* code cleanup

[helm.git] / helm / DEVEL / mathml_editor / src / TLexerPush.cc

diff --git a/helm/DEVEL/mathml_editor/src/TLexerPush.cc b/helm/DEVEL/mathml_editor/src/TLexerPush.cc
deleted file mode 100644 (file)
index 6b2acae..0000000
--- a/helm/DEVEL/mathml_editor/src/TLexerPush.cc
+++ /dev/null
@@ -1,82 +0,0 @@
-
-#include "TLexerPush.hh"
-
-TLexerPush::TLexerPush()
-{
-  state = ACCEPT;
-}
-
-TToken
-TLexerPush::pop()
-{
-  if (tokens.empty()) throw EmptyBuffer();
-  else
-    {
-      TToken res = tokens.front();
-      tokens.pop_front();
-      if (tokens.size() == 1 && state == CONTROL) state = ACCEPT;
-      return res;
-    }
-}
-
-TToken
-TLexerPush::front() const
-{
-  if (tokens.empty()) throw EmptyBuffer();
-  else return tokens.front();
-}
-
-bool
-TLexerPush::empty() const
-{
-  return tokens.empty();
-}
-
-bool
-TLexerPush::pending() const
-{
-  return state == ESCAPE;
-}
-
-bool
-TLexerPush::ambiguous() const
-{
-  return tokens.size() == 1 && state == CONTROL;
-}
-
-void
-TLexerPush::push(TChar ch)
-{
-  switch (state)
-    {
-    case ACCEPT:
-      if (ch == '\\') state = ESCAPE;
-      else tokens.push_back(TToken(ch));
-      break;
-    case ESCAPE:
-      tokens.push_back(TToken(TToken::CONTROL, std::string(1, ch)));
-      if (isUnicodeAlpha(ch)) state = CONTROL;
-      else state = ACCEPT;
-      break;
-    case CONTROL:
-      if (ch == '\\') state = ESCAPE;
-      else if (isUnicodeAlpha(ch))
-       {
-         assert(!tokens.empty());
-         TToken& tok = tokens.back();
-         tok.value.push_back(ch);
-       }
-      else if (isUnicodeSpace(ch)) state = IGNORE_SPACE;
-      else
-       {
-         tokens.push_back(TToken(ch));
-         state = ACCEPT;
-       }
-      break;
-    case IGNORE_SPACE:
-      if (ch == '\\') state = ESCAPE;
-      else if (isUnicodeSpace(ch)) ;
-      else tokens.push_back(TToken(ch));
-      break;
-    }
-}