comparison: src/LDConfig.cc
src/LDConfig.cc
- changeset 655
- b376645315ab
- parent 654
- a74f2ff353b8
- child 656
- 2a1c204df14d
- child 706
- d79083b9f74d
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| 654:a74f2ff353b8 | 655:b376645315ab |
|---|---|
| 1 /* | |
| 2 * LDForge: LDraw parts authoring CAD | |
| 3 * Copyright (C) 2013, 2014 Santeri Piippo | |
| 4 * | |
| 5 * This program is free software: you can redistribute it and/or modify | |
| 6 * it under the terms of the GNU General Public License as published by | |
| 7 * the Free Software Foundation, either version 3 of the License, or | |
| 8 * (at your option) any later version. | |
| 9 * | |
| 10 * This program 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 this program. If not, see <http://www.gnu.org/licenses/>. | |
| 17 */ | |
| 18 | |
| 19 #include <QFile> | |
| 20 #include "Document.h" | |
| 21 #include "LDConfig.h" | |
| 22 #include "MainWindow.h" | |
| 23 #include "Misc.h" | |
| 24 #include "Colors.h" | |
| 25 | |
| 26 // ============================================================================= | |
| 27 // | |
| 28 // Helper function for parseLDConfig | |
| 29 // | |
| 30 static bool parseLDConfigTag (LDConfigParser& pars, char const* tag, QString& val) | |
| 31 { | |
| 32 int pos; | |
| 33 | |
| 34 // Try find the token and get its position | |
| 35 if (!pars.findToken (pos, tag, 1)) | |
| 36 return false; | |
| 37 | |
| 38 // Get the token after it and store it into val | |
| 39 return pars.getToken (val, pos + 1); | |
| 40 } | |
| 41 | |
| 42 // ============================================================================= | |
| 43 // | |
| 44 void parseLDConfig() | |
| 45 { | |
| 46 QFile* fp = openLDrawFile ("LDConfig.ldr", false); | |
| 47 | |
| 48 if (!fp) | |
| 49 { | |
| 50 critical (QObject::tr ("Unable to open LDConfig.ldr for parsing.")); | |
| 51 return; | |
| 52 } | |
| 53 | |
| 54 // Read in the lines | |
| 55 while (fp->atEnd() == false) | |
| 56 { | |
| 57 QString line = QString::fromUtf8 (fp->readLine()); | |
| 58 | |
| 59 if (line.isEmpty() || line[0] != '0') | |
| 60 continue; // empty or illogical | |
| 61 | |
| 62 line.remove ('\r'); | |
| 63 line.remove ('\n'); | |
| 64 | |
| 65 // Parse the line | |
| 66 LDConfigParser pars (line, ' '); | |
| 67 | |
| 68 int code = 0, alpha = 255; | |
| 69 QString name, facename, edgename, valuestr; | |
| 70 | |
| 71 // Check 0 !COLOUR, parse the name | |
| 72 if (!pars.tokenCompare (0, "0") || !pars.tokenCompare (1, "!COLOUR") || !pars.getToken (name, 2)) | |
| 73 continue; | |
| 74 | |
| 75 // Replace underscores in the name with spaces for readability | |
| 76 name.replace ("_", " "); | |
| 77 | |
| 78 // Get the CODE tag | |
| 79 if (!parseLDConfigTag (pars, "CODE", valuestr)) | |
| 80 continue; | |
| 81 | |
| 82 if (!numeric (valuestr)) | |
| 83 continue; // not a number | |
| 84 | |
| 85 // Ensure that the code is within [0 - 511] | |
| 86 bool ok; | |
| 87 code = valuestr.toShort (&ok); | |
| 88 | |
| 89 if (!ok || code < 0 || code >= 512) | |
| 90 continue; | |
| 91 | |
| 92 // VALUE and EDGE tags | |
| 93 if (!parseLDConfigTag (pars, "VALUE", facename) || !parseLDConfigTag (pars, "EDGE", edgename)) | |
| 94 continue; | |
| 95 | |
| 96 // Ensure that our colors are correct | |
| 97 QColor faceColor (facename), | |
| 98 edgeColor (edgename); | |
| 99 | |
| 100 if (!faceColor.isValid() || !edgeColor.isValid()) | |
| 101 continue; | |
| 102 | |
| 103 // Parse alpha if given. | |
