X-Git-Url: http://matita.cs.unibo.it/gitweb/?a=blobdiff_plain;f=helm%2FDEVEL%2Fmathml_editor%2Fsrc%2FTPushLexer.hh;fp=helm%2FDEVEL%2Fmathml_editor%2Fsrc%2FTPushLexer.hh;h=ff61561ec174e4d33c96bf16261caae5c20d02db;hb=30060cffed61b88fe53e4d6386b606050d6dfda0;hp=0000000000000000000000000000000000000000;hpb=e6927665462cbbace76cff1b17d4f8badcb44eda;p=helm.git

diff --git a/helm/DEVEL/mathml_editor/src/TPushLexer.hh b/helm/DEVEL/mathml_editor/src/TPushLexer.hh
new file mode 100644
index 000000000..ff61561ec
--- /dev/null
+++ b/helm/DEVEL/mathml_editor/src/TPushLexer.hh
@@ -0,0 +1,35 @@
+
+#ifndef __TPushLexer_hh__
+#define __TPushLexer_hh__
+
+#include <string>
+
+#include "APushLexer.hh"
+
+class TPushLexer : public APushLexer
+{
+public:
+  TPushLexer(class APushParser&);
+  virtual ~TPushLexer() { };
+
+  virtual void push(char);
+  virtual void reset(void);
+  virtual bool error(void) const;
+
+private:
+  enum State
+    {
+      ACCEPT,
+      ESCAPE,
+      MACRO,
+      IGNORE_SPACE,
+      PARAMETER
+    };
+
+  void transaction(char, State);
+
+  State state;
+  std::string buffer;
+};
+
+#endif // __TPushLexer_hh__