|
1 // Copyright (c) 2004-2009 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 // Name : CSIPURIHeaders.cpp |
|
15 // Part of : SIP Codec |
|
16 // Version : SIP/4.0 |
|
17 // |
|
18 |
|
19 |
|
20 |
|
21 #include "CSIPURIHeaders.h" |
|
22 #include "CSIPTokenizer.h" |
|
23 #include "CSIPParam.h" |
|
24 #include "sipcodecerr.h" |
|
25 #include "TSIPChar.h" |
|
26 |
|
27 // ----------------------------------------------------------------------------- |
|
28 // CSIPURIHeaders::DecodeL |
|
29 // ----------------------------------------------------------------------------- |
|
30 // |
|
31 CSIPURIHeaders* CSIPURIHeaders::DecodeL (const TDesC8& aValue) |
|
32 { |
|
33 __ASSERT_ALWAYS (aValue.Length() > 0, User::Leave(KErrSipCodecURIHeaders)); |
|
34 |
|
35 CSIPURIHeaders* headers = new(ELeave)CSIPURIHeaders; |
|
36 CleanupStack::PushL (headers); |
|
37 CSIPTokenizer* tokenizer = CSIPTokenizer::NewLC(aValue,'&'); |
|
38 for (TInt i=0; i < tokenizer->Tokens().Count(); i++) |
|
39 { |
|
40 CSIPParam* header = CSIPParam::DecodeL(tokenizer->Tokens()[i]); |
|
41 CleanupStack::PushL(header); |
|
42 headers->AddHeaderL(header); |
|
43 CleanupStack::Pop(header); |
|
44 } |
|
45 CleanupStack::PopAndDestroy(tokenizer); |
|
46 CleanupStack::Pop(); // headers |
|
47 return headers; |
|
48 } |
|
49 |
|
50 // ----------------------------------------------------------------------------- |
|
51 // CSIPURIHeaders::NewL |
|
52 // ----------------------------------------------------------------------------- |
|
53 // |
|
54 CSIPURIHeaders* CSIPURIHeaders::NewL (const CSIPURIHeaders& aHeaders) |
|
55 { |
|
56 CSIPURIHeaders* self = CSIPURIHeaders::NewLC (aHeaders); |
|
57 CleanupStack::Pop(self); |
|
58 return self; |
|
59 } |
|
60 |
|
61 // ----------------------------------------------------------------------------- |
|
62 // CSIPURIHeaders::NewLC |
|
63 // ----------------------------------------------------------------------------- |
|
64 // |
|
65 CSIPURIHeaders* CSIPURIHeaders::NewLC (const CSIPURIHeaders& aHeaders) |
|
66 { |
|
67 CSIPURIHeaders* self = new(ELeave)CSIPURIHeaders; |
|
68 CleanupStack::PushL(self); |
|
69 self->ConstructL (aHeaders); |
|
70 return self; |
|
71 } |
|
72 |
|
73 // ----------------------------------------------------------------------------- |
|
74 // CSIPURIHeaders::CSIPURIHeaders |
|
75 // ----------------------------------------------------------------------------- |
|
76 // |
|
77 CSIPURIHeaders::CSIPURIHeaders () |
|
78 { |
|
79 } |
|
80 |
|
81 // ----------------------------------------------------------------------------- |
|
82 // CSIPURIHeaders::ConstructL |
|
83 // ----------------------------------------------------------------------------- |
|
84 // |
|
85 void CSIPURIHeaders::ConstructL (const CSIPURIHeaders& aHeaders) |
|
86 { |
|
87 for (TInt i=0; i < aHeaders.iHeaders.Count(); i++) |
|
88 { |
|
89 CSIPParam* header = CSIPParam::NewLC(*aHeaders.iHeaders[i]); |
|
90 AddHeaderL(header); |
|
91 CleanupStack::Pop(header); |
|
92 } |
|
93 } |
|
94 |
|
95 // ----------------------------------------------------------------------------- |
|
96 // CSIPURIHeaders::~CSIPURIHeaders |
|
97 // ----------------------------------------------------------------------------- |
|
98 // |
|
99 CSIPURIHeaders::~CSIPURIHeaders () |
|
100 { |
|
101 iHeaders.ResetAndDestroy(); |
|
102 } |
|
103 |
|
104 // ----------------------------------------------------------------------------- |
|
105 // CSIPURIHeaders::HasHeaders |
|
106 // ----------------------------------------------------------------------------- |
|
107 // |
|
