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raw | patch | inline | side by side (parent: 44064f0)
raw | patch | inline | side by side (parent: 44064f0)
| author | Ketmar Dark <ketmar@ketmar.no-ip.org> | |
| Sat, 26 Aug 2017 18:32:28 +0000 (21:32 +0300) | ||
| committer | Ketmar Dark <ketmar@ketmar.no-ip.org> | |
| Sat, 26 Aug 2017 18:33:01 +0000 (21:33 +0300) |
| src/shared/xdynrec.pas | patch | blob | history |
diff --git a/src/shared/xdynrec.pas b/src/shared/xdynrec.pas
index a5f3623823add801a86fba14851c813d5de0c2d0..f06df080f830a7f37ef7c0d6f8eb93f1477f2b66 100644 (file)
--- a/src/shared/xdynrec.pas
+++ b/src/shared/xdynrec.pas
mSVal: AnsiString; // string; for byte and char arrays
mRVal: TDynRecordArray; // for list
mRecRef: TDynRecord; // for record
- mMaxDim: Integer; // for byte and char arrays; <0: not an array
+ mMaxDim: Integer; // for byte and char arrays; <0: not an array; 0: impossible value
mBinOfs: Integer; // offset in binary; <0 - none
mRecOfs: Integer; // offset in record; <0 - none
mSepPosSize: Boolean; // for points and sizes, use separate fields
mAsT: Boolean; // for points and sizes, use separate fields, names starts with `t`
mDefined: Boolean;
mHasDefault: Boolean;
- mDefaultValueSet: Boolean;
mOmitDef: Boolean;
mInternal: Boolean;
mNegBool: Boolean;
mBitSetUnique: Boolean; // bitset can contain only one value
// default value
- mDefSVal: AnsiString;
+ mDefUnparsed: AnsiString;
+ mDefSVal: AnsiString; // default string value
+ mDefIVal, mDefIVal2: Integer; // default integer values
+ mDefRecRef: TDynRecord;
mEBS: TEBS; // complex type type
mEBSTypeName: AnsiString; // name of enum, bitset or record
procedure parseDef (pr: TTextParser);
- procedure fixDefaultValue ();
+ procedure parseDefaultValue (); // parse `mDefUnparsed` to `mDefSVal`, `mDefIVal`, `mDefIVal2`, `mDefRecRef`
+ procedure fixDefaultValue (); // this will NOT clone `mDefRecRef`
function isDefaultValue (): Boolean;
public
function clone (): TDynField;
- procedure parseValue (pr: TTextParser; curheader: TDynRecord);
+ procedure parseValue (pr: TTextParser);
procedure parseBinValue (st: TStream);
procedure writeTo (wr: TTextWriter);
- procedure writeBinTo (st: TStream; curheader: TDynRecord);
+ procedure writeBinTo (st: TStream);
// won't work for lists
function isSimpleEqu (fld: TDynField): Boolean;
+ procedure setValue (const s: AnsiString);
+
public
property pasname: AnsiString read mPasName;
property name: AnsiString read mName;
property baseType: TType read mType;
property defined: Boolean read mDefined write mDefined;
property internal: Boolean read mInternal write mInternal;
- //property ival: Integer read mIVal write setIVal;
- //property sval: AnsiString read mSVal write setSVal;
- property list: TDynRecordArray read mRVal write mRVal;
+ property ival: Integer read mIVal;
+ property sval: AnsiString read mSVal;
+ //property list: TDynRecordArray read mRVal write mRVal;
property maxdim: Integer read mMaxDim; // for fixed-size arrays
property binOfs: Integer read mBinOfs; // offset in binary; <0 - none
property recOfs: Integer read mRecOfs; // offset in record; <0 - none
property hasDefault: Boolean read mHasDefault;
- property defsval: AnsiString read mDefSVal write mDefSVal;
- property ebstype: TEBS read mEBS write mEBS;
- property ebstypename: AnsiString read mEBSTypeName write mEBSTypeName; // enum/bitset name
