src/parser.cpp

Sun, 03 Jul 2022 23:54:22 +0300

author
Teemu Piippo <teemu.s.piippo@gmail.com>
date
Sun, 03 Jul 2022 23:54:22 +0300
changeset 328
3ea38fd469ca
parent 327
2aa15daa0216
child 333
07e65a4c6611
permissions
-rw-r--r--

Replace item view with a text editor

3
55a55a9ec2c2 Added lots of code
Teemu Piippo <teemu@hecknology.net>
parents:
diff changeset
1 /*
55a55a9ec2c2 Added lots of code
Teemu Piippo <teemu@hecknology.net>
parents:
diff changeset
2 * LDForge: LDraw parts authoring CAD
24
1a0faaaceb84 added license
Teemu Piippo <teemu@hecknology.net>
parents: 23
diff changeset
3 * Copyright (C) 2013 - 2020 Teemu Piippo
3
55a55a9ec2c2 Added lots of code
Teemu Piippo <teemu@hecknology.net>
parents:
diff changeset
4 *
55a55a9ec2c2 Added lots of code
Teemu Piippo <teemu@hecknology.net>
parents:
diff changeset
5 * This program is free software: you can redistribute it and/or modify
55a55a9ec2c2 Added lots of code
Teemu Piippo <teemu@hecknology.net>
parents:
diff changeset
6 * it under the terms of the GNU General Public License as published by
55a55a9ec2c2 Added lots of code
Teemu Piippo <teemu@hecknology.net>
parents:
diff changeset
7 * the Free Software Foundation, either version 3 of the License, or
55a55a9ec2c2 Added lots of code
Teemu Piippo <teemu@hecknology.net>
parents:
diff changeset
8 * (at your option) any later version.
55a55a9ec2c2 Added lots of code
Teemu Piippo <teemu@hecknology.net>
parents:
diff changeset
9 *
55a55a9ec2c2 Added lots of code
Teemu Piippo <teemu@hecknology.net>
parents:
diff changeset
10 * This program is distributed in the hope that it will be useful,
55a55a9ec2c2 Added lots of code
Teemu Piippo <teemu@hecknology.net>
parents:
diff changeset
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
55a55a9ec2c2 Added lots of code
Teemu Piippo <teemu@hecknology.net>
parents:
diff changeset
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
55a55a9ec2c2 Added lots of code
Teemu Piippo <teemu@hecknology.net>
parents:
diff changeset
13 * GNU General Public License for more details.
55a55a9ec2c2 Added lots of code
Teemu Piippo <teemu@hecknology.net>
parents:
diff changeset
14 *
55a55a9ec2c2 Added lots of code
Teemu Piippo <teemu@hecknology.net>
parents:
diff changeset
15 * You should have received a copy of the GNU General Public License
55a55a9ec2c2 Added lots of code
Teemu Piippo <teemu@hecknology.net>
parents:
diff changeset
16 * along with this program. If not, see <http://www.gnu.org/licenses/>.
55a55a9ec2c2 Added lots of code
Teemu Piippo <teemu@hecknology.net>
parents:
diff changeset
17 */
55a55a9ec2c2 Added lots of code
Teemu Piippo <teemu@hecknology.net>
parents:
diff changeset
18
259
c27612f0eac0 - Made it build under Qt6
Teemu Piippo <teemu.s.piippo@gmail.com>
parents: 242
diff changeset
19 #include <QRegExp>
c27612f0eac0 - Made it build under Qt6
Teemu Piippo <teemu.s.piippo@gmail.com>
parents: 242
diff changeset
20 #include <QIODevice>
264
76a025db4948 Convert all includes to be relative to project root directory. Files that cannot be found in this manner use angle brackets.
Teemu Piippo <teemu.s.piippo@gmail.com>
parents: 259
diff changeset
21 #include "src/ldrawalgorithm.h"
76a025db4948 Convert all includes to be relative to project root directory. Files that cannot be found in this manner use angle brackets.
Teemu Piippo <teemu.s.piippo@gmail.com>
parents: 259
diff changeset
22 #include "src/model.h"
76a025db4948 Convert all includes to be relative to project root directory. Files that cannot be found in this manner use angle brackets.
