MODULE HostTextConv;
(**
project = "BlackBox"
organization = "www.oberon.ch"
contributors = "Oberon microsystems, Alexander Iljin"
version = "System/Rsrc/About"
copyright = "System/Rsrc/About"
license = "Docu/BB-License"
changes = ""
issues = ""
**)
IMPORT
SYSTEM, WinApi, WinOle, COM,
Files, Fonts, Ports, Stores, Views, Properties,
HostFonts, HostClipboard, TextModels,
TextRulers, TextViews, TextMappers;
CONST
CR = 0DX; LF = 0AX; FF = 0EX; TAB = 09X;
halfpoint = Ports.point DIV 2;
twips = Ports.point DIV 20;
TYPE
Context = POINTER TO RECORD
next: Context;
dest: INTEGER;
uniCnt : INTEGER;
attr: TextModels.Attributes;
pattr: TextRulers.Attributes
END;
MemReader = POINTER TO RECORD (Files.Reader)
adr, pos: INTEGER
END;
VAR
debug*: BOOLEAN;
(* MemReader *)
PROCEDURE (r: MemReader) Base (): Files.File;
BEGIN
RETURN NIL
END Base;
PROCEDURE (r: MemReader) Pos (): INTEGER;
BEGIN
RETURN r.pos
END Pos;
PROCEDURE (r: MemReader) SetPos (pos: INTEGER);
BEGIN
r.pos := pos
END SetPos;
PROCEDURE (r: MemReader) ReadByte (OUT x: BYTE);
BEGIN
SYSTEM.GET(r.adr + r.pos, x); INC(r.pos)
END ReadByte;
PROCEDURE (r: MemReader) ReadBytes (VAR x: ARRAY OF BYTE; beg, len: INTEGER);
BEGIN
HALT(126)
END ReadBytes;
PROCEDURE GenGlobalMedium (hg: WinApi.HGLOBAL; unk: COM.IUnknown; VAR sm: WinOle.STGMEDIUM);
BEGIN
sm.tymed := WinOle.TYMED_HGLOBAL;
sm.u.hGlobal := hg;
sm.pUnkForRelease := unk
END GenGlobalMedium;
PROCEDURE MediumGlobal (VAR sm: WinOle.STGMEDIUM): WinApi.HGLOBAL;
BEGIN
ASSERT(sm.tymed = WinOle.TYMED_HGLOBAL, 20);
RETURN sm.u.hGlobal
END MediumGlobal;
PROCEDURE WriteWndChar (wr: TextModels.Writer; ch: CHAR);
BEGIN
CASE ch OF
| CR, TAB, " "..7EX, 0A0X..0FFX: wr.WriteChar(ch)
| LF:
| 80X: wr.WriteChar(20ACX) (* euro *)
| 82X: wr.WriteChar(201AX)
| 83X: wr.WriteChar(0192X)
| 84X: wr.WriteChar(201EX)
| 85X: wr.WriteChar(2026X)
| 86X: wr.WriteChar(2020X)
| 87X: wr.WriteChar(2021X)
| 88X: wr.WriteChar(02C6X)
| 89X: wr.WriteChar(2030X)
| 8AX: wr.WriteChar(0160X)
| 8BX: wr.WriteChar(2039X)
| 8CX: wr.WriteChar(0152X)
| 91X: wr.WriteChar(2018X)
| 92X: wr.WriteChar(2019X)
| 93X: wr.WriteChar(201CX)
| 94X: wr.WriteChar(201DX)
| 95X: wr.WriteChar(2022X)
| 96X: wr.WriteChar(2013X)
| 97X: wr.WriteChar(2014X)
| 98X: wr.WriteChar(02DCX)
| 99X: wr.WriteChar(2122X)
| 9AX: wr.WriteChar(0161X)
| 9BX: wr.WriteChar(203AX)
| 9CX: wr.WriteChar(0153X)
| 9FX: wr.WriteChar(0178X)
| 0X..8X, 0BX, 0CX, 0EX..1FX, 7FX, 81X, 8DX..90X, 9DX, 9EX:
wr.WriteChar(CHR(0EF00H + ORD(ch)))
END
END WriteWndChar;
PROCEDURE ThisWndChar (ch: CHAR): CHAR;
BEGIN
IF ch >= 100X THEN
IF (ch >= 0EF00X) & (ch <= 0EFFFX) THEN ch := CHR(ORD(ch) - 0EF00H)
ELSIF ch =20ACX THEN ch := 80X (* euro *)
ELSIF ch =201AX THEN ch := 82X
ELSIF ch =0192X THEN ch := 83X
ELSIF ch =201EX THEN ch := 84X
ELSIF ch =2026X THEN ch := 85X
ELSIF ch =2020X THEN ch := 86X
ELSIF ch =2021X THEN ch := 87X
ELSIF ch =02C6X THEN ch := 88X
ELSIF ch =2030X THEN ch := 89X
ELSIF ch =0160X THEN ch := 8AX
ELSIF ch =2039X THEN ch := 8BX
ELSIF ch =0152X THEN ch := 8CX
ELSIF ch =2018X THEN ch := 91X
ELSIF ch =2019X THEN ch := 92X
ELSIF ch =201CX THEN ch := 93X
ELSIF ch =201DX THEN ch := 94X
ELSIF ch =2022X THEN ch := 95X
ELSIF ch =2013X THEN ch := 96X
ELSIF ch =2014X THEN ch := 97X
ELSIF ch =02DCX THEN ch := 98X
ELSIF ch =2122X THEN ch := 99X
ELSIF ch =0161X THEN ch := 9AX
ELSIF ch =203AX THEN ch := 9BX
ELSIF ch =0153X THEN ch := 9CX
ELSIF ch =0178X THEN ch := 9FX
ELSEch := "?"