+ property defsval: AnsiString read mDefSVal;
+ property ebstype: TEBS read mEBS;
+ property ebstypename: AnsiString read mEBSTypeName; // enum/bitset name
property x: Integer read mIVal;
property w: Integer read mIVal;
mTrigTypes: array of AnsiString; // if this is triggerdata, we'll hold list of triggers here
mHeader: Boolean; // true for header record
mBinBlock: Integer; // -1: none
+ mHeaderRec: TDynRecord; // for "value" records this is header record with data, for "type" records this is header type record
private
procedure parseDef (pr: TTextParser); // parse definition
function getIsTrigData (): Boolean; inline;
function getIsForTrig (const aname: AnsiString): Boolean; inline;
+ protected
+ function findRecordByTypeId (const atypename, aid: AnsiString): TDynRecord;
+ function findRecordNumByType (const atypename: AnsiString; rc: TDynRecord): Integer;
+ procedure addRecordByType (const atypename: AnsiString; rc: TDynRecord);
+
public
constructor Create ();
constructor Create (pr: TTextParser); // parse definition
function clone (): TDynRecord;
- procedure parseValue (pr: TTextParser; curheader: TDynRecord);
+ procedure parseValue (pr: TTextParser);
procedure parseBinValue (st: TStream);
procedure writeTo (wr: TTextWriter; putHeader: Boolean=true);
- procedure writeBinTo (st: TStream; curheader: TDynRecord; trigbufsz: Integer=-1);
+ procedure writeBinTo (st: TStream; trigbufsz: Integer=-1);
public
property id: AnsiString read mId; // for map parser
TDynMapDef = class
- private
- procedure addRecordByType (const atypename: AnsiString; rc: TDynRecord; curheader: TDynRecord);
- function findRecordByTypeId (const atypename, aid: AnsiString; curheader: TDynRecord): TDynRecord;
- function findRecordNumByType (const atypename: AnsiString; rc: TDynRecord; curheader: TDynRecord): Integer;
-
public
recTypes: array of TDynRecord; // [0] is always header
trigTypes: array of TDynRecord; // trigdata
mDefined := false;
mOmitDef := false;
mInternal := true;
+ mDefUnparsed := '';
mDefSVal := '';
+ mDefIVal := 0;
+ mDefIVal2 := 0;
+ mDefRecRef := nil;
mEBS := TEBS.TNone;
mEBSTypeName := '';
mBitSetUnique := false;
mNegBool := false;
mDefId := '';
- mDefaultValueSet := false;
end;
result.mHasDefault := mHasDefault;
result.mOmitDef := mOmitDef;
result.mInternal := mInternal;
+ result.mDefUnparsed := mDefUnparsed;
result.mDefSVal := mDefSVal;
+ result.mDefIVal := mDefIVal;
+ result.mDefIVal2 := mDefIVal2;
+ result.mDefRecRef := mDefRecRef;
result.mEBS := mEBS;
result.mEBSTypeName := mEBSTypeName;
result.mBitSetUnique := mBitSetUnique;
result.mNegBool := mNegBool;
result.mDefId := mDefId;
- result.mDefaultValueSet := mDefaultValueSet;
end;
end;
-procedure TDynField.fixDefaultValue ();
+procedure TDynField.setValue (const s: AnsiString);
var
stp: TTextParser;
- s: AnsiString;
begin
- if not mDefined then
+ stp := TStrTextParser.Create(s+';');
+ try
+ parseValue(stp);
+ finally
+ stp.Free();
+ end;
+end;
+
+
+procedure TDynField.parseDefaultValue ();
+var
+ stp: TTextParser = nil;
+ oSVal: AnsiString;
+ oIVal, oIVal2: Integer;
+ oRRef: TDynRecord;
+ oDef: Boolean;
+begin
+ if not mHasDefault then
begin
- if not mHasDefault then
- begin
- if mInternal then exit;
- raise Exception.Create(Format('field ''%s'' in record ''%s'' of record type ''%s'' is not set', [mName, mOwner.mId, mOwner.mName]));
