1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
|
/***************************************************************************
* Copyright (C) 2001 by Bernd Gehrmann *
* bernd@tdevelop.org *
* jakob@simon-gaarde.dk *
* *
* This program is free software; you can redistribute it and/or modify *
* it under the terms of the GNU General Public License as published by *
* the Free Software Foundation; either version 2 of the License, or *
* (at your option) any later version. *
* *
***************************************************************************/
#ifndef _DOMUTIL_H_
#define _DOMUTIL_H_
#include <tqdom.h>
#include <tqpair.h>
#include <tqstringlist.h>
#include <tqvaluelist.h>
#include <tqmap.h>
/**
@file domutil.h
Utility functions to operate on %DOM.
*/
struct DomAttribute
{
TQString name;
TQString value;
};
struct DomPathElement
{
TQString tagName;
TQValueList<DomAttribute> attribute;
int matchNumber; // for use when more than one element matches the path
};
typedef TQValueList<DomPathElement> DomPath;
/**
* Utility class for conveniently accessing data in a %DOM tree.
*/
class DomUtil
{
public:
typedef TQPair<TQString, TQString> Pair;
typedef TQValueList<Pair> PairList;
/**
* Remove all child elements from a given element.
*/
static void makeEmpty( TQDomElement& );
/**
* Reads a string entry.
*/
static TQString readEntry(const TQDomDocument &doc, const TQString &path, const TQString &defaultEntry = TQString());
/**
* Reads a number entry.
*/
static int readIntEntry(const TQDomDocument &doc, const TQString &path, int defaultEntry = 0);
/**
* Reads a boolean entry. The strings "true" and "TRUE" are interpreted
* as true, all other as false.
*/
static bool readBoolEntry(const TQDomDocument &doc, const TQString &path, bool defaultEntry = false);
/**
* Reads a list entry. See writeListEntry().
*/
static TQStringList readListEntry(const TQDomDocument &doc, const TQString &path, const TQString &tag);
/**
* Reads a list of string pairs. See writePairListEntry().
*/
static PairList readPairListEntry(const TQDomDocument &doc, const TQString &path, const TQString &tag,
const TQString &firstAttr, const TQString &secondAttr);
/**
* Reads a string to string map. See writeMapEntry()
*/
static TQMap<TQString, TQString> readMapEntry(const TQDomDocument &doc, const TQString &path);
/**
* Retrieves an element by path, return null if any item along
* the path does not exist.
*/
static TQDomElement elementByPath( const TQDomDocument& doc, const TQString& path );
/**
* Retrieves an element by path, creating the necessary nodes.
*/
static TQDomElement createElementByPath( TQDomDocument& doc, const TQString& path );
/**
* Retrieves a child element, creating it if it does not exist.
* The return value is guaranteed to be non isNull()
*/
static TQDomElement namedChildElement( TQDomElement& el, const TQString& name );
/**
Writes a string entry. For example,
\verbatim
<code>
writeEntry(doc, "/general/special", "foo");
</code>
\endverbatim creates the %DOM fragment: \verbatim
<code>
<general><special>foo</special></general>
</code>
\endverbatim
*/
static void writeEntry(TQDomDocument &doc, const TQString &path, const TQString &value);
/**
* Writes a number entry.
*/
static void writeIntEntry(TQDomDocument &doc, const TQString &path, int value);
/**
* Writes a boolean entry. Booleans are stored as "true", "false" resp.
*/
static void writeBoolEntry(TQDomDocument &doc, const TQString &path, bool value);
/**
Writes a string list element. The list elements are separated by tag. For example,
\verbatim
<code>
TQStringList l; l << "one" << "two";
writeListEntry(doc, "/general/special", "el", l);
</code>
\endverbatim creates the %DOM fragment: \verbatim
<code>
<general><special><el>one</el><el>two</el></special></general>
</code>
\endverbatim
*/
static void writeListEntry(TQDomDocument &doc, const TQString &path, const TQString &tag,
const TQStringList &value);
/**
Writes a list of string pairs. The list elements are stored in the attributes
firstAttr and secondAttr of elements named tag. For example,
\verbatim
<code>
DomUtil::PairList l;
l << DomUtil::StringPair("one", "1");
l << DomUtil::StringPair("two", "2");
writePairListEntry(doc, "/general/special", "el", "first", "second", l);
</code>
\endverbatim creates the %DOM fragment: \verbatim
<code>
<general><special>
<el first="one" second="1"/>
<el first="two" second="2"/>
</special></general>
</code>
\endverbatim
*/
static void writePairListEntry(TQDomDocument &doc, const TQString &path, const TQString &tag,
const TQString &firstAttr, const TQString &secondAttr,
const PairList &value);
/**
* Writes a string to string map. This map is stored in a way, that it can be read with
* readMapEntry() and readEntry()
*/
static void writeMapEntry(TQDomDocument &doc, const TQString& path, const TQMap<TQString,TQString> &map);
/**
* Resolves an extended path
* Extended path format:
* pathpart: tag[|attr1=value[;attr2=value;..][|matchNumber]]
* where matchNumber is zero-based
* path: pathpart[/pathpart/..]
*/
static DomPath resolvPathStringExt(const TQString pathstring);
/**
Retrieve an element specified with extended path
examples:
- 1: "widget|class=TQDialog/property|name=geometry"
or "widget|class=TQDialog/property||1"
- 2: "widget/property|name=caption/string"
or "widget/property||2/string"
.
\verbatim
<widget class=TQDIALOG_OBJECT_NAME_STRING>
<property name="name">
<cstring>KdevFormName</cstring>
</property>
<property name="geometry"> <-- 1. reaches this node
<rect>
<x>0</x>
<y>0</y>
<width>600</width>
<height>480</height>
</rect>
</property>
<property name="caption">
<string>KdevFormCaption</string> <-- 2. reaches this node
</property>
</widget>
\endverbatim
*/
static TQDomElement elementByPathExt(TQDomDocument &doc, const TQString &pathstring);
/**
* Open file - filename - and set setContents of doc
*/
static bool openDOMFile(TQDomDocument &doc, TQString filename);
/**
* Store contents of doc in file - filename. Existing file will be truncated!
*/
static bool saveDOMFile(TQDomDocument &doc, TQString filename);
/**
* Remove all child text nodes of parent described in pathExt
*/
static bool removeTextNodes(TQDomDocument doc,TQString pathExt);
/**
* Add child text node to parent described in pathExt
*/
static bool appendText(TQDomDocument doc, TQString pathExt, TQString text);
/**
* Replace all chilt text nodes of parent described in pathExt with one new.
*/
static bool replaceText(TQDomDocument doc, TQString pathExt, TQString text);
private:
static TQString readEntryAux(const TQDomDocument &doc, const TQString &path);
};
#endif
|