END
ELSIF ch = 08FX THEN ch := " " (* digit space *)
END;
RETURN ch
END ThisWndChar;
PROCEDURE ParseRichText (rd: Files.Reader; wr: TextModels.Writer; VAR defRuler: TextRulers.Ruler);
TYPE
FontInfo = POINTER TO RECORD id: INTEGER; f: Fonts.Typeface; next: FontInfo END;
ColorInfo = POINTER TO RECORD id: INTEGER; c: Ports.Color; next: ColorInfo END;
CONST text = 0; fonttab = 1; colortab = 2; skip = 3;
VAR ch: CHAR; tabStyle: SET;
fact, val, defFont, dest, idx, fnum, cnum, paraPos, i: INTEGER;
fonts, font: FontInfo; colors: ColorInfo;
hasNum, remPar, skipDest: BOOLEAN;
f: Fonts.Font; comm: ARRAY 32 OF CHAR;
c, con: Context; p0: Properties.Property; p: TextRulers.Prop;
ruler: TextRulers.Ruler;
pattr: TextRulers.Attributes;
skipCnt, uniCnt : INTEGER;
PROCEDURE Color(i: INTEGER): ColorInfo;
VAR c: ColorInfo;
BEGIN
ASSERT(colors # NIL, 20);
c := colors;
WHILE (c # NIL) & (c.id # i) DO c := c.next END;
ASSERT(c # NIL, 100);
RETURN c
END Color;
PROCEDURE SetColor(i: INTEGER; c: Ports.Color);
VAR ci: ColorInfo;
BEGIN
NEW(ci); ci.id := i; ci.c := c; ci.next := colors; colors := ci
END SetColor;
PROCEDURE Font(i: INTEGER): FontInfo;
VAR f: FontInfo;
BEGIN
ASSERT(fonts # NIL, 20);
f := fonts;
WHILE (f # NIL) & (f.id # i) DO f := f.next END;
ASSERT(f # NIL, 100);
RETURN f
END Font;
PROCEDURE SetFont(i: INTEGER; tf: Fonts.Typeface);
VAR f: FontInfo;
BEGIN
NEW(f); f.id := i; f.f := tf; f.next := fonts; fonts := f
END SetFont;
PROCEDURE Next (VAR ch: CHAR);
VAR b: BYTE;
BEGIN
rd.ReadByte(b); ch := CHR(b MOD 256)
END Next;
PROCEDURE Write (ch: CHAR);
BEGIN
IF skipCnt > 0 THEN
DEC(skipCnt)
ELSIF dest = text THEN
IF ch < 100X THEN WriteWndChar(wr, ch)
ELSE wr.WriteChar(ch)
END
ELSIF dest = fonttab THEN
ASSERT(font # NIL, 20);
font.f[idx] := ch; INC(idx); font.f[idx] := 0X
END
END Write;
PROCEDURE Paragraph;
VAR v: Views.View;
BEGIN
IF ~pattr.Equals(ruler.style.attr) THEN (* new ruler needed *)
wr.SetPos(paraPos);
v := Views.CopyOf(ruler, Views.deep); ruler := v(TextRulers.Ruler);
ruler.style.SetAttr(pattr);
wr.WriteView(ruler, Views.undefined, Views.undefined);
wr.SetPos(wr.Base().Length())
ELSIF (pattr.first # pattr.left)
OR (pattr.lead > 0)
OR (TextRulers.pageBreak IN pattr.opts) THEN (* paragraph marker needed *)
wr.SetPos(paraPos);
wr.WriteChar(FF);
wr.SetPos(wr.Base().Length())
END;
wr.WriteChar(CR);
paraPos := wr.Pos()
END Paragraph;
BEGIN
defFont := 0; fnum := 1; f := Fonts.dir.Default(); NEW(fonts); fonts.f := f.typeface; skipCnt := 0; uniCnt := 1;
cnum := 1; NEW(colors); SetColor(0, Ports.defaultColor);
dest := text; con := NIL; paraPos := 0; remPar := FALSE; skipDest := FALSE;
defRuler := TextRulers.dir.New(NIL); ruler := defRuler; pattr := defRuler.style.attr; tabStyle := {};
Next(ch);
WHILE ch # 0X DO
IF ch = "{" THEN
skipCnt := 0;
NEW(c); c.dest := dest; c.attr := wr.attr; c.pattr := pattr; c.uniCnt := uniCnt; c.next := con; con := c;
Next(ch)
ELSIF ch = "}" THEN
skipCnt := 0;
IF con # NIL THEN
dest := con.dest; uniCnt := con.uniCnt; wr.SetAttr(con.attr); pattr := con.pattr; con := con.next
END;
Next(ch)
ELSIF ch = "\" THEN
Next(ch); i := 0; val := 0;
IF (ch >= "a") & (ch <= "z") THEN
WHILE (ch >= "a") & (ch <= "z") DO comm[i] := ch; INC(i); Next(ch) END;
comm[i] := 0X; fact := 1; hasNum := FALSE;
IF ch = "-" THEN fact := -1; Next(ch) END;
WHILE (ch >= "0") & (ch <= "9") DO
val := 10 * val + ORD(ch) - ORD("0"); Next(ch); hasNum := TRUE
END;
val := val * fact;
IF ch = " " THEN Next(ch) END;
(* special characters *)
IF skipCnt > 0 THEN DEC(skipCnt) (* command skipped as single character *)
ELSIF comm = "tab" THEN Write(TAB)
ELSIF comm = "line" THEN Write(CR)
ELSIF comm = "par" THEN Paragraph
ELSIF comm = "sect" THEN Paragraph
ELSIF comm ="ldblquote" THEN Write(201CX) (* unicode: left double quote *)
ELSIF comm = "rdblquote" THEN Write(201DX) (* unicode: right double quote *)
ELSIF comm = "lquote" THEN Write(2018X) (* unicode: left single quote *)
ELSIF comm = "rquote" THEN Write(2019X) (* unicode: right single quote *)
ELSIF comm = "enspace" THEN Write(2002X) (* unicode: en space *)
ELSIF comm = "emspace" THEN Write(2003X) (* unicode: em space *)
ELSIF comm = "endash" THEN Write(2013X) (* unicode: en dash *)
ELSIF comm = "emdash" THEN Write(2014X) (* unicode: em dash *)
ELSIF comm = "page" THEN
Paragraph; NEW(p);
p.valid := {TextRulers.opts}; p.opts.val := {TextRulers.pageBreak}; p.opts.mask := p.opts.val;
pattr := TextRulers.ModifiedAttr(pattr, p)
(* character attributes *)
ELSIF comm = "plain" THEN
wr.SetAttr(TextModels.NewWeight(wr.attr, Fonts.normal));
wr.SetAttr(TextModels.NewStyle(wr.attr, {}));
wr.SetAttr(TextModels.NewTypeface(wr.attr, Font(defFont).f));
wr.SetAttr(TextModels.NewSize(wr.attr, 24 * halfpoint));