- end;
- if (mEBS = TEBS.TRec) then
- begin
- if (CompareText(mDefSVal, 'null') <> 0) then raise Exception.Create(Format('field ''%s'' in record ''%s'' of record type ''%s'' has non-null default value ''%s''', [mName, mOwner.mId, mOwner.mName, mDefSVal]));
- mDefined := true;
- assert(mRecRef = nil);
- mDefaultValueSet := true;
- exit;
- end;
- s := '';
- case mType of
- TType.TChar, TType.TString: s := TTextParser.quote(mDefSVal)+';';
- TType.TPoint, TType.TSize: assert(false); // no default values for these types yet
- else s := mDefSVal+';';
- end;
- //mDefined := true;
- //writeln('DEFAULT for <', mName, '>: <', s, '>');
- stp := TStrTextParser.Create(s);
+ mDefSVal := '';
+ mDefIVal := 0;
+ mDefIVal2 := 0;
+ mDefRecRef := nil;
+ end
+ else
+ begin
+ oSVal := mSVal;
+ oIVal := mIVal;
+ oIVal2 := mIVal2;
+ oRRef := mRecRef;
+ oDef := mDefined;
try
- parseValue(stp, nil);
+ stp := TStrTextParser.Create(mDefUnparsed+';');
+ parseValue(stp);
+ mDefSVal := mSVal;
+ mDefIVal := mIVal;
+ mDefIVal2 := mIVal2;
+ mDefRecRef := mRecRef;
finally
+ mSVal := oSVal;
+ mIVal := oIVal;
+ mIVal2 := oIVal2;
+ mRecRef := oRRef;
+ mDefined := oDef;
stp.Free();
end;
- assert(mDefined);
- mDefaultValueSet := true;
end;
end;
+// default value should be parsed
+procedure TDynField.fixDefaultValue ();
+begin
+ if mDefined then exit;
+ if not mHasDefault then
+ begin
+ if mInternal then exit;
+ raise Exception.Create(Format('field ''%s'' in record ''%s'' of record type ''%s'' is not set', [mName, mOwner.mId, mOwner.mName]));
+ end;
+ if (mEBS = TEBS.TRec) then
+ begin
+ mRecRef := mDefRecRef;
+ {
+ if (mDefRecRef <> nil) then
+ begin
+ rec := mDefRecRef.clone();
+ rec.mHeaderRec := mOwner.mHeaderRec;
+ try
+ mOwner.addRecordByType(mEBSTypeName, rec);
+ mRecRef := rec;
+ rec := nil;
+ finally
+ rec.Free();
+ end;
+ end;
+ }
+ end;
+ mSVal := mDefSVal;
+ mIVal := mDefIVal;
+ mIVal2 := mDefIVal2;
+ mDefined := true;
+end;
+
+
+// default value should be parsed
function TDynField.isDefaultValue (): Boolean;
-var
- fld: TDynField = nil;
- stp: TTextParser = nil;
- s: AnsiString;
begin
if not mHasDefault then begin result := false; exit; end;
- //result := mDefaultValueSet;
- if (mEBS = TEBS.TRec) then begin result := (mRecRef = nil); exit; end;
- s := '';
+ if (mEBS = TEBS.TRec) then begin result := (mRecRef = mDefRecRef); exit; end;
case mType of
- TType.TChar, TType.TString: s := TTextParser.quote(mDefSVal)+';';
- TType.TPoint, TType.TSize: begin result := false; exit; end; // no default values for these types yet
- else s := mDefSVal+';';
- end;
- stp := TStrTextParser.Create(s);
- try
- fld := clone();
- fld.parseValue(stp, nil);
- result := isSimpleEqu(fld);
- finally
- fld.Free();
- stp.Free();
+ TType.TChar, TType.TString: result := (mSVal = mDefSVal);
+ TType.TPoint, TType.TSize: result := (mIVal = mDefIVal2) and (mIVal2 = mDefIVal2);
+ TType.TList, TType.TTrigData: result := false; // no default values for those types
+ else result := (mIVal = mDefIVal);
end;
end;
TEBS.TEnum: result += ' enum '+mEBSTypeName;
TEBS.TBitSet: begin result += ' bitset '; if mBitSetUnique then result += 'unique '; result += mEBSTypeName; end;
end;
- if mHasDefault then
- begin
- if (mType = TType.TChar) or (mType = TType.TString) then result += ' default '+TTextParser.quote(mDefSVal)
- else if (Length(mDefSVal) > 0) then result += ' default '+mDefSVal;
