Annotate

util/human/io.lua @ 12514:194469fb46f9

net.server_epoll: Wrap LuaSocket object earlier to reuse option setting method Since it provides some protection and error handling in the form of logging.
author Kim Alvefur <zash@zash.se>
date Fri, 16 Jul 2021 00:57:42 +0200
parent 11897:e84ea5b58b29
child 12573:0f4feaf9ca64
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
10894
d15a4284fdf8 util.human.io: table: Return title row when no row data passed
Matthew Wild <mwild1@gmail.com>
parents: 10893
diff changeset
1 local array = require "util.array";
11896
93e9f7ae2f9b util.human.io: Fix cutting of UTF-8 into pieces
Kim Alvefur <zash@zash.se>
parents: 11895
diff changeset
2 local utf8 = rawget(_G, "utf8") or require"util.encodings".utf8;
93e9f7ae2f9b util.human.io: Fix cutting of UTF-8 into pieces
Kim Alvefur <zash@zash.se>
parents: 11895
diff changeset
3 local len = utf8.len or function(s)
93e9f7ae2f9b util.human.io: Fix cutting of UTF-8 into pieces
Kim Alvefur <zash@zash.se>
parents: 11895
diff changeset
4 local _, count = s:gsub("[%z\001-\127\194-\253][\128-\191]*", "");
93e9f7ae2f9b util.human.io: Fix cutting of UTF-8 into pieces
Kim Alvefur <zash@zash.se>
parents: 11895
diff changeset
5 return count;
93e9f7ae2f9b util.human.io: Fix cutting of UTF-8 into pieces
Kim Alvefur <zash@zash.se>
parents: 11895
diff changeset
6 end;
10894
d15a4284fdf8 util.human.io: table: Return title row when no row data passed
Matthew Wild <mwild1@gmail.com>
parents: 10893
diff changeset
7
10870
3f1889608f3e util.human.io: New central place for UI helpers
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
8 local function getchar(n)
3f1889608f3e util.human.io: New central place for UI helpers
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
9 local stty_ret = os.execute("stty raw -echo 2>/dev/null");
3f1889608f3e util.human.io: New central place for UI helpers
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
10 local ok, char;
3f1889608f3e util.human.io: New central place for UI helpers
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
11 if stty_ret == true or stty_ret == 0 then
3f1889608f3e util.human.io: New central place for UI helpers
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
12 ok, char = pcall(io.read, n or 1);
3f1889608f3e util.human.io: New central place for UI helpers
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
13 os.execute("stty sane");
3f1889608f3e util.human.io: New central place for UI helpers
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
14 else
3f1889608f3e util.human.io: New central place for UI helpers
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
15 ok, char = pcall(io.read, "*l");
3f1889608f3e util.human.io: New central place for UI helpers
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
16 if ok then
3f1889608f3e util.human.io: New central place for UI helpers
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
17 char = char:sub(1, n or 1);
3f1889608f3e util.human.io: New central place for UI helpers
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
18 end
3f1889608f3e util.human.io: New central place for UI helpers
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
19 end
3f1889608f3e util.human.io: New central place for UI helpers
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
20 if ok then
3f1889608f3e util.human.io: New central place for UI helpers
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
21 return char;
3f1889608f3e util.human.io: New central place for UI helpers
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
22 end
3f1889608f3e util.human.io: New central place for UI helpers
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
23 end
3f1889608f3e util.human.io: New central place for UI helpers
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
24
3f1889608f3e util.human.io: New central place for UI helpers
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
25 local function getline()
3f1889608f3e util.human.io: New central place for UI helpers
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
26 local ok, line = pcall(io.read, "*l");
3f1889608f3e util.human.io: New central place for UI helpers
