571 lines
18 KiB
C++
571 lines
18 KiB
C++
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// a class to maintain the PICS data. It reads and write it to the metabase and
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// reads the file and all that. It also serves as a wrapper for the PICS parsing
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// objects that have already been written elsewhere
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// Created 4/18/97 by BoydM
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#include "stdafx.h"
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#include <iadmw.h>
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#include "cnfgprts.h"
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#include "parserat.h"
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#include "RatData.h"
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#include <iiscnfg.h>
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#include <wrapmb.h>
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#include "metatool.h"
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#include <isvctrl.h>
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#include "mdobjs.h"
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#include <winsock2.h>
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// Here is the plan. First, we scan the local directory - looking for all
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// the .rat files, load them and parse them
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//----------------------------------------------------------------
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CRatingsData::CRatingsData(IMSAdminBase* pMB):
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iRat(0),
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m_fEnabled( FALSE ),
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m_start_minute(0),
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m_start_hour(0),
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m_start_day(0),
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m_start_month(0),
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m_start_year(0),
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m_expire_minute(0),
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m_expire_hour(0),
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m_expire_day(0),
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m_expire_month(0),
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m_expire_year(0),
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m_pMB( pMB )
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{
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}
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//----------------------------------------------------------------
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CRatingsData::~CRatingsData()
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{
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// delete the rating systems
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DWORD nRats = (DWORD)rgbRats.GetSize();
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for ( DWORD iRat = 0; iRat < nRats; iRat++ )
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delete rgbRats[iRat];
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}
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//----------------------------------------------------------------
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BOOL CRatingsData::FCreateURL( CString &sz )
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{
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CHAR nameBuf[MAX_PATH+1];
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// start it off with the mandatory http header
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sz.LoadString( IDS_HTTP_HEADER );
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// get the host name of the machine
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if ( gethostname( nameBuf, sizeof(nameBuf)) )
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return FALSE;
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sz += nameBuf;
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// next, we need to add on the virtual path supplied by the metabase location
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// but that means starting by finding the root portion of the string
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CString szVir = m_szMeta;
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CString szRoot = _T("/Root");
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szVir = szVir.Right( szVir.GetLength() - szVir.Find(szRoot) );
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szVir = szVir.Right( szVir.GetLength() - szRoot.GetLength() );
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// concatenate and done
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sz += szVir;
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return TRUE;
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}
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//----------------------------------------------------------------
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// generate the label and save it into the metabase
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void CRatingsData::SaveTheLable()
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{
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BOOL fBuiltLabel = FALSE;
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BOOL f;
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// prepare the metabase wrapper
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CWrapMetaBase mbWrap;
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f = mbWrap.FInit(m_pMB);
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if ( !f ) return;
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// if the rating is NOT enabled, delete any existing label and return
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if ( !m_fEnabled )
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{
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// attempt to open the object we want to store into
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if ( mbWrap.Open( m_szMeta, METADATA_PERMISSION_WRITE ) )
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{
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// delete any existing PICS metaobject
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// f = mbWrap.DeleteData( _T(""), MD_HTTP_PICS, IIS_MD_UT_FILE, MULTISZ_METADATA );
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f = mbWrap.DeleteData( _T(""), MD_HTTP_PICS, MULTISZ_METADATA );
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// close the metabase
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mbWrap.Close();
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}
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//leave
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return;
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}
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else
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{
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CString szLabel;
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// first, we add the actual HTTP header to the header
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// szLabel = _T("Protocol: {PICS-1.0 {headers PICS-Label}}\nPICS-Label: ");
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szLabel = _T("PICS-Label: ");
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// create the URL string for this label
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CString szURL;
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FCreateURL( szURL );
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// create the modified string for this label
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CString szMod;
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CreateDateSz( szMod, m_start_day, m_start_month, m_start_year, m_start_hour, m_start_minute );
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// create the exipres string for this label
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CString szExpire;
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CreateDateSz( szExpire, m_expire_day, m_expire_month, m_expire_year, m_expire_hour, m_expire_minute );
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// tell each ratings system object to add its label to the string
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DWORD nRatingSystems = (DWORD)rgbRats.GetSize();
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for ( DWORD iRat = 0; iRat < nRatingSystems; iRat++ )
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{
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// build the label string
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rgbRats[iRat]->OutputLabels( szLabel, szURL, m_szEmail, szMod, szExpire );
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}
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// the data gets saved as a multisz, so prep it up
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PTCHAR psz = szLabel.GetBuffer( szLabel.GetLength()+4 );
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DWORD dw = szLabel.GetLength();
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// add the second null
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psz[dw + 1] = 0;
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psz[dw + 2] = 0;
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// save the data
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// save the PICS header string
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// f = SetMetaData(&mbWrap, szPartial, MD_HTTP_PICS, IIS_MD_UT_FILE,
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// psz, szLabel.GetLength()+2 );
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// f = SetMetaMultiSz( &mbWrap, m_szMeta, MD_HTTP_PICS, IIS_MD_UT_FILE,
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// psz, dw+2 );
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f = SetMetaMultiSz(m_pMB, m_szServer, m_szMeta, _T(""), MD_HTTP_PICS,
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IIS_MD_UT_FILE, psz, dw+2, TRUE );
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// release the buffer
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szLabel.ReleaseBuffer();
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// these changes are permanent - so write them out
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if ( f )
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mbWrap.Save();
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}
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}
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//----------------------------------------------------------------
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BOOL CRatingsData::FInit( CString szServer, CString szMeta )
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{
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CWinApp* pApp = AfxGetApp();
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CString sz;
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BOOL fGotSomething = FALSE;
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BOOL fFoundAFile = FALSE;
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// store the target metabase location
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m_szServer = szServer;
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m_szMeta = szMeta;
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// build the search string
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CString szSearch;
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// the ratings files are in the system32 directory. First, get that
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// directory from the system. The first call is to get the size of the buffer.
