DIRECTORY
Ascii USING [Lower],
NodeStyle USING [FontAlphabets, FontFace, FontUnderlining, GetFontSize, GetPrintSpaceWidth, GetScreenSpaceWidth, GetTabLoc, GetTabRealCode, LeaderTabStop, LineFormatting, PointsPerCentimeter, PointsPerDidot, PointsPerFil, PointsPerFill, PointsPerFilll, PointsPerInch, PointsPerMillimeter, PointsPerPica, Style, RulesTabStop, RuleTabStop, TabAlign, TabArrayRec, TabStop, TabStopRec],
NodeStyleWorks USING [AddRealError, colorOps, DoStyleOp, glueOps, LoadProc, NameError, nameOps, OpsRec, Param, ParamRec, PercentError, realOps, RegisterStyleCommand, SetNameProc, StoreError, StyleError, StyleForFrame, TryToPopName, TryToPopReal, TryToPopRope],
Rope USING [ActionType, Fetch, IsEmpty, Length, Map, ROPE],
Tioga USING [Looks, noLooks],
TJaM USING [AGet, Array, AtomFromRope, CommandProc, Frame, PopArray, PopReal, PopRope, Push, PushReal, PushRope];

NodeStyleWorks3Impl: CEDAR MONITOR
IMPORTS Ascii, NodeStyle, NodeStyleWorks, Rope, TJaM
EXPORTS NodeStyleWorks
~ BEGIN OPEN NodeStyle, NodeStyleWorks;

Frame: TYPE ~ TJaM.Frame;
ROPE: TYPE ~ Rope.ROPE;
OpsListItem: TYPE ~ RECORD [name: ATOM, op: TJaM.CommandProc];
OpsList: TYPE ~ LIST OF OpsListItem;
opsList: OpsList _ NIL;

Preregister: PROC [param: Param, op: TJaM.CommandProc] RETURNS [Param] ~ {
opsList _ CONS[[param.opName, op], opsList];
RETURN [param];
};
RegisterWorks3: PUBLIC PROC [frame: Frame] ~ {
FOR list: OpsList _ opsList, list.rest UNTIL list=NIL DO
RegisterStyleCommand[frame, list.first.name, list.first.op];
ENDLOOP;
RegisterStyleCommand[frame, $clearTabStops, ClearTabStopsOp];
RegisterStyleCommand[frame, $tabStop, TabStopOp];
RegisterStyleCommand[frame, $defaultTabStops, DefaultTabStopsOp];
RegisterStyleCommand[frame, $tabStopLocations, RelativeTabStopsOp];
RegisterStyleCommand[frame, $pt, PointsOp];
RegisterStyleCommand[frame, $pc, PicasOp];
RegisterStyleCommand[frame, $in, InchesOp];
RegisterStyleCommand[frame, $cm, CentimetersOp];
RegisterStyleCommand[frame, $mm, MillimetersOp];
RegisterStyleCommand[frame, $dd, DidotPointsOp];
RegisterStyleCommand[frame, $em, EmsOp];
RegisterStyleCommand[frame, $en, EnsOp];
RegisterStyleCommand[frame, $screensp, ScreenSpacesOp];
RegisterStyleCommand[frame, $printsp, PrintSpacesOp];
RegisterStyleCommand[frame, $fil, FilOp];
RegisterStyleCommand[frame, $fill, FillOp];
RegisterStyleCommand[frame, $filll, FilllOp];

};

StyleNameOp: TJaM.CommandProc ~ { DoStyleOp[frame, styleNameParam] };
styleNameParam: Param _ Preregister[NEW [name ParamRec _ [nameOps, $style, name[style]]], StyleNameOp];
FontPrefixOp: TJaM.CommandProc ~ { DoStyleOp[frame, fontPrefixParam] };
fontPrefixParam: Param _ Preregister[NEW [name ParamRec _ [nameOps, $fontPrefix, name[fontPrefix]]], FontPrefixOp];
FontFamilyOp: TJaM.CommandProc ~ { DoStyleOp[frame, fontFamilyParam] };
fontFamilyParam: Param _ Preregister[NEW [name ParamRec _ [nameOps, $family, name[fontFamily]]], FontFamilyOp];
FontSizeOp: TJaM.CommandProc ~ { DoStyleOp[frame, fontSizeParam] };
fontSizeParam: Param _ Preregister[NEW [real ParamRec _ [realOps, $size, real[fontSize]]], FontSizeOp];
FontFaceOp: TJaM.CommandProc ~ { DoStyleOp[frame, fontFaceParam] };
fontFaceParam: Param _ Preregister[NEW[misc ParamRec _ [NEW [OpsRec _
[FontFaceLoad, StoreError, AddRealError, PercentError, FontFaceSetName]],
$face, misc[]]], FontFaceOp];