Teemu Piippo <teemu.s.piippo@gmail.com>
parents: 259
diff changeset
23 #include "src/parser.h"
3
55a55a9ec2c2 Added lots of code
Teemu Piippo <teemu@hecknology.net>
parents:
diff changeset
24
8
44679e468ba9 major update with many things
Teemu Piippo <teemu@hecknology.net>
parents: 5
diff changeset
25 struct BodyParseError
44679e468ba9 major update with many things
Teemu Piippo <teemu@hecknology.net>
parents: 5
diff changeset
26 {
44679e468ba9 major update with many things
Teemu Piippo <teemu@hecknology.net>
parents: 5
diff changeset
27 QString message;
44679e468ba9 major update with many things
Teemu Piippo <teemu@hecknology.net>
parents: 5
diff changeset
28 };
44679e468ba9 major update with many things
Teemu Piippo <teemu@hecknology.net>
parents: 5
diff changeset
29
3
55a55a9ec2c2 Added lots of code
Teemu Piippo <teemu@hecknology.net>
parents:
diff changeset
30 /*
55a55a9ec2c2 Added lots of code
Teemu Piippo <teemu@hecknology.net>
parents:
diff changeset
31 * Constructs an LDraw parser
55a55a9ec2c2 Added lots of code
Teemu Piippo <teemu@hecknology.net>
parents:
diff changeset
32 */
328
3ea38fd469ca Replace item view with a text editor
Teemu Piippo <teemu.s.piippo@gmail.com>
parents: 327
diff changeset
33 Parser::Parser(QTextStream& stream, QObject* parent) :
3
55a55a9ec2c2 Added lots of code
Teemu Piippo <teemu@hecknology.net>
parents:
diff changeset
34 QObject {parent},
328
3ea38fd469ca Replace item view with a text editor
Teemu Piippo <teemu.s.piippo@gmail.com>
parents: 327
diff changeset
35 stream {stream} {}
3
55a55a9ec2c2 Added lots of code
Teemu Piippo <teemu@hecknology.net>
parents:
diff changeset
36
55a55a9ec2c2 Added lots of code
Teemu Piippo <teemu@hecknology.net>
parents:
diff changeset
37 /*
55a55a9ec2c2 Added lots of code
Teemu Piippo <teemu@hecknology.net>
parents:
diff changeset
38 * Reads a single line from the device.
55a55a9ec2c2 Added lots of code
Teemu Piippo <teemu@hecknology.net>
parents:
diff changeset
39 */
55a55a9ec2c2 Added lots of code
Teemu Piippo <teemu@hecknology.net>
parents:
diff changeset
40 QString Parser::readLine()
55a55a9ec2c2 Added lots of code
Teemu Piippo <teemu@hecknology.net>
parents:
diff changeset
41 {
328
3ea38fd469ca Replace item view with a text editor
Teemu Piippo <teemu.s.piippo@gmail.com>
parents: 327
diff changeset
42 return this->stream.readLine().trimmed();
3
55a55a9ec2c2 Added lots of code
Teemu Piippo <teemu@hecknology.net>
parents:
diff changeset
43 }
55a55a9ec2c2 Added lots of code
Teemu Piippo <teemu@hecknology.net>
parents:
diff changeset
44
55a55a9ec2c2 Added lots of code
Teemu Piippo <teemu@hecknology.net>
parents:
diff changeset
45 /**
55a55a9ec2c2 Added lots of code
Teemu Piippo <teemu@hecknology.net>
parents:
diff changeset
46 * @brief Parses the model body into the given model.
55a55a9ec2c2 Added lots of code
Teemu Piippo <teemu@hecknology.net>
parents:
diff changeset
47 * @param editor Handle to model edit context
55a55a9ec2c2 Added lots of code
Teemu Piippo <teemu@hecknology.net>
parents:
diff changeset
48 */
152
03f8e6d42e13 Major refactoring
Teemu Piippo <teemu@hecknology.net>
parents: 144
diff changeset
49 void Parser::parseBody(Model& model)
3
55a55a9ec2c2 Added lots of code
Teemu Piippo <teemu@hecknology.net>
parents:
diff changeset
50 {
55a55a9ec2c2 Added lots of code
Teemu Piippo <teemu@hecknology.net>
parents:
diff changeset
51 bool invertNext = false;
328
3ea38fd469ca Replace item view with a text editor
Teemu Piippo <teemu.s.piippo@gmail.com>
parents: 327
diff changeset
52 while (not this->stream.atEnd())
3
55a55a9ec2c2 Added lots of code
Teemu Piippo <teemu@hecknology.net>
parents:
diff changeset
53 {
144
5d73a6717321 Fix handling of "BFC INVERTNEXT" with multiple inner whitespaces
Teemu Piippo <teemu@hecknology.net>
parents: 141
diff changeset
54 // Some LDraw parts such as 53588.dat can contain "BFC INVERTNEXT" with multiple inner whitespaces.
5d73a6717321 Fix handling of "BFC INVERTNEXT" with multiple inner whitespaces
Teemu Piippo <teemu@hecknology.net>
parents: 141
diff changeset
55 // So we need to pass the string through QString::simplified to catch these cases.