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// add one for the terminating NULL
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DWORD cchSysDir = GetSystemDirectory( NULL, 0 ) + 1;
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// if we didn't get one - fail
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if ( cchSysDir == 1 ) return FALSE;
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// Now get it for real
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cchSysDir = GetSystemDirectory( szSearch.GetBuffer(cchSysDir), cchSysDir );
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szSearch.ReleaseBuffer();
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// if we didn't get one - fail
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if ( !cchSysDir ) return FALSE;
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// finish making it a proper search string
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//
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// RONALDM -- add .rat to only find rat files.
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//
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szSearch += _T("\\*.rat");
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// scan the local files looking for rat files. For each we find, load
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// them into the list of rat files
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BOOL fKeepGoing = TRUE;
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CFileFind finder;
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fFoundAFile = finder.FindFile( szSearch );
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while ( fFoundAFile )
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{
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// get rid of the directories right away
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if ( finder.MatchesMask( FILE_ATTRIBUTE_DIRECTORY ) )
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{
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// get the next file
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fFoundAFile = finder.FindNextFile();
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continue;
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}
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// get and normalize the path
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sz = finder.GetFilePath();
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sz.MakeLower();
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// if it is a rat file, go for it
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//
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// RONALDM -- changed the mask so that this is all that's necc.
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//
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//if ( sz.Find(_T(".rat")) > 0 )
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{
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// set the found flag based on if we can load it
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fGotSomething |= FLoadRatingsFile( sz );
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}
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// get the next file
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if ( !fKeepGoing )
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{
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fFoundAFile = FALSE;
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}
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else
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{
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fKeepGoing = finder.FindNextFile();
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}
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}
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// if we loaded a file, check what is in the metabase and load the values
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if ( fGotSomething )
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{
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LoadMetabaseValues();
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}
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else
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{
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// if we didn't find any rat files, tell the user and return
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AfxMessageBox( IDS_RAT_FINDFILE_ERROR );
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}
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// return the answer
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return fGotSomething;
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}
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//----------------------------------------------------------------
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// load a ratings file
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BOOL CRatingsData::FLoadRatingsFile( CString szFilePath )
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{
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HANDLE hFile;
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HANDLE hFileMapping;
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VOID * pMem;
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BOOL fParsed = FALSE;
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hFile = CreateFile( szFilePath,
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GENERIC_READ,
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0,
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NULL,
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OPEN_EXISTING,
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FILE_ATTRIBUTE_NORMAL,
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NULL );
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if ( hFile == INVALID_HANDLE_VALUE )
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{
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return FALSE;
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}
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hFileMapping = CreateFileMapping( hFile,
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NULL,
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PAGE_READONLY,
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0,
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0,
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NULL );
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if ( hFileMapping == NULL )
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{
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CloseHandle( hFile );
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return FALSE;
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}
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pMem = MapViewOfFile( hFileMapping,
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FILE_MAP_READ,
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0,
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0,
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0 );
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if ( pMem == NULL )
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{
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CloseHandle( hFileMapping );
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CloseHandle( hFile );
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return FALSE;
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}
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// parse this and load it in and all that stuff
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fParsed = FParseRatingsFile( (LPSTR) pMem, szFilePath );
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UnmapViewOfFile( pMem );
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CloseHandle( hFileMapping );
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CloseHandle( hFile );
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// return the answer
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return fParsed;
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}
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//----------------------------------------------------------------
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BOOL CRatingsData::FParseRatingsFile( LPSTR pData, CString szPath )
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{
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HRESULT hres;
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BOOL fSuccess = FALSE;
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// first, try and parse the data
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PicsRatingSystem* pRating = new PicsRatingSystem();
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// parse the data
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hres = pRating->Parse( pData );
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fSuccess = (hres == 0);
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// if it didn't parse, leave now
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if ( !fSuccess )
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{
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delete pRating;
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return FALSE;
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}
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// add the rat to the list of parsed rats
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rgbRats.Add( pRating );
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return fSuccess;
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}
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//----------------------------------------------------------------
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// create a date string
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void CRatingsData::CreateDateSz( CString &sz, WORD day, WORD month, WORD year, WORD hour, WORD minute )
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{
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// get the local time zone
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TIME_ZONE_INFORMATION tZone;
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INT hrZone, mnZone;
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DWORD dwDaylight = GetTimeZoneInformation( &tZone );
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// Fix for 339525: Boyd, this could be negative and must be signed type!