FontFaceLoad: LoadProc ~ {
TJaM.Push[frame, SELECT style.fontFace FROM
Regular => $regular,
Bold => $bold,
Italic => $italic,
BoldItalic => bolditalic,
ENDCASE => ERROR]
};

FontFaceSetName: SetNameProc ~ {
Error: PROC RETURNS [FontFace] ~ { NameError[frame, name, p]; RETURN [Regular]; };
FontFaceArray: TYPE ~ ARRAY FontFace OF FontFace;
minusBold: FontFaceArray ~ [Regular, Regular, Italic, Italic];
minusItalic: FontFaceArray ~ [Regular, Bold, Regular, Bold];
plusBold: FontFaceArray ~ [Bold, Bold, BoldItalic, BoldItalic];
plusItalic: FontFaceArray ~ [Italic, BoldItalic, Italic, BoldItalic];
style.fontFace _ SELECT name FROM
$regular => Regular,
$bold => Bold,
$italic => Italic,
bolditalic => BoldItalic,
plusbold => plusBold[style.fontFace],
plusitalic => plusItalic[style.fontFace],
minusbold => minusBold[style.fontFace],
minusitalic => minusItalic[style.fontFace],
ENDCASE => Error[];
};
bolditalic: ATOM ~ TJaM.AtomFromRope["bold+italic"];
plusbold: ATOM ~ TJaM.AtomFromRope["+bold"];
plusitalic: ATOM ~ TJaM.AtomFromRope["+italic"];
minusbold: ATOM ~ TJaM.AtomFromRope["-bold"];
minusitalic: ATOM ~ TJaM.AtomFromRope["-italic"];
FontAlphabetsOp: TJaM.CommandProc ~ { DoStyleOp[frame, fontAlphabetsParam] };
fontAlphabetsParam: Param _ Preregister[NEW[misc ParamRec _ [NEW [OpsRec _
[FontAlphabetsLoad, StoreError, AddRealError, PercentError, FontAlphabetsSetName]],
$alphabets,
misc[]]], FontAlphabetsOp];

FontAlphabetsLoad: LoadProc ~ {
TJaM.Push[frame, SELECT style.fontAlphabets FROM
CapsAndLower => capsAndLower,
CapsAndSmallCaps => capsAndSmallCaps,
LowerOnly => $lowercase,
CapsOnly => $caps,
ENDCASE => ERROR]
};

FontAlphabetsSetName: SetNameProc ~ {
Error: PROC RETURNS [FontAlphabets] ~ {
NameError[frame, name, p];
RETURN [CapsAndLower];
};
style.fontAlphabets _ SELECT name FROM
capsAndLower => CapsAndLower,
capsAndSmallCaps => CapsAndSmallCaps,
$lowercase => LowerOnly,
$caps => CapsOnly,
ENDCASE => Error[];
};
capsAndLower: ATOM ~ TJaM.AtomFromRope["caps+lowercase"];
capsAndSmallCaps: ATOM ~ TJaM.AtomFromRope["caps+smallcaps"];
TextRotationOp: TJaM.CommandProc ~ { DoStyleOp[frame, textRotationParam] };
textRotationParam: Param _ Preregister[NEW[real ParamRec _ [realOps, $textRotation, real[textRotation]]], TextRotationOp];
LeftIndentOp: TJaM.CommandProc ~ { DoStyleOp[frame, leftIndentParam] };
leftIndentParam: Param _ Preregister[NEW[real ParamRec _ [realOps, $leftIndent, real[leftIndent]]], LeftIndentOp];
RightIndentOp: TJaM.CommandProc ~ { DoStyleOp[frame, rightIndentParam] };
rightIndentParam: Param _ Preregister[NEW[real ParamRec _ [realOps, $rightIndent, real[rightIndent]]], RightIndentOp];
FirstIndentOp: TJaM.CommandProc ~ { DoStyleOp[frame, firstIndentParam] };
firstIndentParam: Param _ Preregister[NEW[real ParamRec _ [realOps, $firstIndent, real[firstIndent]]], FirstIndentOp];
FirstIndentRightOp: TJaM.CommandProc ~ { DoStyleOp[frame, firstIndentRightParam] };
firstIndentRightParam: Param _ Preregister[NEW[real ParamRec _ [realOps, $firstIndentRight, real[firstIndentRight]]], FirstIndentRightOp];
RestIndentOp: TJaM.CommandProc ~ { DoStyleOp[frame, restIndentParam] };
restIndentParam: Param _ Preregister[NEW[real ParamRec _ [realOps, $restIndent, real[restIndent]]], RestIndentOp];
RunaroundLeftOp: TJaM.CommandProc ~ { DoStyleOp[frame, runaroundLeftParam] };
runaroundLeftParam: Param _ Preregister[NEW[real ParamRec _ [realOps, $runaroundLeft, real[runaroundLeft]]], RunaroundLeftOp];
RunaroundRightOp: TJaM.CommandProc ~ { DoStyleOp[frame, runaroundRightParam] };
runaroundRightParam: Param _ Preregister[NEW[real ParamRec _ [realOps, $runaroundRight, real[runaroundRight]]], RunaroundRightOp];
TopIndentOp: TJaM.CommandProc ~ { DoStyleOp[frame, topIndentParam] };
topIndentParam: Param _ Preregister[NEW[real ParamRec _ [realOps, $topIndent, real[topIndent]]], TopIndentOp];
BottomIndentOp: TJaM.CommandProc ~ { DoStyleOp[frame, bottomIndentParam] };
bottomIndentParam: Param _ Preregister[NEW[real ParamRec _ [realOps, $bottomIndent, real[bottomIndent]]], BottomIndentOp];
LineLeadingOp: TJaM.CommandProc ~ { DoStyleOp[frame, lineLeadingParam]; };
lineLeadingParam: Param _ Preregister[NEW[real ParamRec _ [realOps, $leading, real[leading]]], LineLeadingOp];

