DIRECTORY
Ascii,
Buttons,
Commander USING [CommandProc, Register],
Containers USING [ChildXBound, ChildYBound, Container, Create],
Convert,
FS,
IO,
MessageWindow,
RefText,
Rope,
Rules USING [Create, Rule],
TypeScript,
VFonts,
ViewerClasses USING [Viewer, ViewerClassRec],
ViewerIO USING [CreateViewerStreams],
ViewerOps USING [CreateViewer, PaintViewer],
ViewerTools USING [GetContents, MakeNewTextViewer, SetSelection];
MailingList: CEDAR PROGRAM				
IMPORTS Buttons, Commander, Containers, Convert, FS, IO, MessageWindow, RefText, Rope, Rules, TypeScript, VFonts, ViewerIO, ViewerOps, ViewerTools =
BEGIN
entryHeight: CARDINAL = 15;	-- how tall to make each line of items
entryVSpace: CARDINAL = 8; 	-- vertical leading space between lines
entryHSpace: CARDINAL = 10; 	-- horizontal space between items in a line
ROPE: TYPE = Rope.ROPE;
STREAM: TYPE = IO.STREAM;
dash: CHAR = Ascii.ControlV;


Handle: TYPE = REF MyRec;	-- a REF to the data for a particular instance of the sample tool; multiple instances can be created.
MyRec: TYPE = RECORD [	-- the data for a particular tool instance
outer: Containers.Container _ NIL,	-- handle for the enclosing container
height: CARDINAL _ 0,		-- height measured from the top of the container
cmd: CommandViewer,		-- the commands
in: STREAM, eof: BOOLEAN _ FALSE,
out: STREAM,	-- for mailing list file
flipNames: REF BOOL,
tsIn, tsOut: STREAM,
ts: ViewerClasses.Viewer ];		-- the typescript

PromptRec: TYPE = RECORD [
handle: Handle, viewer: ViewerClasses.Viewer _ NIL];
PromptHandle: TYPE = REF PromptRec;
MakeTool: Commander.CommandProc = BEGIN
rule: Rules.Rule;
my: Handle _ NEW[MyRec];
my.outer _ Containers.Create[[-- construct the outer container
name: "Mailing List Creator",	-- name displayed in the caption
iconic: TRUE,			-- so tool will be iconic (small) when first created
column: left,				-- initially in the left column
scrollable: FALSE ]];		-- inhibit user from scrolling contents
MakeCommands[my];		-- build each (sub)viewer in turn
rule _ Rules.Create [[parent: my.outer, wy: my.height, ww: my.outer.cw, wh: 2]];
Containers.ChildXBound[my.outer, rule];
my.height _ my.height + entryHeight + 2;	-- interline spacing
MakeTypescript[my];
ViewerOps.PaintViewer[my.outer, all];				-- reflect above change
END;
CommandViewer: TYPE = RECORD [
inputFile, outputFile: ViewerClasses.Viewer
];


MakeTypescript: PROC [handle: Handle] = BEGIN	
handle.height _ handle.height + entryVSpace;	-- space down from the top of the viewer
handle.ts _ TypeScript.Create[
info: [name: "PrintDir.ts", wy: handle.height, parent: handle.outer, border: FALSE ]];
[handle.tsIn, handle.tsOut] _ ViewerIO.CreateViewerStreams [
name: "PrintDir.ts", viewer: handle.ts, backingFile: "PrintDir.ts", editedStream: FALSE];
Containers.ChildXBound[handle.outer, handle.ts];
Containers.ChildYBound[handle.outer, handle.ts];
END;
MakeCommands: PROC [handle: Handle] = BEGIN	
initialData: Rope.ROPE = NIL;
wx: INT _ 0;
NewLine: PROC = {handle.height _ handle.height + entryHeight + entryVSpace; wx _ 0};
LabeledItem: PROC [label: ROPE, width: INT, data: ROPE _ NIL] 
RETURNS [v: ViewerClasses.Viewer] = {
ph: PromptHandle _ NEW [PromptRec _ [handle: handle]];
t: Buttons.Button _ Buttons.Create[
info: [
name: Rope.Concat[label, ":"], 
wy: handle.height,
wh: entryHeight,	-- specify rather than defaulting so line is uniform
wx: wx,
parent: handle.outer,
border: FALSE ],
proc: Prompt,
clientData: ph];	-- this will be passed to our button proc
wx _ wx + t.ww + entryHSpace;
v _ ViewerTools.MakeNewTextViewer[ [
parent: handle.outer,
wx: wx,
wy: handle.height,
ww: width*VFonts.CharWidth['0],
wh: entryHeight,
data: data,
scrollable: FALSE,
border: FALSE]];
ph.viewer _ v;
wx _ wx + v.ww + entryHSpace};
Cmd: PROC [label: ROPE, proc: Buttons.ButtonProc] = {
t: Buttons.Button _ Buttons.Create[
info: [
name: label, 
wx: wx,
wy: handle.height,
wh: entryHeight,	-- specify rather than defaulting so line is uniform
parent: handle.outer,
border: TRUE ],
proc: proc,
clientData: handle];	-- this will be passed to our button proc
wx _ wx + t.ww + entryHSpace};

