRegSection = null;
1412         int index = sectionIndex;
1413
1414         // Get section information
1415         unique_ptr<IEnumerator> pEnum(_sectionList.GetEnumeratorN());
1416         SysTryReturn(NID_IO, pEnum != null, null, GetLastResult(),
1417                            "[%s] section list is empty.", GetErrorMessage(GetLastResult()));
1418
1419         while (pEnum->MoveNext() == E_SUCCESS)
1420         {
1421                 if (index == 0)
1422                 {
1423                         pRegSection = dynamic_cast< _RegistrySection* >(pEnum->GetCurrent());
1424                         SysTryReturn(NID_IO, pRegSection != null, null, GetLastResult(), "[%s] Propagated.",
1425                                            GetErrorMessage(GetLastResult()));
1426                         break;
1427                 }
1428                 index--;
1429
1430         }
1431
1432         SysTryReturn(NID_IO, pRegSection != null, null, E_SECTION_NOT_FOUND,
1433                            "[E_SECTION_NOT_FOUND] Section was not found.");
1434
1435         SetLastResult(E_SUCCESS);
1436
1437         return pRegSection;
1438 }
1439
1440 void
1441 _RegistryCore::DecodeData(const String& strValueEncoded, _RegValueType type, void* pValue, int* pSize)
1442 {
1443         SysAssert(strValueEncoded.GetLength() > 0);
1444         SysAssert(pValue);
1445         SysAssert(pSize);
1446         SysAssert(pSize && *pSize > 0);
1447
1448         SysTryReturnVoidResult(NID_IO, pValue != null, E_INVALID_ARG, "[E_INVALID_ARG] Invalid argument.");
1449         SysTryReturnVoidResult(NID_IO, pSize != null, E_INVALID_ARG, "[E_INVALID_ARG] Invalid argument.");
1450
1451         switch (type)
1452         {
1453         case REG_VALUE_TYPE_INT: // (-2147483647 - 1) ~ 2147483647
1454         {
1455                 int retIntVal = 0;
1456                 result r = E_SUCCESS;
1457
1458                 if (*pSize != sizeof(int))
1459                 {
1460                         SetLastResult(E_INVALID_ARG);
1461                         return;
1462                 }
1463
1464                 r = Integer::Parse(strValueEncoded, retIntVal);
1465                 SysTryReturnVoidResult(NID_IO, !IsFailed(r), E_PARSING_FAILED, "[%s] Propagated.", GetErrorMessage(r));
1466
1467                 *(int*) pValue = retIntVal;
1468                 break;
1469         }
1470
1471         case REG_VALUE_TYPE_REAL:  // Holds signed IEEE 64-bit (8-byte) double-precision floating-point numbers
1472                                         // ranging in value from -1.79769313486231570E+308 through -4.94065645841246544E-324
1473                                         // for negative values and from 4.94065645841246544E-324 through 1.79769313486231570E+308
1474                                         // for positive values.
1475         {
1476                 double retDoubleVal = 0;
1477
1478                 if (*pSize != sizeof(double))
1479                 {
1480                         SetLastResult(E_INVALID_ARG);
1481                         return;
1482                 }
1483
1484                 retDoubleVal = _LocalizedNumParser::ToDouble(strValueEncoded, "C");
1485                 result r = GetLastResult();
1486                 SysTryReturnVoidResult(NID_IO, r == E_SUCCESS, E_PARSING_FAILED, "[%s] Propagated.", GetErrorMessage(r));
1487
1488                 *(double*) pValue = retDoubleVal;
1489
1490                 break;
1491         }
1492
1493         case REG_VALUE_TYPE_STRING:
1494         {
1495 //              if(*pSize != sizeof(String))
1496 //              {
1497 //                      SetLastResult(E_INVALID_ARG);
1498 //                      return;
1499 //              }
1500                 *(String*) pValue = strValueEncoded;
1501                 break;
1502         }
1503
1504         case REG_VALUE_TYPE_BINARY:
1505         {
1506                 SetLastResult(E_PARSING_FAILED);
1507                 return;
1508         }
1509
1510         case REG_VALUE_TYPE_UUID:
1511         {
1512                 UuId retUuIdVal;
1513                 result r = E_SUCCESS;
1514
1515                 r = UuId::Parse(strValueEncoded, retUuIdVal);
1516                 SysTryReturnVoidResult(NID_IO, !IsFailed(r), E_PARSING_FAILED, "[%s] Propagated.", GetErrorMessage(r));
1517
1518                 *(UuId*) pValue = retUuIdVal;
1519                 break;
1520         }
1521
1522         case REG_VALUE_TYPE_UUIDSET:
1523         {
1524                 SetLastResult(E_PARSING_FAILED);
1525                 return;
1526         }
1527
1528         default:
