|
1 // Copyright (c) 2002-2009 Nokia Corporation and/or its subsidiary(-ies). |
|
2 // All rights reserved. |
|
3 // This component and the accompanying materials are made available |
|
4 // under the terms of "Eclipse Public License v1.0" |
|
5 // which accompanies this distribution, and is available |
|
6 // at the URL "http://www.eclipse.org/legal/epl-v10.html". |
|
7 // |
|
8 // Initial Contributors: |
|
9 // Nokia Corporation - initial contribution. |
|
10 // |
|
11 // Contributors: |
|
12 // |
|
13 // Description: |
|
14 // $Header$ |
|
15 // CCommandDO.cpp |
|
16 // This module implements the CDmpfile (dump output file) class. |
|
17 // rev: mjdavey, symbian@mjdss.com, July 2002 |
|
18 // for: Typhoon (7.0s) & JetStream (8.0) |
|
19 // Include Files |
|
20 // |
|
21 // |
|
22 |
|
23 #include "CDumpFile.h" // This module |
|
24 |
|
25 //----------------------------------------------------------------------------- |
|
26 |
|
27 CDmpfile* CDmpfile::New( ) |
|
28 //Return Values: Pointer to a new Dmpfile class object, NULL if fails. |
|
29 { |
|
30 CDmpfile* self = NULL; |
|
31 TRAPD(error,self=NewL()); |
|
32 return ( error == KErrNone ? self : NULL ); |
|
33 } |
|
34 |
|
35 //----------------------------------------------------------------------------- |
|
36 |
|
37 CDmpfile* CDmpfile::NewL( ) |
|
38 { |
|
39 CDmpfile* self = NewLC(); |
|
40 CleanupStack::Pop(); |
|
41 return self; |
|
42 } |
|
43 |
|
44 //----------------------------------------------------------------------------- |
|
45 |
|
46 CDmpfile* CDmpfile::NewLC( ) |
|
47 { |
|
48 CDmpfile* self = new (ELeave) CDmpfile(); |
|
49 CleanupStack::PushL(self); |
|
50 self->ConstructL(); |
|
51 return self; |
|
52 } |
|
53 |
|
54 //----------------------------------------------------------------------------- |
|
55 |
|
56 CDmpfile::~CDmpfile( ) |
|
57 { |
|
58 Close(); |
|
59 } |
|
60 |
|
61 //----------------------------------------------------------------------------- |
|
62 |
|
63 void CDmpfile::ConstructL( ) |
|
64 { |
|
65 iIsOpen = EFalse; |
|
66 iDoFlush = EFalse; |
|
67 iError = KErrNone; |
|
68 iFileName.Zero(); |
|
69 } |
|
70 |
|
71 //----------------------------------------------------------------------------- |
|
72 |
|
73 TInt CDmpfile::Open( const TDesC& aName ) |
|
74 // Open existing file without replacing it. If it does not already exist, |
|
75 // create it. |
|
76 { |
|
77 Close(); |
|
78 iError = iParse.Set( aName, NULL, NULL ); |
|
79 if ( iError == KErrNone ) |
|
80 { |
|
81 iFileName.Copy( iParse.FullName() ); |
|
82 iError = DoOpen(); |
|
83 } |
|
84 |
|
85 return iError; |
|
86 } |
|
87 |
|
88 //----------------------------------------------------------------------------- |
|
89 |
|
90 TInt CDmpfile::Open( const TDesC& aPath, const TDesC& aName ) |
|
91 { |
|
92 Close(); |
|
93 iError = iParse.Set( aName, NULL, &aPath ); |
|
94 if ( iError == KErrNone ) |
|
95 { |
|
96 iFileName.Copy( iParse.FullName() ); |
|
97 iError = DoOpen(); |
|
98 } |
|
99 return iError; |
|
100 } |
|
101 |
|
102 //----------------------------------------------------------------------------- |
|
103 |
|
104 TInt CDmpfile::Open() |
|
105 { |
|
106 Close(); |
|
107 return ( iError = DoOpen() ); |
|
108 } |
|
109 |
|
110 //----------------------------------------------------------------------------- |
|
111 |
|
112 TInt CDmpfile::Replace( const TDesC& aName ) |
|
113 // Open existing file replacing its contents. If it does not already exist, |
|
114 // create it. |
|
115 { |
|
116 Close(); |
|
117 iError = iParse.Set( aName, NULL, NULL ); |
|
118 if (iError == KErrNone ) |
|
119 { |
|
120 iFileName.Copy( iParse.FullName() ); |
|
121 iError = DoReplace(); |
|
122 } |
|
123 return iError; |
|
124 } |
|
125 |
|
126 //----------------------------------------------------------------------------- |
|
127 |
|
128 TInt CDmpfile::Replace( const TDesC& aPath, const TDesC& aName ) |
|
129 { |
|
130 Close(); |
|
131 iError = iParse.Set( aName, NULL, &aPath ); |
|
132 if ( iError == KErrNone ) |
|
133 { |
|
134 iFileName.Copy( iParse.FullName() ); |
|
135 iError = DoReplace(); |
|
136 } |
