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mirror of synced 2024-06-26 05:47:39 +00:00

Implemented simple interfaces

This commit is contained in:
Mark van Renswoude 2008-02-26 21:53:11 +00:00
parent 95a306f0b1
commit f5131df456
5 changed files with 359 additions and 56 deletions

View File

@ -35,7 +35,7 @@ object MainForm: TMainForm
AddQuotes = False
Anchors = [akLeft, akTop, akRight]
TabOrder = 0
Text = 'F:\XTxXSD\Offerte.xsd'
Text = 'F:\XTxXSD\TelefoonGegevens.xsd'
end
object gbOutput: TGroupBox
Left = 8

View File

@ -58,6 +58,8 @@ uses
procedure TMainForm.FormCreate(Sender: TObject);
begin
plOutput.ActivePageIndex := 0;
btnGenerate.Click;
ModalResult := mrCancel;
end;

View File

@ -11,6 +11,9 @@ uses
type
TGetFileNameEvent = procedure(Sender: TObject; const SchemaName: String; var Result: String) of object;
TDelphiXMLSection = (dxsForward, dxsInterface, dxsClass, dxsImplementation);
TDelphiXMLMember = (dxmPropertyGet, dxmPropertySet, dxmPropertyDeclaration);
TDelphiXMLDataBindingGenerator = class(TXMLDataBindingGenerator)
private
FOnGetFileName: TGetFileNameEvent;
@ -21,10 +24,19 @@ type
function DoGetFileName(const ASchemaName: String): String;
function TranslateDataType(ADataType: IXMLTypeDef): String;
function CreateNewGUID(): String;
procedure WriteUnitHeader(AStream: TStreamHelper; const AFileName: String);
procedure WriteSchemaInterfaces(AStream: TStreamHelper; ASchemaDef: IXMLSchemaDef; AForward: Boolean);
procedure WriteElementInterface(AStream: TStreamHelper; AElement: IXMLElementDef; AForward: Boolean);
procedure WriteElements(AStream: TStreamHelper; AType: IXMLTypeDef);
procedure WriteInterface(AStream: TStreamHelper; ASchemaDef: IXMLSchemaDef; ASection: TDelphiXMLSection);
procedure WriteComplexElementInterface(AStream: TStreamHelper; AElement: IXMLElementDef; ASection: TDelphiXMLSection);
function WriteSimpleElementInterface(AStream: TStreamHelper; AElement: IXMLElementDef; AMember: TDelphiXMLMember): Boolean;
procedure WriteEnumeration(AStream: TStreamHelper; AElement: IXMLElementDef);
procedure WriteElements(AStream: TStreamHelper; AElements: IXMLElementDefs); overload;
procedure WriteElements(AStream: TStreamHelper; AElements: IXMLElementDefList); overload;
procedure WriteImplementation(AStream: TStreamHelper);
procedure WriteUnitFooter(AStream: TStreamHelper);
public
@ -36,6 +48,46 @@ uses
SysUtils;
const
SectionComments: array[TDelphiXMLSection] of String =
(
' { Forward declarations for %s }',
' { Interfaces for %s }',
' { Classes for %s }',
'{ Implementation for %s }'
);
MemberPropertyGet = ' function Get%0:s: %1:s;';
MemberPropertySet = ' procedure Set%0:s(const Value: %1:s);';
MemberProperty = ' property %0:s: %1:s read Get%0:s write Set%0:s;';
MemberPropertyReadOnly = ' property %0:s: %1:s read Get%0:s;';
ReservedWords: array[0..111] of String =
(
'absolute', 'abstract', 'and', 'array', 'as', 'asm',
'assembler', 'automated', 'begin', 'case', 'cdecl', 'class',
'const', 'constructor', 'contains', 'default', 'deprecated',
'destructor', 'dispid', 'dispinterface', 'div', 'do',
'downto', 'dynamic', 'else', 'end', 'except', 'export',
'exports', 'external', 'far', 'file', 'final', 'finalization',
'finally', 'for', 'forward', 'function', 'goto', 'if',
'implementation', 'implements', 'in', 'index', 'inherited',
'initialization', 'inline', 'interface', 'is', 'label',