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
27 if ok then
3f1889608f3e util.human.io: New central place for UI helpers
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
28 return line;
3f1889608f3e util.human.io: New central place for UI helpers
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
29 end
3f1889608f3e util.human.io: New central place for UI helpers
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
30 end
3f1889608f3e util.human.io: New central place for UI helpers
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
31
3f1889608f3e util.human.io: New central place for UI helpers
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
32 local function getpass()
3f1889608f3e util.human.io: New central place for UI helpers
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
33 local stty_ret, _, status_code = os.execute("stty -echo 2>/dev/null");
3f1889608f3e util.human.io: New central place for UI helpers
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
34 if status_code then -- COMPAT w/ Lua 5.1
3f1889608f3e util.human.io: New central place for UI helpers
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
35 stty_ret = status_code;
3f1889608f3e util.human.io: New central place for UI helpers
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
36 end
3f1889608f3e util.human.io: New central place for UI helpers
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
37 if stty_ret ~= 0 then
3f1889608f3e util.human.io: New central place for UI helpers
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
38 io.write("\027[08m"); -- ANSI 'hidden' text attribute
3f1889608f3e util.human.io: New central place for UI helpers
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
39 end
3f1889608f3e util.human.io: New central place for UI helpers
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
40 local ok, pass = pcall(io.read, "*l");
3f1889608f3e util.human.io: New central place for UI helpers
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
41 if stty_ret == 0 then
3f1889608f3e util.human.io: New central place for UI helpers
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
42 os.execute("stty sane");
3f1889608f3e util.human.io: New central place for UI helpers
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
43 else
3f1889608f3e util.human.io: New central place for UI helpers
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
44 io.write("\027[00m");
3f1889608f3e util.human.io: New central place for UI helpers
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
45 end
3f1889608f3e util.human.io: New central place for UI helpers
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
46 io.write("\n");
3f1889608f3e util.human.io: New central place for UI helpers
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
47 if ok then
3f1889608f3e util.human.io: New central place for UI helpers
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
48 return pass;
3f1889608f3e util.human.io: New central place for UI helpers
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
49 end
3f1889608f3e util.human.io: New central place for UI helpers
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
50 end
3f1889608f3e util.human.io: New central place for UI helpers
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
51
3f1889608f3e util.human.io: New central place for UI helpers
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
52 local function show_yesno(prompt)
3f1889608f3e util.human.io: New central place for UI helpers
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
53 io.write(prompt, " ");
3f1889608f3e util.human.io: New central place for UI helpers
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
54 local choice = getchar():lower();
3f1889608f3e util.human.io: New central place for UI helpers
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
55 io.write("\n");
3f1889608f3e util.human.io: New central place for UI helpers
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
56 if not choice:match("%a") then
3f1889608f3e util.human.io: New central place for UI helpers
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