LineLeadingStretchOp: TJaM.CommandProc ~ { DoStyleOp[frame, lineLeadingStretchParam] };
lineLeadingStretchParam: Param _ Preregister[NEW[real ParamRec _ [realOps, $leadingStretch, real[leadingStretch]]], LineLeadingStretchOp];

LineLeadingShrinkOp: TJaM.CommandProc ~ { DoStyleOp[frame, lineLeadingShrinkParam] };
lineLeadingShrinkParam: Param _ Preregister[NEW[real ParamRec _ [realOps, $leadingShrink, real[leadingShrink]]], LineLeadingShrinkOp];

LineLeadingGlueOp: TJaM.CommandProc ~ { DoStyleOp[frame, lineLeadingGlueParam] };
lineLeadingGlueParam: Param _ Preregister[NEW[glue ParamRec _ [glueOps, $leadingGlue, glue[leading, leadingStretch, leadingShrink]]], LineLeadingGlueOp];

TopLeadingOp: TJaM.CommandProc ~ { DoStyleOp[frame, topLeadingParam]; };
topLeadingParam: Param _ Preregister[NEW[real ParamRec _ [realOps, $topLeading, real[topLeading]]], TopLeadingOp];

TopLeadingStretchOp: TJaM.CommandProc ~ { DoStyleOp[frame, topLeadingStretchParam] };
topLeadingStretchParam: Param _ Preregister[NEW[real ParamRec _ [realOps, $topLeadingStretch, real[topLeadingStretch]]], TopLeadingStretchOp];

TopLeadingShrinkOp: TJaM.CommandProc ~ { DoStyleOp[frame, topLeadingShrinkParam] };
topLeadingShrinkParam: Param _ Preregister[NEW[real ParamRec _ [realOps, $topLeadingShrink, real[topLeadingShrink]]], TopLeadingShrinkOp];

TopLeadingGlueOp: TJaM.CommandProc ~ { DoStyleOp[frame, topLeadingGlueParam] };
topLeadingGlueParam: Param _ Preregister[NEW[glue ParamRec _ [glueOps, $topLeadingGlue, glue[topLeading, topLeadingStretch, topLeadingShrink]]], TopLeadingGlueOp];

BottomLeadingOp: TJaM.CommandProc ~ { DoStyleOp[frame, bottomLeadingParam]; };
bottomLeadingParam: Param _ Preregister[NEW[real ParamRec _ [realOps, $bottomLeading, real[bottomLeading]]], BottomLeadingOp];

BottomLeadingStretchOp: TJaM.CommandProc ~ { DoStyleOp[frame, bottomLeadingStretchParam] };
bottomLeadingStretchParam: Param _ Preregister[NEW[real ParamRec _ [realOps, $bottomLeadingStretch, real[bottomLeadingStretch]]], BottomLeadingStretchOp];

BottomLeadingShrinkOp: TJaM.CommandProc ~ { DoStyleOp[frame, bottomLeadingShrinkParam] };
bottomLeadingShrinkParam: Param _ Preregister[NEW[real ParamRec _ [realOps, $bottomLeadingShrink, real[bottomLeadingShrink]]], BottomLeadingShrinkOp];

