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Meeting Pearls 4
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Edit.Mod
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1995-02-14
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Syntax10.Scn.Fnt
Syntax10i.Scn.Fnt
Syntax12.Scn.Fnt
Syntax10b.Scn.Fnt
MODULE Edit; (** CAS/MH/HM 27.4.1994 **)
IMPORT
Modules, Oberon, Files, Display, Viewers, MenuViewers, Fonts, Printer,
Texts, TextFrames, ParcElems, TextPrinter;
CONST
OptionChar = "\"; (* << RC *)
Menu = "System.Close System.Copy System.Grow Edit.Search Edit.Replace Edit.Parcs Edit.Store ";
mm = TextFrames.mm; unit = TextFrames.Unit; Unit = TextPrinter.Unit;
Scale = mm DIV 10; (*unit of user setable attributes is 1/10 mm*)
headerX = 15 * mm DIV Unit;
headerW = 165 * mm DIV Unit;
bodyX = 15 * mm DIV Unit; bodyY = 15 * mm DIV Unit;
bodyW = 165 * mm DIV Unit; bodyMaxW = 180 * mm DIV Unit;
MaxPat = 128;
CR = 0DX;
R: Texts.Reader;
W: Texts.Writer;
mnam: ARRAY 12*3 + 1 OF CHAR;
find: RECORD
time, len: LONGINT;
buf: ARRAY MaxPat OF CHAR
END;
repl: RECORD
time: LONGINT;
buf: Texts.Buffer
END;
PROCEDURE Ch (ch: CHAR);
BEGIN Texts.Write(W, ch); Texts.Append(Oberon.Log, W.buf)
END Ch;
PROCEDURE Str (s: ARRAY OF CHAR);
BEGIN Texts.WriteString(W, s); Texts.Append(Oberon.Log, W.buf)
END Str;
PROCEDURE Int (n: LONGINT);
BEGIN Texts.Write(W, " "); Texts.WriteInt(W, n, 0); Texts.Append(Oberon.Log, W.buf)
END Int;
PROCEDURE Ln;
BEGIN Texts.WriteLn(W); Texts.Append(Oberon.Log, W.buf)
END Ln;
PROCEDURE Min (x, y: LONGINT): LONGINT;
BEGIN
IF x < y THEN RETURN x ELSE RETURN y END
END Min;
PROCEDURE AppendNum (VAR s: ARRAY OF CHAR; VAR i: INTEGER; n: LONGINT);
VAR j: INTEGER; digits: ARRAY 16 OF CHAR;
BEGIN j := 0;
REPEAT digits[j] := CHR(n MOD 10 + 30H); INC(j); n := n DIV 10 UNTIL n = 0;
REPEAT DEC(j); s[i] := digits[j]; INC(i) UNTIL j = 0;
s[i] := 0X
END AppendNum;
PROCEDURE AppendDate (VAR s: ARRAY OF CHAR); (*s := s & " (dd mmm yy)"*)
VAR time, date: LONGINT; i, j, k, m: INTEGER;
BEGIN Oberon.GetClock(time, date); i := 0;
WHILE s[i] # 0X DO INC(i) END;
s[i] := " "; s[i + 1] := " "; s[i + 2] := " "; s[i + 3] := "("; INC(i, 4);
AppendNum(s, i, date MOD 20H); s[i] := " "; INC(i);
m := SHORT((date DIV 20H) MOD 10H); k := m * 3; j := k - 3;
REPEAT s[i] := mnam[j]; INC(i); INC(j) UNTIL j = k;
s[i] := " "; INC(i); AppendNum(s, i, (date DIV 200H) MOD 100);
s[i] := ")"; s[i + 1] := 0X
END AppendDate;
PROCEDURE ShowAliens (t: Texts.Text);
VAR R: Texts.Reader; identify: Texts.IdentifyMsg;
BEGIN
Texts.OpenReader(R, t, 0); Texts.ReadElem(R);
WHILE ~R.eot DO identify.mod[31] := 0X; R.elem.handle(R.elem, identify);
IF identify.mod[31] = 1X THEN Ln; Str("pos"); Int(Texts.Pos(R) - 1);
Str(" unknown element allocator: "); Str(identify.mod); Ch("."); Str(identify.proc)
END;
Texts.ReadElem(R)
END;
IF W.buf.len > 0 THEN Ln; Texts.Append(Oberon.Log, W.buf) END
