1 files changed, 111 insertions, 0 deletions
diff --git a/revdep/pkg.cpp b/revdep/pkg.cpp
new file mode 100644
index 0000000..f79a872
--- /dev/null
+++ b/revdep/pkg.cpp
@@ -0,0 +1,111 @@
+// Copyright (C) 2016 James Buren
+//
+// This file is part of revdep.
+//
+// revdep 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 3 of the License, or
+// (at your option) any later version.
+//
+// revdep 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 revdep.  If not, see <http://www.gnu.org/licenses/>.
+
+#include "pkg.h"
+#include <fstream>
+#include <algorithm>
+#include <dirent.h>
+
+Package::Package(const std::string &name, const std::string &version, const StringVector &files) {
+	_name = name;
+	_version = version;
+	_files = files;
+	_dirs = {};
+	_ignore = false;
+}
+
+static Package readPackage(std::istream &in) {
+	std::string line;
+	size_t fields = 0;
+	std::string name;
+	std::string version;
+	StringVector files;
+
+	while(getline(in, line) && line != "") {
+		switch(++fields) {
+			case 1:                  name = line; break;
+			case 2:               version = line; break;
+			default: files.push_back("/" + line); break;
+		}
+	}
+
+	if(fields < 2) {
+		return Package("", "", files);
+	}
+
+	return Package(name, version, files);
+}
+
+bool ReadPackages(const std::string &path, PackageVector &pkgs) {
+	std::ifstream fin;
+
+	fin.open(path.c_str());
+
+	if(!fin.is_open()) {
+		return false;
+	}
+
+	while(true) {
+		Package pkg = readPackage(fin);
+
+		if(pkg.Name() == "" && pkg.Version() == "") {
+			break;
+		}
+
+		pkgs.push_back(pkg);
+	}
+
+	fin.close();
+
+	return (pkgs.size() > 0);
+}
+
+void ReadPackageDirs(const std::string &path, PackageVector &pkgs) {
+	DIR *dir;
+
+	dir = opendir(path.c_str());
+
+	if(dir == NULL) {
+		return;
+	}
+
+	struct dirent de, *res;
+
+	while(readdir_r(dir, &de, &res) == 0 && res != NULL) {
+		if(de.d_type != DT_REG) {
+			continue;
+		}
+
+		StringVector dirs;
+
+		ReadRdConf(path + "/" + de.d_name, dirs);
+
+		if(dirs.size() == 0) {
+			continue;
+		}
+
+		PackageVector::iterator pkg = std::find(pkgs.begin(), pkgs.end(), de.d_name);
+
+		if(pkg == pkgs.end()) {
+			continue;
+		}
+
+		pkg->Dirs(dirs);
+	}
+
+	closedir(dir);
+}