wr.SetAttr(TextModels.NewColor(wr.attr, Ports.defaultColor));
wr.SetAttr(TextModels.NewOffset(wr.attr, 0))
ELSIF comm = "b" THEN
IF hasNum & (val = 0) THEN wr.SetAttr(TextModels.NewWeight(wr.attr, Fonts.normal))
ELSE wr.SetAttr(TextModels.NewWeight(wr.attr, Fonts.bold))
END
ELSIF comm = "i" THEN
IF hasNum & (val = 0) THEN
wr.SetAttr(TextModels.NewStyle(wr.attr, wr.attr.font.style - {Fonts.italic}))
ELSE wr.SetAttr(TextModels.NewStyle(wr.attr, wr.attr.font.style + {Fonts.italic}))
END
ELSIF comm = "ul" THEN
IF hasNum & (val = 0) THEN
wr.SetAttr(TextModels.NewStyle(wr.attr, wr.attr.font.style - {Fonts.underline}))
ELSE wr.SetAttr(TextModels.NewStyle(wr.attr, wr.attr.font.style + {Fonts.underline}))
END
ELSIF comm = "strike" THEN
IF hasNum & (val = 0) THEN
wr.SetAttr(TextModels.NewStyle(wr.attr, wr.attr.font.style - {Fonts.strikeout}))
ELSE wr.SetAttr(TextModels.NewStyle(wr.attr, wr.attr.font.style + {Fonts.strikeout}))
END
ELSIF comm = "f" THEN
IF ~hasNum THEN val := defFont END;
IF dest = fonttab THEN
fnum := val; idx := 0; NEW(font); font.id := val; font.next := fonts; fonts := font
ELSE
wr.SetAttr(TextModels.NewTypeface(wr.attr, Font(val).f))
END
ELSIF comm = "fs" THEN
IF ~hasNum THEN val := 24 END;
wr.SetAttr(TextModels.NewSize(wr.attr, val * halfpoint))
ELSIF comm = "cf" THEN
wr.SetAttr(TextModels.NewColor(wr.attr, Color(val).c))
ELSIF comm = "dn" THEN
IF ~hasNum THEN val := 6 END;
wr.SetAttr(TextModels.NewOffset(wr.attr, -(val * halfpoint)))
ELSIF comm = "up" THEN
IF ~hasNum THEN val := 6 END;
wr.SetAttr(TextModels.NewOffset(wr.attr, val * halfpoint))
(* paragraph attributes *)
ELSIF comm = "pard" THEN
pattr := defRuler.style.attr; tabStyle := {}
ELSIF comm = "fi" THEN
NEW(p);
p.valid := {TextRulers.first}; p.first := pattr.left + val * twips;
IF p.first < 0 THEN (* change left indent to make the value legal *)
p.valid := {TextRulers.left, TextRulers.first};
p.left := pattr.left - p.first; p.first := 0
END;
pattr := TextRulers.ModifiedAttr(pattr, p)
ELSIF comm = "li" THEN
NEW(p);
p.valid := {TextRulers.left, TextRulers.first};
p.left := val * twips; p.first := p.left + pattr.first - pattr.left;
pattr := TextRulers.ModifiedAttr(pattr, p)
ELSIF comm = "ql" THEN
NEW(p);
p.valid := {TextRulers.opts}; p.opts.val := {TextRulers.leftAdjust};
p.opts.mask := {TextRulers.leftAdjust, TextRulers.rightAdjust};
pattr := TextRulers.ModifiedAttr(pattr, p)
ELSIF comm = "qr" THEN
NEW(p);
p.valid := {TextRulers.opts}; p.opts.val := {TextRulers.rightAdjust};
p.opts.mask := {TextRulers.leftAdjust, TextRulers.rightAdjust};
pattr := TextRulers.ModifiedAttr(pattr, p)
ELSIF comm = "qc" THEN
NEW(p);
p.valid := {TextRulers.opts}; p.opts.val := {};
p.opts.mask := {TextRulers.leftAdjust, TextRulers.rightAdjust};
pattr := TextRulers.ModifiedAttr(pattr, p)
ELSIF comm = "qj" THEN
NEW(p);
p.valid := {TextRulers.opts}; p.opts.val := {TextRulers.leftAdjust, TextRulers.rightAdjust};
p.opts.mask := {TextRulers.leftAdjust, TextRulers.rightAdjust};
pattr := TextRulers.ModifiedAttr(pattr, p)
ELSIF comm = "sb" THEN
NEW(p);
p.valid := {TextRulers.lead}; p.lead := val * twips;
pattr := TextRulers.ModifiedAttr(pattr, p)
ELSIF comm = "sl" THEN
NEW(p);
p.valid := {TextRulers.grid}; p.grid := val * twips;
pattr := TextRulers.ModifiedAttr(pattr, p)
ELSIF comm = "tqc" THEN
tabStyle := {TextRulers.centerTab}
ELSIF (comm = "tqr") OR (comm="tqdec") THEN
tabStyle := {TextRulers.rightTab}
ELSIF comm = "tb" THEN
p0 := pattr.Prop(); p := p0(TextRulers.Prop);
p.valid := {TextRulers.tabs};
p.tabs.tab[p.tabs.len].stop := val * twips;
p.tabs.tab[p.tabs.len].type := {TextRulers.barTab}; tabStyle := {};
INC(p.tabs.len);
pattr := TextRulers.ModifiedAttr(pattr, p)
ELSIF comm = "tx" THEN
p0 := pattr.Prop(); p := p0(TextRulers.Prop);
p.valid := {TextRulers.tabs};
p.tabs.tab[p.tabs.len].stop := val * twips;
p.tabs.tab[p.tabs.len].type := tabStyle; tabStyle := {};
INC(p.tabs.len);
pattr := TextRulers.ModifiedAttr(pattr, p)
ELSIF comm = "pagebb" THEN
NEW(p);
p.valid := {TextRulers.opts}; p.opts.val := {TextRulers.pageBreak}; p.opts.mask := p.opts.val;
pattr := TextRulers.ModifiedAttr(pattr, p)
(* header *)
ELSIF comm = "deff" THEN
IF hasNum THEN defFont := val END
ELSIF comm = "fonttbl" THEN
IF dest # skip THEN dest := fonttab END
ELSIF comm = "colortbl" THEN
IF dest # skip THEN dest := colortab; cnum := 0; SetColor(0, 0) END
ELSIF comm = "red" THEN
IF dest = colortab THEN SetColor(cnum, Color(cnum).c + val MOD 256) END
ELSIF comm = "green" THEN
IF dest = colortab THEN SetColor(cnum, Color(cnum).c + val MOD 256 * 256) END
ELSIF comm = "blue" THEN
IF dest = colortab THEN SetColor(cnum, Color(cnum).c + val MOD 256 *65536) END
ELSIF comm = "rtf" THEN
ELSIF comm = "ansi" THEN
ELSIF comm = "lang" THEN