BottomLeadingGlueOp: TJaM.CommandProc ~ { DoStyleOp[frame, bottomLeadingGlueParam] };
bottomLeadingGlueParam: Param _ Preregister[NEW[glue ParamRec _ [glueOps, $bottomLeadingGlue, glue[bottomLeading, bottomLeadingStretch, bottomLeadingShrink]]], BottomLeadingGlueOp];
LineFormattingOp: TJaM.CommandProc ~ { DoStyleOp[frame, lineFormattingParam]; };
lineFormattingParam: Param _ Preregister[NEW [misc ParamRec _ [NEW [OpsRec _
[LineFormattingLoad, StoreError, AddRealError, PercentError, LineFormattingSetName]],
$lineFormatting, misc[]]], LineFormattingOp];

LineFormattingLoad: LoadProc ~ {
TJaM.Push[frame, SELECT style.lineFormatting FROM
Justified => $justified,
FlushLeft => $flushLeft,
FlushRight => $flushRight,
Centered => $centered,
ENDCASE => ERROR]
};

LineFormattingSetName: SetNameProc ~ {
Error: PROC RETURNS [LineFormatting] ~ {
NameError[frame, name, p]; RETURN [FlushLeft] };
style.lineFormatting _ SELECT name FROM
$justified => Justified,
$flushLeft => FlushLeft,
$flushRight => FlushRight,
$centered => Centered,
ENDCASE => Error[];
};

LastLineFormattingOp: TJaM.CommandProc ~ { DoStyleOp[frame, lastLineFormattingParam]; };
lastLineFormattingParam: Param _ Preregister[NEW [misc ParamRec _ [NEW [OpsRec _
[LastLineFormattingLoad, StoreError, AddRealError, PercentError, LastLineFormattingSetName]],
$lastLineFormatting, misc[]]], LastLineFormattingOp];

LastLineFormattingLoad: LoadProc ~ {
TJaM.Push[frame, SELECT style.lastLineFormatting FROM
Justified => $justified,
FlushLeft => $flushLeft,
FlushRight => $flushRight,
Centered => $centered,
ENDCASE => ERROR]
};

LastLineFormattingSetName: SetNameProc ~ {
Error: PROC RETURNS [LineFormatting] ~ {
NameError[frame, name, p]; RETURN [FlushLeft] };
style.lastLineFormatting _ SELECT name FROM
$justified => Justified,
$flushLeft => FlushLeft,
$flushRight => FlushRight,
$centered => Centered,
ENDCASE => Error[];
};
UnderliningOp: TJaM.CommandProc ~ { DoStyleOp[frame, underliningParam] };
underliningParam: Param _ Preregister[NEW [misc ParamRec _ [NEW [OpsRec _
[UnderliningLoad, StoreError, AddRealError, PercentError, UnderliningSetName]],
$underlining, misc[]]], UnderliningOp];

UnderliningLoad: LoadProc ~ {
TJaM.Push[frame, SELECT style.underlining FROM
None => $none,
LettersAndDigits => lettersAndDigits,
Visible => $visible,
All => $all,
ENDCASE => ERROR]
};
lettersAndDigits: ATOM ~ TJaM.AtomFromRope["letters+digits"];


UnderliningSetName: SetNameProc ~ {
Error: PROC RETURNS [FontUnderlining] ~ { NameError[frame, name, p]; RETURN [None] };
style.underlining _ SELECT name FROM
$none => None,
lettersAndDigits => LettersAndDigits,
$visible => Visible,
$all => All,
ENDCASE => Error[];
};
StrikeoutOp: TJaM.CommandProc ~ { DoStyleOp[frame, strikeoutParam] };
strikeoutParam: Param _ Preregister[NEW [misc ParamRec _ [NEW [OpsRec _
[StrikeoutLoad, StoreError, AddRealError, PercentError, StrikeoutSetName]],
$strikeout, misc[]]], StrikeoutOp];

StrikeoutLoad: LoadProc ~ {
TJaM.Push[frame, SELECT style.strikeout FROM
None => $none,
LettersAndDigits => lettersAndDigits,
Visible => $visible,
All => $all,
ENDCASE => ERROR]
};

StrikeoutSetName: SetNameProc ~ {
Error: PROC RETURNS [FontUnderlining] ~ { NameError[frame, name, p]; RETURN [None] };
style.strikeout _ SELECT name FROM
$none => None,
lettersAndDigits => LettersAndDigits,
$visible => Visible,
$all => All,
ENDCASE => Error[];
};
HShiftOp: TJaM.CommandProc ~ { DoStyleOp[frame, hshiftParam] };
hshiftParam: Param _ Preregister[NEW[real ParamRec _ [realOps, $hShift, real[hshift]]], HShiftOp];

VShiftOp: TJaM.CommandProc ~ { DoStyleOp[frame, vshiftParam] };
vshiftParam: Param _ Preregister[NEW[real ParamRec _ [realOps, $vShift, real[vshift]]], VShiftOp];