108 TBool CSIPURIHeaders::HasHeaders (const TDesC8& aName) const |
|
109 { |
|
110 for (TInt i=0; i < iHeaders.Count(); i++) |
|
111 { |
|
112 if (aName.CompareF(iHeaders[i]->Name().DesC()) == 0) |
|
113 { |
|
114 return ETrue; |
|
115 } |
|
116 } |
|
117 return EFalse; |
|
118 } |
|
119 |
|
120 // ----------------------------------------------------------------------------- |
|
121 // CSIPURIHeaders::HeaderValuesL |
|
122 // ----------------------------------------------------------------------------- |
|
123 // |
|
124 CPtrC8Array* CSIPURIHeaders::HeaderValuesL (const TDesC8& aName) const |
|
125 { |
|
126 CPtrC8Array* values = new(ELeave)CPtrC8Array(1); |
|
127 CleanupStack::PushL(values); |
|
128 for (TInt i=0; i < iHeaders.Count(); i++) |
|
129 { |
|
130 if (aName.CompareF(iHeaders[i]->Name().DesC()) == 0) |
|
131 { |
|
132 values->AppendL(iHeaders[i]->Value().DesC()); |
|
133 } |
|
134 } |
|
135 CleanupStack::Pop(values); |
|
136 if (values->Count() == 0) |
|
137 { |
|
138 delete values; |
|
139 return NULL; |
|
140 } |
|
141 return values; |
|
142 } |
|
143 |
|
144 // ----------------------------------------------------------------------------- |
|
145 // CSIPURIHeaders::AddHeaderL |
|
146 // ----------------------------------------------------------------------------- |
|
147 // |
|
148 void CSIPURIHeaders::AddHeaderL (const TDesC8& aName, const TDesC8& aValue) |
|
149 { |
|
150 CSIPParam* header = CSIPParam::NewLC(aName,aValue); |
|
151 AddHeaderL(header); |
|
152 CleanupStack::Pop(header); |
|
153 } |
|
154 |
|
155 // ----------------------------------------------------------------------------- |
|
156 // CSIPURIHeaders::DeleteAll |
|
157 // ----------------------------------------------------------------------------- |
|
158 // |
|
159 void CSIPURIHeaders::DeleteAll () |
|
160 { |
|
161 iHeaders.ResetAndDestroy(); |
|
162 } |
|
163 |
|
164 // ----------------------------------------------------------------------------- |
|
165 // CSIPURIHeaders::operator== |
|
166 // ----------------------------------------------------------------------------- |
|
167 // |
|
168 TBool CSIPURIHeaders::operator==(const CSIPURIHeaders& aHeaders) const |
|
169 { |
|
170 // All URI-headers must be present in both and their values must match. |
|
171 for (TInt i=0; i < iHeaders.Count(); i++) |
|
172 { |
|
173 if (!aHeaders.HasHeader(*(iHeaders[i]))) |
|
174 { |
|
175 return EFalse; |
|
176 } |
|
177 } |
|
178 for (TInt j=0; j < aHeaders.iHeaders.Count(); j++) |
|
179 { |
|
180 if (!HasHeader(*(aHeaders.iHeaders[j]))) |
|
181 { |
|
182 return EFalse; |
|
183 } |
|
184 } |
|
185 return ETrue; |
|
186 } |
|
187 |
|
188 // ----------------------------------------------------------------------------- |
|
189 // CSIPURIHeaders::ToTextLC |
|
190 // ----------------------------------------------------------------------------- |
|
191 // |
|
192 HBufC8* CSIPURIHeaders::ToTextLC () const |
|
193 { |
|
194 TUint encodedLength = 0; |
|
195 |
|
196 RPointerArray<HBufC8> headersAsText; |
|
197 CleanupStack::PushL (TCleanupItem(ResetAndDestroy,&headersAsText)); |
|
198 |
|
199 for (TInt i=0; i < iHeaders.Count(); i++) |
|
200 { |
|
201 HBufC8* headerAsText = iHeaders[i]->ToTextLC(); |
|
202 encodedLength += headerAsText->Length(); |
|
203 if (i < iHeaders.Count()-1) |
|
204 { |
|
205 encodedLength += 1; // header separator '&' |
|
206 } |
|
207 headersAsText.AppendL(headerAsText); |
|
208 CleanupStack::Pop(headerAsText); |
|
209 } |
|
210 |
|
211 HBufC8* encodedHeaders = HBufC8::NewL (encodedLength); |
|
212 TPtr8 encodedHeadersPtr = encodedHeaders->Des(); |
|