ELSIF comm = "langfe" THEN
ELSIF comm = "loch" THEN
ELSIF comm = "ltrch" THEN
ELSIF comm = "rtlch" THEN
ELSIF comm = "ansicpg" THEN
(* misc *)
ELSIF comm = "bin" THEN rd.SetPos(rd.Pos() + val - 1); Next(ch)
(* unicode *)
ELSIF comm = "u" THEN Write(CHR(val)); skipCnt := uniCnt
ELSIF comm = "uc" THEN IF hasNum THEN uniCnt := val END
ELSIF comm = "upr" THEN dest := skip (* skip ANSI part *)
ELSIF comm = "ud" THEN dest := text (* use Unicode part *)
(* unhandled destinations *)
ELSIF comm = "author" THEN dest := skip
ELSIF comm = "buptim" THEN dest := skip
ELSIF comm = "comment" THEN dest := skip
ELSIF comm = "creatim" THEN dest := skip
ELSIF comm = "doccomm" THEN dest := skip
ELSIF comm = "footer" THEN dest := skip
ELSIF comm = "footerl" THEN dest := skip
ELSIF comm = "footerr" THEN dest := skip
ELSIF comm = "footerf" THEN dest := skip
ELSIF comm = "footnote" THEN dest := skip
ELSIF comm = "ftnsep" THEN dest := skip
ELSIF comm = "ftnsepc" THEN dest := skip
ELSIF comm = "ftncn" THEN dest := skip
ELSIF comm = "header" THEN dest := skip
ELSIF comm = "headerl" THEN dest := skip
ELSIF comm = "headerr" THEN dest := skip
ELSIF comm = "headerf" THEN dest := skip
ELSIF comm = "info" THEN dest := skip
ELSIF comm = "keywords" THEN dest := skip
ELSIF comm = "object" THEN dest := skip
ELSIF comm = "operator" THEN dest := skip
ELSIF comm = "pict" THEN dest := skip
ELSIF comm = "printim" THEN dest := skip
ELSIF comm = "private1" THEN dest := skip
ELSIF comm = "revtim" THEN dest := skip
ELSIF comm = "rxe" THEN dest := skip
ELSIF comm = "stylesheet" THEN dest := skip
ELSIF comm = "subject" THEN dest := skip
ELSIF comm = "tc" THEN dest := skip
ELSIF comm = "title" THEN dest := skip
ELSIF comm = "txe" THEN dest := skip
ELSIF comm = "xe" THEN dest := skip
ELSE (* unknown *)
IF skipDest & (con # NIL) & (con.next # NIL) THEN dest := skip END
END;
skipDest := FALSE
ELSIF ch = "'" THEN
Next(ch);
IF ch <= "9" THEN val := ORD(ch) - ORD("0") ELSE val := ORD(CAP(ch)) - ORD("A") + 10 END;
Next(ch);
IF ch <= "9" THEN val := 16 * val + ORD(ch) - ORD("0")
ELSE val := 16 * val + ORD(CAP(ch)) - ORD("A") + 10
END;
Write(CHR(val)); Next(ch)
ELSE
IF ch = "~" THEN Write(0A0X) (* nonbreaking space *)
ELSIF ch = "-" THEN Write(0ADX) (* soft hyphen *)
ELSIF ch = "_" THEN Write(2011X) (* nonbreaking hyphen *)
ELSIF ch = "*" THEN skipDest := TRUE
ELSIF (ch = LF) OR (ch = CR) THEN Paragraph
ELSIF (ch = "{") OR (ch = "}") OR (ch = "\") THEN Write(ch)
END;
Next(ch)
END
ELSIF ch = ";" THEN
IF dest = fonttab THEN font := Font(fnum); font.f[idx] := 0X; INC(idx)
ELSIF dest = colortab THEN INC(cnum); SetColor(cnum, 0)
ELSIF dest = text THEN Write(";")
END;
Next(ch)
ELSIF ch >= " " THEN
Write(ch); Next(ch)
ELSE
Next(ch)
END
END
END ParseRichText;
PROCEDURE ConvertToRichText (in: TextViews.View; beg, end: INTEGER; VAR out: TextModels.Model);
VAR r: TextModels.Reader; w: TextMappers.Formatter; ch: CHAR; f: Fonts.Font;
attr, attr0: TextModels.Attributes; col: Ports.Color; tf, atf: Fonts.Typeface; p, size, asize, offs: INTEGER;
style, astyle: SET; weight, aweight: INTEGER; rattr, rattr0: TextRulers.Attributes; ruler: TextRulers.Ruler;
text: TextModels.Model; firstLine, firstLine0: BOOLEAN; fonts: ARRAY 256 OF Fonts.Typeface;
colors: ARRAY 256 OF Ports.Color; fnum, cnum, i: INTEGER;
BEGIN
out := TextModels.dir.New(); w.ConnectTo(out);
f := Fonts.dir.Default(); tf := f.typeface;
fnum := 1; fonts[0] := tf;
cnum := 1; colors[0] := Ports.defaultColor;
col := Ports.defaultColor; size := 12 * Ports.point;
offs := 0; style := {}; weight := Fonts.normal;
attr0 := NIL; rattr0 := NIL; firstLine := TRUE; firstLine0 := FALSE;
text := in.ThisModel(); r := text.NewReader(NIL);
ruler := TextViews.ThisRuler(in, beg); rattr := ruler.style.attr;
r.SetPos(beg); r.ReadChar(ch);
WHILE ~r.eot & (r.Pos() <= end) DO
attr := r.attr;
IF (r.view # NIL) & (r.view IS TextRulers.Ruler) THEN
ruler := r.view(TextRulers.Ruler); rattr := ruler.style.attr;
firstLine := TRUE
ELSIF ch = FF THEN firstLine := TRUE
END;
IF (rattr # rattr0) OR (firstLine # firstLine0) THEN
IF (rattr # rattr0) OR (rattr.first # rattr.left) OR (rattr.lead # 0) OR (TextRulers.pageBreak IN rattr.opts)
THEN
w.WriteSString("\pard");
IF rattr.left # 0 THEN
w.WriteSString("\li"); w.WriteInt(rattr.left DIV twips)
END;
IF firstLine & (rattr.first # rattr.left) THEN
w.WriteSString("\fi"); w.WriteInt((rattr.first - rattr.left) DIV twips)
END;
IF firstLine & (rattr.lead # 0) THEN
w.WriteSString("\sb"); w.WriteInt(rattr.lead DIV twips)
END;
IF rattr.grid > Ports.point THEN
w.WriteSString("\sl"); w.WriteInt(rattr.grid DIV twips); w.WriteSString("\slmult1")
END;
IF {TextRulers.leftAdjust, TextRulers.rightAdjust} - rattr.opts = {} THEN w.WriteSString("\qj")