57 choice = prompt:match("%[.-(%U).-%]$");
3f1889608f3e util.human.io: New central place for UI helpers
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
58 if not choice then return nil; end
3f1889608f3e util.human.io: New central place for UI helpers
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
59 end
3f1889608f3e util.human.io: New central place for UI helpers
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
60 return (choice == "y");
3f1889608f3e util.human.io: New central place for UI helpers
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
61 end
3f1889608f3e util.human.io: New central place for UI helpers
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
62
3f1889608f3e util.human.io: New central place for UI helpers
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
63 local function read_password()
3f1889608f3e util.human.io: New central place for UI helpers
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
64 local password;
3f1889608f3e util.human.io: New central place for UI helpers
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
65 while true do
3f1889608f3e util.human.io: New central place for UI helpers
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
66 io.write("Enter new password: ");
3f1889608f3e util.human.io: New central place for UI helpers
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
67 password = getpass();
3f1889608f3e util.human.io: New central place for UI helpers
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
68 if not password then
3f1889608f3e util.human.io: New central place for UI helpers
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
69 print("No password - cancelled");
3f1889608f3e util.human.io: New central place for UI helpers
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
70 return;
3f1889608f3e util.human.io: New central place for UI helpers
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
71 end
3f1889608f3e util.human.io: New central place for UI helpers
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
72 io.write("Retype new password: ");
3f1889608f3e util.human.io: New central place for UI helpers
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
73 if getpass() ~= password then
3f1889608f3e util.human.io: New central place for UI helpers
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
74 if not show_yesno [=[Passwords did not match, try again? [Y/n]]=] then
3f1889608f3e util.human.io: New central place for UI helpers
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
75 return;
3f1889608f3e util.human.io: New central place for UI helpers
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
76 end
3f1889608f3e util.human.io: New central place for UI helpers
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
77 else
3f1889608f3e util.human.io: New central place for UI helpers
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
78 break;
3f1889608f3e util.human.io: New central place for UI helpers
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
79 end
3f1889608f3e util.human.io: New central place for UI helpers
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
80 end
3f1889608f3e util.human.io: New central place for UI helpers
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
81 return password;
3f1889608f3e util.human.io: New central place for UI helpers
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
82 end
3f1889608f3e util.human.io: New central place for UI helpers
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
83
3f1889608f3e util.human.io: New central place for UI helpers
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
84 local function show_prompt(prompt)
3f1889608f3e util.human.io: New central place for UI helpers
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
85 io.write(prompt, " ");
3f1889608f3e util.human.io: New central place for UI helpers
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
86 local line = getline();
3f1889608f3e util.human.io: New central place for UI helpers
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
87 line = line and line:gsub("\n$","");
3f1889608f3e util.human.io: New central place for UI helpers