327
2aa15daa0216 Add copy action
Teemu Piippo <teemu.s.piippo@gmail.com>
parents: 264
diff changeset
56 const QString line = this->readLine().trimmed();
176
cd9d6bf6f649 Simplify parsing (removed header parsing)
Teemu Piippo <teemu@hecknology.net>
parents: 152
diff changeset
57 if (line == "0 BFC INVERTNEXT" or line == "0 BFC CERTIFY INVERTNEXT")
3
55a55a9ec2c2 Added lots of code
Teemu Piippo <teemu@hecknology.net>
parents:
diff changeset
58 {
55a55a9ec2c2 Added lots of code
Teemu Piippo <teemu@hecknology.net>
parents:
diff changeset
59 invertNext = true;
55a55a9ec2c2 Added lots of code
Teemu Piippo <teemu@hecknology.net>
parents:
diff changeset
60 continue;
55a55a9ec2c2 Added lots of code
Teemu Piippo <teemu@hecknology.net>
parents:
diff changeset
61 }
200
ca23936b455b Giant refactor
Teemu Piippo <teemu@hecknology.net>
parents: 183
diff changeset
62 ModelElement element = parseLDrawLine(line);
3
55a55a9ec2c2 Added lots of code
Teemu Piippo <teemu@hecknology.net>
parents:
diff changeset
63 if (invertNext)
55a55a9ec2c2 Added lots of code
Teemu Piippo <teemu@hecknology.net>
parents:
diff changeset
64 {
200
ca23936b455b Giant refactor
Teemu Piippo <teemu@hecknology.net>
parents: 183
diff changeset
65 element = inverted(element);
3
55a55a9ec2c2 Added lots of code
Teemu Piippo <teemu@hecknology.net>
parents:
diff changeset
66 }
200
ca23936b455b Giant refactor
Teemu Piippo <teemu@hecknology.net>
parents: 183
diff changeset
67 model.append(element);
3
55a55a9ec2c2 Added lots of code
Teemu Piippo <teemu@hecknology.net>
parents:
diff changeset
68 invertNext = false;
55a55a9ec2c2 Added lots of code
Teemu Piippo <teemu@hecknology.net>
parents:
diff changeset
69 }
55a55a9ec2c2 Added lots of code
Teemu Piippo <teemu@hecknology.net>
parents:
diff changeset
70 }
55a55a9ec2c2 Added lots of code
Teemu Piippo <teemu@hecknology.net>
parents:
diff changeset
71
35
98906a94732f renamed the linetypes namespace to ldraw namespace and added more structures to it
Teemu Piippo <teemu@hecknology.net>
parents: 33
diff changeset
72 static ldraw::Color colorFromString(const QString& colorString)
4
68988ebc2a68 added regular expressions for the parser
Teemu Piippo <teemu@hecknology.net>
parents: 3
diff changeset
73 {
8
44679e468ba9 major update with many things
Teemu Piippo <teemu@hecknology.net>
parents: 5
diff changeset
74 bool colorSucceeded;
35
98906a94732f renamed the linetypes namespace to ldraw namespace and added more structures to it
Teemu Piippo <teemu@hecknology.net>
parents: 33
diff changeset
75 const ldraw::Color color = {colorString.toInt(&colorSucceeded)};
8
44679e468ba9 major update with many things
Teemu Piippo <teemu@hecknology.net>
parents: 5
diff changeset
76 if (colorSucceeded)
44679e468ba9 major update with many things
Teemu Piippo <teemu@hecknology.net>
parents: 5
diff changeset
77 {
44679e468ba9 major update with many things
Teemu Piippo <teemu@hecknology.net>
parents: 5
diff changeset
78 return color;
44679e468ba9 major update with many things
Teemu Piippo <teemu@hecknology.net>
parents: 5
diff changeset
79 }
44679e468ba9 major update with many things
Teemu Piippo <teemu@hecknology.net>
parents: 5
diff changeset
80 else
4
68988ebc2a68 added regular expressions for the parser
Teemu Piippo <teemu@hecknology.net>
parents: 3
diff changeset
81 {
8
44679e468ba9 major update with many things
Teemu Piippo <teemu@hecknology.net>
parents: 5
diff changeset
82 throw BodyParseError{"colour was not an integer value"};
44679e468ba9 major update with many things
Teemu Piippo <teemu@hecknology.net>
parents: 5
diff changeset
83 }
44679e468ba9 major update with many things
Teemu Piippo <teemu@hecknology.net>
parents: 5
diff changeset
84 }
44679e468ba9 major update with many things
Teemu Piippo <teemu@hecknology.net>
parents: 5
diff changeset
85
33
4c41bfe2ec6e replaced matrix and vertex classes with glm
Teemu Piippo <teemu@hecknology.net>
parents: 26
diff changeset
86 static glm::vec3 vertexFromStrings(
8
44679e468ba9 major update with many things
Teemu Piippo <teemu@hecknology.net>
parents: 5
diff changeset
87 const QStringList& tokens,
44679e468ba9 major update with many things
Teemu Piippo <teemu@hecknology.net>
parents: 5
diff changeset
88 const int startingPosition)
44679e468ba9 major update with many things
Teemu Piippo <teemu@hecknology.net>
parents: 5
diff changeset
89 {
44679e468ba9 major update with many things
Teemu Piippo <teemu@hecknology.net>
parents: 5
diff changeset
90 bool ok_x;