ELSIF TextRulers.rightAdjust IN rattr.opts THEN w.WriteSString("\qr")
ELSIF ~(TextRulers.leftAdjust IN rattr.opts) THEN w.WriteSString("\qc")
END;
IF firstLine & (TextRulers.pageBreak IN rattr.opts) THEN
w.WriteSString("\pagebb")
END;
i := 0;
WHILE i < rattr.tabs.len DO
IF TextRulers.centerTab IN rattr.tabs.tab[i].type THEN w.WriteSString("\tqc") END;
IF TextRulers.rightTab IN rattr.tabs.tab[i].type THEN w.WriteSString("\tqr") END;
IF TextRulers.barTab IN rattr.tabs.tab[i].type THEN w.WriteSString("\tb") END;
w.WriteSString("\tx"); w.WriteInt(rattr.tabs.tab[i].stop DIV twips);
INC(i)
END;
w.WriteChar(" ")
END;
rattr0 := rattr; firstLine0 := firstLine
END;
IF attr # attr0 THEN
p := w.Pos();
IF attr.color # col THEN
i := 0; WHILE (i < cnum) & (colors[i] # attr.color) DO INC(i) END;
IF i = cnum THEN colors[i] := attr.color; INC(cnum) END;
w.WriteSString("\cf"); w.WriteInt(i);
col := attr.color
END;
atf := attr.font.typeface$; asize := attr.font.size; astyle := attr.font.style; aweight := attr.font.weight;
IF atf # tf THEN
i := 0; WHILE (i < fnum) & (fonts[i] # atf) DO INC(i) END;
IF i = fnum THEN fonts[i] := atf; INC(fnum) END;
w.WriteSString("\f"); w.WriteInt(i);
tf := atf
END;
IF asize # size THEN
w.WriteSString("\fs"); w.WriteInt(asize DIV halfpoint);
size := asize
END;
IF astyle # style THEN
IF (Fonts.italic IN astyle) & ~(Fonts.italic IN style) THEN w.WriteSString("\i")
ELSIF ~(Fonts.italic IN astyle) & (Fonts.italic IN style) THEN w.WriteSString("\i0")
END;
IF (Fonts.underline IN astyle) & ~(Fonts.underline IN style) THEN w.WriteSString("\ul")
ELSIF ~(Fonts.underline IN astyle) & (Fonts.underline IN style) THEN w.WriteSString("\ul0")
END;
IF (Fonts.strikeout IN astyle) & ~(Fonts.strikeout IN style) THEN w.WriteSString("\strike")
ELSIF ~(Fonts.strikeout IN astyle) & (Fonts.strikeout IN style) THEN w.WriteSString("\strike0")
END;
style := astyle
END;
IF aweight # weight THEN
IF (aweight > Fonts.normal) & (weight = Fonts.normal) THEN w.WriteSString("\b")
ELSIF (aweight = Fonts.normal) & (weight > Fonts.normal) THEN w.WriteSString("\b0")
END;
weight := aweight
END;
IF attr.offset # offs THEN
IF attr.offset > 0 THEN w.WriteSString("\up"); w.WriteInt(attr.offset DIV halfpoint)
ELSIF attr.offset < 0 THEN w.WriteSString("\dn"); w.WriteInt(-(attr.offset DIV halfpoint))
ELSIF offs > 0 THEN w.WriteSString("\up0")
ELSE w.WriteSString("\dn0")
END;
offs := attr.offset
END;
IF w.Pos() # p THEN w.WriteChar(" ") END;
attr0 := attr
END;
IF ch >= 100X THEN
IF ch = 2002X THEN w.WriteSString("\enspace ")
ELSIF ch = 2003X THEN w.WriteSString("\emspace ")
ELSIF ch = 2013X THEN w.WriteSString("\endash ")
ELSIF ch = 2014X THEN w.WriteSString("\emdash ")
ELSIF ch = 2010X THEN w.WriteChar("-")
ELSIF ch = 2011X THEN w.WriteSString("\_")
ELSIF ch = 201CX THEN (* unicode: left double quote *) w.WriteSString("\ldblquote ")
ELSIF ch = 201DX THEN (* unicode: right double quote *) w.WriteSString("\rdblquote ")
ELSIF ch = 2018X THEN (* unicode: left single quote *) w.WriteSString("\lquote ")
ELSIF ch = 2019X THEN (* unicode: right single quote *) w.WriteSString("\rquote ")
ELSE
w.WriteSString("\u"); w.WriteInt(ORD(ch));
ch := ThisWndChar(ch);
IF ch >= 80X THEN
w.WriteSString("\'");
w.WriteIntForm(ORD(ch), TextMappers.hexadecimal, 2, "0", FALSE)
ELSE
w.WriteChar(ch)
END
END
ELSE
CASE ch OF
| TAB: w.WriteSString("\tab ")
| CR: w.WriteSString("\par "); w.WriteLn; firstLine := FALSE
| " ".."[", "]".."z", "|", "~": w.WriteChar(ch)
| "\": w.WriteSString("\\")
| "{": w.WriteSString("\{")
| "}": w.WriteSString("\}")
| 8FX: (* digit space *) w.WriteChar(" ")
| 90X: (* hyphen *) w.WriteChar("-")
| 91X: (* non-breaking hyphen *) w.WriteSString("\_")
| 0A0X: (* non-breaking space *) w.WriteSString("\~")
| 0ADX: (* soft hyphen *) w.WriteSString("\-")
| 0A1X..0ACX, 0AEX..0FFX:
w.WriteSString("\'"); w.WriteIntForm(ORD(ch), TextMappers.hexadecimal, 2, "0", FALSE)
ELSE
END
END;
r.ReadChar(ch)
END;
w.WriteChar("}");
(* header *)
w.SetPos(0);
w.WriteSString("{\rtf1\ansi\ansicpg1252\deff0");
w.WriteSString("{\fonttbl"); i := 0;
WHILE i < fnum DO
IF fonts[i] = Fonts.default THEN fonts[i] := HostFonts.defFont.alias$ END;
w.WriteSString("{\f"); w.WriteInt(i); w.WriteSString("\fnil "); w.WriteString(fonts[i]); w.WriteSString(";}");
INC(i)
END;
w.WriteChar("}"); w.WriteLn;
w.WriteSString("{\colortbl;"); i := 1;
WHILE i < cnum DO
w.WriteSString("\red"); w.WriteInt(colors[i] MOD 256);
w.WriteSString("\green"); w.WriteInt(colors[i] DIV 256 MOD 256);
w.WriteSString("\blue"); w.WriteInt(colors[i] DIV 65536 MOD 256);
w.WriteChar(";"); INC(i)
END;
w.WriteChar("}"); w.WriteLn;
w.WriteSString("\deftab216 ");
w.WriteSString("\plain")
END ConvertToRichText;
