1 /*
2 dspdfviewer - Dual Screen PDF Viewer for LaTeX-Beamer
3 Copyright (C) 2012 Danny Edel <mail@danny-edel.de>
4
5 This program 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 2 of the License, or
8 (at your option) any later version.
9
10 This program 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 along
16 with this program; if not, write to the Free Software Foundation, Inc.,
17 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
18 */
19
20
21 #include "pagepart.h"
22 #include <string>
23
24 namespace {
25 const char * const left = "left";
26 const char * const right = "right";
27 const char * const both = "both";
28 }
29
operator <<(std::ostream & out,const PagePart & pagepart)30 std::ostream& operator << ( std::ostream& out, const PagePart& pagepart ) {
31 if ( pagepart == PagePart::LeftHalf )
32 return out << left;
33 else if ( pagepart == PagePart::RightHalf )
34 return out << right;
35 else
36 return out << both;
37 }
38
operator >>(std::istream & in,PagePart & pagepart)39 std::istream& operator >> ( std::istream& in, PagePart& pagepart ) {
40 std::string s;
41 in >> s;
42 if ( s == left )
43 pagepart = PagePart::LeftHalf;
44 else if ( s == right )
45 pagepart = PagePart::RightHalf;
46 else if ( s == both )
47 pagepart = PagePart::FullPage;
48 else
49 in.setstate( std::ios::failbit );
50 return in;
51 }
52