44679e468ba9 major update with many things
Teemu Piippo <teemu@hecknology.net>
parents: 5
diff changeset
91 const float x = tokens[startingPosition].toFloat(&ok_x);
44679e468ba9 major update with many things
Teemu Piippo <teemu@hecknology.net>
parents: 5
diff changeset
92 bool ok_y;
44679e468ba9 major update with many things
Teemu Piippo <teemu@hecknology.net>
parents: 5
diff changeset
93 const float y = tokens[startingPosition + 1].toFloat(&ok_y);
44679e468ba9 major update with many things
Teemu Piippo <teemu@hecknology.net>
parents: 5
diff changeset
94 bool ok_z;
44679e468ba9 major update with many things
Teemu Piippo <teemu@hecknology.net>
parents: 5
diff changeset
95 const float z = tokens[startingPosition + 2].toFloat(&ok_z);
44679e468ba9 major update with many things
Teemu Piippo <teemu@hecknology.net>
parents: 5
diff changeset
96 if (not ok_x or not ok_y or not ok_z)
44679e468ba9 major update with many things
Teemu Piippo <teemu@hecknology.net>
parents: 5
diff changeset
97 {
44679e468ba9 major update with many things
Teemu Piippo <teemu@hecknology.net>
parents: 5
diff changeset
98 throw BodyParseError{"vertex contained illegal co-ordinates"};
44679e468ba9 major update with many things
Teemu Piippo <teemu@hecknology.net>
parents: 5
diff changeset
99 }
44679e468ba9 major update with many things
Teemu Piippo <teemu@hecknology.net>
parents: 5
diff changeset
100 return {x, y, z};
44679e468ba9 major update with many things
Teemu Piippo <teemu@hecknology.net>
parents: 5
diff changeset
101 }
44679e468ba9 major update with many things
Teemu Piippo <teemu@hecknology.net>
parents: 5
diff changeset
102
115
ed884a2fb009 fix too long lines
Teemu Piippo <teemu@hecknology.net>
parents: 105
diff changeset
103 static glm::mat4 matrixFromStrings(
ed884a2fb009 fix too long lines
Teemu Piippo <teemu@hecknology.net>
parents: 105
diff changeset
104 const QStringList& tokens,
ed884a2fb009 fix too long lines
Teemu Piippo <teemu@hecknology.net>
parents: 105
diff changeset
105 const int startingPosition,
ed884a2fb009 fix too long lines
Teemu Piippo <teemu@hecknology.net>
parents: 105
diff changeset
106 const int positionStartingIndex)
8
44679e468ba9 major update with many things
Teemu Piippo <teemu@hecknology.net>
parents: 5
diff changeset
107 {
33
4c41bfe2ec6e replaced matrix and vertex classes with glm
Teemu Piippo <teemu@hecknology.net>
parents: 26
diff changeset
108 glm::mat4 result = glm::mat4{1};
8
44679e468ba9 major update with many things
Teemu Piippo <teemu@hecknology.net>
parents: 5
diff changeset
109 for (int i = 0; i < 9; i += 1)
44679e468ba9 major update with many things
Teemu Piippo <teemu@hecknology.net>
parents: 5
diff changeset
110 {
44679e468ba9 major update with many things
Teemu Piippo <teemu@hecknology.net>
parents: 5
diff changeset
111 const int row = i / 3;
44679e468ba9 major update with many things
Teemu Piippo <teemu@hecknology.net>
parents: 5
diff changeset
112 const int column = i % 3;
44679e468ba9 major update with many things
Teemu Piippo <teemu@hecknology.net>
parents: 5
diff changeset
113 const int index = i + startingPosition;
44679e468ba9 major update with many things
Teemu Piippo <teemu@hecknology.net>
parents: 5
diff changeset
114 if (index >= tokens.size())
4
68988ebc2a68 added regular expressions for the parser
Teemu Piippo <teemu@hecknology.net>
parents: 3
diff changeset
115 {
8
44679e468ba9 major update with many things
Teemu Piippo <teemu@hecknology.net>
parents: 5
diff changeset
116 throw BodyParseError{"too few tokens available"};
44679e468ba9 major update with many things
Teemu Piippo <teemu@hecknology.net>
parents: 5
diff changeset
117 }
44679e468ba9 major update with many things
Teemu Piippo <teemu@hecknology.net>
parents: 5
diff changeset
118 bool ok;
33
4c41bfe2ec6e replaced matrix and vertex classes with glm
Teemu Piippo <teemu@hecknology.net>
parents: 26
diff changeset
119 // note that glm::mat4 is column-major
4c41bfe2ec6e replaced matrix and vertex classes with glm
Teemu Piippo <teemu@hecknology.net>
parents: 26
diff changeset
120 result[column][row] = tokens[index].toFloat(&ok);
4c41bfe2ec6e replaced matrix and vertex classes with glm
Teemu Piippo <teemu@hecknology.net>
parents: 26
diff changeset
121 if (not ok)
4c41bfe2ec6e replaced matrix and vertex classes with glm
Teemu Piippo <teemu@hecknology.net>
parents: 26
diff changeset
122 {
4c41bfe2ec6e replaced matrix and vertex classes with glm
Teemu Piippo <teemu@hecknology.net>
parents: 26
diff changeset