'library', 'local', 'message', 'mod', 'name', 'near',
'nil', 'nodefault', 'not', 'object', 'of', 'or', 'out',
'overload', 'override', 'package', 'packed', 'pascal',
'platform', 'private', 'procedure', 'program', 'property',
'protected', 'public', 'published', 'raise', 'read',
'readonly', 'record', 'register', 'reintroduce', 'repeat',
'requires', 'resident', 'resourcestring', 'safecall',
'sealed', 'set', 'shl', 'shr', 'static', 'stdcall',
'stored', 'string', 'then', 'threadvar', 'to', 'try', 'type',
'unit', 'unsafe', 'until', 'uses', 'var', 'varargs',
'virtual', 'while', 'with', 'write', 'writeonly', 'xor'
);
{ TDelphiXMLDataBindingGenerator }
procedure TDelphiXMLDataBindingGenerator.GenerateDataBinding();
begin
@ -51,6 +103,7 @@ var
unitName: String;
unitStream: TStreamHelper;
schemaIndex: Integer;
section: TDelphiXMLSection;
begin
unitName := DoGetFileName(Schema[0].SchemaName);
@ -58,20 +111,29 @@ begin
try
WriteUnitHeader(unitStream, unitName);
unitStream.WriteLn('type');
unitStream.WriteLn(' TXMLCollection = Variant;');
unitStream.WriteLn();
for schemaIndex := 0 to Pred(SchemaCount) do
for section := dxsForward to dxsClass do
begin
unitStream.WriteLn(' { Forward declarations for ' + Schema[schemaIndex].SchemaName + ' }');
WriteSchemaInterfaces(unitStream, Schema[schemaIndex].SchemaDef, True);
end;
for schemaIndex := 0 to Pred(SchemaCount) do
begin
unitStream.WriteLn(' { Interfaces for ' + Schema[schemaIndex].SchemaName + ' }');
WriteSchemaInterfaces(unitStream, Schema[schemaIndex].SchemaDef, False);
for schemaIndex := 0 to Pred(SchemaCount) do
begin
unitStream.WriteLn(Format(SectionComments[section], [Schema[schemaIndex].SchemaName]));
WriteInterface(unitStream, Schema[schemaIndex].SchemaDef, section);
unitStream.WriteLn();
end;
end;
unitStream.WriteLn();
WriteImplementation(unitStream);
for schemaIndex := 0 to Pred(SchemaCount) do
begin
unitStream.WriteLn(Format(SectionComments[dxsImplementation], [Schema[schemaIndex].SchemaName]));
WriteInterface(unitStream, Schema[schemaIndex].SchemaDef, dxsImplementation);
unitStream.WriteLn();
end;
WriteUnitFooter(unitStream);
finally
FreeAndNil(unitStream);
@ -84,6 +146,34 @@ begin
end;
function TDelphiXMLDataBindingGenerator.TranslateDataType(ADataType: IXMLTypeDef): String;
begin
Result := 'Variant';
// #ToDo1 (MvR) 26-2-2008: check type mapping
if ADataType.IsComplex then
begin
Result := 'IXML' + ADataType.Name;
end else if ADataType.Enumerations.Count > 0 then
begin
Result := 'TXML' + ADataType.Name;
end else
begin
if ADataType.NamespaceURI = SXMLSchemaURI_2001 then
begin
if ADataType.Name = 'int' then
Result := 'Integer'
else if ADataType.Name = 'float' then
Result := 'Double'
else if ADataType.Name = 'boolean' then
Result := 'Boolean'
else if ADataType.Name = 'string' then
Result := 'String';
end;
end;
end;
procedure TDelphiXMLDataBindingGenerator.WriteUnitHeader(AStream: TStreamHelper; const AFileName: String);
begin
// #ToDo1 (MvR) 14-4-2007: if outputtype = multiple, use include files
@ -97,12 +187,13 @@ begin
AStream.WriteLn('interface');
AStream.WriteLn('uses');
AStream.WriteLn(' XMLDoc,');
AStream.WriteLn(' XMLIntf;');
AStream.WriteLn(' XMLIntf,');
AStream.WriteLn(' Variants;');
AStream.WriteLn();
end;
procedure TDelphiXMLDataBindingGenerator.WriteSchemaInterfaces(AStream: TStreamHelper; ASchemaDef: IXMLSchemaDef; AForward: Boolean);