MinLineGapOp: TJaM.CommandProc ~ { DoStyleOp[frame, minLineGapParam]; };
minLineGapParam: Param _ Preregister[NEW[real ParamRec _ [realOps, $minLineGap, real[minLineGap]]], MinLineGapOp];
TabStopsOp: TJaM.CommandProc ~ { DoStyleOp[frame, tabStopsParam]; };
tabStopsParam: Param _ Preregister[NEW[real ParamRec _ [realOps, $tabStops, real[tabStops]]], TabStopsOp];
LineWeightOp: TJaM.CommandProc ~ { DoStyleOp[frame, lineWeightParam] };
lineWeightParam: Param _ Preregister[NEW[real ParamRec _ [realOps, $lineWeight, real[lineWeight]]], LineWeightOp];
PageWidthOp: TJaM.CommandProc ~ { DoStyleOp[frame, pageWidthParam] };
pageWidthParam: Param _ Preregister[NEW[real ParamRec _ [realOps, $pageWidth, real[pageWidth]]], PageWidthOp];

PageLengthOp: TJaM.CommandProc ~ { DoStyleOp[frame, pageLengthParam] };
pageLengthParam: Param _ Preregister[NEW[real ParamRec _ [realOps, $pageLength, real[pageLength]]], PageLengthOp];

LeftMarginOp: TJaM.CommandProc ~ { DoStyleOp[frame, leftMarginParam] };
leftMarginParam: Param _ Preregister[NEW[real ParamRec _ [realOps, $leftMargin, real[leftMargin]]], LeftMarginOp];

RightMarginOp: TJaM.CommandProc ~ { DoStyleOp[frame, rightMarginParam] };
rightMarginParam: Param _ Preregister[NEW[real ParamRec _ [realOps, $rightMargin, real[rightMargin]]], RightMarginOp];

TopMarginOp: TJaM.CommandProc ~ { DoStyleOp[frame, topMarginParam] };
topMarginParam: Param _ Preregister[NEW[real ParamRec _ [realOps, $topMargin, real[topMargin]]], TopMarginOp];

BottomMarginOp: TJaM.CommandProc ~ { DoStyleOp[frame, bottomMarginParam] };
bottomMarginParam: Param _ Preregister[NEW[real ParamRec _ [realOps, $bottomMargin, real[bottomMargin]]], BottomMarginOp];

HeaderMarginOp: TJaM.CommandProc ~ { DoStyleOp[frame, headerMarginParam] };
headerMarginParam: Param _ Preregister[NEW[real ParamRec _ [realOps, $headerMargin, real[headerMargin]]], HeaderMarginOp];

FooterMarginOp: TJaM.CommandProc ~ { DoStyleOp[frame, footerMarginParam] };
footerMarginParam: Param _ Preregister[NEW[real ParamRec _ [realOps, $footerMargin, real[footerMargin]]], FooterMarginOp];

BindingMarginOp: TJaM.CommandProc ~ { DoStyleOp[frame, bindingMarginParam] };
bindingMarginParam: Param _ Preregister[NEW[real ParamRec _ [realOps, $bindingMargin, real[bindingMargin]]], BindingMarginOp];

LineLengthOp: TJaM.CommandProc ~ { DoStyleOp[frame, lineLengthParam] };
lineLengthParam: Param _ Preregister[NEW[real ParamRec _ [realOps, $lineLength, real[lineLength]]], LineLengthOp];

ColumnOp: TJaM.CommandProc ~ { DoStyleOp[frame, columnParam] };
columnParam: Param _ Preregister[NEW[real ParamRec _ [realOps, $column, real[columns]]], ColumnOp];
TextHueOp: TJaM.CommandProc ~ { DoStyleOp[frame, textHueParam] };
textHueParam: Param _ Preregister[NEW[real ParamRec _ [realOps, $textHue, real[textHue]]], TextHueOp];

TextSaturationOp: TJaM.CommandProc ~ { DoStyleOp[frame, textSaturationParam] };
textSaturationParam: Param _ Preregister[NEW[real ParamRec _ [realOps, $textSaturation, real[textSaturation]]], TextSaturationOp];

TextBrightnessOp: TJaM.CommandProc ~ { DoStyleOp[frame, textBrightnessParam] };
textBrightnessParam: Param _ Preregister[NEW[real ParamRec _ [realOps, $textBrightness, real[textBrightness]]], TextBrightnessOp];

TextColorOp: TJaM.CommandProc ~ { DoStyleOp[frame, textColorParam] };
textColorParam: Param _ Preregister[NEW[color ParamRec _ [colorOps, $textColor, color[textHue, textSaturation, textBrightness]]], TextColorOp];
PageBreakPenaltyOp: TJaM.CommandProc ~ { DoStyleOp[frame, pageBreakPenaltyParam] };
pageBreakPenaltyParam: Param _ Preregister[NEW[real ParamRec _ [realOps, $pageBreakPenalty, real[pageBreakPenalty]]], PageBreakPenaltyOp];