1529                 SysAssert(0); // should not happen!
1530                 return;
1531         }
1532
1533         SetLastResult(E_SUCCESS);
1534         return;
1535 }
1536
1537 result
1538 _RegistryCore::AddSection(LinkedList& sectionList, const String& sectionName)
1539 {
1540         result r = E_SUCCESS;
1541         bool sectionFound = false;
1542
1543         // Get section information
1544         unique_ptr<IEnumerator> pEnum(sectionList.GetEnumeratorN());
1545         if (pEnum == null)
1546         {
1547                 return GetLastResult();
1548         }
1549
1550         while (pEnum->MoveNext() == E_SUCCESS)
1551         {
1552                 _RegistrySection* pRegSection = dynamic_cast <_RegistrySection*>(pEnum->GetCurrent());
1553                 SysTryReturn(NID_IO, pRegSection != null, GetLastResult(), GetLastResult(), "[%s] Propagated.",
1554                                    GetErrorMessage(GetLastResult()));
1555
1556                 if (pRegSection->__sectionName == sectionName)
1557                 {
1558                         sectionFound = true;
1559                         break;
1560                 }
1561         }
1562
1563         if (sectionFound == true)
1564         {
1565                 return E_SECTION_ALREADY_EXIST;
1566         }
1567
1568         // create a key with section name
1569         unique_ptr<_RegistrySection> pRegSection(new (std::nothrow) _RegistrySection());
1570
1571         SysTryReturnResult(NID_IO, pRegSection != null, E_OUT_OF_MEMORY,
1572                            "The memory is insufficient.");
1573
1574         pRegSection->__sectionName = sectionName;
1575
1576         // add new section and section-entry map
1577         r = sectionList.Add(*(pRegSection.release()));
1578         SysTryReturn(NID_IO, !IsFailed(r), r, r, "[%s] Propagated.", GetErrorMessage(r));
1579
1580         return E_SUCCESS;
1581 }
1582
1583 result
1584 _RegistryCore::AddValue(LinkedList& sectionList, const String& sectionName, const String& entryName, const String& valStr)
1585 {
1586         result r = E_SUCCESS;
1587         bool sectionFound = false;
1588         bool entryFound = false;
1589         _RegistrySection* pRegSection = null;
1590
1591         // Get section information
1592         unique_ptr<IEnumerator> pEnum(sectionList.GetEnumeratorN());
1593         if (pEnum == null)
1594         {
1595                 return GetLastResult();
1596         }
1597
1598         while (pEnum->MoveNext() == E_SUCCESS)
1599         {
1600                 pRegSection = dynamic_cast <_RegistrySection*>(pEnum->GetCurrent());
1601                 SysTryReturn(NID_IO, pRegSection != null, GetLastResult(), GetLastResult(), "[%s] Propagated.",
1602                                    GetErrorMessage(GetLastResult()));
1603
1604                 if (pRegSection->__sectionName == sectionName)
1605                 {
1606                         sectionFound = true;
1607                         break;
1608                 }
1609         }
1610
1611         if (sectionFound == false)
1612         {
1613                 return E_SECTION_NOT_FOUND;
1614         }
1615
1616         pEnum.reset(pRegSection->__entryList.GetEnumeratorN());
1617         if (pEnum == null)
1618         {
1619                 return GetLastResult();
1620         }
1621
1622         while (pEnum->MoveNext() == E_SUCCESS)
1623         {
1624                 _RegistryEntry* pRegEntry = dynamic_cast <_RegistryEntry*>(pEnum->GetCurrent());
1625                 SysTryReturn(NID_IO, pRegEntry != null, GetLastResult(), GetLastResult(), "[%s] Propagated.",
1626                                    GetErrorMessage(GetLastResult()));
1627
1628                 if (pRegEntry->entryName == entryName)
1629                 {
1630                         entryFound = true;
1631                         break;
1632                 }
1633         }
1634
1635         if (entryFound == true)
1636         {
1637                 return E_KEY_ALREADY_EXIST;
1638         }
1639
1640         unique_ptr<_RegistryEntry> pRegEntry(new (std::nothrow) _RegistryEntry());
1641         SysTryReturnResult(NID_IO, pRegEntry != null, E_OUT_OF_MEMORY,
1642                         "The memory is insufficient.");
1643
1644         pRegEntry->entryName = entryName;
1645         pRegEntry->entryValue = valStr;
1646
1647         r = pRegSection->__entryList.Add(*(pRegEntry.release()));
1648         SysTryReturn(NID_IO, !IsFailed(r), r, r, "[%s] Propagated.", GetErrorMessage(r));
1649
1650         return E_SUCCESS;
1651 }
1652
1653 bool
1654 _RegistryCore::CheckSectionName(char* pSectionName)
1655 {
1656         char* pTemp = null;
1657         int length = 0;
1658         char* pFrom = null;
1659         char* pTo = null;
1660
1661         if (pSectionName == null)
1662         {
1663                 return false;
1664         }
1665
1666         pFrom = pSectionName;