123 throw BodyParseError{"non-numeric values for matrix"};
4c41bfe2ec6e replaced matrix and vertex classes with glm
Teemu Piippo <teemu@hecknology.net>
parents: 26
diff changeset
124 }
4c41bfe2ec6e replaced matrix and vertex classes with glm
Teemu Piippo <teemu@hecknology.net>
parents: 26
diff changeset
125 }
4c41bfe2ec6e replaced matrix and vertex classes with glm
Teemu Piippo <teemu@hecknology.net>
parents: 26
diff changeset
126 for (int i = 0; i < 3; i += 1)
4c41bfe2ec6e replaced matrix and vertex classes with glm
Teemu Piippo <teemu@hecknology.net>
parents: 26
diff changeset
127 {
4c41bfe2ec6e replaced matrix and vertex classes with glm
Teemu Piippo <teemu@hecknology.net>
parents: 26
diff changeset
128 bool ok;
4c41bfe2ec6e replaced matrix and vertex classes with glm
Teemu Piippo <teemu@hecknology.net>
parents: 26
diff changeset
129 const auto value = tokens[i + positionStartingIndex].toFloat(&ok);
4c41bfe2ec6e replaced matrix and vertex classes with glm
Teemu Piippo <teemu@hecknology.net>
parents: 26
diff changeset
130 result[3][i] = value;
8
44679e468ba9 major update with many things
Teemu Piippo <teemu@hecknology.net>
parents: 5
diff changeset
131 if (not ok)
4
68988ebc2a68 added regular expressions for the parser
Teemu Piippo <teemu@hecknology.net>
parents: 3
diff changeset
132 {
8
44679e468ba9 major update with many things
Teemu Piippo <teemu@hecknology.net>
parents: 5
diff changeset
133 throw BodyParseError{"non-numeric values for matrix"};
44679e468ba9 major update with many things
Teemu Piippo <teemu@hecknology.net>
parents: 5
diff changeset
134 }
44679e468ba9 major update with many things
Teemu Piippo <teemu@hecknology.net>
parents: 5
diff changeset
135 }
44679e468ba9 major update with many things
Teemu Piippo <teemu@hecknology.net>
parents: 5
diff changeset
136 return result;
44679e468ba9 major update with many things
Teemu Piippo <teemu@hecknology.net>
parents: 5
diff changeset
137 }
44679e468ba9 major update with many things
Teemu Piippo <teemu@hecknology.net>
parents: 5
diff changeset
138
200
ca23936b455b Giant refactor
Teemu Piippo <teemu@hecknology.net>
parents: 183
diff changeset
139 static Comment parseType0Line(const QString& line)
8
44679e468ba9 major update with many things
Teemu Piippo <teemu@hecknology.net>
parents: 5
diff changeset
140 {
200
ca23936b455b Giant refactor
Teemu Piippo <teemu@hecknology.net>
parents: 183
diff changeset
141 return {line.mid(1).trimmed()};
4
68988ebc2a68 added regular expressions for the parser
Teemu Piippo <teemu@hecknology.net>
parents: 3
diff changeset
142 }
68988ebc2a68 added regular expressions for the parser
Teemu Piippo <teemu@hecknology.net>
parents: 3
diff changeset
143
242
16855456992d Substitute circular primitives in during file parsing
Teemu Piippo <teemu.s.piippo@gmail.com>
parents: 206
diff changeset
144 static ModelElement parseType1Line(const QStringList& tokens)
5
Teemu Piippo <teemu@hecknology.net>
parents: 4
diff changeset
145 {
8
44679e468ba9 major update with many things
Teemu Piippo <teemu@hecknology.net>
parents: 5
diff changeset
146 constexpr int colorPosition = 1;
23
3387a84ddaba fixed a pile of nonsense that caused subfiles to go haywire
Teemu Piippo <teemu@hecknology.net>
parents: 21
diff changeset
147 constexpr int positionPosition = 2; // 2..4
3387a84ddaba fixed a pile of nonsense that caused subfiles to go haywire
Teemu Piippo <teemu@hecknology.net>
parents: 21
diff changeset
148 constexpr int transformPosition = 5; // 5..13
8
44679e468ba9 major update with many things
Teemu Piippo <teemu@hecknology.net>
parents: 5
diff changeset
149 constexpr int namePosition = 14;
44679e468ba9 major update with many things
Teemu Piippo <teemu@hecknology.net>
parents: 5
diff changeset
150 if (tokens.size() != 15)
5
Teemu Piippo <teemu@hecknology.net>
parents: 4
diff changeset
151 {
8
44679e468ba9 major update with many things
Teemu Piippo <teemu@hecknology.net>
parents: 5
diff changeset
152 throw BodyParseError{"wrong amount of tokens in a type-1 line"};
5
Teemu Piippo <teemu@hecknology.net>
parents: 4
diff changeset
153 }
35
98906a94732f renamed the linetypes namespace to ldraw namespace and added more structures to it
Teemu Piippo <teemu@hecknology.net>
parents: 33
diff changeset
154 const ldraw::Color color = colorFromString(tokens[colorPosition]);
33
4c41bfe2ec6e replaced matrix and vertex classes with glm
Teemu Piippo <teemu@hecknology.net>
parents: 26
diff changeset
155 const glm::mat4 transform = matrixFromStrings(tokens, transformPosition, positionPosition);
