delphi tclientDataset XML 파일의 메타 데이터 섹션을 설명하는 부분 XSD가있는 사람이 있습니까?
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20-08-2019 - |
문제
행 요소에는 내용에 따라 이름이있는 속성이 있기 때문에 XSD 스키마가있는 tclientDataset의 XML을 완전히 설명 할 수는 없습니다.
그러나 그러한 XML의 메타 데이터 섹션은 있어야합니다.
그래서 : delphi tclientDatasets로 저장할 수있는 XML의 메타 데이터 부분을 설명하는 (부분) XSD를 가진 사람이 있습니까?
문안 인사.
추신:
XML-> XSD 변환 도구/사이트에 대한 포인터에 감사드립니다. 나는 또한 직접 그렇게했지만 XSD를 적절한 방식으로 생성하는 데 적절한 방식으로 (즉, 모든 가능성을 다루는) 모든 가능성 (왕복, 행 스테이트 등)을 다루는 입력 XML이 필요합니다. 나는 그런 식으로 괜찮은 XSD를 생각해 내고 여기에 게시 할 것입니다.
해결책 2
편집하다:
XSD를 두 부분으로 나누고이 파일을 사용하여 더 완전하게 만들었습니다. Delphi XE
: dsconst.h
, dspickle.h
, dsxml.h
.
추가 된 경우 PM 또는 의견을 제시하십시오.
아래 XSD 파일은 지금까지 합리적으로 작동하는 것 같습니다. 이로 유효한 tclientDataset XML이있는 경우 XML을 이메일로 보내주십시오 (Google 또는 내 메일 주소에 대한 아래에 의견을 넣으십시오).
먼저 파일 CDS.xsd
, 파일이 포함되어 있습니다 CDS_METADATA_FIELDS_include.xsd
더 나아가.
tclientDataset XML 문서의 기본 구조를 정의합니다. DATAPACKET
, 포함 METADATA
그리고 ROWDATA
, 어디 METADATA
포함 FIELDS
그리고 PARAMS
, 그리고 ROWDATA
포함 ROW
집단:
<?xml version="1.0" encoding="UTF-8"?>
<xs:schema xmlns:xs="http://www.w3.org/2001/XMLSchema">
<xs:include schemaLocation="CDS_METADATA_FIELDS_include.xsd"/>
<!-- DATAPACKET/datapacket -->
<xs:element name="DATAPACKET" type="datapacket"/>
<xs:complexType name="datapacket">
<xs:sequence>
<xs:element ref="METADATA"/>
<xs:element ref="ROWDATA"/>
</xs:sequence>
<xs:attribute name="Version" type="xs:NMTOKEN" use="required"/>
</xs:complexType>
<!-- METADATA/metadata -->
<xs:element name="METADATA" type="metadata"/>
<xs:complexType name="metadata">
<xs:sequence>
<xs:element ref="FIELDS"/>
<xs:element ref="PARAMS"/>
</xs:sequence>
</xs:complexType>
<!-- PARAMS/params -->
<xs:element name="PARAMS" type="params"/>
<xs:complexType name="params">
<xs:attribute name="MD_FIELDLINKS" type="xs:string" use="optional"/>
<xs:attribute name="DEFAULT_ORDER" type="xs:positiveInteger"/>
<xs:attribute name="LCID" type="xs:positiveInteger"/>
<xs:attribute name="CHANGE_LOG" type="xs:string" use="optional"/>
<xs:attribute name="PRIMARY_KEY" type="xs:positiveInteger" use="optional"/>
</xs:complexType>
<!-- ROWDATA/rowdata -->
<xs:element name="ROWDATA" type="rowdata"/>
<xs:complexType name="rowdata">
<xs:sequence>
<xs:element ref="ROW" minOccurs="0" maxOccurs="unbounded"/>
</xs:sequence>
</xs:complexType>
<!-- ROW/row -->
<xs:element name="ROW" type="row"/>
<xs:complexType name="row">
<xs:sequence>
<xs:any namespace="##any" processContents="lax" minOccurs="0" maxOccurs="unbounded"/>
</xs:sequence>
<xs:attribute name="RowState" type="xs:NMTOKEN" use="optional"/>
<xs:anyAttribute namespace="##any" processContents="lax"/>
</xs:complexType>
</xs:schema>
주목하십시오 ROW
요소는 동적으로 정의 된 속성 이름을 포함하므로 매우 느슨하게 입력됩니다.