PROCEDURE ImportDText* (VAR med: WinOle.STGMEDIUM; OUT v: Views.View;
OUT w, h: INTEGER; OUT isSingle: BOOLEAN);
VAR t: TextModels.Model; res, adr: INTEGER; wr: TextModels.Writer; ch: SHORTCHAR;
hnd: WinApi.HANDLE; attr: TextModels.Attributes; p: Properties.StdProp; pref: Properties.BoundsPref;
BEGIN
hnd := MediumGlobal(med);
ASSERT(hnd # 0, 20);
adr := WinApi.GlobalLock(hnd);
t := TextModels.dir.New(); wr := t.NewWriter(NIL);
IF HostClipboard.cloneAttributes THEN
Properties.CollectStdProp(p);
NEW(attr); attr.InitFromProp(p);
wr.SetAttr(attr)
END;
SYSTEM.GET(adr, ch);
WHILE ch # 0X DO
WriteWndChar(wr, ch);
INC(adr); SYSTEM.GET(adr, ch)
END;
res := WinApi.GlobalUnlock(hnd);
v := TextViews.dir.New(t);
pref.w := Views.undefined; pref.h := Views.undefined;
Views.HandlePropMsg(v, pref);
w := pref.w; h := pref.h; isSingle := FALSE
END ImportDText;
PROCEDURE ImportDRichText* (VAR med: WinOle.STGMEDIUM; OUT v: Views.View;
OUT w, h: INTEGER; OUT isSingle: BOOLEAN);
VAR t: TextModels.Model; res, adr: INTEGER; wr: TextModels.Writer; rd: MemReader;
hnd: WinApi.HANDLE; ruler: TextRulers.Ruler; pref: Properties.BoundsPref;
BEGIN
IF debug THEN
ImportDText(med, v, w, h, isSingle);
RETURN
END;
hnd := MediumGlobal(med);
ASSERT(hnd # 0, 20);
adr := WinApi.GlobalLock(hnd);
NEW(rd); rd.adr := adr; rd.pos := 0;
t := TextModels.dir.New(); wr := t.NewWriter(NIL);
ParseRichText(rd, wr, ruler);
res := WinApi.GlobalUnlock(hnd);
v := TextViews.dir.New(t);
v(TextViews.View).SetDefaults(ruler, TextModels.dir.attr);
pref.w := Views.undefined; pref.h := Views.undefined;
Views.HandlePropMsg(v, pref);
w := pref.w; h := pref.h; isSingle := FALSE
END ImportDRichText;
PROCEDURE ImportDUnicode* (VAR med: WinOle.STGMEDIUM; OUT v: Views.View;
OUT w, h: INTEGER; OUT isSingle: BOOLEAN);
VAR t: TextModels.Model; res, adr: INTEGER; wr: TextModels.Writer; uc: CHAR;
hnd: WinApi.HANDLE; attr: TextModels.Attributes; p: Properties.StdProp; pref: Properties.BoundsPref;
BEGIN
hnd := MediumGlobal(med);
ASSERT(hnd # 0, 20);
adr := WinApi.GlobalLock(hnd);
t := TextModels.dir.New(); wr := t.NewWriter(NIL);
IF HostClipboard.cloneAttributes THEN
Properties.CollectStdProp(p);
NEW(attr); attr.InitFromProp(p);
wr.SetAttr(attr)
END;
SYSTEM.GET(adr, uc);
WHILE uc # 0X DO
ASSERT(uc # 0FFFEX, 100);
IF uc < 100X THEN WriteWndChar(wr, uc)
ELSIF uc # 0FEFFX THEN wr.WriteChar(uc)
END;
INC(adr, 2); SYSTEM.GET(adr, uc)
END;
res := WinApi.GlobalUnlock(hnd);
v := TextViews.dir.New(t);
pref.w := Views.undefined; pref.h := Views.undefined;
Views.HandlePropMsg(v, pref);
w := pref.w; h := pref.h; isSingle := FALSE
END ImportDUnicode;
PROCEDURE ExportDText* (
v: Views.View; w, h, x, y: INTEGER; isSingle: BOOLEAN; VAR med: WinOle.STGMEDIUM
);
VAR t: TextModels.Model; r: TextModels.Reader; ch: CHAR;
res, len, adr: INTEGER; hnd: WinApi.HANDLE;
BEGIN
ASSERT(v # NIL, 20);
WITH v: TextViews.View DO
t := v.ThisModel();
hnd := WinApi.GlobalAlloc({1, 13}, 2 * t.Length() + 1); (* movable, sharable *)
IF hnd # 0 THEN
adr:= WinApi.GlobalLock(hnd); len := 0;
r := t.NewReader(NIL); r.ReadChar(ch);
WHILE ~r.eot DO
IF (ch # TextModels.viewcode) & (ch # TextModels.para) THEN
ch := ThisWndChar(ch);
SYSTEM.PUT(adr, SHORT(ch)); INC(adr); INC(len);
IF ch = CR THEN SYSTEM.PUT(adr, LF); INC(adr); INC(len) END
END;
r.ReadChar(ch)
END;
SYSTEM.PUT(adr, 0X); INC(len);
res := WinApi.GlobalUnlock(hnd);
hnd := WinApi.GlobalReAlloc(hnd, len, {});
GenGlobalMedium(hnd, NIL, med)
END
ELSE
END
END ExportDText;
PROCEDURE ExportDRichText* (
v: Views.View; w, h, x, y: INTEGER; isSingle: BOOLEAN; VAR med: WinOle.STGMEDIUM
);
VAR t: TextModels.Model; r: TextModels.Reader; ch: CHAR; res, adr: INTEGER; hnd: WinApi.HANDLE;
BEGIN
ASSERT(v # NIL, 20);
WITH v: TextViews.View DO
ConvertToRichText(v, 0, MAX(INTEGER), t);
hnd := WinApi.GlobalAlloc({1, 13}, t.Length() + 1); (* movable, sharable *)
IF hnd # 0 THEN
adr := WinApi.GlobalLock(hnd);
r := t.NewReader(NIL); r.ReadChar(ch);
WHILE ~r.eot DO
SYSTEM.PUT(adr, SHORT(ch)); INC(adr);
r.ReadChar(ch)
END;
SYSTEM.PUT(adr, 0X);
res := WinApi.GlobalUnlock(hnd);
GenGlobalMedium(hnd, NIL, med)
END
ELSE
END
END ExportDRichText;
PROCEDURE ExportDUnicode* (
v: Views.View; w, h, x, y: INTEGER; isSingle: BOOLEAN; VAR med: WinOle.STGMEDIUM
);
VAR t: TextModels.Model; r: TextModels.Reader; ch: CHAR; res, len, adr: INTEGER; hnd: WinApi.HANDLE;
BEGIN
ASSERT(v # NIL, 20);
WITH v: TextViews.View DO
t := v.ThisModel();
hnd := WinApi.GlobalAlloc({1, 13}, 4 * t.Length() + 2); (* movable, sharable *)
IF hnd # 0 THEN
adr:= WinApi.GlobalLock(hnd); len := 0;
r := t.NewReader(NIL); r.ReadChar(ch);
WHILE ~r.eot DO
IF ch = CR THEN
SYSTEM.PUT(adr, LONG(CR)); INC(adr, 2); INC(len, 2);
SYSTEM.PUT(adr, LONG(LF)); INC(adr, 2); INC(len, 2)