procedure TDelphiXMLDataBindingGenerator.WriteInterface(AStream: TStreamHelper; ASchemaDef: IXMLSchemaDef; ASection: TDelphiXMLSection);
procedure ProcessElementDefs(AElements: IXMLElementDefList);
var
@ -114,10 +205,14 @@ procedure TDelphiXMLDataBindingGenerator.WriteSchemaInterfaces(AStream: TStreamH
begin
element := AElements[elementIndex];
if element.DataType.IsComplex then
if not Assigned(element.Ref) then
begin
WriteElementInterface(AStream, element, AForward);
ProcessElementDefs(element.ChildElements);
if element.DataType.IsComplex and
element.DataType.IsAnonymous then
begin
WriteComplexElementInterface(AStream, element, ASection);
ProcessElementDefs(element.ChildElements);
end;
end;
end;
end;
@ -133,10 +228,19 @@ begin
begin
element := ASchemaDef.ElementDefs[elementIndex];
WriteElementInterface(AStream, element, AForward);
if element.DataType.IsComplex then
if element.DataType.Enumerations.Count > 0 then
begin
ProcessElementDefs(element.ChildElements);
{ Enumerated type }
if ASection = dxsForward then
WriteEnumeration(AStream, element);
end else
begin
{ Element }
WriteComplexElementInterface(AStream, element, ASection);
if element.DataType.IsComplex then
begin
ProcessElementDefs(element.ChildElements);
end;
end;
end;
@ -144,18 +248,30 @@ begin
begin
complexType := ASchemaDef.ComplexTypes[complexTypeIndex];
if AForward then
begin
AStream.WriteLn(' IXML' + complexType.Name + ' = interface; { ComplexType }');
end else
begin
AStream.WriteLn(' IXML' + complexType.Name + ' = interface');
AStream.WriteLn(' {TODO:GUID}');
case ASection of
dxsForward:
begin
AStream.WriteLn(' IXML' + complexType.Name + ' = interface;');
end;
dxsInterface:
begin
AStream.WriteLn(' IXML' + complexType.Name + ' = interface(IXMLNode)');
AStream.WriteLn(' ' + CreateNewGUID());
WriteElements(AStream, complexType.ElementDefs);
AStream.WriteLn(' end;');
AStream.WriteLn();
end;
dxsClass:
begin
AStream.WriteLn(Format(' TXML%0:s = class(TXMLNode, IXML%0:s)', [complexType.Name]));
WriteElements(AStream, complexType.ElementDefs);
AStream.WriteLn(' end;');
AStream.WriteLn();
end;
dxsImplementation:
begin
WriteElements(complexType);
AStream.WriteLn(' end;');
AStream.WriteLn();
end;
end;
ProcessElementDefs(complexType.ElementDefList);
@ -163,20 +279,165 @@ begin
end;
procedure TDelphiXMLDataBindingGenerator.WriteElementInterface(AStream: TStreamHelper; AElement: IXMLElementDef; AForward: Boolean);
procedure TDelphiXMLDataBindingGenerator.WriteComplexElementInterface(AStream: TStreamHelper; AElement: IXMLElementDef; ASection: TDelphiXMLSection);
begin
if AForward then
case ASection of
dxsForward:
begin
AStream.WriteLn(' IXML' + AElement.Name + ' = interface;');
end;
dxsInterface:
begin
AStream.WriteLn(' IXML' + AElement.Name + ' = interface(IXMLNode)');
AStream.WriteLn(' ' + CreateNewGUID());
WriteElements(AStream, AElement.ChildElements);
AStream.WriteLn(' end;');
AStream.WriteLn();
end;
dxsClass:
begin
AStream.WriteLn(Format(' TXML%0:s = class(TXMLNode, IXML%0:s)', [AElement.Name]));
WriteElements(AStream, AElement.ChildElements);
AStream.WriteLn(' end;');
AStream.WriteLn();
end;
dxsImplementation:
begin
end;
end;
end;
function TDelphiXMLDataBindingGenerator.WriteSimpleElementInterface(AStream: TStreamHelper; AElement: IXMLElementDef; AMember: TDelphiXMLMember): Boolean;
var
isReadOnly: Boolean;