- {
- else
- begin
- if (mType = TType.TBool) then
- begin
- result += ' default ';
- if (mDefIVal <> 0) then result += 'true' else result += 'false';
- end
- else
- begin
- result += Format(' default %d', [mDefIVal]);
- end;
- end;
- }
- end;
+ if mHasDefault and (Length(mDefUnparsed) > 0) then result += ' default '+mDefUnparsed;
if mSepPosSize then
begin
if (mType = TType.TPoint) then begin if (mAsT) then result += ' as txy' else result += ' as xy'; end
else if (fldtype = 'trigdata') then mType := TType.TTrigData
else raise Exception.Create(Format('field ''%s'' has invalid type ''%s''', [fldname, fldtype]));
- {if hasdefId and (self.baseType = self.TType.TBool) then
- begin
- if (defstr = 'true') or (defstr = 'tan') or (defstr = 'yes') then self.mDefIVal := 1
- else if (defstr = 'false') or (defstr = 'ona') or (defstr = 'no') then self.mDefIVal := 0
- else raise Exception.Create(Format('field ''%s'' has invalid boolean default ''%s''', [fldname, defstr]));
- end
- else}
- begin
- if hasdefStr then self.mDefSVal := defstr
- else if hasdefInt then self.mDefSVal := Format('%d', [defint])
- else if hasdefId then self.mDefSVal := defstr;
- end;
+ if hasdefStr then self.mDefUnparsed := TTextParser.quote(defstr)
+ else if hasdefInt then self.mDefUnparsed := Format('%d', [defint])
+ else if hasdefId then self.mDefUnparsed := defstr;
self.mHasDefault := (hasdefStr or hasdefId or hasdefInt);
self.mPasName := fldpasname;
self.mAsT := ast;
self.mOmitDef := omitdef;
self.mInternal := ainternal;
+
+ //if mHasDefault then parseDefaultValue();
end;
-procedure TDynField.writeBinTo (st: TStream; curheader: TDynRecord);
+procedure TDynField.writeBinTo (st: TStream);
var
s: AnsiString;
f: Integer;
TEBS.TNone: begin end;
TEBS.TRec:
begin
- // this must be byte/word/int
if (mMaxDim >= 0) then
begin
// this must be triggerdata
if (mRecRef <> nil) then
begin
ws := TSFSMemoryChunkStream.Create(buf, mMaxDim);
- mRecRef.writeBinTo(ws, curheader, mMaxDim); // as trigdata
+ mRecRef.writeBinTo(ws, mMaxDim); // as trigdata
end;
st.WriteBuffer(buf^, mMaxDim);
finally
else raise Exception.Create(Format('record reference type ''%s'' in field ''%s'' cannot be written', [mEBSTypeName, mName]));
end;
// find record number
- f := mOwner.mOwner.findRecordNumByType(mEBSTypeName, mRecRef, curheader);
+ f := mOwner.findRecordNumByType(mEBSTypeName, mRecRef);
if (f < 0) then raise Exception.Create(Format('record reference type ''%s'' in field ''%s'' not found in record list', [mEBSTypeName, mName]));
if (f > maxv) then raise Exception.Create(Format('record reference type ''%s'' in field ''%s'' has too big index', [mEBSTypeName, mName]));
case mType of
else
begin
if (Length(mSVal) > mMaxDim) then raise Exception.Create(Format('invalid string size definition for field ''%s''', [mName]));
- //FillChar(s[0], sizeof(s), 0);
s := utfTo1251(mSVal);
- //writeln('writing char[', mMaxDim, '] <', mName, '>: ', TTextParser.quote(s));
if (Length(s) > 0) then st.WriteBuffer(PChar(s)^, Length(s));
for f := Length(s) to mMaxDim do writeInt(st, Byte(0));
end;
TType.TByte,
TType.TUByte:
begin
- // either array, and this should be triggerdata, or byte
- if (mMaxDim < 0) then
- begin
- // byte
- writeInt(st, Byte(mIVal));
- end
- else
- begin
- // array
- raise Exception.Create(Format('byte array in field ''%s'' cannot be written', [mName]));