END ShowAliens;
(* view support *)
PROCEDURE ShowPos (F: TextFrames.Frame; pos: LONGINT);
VAR beg, end, delta: LONGINT;
BEGIN delta := 200;
LOOP beg := F.org; end := TextFrames.Pos(F, F.X + F.W, F.Y);
IF (beg <= pos) & (pos < end) OR (delta = 0) THEN EXIT END;
TextFrames.Show(F, pos - delta); delta := delta DIV 2
END
END ShowPos;
PROCEDURE SetCaret (F: TextFrames.Frame; pos: LONGINT);
BEGIN Oberon.PassFocus(Viewers.This(F.X, F.Y)); TextFrames.SetCaret(F, pos)
END SetCaret;
PROCEDURE NewView (name: ARRAY OF CHAR; class: INTEGER;
T: Texts.Text; org: LONGINT): TextFrames.Frame;
VAR V: MenuViewers.Viewer; F, M: TextFrames.Frame; buf: Texts.Buffer; i, x, y: INTEGER;
BEGIN
IF class = Texts.String THEN i := 0;
WHILE name[i] # 0X DO INC(i) END;
name[i] := 22X; INC(i); name[i] := 0X;
WHILE i >= 0 DO name[i+1] := name[i]; DEC(i) END;
name[0] := 22X
END;
F := TextFrames.NewText(T, org);
Oberon.AllocateUserViewer(Oberon.Mouse.X, x, y);
IF Files.Old("Edit.Menu.Text") = NIL THEN M := TextFrames.NewMenu(name, Menu)
ELSE M := TextFrames.NewMenu(name, "");
NEW(T); Texts.Open(T, "Edit.Menu.Text");
NEW(buf); Texts.OpenBuf(buf); Texts.Save(T, 0, T.len, buf); Texts.Append(M.text, buf)
END;
V := MenuViewers.New(M, F, TextFrames.menuH, x, y);
ShowPos(F, org);
RETURN F
END NewView;
(* search & replace *)
PROCEDURE Find (T: Texts.Text; beg: LONGINT; VAR end: LONGINT);
VAR i, j, b, e: INTEGER; ch: CHAR; ref: ARRAY MaxPat OF CHAR; (*ref [b..e) is readback buffer*)
BEGIN
Texts.OpenReader(R, T, beg); Texts.Read(R, ch); i := 0; ref[0] := ch; j := 0; b := 0; e := 1;
WHILE ~R.eot & (i < find.len) DO
IF (find.buf[i] = ch)
OR (find.buf[i] = 0FFX)
& ((ch < "0") OR (ch > "9") & (ch < "A") OR (ch > "Z") & (ch < "a") OR (ch > "z"))
THEN INC(i); j := (j + 1) MOD MaxPat
ELSE i := 0; b := (b + 1) MOD MaxPat; j := b
END;
IF j # e THEN ch := ref[j]
ELSE Texts.Read(R, ch); ref[j] := ch; e := (e + 1) MOD MaxPat; INC(beg);
END
END;
IF i = find.len THEN end := beg ELSE end := -1 END
END Find;
PROCEDURE Check (T: Texts.Text; beg: LONGINT): BOOLEAN;
VAR ch: CHAR; i: INTEGER;
BEGIN i := 0;
IF (beg >= 0) & (find.len > 0) THEN Texts.OpenReader(R, T, beg); Texts.Read(R, ch);
WHILE ~R.eot & (i < find.len) & (ch = find.buf[i]) DO Texts.Read(R, ch); INC(i) END;
END;
RETURN i = find.len
END Check;
PROCEDURE SetReplBuf;
VAR T: Texts.Text; B: Texts.Buffer; beg, end, time: LONGINT;
BEGIN Oberon.GetSelection(T, beg, end, time);
IF time > repl.time THEN repl.time := time;
Texts.OpenBuf(repl.buf); Texts.Save(T, beg, end, repl.buf)
END
END SetReplBuf;
PROCEDURE Subst (T: Texts.Text; beg: LONGINT; VAR end: LONGINT);
BEGIN Texts.Delete(T, beg, beg + find.len);
end := beg + repl.buf.len;
IF repl.buf.len > 0 THEN
Texts.Insert(T, beg, repl.buf); Texts.Save(T, beg, end, repl.buf)
END
END Subst;
(* arguments *)
PROCEDURE MarkedFrame (): TextFrames.Frame;