8
44679e468ba9 major update with many things
Teemu Piippo <teemu@hecknology.net>
parents: 5
diff changeset
156 const QString& name = tokens[namePosition];
242
16855456992d Substitute circular primitives in during file parsing
Teemu Piippo <teemu.s.piippo@gmail.com>
parents: 206
diff changeset
157 static QRegExp re{R"((?:(\d+)\\)?(\d+)-(\d)+([a-z]+)\.dat)"};
16855456992d Substitute circular primitives in during file parsing
Teemu Piippo <teemu.s.piippo@gmail.com>
parents: 206
diff changeset
158 if (re.exactMatch(name)) {
16855456992d Substitute circular primitives in during file parsing
Teemu Piippo <teemu.s.piippo@gmail.com>
parents: 206
diff changeset
159 const auto p = std::find(std::begin(circularPrimitiveStems), std::end(circularPrimitiveStems), re.cap(4));
16855456992d Substitute circular primitives in during file parsing
Teemu Piippo <teemu.s.piippo@gmail.com>
parents: 206
diff changeset
160 const unsigned int divisions = (re.cap(1).isEmpty()) ? 16 : re.cap(1).toUInt();
16855456992d Substitute circular primitives in during file parsing
Teemu Piippo <teemu.s.piippo@gmail.com>
parents: 206
diff changeset
161 const unsigned int segments = re.cap(2).toUInt() * divisions / re.cap(3).toUInt();
16855456992d Substitute circular primitives in during file parsing
Teemu Piippo <teemu.s.piippo@gmail.com>
parents: 206
diff changeset
162 if (p != std::end(circularPrimitiveStems)) {
16855456992d Substitute circular primitives in during file parsing
Teemu Piippo <teemu.s.piippo@gmail.com>
parents: 206
diff changeset
163 const auto type = static_cast<CircularPrimitive::Type>(p - std::begin(circularPrimitiveStems));
16855456992d Substitute circular primitives in during file parsing
Teemu Piippo <teemu.s.piippo@gmail.com>
parents: 206
diff changeset
164 return Colored<CircularPrimitive>{
16855456992d Substitute circular primitives in during file parsing
Teemu Piippo <teemu.s.piippo@gmail.com>
parents: 206
diff changeset
165 CircularPrimitive{
16855456992d Substitute circular primitives in during file parsing
Teemu Piippo <teemu.s.piippo@gmail.com>
parents: 206
diff changeset
166 .type = type,
16855456992d Substitute circular primitives in during file parsing
Teemu Piippo <teemu.s.piippo@gmail.com>
parents: 206
diff changeset
167 .fraction = {segments, divisions},
16855456992d Substitute circular primitives in during file parsing
Teemu Piippo <teemu.s.piippo@gmail.com>
parents: 206
diff changeset
168 .transformation = transform,
16855456992d Substitute circular primitives in during file parsing
Teemu Piippo <teemu.s.piippo@gmail.com>
parents: 206
diff changeset
169 },
16855456992d Substitute circular primitives in during file parsing
Teemu Piippo <teemu.s.piippo@gmail.com>
parents: 206
diff changeset
170 color,
16855456992d Substitute circular primitives in during file parsing
Teemu Piippo <teemu.s.piippo@gmail.com>
parents: 206
diff changeset
171 };
16855456992d Substitute circular primitives in during file parsing
Teemu Piippo <teemu.s.piippo@gmail.com>
parents: 206
diff changeset
172 }
16855456992d Substitute circular primitives in during file parsing
Teemu Piippo <teemu.s.piippo@gmail.com>
parents: 206
diff changeset
173 }
200
ca23936b455b Giant refactor
Teemu Piippo <teemu@hecknology.net>
parents: 183
diff changeset
174 return Colored<SubfileReference>{
ca23936b455b Giant refactor
Teemu Piippo <teemu@hecknology.net>
parents: 183
diff changeset
175 {
ca23936b455b Giant refactor
Teemu Piippo <teemu@hecknology.net>
parents: 183
diff changeset
176 .name = name,
ca23936b455b Giant refactor
Teemu Piippo <teemu@hecknology.net>
parents: 183
diff changeset
177 .transformation = transform,
ca23936b455b Giant refactor
Teemu Piippo <teemu@hecknology.net>
parents: 183
diff changeset
178 },
ca23936b455b Giant refactor
Teemu Piippo <teemu@hecknology.net>
parents: 183
diff changeset
179 color,
ca23936b455b Giant refactor
Teemu Piippo <teemu@hecknology.net>
parents: 183
diff changeset
180 };
5
Teemu Piippo <teemu@hecknology.net>
parents: 4
diff changeset
181 }
Teemu Piippo <teemu@hecknology.net>
parents: 4
diff changeset
182
200
ca23936b455b Giant refactor
Teemu Piippo <teemu@hecknology.net>
parents: 183
diff changeset
183 template<int NumVertices>
ca23936b455b Giant refactor
Teemu Piippo <teemu@hecknology.net>
parents: 183
diff changeset
184 static auto parsePolygon(const QStringList& tokens)
5
Teemu Piippo <teemu@hecknology.net>
parents: 4
diff changeset
185 {
8
44679e468ba9 major update with many things