Bool: PROC [label: ROPE, initial: BOOL] RETURNS [flag: REF BOOL] = {
t: Buttons.Button;
flag _ NEW[BOOL _ initial];
t _ Buttons.Create[
info: [
name: label, 
wx: wx,
wy: handle.height,
wh: entryHeight,	-- specify rather than defaulting so line is uniform
parent: handle.outer,
border: TRUE ],
proc: ToggleBool,
clientData: flag];	-- this will be passed to our button proc
Buttons.SetDisplayStyle[
 button: t, style: IF initial THEN $WhiteOnBlack ELSE $BlackOnWhite, paint: FALSE];
wx _ wx + t.ww + entryHSpace};

NewLine[];
Cmd["Convert", DoIt];
NewLine[];
handle.cmd.inputFile _ LabeledItem["input", 50];

NewLine[];
handle.cmd.outputFile _ LabeledItem["output", 50];
NewLine[];
handle.flipNames _ Bool["flip names", FALSE];
NewLine[];
END;
Prompt: Buttons.ButtonProc -- [parent: REF ANY, clientData: REF ANY _ NIL, mouseButton: Menus.MouseButton _ red, shift: BOOL _ FALSE, control: BOOL _ FALSE] --   = BEGIN
ph: PromptHandle _ NARROW[clientData];
ViewerTools.SetSelection[ph.viewer];		-- force the selection
END;

ToggleBool: Buttons.ButtonProc  = {
switch: REF BOOL _ NARROW [clientData]; 
switch^ _ ~switch^;
Buttons.SetDisplayStyle[
 button: NARROW[parent], 
 style: IF switch^ THEN $WhiteOnBlack ELSE $BlackOnWhite];
};

DoIt: Buttons.ButtonProc -- [parent: REF ANY, clientData: REF ANY _ NIL, mouseButton: Menus.MouseButton _ red, shift: BOOL _ FALSE, control: BOOL _ FALSE] --   = BEGIN
handle: Handle _ NARROW[clientData];	-- get our data
BEGIN
ENABLE {
UNWIND => {IF handle.in # NIL THEN handle.in.Close[]; handle.in _ NIL};
Problem, ABORTED => {handle.tsOut.PutText[" aborted"]; GO TO done}};
fName: ROPE = ViewerTools.GetContents[handle.cmd.inputFile];
pName: ROPE = ViewerTools.GetContents[handle.cmd.outputFile];
IF fName = NIL OR pName = NIL THEN {
handle.tsOut.Put[[rope["specify input file name"]], [character['\n]]];
RETURN};
handle.in _ OpenFile[fName];
IF handle.in # NIL THEN handle.eof _ FALSE; 
IF pName # NIL AND Rope.Length[pName] # 0 THEN 
handle.out _ FS.StreamOpen[fileName: pName, accessOptions: $create];
handle.tsOut.PutText["Processing:"];
WHILE ~handle.eof DO
ProcessEntry[handle];
ENDLOOP;
EXITS
done => NULL;
END; -- of Enable
IF handle.in # NIL THEN handle.in.Close[];
IF handle.out # NIL THEN handle.out.Close[];
handle.tsOut.Put[[character['\n]], [rope["done"]], [character['\n]]];
END;


