From 5df79c53745fde5d6c3340a2979b1429cd5892c1 Mon Sep 17 00:00:00 2001
From: Henrik Rydberg <rydberg@euromail.se>
Date: Sat, 8 Oct 2011 20:30:28 +0200
Subject: Initial import of htcd system 1.0

Signed-off-by: Henrik Rydberg <rydberg@euromail.se>
---
 src/ops/operator.h | 97 ++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 97 insertions(+)
 create mode 100644 src/ops/operator.h

(limited to 'src/ops/operator.h')

diff --git a/src/ops/operator.h b/src/ops/operator.h
new file mode 100644
index 0000000..d4a7af8
--- /dev/null
+++ b/src/ops/operator.h
@@ -0,0 +1,97 @@
+/*************************************************************************
+ *
+ * HTCd - Copyright (C) 1998-2006 Henrik Rydberg
+ *
+ * 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 2 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, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
+ */
+
+#ifndef OPERATORH
+#define OPERATORH
+
+#include <mt/mstring.h>
+#include <mt/mvec.h>
+
+const mstring lt_tag="lt";
+
+///////////////////////////////////////////////
+
+class op_env;
+struct op_t {
+  typedef void (*op1_t)(mstream&,op_env&,const sref&);
+  typedef void (*op2_t)(mstream&,op_env&,const sref&,const sref&);
+
+  mstring name,desc;
+  int pre1,pre2;
+  int left,right;
+  op1_t f1; op2_t f2;
+
+  op_t(const mstring& s,int p1,int p2,int l,int r,op1_t op1,op2_t op2,const mstring& d):
+    name(s),pre1(p1),pre2(p2),left(l),right(r),f1(op1),f2(op2),desc(d) {}
+  op_t(const mstring& s,int p1,int p2,op1_t op1,op2_t op2,const mstring& d):
+    name(s),pre1(p1),pre2(p2),left(2),right(2),f1(op1),f2(op2),desc(d) {}
+  op_t(const mstring& s,int p,op1_t op,const mstring& d):
+    name(s),pre1(p),pre2(0),left(0),right(2),f1(op),f2(0),desc(d) {}
+  op_t(const mstring& s,int p,op2_t op,const mstring& d):
+    name(s),pre1(0),pre2(p),left(2),right(2),f1(0),f2(op),desc(d) {}
+};
+
+#define OP1_IMPL(n) \
+static void impl_##n(mstream& out,op_env& env,const sref& a)
+#define OP2_IMPL(n) \
+static void impl_##n(mstream& out,op_env& env,const sref& L,const sref& R)
+
+////////////////////////////////////////////////////////////
+
+typedef op_t* opmap_t;
+
+struct opmap : public mrvec<opmap_t> {
+  typedef mrvec<opmap_t>::iterator iterator;
+  typedef mrvec<opmap_t>::const_iterator const_iterator;
+
+  struct comp_t {
+    sref key;
+    comp_t(const sref& skey) : key(skey) {}
+    bool operator()(const op_t* a,const op_t* b) const {
+      return (a?((const sref&)a->name):key)<(b?((const sref&)b->name):key);
+    }
+  };
+  
+  opmap() : mrvec<opmap_t>() {}
+  ~opmap() { clear(); }
+
+  void clear(); // overrides parent
+  void erase(iterator p); // overrides parent
+  
+  const op_t* get(const sref& t) const;
+  const op_t* add(op_t* op);
+};
+
+#define OP_ADD(p,f,d) M.add(new op_t(#f,p,impl_##f,d))
+#define OP_ADDN(p,f,n,d) M.add(new op_t(#n,p,impl_##f,d))
+#define OP_ADD2(p1,p2,f,n,d) M.add(new op_t(#n,p1,p2,impl_##f,impl_##f,d))
+
+///////////////////////////////////////////
+
+void opAddBasic(opmap& map);
+void opAddComp(opmap& map);
+void opAddString(opmap& map);
+inline void opAddHEXP(opmap& map) {
+  opAddBasic(map);
+  opAddComp(map);
+  opAddString(map);
+}
+void opAddLatex(opmap& map);
+
+#endif
-- 
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