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// Copyright 1999 Jose M. Vidal
// Jose M. Vidal, vidal@multiagent.com, http://jmvidal.ece.sc.edu
//
// This program is free software. You can redistribute it and/or modify
// it under the terms of the GNU General Public License
//
// -*- mode:C++; tab-width:4; c-basic-offset:2; indent-tabs-mode:nil -*-
// $Id: element.H,v 1.14 2003/05/11 18:58:50 jmvidal Exp $
#ifndef ELEMENT_H
#define ELEMENT_H
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#include <iostream>
#include <fstream>
#include <iomanip>
#include <cstdlib>
#include <cctype>
#include <string>
//#include <strstream>
#include <vector>
#include <algorithm>
#include <ctime>
#include "reference.H"
//#include "channel.H"
class channelContainer;
using namespace std;
//the element types
const string FOLDER_TYPE = "folder";
const string NEWADD_TYPE = "newadd";
const string NEWS_TYPE = "news";
const string TOPHITS_TYPE = "tophits";
const string URL_TYPE = "url";
const string NEWSANDNEWADD_TYPE = "newsandnewadd";
//the variable names for an element
const string COLS_VAR = "cols";
const string TEMPLATE_VAR = "template";
const string TOP_VAR = "top";
const string BOTTOM_VAR = "bottom";
const string BETWEEN_VAR = "between";
const string SEPARATOR_VAR = "separator";
const string MAXNUM_VAR = "maxnum";
const string STARTNUM_VAR = "startnum";
const string DAYSOLD_VAR = "daysold";
//special tags
const string BEGIN_TAG = "begin";
const string END_TAG = "end";
const string TITLE_TAG = "title";
const string NAVIGATEBAR_TAG = "navigatebar";
const string INCLUDE_TAG = "include";
const string INCLUDESEARCH_TAG = "include:search";
const string SEARCH_TAG = "search"; // path to urls.db - btb@debian.org
const string DATE_TAG = "date";
const string PATH_TAG = "path";
//directives used for search.pl. these are elimininated from the input file by
// include, but not by include:search
const string QUERY_DIR = "%QUERY";
const string NUMBER_DIR = "%NUMBER";
const string ESCQUERY_DIR = "%ESCQUERY";
using namespace std;
class reference;
//An element is the "view" part of the data-view-modify abstraction.
//Each element is a group of items, displayed as a group, possibly in columns.
//
//The element does NOT hold the actual data, only the instructions for how to
//turn a vector<reference> into HTML.
//
class element {
string type; //the types=newadd, tophits, news, folder, url
string printTemplate; //in HTML + %URL and other directives
string separator; //what separates columns
string top; //html to add before the items, IFF there are items to print
string bottom; //html to add after the items, IFF there are items to print
string between; //html to add in between elements, NOT at the head or tail.
int daysOld; //if entry was created before these many days, do not print it. If 0, print all.
int numCols; //the number of columns
int maxNum; //maximum number of items to printout (if 0, print all)
int startNum; //start with item number startNum (where, the first one is number 1)
public:
element() : type(""),
printTemplate(""),
separator(""),
top(""),
bottom(""),
between(""),
daysOld(0),
numCols(1),
maxNum(0),
startNum(0)
{};
element(string & fileContents, int idnum);
element(const element & el) : type(el.type),
printTemplate(el.printTemplate),
separator(el.separator),
top(el.top),
bottom(el.bottom),
between(el.between),
daysOld(el.daysOld),
numCols(el.numCols),
maxNum(el.maxNum),
startNum(el.startNum)
{};
~element(){};
string sendAsHTML(vector<reference> & refs, const string varValues []);
string getType() {return type;};
string getTemplate() {return printTemplate;};
};
class fileView {
vector<element> els;
vector<string> eltypes;
string fileContents;
public:
fileView(){};
~fileView(){};
fileView(const string & fileName); //instantiate fileview from the contents of fileName;
string getContents(const string & fileName);
//return a string which is the printout of refs using fileview.
string sendAsHTML(vector<reference> & contents, vector<reference> & allReferences,
vector<reference> & newsItems, const string varValues [],
channelContainer & channels);
};
#endif
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