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
88 return (line and #line > 0) and line or nil;
3f1889608f3e util.human.io: New central place for UI helpers
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
89 end
3f1889608f3e util.human.io: New central place for UI helpers
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
90
3f1889608f3e util.human.io: New central place for UI helpers
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
91 local function printf(fmt, ...)
10872
a3f3f42736f2 util.human.io: Fix variable name [luacheck]
Matthew Wild <mwild1@gmail.com>
parents: 10870
diff changeset
92 print(fmt:format(...));
10870
3f1889608f3e util.human.io: New central place for UI helpers
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
93 end
3f1889608f3e util.human.io: New central place for UI helpers
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
94
10891
8d47858805c9 util.human.io: Add padleft, padright and a table printing function
Matthew Wild <mwild1@gmail.com>
parents: 10872
diff changeset
95 local function padright(s, width)
11897
e84ea5b58b29 util.human.io: Use UTF-8-aware length check in padding functions
Kim Alvefur <zash@zash.se>
parents: 11896
diff changeset
96 return s..string.rep(" ", width-len(s));
10891
8d47858805c9 util.human.io: Add padleft, padright and a table printing function
Matthew Wild <mwild1@gmail.com>
parents: 10872
diff changeset
97 end
8d47858805c9 util.human.io: Add padleft, padright and a table printing function
Matthew Wild <mwild1@gmail.com>
parents: 10872
diff changeset
98
8d47858805c9 util.human.io: Add padleft, padright and a table printing function
Matthew Wild <mwild1@gmail.com>
parents: 10872
diff changeset
99 local function padleft(s, width)
11897
e84ea5b58b29 util.human.io: Use UTF-8-aware length check in padding functions
Kim Alvefur <zash@zash.se>
parents: 11896
diff changeset
100 return string.rep(" ", width-len(s))..s;
10891
8d47858805c9 util.human.io: Add padleft, padright and a table printing function
Matthew Wild <mwild1@gmail.com>
parents: 10872
diff changeset
101 end
8d47858805c9 util.human.io: Add padleft, padright and a table printing function
Matthew Wild <mwild1@gmail.com>
parents: 10872
diff changeset
102
11896
93e9f7ae2f9b util.human.io: Fix cutting of UTF-8 into pieces
Kim Alvefur <zash@zash.se>
parents: 11895
diff changeset
103 local pat = "[%z\001-\127\194-\253][\128-\191]*";
93e9f7ae2f9b util.human.io: Fix cutting of UTF-8 into pieces
Kim Alvefur <zash@zash.se>
parents: 11895
diff changeset
104 local function utf8_cut(s, pos)
93e9f7ae2f9b util.human.io: Fix cutting of UTF-8 into pieces
Kim Alvefur <zash@zash.se>
parents: 11895
diff changeset
105 return s:match("^"..pat:rep(pos)) or s;
93e9f7ae2f9b util.human.io: Fix cutting of UTF-8 into pieces
Kim Alvefur <zash@zash.se>
parents: 11895
diff changeset
106 end
93e9f7ae2f9b util.human.io: Fix cutting of UTF-8 into pieces
Kim Alvefur <zash@zash.se>
parents: 11895
diff changeset
107
93e9f7ae2f9b util.human.io: Fix cutting of UTF-8 into pieces
Kim Alvefur <zash@zash.se>
parents: 11895
diff changeset
108 if utf8.len and utf8.offset then
93e9f7ae2f9b util.human.io: Fix cutting of UTF-8 into pieces
Kim Alvefur <zash@zash.se>
parents: 11895
diff changeset
109 function utf8_cut(s, pos)
93e9f7ae2f9b util.human.io: Fix cutting of UTF-8 into pieces
Kim Alvefur <zash@zash.se>
parents: 11895
diff changeset
110 return s:sub(1, utf8.offset(s, pos+1)-1);
93e9f7ae2f9b util.human.io: Fix cutting of UTF-8 into pieces
Kim Alvefur <zash@zash.se>
parents: 11895
diff changeset
111 end
93e9f7ae2f9b util.human.io: Fix cutting of UTF-8 into pieces
Kim Alvefur <zash@zash.se>
parents: 11895
diff changeset
112 end
93e9f7ae2f9b util.human.io: Fix cutting of UTF-8 into pieces
Kim Alvefur <zash@zash.se>
parents: 11895
diff changeset
113
11894
57106c61d104 util.human.io: Factor out ellipsis function
Kim Alvefur <zash@zash.se>
parents: 11893
diff changeset
114 local function ellipsis(s, width)
11896
93e9f7ae2f9b util.human.io: Fix cutting of UTF-8 into pieces
Kim Alvefur <zash@zash.se>
parents: 11895
diff changeset
115 if len(s) <= width then return s; end
93e9f7ae2f9b util.human.io: Fix cutting of UTF-8 into pieces