PageBreakPenalty2Op: TJaM.CommandProc ~ { DoStyleOp[frame, pageBreakPenalty2Param] };
pageBreakPenalty2Param: Param _ Preregister[NEW[real ParamRec _ [realOps, $pageBreakAfterFirstLinePenalty, real[pageBreakAfterFirstLinePenalty]]], PageBreakPenalty2Op];

PageBreakPenalty3Op: TJaM.CommandProc ~ { DoStyleOp[frame, pageBreakPenalty3Param] };
pageBreakPenalty3Param: Param _ Preregister[NEW[real ParamRec _ [realOps, $pageBreakAfterLastLinePenalty, real[pageBreakAfterLastLinePenalty]]], PageBreakPenalty3Op];

PageBreakPenalty4Op: TJaM.CommandProc ~ { DoStyleOp[frame, pageBreakPenalty4Param] };
pageBreakPenalty4Param: Param _ Preregister[NEW[real ParamRec _ [realOps, $pageBreakBeforeFirstLinePenalty, real[pageBreakBeforeFirstLinePenalty]]], PageBreakPenalty4Op];

PageBreakPenalty5Op: TJaM.CommandProc ~ { DoStyleOp[frame, pageBreakPenalty5Param] };
pageBreakPenalty5Param: Param _ Preregister[NEW[real ParamRec _ [realOps, $pageBreakBeforeLastLinePenalty, real[pageBreakBeforeLastLinePenalty]]], PageBreakPenalty5Op];
ClearTabStopsOp: TJaM.CommandProc ~ {
ref: Style _ StyleForFrame[frame];
ref.tabStops _ NIL; ref.numTabStops _ 0;
};

TabStopOp: TJaM.CommandProc ~ {
ref: Style _ StyleForFrame[frame];
tabStop: TabStop _ TabSpec[ref, frame];
loc: REAL _ 0.0;
tabStop.loc _ GetTabRealCode[ref, tabStop, loc, TJaM.PopReal[frame]];
loc _ GetTabLoc[tabStop, ref];
ref.numTabStops _ ref.numTabStops+1;
IF ref.tabStops = NIL OR GetTabLoc[ref.tabStops.first, ref] <= loc THEN
ref.tabStops _ CONS[tabStop, ref.tabStops]
ELSE { -- copy list up to first with smaller loc
old: LIST OF TabStop _ ref.tabStops;
new: LIST OF TabStop _ CONS[old.first, NIL];
ref.tabStops _ new;
FOR lst: LIST OF TabStop _ old.rest, lst.rest DO
IF lst=NIL OR GetTabLoc[lst.first, ref] <= loc THEN { -- insert here
new.rest _ CONS[tabStop, lst];
EXIT;
};
new.rest _ CONS[lst.first, NIL];
new _ new.rest;
ENDLOOP;
};
};

RelativeTabStopsOp: TJaM.CommandProc ~ {
ref: Style _ StyleForFrame[frame];
name: ATOM;
ok: BOOL;
[name, ok] _ TryToPopName[frame];
IF NOT ok THEN { -- restore name to stack and return default
TJaM.PushRope[frame, "illegal value for tabStops: should be fixed or relative"];
StyleError[frame, 1];
};
SELECT name FROM
$fixed => ref.fixedTabs _ TRUE;
$relative => ref.fixedTabs _ FALSE;
ENDCASE => { -- restore name to stack and return default
TJaM.Push[frame, name];
TJaM.PushRope[frame, "illegal value for tabStops: should be fixed or relative"];
StyleError[frame, 2];
};
};

DefaultTabStopsOp: TJaM.CommandProc ~ {
ref: Style _ StyleForFrame[frame];
tabStop: TabStop _ TabSpec[ref, frame];
tabStop.loc _ GetTabRealCode[ref, tabStop, loc, TJaM.PopReal[frame]];
ref.defaultTabStops _ tabStop;
};
TabSpec: PROC [ref: Style, frame: Frame] RETURNS [tabStop: TabStop] ~ { -- parse tab specs
looks: Tioga.Looks _ TabLooksSpec[frame];
breakIfPast: BOOL _ TabPastSpec[frame];
tabStop _ TabPattern[ref, frame];
tabStop.looks _ looks;
tabStop.breakIfPast _ breakIfPast;
TabAlign[tabStop, frame];
};

