117 lines
3.1 KiB
C++
117 lines
3.1 KiB
C++
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#include "main.h"
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#include "Metadata.h"
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#include "api.h"
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#include <api/service/waservicefactory.h>
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/**
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** Author: Ben Allison
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** original date: April 10, 2006
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*/
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Metadata::~Metadata()
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{
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for ( wchar_t *l_key : keys )
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free( l_key );
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keys.clear();
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}
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int Metadata::GetExtendedFileInfo(const wchar_t *filename, const wchar_t *tag, wchar_t *data, size_t dataLength)
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{
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// benski> old way CUT: return in_get_extended_fileinfoW(filename, tag, data, dataLength);
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/*
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int result = 0; // failure
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svc_metaTag *metaTag = GetMetaTagObject(filename, METATAG_ALL, 0, 0);
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if (metaTag)
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{
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if (metaTag->metaTag_open(filename) == METATAG_SUCCESS)
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metaTag->getMetaData(tag, reinterpret_cast<__int8 *>(data), dataLength*sizeof(wchar_t), METATYPE_STRING);
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metaTag->metaTag_close();
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}
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else // TODO: we could get rid of this as soon as we make extendedMetaTag (see TODO at end of file)
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*/
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return in_get_extended_fileinfoW(filename, tag, data, dataLength);
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//return !!(result == METATAG_SUCCESS);
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}
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int Metadata::SetExtendedFileInfo(const wchar_t *filename, const wchar_t *tag, const wchar_t *data)
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{
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return in_set_extended_fileinfoW(filename, tag, const_cast<wchar_t *>(data));
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}
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int Metadata::WriteExtendedFileInfo(const wchar_t *filename)
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{
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return in_write_extended_fileinfo();
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}
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inline static bool InList(const GUID guid, GUID *exclude, int numExcludes)
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{
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if (!exclude)
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return false;
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while (numExcludes--)
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{
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if (guid == exclude[numExcludes])
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return true;
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}
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return false;
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}
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svc_metaTag *Metadata::GetMetaTagObject(const wchar_t *filename, int flags, GUID *exclude, int numExcludes)
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{
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int i = 0;
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waServiceFactory *sf = 0;
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do
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{
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sf = WASABI_API_SVC->service_enumService(WaSvc::METATAG, i++);
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if (sf)
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{
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svc_metaTag *metaTag = static_cast<svc_metaTag *>(sf->getInterface());
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if (metaTag
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&& !InList(metaTag->getGUID(), exclude, numExcludes)
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&& flags & metaTag->getFlags()
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&& metaTag->isOurFile(filename))
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return metaTag;
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sf->releaseInterface(metaTag);
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}
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}
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while (sf);
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return 0;
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}
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svc_metaTag *Metadata::GetMetaTagObjectByGUID(const GUID metaTagGuid)
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{
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waServiceFactory *sf = WASABI_API_SVC->service_getServiceByGuid(metaTagGuid);
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if (sf && sf->getServiceType() == WaSvc::METATAG) // just to be safe
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return static_cast<svc_metaTag *>(sf->getInterface());
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return NULL;
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}
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uint32_t Metadata::GenerateKey(const wchar_t *field)
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{
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Nullsoft::Utility::AutoLock keyLock(keyGuard);
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// TODO this is hella slow but it'll get the ball rolling on implementing this
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for (size_t i=0;i!=keys.size();i++)
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{
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if (!_wcsicmp(field, keys[i]))
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return (uint32_t)i;
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}
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keys.push_back(_wcsdup(field));
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return (uint32_t)keys.size()-1;
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}
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// TODO: extendedMetaTag, derived from svc_metaTag, that uses getExtendedFileInfo
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#define CBCLASS Metadata
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START_DISPATCH;
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CB(API_METADATA_GETEXTENDEDFILEINFO, GetExtendedFileInfo)
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CB(API_METADATA_SETEXTENDEDFILEINFO, SetExtendedFileInfo)
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CB(API_METADATA_WRITEEXTENDEDFILEINFO, WriteExtendedFileInfo)
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CB(API_METADATA_GETMETATAGOBJECT, GetMetaTagObject)
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CB(API_METADATA_GETMETATAGOBJECTBYGUID, GetMetaTagObjectByGUID)
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CB(API_METADATA_GENERATEKEY, GenerateKey)
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END_DISPATCH;
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#undef CBCLASS
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