Kim Alvefur <zash@zash.se>
parents: 11895
diff changeset
116 if width == 1 then return "…"; end
93e9f7ae2f9b util.human.io: Fix cutting of UTF-8 into pieces
Kim Alvefur <zash@zash.se>
parents: 11895
diff changeset
117 return utf8_cut(s, width - 1) .. "…";
11894
57106c61d104 util.human.io: Factor out ellipsis function
Kim Alvefur <zash@zash.se>
parents: 11893
diff changeset
118 end
57106c61d104 util.human.io: Factor out ellipsis function
Kim Alvefur <zash@zash.se>
parents: 11893
diff changeset
119
10904
d009a79f723a util.human.io: Remove padding option and use $COLUMNS as default width
Matthew Wild <mwild1@gmail.com>
parents: 10896
diff changeset
120 local function new_table(col_specs, max_width)
d009a79f723a util.human.io: Remove padding option and use $COLUMNS as default width
Matthew Wild <mwild1@gmail.com>
parents: 10896
diff changeset
121 max_width = max_width or tonumber(os.getenv("COLUMNS")) or 80;
10907
6af28c756752 util.human.io: Draw a separator between columns
Kim Alvefur <zash@zash.se>
parents: 10904
diff changeset
122 local separator = " | ";
10891
8d47858805c9 util.human.io: Add padleft, padright and a table printing function
Matthew Wild <mwild1@gmail.com>
parents: 10872
diff changeset
123
8d47858805c9 util.human.io: Add padleft, padright and a table printing function
Matthew Wild <mwild1@gmail.com>
parents: 10872
diff changeset
124 local widths = {};
10907
6af28c756752 util.human.io: Draw a separator between columns
Kim Alvefur <zash@zash.se>
parents: 10904
diff changeset
125 local total_width = max_width - #separator * (#col_specs-1);
10891
8d47858805c9 util.human.io: Add padleft, padright and a table printing function
Matthew Wild <mwild1@gmail.com>
parents: 10872
diff changeset
126 local free_width = total_width;
8d47858805c9 util.human.io: Add padleft, padright and a table printing function
Matthew Wild <mwild1@gmail.com>
parents: 10872
diff changeset
127 -- Calculate width of fixed-size columns
8d47858805c9 util.human.io: Add padleft, padright and a table printing function
Matthew Wild <mwild1@gmail.com>
parents: 10872
diff changeset
128 for i = 1, #col_specs do
8d47858805c9 util.human.io: Add padleft, padright and a table printing function
Matthew Wild <mwild1@gmail.com>
parents: 10872
diff changeset
129 local width = col_specs[i].width or "0";
8d47858805c9 util.human.io: Add padleft, padright and a table printing function
Matthew Wild <mwild1@gmail.com>
parents: 10872
diff changeset
130 if not(type(width) == "string" and width:sub(-1) == "%") then
8d47858805c9 util.human.io: Add padleft, padright and a table printing function
Matthew Wild <mwild1@gmail.com>
parents: 10872
diff changeset
131 local title = col_specs[i].title;
8d47858805c9 util.human.io: Add padleft, padright and a table printing function
Matthew Wild <mwild1@gmail.com>
parents: 10872
diff changeset
132 width = math.max(tonumber(width), title and (#title+1) or 0);
8d47858805c9 util.human.io: Add padleft, padright and a table printing function
Matthew Wild <mwild1@gmail.com>
parents: 10872
diff changeset
133 widths[i] = width;
8d47858805c9 util.human.io: Add padleft, padright and a table printing function
Matthew Wild <mwild1@gmail.com>
parents: 10872
diff changeset
134 free_width = free_width - width;
10910
e890b83f08cf util.human.io: Consider separator when calculating remaining width
Kim Alvefur <zash@zash.se>
parents: 10909
diff changeset
135 if i > 1 then
e890b83f08cf util.human.io: Consider separator when calculating remaining width
Kim Alvefur <zash@zash.se>
parents: 10909
diff changeset
136 free_width = free_width - #separator;
e890b83f08cf util.human.io: Consider separator when calculating remaining width
Kim Alvefur <zash@zash.se>
parents: 10909
diff changeset
137 end
10891
8d47858805c9 util.human.io: Add padleft, padright and a table printing function
Matthew Wild <mwild1@gmail.com>
parents: 10872
diff changeset
138 end
8d47858805c9 util.human.io: Add padleft, padright and a table printing function
Matthew Wild <mwild1@gmail.com>
parents: 10872
diff changeset
139 end
8d47858805c9 util.human.io: Add padleft, padright and a table printing function
Matthew Wild <mwild1@gmail.com>
parents: 10872
diff changeset
