1 | // $Id: LineTypeParser.cc 1267 2010-11-02 03:56:19Z peter $ |
---|
2 | |
---|
3 | /* |
---|
4 | Copyright (C) 2006, 2007, 2008 Jari Häkkinen, Peter Johansson |
---|
5 | Copyright (C) 2009, 2010 Peter Johansson |
---|
6 | |
---|
7 | This file is part of svndigest, http://dev.thep.lu.se/svndigest |
---|
8 | |
---|
9 | svndigest is free software; you can redistribute it and/or modify it |
---|
10 | under the terms of the GNU General Public License as published by |
---|
11 | the Free Software Foundation; either version 3 of the License, or |
---|
12 | (at your option) any later version. |
---|
13 | |
---|
14 | svndigest is distributed in the hope that it will be useful, but |
---|
15 | WITHOUT ANY WARRANTY; without even the implied warranty of |
---|
16 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
---|
17 | General Public License for more details. |
---|
18 | |
---|
19 | You should have received a copy of the GNU General Public License |
---|
20 | along with svndigest. If not, see <http://www.gnu.org/licenses/>. |
---|
21 | */ |
---|
22 | |
---|
23 | #include "LineTypeParser.h" |
---|
24 | #include "Configuration.h" |
---|
25 | #include "utility.h" |
---|
26 | |
---|
27 | #include <algorithm> |
---|
28 | #include <cassert> |
---|
29 | #include <functional> |
---|
30 | #include <fstream> |
---|
31 | #include <iostream> |
---|
32 | #include <string> |
---|
33 | #include <utility> |
---|
34 | #include <vector> |
---|
35 | |
---|
36 | namespace theplu{ |
---|
37 | namespace svndigest{ |
---|
38 | |
---|
39 | |
---|
40 | LineTypeParser::LineTypeParser(std::string path) |
---|
41 | : mode_(0), post_copyright_(false), copyright_found_(false) |
---|
42 | { |
---|
43 | codon_ = Configuration::instance().codon(file_name(path)); |
---|
44 | } |
---|
45 | |
---|
46 | |
---|
47 | LineTypeParser::line_type LineTypeParser::parse(std::string line) |
---|
48 | { |
---|
49 | if (!post_copyright_) { |
---|
50 | if (copyright_found_) { |
---|
51 | // check if line is end of copyright statement, i.e. contains |
---|
52 | // no alphanumerical character (except in copyright_prefix). |
---|
53 | post_copyright_ = true; |
---|
54 | for (size_t i=0; i<line.size()&&post_copyright_; ++i) |
---|
55 | if (isalnum(line[i]) && |
---|
56 | !(i<copyright_prefix_.size() && copyright_prefix_[i]==line[i])){ |
---|
57 | post_copyright_ = false; |
---|
58 | block_ += line + "\n"; |
---|
59 | } |
---|
60 | if (post_copyright_) |
---|
61 | end_line_ = type_.size()+1; |
---|
62 | } |
---|
63 | else { |
---|
64 | // check whether copyright starts on this line |
---|
65 | std::string::iterator i = |
---|
66 | search(line.begin(), line.end(), |
---|
67 | Configuration::instance().copyright_string()); |
---|
68 | if (i!=line.end()) { |
---|
69 | start_line_ = type_.size()+1; |
---|
70 | copyright_prefix_ = line.substr(0, distance(line.begin(), i)); |
---|
71 | copyright_found_ = true; |
---|
72 | block_ = line+"\n"; |
---|
73 | } |
---|
74 | } |
---|
75 | } |
---|
76 | // we are in copyright block |
---|
77 | if (copyright_found_ && !post_copyright_) |
---|
78 | type_.push_back(LineTypeParser::copyright); |
---|
79 | |
---|
80 | else if (codon_) |
---|
81 | type_.push_back(code_mode(line)); |
---|
82 | else |
---|
83 | type_.push_back(text_mode(line)); |
---|
84 | return type_.back(); |
---|
85 | |
---|
86 | } |
---|
87 | |
---|
88 | |
---|
89 | LineTypeParser::line_type LineTypeParser::code_mode(const std::string& str) |
---|
90 | { |
---|
91 | // mode zero means we are currently not in a comment |
---|
92 | // if mode!=0 comment is closed by codon[mode-1].second -> mode=0 |
---|
93 | // if codon[x-1].start is found and x >= mode -> mode=x |
---|
94 | line_type lt=other; |
---|
95 | { |
---|
96 | for (std::string::const_iterator iter=str.begin();iter!=str.end();++iter){ |
---|
97 | for (size_t i=mode_; i<codon_->size(); ++i) { |
---|
98 | if ( iter==str.begin() && (*codon_)[i].first[0] == '\n' && |
---|
99 | match_begin(iter, str.end(), (*codon_)[i].first.substr(1)) ) { |
---|
100 | iter += (*codon_)[i].first.size()-1; |
---|
101 | mode_ = i+1; |
---|
102 | break; |
---|
103 | } |
---|
104 | if (match_begin(iter, str.end(), (*codon_)[i].first)) { |
---|
105 | iter += (*codon_)[i].first.size(); |
---|
106 | mode_ = i+1; |
---|
107 | break; |
---|
108 | } |
---|
109 | } |
---|
110 | if (iter==str.end()) |
---|
111 | break; |
---|
112 | assert(mode_==0 || mode_-1<(*codon_).size()); |
---|
113 | if (mode_ && match_begin(iter,str.end(), (*codon_)[mode_-1].second)){ |
---|
114 | iter += (*codon_)[mode_-1].second.size(); |
---|
115 | mode_=0; |
---|
116 | if (iter==str.end()) |
---|
117 | break; |
---|
118 | } |
---|
119 | else if (!mode_ && isgraph(*iter)) |
---|
120 | lt=code; |
---|
121 | else if (mode_ && lt!=code && isalnum(*iter)) |
---|
122 | lt=comment; |
---|
123 | } |
---|
124 | if (mode_ && (*codon_)[mode_-1].second==std::string("\n")) |
---|
125 | mode_=0; |
---|
126 | } |
---|
127 | return lt; |
---|
128 | } |
---|
129 | |
---|
130 | |
---|
131 | LineTypeParser::line_type LineTypeParser::text_mode(const std::string& str) |
---|
132 | { |
---|
133 | for (std::string::const_iterator iter=str.begin(); iter!=str.end(); ++iter) |
---|
134 | if (isalnum(*iter)) |
---|
135 | return comment; |
---|
136 | return other; |
---|
137 | } |
---|
138 | |
---|
139 | |
---|
140 | }} // end of namespace svndigest and namespace theplu |
---|