Teemu Piippo <teemu@hecknology.net>
parents: 5
diff changeset
186 constexpr int colorPosition = 1;
44679e468ba9 major update with many things
Teemu Piippo <teemu@hecknology.net>
parents: 5
diff changeset
187 auto vertexPosition = [](int n) { return 2 + 3*n; };
44679e468ba9 major update with many things
Teemu Piippo <teemu@hecknology.net>
parents: 5
diff changeset
188 if (tokens.size() != 2 + 3 * NumVertices)
44679e468ba9 major update with many things
Teemu Piippo <teemu@hecknology.net>
parents: 5
diff changeset
189 {
44679e468ba9 major update with many things
Teemu Piippo <teemu@hecknology.net>
parents: 5
diff changeset
190 throw BodyParseError{"wrong amount of tokens"};
44679e468ba9 major update with many things
Teemu Piippo <teemu@hecknology.net>
parents: 5
diff changeset
191 }
35
98906a94732f renamed the linetypes namespace to ldraw namespace and added more structures to it
Teemu Piippo <teemu@hecknology.net>
parents: 33
diff changeset
192 const ldraw::Color color = colorFromString(tokens[colorPosition]);
77
028798a72591 added some meta stuff, simplified quadrilateral splitting and tested it
Teemu Piippo <teemu@hecknology.net>
parents: 35
diff changeset
193 std::array<glm::vec3, NumVertices> vertices;
8
44679e468ba9 major update with many things
Teemu Piippo <teemu@hecknology.net>
parents: 5
diff changeset
194 for (int i = 0; i < NumVertices; i += 1)
44679e468ba9 major update with many things
Teemu Piippo <teemu@hecknology.net>
parents: 5
diff changeset
195 {
77
028798a72591 added some meta stuff, simplified quadrilateral splitting and tested it
Teemu Piippo <teemu@hecknology.net>
parents: 35
diff changeset
196 vertices[unsigned_cast(i)] = vertexFromStrings(tokens, vertexPosition(i));
8
44679e468ba9 major update with many things
Teemu Piippo <teemu@hecknology.net>
parents: 5
diff changeset
197 }
200
ca23936b455b Giant refactor
Teemu Piippo <teemu@hecknology.net>
parents: 183
diff changeset
198 return std::make_pair(vertices, color);
8
44679e468ba9 major update with many things
Teemu Piippo <teemu@hecknology.net>
parents: 5
diff changeset
199 }
44679e468ba9 major update with many things
Teemu Piippo <teemu@hecknology.net>
parents: 5
diff changeset
200
200
ca23936b455b Giant refactor
Teemu Piippo <teemu@hecknology.net>
parents: 183
diff changeset
201 ModelElement parseLDrawLine(QString line)
8
44679e468ba9 major update with many things
Teemu Piippo <teemu@hecknology.net>
parents: 5
diff changeset
202 {
44679e468ba9 major update with many things
Teemu Piippo <teemu@hecknology.net>
parents: 5
diff changeset
203 try
5
Teemu Piippo <teemu@hecknology.net>
parents: 4
diff changeset
204 {
259
c27612f0eac0 - Made it build under Qt6
Teemu Piippo <teemu.s.piippo@gmail.com>
parents: 242
diff changeset
205 const QStringList tokens = line.simplified().split(" ");
12
fe67489523b5 added dependency loading
Teemu Piippo <teemu@hecknology.net>
parents: 8
diff changeset
206 if (tokens.empty() or tokens == QStringList{{""}})
8
44679e468ba9 major update with many things
Teemu Piippo <teemu@hecknology.net>
parents: 5
diff changeset
207 {
200
ca23936b455b Giant refactor
Teemu Piippo <teemu@hecknology.net>
parents: 183
diff changeset
208 return Empty{};
8
44679e468ba9 major update with many things
Teemu Piippo <teemu@hecknology.net>
parents: 5
diff changeset
209 }
44679e468ba9 major update with many things
Teemu Piippo <teemu@hecknology.net>
parents: 5
diff changeset
210 bool ok_code;
44679e468ba9 major update with many things
Teemu Piippo <teemu@hecknology.net>
parents: 5
diff changeset
211 const int code = tokens[0].toInt(&ok_code);
44679e468ba9 major update with many things
Teemu Piippo <teemu@hecknology.net>
parents: 5
diff changeset
212 if (not ok_code)
44679e468ba9 major update with many things
Teemu Piippo <teemu@hecknology.net>
parents: 5
diff changeset
213 {
206
654661eab7f3 More refactor, merged main.h, basics.h and utility.h into one header file basics.h and removed plenty of unused code
Teemu Piippo <teemu@hecknology.net>
parents: 201
diff changeset
214 throw BodyParseError{QObject::tr("line type was not an integer")};
8
44679e468ba9 major update with many things
Teemu Piippo <teemu@hecknology.net>
parents: 5
diff changeset
215 }
44679e468ba9 major update with many things
Teemu Piippo <teemu@hecknology.net>
parents: 5
diff changeset
216 switch (code)
44679e468ba9 major update with many things
Teemu Piippo <teemu@hecknology.net>
parents: 5
diff changeset
217 {
44679e468ba9 major update with many things
