下载源码和可执行文件 xclip.7z
1 // The MIT License (MIT)
2
3 // Copyright (c) 2014 Rapptz
4
5 // Permission is hereby granted, free of charge, to any person obtaining a copy of
6 // this software and associated documentation files (the "Software"), to deal in
7 // the Software without restriction, including without limitation the rights to
8 // use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
9 // the Software, and to permit persons to whom the Software is furnished to do so,
10 // subject to the following conditions:
11
12 // The above copyright notice and this permission notice shall be included in all
13 // copies or substantial portions of the Software.
14
15 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
16 // IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
17 // FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
18 // COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
19 // IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
20 // CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
21
22 #include <windows.h>
23 #include <iostream>
24 #include <fstream>
25 #include <sstream>
26 #include <string>
27 #include <vector>
28 #include <cstdlib>
29
30 struct clipboard {
31 private:
32 bool open;
33 public:
34 clipboard(HWND owner = nullptr): open(OpenClipboard(owner)) {}
35
36 clipboard(const clipboard&) = delete;
37 clipboard(clipboard&&) = delete;
38 clipboard& operator=(const clipboard&) = delete;
39 clipboard& operator=(clipboard&&) = delete;
40
41 ~clipboard() {
42 if(open) {
43 CloseClipboard();
44 }
45 }
46
47 bool clear() const noexcept {
48 return EmptyClipboard();
49 }
50
51 bool is_open() const noexcept {
52 return open;
53 }
54
55 bool copy(const std::string& str) const {
56 if(open) {
57 clear();
58 HGLOBAL buffer = GlobalAlloc(GMEM_DDESHARE, str.size() + 1);
59 if(buffer) {
60 std::copy(std::begin(str), std::end(str), static_cast<char*>(GlobalLock(buffer)));
61 GlobalUnlock(buffer);
62 return SetClipboardData(CF_TEXT, buffer) != nullptr;
63 }
64 }
65 return false;
66 }
67
68 // no error checking on purpose
69 std::string paste() const {
70 return static_cast<char*>(GetClipboardData(CF_TEXT));
71 }
72 };
73
74 int help() {
75 std::cout <<
76 "usage: xclip [options]
"
77 " -i, --in reads text from stdin (default)
"
78 " -o, --out outputs text to stdout
"
79 " -f, --file <filename> reads text from a file
"
80 " -v, --version outputs version information
"
81 " -h, --help prints this message and exits
";
82 return EXIT_SUCCESS;
83 }
84
85 int version() {
86 std::cout <<
87 "xclip version 1.0 (Windows native port)
"
88 "Written by Rapptz
"
89 "Copyright (C) 2014 Rapptz
"
90 "This is free software; see the source for copying conditions. There is NO
"
91 "warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
";
92 return EXIT_SUCCESS;
93 }
94
95 int error(const char* str) {
96 std::cout << "xclip: error: " << str << '
';
97 return EXIT_FAILURE;
98 }
99
100 int read_text(const clipboard& clip) {
101 std::ostringstream ss;
102 for(std::string line; std::getline(std::cin, line); ) {
103 ss << line;
104 }
105 return clip.copy(ss.str()) ? EXIT_SUCCESS : EXIT_FAILURE;
106 }
107
108 int read_file(const clipboard& clip, const std::string& filename) {
109 if(filename.empty()) {
110 return error("no input file given");
111 }
112 std::ifstream in(filename);
113 std::ostringstream ss;
114 ss << in.rdbuf();
115 return clip.copy(ss.str()) ? EXIT_SUCCESS : EXIT_FAILURE;
116 }
117
118 int main(int argc, char** argv) {
119 clipboard clip;
120 if(!clip.is_open()) {
121 return error("unable to open clipboard");
122 }
123
124 std::vector<std::string> args{argv, argv + argc};
125
126 if(argc < 2) {
127 return read_text(clip);
128 }
129
130 for(int i = 1; i < argc; ++i) {
131 auto&& arg = args[i];
132
133 if(arg == "-h" || arg == "--help") {
134 return help();
135 }
136
137 if(arg == "-v" || arg == "--version") {
138 return version();
139 }
140
141 if(arg == "-i" || arg == "--in") {
142 return read_text(clip);
143 }
144
145 if(arg == "-o" || arg == "--out") {
146 std::cout << clip.paste();
147 return EXIT_SUCCESS;
148 }
149
150 if(arg == "-f") {
151 if(i + 1 < argc) {
152 return read_file(clip, args[i + 1]);
153 }
154 return error("no input file given");
155 }
156
157 auto&& pos = arg.find("--file");
158 if(pos == 0) {
159 // len(--file) == 6
160 if(i + 1 < argc && arg.size() == 6) {
161 return read_file(clip, args[i + 1]);
162 }
163 else if(arg[6] == '=') {
164 return read_file(clip, arg.substr(7));
165 }
166 return error("no input file given");
167 }
168 }
169 }