- end;
+ // triggerdata array was processed earlier
+ if (mMaxDim >= 0) then Exception.Create(Format('byte array in field ''%s'' cannot be written', [mName]));
+ writeInt(st, Byte(mIVal));
exit;
end;
TType.TShort,
TType.TUShort:
begin
- if (mMaxDim > 0) then raise Exception.Create(Format('short array in field ''%s'' cannot be written', [mName]));
+ if (mMaxDim >= 0) then raise Exception.Create(Format('short array in field ''%s'' cannot be written', [mName]));
writeInt(st, Word(mIVal));
exit;
end;
TType.TInt,
TType.TUInt:
begin
- if (mMaxDim > 0) then raise Exception.Create(Format('int array in field ''%s'' cannot be written', [mName]));
+ if (mMaxDim >= 0) then raise Exception.Create(Format('int array in field ''%s'' cannot be written', [mName]));
writeInt(st, LongWord(mIVal));
exit;
end;
TType.TPoint,
TType.TSize:
begin
- if (mMaxDim > 0) then raise Exception.Create(Format('pos/size array in field ''%s'' cannot be written', [mName]));
+ if (mMaxDim >= 0) then raise Exception.Create(Format('pos/size array in field ''%s'' cannot be written', [mName]));
writeInt(st, Word(mIVal));
writeInt(st, Word(mIVal2));
exit;
end;
-procedure TDynField.parseValue (pr: TTextParser; curheader: TDynRecord);
+procedure TDynField.parseValue (pr: TTextParser);
procedure parseInt (min, max: Integer);
begin
var
rec, rc: TDynRecord;
- def: TDynMapDef;
es: TDynEBS = nil;
tfld: TDynField;
tk: AnsiString;
TEBS.TNone: begin end;
TEBS.TRec:
begin
- def := mOwner.mOwner;
// ugly hack. sorry.
if (CompareText(mEBSTypeName, 'triggerdata') = 0) then
begin
tfld := rec.field['type'];
if (tfld = nil) then raise Exception.Create(Format('triggerdata value for field ''%s'' in record ''%s'' without ''type'' field', [mName, rec.mName]));
if (tfld.mEBS <> TEBS.TEnum) then raise Exception.Create(Format('triggerdata value for field ''%s'' in record ''%s'' with bad ''type'' field', [mName, rec.mName]));
- rc := def.findTrigFor(tfld.mSVal);
+ rc := mOwner.mOwner.findTrigFor(tfld.mSVal); // find in mapdef
if (rc = nil) then raise Exception.Create(Format('triggerdata definition for field ''%s'' in record ''%s'' with type ''%s'' not found', [mName, rec.mName, tfld.mSVal]));
rc := rc.clone();
- rc.parseValue(pr, curheader);
+ rc.mHeaderRec := mOwner.mHeaderRec;
+ rc.parseValue(pr);
mRecRef := rc;
mDefined := true;
exit;
// other record types
if (pr.tokType = pr.TTId) then
begin
- rec := def.findRecordByTypeId(mEBSTypeName, pr.tokStr, curheader);
- if (rec = nil) then raise Exception.Create(Format('record ''%s'' (%s) value for field ''%s'' not found', [pr.tokStr, mEBSTypeName, mName]));
- pr.expectId();
- mRecRef := rec;
+ if pr.eatId('null') then
+ begin
+ mRecRef := nil;
+ end
+ else
+ begin
+ rec := mOwner.findRecordByTypeId(mEBSTypeName, pr.tokStr);
+ if (rec = nil) then raise Exception.Create(Format('record ''%s'' (%s) value for field ''%s'' not found', [pr.tokStr, mEBSTypeName, mName]));
+ pr.expectId();
+ mRecRef := rec;
+ end;
mDefined := true;
pr.expectTT(pr.TTSemi);
exit;
end
else if (pr.tokType = pr.TTBegin) then
begin
- rec := def.findRecType(mEBSTypeName);
+ rec := mOwner.mOwner.findRecType(mEBSTypeName); // find in mapdef
if (rec = nil) then raise Exception.Create(Format('record type ''%s'' for field ''%s'' not found', [mEBSTypeName, mName]));
rc := rec.clone();
- rc.parseValue(pr, curheader);
