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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 | #include <iostream> |
23 | #include <string> |
24 | |
25 | #include "lsystemparameters.h" |
26 | |
27 | using namespace std; |
28 | |
29 | |
30 | |
31 | /** |
32 | * Constructor |
33 | */ |
34 | LSystemParameters::LSystemParameters() |
35 | { |
36 | } |
37 | |
38 | |
39 | |
40 | /** |
41 | * Destructor |
42 | */ |
43 | LSystemParameters::~LSystemParameters() |
44 | { |
45 | } |
46 | |
47 | |
48 | |
49 | /** |
50 | * Load parameters from xml file |
51 | * @param lsystem put parameters into this l-system |
52 | * @param path path to xml file |
53 | */ |
54 | void LSystemParameters::load(LindenmayerSystem *lsystem, string path) |
55 | { |
56 | if (lsystem) |
57 | { |
58 | try |
59 | { |
60 | // load |
61 | loadFromDisk(path); |
62 | |
63 | // axiom |
64 | findChild("axiom"); |
65 | lsystem->setAxiom(getString()); |
66 | |
67 | // rules |
68 | if (findChild("rule")) |
69 | { |
70 | do |
71 | { |
72 | lsystem->setRule(getAttribute("name"), getString()); |
73 | } while (findNextChild()); |
74 | } |
75 | |
76 | // angle |
77 | findChild("angle"); |
78 | lsystem->setAngle(getNumber()); |
79 | |
80 | // iterations |
81 | findChild("iterations"); |
82 | lsystem->setNumIterations((int)getNumber()); |
83 | } |
84 | catch (xmlpp::exception e) |
85 | { |
86 | cerr << "LSystemParameters::load(): " << e.what() << endl; |
87 | } |
88 | } |
89 | else |
90 | { |
91 | cerr << "invalid lsystem" << endl; |
92 | } |
93 | } |
94 | |
95 | |
96 | |
97 | /** |
98 | * Save parameters to xml file |
99 | * @param lsystem get parameters from this l-system |
100 | * @param path path to xml file |
101 | */ |
102 | void LSystemParameters::save(LindenmayerSystem *lsystem, string path) |
103 | { |
104 | if (lsystem && !lsystem->getAxiom().empty() && !lsystem->getRules().empty()) |
105 | { |
106 | // new document with root node |
107 | createDocumentWithRoot("lsystem"); |
108 | |
109 | // axiom |
110 | addChildToRoot("axiom"); |
111 | addString(lsystem->getAxiom()); |
112 | |
113 | // rules |
114 | map<string,string> rules = lsystem->getRules(); |
115 | map<string,string>::iterator currentRule; |
116 | for (currentRule = rules.begin(); currentRule != rules.end(); currentRule++) |
117 | { |
118 | addChildToRoot("rule"); |
119 | addString(currentRule->second); |
120 | addAttribute("name", currentRule->first); |
121 | } |
122 | |
123 | // angle |
124 | addChildToRoot("angle"); |
125 | addNumber(lsystem->getAngle()); |
126 | |
127 | // iterations |
128 | addChildToRoot("iterations"); |
129 | addNumber(lsystem->getNumIterations()); |
130 | |
131 | // save |
132 | saveToDisk(path); |
133 | } |
134 | else |
135 | { |
136 | cerr << "invalid lsystem" << endl; |
137 | } |
138 | } |