UC: PROC [c: CHAR] RETURNS [CHAR] = {
RETURN[IF c IN ['a..'z] THEN VAL[c.ORD - ORD['a] + ORD['A]] ELSE c]};

CFName: PROC [h: Handle, name: ROPE] RETURNS [cf: ROPE] = {
funny: BOOLEAN _ FALSE;
lastName: REF TEXT _ NEW[TEXT[Rope.Length[name]]]; -- plenty long
FOR i: INT IN [0..Rope.Length[name]) DO
c: CHAR _ UC[Rope.Fetch[name, i]];
SELECT c FROM
', => EXIT;
'*, '+ => LOOP;
ENDCASE => {
IF c = '  AND ~funny THEN {
funny _ TRUE; h.tsOut.Put[[character['\n]], [rope[name]], [character['\n]]]};
lastName[lastName.length] _ c; lastName.length _ lastName.length + 1};
ENDLOOP;
RETURN[Rope.FromRefText[lastName]]};

OutputName: PROC [h: Handle, name: ROPE] RETURNS [flagged: BOOLEAN _ FALSE] = {
NameBreak: IO.BreakProc = {
RETURN [SELECT char FROM
'&, ', => break,
'\t => sepr, -- blanks are allowed in names
ENDCASE => other]};
ns: STREAM _ NIL;
GetName: PROC RETURNS [r: ROPE, brk: CHAR, starred: BOOL _ FALSE] = {
[] _ ns.SkipWhitespace[];
IF ns.EndOf[] THEN RETURN [NIL, 0C];
DO
SELECT ns.PeekChar[] FROM
'+, '  => {[] _ ns.GetChar[]};
'* => {[] _ ns.GetChar[]; starred _ TRUE};
ENDCASE => EXIT;
ENDLOOP;
r _ GetTokenRope[ns, NameBreak].token;
IF ns.EndOf[] THEN brk _ 0C ELSE brk _ ns.GetChar[]};
Flag: PROC = {
IF flagged THEN RETURN;
flagged _ TRUE;
h.tsOut.Put[[character['\n]], [rope[name]]]};
PR: PROC [r: ROPE] = {h.out.PutRope[r]};
t, last: ROPE; bk: CHAR;
nonMember: BOOL;
ns _ IO.RIS[name];
[last, bk] _ GetName[]; -- last name
IF bk # ', THEN Flag[];
DO
[t, bk, nonMember] _ GetName[];
IF t = NIL THEN EXIT;
SELECT bk FROM
'& => IF ~nonMember THEN PR["Mr. & Mrs. "];
', => Flag[];
ENDCASE;
IF ~nonMember THEN h.out.PutRope[t];
SELECT bk FROM
'& => IF ~nonMember THEN EXIT;
', => PR[", "];
ENDCASE => PR[" "];
ENDLOOP;
PR[last];
};

OutputEntry: PROC [h: Handle, e: Entry] = {
flagged: BOOLEAN;
PR: PROC [r: ROPE] = {h.out.PutRope[r]};
PL: PROC [r: ROPE] = {h.out.Put[[character['\n]], [rope[r]]]};
Flag: PROC = {
IF flagged THEN RETURN;
flagged _ TRUE;
h.tsOut.Put[[character['\n]], [rope[e.name[0]]]]};

