--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/src/ldconfig.cc Fri Dec 13 20:01:49 2013 +0200
@@ -0,0 +1,194 @@
+/*
+ * LDForge: LDraw parts authoring CAD
+ * Copyright (C) 2013 Santeri Piippo
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include "document.h"
+#include "ldconfig.h"
+#include "gui.h"
+#include "misc.h"
+#include "colors.h"
+
+// =============================================================================
+// Helper function for parseLDConfig
+// -----------------------------------------------------------------------------
+static bool parseLDConfigTag (LDConfigParser& pars, char const* tag, str& val)
+{ int pos;
+
+ // Try find the token and get its position
+ if (!pars.findToken (pos, tag, 1))
+ return false;
+
+ // Get the token after it and store it into val
+ return pars.getToken (val, pos + 1);
+}
+
+// =============================================================================
+// -----------------------------------------------------------------------------
+void parseLDConfig()
+{ File* f = openLDrawFile ("LDConfig.ldr", false);
+
+ if (!f)
+ { critical (fmt (QObject::tr ("Unable to open LDConfig.ldr for parsing: %1"),
+ strerror (errno)));
+ return;
+ }
+
+ // Read in the lines
+ for (str line : *f)
+ { if (line.length() == 0 || line[0] != '0')
+ continue; // empty or illogical
+
+ line.remove ('\r');
+ line.remove ('\n');
+
+ // Parse the line
+ LDConfigParser pars (line, ' ');
+
+ int code = 0, alpha = 255;
+ str name, facename, edgename, valuestr;
+
+ // Check 0 !COLOUR, parse the name
+ if (!pars.tokenCompare (0, "0") || !pars.tokenCompare (1, "!COLOUR") || !pars.getToken (name, 2))
+ continue;
+
+ // Replace underscores in the name with spaces for readability
+ name.replace ("_", " ");
+
+ // Get the CODE tag
+ if (!parseLDConfigTag (pars, "CODE", valuestr))
+ continue;
+
+ if (!numeric (valuestr))
+ continue; // not a number
+
+ // Ensure that the code is within [0 - 511]
+ bool ok;
+ code = valuestr.toShort (&ok);
+
+ if (!ok || code < 0 || code >= 512)
+ continue;
+
+ // VALUE and EDGE tags
+ if (!parseLDConfigTag (pars, "VALUE", facename) || !parseLDConfigTag (pars, "EDGE", edgename))
+ continue;
+
+ // Ensure that our colors are correct
+ QColor faceColor (facename),
+ edgeColor (edgename);
+
+ if (!faceColor.isValid() || !edgeColor.isValid())
+ continue;
+
+ // Parse alpha if given.
+ if (parseLDConfigTag (pars, "ALPHA", valuestr))
+ alpha = clamp (valuestr.toInt(), 0, 255);
+
+ LDColor* col = new LDColor;
+ col->name = name;
+ col->faceColor = faceColor;
+ col->edgeColor = edgeColor;
+ col->hexcode = facename;
+ col->faceColor.setAlpha (alpha);
+ col->index = code;
+ setColor (code, col);
+ }
+
+ delete f;
+}
+
+// =============================================================================
+// -----------------------------------------------------------------------------
+LDConfigParser::LDConfigParser (str inText, char sep)
+{ m_tokens = inText.split (sep, QString::SkipEmptyParts);
+ m_pos = -1;
+}
+
+// =============================================================================
+// -----------------------------------------------------------------------------
+bool LDConfigParser::isAtBeginning()
+{ return m_pos == -1;
+}
+
+// =============================================================================
+// -----------------------------------------------------------------------------
+bool LDConfigParser::isAtEnd()
+{ return m_pos == m_tokens.size() - 1;
+}
+
+// =============================================================================
+// -----------------------------------------------------------------------------
+bool LDConfigParser::getToken (str& val, const int pos)
+{ if (pos >= m_tokens.size())
+ return false;
+
+ val = m_tokens[pos];
+ return true;
+}
+
+// =============================================================================
+// -----------------------------------------------------------------------------
+bool LDConfigParser::getNextToken (str& val)
+{ return getToken (val, ++m_pos);
+}
+
+// =============================================================================
+// -----------------------------------------------------------------------------
+bool LDConfigParser::peekNextToken (str& val)
+{ return getToken (val, m_pos + 1);
+}
+
+// =============================================================================
+// -----------------------------------------------------------------------------
+bool LDConfigParser::findToken (int& result, char const* needle, int args)
+{ for (int i = 0; i < (m_tokens.size() - args); ++i)
+ { if (m_tokens[i] == needle)
+ { result = i;
+ return true;
+ }
+ }
+
+ return false;
+}
+
+// =============================================================================
+// -----------------------------------------------------------------------------
+void LDConfigParser::rewind()
+{ m_pos = -1;
+}
+
+// =============================================================================
+// -----------------------------------------------------------------------------
+void LDConfigParser::seek (int amount, bool rel)
+{ m_pos = (rel ? m_pos : 0) + amount;
+}
+
+// =============================================================================
+// -----------------------------------------------------------------------------
+int LDConfigParser::getSize()
+{ return m_tokens.size();
+}
+
+// =============================================================================
+// -----------------------------------------------------------------------------
+bool LDConfigParser::tokenCompare (int inPos, const char* sOther)
+{ str tok;
+
+ if (!getToken (tok, inPos))
+ return false;
+
+ return (tok == sOther);
+}