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authorBjörn Gustavsson <[email protected]>2016-06-27 11:48:03 +0200
committerBjörn Gustavsson <[email protected]>2016-06-27 11:49:57 +0200
commit6931dce17580d097351dd7be09ce7c9ed3f72827 (patch)
tree2456845e95ed0112c2f08ed8ab6e867686b91d7a /lib/gs/src/tcl2erl.erl
parentdfccd57cb2b69fc3ab01acd0ccbfc894a8403358 (diff)
downloadotp-6931dce17580d097351dd7be09ce7c9ed3f72827.tar.gz
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Remove the gs application
The gs application ws deprecated in R15B01.
Diffstat (limited to 'lib/gs/src/tcl2erl.erl')
-rw-r--r--lib/gs/src/tcl2erl.erl459
1 files changed, 0 insertions, 459 deletions
diff --git a/lib/gs/src/tcl2erl.erl b/lib/gs/src/tcl2erl.erl
deleted file mode 100644
index 04229ccf49..0000000000
--- a/lib/gs/src/tcl2erl.erl
+++ /dev/null
@@ -1,459 +0,0 @@
-%%
-%% %CopyrightBegin%
-%%
-%% Copyright Ericsson AB 1996-2016. All Rights Reserved.
-%%
-%% Licensed under the Apache License, Version 2.0 (the "License");
-%% you may not use this file except in compliance with the License.
-%% You may obtain a copy of the License at
-%%
-%% http://www.apache.org/licenses/LICENSE-2.0
-%%
-%% Unless required by applicable law or agreed to in writing, software
-%% distributed under the License is distributed on an "AS IS" BASIS,
-%% WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-%% See the License for the specific language governing permissions and
-%% limitations under the License.
-%%
-%% %CopyrightEnd%
-%%
-
-%%
-%% ------------------------------------------------------------
-%%
-%% Handle conversion from tcl string to erlang terms
-%%
-%% ------------------------------------------------------------
-
--module(tcl2erl).
--compile([{nowarn_deprecated_function,{gs,error,2}}]).
-
--export([parse_event/1,
- ret_int/1,
- ret_atom/1,
- ret_str/1,
- ret_tuple/1,
- ret_pack/2,
- ret_place/2,
- ret_x/1,
- ret_y/1,
- ret_width/1,
- ret_height/1,
- ret_list/1,
- ret_str_list/1,
- ret_label/1,
- ret_mapped/1,
- ret_iconified/1,
- ret_focus/2,
- ret_file/1,
- ret_bool/1,
- ret_enable/1,
- ret_color/1,
- ret_stipple/1]).
-
--include("gstk.hrl").
-
-
-
-%% ----------------------------------------
-%% Parse an incoming event represented as
-%% a list of bytes
-%%
-parse_event(Bytes) ->
- {[$#|ID], Cont1} = first_word(Bytes),
- {Etag, Cont} = first_word(Cont1),
- {tokens, Toks} = scan(Cont),
- {term_seq, Args}= parse_term_seq(Toks),
- {list_to_integer(ID), Etag, Args}.
-
-
-%%---first word returns {Word,Cont}---%%
-first_word(Bytes) ->
- fw(Bytes,[]).
-
-fw([],Ack) ->
- {lists:reverse(Ack),[]};
-fw([$ |R],Ack) ->
- {lists:reverse(Ack),R};
-fw([Char|R],Ack) ->
- fw(R,[Char|Ack]).
-
-
-%% ---------------------------------------------
-%% str_to_term(Str)
-%% Transforms a string to the corresponding Erlang
-%% term. Note that the string "Hello" will be
-%% transformed to an Erlang atom: 'Hello' .
-%% If it is impossible to convert the string into
-%% a term the original string is just returned.
-%% str_to_term(Str) <---> {string, Str} or {term, Term}
-%% 'so that we can be able to tell if conversion succeded or not.'
-%%
-
-str_to_term(Str) ->
- {tokens,Tokens} = scan(Str),
- case catch parse_term(Tokens) of
- {_Type, Term,[]} -> {term,Term};
- _ -> {string, Str}
- end.
-
-
-%% ---------------------------------------------
-%% Simple Parser. ;-)
-%% Parses tokens or fails.
-%% Better catch result.
-%% Tokens should be generated by scan.
-%% parse_term(Toks) <----> {term, Term, Cont}
-%% parse_call(Toks) <----> {call, Mod, Fun, Args, Cont}
-%% parse_list(Toks) <----> {list, ListTerm, Cont}
-%% parse_tuple(Toks) <----> {tuple, TupleTerm, Cont}
-%% parse_fun_args(Toks) <-> {fun_args, FunArgs, Cont} %% like (arg1, arg2...)
