Fix hiding truecolor

Add `compile` target to Makefile

.gitignore

@@ -17,3 +17,5 @@ _plugins
 _tdeps
 logs
 _build
+termtypes.master
+termtypes.master.clean

Makefile

@@ -0,0 +1,24 @@
+TERMCAP_FILE=http://code.metager.de/source/raw/OpenBSD/src/share/termtypes/termtypes.master
+
+all: src/termcap.erl
+	rebar3 compile
+
+src/termcap.erl: termtypes.master.clean mk-termcap.escript termcap.erl
+	./mk-termcap.escript termtypes.master.clean  > src/cf_term.erl
+
+mk-termcap.escript:
+
+termcap.erl:
+
+clean:
+	[ -f termtypes.master ] && rm termtypes.master || true
+	[ -f termtypes.master.clean ] && rm termtypes.master.clean || true
+
+compile:
+	rebar3 compile
+
+termtypes.master.clean: termtypes.master
+	cat termtypes.master | grep -v '^#' | grep -v '^\s*$$' > termtypes.master.clean
+
+termtypes.master:
+	curl -O $(TERMCAP_FILE)

mk-termcap.escript

@@ -0,0 +1,99 @@
+#!/usr/bin/env escript
+main([In]) ->
+    {ok, File} = file:open(In, [read]),
+    case io:get_line(File, "") of
+        eof ->
+            file:close(File);
+        Cap ->
+            io:format("-module(cf_term).~n"),
+            io:format("-export([has_color/1]).~n"),
+            Terms = read_lines(File, {parse_name(Cap), ""}, []),
+            Terms1 = [{T, has_color(Vs, Terms)} || {T, Vs} <- Terms],
+            [io:format("has_color(~p) -> true;~n", [T]) || {T, true} <- Terms1],
+            io:format("has_color(_) -> false.~n")
+    end.
+
+read_lines(File, {H, Acc}, FAcc) ->
+    case io:get_line(File, "") of
+        eof  ->
+            file:close(File),
+            lists:sort([{H, parse_caps(Acc)} | FAcc]);
+        " " ++ Rest ->
+            case Acc of
+                "" ->
+                    read_lines(File, {H, remove_newline(strip_ws(Rest))}, FAcc);
+                _ ->
+                    read_lines(File, {H, [Acc, " ", remove_newline(strip_ws(Rest))]}, FAcc)
+            end;
+        "\t" ++ Rest ->
+            case Acc of
+                "" ->
+                    read_lines(File, {H, remove_newline(strip_ws(Rest))}, FAcc);
+                _ ->
+                    read_lines(File, {H, [Acc, " ", remove_newline(strip_ws(Rest))]}, FAcc)
+            end;
+        Cap ->
+            read_lines(File, {parse_name(Cap), ""}, [{H, parse_caps(Acc)} | FAcc])
+    end.
+
+has_color([], _Ts) ->
+    false;
+has_color([{colors, _} | _], _Ts) ->
+    true;
+has_color([{use, T} | R], Ts) ->
+    case orddict:find(T, Ts) of
+        error ->
+            has_color(R, Ts);
+        {ok, V} ->
+            has_color(V, Ts) orelse
+                has_color(R, Ts)
+    end.
+
+remove_newline(S) ->
+    remove_newline(S, []).
+
+remove_newline("\n", Acc) ->
+    lists:reverse(Acc);
+
+remove_newline("", Acc) ->
+    lists:reverse(Acc);
+remove_newline([C | R], Acc) ->
+    remove_newline(R, [C | Acc]).
+
+strip_ws([$\s | R]) ->
+    strip_ws(R);
+strip_ws([$\t | R]) ->
+    strip_ws(R);
+strip_ws(R) ->
+    R.
+
+filter_caps([]) ->
+    [];
+filter_caps([{colors, _} = C | R]) ->
+    [C | filter_caps(R)];
+filter_caps([{use, _} = C | R]) ->
+    [C | filter_caps(R)];
+filter_caps([_ | R]) ->
+    filter_caps(R).
+
+
+remove_colon(S) ->
+    re:replace(S, ",[\\s\\n\\t]*$", "", [{return,list}]).
+
+parse_name(S) ->
+    [Term | _Rest] = re:split(remove_colon(S), "\\|", [{return,list}]),
+    Term.
+
+parse_caps(S) ->
+    Caps = re:split(remove_colon(S), ",[\\s\\t]+", [{return,list}]),
+    filter_caps([parse_cap(C, []) || C <- Caps, C =/= ""]).
+
+parse_cap([], Name) ->
+    list_to_atom(lists:reverse(Name));
+parse_cap([$= | V], Name) ->
+    {list_to_atom(lists:reverse(Name)), V};
+parse_cap([$# | V], Name) ->
+    {list_to_atom(lists:reverse(Name)), list_to_integer(V)};
+parse_cap([C | R], Name) ->
+    parse_cap(R, [ C | Name]).
+