VAR V: Viewers.Viewer;
BEGIN V := Oberon.MarkedViewer();
IF (V # NIL) & (V IS MenuViewers.Viewer) & (V.dsc.next IS TextFrames.Frame) THEN
RETURN V.dsc.next(TextFrames.Frame)
ELSE RETURN NIL
END
END MarkedFrame;
PROCEDURE FocusFrame (): TextFrames.Frame;
VAR V: Viewers.Viewer; f: Display.Frame;
BEGIN V := Oberon.FocusViewer;
IF (V # NIL) & (V IS MenuViewers.Viewer) & (V.dsc # NIL) THEN f := V.dsc.next;
IF (f # NIL) & (f IS TextFrames.Frame) THEN RETURN f(TextFrames.Frame) ELSE RETURN NIL END
ELSE RETURN NIL
END
END FocusFrame;
PROCEDURE TargetFrame (): TextFrames.Frame; (*body frame or focus frame*)
VAR f: Display.Frame;
BEGIN
IF Oberon.Par.vwr.dsc = Oberon.Par.frame THEN f := Oberon.Par.frame.next;
IF (f # NIL) & (f IS TextFrames.Frame) THEN RETURN f(TextFrames.Frame) ELSE RETURN NIL END
ELSE RETURN FocusFrame()
END
END TargetFrame;
PROCEDURE GetMainArg (VAR S: Texts.Scanner; VAR end: LONGINT); (*takes recent selection if ^*)
VAR text: Texts.Text; beg, time: LONGINT;
BEGIN Texts.Scan(S); end := MAX(LONGINT);
IF (S.class = Texts.Char) & (S.c = "^") THEN Oberon.GetSelection(text, beg, end, time);
IF time >= 0 THEN Texts.OpenScanner(S, text, beg); Texts.Scan(S) END
END;
IF S.line # 0 THEN S.class := Texts.Inval END
END GetMainArg;
PROCEDURE GetArg (VAR S: Texts.Scanner);
(*takes selection in command frame if ^*)
VAR F: TextFrames.Frame;
BEGIN
Texts.OpenScanner(S, Oberon.Par.text, Oberon.Par.pos); Texts.Scan(S);
IF (S.class = Texts.Char) & (S.c = "^") THEN F := Oberon.Par.frame(TextFrames.Frame);
IF F.hasSel THEN
Texts.OpenScanner(S, F.text, F.selbeg.pos); Texts.Scan(S); F.time := 0;
END
END
END GetArg;
PROCEDURE Change (sel: SET);
VAR S: Texts.Scanner; fnt: Fonts.Font; text: Texts.Text; beg, end, time: LONGINT; col, off: SHORTINT;
BEGIN GetArg(S); Oberon.GetSelection(text, beg, end, time);
IF time >= 0 THEN
IF (sel = {0}) & (S.class = Texts.Name) THEN fnt := Fonts.This(S.s)
ELSIF (sel = {1}) & (S.class = Texts.Int) & (0 <= S.i) & (S.i < 16) THEN col := SHORT(SHORT(S.i))
ELSIF (sel = {2}) & (S.class = Texts.Int) & (-128 <= S.i) & (S.i < 128) THEN off := SHORT(SHORT(S.i))
ELSE sel := {}
END;
IF sel # {} THEN Texts.ChangeLooks(text, beg, end, sel, fnt, col, off) END
END
END Change;
(* commands *)
PROCEDURE Locate*;
VAR S: Texts.Scanner; F: TextFrames.Frame; text: Texts.Text; beg, end, time: LONGINT;
BEGIN F := MarkedFrame(); Oberon.GetSelection(text, beg, end, time);
IF time > 0 THEN Texts.OpenScanner(S, text, beg); Texts.Scan(S);
WHILE (S.class # Texts.Int) & (S.line = 0) & ~S.eot DO Texts.Scan(S) END;
IF (F # NIL) & (S.class = Texts.Int) & (S.line = 0) THEN ShowPos(F, S.i); SetCaret(F, S.i) END
END;
END Locate;
PROCEDURE Search*;
VAR F: TextFrames.Frame; T: Texts.Text; i, beg, end, time: LONGINT; ch: CHAR;
BEGIN Oberon.GetSelection(T, beg, end, time); F := TargetFrame();
IF time > find.time THEN find.time := time; find.len := Min(end - beg, MaxPat);