-%% parse_term_seq(Toks) <-> {term_seq, Term_Sequence} %% no continuation
-%%
-
-parse_term([{var,Var}|R]) -> {var,Var,R};
-parse_term([{atom,Atom}|R]) -> {atom,Atom,R};
-parse_term([{float,Float}|R]) -> {float,Float,R};
-parse_term([{integer,Integer}|R]) -> {integer,Integer,R};
-parse_term([{string,String}|R]) -> {string,String,R};
-parse_term(['-',{integer,Integer}|R]) -> {integer,-Integer,R};
-parse_term(['-',{float,Float}|R]) -> {float,-Float,R};
-parse_term(['+',{integer,Integer}|R]) -> {integer,Integer,R};
-parse_term(['+',{float,Float}|R]) -> {float,Float,R};
-parse_term(['['|R]) -> {list,_Term,_C}=parse_list(['['|R]);
-parse_term(['{'|R]) -> {tuple,_Term,_C}=parse_tuple(['{'|R]);
-parse_term([Char|R]) -> {char,Char,R}.
-
-%%--- parse list ---
-parse_list(['[',']'|C]) ->
- {list, [], C};
-parse_list(['['|R]) ->
- {list,_List,_C}= list_args(R,[]).
-
-list_args(Toks,Ack) ->
- cont_list(parse_term(Toks),Ack).
-
-cont_list({_Tag, Term,[','|C]},Ack) ->
- list_args(C,[Term|Ack]);
-cont_list({_Tag, Term,[']'|C]},Ack) ->
- {list,lists:reverse([Term|Ack]),C}.
-
-%%--- parse tuple ---
-parse_tuple(['{','}'|C]) ->
- {tuple,{}, C};
-parse_tuple(['{'|R]) ->
- {tuple,_Tuple,_C}=tuple_args(R,[]).
-
-tuple_args(Toks,Ack) ->
- cont_tuple(parse_term(Toks),Ack).
-
-cont_tuple({_Tag, Term,[','|C]},Ack) ->
- tuple_args(C,[Term|Ack]);
-cont_tuple({_Tag, Term,['}'|C]},Ack) ->
- {tuple,list_to_tuple(lists:reverse([Term|Ack])),C}.
-
-%%--- parse sequence of terms ---
-parse_term_seq(Toks) ->
- p_term_seq(Toks,[]).
-
-p_term_seq([],Ack) ->
- {term_seq, lists:reverse(Ack)}; % never any continuation left
-p_term_seq(Toks,Ack) ->
- {_Type,Term,C} = parse_term(Toks),
- p_term_seq(C,[Term|Ack]).
-
-
-
-%% ----------------------------------------
-%% Simple Scanner
-
-scan(Bytes) ->
- {tokens, scan(Bytes,[])}.
-
-scan([],Ack) ->
- lists:reverse(Ack);
-scan([$ |R],Ack) -> % delete whitespace
- scan(R,Ack);
-scan([X|R],Ack) when is_integer(X),X>=$a,X=<$z ->
- scan_atom(R,[X],Ack);
-scan([X|R],Ack) when is_integer(X),X>=$A,X=<$Z ->
- scan_var(R,[X],Ack);
-scan([X|R],Ack) when is_integer(X),X>=$0,X=<$9 ->
- scan_number(R,[X],Ack);
-scan([$"|R],Ack) ->
- scan_string(R,[],Ack);
-scan([X|R],Ack) when is_integer(X) ->
- scan(R,[list_to_atom([X])|Ack]).
-
-scan_atom([X|R],Ack1,Ack2) when is_integer(X),X>=$a,X=<$z ->
- scan_atom(R,[X|Ack1],Ack2);
-scan_atom([X|R],Ack1,Ack2) when is_integer(X),X>=$A,X=<$Z ->
- scan_atom(R,[X|Ack1],Ack2);
-scan_atom([X|R],Ack1,Ack2) when is_integer(X),X>=$0,X=<$9 ->
- scan_atom(R,[X|Ack1],Ack2);
-scan_atom([$_|R],Ack1,Ack2) ->
- scan_atom(R,[$_|Ack1],Ack2);
-scan_atom(L,Ack1,Ack2) ->
- scan(L,[{atom,list_to_atom(lists:reverse(Ack1))}|Ack2]).
-
-scan_var([X|R],Ack1,Ack2) when is_integer(X),X>=$a,X=<$z ->
- scan_var(R,[X|Ack1],Ack2);
-scan_var([X|R],Ack1,Ack2) when is_integer(X),X>=$A,X=<$Z ->
- scan_var(R,[X|Ack1],Ack2);
-scan_var([X|R],Ack1,Ack2) when is_integer(X),X>=$0,X=<$9 ->
- scan_var(R,[X|Ack1],Ack2);
-scan_var([$_|R],Ack1,Ack2) ->
- scan_var(R,[$_|Ack1],Ack2);
-scan_var(L,Ack1,Ack2) ->
- scan(L,[{var,list_to_atom(lists:reverse(Ack1))}|Ack2]).