rebar.config

@@ -1,2 +1,8 @@
 {erl_opts, [debug_info]}.
 {deps, []}.
+
+{profiles, [
+            {shell, [
+                    {deps, [sync]}
+                   ]}
+           ]}.

src/cf.app.src

@@ -1,10 +1,10 @@
 {application,cf,
              [{description,"Terminal colour helper"},
-              {vsn,"0.1.2"},
+              {vsn, git},
               {registered,[]},
               {applications,[kernel,stdlib]},
               {env,[]},
               {modules,[]},
-              {contributors,["Heinz N. Gies <heinz@project-fifo.net>"]},
+              {maintainers,["Heinz N. Gies <heinz@project-fifo.net>"]},
               {licenses,["MIT"]},
-              {links,[]}]}.
+              {links,[{"github","https://github.com/project-fifo/cf"}]}]}.

src/cf.erl

@@ -38,6 +38,11 @@
 %%   c,C - cyan
 %%   w,W - white
 %%
+%%  true color is supported by using
+%%  ~!#<rr><gg><bb> as each as hex values so ~!#ff6402
+%%
+%%  the same can be done for the background by yusign ~##
+%%
 %%  The function will disable colours on non x term termials
 %% @end
 print(Fmt, Args) ->
@@ -96,26 +101,62 @@ format(Fmt) ->
 -define(CFMT_U(Char, Colour),
         cfmt_([$~, $_, Char | S], Enabled) -> [Colour | cfmt_(S, Enabled)]).
 
+colour_term() ->
+    case application:get_env(cf, colour_term) of
+        {ok, V} ->
+            V;
+        undefined ->
+            Term = os:getenv("TERM"),
+            V = cf_term:has_color(Term),
+            application:set_env(cf, colour_term, V),
+            V
+    end.
 
 cfmt(S) ->
-    cfmt(S, os:getenv("TERM") =:= "xterm").
+    cfmt(S, colour_term()).
 
 cfmt(S, Enabled) ->
     lists:flatten(cfmt_(S, Enabled)).
 
-cfmt_([$~,$!, _C | S], false) ->
+cfmt_([$~, $!, $#, _R1, _R2, _G1, _G2, _B1, _B2 | S], false) ->
     cfmt_(S, false);
-cfmt_([$~,$!, $_, _C | S], false) ->
-    cfmt_(S, false);
-cfmt_([$~,$#, _C | S], false) ->
+cfmt_([$~, $#, $#, _R1, _R2, _G1, _G2, _B1, _B2 | S], false) ->
     cfmt_(S, false);
 
+cfmt_([$~, $!, $_, _C | S], false) ->
+    cfmt_(S, false);
+cfmt_([$~, $#, _C | S], false) ->
+    cfmt_(S, false);
+cfmt_([$~, $!, _C | S], false) ->
+    cfmt_(S, false);
+
+cfmt_([$~, $!, $#, R1, R2, G1, G2, B1, B2 | S], Enabled) ->
+    R = list_to_integer([R1, R2], 16),
+    G = list_to_integer([G1, G2], 16),
+    B = list_to_integer([B1, B2], 16),
+    ["\033[38;2;",
+     integer_to_list(R), $;,
+     integer_to_list(G), $;,
+     integer_to_list(B), $m |
+     cfmt_(S, Enabled)];
+
+cfmt_([$~, $#, $#, R1, R2, G1, G2, B1, B2 | S], Enabled) ->
+    R = list_to_integer([R1, R2], 16),
+    G = list_to_integer([G1, G2], 16),
+    B = list_to_integer([B1, B2], 16),
+    ["\033[48;2;",
+     integer_to_list(R), $;,
+     integer_to_list(G), $;,
+     integer_to_list(B), $m |
+     cfmt_(S, Enabled)];
+
 cfmt_([$~, $!, $_, $_ | S], Enabled) ->
-    [?U | cfmt_(S, Enabled)];
+    [?U |cfmt_(S, Enabled)];
 cfmt_([$~,$!, $^ | S], Enabled) ->
     [?B | cfmt_(S, Enabled)];
 cfmt_([$~,$!, $_, $^ | S], Enabled) ->
     [?U, ?B | cfmt_(S, Enabled)];
+
 ?CFMT($!, ?R);
 ?CFMT($x, ?NX);
 ?CFMT($X, ?BX);