+ rc.mHeaderRec := mOwner.mHeaderRec;
+ rc.parseValue(pr);
mRecRef := rc;
mDefined := true;
- mOwner.mOwner.addRecordByType(mEBSTypeName, rc, curheader);
+ mOwner.addRecordByType(mEBSTypeName, rc);
pr.eatTT(pr.TTSemi); // hack: allow (but don't require) semicolon after inline records
exit;
end;
end;
TEBS.TEnum:
begin
- def := mOwner.mOwner;
- es := def.findEBSType(mEBSTypeName);
+ es := mOwner.mOwner.findEBSType(mEBSTypeName); // find in mapdef
if (es = nil) then raise Exception.Create(Format('record enum type ''%s'' for field ''%s'' not found', [mEBSTypeName, mName]));
tk := pr.expectId();
if not es.has[tk] then raise Exception.Create(Format('record enum value ''%s'' of type ''%s'' for field ''%s'' not found', [tk, mEBSTypeName, mName]));
end;
TEBS.TBitSet:
begin
- def := mOwner.mOwner;
- es := def.findEBSType(mEBSTypeName);
+ es := mOwner.mOwner.findEBSType(mEBSTypeName); // find in mapdef
if (es = nil) then raise Exception.Create(Format('record bitset type ''%s'' for field ''%s'' not found', [mEBSTypeName, mName]));
mIVal := 0;
while true do
mFields := nil;
mTrigTypes := nil;
mHeader := false;
+ mHeaderRec := nil;
mBinBlock := -1;
parseDef(pr);
end;
mFields := nil;
mTrigTypes := nil;
mHeader := false;
+ mHeaderRec := nil;
end;
mName := '';
mFields := nil;
mTrigTypes := nil;
+ mHeaderRec := nil;
inherited;
end;
result.mName := mName;
result.mSize := mSize;
result.mHeader := mHeader;
+ result.mHeaderRec := mHeaderRec;
result.mBinBlock := mBinBlock;
SetLength(result.mFields, Length(mFields));
for f := 0 to High(mFields) do
end;
+function TDynRecord.findRecordByTypeId (const atypename, aid: AnsiString): TDynRecord;
+var
+ fld: TDynField;
+ f: Integer;
+begin
+ result := nil;
+ if (Length(aid) = 0) then exit;
+ // find record data
+ fld := mHeaderRec.field[atypename];
+ if (fld = nil) then exit;
+ if (fld.mType <> fld.TType.TList) then raise Exception.Create(Format('cannot get record of type ''%s'' due to name conflict with ordinary field', [atypename]));
+ // find by id
+ for f := 0 to High(fld.mRVal) do
+ begin
+ if (CompareText(fld.mRVal[f].mId, aid) = 0) then begin result := fld.mRVal[f]; exit; end;
+ end;
+ // alas
+end;
+
+
+function TDynRecord.findRecordNumByType (const atypename: AnsiString; rc: TDynRecord): Integer;
+var
+ fld: TDynField;
+ f: Integer;
+begin
+ result := -1;
+ // find record data
+ fld := mHeaderRec.field[atypename];
+ if (fld = nil) then exit;
+ if (fld.mType <> fld.TType.TList) then raise Exception.Create(Format('cannot get record of type ''%s'' due to name conflict with ordinary field', [atypename]));
+ // find by ref
+ for f := 0 to High(fld.mRVal) do
+ begin
+ if (fld.mRVal[f] = rc) then begin result := f; exit; end;
+ end;
+ // alas
+end;
+
+
+procedure TDynRecord.addRecordByType (const atypename: AnsiString; rc: TDynRecord);
+var
+ fld: TDynField;
+begin
+ // find record data
+ fld := mHeaderRec.field[atypename];
+ if (fld = nil) then
+ begin
+ // first record
+ fld := TDynField.Create(atypename, TDynField.TType.TList);
+ fld.mOwner := mHeaderRec;
+ SetLength(mHeaderRec.mFields, Length(mHeaderRec.mFields)+1);
+ mHeaderRec.mFields[High(mHeaderRec.mFields)] := fld;
+ end;
+ if (fld.mType <> fld.TType.TList) then raise Exception.Create(Format('cannot append record of type ''%s'' due to name conflict with ordinary field', [atypename]));
+ // append