1667         length = strlen(pSectionName);
1668         pTo = pSectionName + (length - 1);
1669
1670         if (!pFrom || !pTo || pFrom > pTo)
1671         {
1672                 return false;
1673         }
1674
1675         for (pTemp = pFrom; pTemp <= pTo; pTemp++)
1676         {
1677                 if (*pTemp == '\0' || *pTemp == '\n' || *pTemp == '#' || *pTemp == '=')
1678                 {
1679                         return false;
1680                 }
1681         }
1682
1683         return true;
1684 }
1685
1686 bool
1687 _RegistryCore::CheckEntryName(char* pEntryName)
1688 {
1689         char* pTemp = null;
1690         int length = 0;
1691         char* pFrom = null;
1692         char* pTo = null;
1693
1694         if (pEntryName == null)
1695         {
1696                 return false;
1697         }
1698
1699         pFrom = pEntryName;
1700         length = strlen(pEntryName);
1701         pTo = pEntryName + (length - 1);
1702
1703         if (!pFrom || !pTo || pFrom > pTo)
1704         {
1705                 return false;
1706         }
1707
1708         for (pTemp = pFrom; pTemp <= pTo; pTemp++)
1709         {
1710                 if (*pTemp == '\0' || *pTemp == '\n' || *pTemp == '#' || *pTemp == '=')
1711                 {
1712                         return false;
1713                 }
1714         }
1715
1716         return true;
1717 }
1718
1719 bool
1720 _RegistryCore::CheckEntryValue(char* pEntryVal)
1721 {
1722         char* pTemp = null;
1723         int length = 0;
1724         char* pFrom = null;
1725         char* pTo = null;
1726
1727         if (pEntryVal == null)
1728         {
1729                 return false;
1730         }
1731
1732         pFrom = pEntryVal;
1733         length = strlen(pEntryVal);
1734         pTo = pEntryVal + (length - 1);
1735
1736         if (!pFrom || !pTo || pFrom > pTo)
1737         {
1738                 return false;
1739         }
1740
1741         for (pTemp = pFrom; pTemp <= pTo; pTemp++)
1742         {
1743                 if (*pTemp == '\0' || *pTemp == '\n')
1744                 {
1745                         return false;
1746                 }
1747         }
1748
1749         return true;
1750 }
1751
1752 result
1753 _RegistryCore::ConvertToSecureRegistry(const String& plainRegPath, const String& secureRegPath, const ByteBuffer* pKey)
1754 {
1755         result  r = E_SUCCESS;
1756
1757         if (File::IsFileExist(secureRegPath))
1758         {
1759                 r = GetLastResult();
1760                 if (r == E_SUCCESS)
1761                 {
1762                         r = E_FILE_ALREADY_EXIST;
1763                         SysLog(NID_IO, "[E_FILE_ALREADY_EXIST] The secure registry already exists.");
1764                 }
1765                 else
1766                 {
1767                         SysLog(NID_IO, "[%s]Propagated.", GetErrorMessage(r));
1768                 }
1769                 return r;
1770         }
1771
1772         unique_ptr<_NormalRegistry> pNormalReg(new (std::nothrow) _NormalRegistry());
1773         SysTryReturnResult(NID_IO, pNormalReg != null, E_OUT_OF_MEMORY, "The memory is insufficient.");
1774
1775         r = pNormalReg->Load(plainRegPath, "r");
1776         SysTryReturn(NID_IO, !IsFailed(r), r, r, "[%s] Propagated.", GetErrorMessage(r));
1777
1778         unique_ptr<_SecureRegistry> pSecureReg(new (std::nothrow) _SecureRegistry());
1779         SysTryReturnResult(NID_IO, pSecureReg != null, E_OUT_OF_MEMORY, "The memory is insufficient.");
1780
1781         r = pSecureReg->Construct(secureRegPath, "w+", pKey);
1782         SysTryReturn(NID_IO, !IsFailed(r), r, r, "[%s] Propagated.", GetErrorMessage(r));
1783
1784         if (pNormalReg->_pBuffer != null && pNormalReg->_length > 0)
1785         {
1786                 pSecureReg->_pBuffer = pNormalReg->_pBuffer;
1787                 pSecureReg->_length = pNormalReg->_length;
1788
1789                 pNormalReg->_pBuffer = null;
1790                 pNormalReg->_length = 0;
1791
1792                 r = pSecureReg->Parse();
1793                 SysTryReturn(NID_IO, !IsFailed(r), r, r, "[%s] Propagated.", GetErrorMessage(r));
1794         }
1795
1796         r = pSecureReg->Flush();
1797         SysTryReturn(NID_IO, !IsFailed(r), r, r, "[%s] Propagated.", GetErrorMessage(r));
1798
1799         return E_SUCCESS;
1800 }
1801
1802 FileLock*
1803 _RegistryCore::LockN(FileLockType lockType)
1804 {
1805         SysAssertf(_constructed == true && __pFileImpl != null, "Not yet constructed. Construct() should be called before use.\n");
1806         return __pFileImpl->LockN(lockType);
1807 }
1808
1809 FileLock*
1810 _RegistryCore::TryToLockN(FileLockType lockType)
1811 {
1812         SysAssertf(_constructed == true && __pFileImpl != null, "Not yet constructed. Construct() should be called before use.\n");
1813         return __pFileImpl->TryToLockN(lockType);
1814 }
1815
1816 }} // Tizen::Io
1817