src/cf_term.erl

@@ -0,0 +1,370 @@
+-module(cf_term).
+-export([has_color/1]).
+has_color("Eterm") -> true;
+has_color("Eterm-256color") -> true;
+has_color("Eterm-88color") -> true;
+has_color("aixterm") -> true;
+has_color("aixterm-16color") -> true;
+has_color("amiga-vnc") -> true;
+has_color("ansi") -> true;
+has_color("ansi-color-2-emx") -> true;
+has_color("ansi-color-3-emx") -> true;
+has_color("ansi-emx") -> true;
+has_color("ansi.sys") -> true;
+has_color("ansi.sys-old") -> true;
+has_color("ansi.sysk") -> true;
+has_color("arm100") -> true;
+has_color("arm100-w") -> true;
+has_color("aterm") -> true;
+has_color("att6386") -> true;
+has_color("beterm") -> true;
+has_color("bsdos-pc") -> true;
+has_color("bsdos-pc-nobold") -> true;
+has_color("bsdos-ppc") -> true;
+has_color("bterm") -> true;
+has_color("color_xterm") -> true;
+has_color("cons25") -> true;
+has_color("cons25-debian") -> true;
+has_color("cons25-m") -> true;
+has_color("cons25l1") -> true;
+has_color("cons25l1-m") -> true;
+has_color("cons25r") -> true;
+has_color("cons25r-m") -> true;
+has_color("cons25w") -> true;
+has_color("cons30") -> true;
+has_color("cons30-m") -> true;
+has_color("cons43") -> true;
+has_color("cons43-m") -> true;
+has_color("cons50") -> true;
+has_color("cons50-m") -> true;
+has_color("cons50l1") -> true;
+has_color("cons50l1-m") -> true;
+has_color("cons50r") -> true;
+has_color("cons50r-m") -> true;
+has_color("cons60") -> true;
+has_color("cons60-m") -> true;
+has_color("cons60l1") -> true;
+has_color("cons60l1-m") -> true;
+has_color("cons60r") -> true;
+has_color("cons60r-m") -> true;
+has_color("crt") -> true;
+has_color("ctrm") -> true;
+has_color("cygwin") -> true;
+has_color("cygwinB19") -> true;
+has_color("cygwinDBG") -> true;
+has_color("d220") -> true;
+has_color("d220-7b") -> true;
+has_color("d220-dg") -> true;
+has_color("d230c") -> true;
+has_color("d230c-dg") -> true;
+has_color("d430c-dg") -> true;
+has_color("d430c-dg-ccc") -> true;
+has_color("d430c-unix") -> true;
+has_color("d430c-unix-25") -> true;
+has_color("d430c-unix-25-ccc") -> true;
+has_color("d430c-unix-ccc") -> true;
+has_color("d430c-unix-s") -> true;
+has_color("d430c-unix-s-ccc") -> true;
+has_color("d430c-unix-sr") -> true;
+has_color("d430c-unix-sr-ccc") -> true;
+has_color("d430c-unix-w") -> true;
+has_color("d430c-unix-w-ccc") -> true;
+has_color("d470c") -> true;
+has_color("d470c-7b") -> true;
+has_color("d470c-dg") -> true;
+has_color("decansi") -> true;
+has_color("dg+ccc") -> true;
+has_color("dg+color") -> true;
+has_color("dg+color8") -> true;
+has_color("dg+fixed") -> true;
+has_color("dgmode+color") -> true;
+has_color("dgmode+color8") -> true;
+has_color("dgunix+ccc") -> true;
+has_color("dgunix+fixed") -> true;
+has_color("djgpp") -> true;
+has_color("djgpp204") -> true;
+has_color("dtterm") -> true;
+has_color("ecma+color") -> true;
+has_color("emu") -> true;
+has_color("emx-base") -> true;
+has_color("eterm-color") -> true;
+has_color("gnome") -> true;
+has_color("gnome-2007") -> true;
+has_color("gnome-2008") -> true;
+has_color("gnome-2012") -> true;
+has_color("gnome-256color") -> true;
