comparison: src/ldconfig.cc
src/ldconfig.cc
- changeset 667
- 31540c1f22ea
- parent 609
- a8dc74a809c6
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| 666:c595cfb4791c | 667:31540c1f22ea |
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| 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 "gui.h" | |
| 23 #include "misc.h" | |
| 24 #include "colors.h" | |
| 25 | |
| 26 // ============================================================================= | |
| 27 // Helper function for parseLDConfig | |
| 28 // ----------------------------------------------------------------------------- | |
| 29 static bool parseLDConfigTag (LDConfigParser& pars, char const* tag, QString& val) | |
| 30 { | |
| 31 int pos; | |
| 32 | |
| 33 // Try find the token and get its position | |
| 34 if (!pars.findToken (pos, tag, 1)) | |
| 35 return false; | |
| 36 | |
| 37 // Get the token after it and store it into val | |
| 38 return pars.getToken (val, pos + 1); | |
| 39 } | |
| 40 | |
| 41 // ============================================================================= | |
| 42 // ----------------------------------------------------------------------------- | |
| 43 void parseLDConfig() | |
| 44 { | |
| 45 QFile* fp = openLDrawFile ("LDConfig.ldr", false); | |
| 46 | |
| 47 if (!fp) | |
| 48 { | |
| 49 critical (QObject::tr ("Unable to open LDConfig.ldr for parsing.")); | |
| 50 return; | |
| 51 } | |
| 52 | |
| 53 // Read in the lines | |
| 54 while (fp->atEnd() == false) | |
| 55 { | |
| 56 QString line = QString::fromUtf8 (fp->readLine()); | |
| 57 | |
| 58 if (line.isEmpty() || line[0] != '0') | |
| 59 continue; // empty or illogical | |
| 60 | |
| 61 line.remove ('\r'); | |
| 62 line.remove ('\n'); | |
| 63 | |
| 64 // Parse the line | |
| 65 LDConfigParser pars (line, ' '); | |
| 66 | |
| 67 int code = 0, alpha = 255; | |
| 68 QString name, facename, edgename, valuestr; | |
| 69 | |
| 70 // Check 0 !COLOUR, parse the name | |
| 71 if (!pars.tokenCompare (0, "0") || !pars.tokenCompare (1, "!COLOUR") || !pars.getToken (name, 2)) | |
| 72 continue; | |
| 73 | |
| 74 // Replace underscores in the name with spaces for readability | |
| 75 name.replace ("_", " "); | |
| 76 | |
| 77 // Get the CODE tag | |
| 78 if (!parseLDConfigTag (pars, "CODE", valuestr)) | |
| 79 continue; | |
| 80 | |
| 81 if (!numeric (valuestr)) | |
| 82 continue; // not a number | |
| 83 | |
| 84 // Ensure that the code is within [0 - 511] | |
| 85 bool ok; | |
| 86 code = valuestr.toShort (&ok); | |
| 87 | |
| 88 if (!ok || code < 0 || code >= 512) | |
| 89 continue; | |
| 90 | |
| 91 // VALUE and EDGE tags | |
| 92 if (!parseLDConfigTag (pars, "VALUE", facename) || !parseLDConfigTag (pars, "EDGE", edgename)) | |
| 93 continue; | |
| 94 | |
| 95 // Ensure that our colors are correct | |
| 96 QColor faceColor (facename), | |
| 97 edgeColor (edgename); | |
| 98 | |
| 99 if (!faceColor.isValid() || !edgeColor.isValid()) | |
| 100 continue; | |
| 101 | |
| 102 // Parse alpha if given. | |
| 103 if (parseLDConfigTag (pars, "ALPHA", valuestr)) | |
| 104 alpha = clamp (valuestr.toInt(), 0, 255); | |
| 105 | |
| 106 LDColor* col = new LDColor; | |
| 107 col->name = name; | |
| 108 col->faceColor = faceColor; | |
| 109 col->edgeColor = edgeColor; | |
| 110 col->hexcode = facename; | |
| 111 col->faceColor.setAlpha (alpha); | |
| 112 col->index = code; | |
| 113 setColor (code, col); | |
| 114 } | |
| 115 | |
| 116 fp->close(); | |
| 117 fp->deleteLater(); | |
| 118 } | |
| 119 | |
| 120 // ============================================================================= | |
| 121 // ----------------------------------------------------------------------------- | |
