Beginning of transition rules

2010-12-28 22:42:13 -05:00
parent 52f527891c
commit b38d1280c1
4 changed files with 55 additions and 24 deletions
@@ -1 +1,37 @@
 #include "parserstate.hpp"
+
+using namespace Parser;
+
+Transition State::anywhere_rule( wchar_t ch )
+{
+  if ( (ch == 0x18) || (ch == 0x1A)
+       || ((0x80 <= ch) && (ch <= 0x8F))
+       || ((0x91 <= ch) && (ch <= 0x97))
+       || (ch == 0x99) || (ch == 0x9A) ) {
+    return Transition( Execute(), new Ground() );
+  } else if ( ch == 0x9C ) {
+    return Transition( Ignore(), new Ground() );
+  } else if ( ch == 0x1B ) {
+    return Transition( Ignore(), new Escape() );
+  } else if ( (ch == 0x98) || (ch == 0x9E) || (ch == 0x9F) ) {
+    return Transition( Ignore(), new SOS_PM_APC_String() );
+  } else if ( ch == 0x90 ) {
+    return Transition( Ignore(), new DCS_Entry() );
+  } else if ( ch == 0x9D ) {
+    return Transition( Ignore(), new OSC_String() );
+  } else if ( ch == 0x9B ) {
+    return Transition( Ignore(), new CSI_Entry() );
+  }
+
+  return Transition( Ignore(), NULL );
+}
+
+Transition State::input( wchar_t ch )
+{
+  Transition any = anywhere_rule( ch );
+  if ( any.next_state ) {
+    return any;
+  } else {
+    return this->input_state_rule( ch );
+  }
+}