Teemu Piippo <teemu@hecknology.net>
parents: 5
diff changeset
218 case 0:
200
ca23936b455b Giant refactor
Teemu Piippo <teemu@hecknology.net>
parents: 183
diff changeset
219 return parseType0Line(line);
8
44679e468ba9 major update with many things
Teemu Piippo <teemu@hecknology.net>
parents: 5
diff changeset
220 case 1:
200
ca23936b455b Giant refactor
Teemu Piippo <teemu@hecknology.net>
parents: 183
diff changeset
221 return parseType1Line(tokens);
8
44679e468ba9 major update with many things
Teemu Piippo <teemu@hecknology.net>
parents: 5
diff changeset
222 case 2:
200
ca23936b455b Giant refactor
Teemu Piippo <teemu@hecknology.net>
parents: 183
diff changeset
223 {
ca23936b455b Giant refactor
Teemu Piippo <teemu@hecknology.net>
parents: 183
diff changeset
224 const auto pair = parsePolygon<2>(tokens);
ca23936b455b Giant refactor
Teemu Piippo <teemu@hecknology.net>
parents: 183
diff changeset
225 return Colored<LineSegment>{{pair.first[0], pair.first[1]}, pair.second};
ca23936b455b Giant refactor
Teemu Piippo <teemu@hecknology.net>
parents: 183
diff changeset
226 }
8
44679e468ba9 major update with many things
Teemu Piippo <teemu@hecknology.net>
parents: 5
diff changeset
227 case 3:
200
ca23936b455b Giant refactor
Teemu Piippo <teemu@hecknology.net>
parents: 183
diff changeset
228 {
ca23936b455b Giant refactor
Teemu Piippo <teemu@hecknology.net>
parents: 183
diff changeset
229 const auto pair = parsePolygon<3>(tokens);
ca23936b455b Giant refactor
Teemu Piippo <teemu@hecknology.net>
parents: 183
diff changeset
230 return Colored<Triangle>{{pair.first[0], pair.first[1], pair.first[2]}, pair.second
ca23936b455b Giant refactor
Teemu Piippo <teemu@hecknology.net>
parents: 183
diff changeset
231 };
ca23936b455b Giant refactor
Teemu Piippo <teemu@hecknology.net>
parents: 183
diff changeset
232 }
8
44679e468ba9 major update with many things
Teemu Piippo <teemu@hecknology.net>
parents: 5
diff changeset
233 case 4:
200
ca23936b455b Giant refactor
Teemu Piippo <teemu@hecknology.net>
parents: 183
diff changeset
234 {
ca23936b455b Giant refactor
Teemu Piippo <teemu@hecknology.net>
parents: 183
diff changeset
235 const auto pair = parsePolygon<4>(tokens);
ca23936b455b Giant refactor
Teemu Piippo <teemu@hecknology.net>
parents: 183
diff changeset
236 const Quadrilateral quad{pair.first[0], pair.first[1], pair.first[2], pair.first[3]};
ca23936b455b Giant refactor
Teemu Piippo <teemu@hecknology.net>
parents: 183
diff changeset
237 return Colored<Quadrilateral>{quad, pair.second};
ca23936b455b Giant refactor
Teemu Piippo <teemu@hecknology.net>
parents: 183
diff changeset
238 }
8
44679e468ba9 major update with many things
Teemu Piippo <teemu@hecknology.net>
parents: 5
diff changeset
239 case 5:
200
ca23936b455b Giant refactor
Teemu Piippo <teemu@hecknology.net>
parents: 183
diff changeset
240 {
ca23936b455b Giant refactor
Teemu Piippo <teemu@hecknology.net>
parents: 183
diff changeset
241 const auto pair = parsePolygon<4>(tokens);
ca23936b455b Giant refactor
Teemu Piippo <teemu@hecknology.net>
parents: 183
diff changeset
242 const ConditionalEdge cedge{pair.first[0], pair.first[1], pair.first[2], pair.first[3]};
ca23936b455b Giant refactor
Teemu Piippo <teemu@hecknology.net>
parents: 183
diff changeset
243 return Colored<ConditionalEdge>{cedge, pair.second};
ca23936b455b Giant refactor
Teemu Piippo <teemu@hecknology.net>
parents: 183
diff changeset
244 }
8
44679e468ba9 major update with many things
Teemu Piippo <teemu@hecknology.net>
parents: 5
diff changeset
245 default:
206
654661eab7f3 More refactor, merged main.h, basics.h and utility.h into one header file basics.h and removed plenty of unused code
Teemu Piippo <teemu@hecknology.net>
parents: 201
diff changeset
246 throw BodyParseError{QObject::tr("bad line type '%1'").arg(code)};
8
44679e468ba9 major update with many things
Teemu Piippo <teemu@hecknology.net>
parents: 5
diff changeset
247 }
5
Teemu Piippo <teemu@hecknology.net>
parents: 4
diff changeset
248 }
8
44679e468ba9 major update with many things
Teemu Piippo <teemu@hecknology.net>
parents: 5
diff changeset
249 catch(const BodyParseError& error)
5
Teemu Piippo <teemu@hecknology.net>
parents: 4
diff changeset
250 {
200
ca23936b455b Giant refactor
Teemu Piippo <teemu@hecknology.net>
parents: 183
diff changeset
251 return ParseError{line};
5
Teemu Piippo <teemu@hecknology.net>
parents: 4
diff changeset
252 }
Teemu Piippo <teemu@hecknology.net>
parents: 4
diff changeset
253 }

mercurial