Texts.OpenReader(R, T, beg); i := 0;
REPEAT Texts.Read(R, find.buf[i]); INC(i) UNTIL i = find.len
END;
IF F # NIL THEN
IF F.hasCar THEN beg := F.carloc.pos ELSE beg := 0 END;
Find(F.text, beg, end);
IF end >= 0 THEN ShowPos(F, end); SetCaret(F, end)
ELSE TextFrames.RemoveCaret(F)
END;
TextFrames.RemoveSelection(F)
END
END Search;
PROCEDURE Show*;
VAR S: Texts.Scanner; R: Texts.Reader; F: TextFrames.Frame; text: Texts.Text;
i, j, beg, end, time: LONGINT; ch: CHAR;
name: ARRAY Modules.ModNameLen + 4 OF CHAR;
BEGIN text := Oberon.Par.text; beg := Oberon.Par.pos; end := Oberon.Par.text.len; time := Oberon.Time();
Texts.OpenScanner(S, text, beg); Texts.Scan(S);
IF (S.class = Texts.Char) & (S.c = "^") OR (S.line > 0) THEN Oberon.GetSelection(text, beg, end, time);
IF time >= 0 THEN Texts.OpenScanner(S, text, beg); Texts.Scan(S) END
END;
IF (time >= 0) & (S.class = Texts.Name) THEN i := 0;
WHILE (S.s[i] # 0X) & (S.s[i] # ".") DO name[i] := S.s[i]; INC(i) END;
IF i < Modules.ModNameLen THEN
name[i] := "."; name[i+1] := "M"; name[i+2] := "o"; name[i+3] := "d"; name[i+4] := 0X;
find.len := 0; j := i + 1;
WHILE S.s[j] # 0X DO find.buf[find.len] := S.s[j]; INC(find.len); INC(j) END;
find.buf[find.len] := 0FFX; INC(find.len);
find.time := time;
text := TextFrames.Text(name);
Find(text, 0, end); IF end < 0 THEN end := 0 END;
F := NewView(name, Texts.Name, text, end);
IF end > 0 THEN SetCaret(F, end) END
END
END
END Show;
PROCEDURE Recall*;
VAR B: Texts.Buffer; copyover: Oberon.CopyOverMsg;
BEGIN Texts.Recall(B);
IF B # NIL THEN copyover.beg := 0; copyover.end := B.len;
copyover.text := TextFrames.Text(""); Texts.Append(copyover.text, B);
Oberon.FocusViewer.handle(Oberon.FocusViewer, copyover)
END
END Recall;
PROCEDURE ClearReplaceBuffer*;
BEGIN Texts.OpenBuf(repl.buf)
END ClearReplaceBuffer;
PROCEDURE Replace*;
VAR F: TextFrames.Frame; T: Texts.Text; beg, end: LONGINT;
BEGIN F := TargetFrame(); SetReplBuf;
IF (F # NIL) & F.hasCar THEN T := F.text; end := F.carloc.pos; beg := end - find.len;
TextFrames.RemoveSelection(F);
IF Check(T, beg) THEN Subst(T, beg, end) END;
Find(T, end, beg);
IF beg >= 0 THEN ShowPos(F, beg); SetCaret(F, beg)
ELSE TextFrames.RemoveCaret(F)
END
END
END Replace;
PROCEDURE ReplaceAll*;
VAR F: TextFrames.Frame; T: Texts.Text; beg, end: LONGINT;
BEGIN F := TargetFrame(); SetReplBuf;
IF (F # NIL) & F.hasCar THEN T := F.text; end := F.carloc.pos; beg := end - find.len;
TextFrames.RemoveSelection(F);
IF Check(T, beg) THEN Subst(T, beg, end) END;
LOOP Find(T, end, beg);
IF beg < 0 THEN EXIT END;
Subst(T, beg - find.len, end)
END
END
END ReplaceAll;
PROCEDURE ChangeFont*;
BEGIN Change({0})
END ChangeFont;
PROCEDURE ChangeColor*;
BEGIN Change({1})
END ChangeColor;
PROCEDURE ChangeOffset*;
BEGIN Change({2})
END ChangeOffset;
PROCEDURE ChangeBackgroundColor*;