|
137 return iError; |
|
138 } |
|
139 |
|
140 //----------------------------------------------------------------------------- |
|
141 |
|
142 TInt CDmpfile::Replace() |
|
143 { |
|
144 Close(); |
|
145 return ( iError = DoReplace() ); |
|
146 } |
|
147 |
|
148 //----------------------------------------------------------------------------- |
|
149 |
|
150 void CDmpfile::Close( ) |
|
151 // Close file iff is open. |
|
152 { |
|
153 if ( iIsOpen ) |
|
154 { |
|
155 iFile.Close(); |
|
156 iFs.Close(); |
|
157 iIsOpen = EFalse; |
|
158 } |
|
159 } |
|
160 |
|
161 //----------------------------------------------------------------------------- |
|
162 |
|
163 TInt CDmpfile::Write( const TDesC8& aDes ) |
|
164 { |
|
165 iError = iFile.Write( aDes ); |
|
166 if ( iError == KErrNone && iDoFlush ) |
|
167 iError = iFile.Flush(); |
|
168 return iError; |
|
169 } |
|
170 |
|
171 //----------------------------------------------------------------------------- |
|
172 |
|
173 TInt CDmpfile::Write( const TDesC8& aDes, TInt aLength ) |
|
174 { |
|
175 iError = iFile.Write( aDes, aLength ); |
|
176 if ( iError == KErrNone && iDoFlush ) |
|
177 iError = iFile.Flush(); |
|
178 return iError; |
|
179 } |
|
180 |
|
181 //----------------------------------------------------------------------------- |
|
182 |
|
183 TInt CDmpfile::Flush( ) |
|
184 { |
|
185 return ( iError = iFile.Flush() ); |
|
186 } |
|
187 |
|
188 //----------------------------------------------------------------------------- |
|
189 |
|
190 void CDmpfile::SetFlush( TBool doFlush ) |
|
191 { |
|
192 iDoFlush = doFlush; |
|
193 } |
|
194 |
|
195 //----------------------------------------------------------------------------- |
|
196 |
|
197 TInt CDmpfile::Size( ) |
|
198 // Get file size. Negative KErr* if fails. |
|
199 { |
|
200 TInt size; |
|
201 iError = iFile.Size( size ); |
|
202 return ( iError == KErrNone ? size : iError ); |
|
203 } |
|
204 |
|
205 //----------------------------------------------------------------------------- |
|
206 |
|
207 TBool CDmpfile::IsOpen( ) |
|
208 { |
|
209 return iIsOpen; |
|
210 } |
|
211 |
|
212 //----------------------------------------------------------------------------- |
|
213 |
|
214 TPtrC CDmpfile::FileName( ) const |
|
215 { |
|
216 TPtrC filename( iFileName ); |
|
217 return filename; |
|
218 } |
|
219 |
|
220 //----------------------------------------------------------------------------- |
|
221 |
|
222 TInt CDmpfile::Error( ) |
|
223 { |
|
224 return iError; |
|
225 } |
|
226 |
|
227 //----------------------------------------------------------------------------- |
|
228 |
|
229 TInt CDmpfile::DoOpen( ) |
|
230 { |
|
231 TInt ret = iFs.Connect(); |
|
232 if ( ret != KErrNone ) |
|
233 return ret; |
|
234 |
|
235 ret = iFile.Open( iFs, iFileName, EFileWrite ); |
|
236 if ( ret == KErrNotFound ) |
|
237 ret = iFile.Create( iFs, iFileName, EFileWrite ); |
|
238 if ( ret != KErrNone ) |
|
239 { |
|
240 iFs.Close(); |
|
241 return ret; |
|
242 } |
|
243 |
|
244 TInt filepos; |
|
245 ret = iFile.Seek( ESeekEnd, filepos ); |
|
246 if ( ret != KErrNone ) |
|
247 { |
|
248 iFs.Close(); |
|
249 iFile.Close(); |
|
250 return ret; |
|
251 } |
|
252 |
|
253 iIsOpen = ETrue; |
|
254 return ret; |
|
255 } |
|
256 |
|
257 //----------------------------------------------------------------------------- |
|
258 |
|
259 TInt CDmpfile::DoReplace( ) |
|
260 { |
|
261 TInt ret = iFs.Connect(); |
|
262 if ( ret != KErrNone ) |
|
263 return ret; |
|
264 |
|
265 ret = iFile.Replace( iFs, iFileName, EFileWrite ); |
|
266 if ( ret != KErrNone ) |
|
267 { |
|
268 iFs.Close(); |
|
269 return ret; |
|
270 } |
|
271 |
|
272 TInt filepos; |
|
273 ret = iFile.Seek( ESeekEnd, filepos ); |
|
274 if ( ret != KErrNone ) |
|
275 { |
|
276 iFs.Close(); |
|
277 iFile.Close(); |
|
278 return ret; |
|
279 } |
|
280 |
|
281 iIsOpen = ETrue; |
|
282 return ret; |
|
283 } |
|
284 |
|
285 //----------------------------------------------------------------------------- |
|
286 // End of File |
|
287 //----------------------------------------------------------------------------- |
|
288 |