ELSIF (ch >= " ") OR (ch = TAB) THEN
IF (ch >= 0EF00X) & (ch <= 0EFFFX) THEN ch := CHR(ORD(ch) - 0EF00H) END;
SYSTEM.PUT(adr, ch); INC(adr, 2); INC(len, 2)
END;
r.ReadChar(ch)
END;
SYSTEM.PUT(adr, LONG(0X)); INC(len, 2);
res := WinApi.GlobalUnlock(hnd);
hnd := WinApi.GlobalReAlloc(hnd, len, {});
GenGlobalMedium(hnd, NIL, med)
END
ELSE
END
END ExportDUnicode;
PROCEDURE ImportText* (f: Files.File; OUT s: Stores.Store);
VAR r: Stores.Reader; t: TextModels.Model; wr: TextModels.Writer; ch, nch: SHORTCHAR;
BEGIN
ASSERT(f # NIL, 20);
r.ConnectTo(f); r.SetPos(0);
t := TextModels.dir.New(); wr := t.NewWriter(NIL);
r.ReadSChar(ch);
WHILE ~r.rider.eof DO
r.ReadSChar(nch);
IF (ch = CR) & (nch = LF) THEN r.ReadSChar(nch)
ELSIF ch = LF THEN ch := CR
END;
WriteWndChar(wr, ch); ch := nch
END;
s := TextViews.dir.New(t)
END ImportText;
PROCEDURE ImportTabText* (f: Files.File; OUT s: Stores.Store);
VAR r: Stores.Reader; t: TextModels.Model; wr: TextModels.Writer; ch, nch: SHORTCHAR;
BEGIN
ASSERT(f # NIL, 20);
r.ConnectTo(f); r.SetPos(0);
t := TextModels.dir.New(); wr := t.NewWriter(NIL);
r.ReadSChar(ch);
WHILE ~r.rider.eof DO
r.ReadSChar(nch);
IF (ch = CR) & (nch = LF) THEN r.ReadSChar(nch)
ELSIF ch = LF THEN ch := CR
ELSIF (ch = " ") & (nch = " ") THEN ch := TAB; r.ReadSChar(nch)
END;
WriteWndChar(wr, ch); ch := nch
END;
s := TextViews.dir.New(t)
END ImportTabText;
PROCEDURE ImportRichText* (f: Files.File; OUT s: Stores.Store);
VAR t: TextModels.Model; wr: TextModels.Writer; rd: Files.Reader; ruler: TextRulers.Ruler;
BEGIN
rd := f.NewReader(NIL); rd.SetPos(0);
t := TextModels.dir.New(); wr := t.NewWriter(NIL);
ParseRichText(rd, wr, ruler);
s := TextViews.dir.New(t);
s(TextViews.View).SetDefaults(ruler, TextModels.dir.attr)
END ImportRichText;
PROCEDURE ImportUnicode* (f: Files.File; OUT s: Stores.Store);
VAR r: Stores.Reader; t: TextModels.Model; v: TextViews.View; w: TextModels.Writer;
ch0, ch1: SHORTCHAR; len, res: INTEGER; uc: CHAR; rev: BOOLEAN;
BEGIN
ASSERT(f # NIL, 20);
r.ConnectTo(f); r.SetPos(0);
len := f.Length(); rev := FALSE;
t := TextModels.dir.New(); w := t.NewWriter(NIL); w.SetPos(0);
WHILE len > 0 DO
r.ReadSChar(ch0); r.ReadSChar(ch1);
IF rev THEN uc := CHR(ORD(ch1) + 256 * ORD(ch0))
ELSE uc := CHR(ORD(ch0) + 256 * ORD(ch1))
END;
DEC(len, 2);
IF uc = 0FFFEX THEN rev := ~rev
ELSIF uc < 100X THEN WriteWndChar(w, uc)
ELSIF uc # 0FEFFX THEN w.WriteChar(uc)
END
END;
v := TextViews.dir.New(t);
s := v
END ImportUnicode;
PROCEDURE ImportDosText* (f: Files.File; OUT s: Stores.Store);
VAR r: Stores.Reader; t: TextModels.Model; wr: TextModels.Writer; ch, nch: SHORTCHAR;
PROCEDURE ConvertChar (wr: TextModels.Writer; ch: CHAR);
(* PC Code Page Mappings M4 (Latin) to Unicode Encoding *)
(* Reference: The Unicode Standard, Version 1.0, Vol 1, Addison Wesley, p. 536 *)
BEGIN
CASE ch OF
| CR, TAB, " "..7EX: wr.WriteChar(ch)
| LF:
| 080X: wr.WriteChar(0C7X)
| 081X: wr.WriteChar(0FCX)
| 082X: wr.WriteChar(0E9X)
| 083X: wr.WriteChar(0E2X)
| 084X: wr.WriteChar(0E4X)
| 085X: wr.WriteChar(0E0X)
| 086X: wr.WriteChar(0E5X)
| 087X: wr.WriteChar(0E7X)
| 088X: wr.WriteChar(0EAX)
| 089X: wr.WriteChar(0EBX)
| 08AX: wr.WriteChar(0E8X)
| 08BX: wr.WriteChar(0EFX)
| 08CX: wr.WriteChar(0EEX)
| 08DX: wr.WriteChar(0ECX)
| 08EX: wr.WriteChar(0C4X)
| 08FX: wr.WriteChar(0C5X)
| 090X: wr.WriteChar(0C9X)
| 091X: wr.WriteChar(0E6X)
| 092X: wr.WriteChar(0C6X)
| 093X: wr.WriteChar(0F4X)
| 094X: wr.WriteChar(0F6X)
| 095X: wr.WriteChar(0F2X)
| 096X: wr.WriteChar(0FBX)
| 097X: wr.WriteChar(0F9X)
| 098X: wr.WriteChar(0FFX)
| 099X: wr.WriteChar(0D6X)
| 09AX: wr.WriteChar(0DCX)
| 09BX: wr.WriteChar(0F8X)
| 09CX: wr.WriteChar(0A3X)
| 09DX: wr.WriteChar(0D8X)
| 09EX: wr.WriteChar(0D7X)
| 09FX: wr.WriteChar(0192X)
| 0A0X: wr.WriteChar(0E1X)
| 0A1X: wr.WriteChar(0EDX)
| 0A2X: wr.WriteChar(0F3X)
| 0A3X: wr.WriteChar(0FAX)
| 0A4X: wr.WriteChar(0F1X)
| 0A5X: wr.WriteChar(0D1X)
| 0A6X: wr.WriteChar(0AAX)
| 0A7X: wr.WriteChar(0BAX)
| 0A8X: wr.WriteChar(0BFX)
| 0A9X: wr.WriteChar(0AEX)
| 0AAX: wr.WriteChar(0ACX)
| 0ABX: wr.WriteChar(0BDX)
| 0ACX: wr.WriteChar(0BCX)
| 0ADX: wr.WriteChar(0A1X)
| 0AEX: wr.WriteChar(0ABX)
| 0AFX: wr.WriteChar(0BBX)
| 0B5X: wr.WriteChar(0C1X)
| 0B6X: wr.WriteChar(0C2X)
| 0B7X: wr.WriteChar(0C0X)
| 0B8X: wr.WriteChar(0A9X)
| 0BDX: wr.WriteChar(0A2X)
| 0BEX: wr.WriteChar(0A5X)
| 0C6X: wr.WriteChar(0E3X)
| 0C7X: wr.WriteChar(0C3X)
| 0CFX: wr.WriteChar(0A4X)
| 0D0X: wr.WriteChar(0F0X)
| 0D1X: wr.WriteChar(0D0X)
| 0D2X: wr.WriteChar(0CAX)
| 0D3X: wr.WriteChar(0CBX)
| 0D4X: wr.WriteChar(0C8X)
| 0D5X: wr.WriteChar(0131X)
| 0D6X: wr.WriteChar(0CDX)
| 0D7X: wr.WriteChar(0CEX)
| 0D8X: wr.WriteChar(0CFX)
| 0DDX: wr.WriteChar(0A6X)
| 0DEX: wr.WriteChar(0CCX)