+has_color("gnome-fc5") -> true;
+has_color("gnome-rh62") -> true;
+has_color("gnome-rh72") -> true;
+has_color("gnome-rh80") -> true;
+has_color("gnome-rh90") -> true;
+has_color("gs6300") -> true;
+has_color("hft-c") -> true;
+has_color("hft-c-old") -> true;
+has_color("hft-old") -> true;
+has_color("hp+color") -> true;
+has_color("hp2397a") -> true;
+has_color("hpterm-color") -> true;
+has_color("hurd") -> true;
+has_color("iTerm.app") -> true;
+has_color("ibm+16color") -> true;
+has_color("ibm+color") -> true;
+has_color("ibm3164") -> true;
+has_color("ibm5081") -> true;
+has_color("ibm5154") -> true;
+has_color("ibm6154") -> true;
+has_color("ibm8503") -> true;
+has_color("ibm8512") -> true;
+has_color("ibmpc3") -> true;
+has_color("interix") -> true;
+has_color("iris-color") -> true;
+has_color("jaixterm") -> true;
+has_color("klone+color") -> true;
+has_color("kon") -> true;
+has_color("konsole") -> true;
+has_color("konsole-16color") -> true;
+has_color("konsole-256color") -> true;
+has_color("konsole-base") -> true;
+has_color("konsole-linux") -> true;
+has_color("konsole-solaris") -> true;
+has_color("konsole-vt100") -> true;
+has_color("konsole-vt420pc") -> true;
+has_color("konsole-xf3x") -> true;
+has_color("konsole-xf4x") -> true;
+has_color("kterm") -> true;
+has_color("kterm-color") -> true;
+has_color("kvt") -> true;
+has_color("linux") -> true;
+has_color("linux-16color") -> true;
+has_color("linux-basic") -> true;
+has_color("linux-c") -> true;
+has_color("linux-c-nc") -> true;
+has_color("linux-koi8") -> true;
+has_color("linux-koi8r") -> true;
+has_color("linux-lat") -> true;
+has_color("linux-m") -> true;
+has_color("linux-nic") -> true;
+has_color("linux-vt") -> true;
+has_color("linux2.2") -> true;
+has_color("linux2.6") -> true;
+has_color("linux2.6.26") -> true;
+has_color("linux3.0") -> true;
+has_color("mach-color") -> true;
+has_color("mach-gnu-color") -> true;
+has_color("mgt") -> true;
+has_color("mgterm") -> true;
+has_color("minitel1") -> true;
+has_color("minitel1b") -> true;
+has_color("minitel1b-80") -> true;
+has_color("minix") -> true;
+has_color("minix-3.0") -> true;
+has_color("mlterm") -> true;
+has_color("mlterm-256color") -> true;
+has_color("mlterm2") -> true;
+has_color("mlterm3") -> true;
+has_color("mrxvt") -> true;
+has_color("mrxvt-256color") -> true;
+has_color("ms-vt-utf8") -> true;
+has_color("ms-vt100+") -> true;
+has_color("ms-vt100-color") -> true;
+has_color("mvterm") -> true;
+has_color("nansi.sys") -> true;
+has_color("nansi.sysk") -> true;
+has_color("ncr260intan") -> true;
+has_color("ncr260intpp") -> true;
+has_color("ncr260intwan") -> true;
+has_color("ncr260intwpp") -> true;
+has_color("ncr260wy325pp") -> true;
+has_color("ncr260wy325wpp") -> true;
+has_color("ncr260wy350pp") -> true;
+has_color("ncr260wy350wpp") -> true;
+has_color("ncsa") -> true;
+has_color("ncsa-ns") -> true;
+has_color("ncsa-vt220") -> true;
+has_color("netbsd6") -> true;
+has_color("nsterm") -> true;
+has_color("nsterm+c") -> true;
+has_color("nsterm+c41") -> true;
+has_color("nsterm-16color") -> true;
+has_color("nsterm-256color") -> true;