memberName: String;
dataType: String;
memberFormat: String;
begin
Result := False;
isReadOnly := AElement.DataType.IsComplex;
if isReadOnly and (AMember = dxmPropertySet) then
exit;
dataType := '';
// #ToDo1 (MvR) 22-2-2008: escape reserved words
memberName := AElement.Name;
if (AElement.MaxOccurs = 'unbounded') or
(AElement.MaxOccurs > 1) then
begin
AStream.WriteLn(' IXML' + AElement.Name + ' = interface; { ElementDef }');
{ Collection }
dataType := Format('IXML%sCollection', [AElement.Name]);
end else
begin
// #ToDo1 (MvR) 14-4-2007: output element interface
dataType := TranslateDataType(AElement.DataType);
end;
case AMember of
dxmPropertyGet:
memberFormat := MemberPropertyGet;
dxmPropertySet:
memberFormat := MemberPropertySet;
dxmPropertyDeclaration:
if isReadOnly then
memberFormat := MemberPropertyReadOnly
else
memberFormat := MemberProperty;
end;
AStream.Write(Format(memberFormat, [memberName, dataType]));
if AElement.MinOccurs = 0 then
{ Optional }
AStream.WriteLn(' { Optional }')
else
AStream.WriteLn();
Result := True;
end;
procedure TDelphiXMLDataBindingGenerator.WriteEnumeration(AStream: TStreamHelper; AElement: IXMLElementDef);
var
enumerations: IXMLEnumerationCollection;
enumIndex: Integer;
enumStart: String;
lineIndent: String;
begin
enumerations := AElement.DataType.Enumerations;
if enumerations.Count = 0 then
exit;
// #ToDo1 (MvR) 26-2-2008: unique prefix?
enumStart := Format(' TXML%s = (', [AElement.Name]);
AStream.Write(enumStart);
lineIndent := StringOfChar(' ', Length(enumStart));
for enumIndex := 0 to Pred(enumerations.Count) do
begin
if enumIndex > 0 then
AStream.Write(lineIndent);
AStream.Write(Format('%s_%s', [AElement.Name, enumerations[enumIndex].Value]));
if enumIndex < Pred(enumerations.Count) then
AStream.WriteLn(',')
else
AStream.WriteLn(');');
end;
end;
procedure TDelphiXMLDataBindingGenerator.WriteElements(AStream: TStreamHelper; AElements: IXMLElementDefList);
var
elementIndex: Integer;
member: TDelphiXMLMember;
hasMembers: Boolean;
begin
for member := Low(TDelphiXMLMember) to High(TDelphiXMLMember) do
begin
hasMembers := False;
for elementIndex := 0 to Pred(AElements.Count) do
if WriteSimpleElementInterface(AStream, AElements[elementIndex], member) then
hasMembers := True;
if hasMembers and (member < High(TDelphiXMLMember)) then
AStream.WriteLn();
end;
end;
procedure TDelphiXMLDataBindingGenerator.WriteElements(AStream: TStreamHelper; AElements: IXMLElementDefs);
var
elementIndex: Integer;
member: TDelphiXMLMember;
hasMembers: Boolean;
begin
for member := Low(TDelphiXMLMember) to High(TDelphiXMLMember) do
begin
hasMembers := False;
for elementIndex := 0 to Pred(AElements.Count) do
if WriteSimpleElementInterface(AStream, AElements[elementIndex], member) then
hasMembers := True;
if hasMembers and (member < High(TDelphiXMLMember)) then
AStream.WriteLn();
end;
end;
procedure TDelphiXMLDataBindingGenerator.WriteImplementation(AStream: TStreamHelper);
begin
AStream.WriteLn('implementation');
AStream.WriteLn();
end;
@ -187,6 +448,17 @@ begin
end;
function TDelphiXMLDataBindingGenerator.CreateNewGUID(): String;
var
guid: TGUID;
begin
Result := '{ GUID generation failed }';
if CreateGUID(guid) = S_OK then
Result := '[''' + GUIDToString(guid) + ''']';
end;
function TDelphiXMLDataBindingGenerator.DoGetFileName(const ASchemaName: String): String;
begin
Result := OutputPath;

