170 lines
3.7 KiB
C++
170 lines
3.7 KiB
C++
/*
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----
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This file is part of SECONDO.
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Copyright (C) 2004, University in Hagen, Department of Computer Science,
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Database Systems for New Applications.
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SECONDO is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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SECONDO is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with SECONDO; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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----
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//paragraph [1] Title: [{\Large \bf \begin{center}] [\end{center}}]
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//characters [1] Type: [] []
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//characters [2] Type: [] []
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//[ae] [\"{a}]
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//[oe] [\"{o}]
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//[ue] [\"{u}]
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//[ss] [{\ss}]
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//[Ae] [\"{A}]
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//[Oe] [\"{O}]
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//[Ue] [\"{U}]
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//[x] [$\times $]
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//[->] [$\rightarrow $]
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//[toc] [\tableofcontents]
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[1] Helper functions.
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[toc]
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1 Helper functions
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*/
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#ifndef __VTHELPERS_H__
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#define __VTHELPERS_H__
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#include "VTuple.h"
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namespace cstream {
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class VTHelpers {
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public:
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static bool IsVTupleStream(ListExpr s) {
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if (nl->ListLength(s) != 2)
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return false;
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if (!nl->IsEqual(nl->First(s),Symbol::STREAM()))
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return false;
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if (!VTuple::CheckType(nl->First(nl->Second(s))))
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return false;
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return true;
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}
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static void PrintList(std::string name, ListExpr l, int maxdepth) {
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cout << name <<
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"-----------------------------------------------" << endl;
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PrintListRec(l, "", 1, maxdepth);
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cout << endl << endl;
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}
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static void PrintListRec(ListExpr l, std::string prefix,
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int depth,
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int maxdepth) {
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if (depth > maxdepth)
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return;
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int len = nl->ListLength(l);
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ListExpr temp = l;
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for (int i=0; i<len; ++i) {
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std::ostringstream ss;
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ss<<(i+1)<<".";
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std::string s = ss.str();
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cout << prefix << s << nl->ToString(nl->First(temp))
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<< endl;
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PrintListRec(nl->First(temp), prefix + s,
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depth+1, maxdepth);
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temp = nl->Rest(temp);
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}
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}
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};
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//#define DEBUG_OUTPUT
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class Log
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{
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public:
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bool Enabled() {
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#ifdef DEBUG_OUTPUT
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return true;
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#endif
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return false;
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}
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Log& operator<<(const char* s) {
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if (Enabled()) std::cout << s;
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return *this;
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}
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Log& operator<<(char* s) {
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if (Enabled()) std::cout << s;
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return *this;
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}
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Log& operator<<(std::string s) {
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if (Enabled()) std::cout << s;
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return *this;
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}
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Log& operator<<(int i) {
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if (Enabled()) std::cout << i;
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return *this;
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}
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Log& operator<<(short n) {
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if (Enabled()) std::cout << n;
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return *this;
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}
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Log& operator<<(unsigned int ui) {
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if (Enabled()) std::cout << ui;
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return *this;
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}
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Log& operator<<(char c) {
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if (Enabled()) std::cout << c;
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return *this;
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}
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Log& operator<<(double d) {
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if (Enabled()) std::cout << d;
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return *this;
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}
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Log& operator<<(float f) {
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if (Enabled()) std::cout << f;
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return *this;
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}
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static Log& Inst()
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{
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static Log inst;
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return inst;
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}
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protected:
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Log() {};
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Log(const Log&) {};
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~Log() {};
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};
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#define LOG Log::Inst()
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#define ENDL "\n"
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}
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#endif
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