moved to separate file

src/Makefile.am

@@ -1,4 +1,4 @@
 bin_PROGRAMS = cellar
 cellar_CPPFLAGS = $(BOOST_CPPFLAGS)
 cellar_LDFLAGS = $(BOOST_LDFLAGS) $(BOOST_SYSTEM_LIB) $(BOOST_FILESYSTEM_LIB)
-cellar_SOURCES = cellar.cpp fs.cpp
+cellar_SOURCES = cellar.cpp fs.cpp bottles.cpp

src/bottles.cpp

@@ -0,0 +1,57 @@
+#include <cstdlib>
+#include <fstream>
+#include <string>
+#include <sstream>
+#include <vector>
+
+#include <boost/filesystem/operations.hpp>
+#include <boost/filesystem/path.hpp>
+#include "json.hpp"
+
+#include "bottles.hpp"
+#include "fs.hpp"
+
+using namespace std;
+
+using json = nlohmann::json;
+
+vector<string> cellar::bottles::list() {
+	stringstream sstr_output;
+	vector<string> result;
+
+	string homepath = getenv("HOME");
+	vector<string> homedir = cellar::fs::listdir(homepath);
+	for (string item : homedir) {
+		if (item.substr(0,5) == ".wine") {
+			sstr_output << item;
+			sstr_output << " ";
+
+			string jsonpath = homepath + "/" + item + "/cellar.json";
+			if (boost::filesystem::exists(jsonpath)) {
+				try {
+					json config;
+					ifstream configstream(jsonpath);
+					stringstream sstr_config;
+					sstr_config << configstream.rdbuf();
+					config = json::parse(sstr_config.str());
+
+					sstr_output << "- " << config["name"];
+					result.push_back(sstr_output.str());
+					sstr_output.str(""); // clear it for the next item
+				}
+				catch (const exception &exc) {
+					sstr_output << "- bogus cellar.json file";
+					result.push_back(sstr_output.str());
+					sstr_output.str("");
+				}
+			}
+			else { 
+				sstr_output << "- anonymous wine bottle";
+				result.push_back(sstr_output.str());
+				sstr_output.str("");
+			}
+		}
+	}
+
+	return result;
+}

src/bottles.hpp

@@ -0,0 +1,16 @@
+#ifndef __BOTTLES_HPP
+#define __BOTTLES_HPP
+#pragma once
+
+#include <vector>
+#include <string>
+
+using namespace std;
+
+namespace cellar {
+	namespace bottles {
+		vector<string> list();
+	}
+}
+
+#endif // __BOTTLES_HPP

src/cellar.cpp

@@ -1,45 +1,19 @@
-#include <cstdlib>
-#include <fstream>
 #include <iostream>
 #include <string>
-#include <sstream>
 #include <vector>
 
-#include <boost/filesystem/operations.hpp>
-#include <boost/filesystem/path.hpp>
 #include "json.hpp"
 
-#include "fs.hpp"
+#include "bottles.hpp"
 
 using namespace std;
 using json = nlohmann::json;
 
 int main(int argc, char* argv[]) {
-	string homepath = getenv("HOME");
-	vector<string> homedir = cellar::fs::listdir(homepath);
-	for (string item : homedir) {
-		if (item.substr(0,5) == ".wine") {
-			cout << item;
-			cout << " ";
-
-			string jsonpath = homepath + "/" + item + "/cellar.json";
-			if (boost::filesystem::exists(jsonpath)) {
-				try {
-					json config;
-					ifstream configstream(jsonpath);
-					stringstream sstr;
-					sstr << configstream.rdbuf();
-					config = json::parse(sstr.str());
-
-					cout << "- " << config["name"];
-				}
-				catch (const exception &exc) {
-					cout << "- bogus cellar.json file" << endl;
-				}
-			}
-			else { cout << "- anonymous wine bottle" << endl; }
-		}
+	vector<string> bottles = cellar::bottles::list();
+	for (string item : bottles) {
+		cout << item << endl;
 	}
-	cout << endl;
-    return 0;
+
+	return 0;
 }