그런 다음 파일 CDS_METADATA_FIELDS_include.xsd
여기에는 FIELDS
그리고 PARAMS
집단.
아래 주석에 언급 된 키워드가 포함 된 CDS XML 파일을 찾지 못했기 때문에 아직 완전히 완성되지 않았습니다.
<?xml version="1.0" encoding="UTF-8"?>
<!-- include portion of the METADATA FIELDS that CDS uses -->
<xs:schema xmlns:xs="http://www.w3.org/2001/XMLSchema">
<!-- FIELDS/fields -->
<xs:element name="FIELDS" type="fields"/>
<xs:complexType name="fields">
<xs:sequence>
<xs:element ref="FIELD" maxOccurs="unbounded"/>
</xs:sequence>
</xs:complexType>
<!-- FIELD/field -->
<xs:element name="FIELD" type="field"/>
<xs:complexType name="field">
<xs:sequence>
<xs:element ref="PARAM" minOccurs="0"/>
<!-- FIELDS is for nested datasets -->
<xs:element ref="FIELDS" minOccurs="0" maxOccurs="unbounded"/>
<!-- PARAMS is for nested datasets -->
<xs:element name="PARAMS" type="fieldParams" minOccurs="0" maxOccurs="unbounded"/>
</xs:sequence>
<!-- fieldname is used when the DBMS allows for non-identifier characters (like spaces) in fieldnames -->
<xs:attribute name="fieldname" use="optional" type="xs:string"/>
<xs:attribute name="fieldtype" use="required" type="FIELDTYPE"/>
<xs:attribute name="SUBTYPE" use="optional" type="subtype"/>
<!-- DECIMALS is for BCD -->
<xs:attribute name="DECIMALS" type="xs:positiveInteger" use="optional"/>
<!-- WIDTH is for Character, BCD, Bytes and Unicode -->
<xs:attribute name="WIDTH" type="xs:positiveInteger" use="optional"/>
<xs:attribute name="attrname" type="xs:Name" use="required"/>
<!-- need to incorporate these; probably as attributes as FIELD :
#define szUNIQUE_KEY "UNIQUE_KEY"
#define szSERVER_COL "SERVER_COL"
#define szCONSTRAINTS "CONSTRAINTS"
#define szDATASET_CONTEXT "DATASET_CONTEXT"
#define szDATASET_DELTA "DATASET_DELTA"
#define szREADONLY "READONLY"
#define szBDEDOMX "BDEDOMAIN_X"
#define szBDERECX "BDERECORD_X"
#define szBDEDEFX "BDEDEFAULT_X"
#define szAUTOINCVALUE "AUTOINCVALUE"
#define szELEMENTS "ELEMENTS"
#define szTABLENAME "TABLENAME"
#define szTYPENAME "TYPENAME"
#define szUPDATEMODE "UPDATEMODE"
#define szMD_SEMANTICS "MD_SEMANTICS"
#define szCALCULATED "CALCULATED"
#define szFIELDNAME "FIELDNAME"
-->
</xs:complexType>
<!-- fieldParams -->
<xs:complexType name="fieldParams">
<xs:attribute name="DEFAULT_ORDER" type="xs:positiveInteger"/>
<xs:attribute name="PRIMARY_KEY" type="xs:positiveInteger"/>
<xs:attribute name="LCID" type="xs:positiveInteger"/>
</xs:complexType>
<!-- FIELDTYPE -->
<xs:simpleType name="FIELDTYPE">
<xs:restriction base="xs:Name">
<!-- observed in real life CDS XML: -->
<xs:enumeration value="byte"/>
<!-- from Delphi XE file dsxml.h: -->
<xs:enumeration value="i1"/>
<xs:enumeration value="i2"/>
<xs:enumeration value="i4"/>
<xs:enumeration value="i8"/>
<xs:enumeration value="ui1"/>
<xs:enumeration value="ui2"/>
<xs:enumeration value="ui4"/>