140 -- Calculate width of %-based columns
8d47858805c9 util.human.io: Add padleft, padright and a table printing function
Matthew Wild <mwild1@gmail.com>
parents: 10872
diff changeset
141 for i = 1, #col_specs do
8d47858805c9 util.human.io: Add padleft, padright and a table printing function
Matthew Wild <mwild1@gmail.com>
parents: 10872
diff changeset
142 if not widths[i] then
8d47858805c9 util.human.io: Add padleft, padright and a table printing function
Matthew Wild <mwild1@gmail.com>
parents: 10872
diff changeset
143 local pc_width = tonumber((col_specs[i].width:gsub("%%$", "")));
8d47858805c9 util.human.io: Add padleft, padright and a table printing function
Matthew Wild <mwild1@gmail.com>
parents: 10872
diff changeset
144 widths[i] = math.floor(free_width*(pc_width/100));
8d47858805c9 util.human.io: Add padleft, padright and a table printing function
Matthew Wild <mwild1@gmail.com>
parents: 10872
diff changeset
145 end
8d47858805c9 util.human.io: Add padleft, padright and a table printing function
Matthew Wild <mwild1@gmail.com>
parents: 10872
diff changeset
146 end
8d47858805c9 util.human.io: Add padleft, padright and a table printing function
Matthew Wild <mwild1@gmail.com>
parents: 10872
diff changeset
147
10893
a256044c1d12 util.human.io: table: switch row function to simply returning prepared row string
Matthew Wild <mwild1@gmail.com>
parents: 10891
diff changeset
148 return function (row)
10896
c7a0eab27165 util.human.io: table: Fix title printing when columns use named keys
Matthew Wild <mwild1@gmail.com>
parents: 10894
diff changeset
149 local titles;
10894
d15a4284fdf8 util.human.io: table: Return title row when no row data passed
Matthew Wild <mwild1@gmail.com>
parents: 10893
diff changeset
150 if not row then
10896
c7a0eab27165 util.human.io: table: Fix title printing when columns use named keys
Matthew Wild <mwild1@gmail.com>
parents: 10894
diff changeset
151 titles, row = true, array.pluck(col_specs, "title", "");
10894
d15a4284fdf8 util.human.io: table: Return title row when no row data passed
Matthew Wild <mwild1@gmail.com>
parents: 10893
diff changeset
152 end
10893
a256044c1d12 util.human.io: table: switch row function to simply returning prepared row string
Matthew Wild <mwild1@gmail.com>
parents: 10891
diff changeset
153 local output = {};
10891
8d47858805c9 util.human.io: Add padleft, padright and a table printing function
Matthew Wild <mwild1@gmail.com>
parents: 10872
diff changeset
154 for i, column in ipairs(col_specs) do
8d47858805c9 util.human.io: Add padleft, padright and a table printing function
Matthew Wild <mwild1@gmail.com>
parents: 10872
diff changeset
155 local width = widths[i];
11892
e712133b4de1 util.human.io: Pass nil to cell mapper to signal missing value
Kim Alvefur <zash@zash.se>
parents: 10917
diff changeset
156 local v = row[not titles and column.key or i];
e712133b4de1 util.human.io: Pass nil to cell mapper to signal missing value
Kim Alvefur <zash@zash.se>
parents: 10917
diff changeset
157 if not titles and column.mapper then
e712133b4de1 util.human.io: Pass nil to cell mapper to signal missing value
Kim Alvefur <zash@zash.se>
parents: 10917
diff changeset
158 v = column.mapper(v, row);
e712133b4de1 util.human.io: Pass nil to cell mapper to signal missing value
Kim Alvefur <zash@zash.se>
parents: 10917
diff changeset
159 end
e712133b4de1 util.human.io: Pass nil to cell mapper to signal missing value
Kim Alvefur <zash@zash.se>
parents: 10917
diff changeset
160 if v == nil then
11893
afef1e170de7 util.human.io: Support specifying column defaults in tables
Kim Alvefur <zash@zash.se>
parents: 11892
diff changeset
161 v = column.default or "";
11892
e712133b4de1 util.human.io: Pass nil to cell mapper to signal missing value
Kim Alvefur <zash@zash.se>
parents: 10917
diff changeset
162 else
e712133b4de1 util.human.io: Pass nil to cell mapper to signal missing value
Kim Alvefur <zash@zash.se>
parents: 10917
diff changeset
163 v = tostring(v);
e712133b4de1 util.human.io: Pass nil to cell mapper to signal missing value
Kim Alvefur <zash@zash.se>
parents: 10917
diff changeset
164 end
11896
93e9f7ae2f9b util.human.io: Fix cutting of UTF-8 into pieces
Kim Alvefur <zash@zash.se>
parents: 11895
