98 lines
2.9 KiB
C++
98 lines
2.9 KiB
C++
#ifndef _SVC_METADATA_H
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#define _SVC_METADATA_H
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// see helper class in common/metadatasvc.h to implement this
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#include <api/service/services.h>
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#include <bfc/dispatch.h>
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#include <bfc/string/string.h>
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#include <api/db/metatags.h>
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class NOVTABLE svc_metaData : public Dispatchable {
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public:
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static FOURCC getServiceType() { return WaSvc::METADATA; }
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int enumMetaData(int n, char *mdName, int mdNameMaxLength, int *mdType, BOOL *mdIndexed, BOOL *mdMaintainUniques);
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int hasMetaData(const char *name, int type);
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int allowOperation(GUID whom, const char *playstring, int op, char *field, void *data, int data_len);
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GUID getGUID();
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const char *getMetaTableName();
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enum {
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HASMETADATA=10,
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ENUMMETADATA=20,
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ALLOWOPERATION=30,
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GETGUID=40,
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GETMETANAME=50,
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};
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};
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inline int svc_metaData::hasMetaData(const char *name, int type) {
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return _call(HASMETADATA, 0, name, type);
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}
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inline int svc_metaData::enumMetaData(int n, char *mdName, int mdNameMaxLength, int *mdType, BOOL *mdIndexed, BOOL *mdMaintainUniques) {
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return _call(ENUMMETADATA, 0, n, mdName, mdNameMaxLength, mdType, mdIndexed, mdMaintainUniques);
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}
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inline int svc_metaData::allowOperation(GUID whom, const char *playstring, int op, char *field, void *data, int data_len) {
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return _call(ALLOWOPERATION, 0, whom, playstring, op, field, data, data_len);
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}
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inline GUID svc_metaData::getGUID() {
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return _call(GETGUID, INVALID_GUID);
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}
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inline const char *svc_metaData::getMetaTableName() {
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return _call(GETMETANAME, (const char *)NULL);
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}
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// see helper class in common/metadatasvc.h to implement this
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class NOVTABLE svc_metaDataI : public svc_metaData {
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public:
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virtual int enumMetaData(int n, char *mdName, int mdNameMaxLength, int *mdType, BOOL *mdIndexed, BOOL *mdMaintainUniques)=0;
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virtual int hasMetaData(const char *name, int type)=0;
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virtual int allowOperation(GUID whom, const char *playstring, int op, char *field, void *data, int data_len)=0;
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virtual GUID getGUID()=0;
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virtual const char *getMetaTableName()=0;
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protected:
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RECVS_DISPATCH;
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};
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#include <api/service/servicei.h>
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// if you want to use class MetaDataSvc (instead of deriving from
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// svc_metaDataI yourself) use class MetaDataSvcFactory in common/metadatasvc.h
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template <class T>
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class MetaDataSvcCreator : public waServiceFactoryTSingle<svc_metaData, T> {};
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#include <api/service/svc_enum.h>
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class MetaDataSvcEnum : public SvcEnumT<svc_metaData> {
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public:
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MetaDataSvcEnum(const char *metadata=NULL, int mdtype=MDT_NONE) : md(metadata), type(mdtype) {}
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protected:
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virtual int testService(svc_metaData *svc) {
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if (md.isempty() || type == MDT_NONE) return TRUE;
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return svc->hasMetaData(md, type);
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}
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private:
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String md;
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int type;
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};
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class MetaDataSvcEnumGuid : public SvcEnumT<svc_metaData> {
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public:
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MetaDataSvcEnumGuid(GUID g) : guid(g) {}
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protected:
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virtual int testService(svc_metaData *svc) {
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return (svc->getGUID() == guid);
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}
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private:
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GUID guid;
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};
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#endif
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