|
1 // Copyright (c) 1998-2009 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 // |
|
15 |
|
16 #include "cimapatom.h" |
|
17 #include "cimapsessionconsts.h" |
|
18 |
|
19 CImapAtom* CImapAtom::NewLC() |
|
20 // static method |
|
21 { |
|
22 CImapAtom* self = new(ELeave)CImapAtom(); |
|
23 CleanupStack::PushL(self); |
|
24 |
|
25 // no ConstructL() |
|
26 |
|
27 return self; |
|
28 } |
|
29 |
|
30 CImapAtom::CImapAtom() |
|
31 { |
|
32 } |
|
33 |
|
34 CImapAtom::~CImapAtom() |
|
35 { |
|
36 } |
|
37 |
|
38 /** |
|
39 During parsing, sets the string data of this atom. |
|
40 @param The string data of this atom. |
|
41 @param Whether the data was provided as a quoted string. |
|
42 */ |
|
43 void CImapAtom::Set(const TDesC8& aAtom, TBool aAtomIsQuoted) |
|
44 { |
|
45 // Save this atom in here |
|
46 iAtom.Set(aAtom); |
|
47 iAtomIsQuoted = aAtomIsQuoted; |
|
48 } |
|
49 |
|
50 /** |
|
51 During parsing, sets the child of this atom. |
|
52 @param aNewChild The child of this atom. Ownership is not transferred. |
|
53 */ |
|
54 void CImapAtom::AddChild(CImapAtom* aNewChild) |
|
55 { |
|
56 // Set child pointer |
|
57 iChild=aNewChild; |
|
58 } |
|
59 |
|
60 /** |
|
61 During parsing, sets the sibling of this atom. |
|
62 @param aNewNext The sibling of this atom. Ownership is not transferred. |
|
63 */ |
|
64 void CImapAtom::AddNext(CImapAtom* aNewNext) |
|
65 { |
|
66 // Set next pointer |
|
67 iNext=aNewNext; |
|
68 } |
|
69 |
|
70 /** |
|
71 @return The child of this atom, or NULL if this atom has no child. Ownership is not transferred. |
|
72 */ |
|
73 CImapAtom* CImapAtom::Child() |
|
74 { |
|
75 return iChild; |
|
76 } |
|
77 |
|
78 /** |
|
79 @return The sibling of this atom, or NULL if this atom has no sibling. Ownership is not transferred. |
|
80 */ |
|
81 CImapAtom* CImapAtom::Next() |
|
82 { |
|
83 return iNext; |
|
84 } |
|
85 |
|
86 /** |
|
87 Use CompareF to match the provided string with this atom's data. |
|
88 @param aVal the string to match |
|
89 @return whether this atom's data matches the provided string. |
|
90 */ |
|
91 TBool CImapAtom::Match(const TDesC8& aVal) |
|
92 { |
|
93 // Compare and return result |
|
94 return (iAtom.CompareF(aVal)==0); |
|
95 } |
|
96 |
|
97 /** |
|
98 @param bNString whether a non-quoted "NIL" should be treated as a NULL string |
|
99 @return The string data of this atom |
|
100 */ |
|
101 const TDesC8& CImapAtom::Atom(TBool aNString) |
|
102 { |
|
103 if (aNString && !iAtomIsQuoted && (iAtom.CompareF(KImapTxtNil()) == 0)) |
|
104 { |
|
105 return KNullDesC8(); |
|
106 } |
|
107 |
|
108 return iAtom; |
|
109 } |
|
110 |
|
111 /** |
|
112 @return Whether the data was provided as a quoted string. |
|
113 */ |
|
114 TBool CImapAtom::AtomIsQuoted() |
|
115 { |
|
116 return iAtomIsQuoted; |
|
117 } |
|
118 |
|
119 /** |
|
120 This method should only be used by CImapAtomParser. |
|
121 During parsing, a ReAllocL() may be required on the heap buffer that this atom and its |
|
122 descendants' string data descriptor points at. |
|
123 This happens when the heap buffer needs to be expanded. |
|
124 If this causes the heap buffer's address to change, then this atom and its descendants' |
|
125 pointer descriptors need updating. |
|
126 @param The address of the new heap buffer |
|
127 @param The address of the data within the heap buffer before the ReAllocL took place. |
|
128 */ |
|
129 void CImapAtom::FixupL(const HBufC8 *aNewBuffer, const TText8 *aOldBuffer) |
|
130 { |
|
131 // Fixup descriptor pointers |
|
132 CArrayFixFlat<CImapAtom*>* atomStack = new (ELeave) CArrayFixFlat<CImapAtom*>(10); |
|
133 CleanupStack::PushL(atomStack); |
|
134 |
|
135 atomStack->AppendL(this); |
|
136 CImapAtom* currentAtom; |
|
137 while (atomStack->Count() != 0) |
|
138 { |
|
139 // Pop the top atom off of the stack |
|
140 currentAtom = (*atomStack)[atomStack->Count() - 1]; |
|
141 atomStack->ResizeL(atomStack->Count() - 1); |
|
142 |
|
143 // Fix up the current atom |
|
144 if (currentAtom->iAtom.Length()>0) |
|
145 { |
|
146 // Find offset from start of old buffer |
|
147 TInt start=(currentAtom->iAtom.Ptr()-aOldBuffer); |
|
148 |
|
149 // Make new descriptor & assign it |
|
150 TPtrC8 bufptr(aNewBuffer->Ptr()+start,currentAtom->iAtom.Length()); |
|
151 currentAtom->iAtom.Set(bufptr); // Note that we are setting the real iAtom not the copy returned by Atom() |
|
152 } |
|
153 |
|
154 // Add the first sibling to the stack, |
|
155 // subsequent siblings are added when this sibling is visited |
|
156 CImapAtom* siblingAtom = currentAtom->Next(); |
|
157 if (siblingAtom) |
|
158 { |
|
159 atomStack->AppendL(siblingAtom); |
|
160 } |
|
161 |
|
162 // Add child to the stack |
|
163 CImapAtom* childAtom = currentAtom->Child(); |
|
164 if (childAtom) |
|
165 { |
|
166 atomStack->AppendL(childAtom); |
|
167 } |
|
168 } |
|
169 |
|
170 CleanupStack::PopAndDestroy(atomStack); |
|
171 } |
|
172 |