VAR F: TextFrames.Frame; m: MenuViewers.ModifyMsg; S: Texts.Scanner; H: INTEGER;
BEGIN F := MarkedFrame();
IF F # NIL THEN GetArg(S);
IF S.class = Texts.Int THEN
F.col := SHORT(SHORT(S.i)) MOD (Display.white+1); (*<< SHML/CN *)
m.id := MenuViewers.extend; m.Y := F.Y; H := F.H;
m.H := 0; F.handle(F, m); (*suspend*)
m.H := H; F.handle(F, m) (*extend*)
END
END
END ChangeBackgroundColor;
PROCEDURE InsertParc*;
VAR copy: Texts.CopyMsg; insert: TextFrames.InsertElemMsg;
BEGIN
TextFrames.defParc.handle(TextFrames.defParc, copy); insert.e := copy.e;
Oberon.FocusViewer.handle(Oberon.FocusViewer, insert)
END InsertParc;
PROCEDURE Parcs*;
VAR S: Texts.Scanner; V: Viewers.Viewer; F: TextFrames.Frame; um: TextFrames.UpdateMsg;
end: LONGINT; R: Texts.Reader;
BEGIN
IF Oberon.Par.frame # Oberon.Par.vwr.dsc THEN Texts.OpenScanner(S, Oberon.Par.text, Oberon.Par.pos);
Texts.Scan(S);
IF (S.class = Texts.Char) & (S.line = 0) & (S.c = "*") THEN V := Oberon.MarkedViewer() ELSE V := NIL END
ELSE V := Oberon.Par.vwr
END;
IF (V # NIL) & (V IS MenuViewers.Viewer) & (V.dsc.next IS TextFrames.Frame) THEN
F := V.dsc.next(TextFrames.Frame); F.showsParcs := ~ F.showsParcs;
Texts.OpenReader(R, F.text, F.org); Texts.ReadElem(R); end := TextFrames.Pos(F, F.X + F.W, F.Y);
WHILE (Texts.Pos(R) <= end) & (R.elem # NIL) & ~(R.elem IS TextFrames.Parc) DO Texts.ReadElem(R) END;
IF (R.elem # NIL) & (R.elem IS TextFrames.Parc) & (Texts.Pos(R) <= end) THEN
um.id := Texts.replace; um.text := F.text; um.end := end;
um.beg := Texts.Pos(R)-1;
F.handle(F, um)
END
END
END Parcs;
PROCEDURE Open*;
VAR S: Texts.Scanner; F: TextFrames.Frame; end: LONGINT;
BEGIN Texts.OpenScanner(S, Oberon.Par.text, Oberon.Par.pos); GetMainArg(S, end);
IF (S.class = Texts.Name) OR (S.class = Texts.String) THEN
F := NewView(S.s, S.class, TextFrames.Text(S.s), 0);
ShowAliens(F.text)
END
END Open;
PROCEDURE Store*;
VAR S: Texts.Scanner; R: Texts.Reader; V: Viewers.Viewer; T: Texts.Text; ch: CHAR;
BEGIN V := NIL;
IF Oberon.Par.frame = Oberon.Par.vwr.dsc THEN V := Oberon.Par.vwr
ELSIF Oberon.Pointer.on THEN V := Oberon.MarkedViewer()
END;
IF (V # NIL) & (V IS MenuViewers.Viewer) & (V.dsc IS TextFrames.Frame) & (V.dsc.next IS TextFrames.Frame) THEN
Texts.OpenScanner(S, V.dsc(TextFrames.Frame).text, 0); Texts.Scan(S);
IF (S.class = Texts.Name) OR (S.class = Texts.String) THEN
Str("Edit.Store "); Str(S.s); T := V.dsc.next(TextFrames.Frame).text;
Texts.Close(T, S.s); Int(T.len); Ln;
T := V.dsc(TextFrames.Frame).text;
Texts.OpenReader(R, T, T.len - 1); Texts.Read(R, ch);
IF ch = "!" THEN Texts.Delete(T, T.len - 1, T.len) END
END
END
END Store;
PROCEDURE Set*;
VAR S: Texts.Scanner; R: Texts.Reader; text: Texts.Text; P: TextFrames.Parc;
msg: ParcElems.StateMsg; pos, beg, end, time: LONGINT;
BEGIN GetArg(S); Oberon.GetSelection(text, beg, end, time);
IF time >= 0 THEN Texts.OpenReader(R, text, beg);
REPEAT Texts.ReadElem(R); pos := Texts.Pos(R);
