comparison: src/ldconfig.cpp
src/ldconfig.cpp
- changeset 557
- 04e140bdeb0b
- parent 556
- 5f4395ec5db0
- child 558
- 5f6e30e0450c
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| 556:5f4395ec5db0 | 557:04e140bdeb0b |
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| 1 /* | |
| 2 * LDForge: LDraw parts authoring CAD | |
| 3 * Copyright (C) 2013 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 "document.h" | |
| 20 #include "ldconfig.h" | |
| 21 #include "gui.h" | |
| 22 #include "misc.h" | |
| 23 #include "colors.h" | |
| 24 | |
| 25 // ============================================================================= | |
| 26 // Helper function for parseLDConfig | |
| 27 // ----------------------------------------------------------------------------- | |
| 28 static bool parseLDConfigTag (LDConfigParser& pars, char const* tag, str& val) | |
| 29 { int pos; | |
| 30 | |
| 31 // Try find the token and get its position | |
| 32 if (!pars.findToken (pos, tag, 1)) | |
| 33 return false; | |
| 34 | |
| 35 // Get the token after it and store it into val | |
| 36 return pars.getToken (val, pos + 1); | |
| 37 } | |
| 38 | |
| 39 // ============================================================================= | |
| 40 // ----------------------------------------------------------------------------- | |
| 41 void parseLDConfig() | |
| 42 { File* f = openLDrawFile ("LDConfig.ldr", false); | |
| 43 | |
| 44 if (!f) | |
| 45 { critical (fmt (QObject::tr ("Unable to open LDConfig.ldr for parsing: %1"), | |
| 46 strerror (errno))); | |
| 47 return; | |
| 48 } | |
| 49 | |
| 50 // Read in the lines | |
| 51 for (str line : *f) | |
| 52 { if (line.length() == 0 || line[0] != '0') | |
| 53 continue; // empty or illogical | |
| 54 | |
| 55 line.remove ('\r'); | |
| 56 line.remove ('\n'); | |
| 57 | |
| 58 // Parse the line | |
| 59 LDConfigParser pars (line, ' '); | |
| 60 | |
| 61 int code = 0, alpha = 255; | |
| 62 str name, facename, edgename, valuestr; | |
| 63 | |
| 64 // Check 0 !COLOUR, parse the name | |
| 65 if (!pars.tokenCompare (0, "0") || !pars.tokenCompare (1, "!COLOUR") || !pars.getToken (name, 2)) | |
| 66 continue; | |
| 67 | |
| 68 // Replace underscores in the name with spaces for readability | |
| 69 name.replace ("_", " "); | |
| 70 | |
| 71 // Get the CODE tag | |
| 72 if (!parseLDConfigTag (pars, "CODE", valuestr)) | |
| 73 continue; | |
| 74 | |
| 75 if (!numeric (valuestr)) | |
| 76 continue; // not a number | |
| 77 | |
| 78 // Ensure that the code is within [0 - 511] | |
| 79 bool ok; | |
| 80 code = valuestr.toShort (&ok); | |
| 81 | |
| 82 if (!ok || code < 0 || code >= 512) | |
| 83 continue; | |
| 84 | |
| 85 // VALUE and EDGE tags | |
| 86 if (!parseLDConfigTag (pars, "VALUE", facename) || !parseLDConfigTag (pars, "EDGE", edgename)) | |
| 87 continue; | |
| 88 | |
| 89 // Ensure that our colors are correct | |
| 90 QColor faceColor (facename), | |
| 91 edgeColor (edgename); | |
| 92 | |
| 93 if (!faceColor.isValid() || !edgeColor.isValid()) | |
| 94 continue; | |
| 95 | |
| 96 // Parse alpha if given. | |
| 97 if (parseLDConfigTag (pars, "ALPHA", valuestr)) | |
| 98 alpha = clamp (valuestr.toInt(), 0, 255); | |
| 99 | |
| 100 LDColor* col = new LDColor; | |
| 101 col->name = name; | |
| 102 col->faceColor = faceColor; | |
| 103 col->edgeColor = edgeColor; | |
| 104 col->hexcode = facename; | |
| 105 col->faceColor.setAlpha (alpha); | |
| 106 col->index = code; | |
| 107 setColor (code, col); | |
| 108 } | |
| 109 | |
| 110 delete f; | |
| 111 } | |
| 112 | |
| 113 // ============================================================================= | |
| 114 // ----------------------------------------------------------------------------- | |
| 115 LDConfigParser::LDConfigParser (str inText, char sep) | |
| 116 { m_tokens = inText.split (sep, QString::SkipEmptyParts); | |
| 117 m_pos = -1; | |
| 118 } | |
| 119 | |
| 120 // ============================================================================= | |
| 121 // ----------------------------------------------------------------------------- | |
| 122 bool LDConfigParser::isAtBeginning() | |
| 123 { return m_pos == -1; | |
| 124 } | |
| 125 | |
| 126 // ============================================================================= | |
| 127 // ----------------------------------------------------------------------------- | |
| 128 bool LDConfigParser::isAtEnd() | |
| 129 { return m_pos == m_tokens.size() - 1; | |
| 130 } | |
| 131 | |
| 132 // ============================================================================= | |
| 133 // ----------------------------------------------------------------------------- | |
| 134 bool LDConfigParser::getToken (str& val, const int pos) | |
| 135 { if (pos >= m_tokens.size()) | |
| 136 return false; | |
| 137 | |
| 138 val = m_tokens[pos]; | |
| 139 return true; | |
| 140 } | |
| 141 | |
| 142 // ============================================================================= | |
| 143 // ----------------------------------------------------------------------------- | |
| 144 bool LDConfigParser::getNextToken (str& val) | |
| 145 { return getToken (val, ++m_pos); | |
| 146 } | |
| 147 | |
| 148 // ============================================================================= | |
| 149 // ----------------------------------------------------------------------------- | |
| 150 bool LDConfigParser::peekNextToken (str& val) | |
| 151 { return getToken (val, m_pos + 1); | |
| 152 } | |
| 153 | |
| 154 // ============================================================================= | |
| 155 // ----------------------------------------------------------------------------- | |
| 156 bool LDConfigParser::findToken (int& result, char const* needle, int args) | |
| 157 { for (int i = 0; i < (m_tokens.size() - args); ++i) | |
| 158 { if (m_tokens[i] == needle) | |
| 159 { result = i; | |
| 160 return true; | |
| 161 } | |
| 162 } | |
| 163 | |
| 164 return false; | |
| 165 } | |
| 166 | |
| 167 // ============================================================================= | |
| 168 // ----------------------------------------------------------------------------- | |
| 169 void LDConfigParser::rewind() | |
| 170 { m_pos = -1; | |
| 171 } | |
| 172 | |
| 173 // ============================================================================= | |
| 174 // ----------------------------------------------------------------------------- | |
| 175 void LDConfigParser::seek (int amount, bool rel) | |
| 176 { m_pos = (rel ? m_pos : 0) + amount; | |
| 177 } | |
| 178 | |
| 179 // ============================================================================= | |
| 180 // ----------------------------------------------------------------------------- | |
| 181 int LDConfigParser::getSize() | |
| 182 { return m_tokens.size(); | |
| 183 } | |
| 184 | |
| 185 // ============================================================================= | |
| 186 // ----------------------------------------------------------------------------- | |
| 187 bool LDConfigParser::tokenCompare (int inPos, const char* sOther) | |
| 188 { str tok; | |
| 189 | |
| 190 if (!getToken (tok, inPos)) | |
| 191 return false; | |
| 192 | |
| 193 return (tok == sOther); | |
| 194 } |