| 122 LDConfigParser::LDConfigParser (QString inText, char sep) | |
| 123 { | |
| 124 m_tokens = inText.split (sep, QString::SkipEmptyParts); | |
| 125 m_pos = -1; | |
| 126 } | |
| 127 | |
| 128 // ============================================================================= | |
| 129 // ----------------------------------------------------------------------------- | |
| 130 bool LDConfigParser::isAtBeginning() | |
| 131 { | |
| 132 return m_pos == -1; | |
| 133 } | |
| 134 | |
| 135 // ============================================================================= | |
| 136 // ----------------------------------------------------------------------------- | |
| 137 bool LDConfigParser::isAtEnd() | |
| 138 { | |
| 139 return m_pos == m_tokens.size() - 1; | |
| 140 } | |
| 141 | |
| 142 // ============================================================================= | |
| 143 // ----------------------------------------------------------------------------- | |
| 144 bool LDConfigParser::getToken (QString& val, const int pos) | |
| 145 { | |
| 146 if (pos >= m_tokens.size()) | |
| 147 return false; | |
| 148 | |
| 149 val = m_tokens[pos]; | |
| 150 return true; | |
| 151 } | |
| 152 | |
| 153 // ============================================================================= | |
| 154 // ----------------------------------------------------------------------------- | |
| 155 bool LDConfigParser::getNextToken (QString& val) | |
| 156 { | |
| 157 return getToken (val, ++m_pos); | |
| 158 } | |
| 159 | |
| 160 // ============================================================================= | |
| 161 // ----------------------------------------------------------------------------- | |
| 162 bool LDConfigParser::peekNextToken (QString& val) | |
| 163 { | |
| 164 return getToken (val, m_pos + 1); | |
| 165 } | |
| 166 | |
| 167 // ============================================================================= | |
| 168 // ----------------------------------------------------------------------------- | |
| 169 bool LDConfigParser::findToken (int& result, char const* needle, int args) | |
| 170 { | |
| 171 for (int i = 0; i < (m_tokens.size() - args); ++i) | |
| 172 { | |
| 173 if (m_tokens[i] == needle) | |
| 174 { | |
| 175 result = i; | |
| 176 return true; | |
| 177 } | |
| 178 } | |
| 179 | |
| 180 return false; | |
| 181 } | |
| 182 | |
| 183 // ============================================================================= | |
| 184 // ----------------------------------------------------------------------------- | |
| 185 void LDConfigParser::rewind() | |
| 186 { | |
| 187 m_pos = -1; | |
| 188 } | |
| 189 | |
| 190 // ============================================================================= | |
| 191 // ----------------------------------------------------------------------------- | |
| 192 void LDConfigParser::seek (int amount, bool rel) | |
| 193 { | |
| 194 m_pos = (rel ? m_pos : 0) + amount; | |
| 195 } | |
| 196 | |
| 197 // ============================================================================= | |
| 198 // ----------------------------------------------------------------------------- | |
| 199 int LDConfigParser::getSize() | |
| 200 { | |
| 201 return m_tokens.size(); | |
| 202 } | |
| 203 | |
| 204 // ============================================================================= | |
| 205 // ----------------------------------------------------------------------------- | |
| 206 bool LDConfigParser::tokenCompare (int inPos, const char* sOther) | |
| 207 { | |
| 208 QString tok; | |
| 209 | |
| 210 if (!getToken (tok, inPos)) | |
| 211 return false; | |
| 212 | |
| 213 return (tok == sOther); | |
| 214 } |