IF ~R.eot & (pos <= end) & (R.elem IS TextFrames.Parc) THEN
msg.id := ParcElems.set; msg.pos := pos - 1; msg.frame := NIL; msg.par := S; msg.log := Oberon.Log;
P := R.elem(TextFrames.Parc); P.handle(P, msg);
END
UNTIL R.eot OR (pos > end)
ELSE Str("Edit.Set failed (no parc selected)"); Ln
END
END Set;
PROCEDURE Get*;
VAR S: Texts.Scanner; R: Texts.Reader; text: Texts.Text; P: TextFrames.Parc; pos, beg, end, time: LONGINT;
msg: ParcElems.StateMsg;
BEGIN GetArg(S); Oberon.GetSelection(text, beg, end, time);
IF time >= 0 THEN
Texts.OpenReader(R, text, beg); Texts.ReadElem(R); pos := Texts.Pos(R);
IF ~R.eot & (pos <= end) & (R.elem IS TextFrames.Parc) THEN
Str("Edit.Set ^ ");
msg.id := ParcElems.get; msg.pos := pos - 1; msg.frame := NIL; msg.par := S; msg.log := Oberon.Log;
P := R.elem(TextFrames.Parc); P.handle(P, msg)
ELSE Str("Edit.Get failed (no parc selected)")
END
ELSE Str("Edit.Get failed (no parc selected)")
END;
END Get;
PROCEDURE Print*;
VAR S, S1: Texts.Scanner; V: Viewers.Viewer; F: TextFrames.Frame; end: LONGINT; draft: BOOLEAN;
PROCEDURE PrintText(VAR S: Texts.Scanner; T: Texts.Text; name: ARRAY OF CHAR; draft: BOOLEAN);
CONST headerLen = 128;
VAR pos, len: LONGINT; ch: CHAR;
hx, hy, hw, bx, by, bw, bh, i, k: INTEGER;
nofcopies, pno, first, last, arab: INTEGER;
fnt: Fonts.Font; label, labelfirst, alt: BOOLEAN;
header: ARRAY headerLen OF CHAR;
BEGIN hx := headerX; hw := headerW;
hy := SHORT((LONG(Printer.PageHeight) * Unit - 17 * mm) DIV Unit);
bx := bodyX; by := bodyY; bw := bodyW;
bh := SHORT((LONG(Printer.PageHeight) * Unit - 37 * mm) DIV Unit);
nofcopies := 1; pno := 0; first := 0; last := 10000; arab := 1;
label := TRUE; labelfirst := TRUE; alt := FALSE;
header[0] := 0X; fnt := Fonts.Default;
Texts.Scan(S);
WHILE (S.class = Texts.Char) & (S.c = OptionChar) DO
Texts.Scan(S);
IF S.class = Texts.Name THEN ch := CAP(S.s[0]);
IF ch # "H" THEN Texts.Scan(S) END;
IF ch = "A" THEN alt := TRUE
ELSIF (ch = "C") & (S.class = Texts.Int) & (1 <= S.i) & (S.i < 10) THEN nofcopies := SHORT(S.i); Texts.Scan(S)
ELSIF (ch = "F") & (S.class = Texts.Name) THEN fnt := Fonts.This(S.s); Texts.Scan(S)
ELSIF ch = "H" THEN
REPEAT Texts.Read(S, ch) UNTIL (ch > " ") OR S.eot;
IF ch = 22X THEN i := 0; (* read string *)
REPEAT Texts.Read(S, ch); header[i] := ch; INC(i) UNTIL (ch = 22X) OR (ch = CR);
header[i-1] := 0X; Texts.Read(S, ch);
(*COPY(S.s, header); Texts.Scan(S)*)
ELSE COPY(name, header); AppendDate(header)
END;
S.nextCh := ch; Texts.Scan(S);
ELSIF ch = "M" THEN (*margin options*)
IF S.class = Texts.Name THEN ch := CAP(S.s[0]); Texts.Scan(S); i := 0;
WHILE (S.class = Texts.Int) & (0 <= S.i) DO
k := SHORT(S.i * Scale DIV TextPrinter.Unit); INC(i); Texts.Scan(S);
IF ch = "H" THEN
IF i = 1 THEN hx := k ELSIF i = 2 THEN hy := k ELSIF i = 3 THEN hw := k END
ELSIF ch = "B" THEN
IF i = 1 THEN bx := k ELSIF i = 2 THEN by := k