+has_color("nsterm-7") -> true;
+has_color("nsterm-7-c") -> true;
+has_color("nsterm-acs") -> true;
+has_color("nsterm-bce") -> true;
+has_color("nsterm-build326") -> true;
+has_color("nsterm-build343") -> true;
+has_color("nsterm-c") -> true;
+has_color("nsterm-c-acs") -> true;
+has_color("nsterm-c-s") -> true;
+has_color("nsterm-c-s-7") -> true;
+has_color("nsterm-c-s-acs") -> true;
+has_color("nsterm-old") -> true;
+has_color("nsterm-s") -> true;
+has_color("nsterm-s-7") -> true;
+has_color("nsterm-s-acs") -> true;
+has_color("pc-minix") -> true;
+has_color("pc3") -> true;
+has_color("pcansi") -> true;
+has_color("pcansi-25") -> true;
+has_color("pcansi-33") -> true;
+has_color("pcansi-43") -> true;
+has_color("pccon") -> true;
+has_color("pccon+colors") -> true;
+has_color("pccon0") -> true;
+has_color("pcvt25-color") -> true;
+has_color("putty") -> true;
+has_color("putty-256color") -> true;
+has_color("putty-sco") -> true;
+has_color("putty-vt100") -> true;
+has_color("qansi") -> true;
+has_color("qansi-g") -> true;
+has_color("qansi-m") -> true;
+has_color("qansi-t") -> true;
+has_color("qansi-w") -> true;
+has_color("qnx") -> true;
+has_color("rcons-color") -> true;
+has_color("rxvt") -> true;
+has_color("rxvt-16color") -> true;
+has_color("rxvt-256color") -> true;
+has_color("rxvt-88color") -> true;
+has_color("rxvt-color") -> true;
+has_color("rxvt-cygwin") -> true;
+has_color("rxvt-cygwin-native") -> true;
+has_color("rxvt-unicode") -> true;
+has_color("rxvt-unicode-256color") -> true;
+has_color("rxvt-xpm") -> true;
+has_color("scoansi") -> true;
+has_color("scoansi-new") -> true;
+has_color("scoansi-old") -> true;
+has_color("screen") -> true;
+has_color("screen-16color") -> true;
+has_color("screen-16color-bce") -> true;
+has_color("screen-16color-bce-s") -> true;
+has_color("screen-16color-s") -> true;
+has_color("screen-256color") -> true;
+has_color("screen-256color-bce") -> true;
+has_color("screen-256color-bce-s") -> true;
+has_color("screen-256color-s") -> true;
+has_color("screen-bce") -> true;
+has_color("screen-bce.Eterm") -> true;
+has_color("screen-bce.gnome") -> true;
+has_color("screen-bce.konsole") -> true;
+has_color("screen-bce.linux") -> true;
+has_color("screen-bce.mrxvt") -> true;
+has_color("screen-bce.rxvt") -> true;
+has_color("screen-s") -> true;
+has_color("screen-w") -> true;
+has_color("screen.Eterm") -> true;
+has_color("screen.gnome") -> true;
+has_color("screen.konsole") -> true;
+has_color("screen.konsole-256color") -> true;
+has_color("screen.linux") -> true;
+has_color("screen.mlterm") -> true;
+has_color("screen.mlterm-256color") -> true;
+has_color("screen.mrxvt") -> true;
+has_color("screen.putty") -> true;
+has_color("screen.putty-256color") -> true;
+has_color("screen.rxvt") -> true;
+has_color("screen.teraterm") -> true;
+has_color("screen.vte") -> true;
+has_color("screen.vte-256color") -> true;
+has_color("screen.xterm-256color") -> true;
+has_color("screen.xterm-xfree86") -> true;
+has_color("simpleterm") -> true;
+has_color("st") -> true;
+has_color("st-16color") -> true;
+has_color("st-256color") -> true;