+ SetLength(fld.mRVal, Length(fld.mRVal)+1);
+ fld.mRVal[High(fld.mRVal)] := rc;
+end;
+
+
procedure TDynRecord.parseDef (pr: TTextParser);
var
fld: TDynField;
end;
-procedure TDynRecord.writeBinTo (st: TStream; curheader: TDynRecord; trigbufsz: Integer=-1);
+procedure TDynRecord.writeBinTo (st: TStream; trigbufsz: Integer=-1);
var
fld: TDynField;
rec: TDynRecord;
blk, blkmax: Integer;
f, c: Integer;
bufsz: Integer = 0;
+ blksz: Integer;
begin
- if (curheader = nil) and mHeader then curheader := self;
if (trigbufsz < 0) then
begin
if (mBinBlock < 1) then raise Exception.Create('cannot write binary record without block number');
if (fld.mBinOfs < 0) then continue;
if (fld.mBinOfs >= bufsz) then raise Exception.Create('binary value offset is outside of the buffer');
TSFSMemoryChunkStream(ws).setup(buf+fld.mBinOfs, bufsz-fld.mBinOfs);
- writeln('writing field <', fld.mName, '>');
- fld.writeBinTo(ws, curheader);
+ //writeln('writing field <', fld.mName, '>');
+ fld.writeBinTo(ws);
end;
// write block with normal fields
if (rec.mBinBlock <> blk) then continue;
if (ws = nil) then ws := TMemoryStream.Create();
//rec.writeBinTo(ws);
- for c := 0 to High(fld.mRVal) do fld.mRVal[c].writeBinTo(ws, curheader);
+ for c := 0 to High(fld.mRVal) do fld.mRVal[c].writeBinTo(ws);
end;
end;
// flush block
if (ws <> nil) then
begin
+ blksz := Integer(ws.position);
ws.position := 0;
writeInt(st, Byte(blk)); // type
writeInt(st, LongWord(0)); // reserved
- writeInt(st, LongWord(ws.size)); // size
- st.CopyFrom(ws, ws.size);
+ writeInt(st, LongWord(blksz)); // size
+ st.CopyFrom(ws, blksz);
ws.Free();
ws := nil;
end;
if not mHeader then raise Exception.Create('record list in non-header record');
for c := 0 to High(fld.mRVal) do
begin
+ if (Length(fld.mRVal[c].mId) = 0) then continue;
wr.putIndent();
fld.mRVal[c].writeTo(wr, true);
end;
end;
-procedure TDynRecord.parseValue (pr: TTextParser; curheader: TDynRecord);
+procedure TDynRecord.parseValue (pr: TTextParser);
var
f, c: Integer;
fld: TDynField;
if (mOwner = nil) then raise Exception.Create(Format('can''t parse record ''%s'' value without owner', [mName]));
// not a header?
- if (curheader <> self) then
+ if not mHeader then
begin
// id?
if (pr.tokType = pr.TTId) then mId := pr.expectId();
+ end
+ else
+ begin
+ assert(mHeaderRec = self);
end;
- writeln('parsing record <', mName, '>');
+ //writeln('parsing record <', mName, '>');
pr.expectTT(pr.TTBegin);
while (pr.tokType <> pr.TTEnd) do
begin
//writeln('<', pr.tokStr, ':', asheader, '>');
// records
- if (curheader = self) then
+ if mHeader then
begin
// add records with this type (if any)
trc := mOwner.findRecType(pr.tokStr);
if (trc <> nil) then
begin
rec := trc.clone();
+ rec.mHeaderRec := mHeaderRec;
try
pr.skipToken();
- rec.parseValue(pr, curheader);
+ rec.parseValue(pr);
if (Length(rec.mId) > 0) then
begin
fld := field[pr.tokStr];
end;
end;
end;
- mOwner.addRecordByType(rec.mName, rec, curheader);
+ addRecordByType(rec.mName, rec);
rec := nil;
finally
rec.Free();
if fld.defined then raise Exception.Create(Format('duplicate field ''%s'' in record ''%s''', [fld.mName, mName]));
if fld.internal then raise Exception.Create(Format('internal field ''%s'' in record ''%s''', [fld.mName, mName]));
pr.skipToken();
- fld.parseValue(pr, curheader);
+ fld.parseValue(pr);
continue;
end;
pr.expectTT(pr.TTEnd);
// fix field defaults
