1 : /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
2 : // vim:cindent:ts=2:et:sw=2:
3 : /* ***** BEGIN LICENSE BLOCK *****
4 : * Version: MPL 1.1/GPL 2.0/LGPL 2.1
5 : *
6 : * The contents of this file are subject to the Mozilla Public License Version
7 : * 1.1 (the "License"); you may not use this file except in compliance with
8 : * the License. You may obtain a copy of the License at
9 : * http://www.mozilla.org/MPL/
10 : *
11 : * Software distributed under the License is distributed on an "AS IS" basis,
12 : * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
13 : * for the specific language governing rights and limitations under the
14 : * License.
15 : *
16 : * The Original Code is mozilla.org code.
17 : *
18 : * The Initial Developer of the Original Code is
19 : * Esben Mose Hansen.
20 : *
21 : * Contributor(s):
22 : * Esben Mose Hansen <esben@oek.dk> (original author)
23 : * L. David Baron <dbaron@dbaron.org>
24 : *
25 : * Alternatively, the contents of this file may be used under the terms of
26 : * either the GNU General Public License Version 2 or later (the "GPL"), or
27 : * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
28 : * in which case the provisions of the GPL or the LGPL are applicable instead
29 : * of those above. If you wish to allow use of your version of this file only
30 : * under the terms of either the GPL or the LGPL, and not to allow others to
31 : * use your version of this file under the terms of the MPL, indicate your
32 : * decision by deleting the provisions above and replace them with the notice
33 : * and other provisions required by the GPL or the LGPL. If you do not delete
34 : * the provisions above, a recipient may use your version of this file under
35 : * the terms of any one of the MPL, the GPL or the LGPL.
36 : *
37 : * ***** END LICENSE BLOCK ***** */
38 :
39 : /* implementation of quotes for the CSS 'content' property */
40 :
41 : #include "nsQuoteList.h"
42 : #include "nsReadableUtils.h"
43 :
44 : bool
45 0 : nsQuoteNode::InitTextFrame(nsGenConList* aList, nsIFrame* aPseudoFrame,
46 : nsIFrame* aTextFrame)
47 : {
48 0 : nsGenConNode::InitTextFrame(aList, aPseudoFrame, aTextFrame);
49 :
50 0 : nsQuoteList* quoteList = static_cast<nsQuoteList*>(aList);
51 0 : bool dirty = false;
52 0 : quoteList->Insert(this);
53 0 : if (quoteList->IsLast(this))
54 0 : quoteList->Calc(this);
55 : else
56 0 : dirty = true;
57 :
58 : // Don't set up text for 'no-open-quote' and 'no-close-quote'.
59 0 : if (IsRealQuote()) {
60 0 : aTextFrame->GetContent()->SetText(*Text(), false);
61 : }
62 0 : return dirty;
63 : }
64 :
65 : const nsString*
66 0 : nsQuoteNode::Text()
67 : {
68 0 : NS_ASSERTION(mType == eStyleContentType_OpenQuote ||
69 : mType == eStyleContentType_CloseQuote,
70 : "should only be called when mText should be non-null");
71 0 : const nsStyleQuotes* styleQuotes = mPseudoFrame->GetStyleQuotes();
72 0 : PRInt32 quotesCount = styleQuotes->QuotesCount(); // 0 if 'quotes:none'
73 0 : PRInt32 quoteDepth = Depth();
74 :
75 : // Reuse the last pair when the depth is greater than the number of
76 : // pairs of quotes. (Also make 'quotes: none' and close-quote from
77 : // a depth of 0 equivalent for the next test.)
78 0 : if (quoteDepth >= quotesCount)
79 0 : quoteDepth = quotesCount - 1;
80 :
81 : const nsString *result;
82 0 : if (quoteDepth == -1) {
83 : // close-quote from a depth of 0 or 'quotes: none' (we want a node
84 : // with the empty string so dynamic changes are easier to handle)
85 0 : result = & EmptyString();
86 : } else {
87 : result = eStyleContentType_OpenQuote == mType
88 0 : ? styleQuotes->OpenQuoteAt(quoteDepth)
89 0 : : styleQuotes->CloseQuoteAt(quoteDepth);
90 : }
91 0 : return result;
92 : }
93 :
94 : void
95 0 : nsQuoteList::Calc(nsQuoteNode* aNode)
96 : {
97 0 : if (aNode == FirstNode()) {
98 0 : aNode->mDepthBefore = 0;
99 : } else {
100 0 : aNode->mDepthBefore = Prev(aNode)->DepthAfter();
101 : }
102 0 : }
103 :
104 : void
105 0 : nsQuoteList::RecalcAll()
106 : {
107 0 : nsQuoteNode *node = FirstNode();
108 0 : if (!node)
109 0 : return;
110 :
111 0 : do {
112 0 : PRInt32 oldDepth = node->mDepthBefore;
113 0 : Calc(node);
114 :
115 0 : if (node->mDepthBefore != oldDepth && node->mText && node->IsRealQuote())
116 0 : node->mText->SetData(*node->Text());
117 :
118 : // Next node
119 0 : node = Next(node);
120 0 : } while (node != FirstNode());
121 : }
122 :
123 : #ifdef DEBUG
124 : void
125 0 : nsQuoteList::PrintChain()
126 : {
127 0 : printf("Chain: \n");
128 0 : if (!FirstNode()) {
129 0 : return;
130 : }
131 0 : nsQuoteNode* node = FirstNode();
132 0 : do {
133 0 : printf(" %p %d - ", static_cast<void*>(node), node->mDepthBefore);
134 0 : switch(node->mType) {
135 : case (eStyleContentType_OpenQuote):
136 0 : printf("open");
137 0 : break;
138 : case (eStyleContentType_NoOpenQuote):
139 0 : printf("noOpen");
140 0 : break;
141 : case (eStyleContentType_CloseQuote):
142 0 : printf("close");
143 0 : break;
144 : case (eStyleContentType_NoCloseQuote):
145 0 : printf("noClose");
146 0 : break;
147 : default:
148 0 : printf("unknown!!!");
149 : }
150 0 : printf(" %d - %d,", node->Depth(), node->DepthAfter());
151 0 : if (node->mText) {
152 0 : nsAutoString data;
153 0 : node->mText->GetData(data);
154 0 : printf(" \"%s\",", NS_ConvertUTF16toUTF8(data).get());
155 : }
156 0 : printf("\n");
157 0 : node = Next(node);
158 0 : } while (node != FirstNode());
159 : }
160 : #endif
|