1 // Copyright (C) 2016 James Buren
2 //
3 // This file is part of revdep.
4 //
5 // revdep is free software: you can redistribute it and/or modify
6 // it under the terms of the GNU General Public License as published by
7 // the Free Software Foundation, either version 3 of the License, or
8 // (at your option) any later version.
9 //
10 // revdep is distributed in the hope that it will be useful,
11 // but WITHOUT ANY WARRANTY; without even the implied warranty of
12 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 // GNU General Public License for more details.
14 //
15 // You should have received a copy of the GNU General Public License
16 // along with revdep. If not, see <http://www.gnu.org/licenses/>.
17
18 #include "pkg.h"
19 #include <fstream>
20 #include <algorithm>
21 #include <dirent.h>
22
23 Package::Package(const std::string &name, const std::string &version, const StringVector &files) {
24 _name = name;
25 _version = version;
26 _files = files;
27 _dirs = {};
28 _ignore = false;
29 }
30
31 static Package readPackage(std::istream &in) {
32 std::string line;
33 size_t fields = 0;
34 std::string name;
35 std::string version;
36 StringVector files;
37
38 while(getline(in, line) && line != "") {
39 switch(++fields) {
40 case 1: name = line; break;
41 case 2: version = line; break;
42 default: files.push_back("/" + line); break;
43 }
44 }
45
46 if(fields < 2) {
47 return Package("", "", files);
48 }
49
50 return Package(name, version, files);
51 }
52
53 bool ReadPackages(const std::string &path, PackageVector &pkgs) {
54 std::ifstream fin;
55
56 fin.open(path.c_str());
57
58 if(!fin.is_open()) {
59 return false;
60 }
61
62 while(true) {
63 Package pkg = readPackage(fin);
64
65 if(pkg.Name() == "" && pkg.Version() == "") {
66 break;
67 }
68
69 pkgs.push_back(pkg);
70 }
71
72 fin.close();
73
74 return (pkgs.size() > 0);
75 }
76
77 void ReadPackageDirs(const std::string &path, PackageVector &pkgs) {
78 DIR *dir;
79
80 dir = opendir(path.c_str());
81
82 if(dir == NULL) {
83 return;
84 }
85
86 struct dirent de, *res;
87
88 while(readdir_r(dir, &de, &res) == 0 && res != NULL) {
89 if(de.d_type != DT_REG) {
90 continue;
91 }
92
93 StringVector dirs;
94
95 ReadRdConf(path + "/" + de.d_name, dirs);
96
97 if(dirs.size() == 0) {
98 continue;
99 }
100
101 PackageVector::iterator pkg = std::find(pkgs.begin(), pkgs.end(), de.d_name);
102
103 if(pkg == pkgs.end()) {
104 continue;
105 }
106
107 pkg->Dirs(dirs);
108 }
109
110 closedir(dir);
111 }
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