+has_color("st52-color") -> true;
+has_color("sun-color") -> true;
+has_color("tek4205") -> true;
+has_color("teken") -> true;
+has_color("teraterm") -> true;
+has_color("teraterm2.3") -> true;
+has_color("teraterm4.59") -> true;
+has_color("terminator") -> true;
+has_color("terminology") -> true;
+has_color("ti928") -> true;
+has_color("ti928-8") -> true;
+has_color("ti_ansi") -> true;
+has_color("tmux") -> true;
+has_color("tmux-256color") -> true;
+has_color("tw100") -> true;
+has_color("tw52") -> true;
+has_color("uwin") -> true;
+has_color("vte") -> true;
+has_color("vte-2007") -> true;
+has_color("vte-2008") -> true;
+has_color("vte-2012") -> true;
+has_color("vte-2014") -> true;
+has_color("vte-256color") -> true;
+has_color("vwmterm") -> true;
+has_color("wsvt25") -> true;
+has_color("wsvt25m") -> true;
+has_color("wy350") -> true;
+has_color("wy350-vb") -> true;
+has_color("wy350-w") -> true;
+has_color("wy350-wvb") -> true;
+has_color("wy370") -> true;
+has_color("wy370-105k") -> true;
+has_color("wy370-EPC") -> true;
+has_color("wy370-nk") -> true;
+has_color("wy370-rv") -> true;
+has_color("wy370-vb") -> true;
+has_color("wy370-w") -> true;
+has_color("wy370-wvb") -> true;
+has_color("xfce") -> true;
+has_color("xiterm") -> true;
+has_color("xnuppc") -> true;
+has_color("xnuppc+c") -> true;
+has_color("xnuppc-100x37") -> true;
+has_color("xnuppc-112x37") -> true;
+has_color("xnuppc-128x40") -> true;
+has_color("xnuppc-128x48") -> true;
+has_color("xnuppc-144x48") -> true;
+has_color("xnuppc-160x64") -> true;
+has_color("xnuppc-200x64") -> true;
+has_color("xnuppc-200x75") -> true;
+has_color("xnuppc-256x96") -> true;
+has_color("xnuppc-80x25") -> true;
+has_color("xnuppc-80x30") -> true;
+has_color("xnuppc-90x30") -> true;
+has_color("xnuppc-b") -> true;
+has_color("xnuppc-f") -> true;
+has_color("xnuppc-f2") -> true;
+has_color("xterm") -> true;
+has_color("xterm+256color") -> true;
+has_color("xterm+256setaf") -> true;
+has_color("xterm+88color") -> true;
+has_color("xterm-1002") -> true;
+has_color("xterm-1003") -> true;
+has_color("xterm-1005") -> true;
+has_color("xterm-1006") -> true;
+has_color("xterm-16color") -> true;
+has_color("xterm-256color") -> true;
+has_color("xterm-88color") -> true;
+has_color("xterm-8bit") -> true;
+has_color("xterm-basic") -> true;
+has_color("xterm-color") -> true;
+has_color("xterm-hp") -> true;
+has_color("xterm-new") -> true;
+has_color("xterm-nic") -> true;
+has_color("xterm-noapp") -> true;
+has_color("xterm-sco") -> true;
+has_color("xterm-sun") -> true;
+has_color("xterm-utf8") -> true;
+has_color("xterm-vt220") -> true;
+has_color("xterm-x10mouse") -> true;
+has_color("xterm-x11hilite") -> true;
+has_color("xterm-x11mouse") -> true;
+has_color("xterm-xf86-v32") -> true;
+has_color("xterm-xf86-v33") -> true;
+has_color("xterm-xf86-v333") -> true;
+has_color("xterm-xf86-v40") -> true;
+has_color("xterm-xf86-v43") -> true;
+has_color("xterm-xf86-v44") -> true;
+has_color("xterm-xfree86") -> true;
+has_color("xterm-xi") -> true;
+has_color("xterm1") -> true;
+has_color("xtermc") -> true;
+has_color("xterms-sun") -> true;
+has_color(_) -> false.