TabLooksSpec: PROC [frame: Frame] RETURNS [lks: Tioga.Looks] ~ {
name: ATOM;
ok: BOOL;
SetLookBit: Rope.ActionType ~ {
c _ Ascii.Lower[c];
IF c IN ['a..'z] THEN lks[c] _ TRUE;
RETURN [FALSE];
};
lks _ Tioga.noLooks;
[name, ok] _ TryToPopName[frame];
IF NOT ok THEN RETURN;
IF name # $looks THEN { TJaM.Push[frame, name]; RETURN };
[] _ Rope.Map[base~TJaM.PopRope[frame], action~SetLookBit];
};

TabPastSpec: PROC [frame: Frame] RETURNS [break: BOOL] ~ {
name: ATOM;
ok: BOOL;
[name, ok] _ TryToPopName[frame];
IF NOT ok THEN RETURN;
SELECT name FROM
$breakIfPast => break _ TRUE;
$spaceIfPast => break _ FALSE;
ENDCASE => { -- restore name to stack and return default
TJaM.Push[frame, name];
break _ FALSE;
};
};

TabPattern: PROC [ref: Style, frame: Frame] RETURNS [tabStop: TabStop] ~ {
name: ATOM;
ok: BOOL;
[name, ok] _ TryToPopName[frame];
IF NOT ok THEN { tabStop _ NEW[blank TabStopRec]; RETURN };
SELECT name FROM
$blank => tabStop _ NEW[blank TabStopRec];
$leaders => {
leaderRope: ROPE;
value: REAL _ 0.0;
ldrStop: LeaderTabStop _ NEW[leaders TabStopRec];
tabStop _ ldrStop;
[name, ok] _ TryToPopName[frame];
IF NOT ok THEN ldrStop.congruent _ TRUE
ELSE SELECT name FROM
$centered => ldrStop.congruent _ FALSE;
$congruent => ldrStop.congruent _ TRUE;
ENDCASE => {
TJaM.Push[frame, name];
TJaM.PushRope[frame, "is not legal as value for tab leaders: congruent or centered"];
StyleError[frame, 2];
};
[value, ok] _ TryToPopReal[frame];
ldrStop.spacing _ GetTabRealCode[ref, tabStop, spacing, IF ok THEN value ELSE 0.0];
[leaderRope, ok] _ TryToPopRope[frame];
IF ok AND NOT leaderRope.IsEmpty THEN {
IF leaderRope.Length > 1 THEN {
TJaM.PushRope[frame, "Cannot specify more than one character for tab leaders"];
StyleError[frame, 1];
}
ELSE ldrStop.char _ leaderRope.Fetch[0];
}
ELSE {
TJaM.PushRope[frame, "Must specify character for tab leaders"];
StyleError[frame, 1];
};

};
$rule => {
ruleStop: RuleTabStop _ NEW[rule TabStopRec];
tabStop _ ruleStop;
ruleStop.vshift _ GetTabRealCode[ref, tabStop, vshift, TJaM.PopReal[frame]];
ruleStop.weight _ GetTabRealCode[ref, tabStop, weight, TJaM.PopReal[frame]];
};
$rules => {
array: TJaM.Array _ TJaM.PopArray[frame];
rulesStop: RulesTabStop _ NEW[rules TabStopRec];
tabStop _ rulesStop;
rulesStop.rules _ NEW[TabArrayRec[array.len]];
FOR i: NAT IN [0..array.len/2) DO
TJaM.Push[frame, TJaM.AGet[array, 2*i]];
rulesStop.rules.array[i].weight _
GetTabRealCode[ref, tabStop, weight, TJaM.PopReal[frame]];
TJaM.Push[frame, TJaM.AGet[array, 2*i+1]];
rulesStop.rules.array[i].vshift _
GetTabRealCode[ref, tabStop, vshift, TJaM.PopReal[frame]];
ENDLOOP;
};
ENDCASE => {
TJaM.Push[frame, name];
tabStop _ NEW[blank TabStopRec];
};
};

MissingChar: PROC [frame: Frame] ~ {
TJaM.PushRope[frame, "Cannot specify more than one character for tab alignment"];
StyleError[frame, 1];
};

TabAlign: PROC [tabStop: TabStop, frame: Frame] ~ {
name: ATOM;
ok: BOOL;
[name, ok] _ TryToPopName[frame];
IF NOT ok THEN { tabStop.alignment _ FlushLeft; RETURN };
SELECT name FROM
$flushLeft => tabStop.alignment _ FlushLeft;
$flushRight => tabStop.alignment _ FlushRight;
$centered => tabStop.alignment _ Centered;
$aligned => {
alignRope: ROPE;
tabStop.alignment _ Character;
[alignRope, ok] _ TryToPopRope[frame];
IF ok AND NOT alignRope.IsEmpty THEN {
IF alignRope.Length = 1 THEN tabStop.alignmentChar _ alignRope.Fetch[0]
ELSE {
TJaM.PushRope[frame, "Cannot specify more than one character for tab alignment"];
StyleError[frame, 1];
}
}
ELSE {
TJaM.PushRope[frame, "Must specify character for tab alignment"];
StyleError[frame, 1];
};
};
ENDCASE => {
TJaM.Push[frame, name];
tabStop.alignment _ FlushLeft;
};
};