diff changeset
165 if len(v) < width then
10891
8d47858805c9 util.human.io: Add padleft, padright and a table printing function
Matthew Wild <mwild1@gmail.com>
parents: 10872
diff changeset
166 if column.align == "right" then
10917
1eb83bc6f706 util.human.io: Fix right-alignment
Kim Alvefur <zash@zash.se>
parents: 10911
diff changeset
167 v = padleft(v, width);
10891
8d47858805c9 util.human.io: Add padleft, padright and a table printing function
Matthew Wild <mwild1@gmail.com>
parents: 10872
diff changeset
168 else
8d47858805c9 util.human.io: Add padleft, padright and a table printing function
Matthew Wild <mwild1@gmail.com>
parents: 10872
diff changeset
169 v = padright(v, width);
8d47858805c9 util.human.io: Add padleft, padright and a table printing function
Matthew Wild <mwild1@gmail.com>
parents: 10872
diff changeset
170 end
11896
93e9f7ae2f9b util.human.io: Fix cutting of UTF-8 into pieces
Kim Alvefur <zash@zash.se>
parents: 11895
diff changeset
171 elseif len(v) > width then
11894
57106c61d104 util.human.io: Factor out ellipsis function
Kim Alvefur <zash@zash.se>
parents: 11893
diff changeset
172 v = ellipsis(v, width);
10891
8d47858805c9 util.human.io: Add padleft, padright and a table printing function
Matthew Wild <mwild1@gmail.com>
parents: 10872
diff changeset
173 end
10893
a256044c1d12 util.human.io: table: switch row function to simply returning prepared row string
Matthew Wild <mwild1@gmail.com>
parents: 10891
diff changeset
174 table.insert(output, v);
10891
8d47858805c9 util.human.io: Add padleft, padright and a table printing function
Matthew Wild <mwild1@gmail.com>
parents: 10872
diff changeset
175 end
10907
6af28c756752 util.human.io: Draw a separator between columns
Kim Alvefur <zash@zash.se>
parents: 10904
diff changeset
176 return table.concat(output, separator);
10891
8d47858805c9 util.human.io: Add padleft, padright and a table printing function
Matthew Wild <mwild1@gmail.com>
parents: 10872
diff changeset
177 end;
8d47858805c9 util.human.io: Add padleft, padright and a table printing function
Matthew Wild <mwild1@gmail.com>
parents: 10872
diff changeset
178 end
8d47858805c9 util.human.io: Add padleft, padright and a table printing function
Matthew Wild <mwild1@gmail.com>
parents: 10872
diff changeset
179
10870
3f1889608f3e util.human.io: New central place for UI helpers
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
180 return {
3f1889608f3e util.human.io: New central place for UI helpers
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
181 getchar = getchar;
3f1889608f3e util.human.io: New central place for UI helpers
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
182 getline = getline;
3f1889608f3e util.human.io: New central place for UI helpers
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
183 getpass = getpass;
3f1889608f3e util.human.io: New central place for UI helpers
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
184 show_yesno = show_yesno;
3f1889608f3e util.human.io: New central place for UI helpers
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
185 read_password = read_password;
3f1889608f3e util.human.io: New central place for UI helpers
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
186 show_prompt = show_prompt;
3f1889608f3e util.human.io: New central place for UI helpers
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
187 printf = printf;
10891
8d47858805c9 util.human.io: Add padleft, padright and a table printing function
Matthew Wild <mwild1@gmail.com>
parents: 10872
diff changeset
188 padleft = padleft;
8d47858805c9 util.human.io: Add padleft, padright and a table printing function
Matthew Wild <mwild1@gmail.com>
parents: 10872
diff changeset
189 padright = padright;
11894
57106c61d104 util.human.io: Factor out ellipsis function
Kim Alvefur <zash@zash.se>
parents: 11893
diff changeset
190 ellipsis = ellipsis;
10893
a256044c1d12 util.human.io: table: switch row function to simply returning prepared row string
Matthew Wild <mwild1@gmail.com>
parents: 10891
diff changeset
191 table = new_table;
10870
3f1889608f3e util.human.io: New central place for UI helpers
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
192 };