ELSIF i = 3 THEN bw := k ELSIF i = 4 THEN bh := k
END
END
END
END
ELSIF ch = "P" THEN (*page numbering options*)
IF (S.class = Texts.Int) & (0 <= S.i) THEN pno := SHORT(S.i); first := pno; Texts.Scan(S)
ELSIF S.class = Texts.Name THEN ch := CAP(S.s[0]); Texts.Scan(S);
IF ch = "F" THEN labelfirst := FALSE
ELSIF ch = "N" THEN label := FALSE
ELSIF ch = "R" THEN arab := -1;
IF first = 0 THEN pno := 1; first := 1 END
END
END
ELSIF (ch = "S") & (S.class = Texts.Int) & (0 <= S.i) THEN first := SHORT(S.i); Texts.Scan(S);
IF (S.class = Texts.Int) & (0 <= S.i) THEN last := SHORT(S.i); Texts.Scan(S) ELSE last := first END
END
END
END;
Ch(" "); Str(name); Int(nofcopies); Ch(" ");
IF draft THEN TextPrinter.PrintDraft(T, name, nofcopies)
ELSE pos := 0; len := T.len;
WHILE (pos < len) & (pno <= last) & (Printer.res = 0) DO
IF (first <= pno) & label & labelfirst THEN
TextPrinter.PlaceHeader(hx, hy, hw, arab*pno, fnt, header, alt)
END;
TextPrinter.PlaceBody(bx, by, bw, bh, T, pos, pno, (first <= pno) & (pno <= last));
IF first <= pno THEN Printer.Page(nofcopies); Ch(".") ELSE Ch("'") END;
INC(pno); labelfirst := TRUE
END
END;
Ln
END PrintText;
BEGIN Str("Edit.Print "); Texts.OpenScanner(S, Oberon.Par.text, Oberon.Par.pos); Texts.Scan(S);
IF ((S.class = Texts.Name) OR (S.class = Texts.String)) & (S.line = 0) THEN Str(S.s);
Printer.Open(S.s, Oberon.User, Oberon.Password); TextPrinter.InitFonts;
IF Printer.res = 0 THEN GetMainArg(S, end);
IF (S.class = Texts.Char) & (S.c = "%") THEN draft := TRUE; Texts.Scan(S) ELSE draft := FALSE END;
IF Oberon.Par.frame = Oberon.Par.vwr.dsc THEN
F := Oberon.Par.frame(TextFrames.Frame);
IF (F.next # NIL) & (F.next IS TextFrames.Frame) THEN
Texts.OpenScanner(S1, F.text, 0); Texts.Scan(S1);
PrintText(S, F.next(TextFrames.Frame).text, S1.s, draft)
END
ELSIF (S.class = Texts.Char) & (S.c = "*") THEN V := Oberon.MarkedViewer();
IF (V IS MenuViewers.Viewer) & (V.dsc.next IS TextFrames.Frame) THEN
Texts.OpenScanner(S1, V.dsc(TextFrames.Frame).text, 0); Texts.Scan(S1);
IF S1.class # Texts.Name THEN S1.s[0] := "*"; S1.s[1] := 0X END;
PrintText(S, V.dsc.next(TextFrames.Frame).text, S1.s, draft)
ELSE Str(" failed (bad * marker)"); Ln
END
ELSIF S.class = Texts.Name THEN
REPEAT
PrintText(S, TextFrames.Text(S.s), S.s, draft)
UNTIL S.eot OR (S.class # Texts.Name) OR (Texts.Pos(S) > end)
ELSE Ln
END;
Printer.Close
ELSE Str(" failed (");
IF Printer.res = 1 THEN Str("no such printer)")
ELSIF Printer.res = 2 THEN Str("no link)")
ELSIF Printer.res = 3 THEN Str("printer not ready)")
ELSIF Printer.res = 4 THEN Str("no permission)")
ELSE Str("res ="); Int(Printer.res); Str(" ?)")
END;
Ln
END
ELSE Str("failed (no printer specified)"); Ln
END
END Print;
BEGIN Texts.OpenWriter(W);
mnam := "JanFebMarAprMayJunJulAugSepOctNovDec";
find.time := -1; find.len := 0;
repl.time := -1; NEW(repl.buf); Texts.OpenBuf(repl.buf)
END Edit.