1 /* <!-- copyright */
2 /*
3 * aria2 - The high speed download utility
4 *
5 * Copyright (C) 2006 Tatsuhiro Tsujikawa
6 *
7 * This program is free software; you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License as published by
9 * the Free Software Foundation; either version 2 of the License, or
10 * (at your option) any later version.
11 *
12 * This program is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 * GNU General Public License for more details.
16 *
17 * You should have received a copy of the GNU General Public License
18 * along with this program; if not, write to the Free Software
19 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
20 *
21 * In addition, as a special exception, the copyright holders give
22 * permission to link the code of portions of this program with the
23 * OpenSSL library under certain conditions as described in each
24 * individual source file, and distribute linked combinations
25 * including the two.
26 * You must obey the GNU General Public License in all respects
27 * for all of the code used other than OpenSSL. If you modify
28 * file(s) with this exception, you may extend this exception to your
29 * version of the file(s), but you are not obligated to do so. If you
30 * do not wish to do so, delete this exception statement from your
31 * version. If you delete this exception statement from all source
32 * files in the program, then also delete it here.
33 */
34 /* copyright --> */
35 #include "UriListParser.h"
36
37 #include <cstring>
38 #include <sstream>
39
40 #include "util.h"
41 #include "Option.h"
42 #include "OptionHandlerFactory.h"
43 #include "OptionHandler.h"
44 #include "A2STR.h"
45 #include "BufferedFile.h"
46 #include "OptionParser.h"
47
48 #if HAVE_ZLIB
49 # include "GZipFile.h"
50 #endif
51
52 namespace aria2 {
53
UriListParser(const std::string & filename)54 UriListParser::UriListParser(const std::string& filename)
55 #if HAVE_ZLIB
56 : fp_(make_unique<GZipFile>(filename.c_str(), IOFile::READ))
57 #else
58 : fp_(make_unique<BufferedFile>(filename.c_str(), IOFile::READ))
59 #endif
60 {
61 }
62
63 UriListParser::~UriListParser() = default;
64
parseNext(std::vector<std::string> & uris,Option & op)65 void UriListParser::parseNext(std::vector<std::string>& uris, Option& op)
66 {
67 const std::shared_ptr<OptionParser>& optparser = OptionParser::getInstance();
68 while (1) {
69 if (!line_.empty() && line_[0] != '#') {
70 util::split(line_.begin(), line_.end(), std::back_inserter(uris), '\t',
71 true);
72 // Read options
73 std::stringstream ss;
74 while (1) {
75 line_ = fp_->getLine();
76 if (line_.empty()) {
77 if (fp_->eof()) {
78 break;
79 }
80 else if (!fp_) {
81 throw DL_ABORT_EX("UriListParser:I/O error.");
82 }
83 else {
84 continue;
85 }
86 }
87 if (line_[0] == ' ' || line_[0] == '\t') {
88 ss << line_ << "\n";
89 }
90 else if (line_[0] == '#') {
91 continue;
92 }
93 else {
94 break;
95 }
96 }
97 optparser->parse(op, ss);
98 return;
99 }
100 line_ = fp_->getLine();
101 if (line_.empty()) {
102 if (fp_->eof()) {
103 return;
104 }
105 else if (!fp_) {
106 throw DL_ABORT_EX("UriListParser:I/O error.");
107 }
108 }
109 }
110 }
111
hasNext()112 bool UriListParser::hasNext()
113 {
114 bool rv = !line_.empty() || (fp_ && *fp_ && !fp_->eof());
115 if (!rv) {
116 fp_->close();
117 }
118 return rv;
119 }
120
121 } // namespace aria2
122