<xs:enumeration value="ui8"/>
<xs:enumeration value="r4"/>
<xs:enumeration value="r8"/>
<xs:enumeration value="r10"/>
<!-- szXMLFloat/szXMLNumber <xs:enumeration value="r8"/> -->
<xs:enumeration value="fixed"/>
<xs:enumeration value="fixedFMT"/>
<xs:enumeration value="boolean"/>
<xs:enumeration value="date"/>
<xs:enumeration value="dateTime"/>
<xs:enumeration value="time"/>
<xs:enumeration value="array"/>
<xs:enumeration value="struct"/>
<xs:enumeration value="nested"/>
<xs:enumeration value="string.uni"/>
<xs:enumeration value="string"/>
<xs:enumeration value="bin.hex"/>
<xs:enumeration value="IntArray"/>
<xs:enumeration value="UIntArray"/>
<xs:enumeration value="SQLdateTime"/>
<xs:enumeration value="SQLdateTimeOffset"/>
</xs:restriction>
</xs:simpleType>
<!-- subtype -->
<xs:simpleType name="subtype">
<xs:restriction base="xs:Name">
<xs:enumeration value="Text"/>
<xs:enumeration value="Binary"/>
<xs:enumeration value="Formatted"/>
<xs:enumeration value="Ole"/>
<xs:enumeration value="Graphics"/>
<xs:enumeration value="dBASEOle"/>
<xs:enumeration value="TypedBinary"/>
<xs:enumeration value="Money"/>
<xs:enumeration value="Autoinc"/>
<xs:enumeration value="AccessOle"/>
<xs:enumeration value="HMemo"/>
<xs:enumeration value="HBinary"/>
<xs:enumeration value="ADTNestedTable"/>
<xs:enumeration value="FixedChar"/>
<xs:enumeration value="Reference"/>
<xs:enumeration value="BFile"/>
<xs:enumeration value="ADTDate"/>
<xs:enumeration value="Guid"/>
<xs:enumeration value="WideText"/>
<!-- Binary is required for fieldtype="bin.hex" -->
<!-- FixedChar is required for fieldtype="string" when the field is CHAR (but not NCHAR) -->
<!-- Guid is required for fieldtype="string" when the field is GUID -->
<!-- Text is required for fieldtype="bin.hex" when the underlying field is TEXT or NTEXT (memo?) -->
<!-- Money is required for fieldtype="float" when the underlying field is CURRENCY -->
</xs:restriction>
</xs:simpleType>
<!-- PARAM/param -->
<xs:element name="PARAM" type="param"/>
<xs:complexType name="param">
<xs:attribute name="Name" type="paramName" use="required"/>
<!-- two forms of Value are possible; xs:Name is for ORIGIN; xs:postiveInteger is for PROVFLAGS (in combination with Type)
<xs:attribute name="Value" type="xs:Name" use="required"/>
<xs:attribute name="Value" type="xs:postiveInteger" use="required"/>
-->
<xs:attribute name="Value" type="xs:string" use="required"/>
<xs:attribute name="Type" type="FIELDTYPE" use="optional"/>
<xs:attribute name="Roundtrip" type="xs:Name" use="required" fixed="True"/>
</xs:complexType>
<!-- paramName -->
<xs:simpleType name="paramName">
<xs:restriction base="xs:Name">
<xs:enumeration value="ORIGIN"/>
<xs:enumeration value="PROVFLAGS"/>
</xs:restriction>
</xs:simpleType>
</xs:schema>
문안 인사.