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@ -32,6 +32,7 @@ type
protected
function LoadSchema(const AStream: TStream; const ASchemaName: String): IXMLSchemaDef;
function FindSchema(const ALocation: String): TStream;
function SchemaLoaded(const ALocation: String): Boolean;
procedure GenerateDataBinding(); virtual; abstract;
@ -124,11 +125,35 @@ end;
function TXMLDataBindingGenerator.LoadSchema(const AStream: TStream; const ASchemaName: String): IXMLSchemaDef;
procedure HandleDocRefs(const ADocRefs: IXMLSchemaDocRefs);
var
location: String;
refIndex: Integer;
refStream: TStream;
begin
for refIndex := 0 to Pred(ADocRefs.Count) do
begin
location := ADocRefs[refIndex].SchemaLocation;
if not SchemaLoaded(ChangeFileExt(location, '')) then
begin
refStream := FindSchema(location);
if Assigned(refStream) then
try
location := ChangeFileExt(ExtractFileName(location), '');
LoadSchema(refStream, location);
finally
FreeAndNil(refStream);
end;
end;
end;
end;
var
includeIndex: Integer;
includes: IXMLSchemaIncludes;
includeStream: TStream;
location: String;
schema: TXMLDataBindingSchema;
schemaDoc: IXMLSchemaDoc;
@ -142,21 +167,9 @@ begin
schema.SchemaName := ASchemaName;
FSchemas.Add(schema);
{ Handle includes }
includes := Result.SchemaIncludes;
for includeIndex := 0 to Pred(includes.Count) do
begin
location := includes[includeIndex].SchemaLocation;
includeStream := FindSchema(location);
if Assigned(includeStream) then
try
location := ChangeFileExt(ExtractFileName(location), '');
LoadSchema(includeStream, location);
finally
FreeAndNil(includeStream);
end;
end;
{ Handle imports / includes }
HandleDocRefs(Result.SchemaImports);
HandleDocRefs(Result.SchemaIncludes);
end;
@ -183,6 +196,22 @@ begin
end;
function TXMLDataBindingGenerator.SchemaLoaded(const ALocation: String): Boolean;
var
schemaIndex: Integer;
begin
Result := False;
for schemaIndex := 0 to Pred(SchemaCount) do
if Schema[schemaIndex].SchemaName = ALocation then
begin
Result := True;
break;
end;
end;
function TXMLDataBindingGenerator.GetSchemaCount(): Integer;
begin
Result := FSchemas.Count;

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@ -123,7 +123,7 @@
<Directories Name="UnitOutputDir"></Directories>
<Directories Name="PackageDLLOutputDir"></Directories>
<Directories Name="PackageDCPOutputDir"></Directories>
<Directories Name="SearchPath">$(BDS)\lib\Debug;$(BDS)\Lib\Debug\Indy10</Directories>
<Directories Name="SearchPath"></Directories>
<Directories Name="Packages"></Directories>
<Directories Name="Conditionals">madExcept</Directories>
<Directories Name="DebugSourceDirs"></Directories>