| 0E0X: wr.WriteChar(0D3X)
| 0E1X: wr.WriteChar(0DFX)
| 0E2X: wr.WriteChar(0D4X)
| 0E3X: wr.WriteChar(0D2X)
| 0E4X: wr.WriteChar(0F5X)
| 0E5X: wr.WriteChar(0D5X)
| 0E6X: wr.WriteChar(0B5X)
| 0E7X: wr.WriteChar(0FEX)
| 0E8X: wr.WriteChar(0DEX)
| 0E9X: wr.WriteChar(0DAX)
| 0EAX: wr.WriteChar(0DBX)
| 0EBX: wr.WriteChar(0D9X)
| 0ECX: wr.WriteChar(0FDX)
| 0EDX: wr.WriteChar(0DDX)
| 0EEX: wr.WriteChar(0AFX)
| 0EFX: wr.WriteChar(0B4X)
| 0F0X: wr.WriteChar(0ADX)
| 0F1X: wr.WriteChar(0B1X)
| 0F2X: wr.WriteChar(02017X)
| 0F3X: wr.WriteChar(0BEX)
| 0F4X: wr.WriteChar(0B6X)
| 0F5X: wr.WriteChar(0A7X)
| 0F6X: wr.WriteChar(0F7X)
| 0F7X: wr.WriteChar(0B8X)
| 0F8X: wr.WriteChar(0B0X)
| 0F9X: wr.WriteChar(0A8X)
| 0FAX: wr.WriteChar(0B7X)
| 0FBX: wr.WriteChar(0B9X)
| 0FCX: wr.WriteChar(0B3X)
| 0FDX: wr.WriteChar(0B2X)
| 0X..8X, 0BX, 0CX, 0EX..1FX, 7FX,
0B0X..0B4X, 0B9X..0BCX, 0BFX..0C5X, 0C8X..0CEX, 0D9X..0DCX, 0DFX, 0FEX, 0FFX:
wr.WriteChar(CHR(0EF00H + ORD(ch)))
END
END ConvertChar;
BEGIN
ASSERT(f # NIL, 20);
r.ConnectTo(f); r.SetPos(0);
t := TextModels.dir.New(); wr := t.NewWriter(NIL);
r.ReadSChar(ch);
WHILE ~r.rider.eof DO
r.ReadSChar(nch);
IF (ch = CR) & (nch = LF) THEN r.ReadSChar(nch)
ELSIF ch = LF THEN ch := CR
END;
ConvertChar(wr, ch); ch := nch
END;
s := TextViews.dir.New(t)
END ImportDosText;
PROCEDURE TextView(s: Stores.Store): Stores.Store;
BEGIN
IF s IS Views.View THEN RETURN Properties.ThisType(s(Views.View), "TextViews.View")
ELSE RETURN NIL
END
END TextView;
PROCEDURE ExportText* (s: Stores.Store; f: Files.File);
VAR w: Stores.Writer; t: TextModels.Model; r: TextModels.Reader; ch: CHAR;
BEGIN
ASSERT(s # NIL, 20); ASSERT(f # NIL, 21);
s := TextView(s);
IF s # NIL THEN
w.ConnectTo(f); w.SetPos(0);
t := s(TextViews.View).ThisModel();
IF t # NIL THEN
r := t.NewReader(NIL);
r.ReadChar(ch);
WHILE ~r.eot DO
IF (ch # TextModels.viewcode) & (ch # TextModels.para) THEN
ch := ThisWndChar(ch);
w.WriteSChar(SHORT(ch));
IF ch = CR THEN w.WriteSChar(LF) END
END;
r.ReadChar(ch)
END
END
END
END ExportText;
PROCEDURE ExportTabText* (s: Stores.Store; f: Files.File);
VAR w: Stores.Writer; t: TextModels.Model; r: TextModels.Reader; ch: CHAR;
BEGIN
ASSERT(s # NIL, 20); ASSERT(f # NIL, 21);
s := TextView(s);
IF s # NIL THEN
w.ConnectTo(f); w.SetPos(0);
t := s(TextViews.View).ThisModel();
IF t # NIL THEN
r := t.NewReader(NIL);
r.ReadChar(ch);
WHILE ~r.eot DO
IF (ch # TextModels.viewcode) & (ch # TextModels.para) THEN
ch := ThisWndChar(ch);
IF ch = CR THEN w.WriteSChar(CR); w.WriteSChar(LF)
ELSIF ch = TAB THEN w.WriteSChar(" "); w.WriteSChar(" ")
ELSE w.WriteSChar(SHORT(ch))
END
END;
r.ReadChar(ch)
END
END
END
END ExportTabText;
PROCEDURE ExportRichText* (s: Stores.Store; f: Files.File);
VAR t: TextModels.Model; r: TextModels.Reader; ch: CHAR; w: Stores.Writer;
BEGIN
ASSERT(s # NIL, 20); ASSERT(f # NIL, 21);
WITH s: TextViews.View DO
ConvertToRichText(s, 0, MAX(INTEGER), t);
w.ConnectTo(f); w.SetPos(0);
r := t.NewReader(NIL); r.ReadChar(ch);
WHILE ~r.eot DO
w.WriteSChar(SHORT(ch)); r.ReadChar(ch)
END
(*
w.WriteSChar(0X)
*)
ELSE
END
END ExportRichText;
PROCEDURE ExportUnicode* (s: Stores.Store; f: Files.File);
VAR w: Stores.Writer; t: TextModels.Model; r: TextModels.Reader; ch: CHAR;
BEGIN
ASSERT(s # NIL, 20); ASSERT(f # NIL, 21);
s := TextView(s);
IF s # NIL THEN
w.ConnectTo(f); w.SetPos(0);
w.WriteChar(0FEFFX); (* little endian *)
t := s(TextViews.View).ThisModel();
IF t # NIL THEN
r := t.NewReader(NIL);
r.ReadChar(ch);
WHILE ~r.eot DO
IF ch = CR THEN
w.WriteChar(CR); w.WriteChar(LF)
ELSIF (ch >= " ") OR (ch = TAB) THEN
IF (ch >= 0EF00X) & (ch <= 0EFFFX) THEN ch := CHR(ORD(ch) - 0EF00H) END;
w.WriteChar(ch)
END;
r.ReadChar(ch)
END
END
END
END ExportUnicode;
PROCEDURE ImportHex* (f: Files.File; OUT s: Stores.Store);
VAR r: Stores.Reader; t: TextModels.Model; w: TextMappers.Formatter; ch: SHORTCHAR; a: INTEGER;
i: INTEGER; str: ARRAY 17 OF CHAR;
BEGIN
ASSERT(f # NIL, 20);
r.ConnectTo(f); r.SetPos(0);
t := TextModels.dir.New();
w.ConnectTo(t); w.SetPos(0);
r.ReadSChar(ch); a := 0;
WHILE ~r.rider.eof DO
IF a MOD 16 = 0 THEN
w.WriteChar("[");
w.WriteIntForm(a, TextMappers.hexadecimal, 8, "0", FALSE);
w.WriteSString("]")
END;
w.WriteIntForm(ORD(ch), TextMappers.hexadecimal, 2, "0", FALSE);
IF ch > 20X THEN str[a MOD 16] := ch ELSE str[a MOD 16] := "" END;
INC(a);
IF a MOD 16 = 0 THEN
str[16] := 0X; w.WriteString(""); w.WriteString(str);
w.WriteLn
ELSIF a MOD 4 = 0 THEN
w.WriteString("")
ELSE
w.WriteChar("")
END;
r.ReadSChar(ch)
END;
IF a MOD 16 # 0 THEN
str[a MOD 16] := 0X;
i := (16 - a MOD 16) * 3 + (3 - a MOD 16 DIV 4) + 3;
WHILE i # 0 DO w.WriteChar(""); DEC(i) END;
w.WriteString(str)
END;
s := TextViews.dir.New(t)
END ImportHex;
END HostTextConv.