| 104 if (parseLDConfigTag (pars, "ALPHA", valuestr)) | |
| 105 alpha = clamp (valuestr.toInt(), 0, 255); | |
| 106 | |
| 107 LDColor* col = new LDColor; | |
| 108 col->name = name; | |
| 109 col->faceColor = faceColor; | |
| 110 col->edgeColor = edgeColor; | |
| 111 col->hexcode = facename; | |
| 112 col->faceColor.setAlpha (alpha); | |
| 113 col->index = code; | |
| 114 setColor (code, col); | |
| 115 } | |
| 116 | |
| 117 fp->close(); | |
| 118 fp->deleteLater(); | |
| 119 } | |
| 120 | |
| 121 // ============================================================================= | |
| 122 // | |
| 123 LDConfigParser::LDConfigParser (QString inText, char sep) | |
| 124 { | |
| 125 m_tokens = inText.split (sep, QString::SkipEmptyParts); | |
| 126 m_pos = -1; | |
| 127 } | |
| 128 | |
| 129 // ============================================================================= | |
| 130 // | |
| 131 bool LDConfigParser::isAtBeginning() | |
| 132 { | |
| 133 return m_pos == -1; | |
| 134 } | |
| 135 | |
| 136 // ============================================================================= | |
| 137 // | |
| 138 bool LDConfigParser::isAtEnd() | |
| 139 { | |
| 140 return m_pos == m_tokens.size() - 1; | |
| 141 } | |
| 142 | |
| 143 // ============================================================================= | |
| 144 // | |
| 145 bool LDConfigParser::getToken (QString& val, const int pos) | |
| 146 { | |
| 147 if (pos >= m_tokens.size()) | |
| 148 return false; | |
| 149 | |
| 150 val = m_tokens[pos]; | |
| 151 return true; | |
| 152 } | |
| 153 | |
| 154 // ============================================================================= | |
| 155 // | |
| 156 bool LDConfigParser::getNextToken (QString& val) | |
| 157 { | |
| 158 return getToken (val, ++m_pos); | |
| 159 } | |
| 160 | |
| 161 // ============================================================================= | |
| 162 // | |
| 163 bool LDConfigParser::peekNextToken (QString& val) | |
| 164 { | |
| 165 return getToken (val, m_pos + 1); | |
| 166 } | |
| 167 | |
| 168 // ============================================================================= | |
| 169 // | |
| 170 bool LDConfigParser::findToken (int& result, char const* needle, int args) | |
| 171 { | |
| 172 for (int i = 0; i < (m_tokens.size() - args); ++i) | |
| 173 { | |
| 174 if (m_tokens[i] == needle) | |
| 175 { | |
| 176 result = i; | |
| 177 return true; | |
| 178 } | |
| 179 } | |
| 180 | |
| 181 return false; | |
| 182 } | |
| 183 | |
| 184 // ============================================================================= | |
| 185 // | |
| 186 void LDConfigParser::rewind() | |
| 187 { | |
| 188 m_pos = -1; | |
| 189 } | |
| 190 | |
| 191 // ============================================================================= | |
| 192 // | |
| 193 void LDConfigParser::seek (int amount, bool rel) | |
| 194 { | |
| 195 m_pos = (rel ? m_pos : 0) + amount; | |
| 196 } | |
| 197 | |
| 198 // ============================================================================= | |
| 199 // | |
| 200 int LDConfigParser::getSize() | |
| 201 { | |
| 202 return m_tokens.size(); | |
| 203 } | |
| 204 | |
| 205 // ============================================================================= | |
| 206 // | |
| 207 bool LDConfigParser::tokenCompare (int inPos, const char* sOther) | |
| 208 { | |
| 209 QString tok; | |
| 210 | |
| 211 if (!getToken (tok, inPos)) | |
| 212 return false; | |
| 213 | |
| 214 return (tok == sOther); | |
| 215 } |