-
-scan_number([X|R],Ack1,Ack2) when is_integer(X),X>=$0,X=<$9 ->
- scan_number(R,[X|Ack1],Ack2);
-scan_number([$.|R],Ack1,Ack2) ->
- scan_float(R,[$.|Ack1],Ack2);
-scan_number(L,Ack1,Ack2) ->
- scan(L,[{integer,list_to_integer(lists:reverse(Ack1))}|Ack2]).
-
-scan_float([X|R],Ack1,Ack2) when is_integer(X),X>=$0,X=<$9 ->
- scan_float(R,[X|Ack1],Ack2);
-scan_float(L,Ack1,Ack2) ->
- Float = list_to_float(lists:reverse(Ack1)),
- Int = trunc(Float),
- if
- Int==Float ->
- scan(L,[{integer,Int}|Ack2]);
- true ->
- scan(L,[{float,Float}|Ack2])
- end.
-
-
-scan_string([$"|R],Ack1,Ack2) ->
- scan(R,[{string,lists:reverse(Ack1)}|Ack2]);
-scan_string([X|R],Ack1,Ack2) when is_integer(X) ->
- scan_string(R,[X|Ack1],Ack2);
-scan_string([],_Ack1,_Ack2) ->
- throw({error,"unterminated string."}).
-
-
-
-%% ---------- Checking Return values -----------
-%% Used by read to return a proper type or fail.
-
-ret_int(Str) ->
- case gstk:call(Str) of
- {result, Result} ->
- {_,Value} = str_to_term(Result),
- Value;
- Bad_result -> Bad_result
- end.
-
-ret_atom(Str) ->
- case gstk:call(Str) of
- {result, Result} ->
- {_,Value} = str_to_term(Result),
- Value;
- Bad_result -> Bad_result
- end.
-
-ret_str(Str) ->
- case gstk:call(Str) of
- {result, Val} -> Val;
- Bad_result -> Bad_result
- end.
-
-ret_tuple(Str) ->
- case gstk:call(Str) of
- {result,S} ->
- {tokens,Toks} = scan(S),
- {term_seq,Seq} = parse_term_seq(Toks),
- list_to_tuple(Seq);
- Bad_result -> Bad_result
- end.
-
-%%----------------------------------------------------------------------
-%% Returns: Coords or error.
-%%----------------------------------------------------------------------
-ret_pack(Key, TkW) ->
- Str = ret_list(["pack info ", TkW]),
- pick_out(Str, Key).
-
-ret_place(Key, TkW) ->
- Str = ret_list(["place info ", TkW]),
- pick_out(Str, Key).
-
-pick_out([Key, Value | _Rest], Key) -> Value;
-pick_out([Key, {} | _Rest], Key) -> 0;
-pick_out(['-' | Rest], Key) -> pick_out(Rest, Key);
-pick_out([_, _ | Rest], Key) -> pick_out(Rest, Key);
-pick_out(Other, _Key) -> Other.
-
-
-ret_x(Str) ->
- case ret_geometry(Str) of
- {_W,_H,X,_Y} -> X;
- Other -> Other
- end.
-
-ret_y(Str) ->
- case ret_geometry(Str) of
- {_W,_H,_X,Y} -> Y;
- Other -> Other
- end.
-
-ret_width(Str) ->
- case ret_geometry(Str) of
- {W,_H,_X,_Y} -> W;
- Other -> Other
- end.
-
-ret_height(Str) ->
- case ret_geometry(Str) of
- {_W,H,_X,_Y} -> H;
- Other -> Other
- end.
-
-
-
-ret_geometry(Str) ->
- case ret_tuple(Str) of
- {W,H,X,Y} when is_atom(H) ->
- [_|Height]=atom_to_list(H),
- {W,list_to_integer(Height),X,Y};
- Other -> Other
- end.
-
-ret_list(Str) ->
- case gstk:call(Str) of
- {result,S} ->
- {tokens,Toks} = scan(S),
- {term_seq,Seq} = parse_term_seq(Toks),
- Seq;
- Bad_result -> Bad_result
- end.
-
-ret_str_list(Str) ->
- case gstk:call(Str) of
- {result,S} ->
- mk_quotes0(S,[]);
- Bad_result -> Bad_result
- end.
-
-
-ret_label(Str) ->
- case ret_str_list(Str) of
- [[], [$@|Img]] -> {image, Img};
- [Text, []] -> {text, Text};
- Bad_Result -> Bad_Result
- end.
