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1 | // Copyright (C) 2006 Erik Dahlberg |
2 | // |
3 | // This file is part of LSystem3d. |
4 | // |
5 | // LSystem3D is free software; you can redistribute it and/or |
6 | // modify it under the terms of the GNU General Public License |
7 | // as published by the Free Software Foundation; either version 2 |
8 | // of the License, or (at your option) any later version. |
9 | // |
10 | // LSystem3D is distributed in the hope that it will be useful, |
11 | // but WITHOUT ANY WARRANTY; without even the implied warranty of |
12 | // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
13 | // GNU General Public License for more details. |
14 | // |
15 | // You should have received a copy of the GNU General Public License |
16 | // along with LSystem3D; if not, write to the Free Software |
17 | // Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA |
18 | |
19 | |
20 | |
21 | |
22 | #ifndef XMLSTRUCTURE_H |
23 | #define XMLSTRUCTURE_H |
24 | |
25 | #include <string> |
26 | |
27 | #include <libxml++/document.h> |
28 | #include <libxml++/nodes/element.h> |
29 | #include <libxml++/nodes/node.h> |
30 | #include <libxml++/parsers/domparser.h> |
31 | |
32 | using namespace std; |
33 | |
34 | |
35 | |
36 | /** |
37 | * Basic logic for building and parsing xml-structures |
38 | */ |
39 | class XMLStructure |
40 | { |
41 | public: |
42 | /** |
43 | * Constructor |
44 | */ |
45 | XMLStructure(); |
46 | |
47 | /** |
48 | * Destructor |
49 | */ |
50 | ~XMLStructure(); |
51 | |
52 | protected: |
53 | |
54 | // Saver |
55 | // ----- |
56 | |
57 | /** |
58 | * Create new document with root node |
59 | * @param rootName name of root |
60 | */ |
61 | void createDocumentWithRoot(string rootName); |
62 | |
63 | /** |
64 | * Add new child to root |
65 | * @param name name of child |
66 | */ |
67 | void addChildToRoot(string name); |
68 | |
69 | /** |
70 | * Add a string as content of current child |
71 | * @param text the text |
72 | */ |
73 | void addString(string text); |
74 | |
75 | /** |
76 | * Add a number as content of current child |
77 | * @param value the number |
78 | */ |
79 | void addNumber(double value); |
80 | |
81 | /** |
82 | * Add attribute to current child |
83 | * @param name name of attribute |
84 | * @param value value of attribute |
85 | */ |
86 | void addAttribute(string name, string value); |
87 | |
88 | /** |
89 | * Save document to file |
90 | * @param path path to file |
91 | */ |
92 | void saveToDisk(string path); |
93 | |
94 | |
95 | // Loader |
96 | // ------ |
97 | |
98 | /** |
99 | * Load document from file |
100 | * @param path path to file |
101 | */ |
102 | void loadFromDisk(string path); |
103 | |
104 | /** |
105 | * Find all children with the specified name |
106 | * @param name name of children |
107 | * @return true if found, else false |
108 | */ |
109 | bool findChild(string name); |
110 | |
111 | /** |
112 | * Find next child in current search result list |
113 | * @return true if found, else false |
114 | */ |
115 | bool findNextChild(); |
116 | |
117 | /** |
118 | * Get content of current child as a string |
119 | * @return the string |
120 | */ |
121 | string getString(); |
122 | |
123 | /** |
124 | * Get content of current child as a number |
125 | * @return the number |
126 | */ |
127 | double getNumber(); |
128 | |
129 | /** |
130 | * Get attribute value of current child |
131 | * @param name name of attribute |
132 | * @return the value |
133 | */ |
134 | string getAttribute(string name); |
135 | |
136 | private: |
137 | |
138 | // Saver |
139 | xmlpp::Element *_rootElement; |
140 | xmlpp::Element *_activeElement; |
141 | xmlpp::Document *_activeDocument; |
142 | |
143 | // Loader |
144 | xmlpp::DomParser _parser; |
145 | xmlpp::Node::NodeList _activeList; |
146 | xmlpp::Node::NodeList::iterator _activeChildInList; |
147 | }; |
148 | |
149 | |
150 | |
151 | #endif |