다른 팁
글쎄, 나도 찾을 수 없어서 이 웹 사이트 ClientDataset XML 파일을 기반 으로이 스키마를 생성합니다.
<?xml version="1.0" encoding="UTF-8" ?>
<xs:schema xmlns:xs="http://www.w3.org/2001/XMLSchema">
<xs:element name="DATAPACKET">
<xs:complexType>
<xs:sequence>
<xs:element ref="METADATA" />
<xs:element ref="ROWDATA" />
</xs:sequence>
<xs:attribute name="Version" type="xs:NMTOKEN" use="required" />
</xs:complexType>
</xs:element>
<xs:element name="FIELD">
<xs:complexType>
<xs:attribute name="fieldtype" type="xs:NMTOKEN" use="required" />
<xs:attribute name="WIDTH" type="xs:NMTOKEN" use="optional" />
<xs:attribute name="attrname" type="xs:NMTOKEN" use="required" />
<xs:attribute name="required" type="xs:NMTOKEN" use="optional" />
</xs:complexType>
</xs:element>
<xs:element name="FIELDS">
<xs:complexType>
<xs:sequence>
<xs:element ref="FIELD" maxOccurs="unbounded" />
</xs:sequence>
</xs:complexType>
</xs:element>
<xs:element name="METADATA">
<xs:complexType>
<xs:sequence>
<xs:element ref="FIELDS" />
<xs:element ref="PARAMS" />
</xs:sequence>
</xs:complexType>
</xs:element>
<xs:element name="PARAMS">
<xs:complexType>
<xs:attribute name="CHANGE_LOG" type="xs:string" use="required" />
</xs:complexType>
</xs:element>
<xs:element name="ROW">
<xs:complexType>
</xs:complexType>
</xs:element>
<xs:element name="ROWDATA">
<xs:complexType>
<xs:sequence>
<xs:element ref="ROW" maxOccurs="unbounded" />
</xs:sequence>
</xs:complexType>
</xs:element>
</xs:schema>
나는 델파이의 총 초보자이지만 XML 형식으로 tclientDataset을 구문 분석해야했습니다. 또한 필드 유형에 가능한 모든 값 목록이 필요했습니다. 델파이 소스를 파고이 목록을 생각해 냈습니다.
스키마에 필드 유형을 포함하려면 여기에 나열된 모든 유형을 포함시켜야합니다.
<xs:enumeration value="string" />
<xs:enumeration value="id" />
<xs:enumeration value="idref" />
<xs:enumeration value="idrefs" />
<xs:enumeration value="entity" />
<xs:enumeration value="entities" />
<xs:enumeration value="nmtoken" />
<xs:enumeration value="nmtokens" />
<xs:enumeration value="number" />
<xs:enumeration value="int" />
<xs:enumeration value="enumeration" />
<xs:enumeration value="notation" />
<xs:enumeration value="fixed" />
<xs:enumeration value="boolean" />
<xs:enumeration value="dateTime" />
<xs:enumeration value="dateTime.tz" />
<xs:enumeration value="date" />
<xs:enumeration value="time" />
<xs:enumeration value="time.tz" />
<xs:enumeration value="i1" />
<xs:enumeration value="byte" />
<xs:enumeration value="i2" />
<xs:enumeration value="i4" />
<xs:enumeration value="i8" />
<xs:enumeration value="ui1" />
<xs:enumeration value="ui2" />
<xs:enumeration value="ui4" />
<xs:enumeration value="ui8" />
<xs:enumeration value="r4" />
<xs:enumeration value="r8" />
<xs:enumeration value="float" />
<xs:enumeration value="char" />
<xs:enumeration value="uuid" />
<xs:enumeration value="bin.hex" />
<xs:enumeration value="bin.base64" />
이 스키마를 정의하는 좋은 일을 해주셔서 감사합니다. 이것은 많은 도움이됩니다.