Beamer presentation generator.

beamer.cpp

#include <iostream>
#include <cstdlib>
#include <fstream>
#include <vector>
using namespace std;

const string start = 
	"\\documentclass{beamer}\n"
	"\\usetheme{default}\n"
	"\\begin{document}\n";
const string end = "\\end{document}\n";

struct page;
ostream& operator<<(ostream &o, page p);

struct page{

	string title;
	vector<string> content;

	page(){}
	page(string t){
		title = t;
	}

	void add(string s){
		content.push_back(s);
	}
	void add_list(vector<string> lst){
		add("\\begin{enumerate}\n");
		for(int i = 0; i<lst.size(); i++) add("\\item "+lst[i]+"\n");
		add("\\end{enumerate}\n");
	}

};

ostream& operator<<(ostream &o, page p){
	o << "\\begin{frame}{" << p.title << "}\n";
	for(int i = 0; i<p.content.size(); i++) o << p.content[i];
	o << "\\end{frame}\n";
	return o;
}

vector<page> make_standings(string title, vector<string> result){

	vector<page> res;
	vector<string> rev(result.size());
	for(int i = (int)result.size()-1; i>=0; i--){
		rev[i] = result[i];
		page p(title);
		p.add_list(vector<string>(rev.begin(), rev.end()));
		res.push_back(p);
	}
	return res;
	
}

struct presentation{

	vector<page> pages;
	void add(page p){
		pages.push_back(p);
	}

	int create(string name){
		ofstream fout(name.c_str());
		fout << start;
		for(int i = 0; i<pages.size(); i++) fout << pages[i];
		fout << end;
		fout.close();
		return system(("pdflatex "+name).c_str());
	}

};

int main(){

	string arr[] = {"I", "Like", "Cookies", "Yaaaaay!"};
	vector<string> v(arr, arr+4);
	vector<page> st = make_standings("Test", v);
	presentation pr;
	for(int i = 0; i<st.size(); i++) pr.add(st[i]);
	cout << pr.create("out.tex") << endl;

}