1 /*****************************************************************************
2 *
3 * demo program - part of CLIPP (command line interfaces for modern C++)
4 *
5 * released under MIT license
6 *
7 * (c) 2017-2018 André Müller; foss@andremueller-online.de
8 *
9 *****************************************************************************/
10
11 #include <iostream>
12 #include <string>
13 #include <vector>
14 #include <sstream>
15
16 // #include <clipp.h>
17 #include "../include/clipp.h"
18
19
main(int argc,char * argv[])20 int main(int argc, char* argv[])
21 {
22 using namespace clipp;
23 using std::cout;
24 using std::string;
25 using std::to_string;
26
27 int firstCol = 0;
28 int docCol = 30;
29 int lastCol = 80;
30 auto fmtcli = (
31 value("first column", firstCol),
32 value("docstr column", docCol),
33 value("last column", lastCol)
34 );
35
36 if(!parse(argc, argv, fmtcli)) {
37 std::cout
38 << "This program shows how clipp handles documentation formatting.\n"
39 << "You can use the following command line interface to re-format\n"
40 << "the documentation text of a more complex command line interface\n"
41 << "Usage:\n" << usage_lines(fmtcli, argv[0]) << '\n';
42 return 0;
43 }
44 if(docCol < firstCol) docCol = firstCol;
45 if(lastCol <= docCol) lastCol = docCol+1;
46
47 std::cout
48 << "first column (>) " << firstCol << '\n'
49 << "docstr column (|) " << docCol << '\n'
50 << "last column (<) " << lastCol << '\n'
51 << std::string(firstCol, ' ') << ">"
52 << std::string(docCol-firstCol-1, ' ') << "|"
53 << std::string(lastCol-docCol-1, ' ') << "<\n";
54
55 auto copyMode = "copy mode:" % (
56 command("copy") | command("move"),
57 option("--all") % "copy all",
58 option("--replace") % "replace existing files",
59 option("-f", "--force") % "don't ask for confirmation"
60 );
61
62 auto compareMode = "compare mode:" % (
63 command("compare"),
64 (command("date") | command("content")),
65 option("-b", "--binary") % "compare files byte by byte",
66 option("-q", "--quick") % "use heuristics for faster comparison"
67 );
68
69 auto mergeAlgo = (
70 command("diff") % "merge using diff" |
71 command("patch") % "merge using patch" |
72 ( command("content") % "merge based on content",
73 "content based merge options:" % (
74 option("--git-style") % "emulate git's merge behavior",
75 option("-m", "--marker") & value("marker") % "merge marker symbol"
76 )
77 )
78 );
79
80 auto mergeMode = "merge mode:" % (
81 command("merge"),
82 mergeAlgo,
83 required("-o") & value("outdir") % "target directory for merge result",
84 option("--show-conflicts") % "show merge conflicts during run"
85 );
86
87 auto firstOpt = "user interface options:" % (
88 option("-v", "--verbose") % "show detailed output",
89 option("-i", "--interactive") % "use interactive mode"
90 );
91 auto lastOpt = "mode-independent options:" % (
92 values("files") % "input files",
93 option("-r", "--recursive") % "descend into subdirectories",
94 option("-h", "--help") % "show help"
95 );
96
97 auto cli = (
98 firstOpt,
99 copyMode | compareMode | mergeMode | command("list"),
100 lastOpt
101 );
102
103 parse(argc, argv, fmtcli);
104
105 auto fmt = doc_formatting{}
106 .line_spacing(0)
107 .paragraph_spacing(1)
108 .first_column(firstCol)
109 .doc_column(docCol)
110 .last_column(lastCol);
111
112 cout << make_man_page(cli, argv[0], fmt) << '\n';
113 // cout << documentation(cli, fmt) << '\n';
114 // cout << usage_lines(cli, argv[0], fmt) << '\n';
115 }
116