-
-
-
-ret_mapped(Str) ->
- case ret_int(Str) of
- 1 -> true;
- 0 -> false;
- Bad_Result -> Bad_Result
- end.
-
-
-ret_iconified(Str) ->
- case ret_atom(Str) of
- iconic -> true;
- normal -> false;
- Bad_Result -> Bad_Result
- end.
-
-
-ret_focus(W, Str) ->
- case gstk:call(Str) of
- {result, W} -> true;
- _ -> false
- end.
-
-
-ret_file(Str) ->
- case gstk:call(Str) of
- {result, [$@|File]} -> File;
- {result, []} -> [];
- Bad_result -> Bad_result
- end.
-
-
-ret_bool(Str) ->
- case ret_int(Str) of
- 1 -> true;
- 0 -> false;
- Bad_Result -> Bad_Result
- end.
-
-ret_enable(Str) ->
- case ret_atom(Str) of
- normal -> true;
- active -> true;
- disabled -> false;
- Bad_Result -> Bad_Result
- end.
-
-
-
-ret_color(Str) ->
- case gstk:call(Str) of
- {result,[$#,R1,G1,B1]} ->
- {hex2dec([R1,$0]),hex2dec([G1,$0]),hex2dec([B1,$0])};
- {result,[$#,R1,R2,G1,G2,B1,B2]} ->
- {hex2dec([R1,R2]),hex2dec([G1,G2]),hex2dec([B1,B2])};
- {result,[$#,R1,R2,_R3,G1,G2,_G3,B1,B2,_B3]} ->
- {hex2dec([R1,R2]),hex2dec([G1,G2]),hex2dec([B1,B2])};
- {result,[$#,R1,R2,_R3,_R4,G1,G2,_G3,_G4,B1,B2,_B3,_B4]} ->
- {hex2dec([R1,R2]),hex2dec([G1,G2]),hex2dec([B1,B2])};
- {result,[Char|Word]} when Char>=$A, Char=<$Z ->
- list_to_atom([Char+32|Word]);
- {result,[Char|Word]} when Char>=$a, Char=<$z ->
- list_to_atom([Char|Word]);
- {result,Color} ->
- gs:error("error in tcl2erl:ret_color got ~w.~n",[Color]);
- Bad_result -> Bad_result
- end.
-
-
-ret_stipple(Str) ->
- case gstk:call(Str) of
- {result, _Any} -> true;
- _Other -> false
- end.
-
-
-%% ------------------------------------------------------------
-%% Hexadecimal to Decimal converter
-%%
-
-hex2dec(Hex) -> hex2dec(Hex,0).
-
-hex2dec([H|T],N) when H>=$0,H=<$9 ->
- hex2dec(T,(N bsl 4) bor (H-$0));
-hex2dec([H|T],N) when H>=$a,H=<$f ->
- hex2dec(T,(N bsl 4) bor (H-$a+10));
-hex2dec([H|T],N) when H>=$A,H=<$F ->
- hex2dec(T,(N bsl 4) bor (H-$A+10));
-hex2dec([],N) -> N.
-
-
-mk_quotes0([${|T],Res) -> mk_quotes2(T,"",Res);
-mk_quotes0([$ |T],Res) -> mk_quotes0(T,Res);
-mk_quotes0([$\\,X |T],Res) -> mk_quotes1(T,[X],Res);
-mk_quotes0([X|T],Res) -> mk_quotes1(T,[X],Res);
-mk_quotes0([],Res) -> lists:reverse(Res).
-
-mk_quotes1([$}|T],Ack,Res) -> mk_quotes0(T,[lists:reverse(Ack)|Res]);
-mk_quotes1([$\\,X |T],Ack,Res) -> mk_quotes1(T,[X|Ack],Res);
-mk_quotes1([$ |T],Ack,Res) -> mk_quotes0(T,[lists:reverse(Ack)|Res]);
-mk_quotes1([X|T],Ack,Res) -> mk_quotes1(T,[X|Ack],Res);
-mk_quotes1([],Ack,Res) -> lists:reverse([lists:reverse(Ack)|Res]).
-
-%% grouped using {bla bla} syntax
-mk_quotes2([$}|T],Ack,Res) -> mk_quotes0(T,[lists:reverse(Ack)|Res]);
-mk_quotes2([$\\,X |T],Ack,Res) -> mk_quotes2(T,[X|Ack],Res);
-mk_quotes2([X|T],Ack,Res) -> mk_quotes2(T,[X|Ack],Res);
-mk_quotes2([],Ack,Res) -> lists:reverse([lists:reverse(Ack)|Res]).
-
-