213 |
|
214 for (TInt j=0; j < headersAsText.Count(); j++) |
|
215 { |
|
216 encodedHeadersPtr.Append (*headersAsText[j]); |
|
217 if (j < headersAsText.Count()-1) |
|
218 { |
|
219 encodedHeadersPtr.Append('&'); |
|
220 } |
|
221 } |
|
222 |
|
223 CleanupStack::PopAndDestroy(1); // headersAsText |
|
224 CleanupStack::PushL(encodedHeaders); |
|
225 return encodedHeaders; |
|
226 } |
|
227 |
|
228 // ----------------------------------------------------------------------------- |
|
229 // CSIPURIHeaders::AddHeaderL |
|
230 // ----------------------------------------------------------------------------- |
|
231 // |
|
232 void CSIPURIHeaders::AddHeaderL (const CSIPParam* aHeader) |
|
233 { |
|
234 CheckHeaderL (aHeader); |
|
235 User::LeaveIfError (iHeaders.Append(aHeader)); |
|
236 } |
|
237 |
|
238 // ----------------------------------------------------------------------------- |
|
239 // CSIPURIHeaders::CheckHeaderL |
|
240 // ----------------------------------------------------------------------------- |
|
241 // |
|
242 void CSIPURIHeaders::CheckHeaderL (const CSIPParam* aHeader) const |
|
243 { |
|
244 __ASSERT_ALWAYS (aHeader != 0, User::Leave(KErrSipCodecURIHeaders)); |
|
245 |
|
246 if (!aHeader->HasValue()) |
|
247 { |
|
248 User::Leave(KErrSipCodecURIHeaders); |
|
249 } |
|
250 if (!CheckSIPURIHeaderToken(aHeader->Name().DesC())) |
|
251 { |
|
252 User::Leave(KErrSipCodecURIHeaders); |
|
253 } |
|
254 if (!CheckSIPURIHeaderToken(aHeader->Value().DesC())) |
|
255 { |
|
256 User::Leave(KErrSipCodecURIHeaders); |
|
257 } |
|
258 } |
|
259 |
|
260 // ----------------------------------------------------------------------------- |
|
261 // CSIPURIHeaders::CheckSIPURIHeaderToken |
|
262 // ----------------------------------------------------------------------------- |
|
263 // |
|
264 TBool CSIPURIHeaders::CheckSIPURIHeaderToken (const TDesC8& aHeaderToken) |
|
265 { |
|
266 if (aHeaderToken.Length() == 0) |
|
267 { |
|
268 return EFalse; |
|
269 } |
|
270 |
|
271 TLex8 lex(aHeaderToken); |
|
272 TSIPChar sipChr = lex.Get(); |
|
273 while (sipChr) |
|
274 { |
|
275 // unreserved / escaped / hnv-unreserved |
|
276 if (!(sipChr.IsUnreserved() || sipChr == '%' || |
|
277 sipChr == '[' || sipChr == ']' || sipChr == '/' || |
|
278 sipChr == '?' || sipChr == ':' || sipChr == '+' || |
|
279 sipChr == '$')) |
|
280 { |
|
281 return EFalse; |
|
282 } |
|
283 if (sipChr == '%') // escaped: "%" HEXDIG HEXDIG |
|
284 { |
|
285 if (!lex.Get().IsHexDigit()) |
|
286 { |
|
287 return EFalse; |
|
288 } |
|
289 if (!lex.Get().IsHexDigit()) |
|
290 { |
|
291 return EFalse; |
|
292 } |
|
293 } |
|
294 sipChr = lex.Get(); |
|
295 } |
|
296 return ETrue; |
|
297 } |
|
298 |
|
299 // ----------------------------------------------------------------------------- |
|
300 // CSIPURIHeaders::HasHeader |
|
301 // ----------------------------------------------------------------------------- |
|
302 // |
|
303 TBool CSIPURIHeaders::HasHeader (const CSIPParam& aHeader) const |
|
304 { |
|
305 for (TInt i=0; i < iHeaders.Count(); i++) |
|
306 { |
|
307 if (aHeader == *(iHeaders[i])) |
|
308 { |
|
309 return ETrue; |
|
310 } |
|
311 } |
|
312 return EFalse; |
|
313 } |
|
314 |
|
315 // ----------------------------------------------------------------------------- |
|
316 // CSIPURIHeaders::ResetAndDestroy |
|
317 // ----------------------------------------------------------------------------- |
|
318 // |
|
319 void CSIPURIHeaders::ResetAndDestroy (TAny* anArray) |
|
320 { |
|
321 (reinterpret_cast<RPointerArray<HBufC8>*> (anArray))->ResetAndDestroy(); |
|
322 } |