for f := 0 to High(mFields) do mFields[f].fixDefaultValue();
- writeln('done parsing record <', mName, '>');
+ //writeln('done parsing record <', mName, '>');
end;
end;
-function TDynMapDef.findRecordByTypeId (const atypename, aid: AnsiString; curheader: TDynRecord): TDynRecord;
-var
- rec: TDynRecord;
- fld: TDynField;
- f: Integer;
-begin
- result := nil;
- // find record type
- if (curheader = nil) then exit;
- //writeln('searching for type <', atypename, '>');
- rec := findRecType(atypename);
- if (rec = nil) then exit;
- // find record data
- //writeln('searching for data of type <', atypename, '>');
- fld := curheader.field[atypename];
- if (fld = nil) then exit;
- if (fld.mType <> fld.TType.TList) then exit;
- // find by id
- //writeln('searching for data of type <', atypename, '> with id <', aid, '> (', Length(fld.mRVal), ')');
- for f := 0 to High(fld.mRVal) do
- begin
- if (CompareText(fld.mRVal[f].mId, aid) = 0) then
- begin
- //writeln(' FOUND!');
- result := fld.mRVal[f];
- exit;
- end;
- end;
- // alas
-end;
-
-
-procedure TDynMapDef.addRecordByType (const atypename: AnsiString; rc: TDynRecord; curheader: TDynRecord);
-var
- rec: TDynRecord;
- fld: TDynField;
-begin
- assert(curheader <> nil);
- // find record type
- rec := findRecType(atypename);
- assert(rec <> nil);
- // find record data
- //writeln('searching for data of type <', atypename, '>');
- fld := curheader.field[atypename];
- if (fld = nil) then
- begin
- // first record
- fld := TDynField.Create(atypename, TDynField.TType.TList);
- fld.mOwner := curheader;
- SetLength(curheader.mFields, Length(curheader.mFields)+1);
- curheader.mFields[High(curheader.mFields)] := fld;
- end;
- if (fld.mType <> fld.TType.TList) then exit;
- // add
- SetLength(fld.mRVal, Length(fld.mRVal)+1);
- fld.mRVal[High(fld.mRVal)] := rc;
-end;
-
-
-function TDynMapDef.findRecordNumByType (const atypename: AnsiString; rc: TDynRecord; curheader: TDynRecord): Integer;
-var
- rec: TDynRecord;
- fld: TDynField;
- f: Integer;
-begin
- result := -1;
- if (curheader = nil) then exit;
- // find record type
- rec := findRecType(atypename);
- if (rec = nil) then exit;
- // find record data
- fld := curheader.field[atypename];
- if (fld = nil) then exit;
- if (fld.mType <> fld.TType.TList) then exit;
- // find by ref
- for f := 0 to High(fld.mRVal) do
- begin
- if (fld.mRVal[f] = rc) then
- begin
- result := f;
- exit;
- end;
- end;
- // alas
-end;
-
-
procedure TDynMapDef.parseDef (pr: TTextParser);
var
dr, hdr: TDynRecord;
eb: TDynEBS;
- f: Integer;
+ f, c: Integer;
begin
hdr := nil;
while true do
end;
end;
+ // put header record to top
if (hdr = nil) then raise Exception.Create('header definition not found in mapdef');
SetLength(recTypes, Length(recTypes)+1);
for f := High(recTypes) downto 1 do recTypes[f] := recTypes[f-1];
recTypes[0] := hdr;
+
+ // setup header links
+ for f := 0 to High(recTypes) do recTypes[f].mHeaderRec := recTypes[0];
+
+ // setup default values
+ for f := 0 to High(recTypes) do
+ begin
+ for c := 0 to High(recTypes[f].mFields) do
+ begin
+ if recTypes[f].mFields[c].mHasDefault then recTypes[f].mFields[c].parseDefaultValue();
+ end;
+ end;
end;
try
pr.expectId(headerType.name);
res := headerType.clone();
- res.parseValue(pr, res);
+ res.mHeaderRec := res;
+ res.parseValue(pr);
result := res;
res := nil;
except on E: Exception do