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50
51 #include <QtGui>
52
53 #include "xmlwriter.h"
54
toXml()55 QDomDocument *XmlWriter::toXml()
56 {
57 QDomImplementation implementation;
58 QDomDocumentType docType = implementation.createDocumentType(
59 "scribe-document", "scribe", "qt.nokia.com/scribe");
60
61 document = new QDomDocument(docType);
62
63 // ### This processing instruction is required to ensure that any kind
64 // of encoding is given when the document is written.
65 QDomProcessingInstruction process = document->createProcessingInstruction(
66 "xml", "version=\"1.0\" encoding=\"utf-8\"");
67 document->appendChild(process);
68
69 QDomElement documentElement = document->createElement("document");
70 document->appendChild(documentElement);
71
72 QTextFrame *root = textDocument->rootFrame();
73
74 if (root)
75 processFrame(documentElement, root);
76
77 return document;
78 }
79
processBlock(QDomElement & parent,const QTextBlock & block)80 void XmlWriter::processBlock(QDomElement &parent, const QTextBlock &block)
81 {
82 QDomElement blockElement = document->createElement("block");
83 blockElement.setAttribute("position", block.position());
84 blockElement.setAttribute("length", block.length());
85 parent.appendChild(blockElement);
86
87 QTextBlock::iterator it;
88 for (it = block.begin(); !(it.atEnd()); ++it) {
89 QTextFragment fragment = it.fragment();
90
91 if (fragment.isValid()) {
92 QDomElement fragmentElement = document->createElement("fragment");
93 blockElement.appendChild(fragmentElement);
94
95 fragmentElement.setAttribute("length", fragment.length());
96 QDomText fragmentText = document->createTextNode(fragment.text());
97
98 fragmentElement.appendChild(fragmentText);
99 }
100 }
101 }
102
processFrame(QDomElement & parent,QTextFrame * frame)103 void XmlWriter::processFrame(QDomElement &parent, QTextFrame *frame)
104 {
105 QDomElement frameElement = document->createElement("frame");
106 frameElement.setAttribute("begin", frame->firstPosition());
107 frameElement.setAttribute("end", frame->lastPosition());
108 parent.appendChild(frameElement);
109
110 //! [0]
111 QDomElement frameElement = ...
112
113 QTextFrame::iterator it;
114 for (it = frame->begin(); !(it.atEnd()); ++it) {
115
116 QTextFrame *childFrame = it.currentFrame();
117 QTextBlock childBlock = it.currentBlock();
118
119 if (childFrame) {
120 QTextTable *childTable = qobject_cast<QTextTable*>(childFrame);
121
122 if (childTable)
123 processTable(frameElement, childTable);
124 else
125 processFrame(frameElement, childFrame);
126
127 } else if (childBlock.isValid())
128 //! [0] //! [1]
129 processBlock(frameElement, childBlock);
130 }
131 //! [1]
132 }
133
processTable(QDomElement & parent,QTextTable * table)134 void XmlWriter::processTable(QDomElement &parent, QTextTable *table)
135 {
136 QDomElement element = document->createElement("table");
137
138 for (int row = 0; row < table->rows(); ++row) {
139 for (int column = 0; column < table->columns(); ++column) {
140 QTextTableCell cell = table->cellAt(row, column);
141 processTableCell(element, cell);
142 }
143 }
144 parent.appendChild(element);
145 }
146
processTableCell(QDomElement & parent,const QTextTableCell & cell)147 void XmlWriter::processTableCell(QDomElement &parent, const QTextTableCell &cell)
148 {
149 QDomElement element = document->createElement("cell");
150 element.setAttribute("row", cell.row());
151 element.setAttribute("column", cell.column());
152
153 QTextFrame::iterator it;
154 for (it = cell.begin(); !(it.atEnd()); ++it) {
155
156 QTextFrame *childFrame = it.currentFrame();
157 QTextBlock childBlock = it.currentBlock();
158
159 if (childFrame)
160 processFrame(element, childFrame);
161 else if (childBlock.isValid())
162 processBlock(element, childBlock);
163 }
164 parent.appendChild(element);
165 }
166