PointsOp: TJaM.CommandProc ~ { }; -- no change needed to convert to points

pointsPerBigPoint: REAL _ 72.27/72;
BigPointsOp: TJaM.CommandProc ~ {TJaM.PushReal[frame, TJaM.PopReal[frame]*pointsPerBigPoint]};

PicasOp: TJaM.CommandProc ~ {
TJaM.PushReal[frame, TJaM.PopReal[frame]*PointsPerPica] };

InchesOp: TJaM.CommandProc ~ {
TJaM.PushReal[frame, TJaM.PopReal[frame]*PointsPerInch] };

CentimetersOp: TJaM.CommandProc ~ {
TJaM.PushReal[frame, TJaM.PopReal[frame]*PointsPerCentimeter] };

MillimetersOp: TJaM.CommandProc ~ {
TJaM.PushReal[frame, TJaM.PopReal[frame]*PointsPerMillimeter] };

DidotPointsOp: TJaM.CommandProc ~ {
TJaM.PushReal[frame, TJaM.PopReal[frame]*PointsPerDidot] };

EmsOp: TJaM.CommandProc ~ {
oneEm: REAL ~ GetFontSize[StyleForFrame[frame]]; -- should really be width of "M" in current font
TJaM.PushReal[frame, TJaM.PopReal[frame]*oneEm];
};

EnsOp: TJaM.CommandProc ~ {
oneEn: REAL ~ GetFontSize[StyleForFrame[frame]]/2; -- should really be width of "N" in current font
TJaM.PushReal[frame, TJaM.PopReal[frame]*oneEn];
};

ScreenSpacesOp: TJaM.CommandProc ~ {
spaces: REAL ~ TJaM.PopReal[frame];
width: REAL ~ GetScreenSpaceWidth[StyleForFrame[frame]];
TJaM.PushReal[frame, spaces*width];
};

PrintSpacesOp: TJaM.CommandProc ~ {
spaces: REAL ~ TJaM.PopReal[frame];
width: REAL ~ GetPrintSpaceWidth[StyleForFrame[frame]];
TJaM.PushReal[frame, spaces*width];
};

FilOp: TJaM.CommandProc ~ {
TJaM.PushReal[frame, TJaM.PopReal[frame]*PointsPerFil] };

FillOp: TJaM.CommandProc ~ {
TJaM.PushReal[frame, TJaM.PopReal[frame]*PointsPerFill] };

FilllOp: TJaM.CommandProc ~ {
TJaM.PushReal[frame, TJaM.PopReal[frame]*PointsPerFilll] };


END.
ϊNodeStyleWorks3Impl.mesa
Copyright c 1985, 1986 by Xerox Corporation.  All rights reserved.
Written by Bill Paxton, January 1981
Bill Paxton, December 1, 1982 7:38 am
Maxwell, January 6, 1983 8:46 am
Russ Atkinson, March 7, 1985 3:34:46 am PST
Doug Wyatt, September 24, 1986 6:34:00 pm PDT
Michael Plass, March 14, 1986 11:02:57 am PST
Rick Beach, June 3, 1985 5:26:48 pm PDT
Implements JaM commands for style rules and commands to load styles.

Initialization
This must be first to pick up the Preregister calls in the start code.




Style Name
Font Parameters
Font Prefix
Font Family
Font Size
Font Face
Font Alphabets
Text Rotation
Indents
Left Indent
Right Indent
First Indent
First Indent on the Right
Rest Indent
Runaround Left
Runaround Right
Top Indent
Bottom Indent
Leading Parameters
Line Leading Glue
Top Leading Glue
Bottom Leading Glue
Line Formatting
Underlining
Strikeout
Miscellaneous Positioning Parameters
TabStops
Line Weight
Page Layout Parameters
Page Width
Text Color
Page Break Penalty Parameters
Fancy Tabs
Insert in list of tab stops.  kept sorted by decreasing location, i.e., from right to left on page
this may result in a slight decrease in efficiency for the formatters, but it substantially reduces allocations during the creation of the list since styles tend to define tab stops in increasing order, so can add to start of list and list additions must be non-destructive of the previous list

PROC [c: CHAR] RETURNS [quit: BOOL _ FALSE]
restore name to stack and return default
Dimensions
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