IF e.addr[0] = NIL THEN RETURN;
IF h.flipNames^ THEN flagged _ OutputName[h, e.name[0]]
ELSE PL[e.name[0]];
FOR i: CARDINAL IN [0..4) DO
IF e.addr[i] = NIL THEN EXIT;
PL[e.addr[i]];
ENDLOOP;
IF e.town = NIL THEN PR["   "]
ELSE
SELECT TRUE FROM
Rope.Equal[e.town, "PA"] => PL["Palo Alto, CA   "];
Rope.Equal[e.town, "MP"] => PL["Menlo Park, CA   "];
Rope.Equal[e.town, "S"] => PL["Stanford, CA   "];
Rope.Equal[e.town, "LA"] => PL["Los Altos, CA   "];
Rope.Equal[e.town, "LAH"] => PL["Los Altos Hills, CA   "];
Rope.Equal[e.town, "C"] => PL["Cupertino, CA   "];
Rope.Equal[e.town, "Svl"] => PL["Sunnyvale, CA   "];
Rope.Equal[e.town, "A"] => PL["Atherton, CA   "];
Rope.Equal[e.town, "EPA"] => PL["Palo Alto, CA   "];
Rope.Equal[e.town, "RC"] => PL["Redwood City, CA   "];
Rope.Equal[e.town, "MV"] => PL["Mountain View, CA   "];
Rope.Equal[e.town, "SC"] => PL["Santa Clara, CA   "];
Rope.Equal[e.town, "SJ"] => PL["San Jose, CA   "];
Rope.Equal[e.town, "W"] => PL["Woodside, CA   "];
Rope.Equal[e.town, "PV"] => PL["Portola Valley, CA   "];
Rope.Equal[e.town, "LG"] => PL["Los Gatos, CA   "];
Rope.Equal[e.town, "SF"] => PL["San Francisco, CA   "];
Rope.Equal[e.town, "SM"] => PL["San Mateo, CA   "];
ENDCASE => {Flag[]; PL["????   "]};
IF e.zip # NIL THEN PR[e.zip];
h.out.Put[[character['\n]], [character['\n]]]
};

Entry: TYPE = RECORD [
caller: [0..100) _ 0,
activity, level, dinner, age: CHAR _ ' ,
phone: ARRAY [0..4) OF ROPE _ ALL[NIL],
name: ARRAY [0..4) OF ROPE _ ALL[NIL],
addr: ARRAY [0..4) OF ROPE _ ALL[NIL],
town: ROPE _ NIL,
zip: ROPE _ NIL,
comment: ROPE _ NIL];


Problem: ERROR = CODE;

MyBreak: IO.BreakProc -- [char: CHAR] RETURNS [IO.CharClass] --  = {
RETURN [SELECT char FROM
'\\, '|, '} => break,
'\t => sepr,
ENDCASE => other];
};

OpenFile: PROC [name: ROPE] RETURNS [st: STREAM] = {
st _ FS.StreamOpen[name, $read
! FS.Error => IF error.group # bug THEN CONTINUE]};

ProcessEntry: PROC [handle: Handle] = {
e: Entry;
IF handle.eof THEN RETURN;
IF handle.in = NIL THEN {
MessageWindow.Append[
message: "Please open a file first",
clearFirst: TRUE];
MessageWindow.Blink[ ];
ERROR ABORTED};
[] _ handle.in.SkipWhitespace[];
IF handle.in.EndOf[] THEN {handle.eof _ TRUE; GO TO done};
e _ ReadEntry[handle];
OutputEntry[handle, e];
EXITS
done => NULL;
};

