net.mograsim.plugin.core/src/net/mograsim/plugin/asm/editor/AsmPresentationReconciler.java

   1 package net.mograsim.plugin.asm.editor;
   2
   3 import java.util.Set;
   4
   5 import org.eclipse.jface.resource.ColorRegistry;
   6 import org.eclipse.jface.resource.FontRegistry;
   7 import org.eclipse.jface.text.IDocument;
   8 import org.eclipse.jface.text.TextAttribute;
   9 import org.eclipse.jface.text.presentation.PresentationReconciler;
  10 import org.eclipse.jface.text.rules.DefaultDamagerRepairer;
  11 import org.eclipse.jface.text.rules.EndOfLineRule;
  12 import org.eclipse.jface.text.rules.IRule;
  13 import org.eclipse.jface.text.rules.IWordDetector;
  14 import org.eclipse.jface.text.rules.RuleBasedScanner;
  15 import org.eclipse.jface.text.rules.Token;
  16 import org.eclipse.jface.text.rules.WordRule;
  17 import org.eclipse.ui.PlatformUI;
  18 import org.eclipse.ui.themes.ITheme;
  19
  20 import net.mograsim.plugin.AsmOps;
  21
  22 public class AsmPresentationReconciler extends PresentationReconciler
  23 {
  24
  25         private final Token comment = new Token(null);
  26         private final Token std = new Token(null);
  27         private final Token op = new Token(null);
  28         private final Token label = new Token(null);
  29         private final Token number = new Token(null);
  30
  31         private IRule[] rules;
  32
  33         public AsmPresentationReconciler()
  34         {
  35                 RuleBasedScanner scanner = new RuleBasedScanner();
  36                 rules = new IRule[4];
  37                 rules[0] = new EndOfLineRule(";", comment);
  38                 rules[1] = new AsmLabelRule(label);
  39                 WordRule ops = new WordRule(new IWordDetector()
  40                 {
  41
  42                         @Override
  43                         public boolean isWordStart(char c)
  44                         {
  45                                 return Character.isJavaIdentifierStart(c);
  46                         }
  47
  48                         @Override
  49                         public boolean isWordPart(char c)
  50                         {
  51                                 return Character.isJavaIdentifierPart(c);
  52                         }
  53                 }, std, true)
  54                 {
  55                         {
  56                                 AsmOps.addListener(this::update);
  57                         }
  58
  59                         void update(Set<String> words)
  60                         {
  61                                 fWords.clear();
  62                                 words.forEach(s -> fWords.put(s, op));
  63                         }
  64                 };
  65                 rules[2] = ops;
  66                 rules[3] = new AsmNumberRule(number);
  67
  68                 scanner.setRules(rules);
  69                 DefaultDamagerRepairer dr = new DefaultDamagerRepairer(scanner);
  70                 this.setDamager(dr, IDocument.DEFAULT_CONTENT_TYPE);
  71                 this.setRepairer(dr, IDocument.DEFAULT_CONTENT_TYPE);
  72
  73                 ITheme current = PlatformUI.getWorkbench().getThemeManager().getCurrentTheme();
  74                 updateStyle(current);
  75                 current.getColorRegistry().addListener(e -> updateStyle(current));
  76                 current.getFontRegistry().addListener(e -> updateStyle(current));
  77         }
  78
  79         void updateStyle(ITheme current)
  80         {
  81                 ColorRegistry cr = current.getColorRegistry();
  82                 FontRegistry fr = current.getFontRegistry();
  83                 comment.setData(new TextAttribute(cr.get("net.mograsim.plugin.asm_comment_color")));
  84                 op.setData(new TextAttribute(cr.get("net.mograsim.plugin.asm_operation_color"), null, 0,
  85                                 fr.get("net.mograsim.plugin.asm_operation_font")));
  86                 label.setData(new TextAttribute(cr.get("net.mograsim.plugin.asm_label_color")));
  87                 number.setData(new TextAttribute(cr.get("net.mograsim.plugin.asm_number_color")));
  88         }
  89 }