ReadEntry: PROC [handle: Handle] RETURNS [e: Entry] = {
ENABLE IO.EndOfStream => {handle.eof _ TRUE; Quit[handle, "Syntax error "]};
st: STREAM _ handle.in;
ch: CHAR;
caller: ROPE;
i: CARDINAL;
IF (ch _ st.GetChar[]) # '{ THEN Quit[handle, "Syntax error "];
caller _ GetTokenRope[st, MyBreak].token;
IF caller # NIL THEN 
e.caller _ Convert.IntFromRope[caller ! Convert.Error => Quit[handle, "bad caller #"]];
IF (ch _ st.GetChar[]) # '| THEN Quit[handle, "Syntax error "];
BEGIN -- get campaign info
IF (ch _ st.GetChar[]) = '| THEN GO TO done;
e.activity _ ch;
IF (ch _ st.GetChar[]) = '| THEN GO TO done;
e.level _ ch;
IF (ch _ st.GetChar[]) = '| THEN GO TO done;
e.dinner _ ch;
IF (ch _ st.GetChar[]) = '| THEN GO TO done;
e.age _ ch;
IF (ch _ st.GetChar[]) # '| THEN Quit[handle, "Syntax error "];
EXITS
done => NULL;
END;
i _ 0;
DO
e.phone[i] _ GetTokenRope[st, MyBreak].token;
SELECT (ch _ st.GetChar[]) FROM
'\\ => IF i = 2 THEN Quit[handle, "Syntax error "];
'| => EXIT;
'} => RETURN;
ENDCASE => Quit[handle, "Syntax error "];
i _ i + 1;
ENDLOOP;
i _ 0;
DO
e.name[i] _ GetTokenRope[st, MyBreak].token;
SELECT (ch _ st.GetChar[]) FROM
'\\ => IF i = 3 THEN Quit[handle, "Syntax error "];
'| => EXIT;
'} => RETURN;
ENDCASE => Quit[handle, "Syntax error "];
i _ i + 1;
ENDLOOP;
i _ 0;
DO
e.addr[i] _ GetTokenRope[st, MyBreak].token;
SELECT (ch _ st.GetChar[]) FROM
'\\ => IF i = 3 THEN Quit[handle, "Syntax error "];
'| => EXIT;
'} => RETURN;
ENDCASE => GO TO badsyntax;
i _ i + 1;
ENDLOOP;
e.town _ GetTokenRope[st, MyBreak].token;
IF st.GetChar[] = '} THEN RETURN;
e.zip _ GetTokenRope[st, MyBreak].token;
IF st.GetChar[] = '} THEN RETURN;
e.comment _ GetTokenRope[st, MyBreak].token;
IF st.GetChar[] # '} THEN Quit[handle, "Syntax error "];
EXITS
badsyntax => Quit[handle, "Syntax error "];
};

Quit: PROC [handle: Handle, reason: ROPE _ NIL] = {
loc: INT = handle.in.GetIndex[];
handle.in.Close[]; handle.in _ NIL; handle.eof _ TRUE;
handle.tsOut.Put[[rope[reason]], [integer[loc]], [character['\n]]];
ERROR Problem};

GetToken: PROC [stream: STREAM, breakProc: IO.BreakProc, buffer: REF TEXT]
RETURNS[token: REF TEXT, charsSkipped: INT] = {
quit, include: BOOL _ FALSE;
anySeen: BOOL _ FALSE;
charsSkipped _ 0;
buffer.length _ 0;
DO
char: CHAR _
stream.GetChar[ ! IO.EndOfStream => IF buffer.length > 0 THEN EXIT ELSE REJECT];
SELECT breakProc[char] FROM
break => {include _ FALSE; quit _ TRUE};
sepr => {include _ FALSE; quit _ anySeen };
other => {include _ TRUE; quit _ FALSE; anySeen _ TRUE};
ENDCASE => ERROR;
IF include THEN buffer _ RefText.InlineAppendChar[buffer, char]
ELSE
IF quit THEN stream.Backup[char] ELSE charsSkipped _ charsSkipped + 1;
IF quit THEN EXIT;
ENDLOOP;
RETURN[buffer, charsSkipped];
};
GetTokenRope: PUBLIC PROC [stream: STREAM, breakProc: IO.BreakProc]
RETURNS [token: ROPE, charsSkipped: INT] = {
buffer: REF TEXT = RefText.ObtainScratch[100];
{ ENABLE UNWIND => RefText.ReleaseScratch[buffer];
tokenText: REF TEXT;
[tokenText, charsSkipped] _ GetToken[stream, breakProc, buffer];
token _ IF tokenText.length = 0 THEN NIL ELSE Rope.FromRefText[tokenText];
};
RefText.ReleaseScratch[buffer];
RETURN [token, charsSkipped];
};

Commander.Register[key: "MailingList", proc: MakeTool,
doc: "Create a mailing list file" ];
[ ] _ MakeTool[NIL];	-- and create an instance
END.




šMailingList.mesa; 
Last Edited by: Sweet, September 26, 1984 9:03:40 am PDT
The Containers interface is used to create an outer envelope or "container" for the different sections below.  For uniformity, we define some standard distances between entries in the tool.
default the width so that it will be computed for us --
default the width so that it will be computed for us --
default the width so that it will be computed for us --
force the selection into the user input field
force the selection into the user input field
one should SkipWhitespace before calling (and check for eof)
copied from IOSearchImpl because it didn't handle empty tokens properly
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