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LONG tBias;
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// First, calculate the correct bias - depending whether or not
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// we are in daylight savings time.
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if ( dwDaylight == TIME_ZONE_ID_DAYLIGHT )
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{
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tBias = tZone.Bias + tZone.DaylightBias;
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}
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else
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{
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tBias = tZone.Bias + tZone.StandardBias;
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}
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// calculate the hours and minutes offset for the time-zone
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hrZone = tBias / 60;
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mnZone = tBias % 60;
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// need to handle time zones east of GMT
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if ( hrZone < 0 )
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{
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hrZone *= (-1);
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mnZone *= (-1);
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// make the string
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sz.Format( _T("%04d.%02d.%02dT%02d:%02d+%02d%02d"), year, month, day, hour, minute, hrZone, mnZone );
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}
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else
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{
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// make the string
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sz.Format( _T("%04d.%02d.%02dT%02d:%02d-%02d%02d"), year, month, day, hour, minute, hrZone, mnZone );
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}
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}
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//----------------------------------------------------------------
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// read a date string
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void CRatingsData::ReadDateSz( CString sz, WORD* pDay, WORD* pMonth, WORD* pYear, WORD* pHour, WORD* pMinute )
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{
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CString szNum;
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WORD i;
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DWORD dw;
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// year
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szNum = sz.Left( sz.Find(_T('.')) );
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i = (WORD)swscanf( szNum, _T("%d"), &dw );
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*pYear = (WORD)dw;
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sz = sz.Right( sz.GetLength() - szNum.GetLength() - 1 );
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// month
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szNum = sz.Left( sz.Find(_T('.')) );
|
||
|
|
i = (WORD)swscanf( szNum, _T("%d"), &dw );
|
||
|
|
*pMonth = (WORD)dw;
|
||
|
|
sz = sz.Right( sz.GetLength() - szNum.GetLength() - 1 );
|
||
|
|
|
||
|
|
// day
|
||
|
|
szNum = sz.Left( sz.Find(_T('T')) );
|
||
|
|
i = (WORD)swscanf( szNum, _T("%d"), &dw );
|
||
|
|
*pDay = (WORD)dw;
|
||
|
|
sz = sz.Right( sz.GetLength() - szNum.GetLength() - 1 );
|
||
|
|
|
||
|
|
// hour
|
||
|
|
szNum = sz.Left( sz.Find(_T(':')) );
|
||
|
|
i = (WORD)swscanf( szNum, _T("%d"), &dw );
|
||
|
|
*pHour = (WORD)dw;
|
||
|
|
sz = sz.Right( sz.GetLength() - szNum.GetLength() - 1 );
|
||
|
|
|
||
|
|
// minute
|
||
|
|
szNum = sz.Left( 2 );
|
||
|
|
i = (WORD)swscanf( szNum, _T("%d"), &dw );
|
||
|
|
*pMinute = (WORD)dw;
|
||
|
|
}
|
||
|
|
|
||
|
|
//----------------------------------------------------------------
|
||
|
|
// for simplicity's sake (and for the sake of gettings done) only check the
|
||
|
|
// metabase values against the first loaded ratings system. Everything I've
|
||
|
|
// been hearing is that there will be only one.
|
||
|
|
void CRatingsData::LoadMetabaseValues()
|
||
|
|
{
|
||
|
|
CString szRating;
|
||
|
|
BOOL f;
|
||
|
|
|
||
|
|
// prepare the metabase wrapper
|
||
|
|
CWrapMetaBase mbWrap;
|
||
|
|
f = mbWrap.FInit(m_pMB);
|
||
|
|
if ( !f ) return;
|
||
|
|
|
||
|
|
// if we succeded in building the lables, save it in the metabase
|
||
|
|
// attempt to open the object we want to store into
|
||
|
|
CString szMeta;
|
||
|
|
|
||
|
|
// arg arg arg. For things like directories, the metapath may not exist
|
||
|
|
// seperate the partial path from the base - the root is always SZ_ROOT
|
||
|
|
szMeta = SZ_W3_ROOT;
|
||
|
|
m_szMetaPartial = m_szMeta.Right(m_szMeta.GetLength() - szMeta.GetLength() );
|
||
|
|
|
||
|
|
// save the data
|
||
|
|
if ( mbWrap.Open( szMeta, METADATA_PERMISSION_READ ) )
|
||
|
|
{
|
||
|
|
DWORD cbData;
|
||
|
|
// attempt to read the data from the metabase
|
||
|
|
WCHAR* pData= (WCHAR*)mbWrap.GetData( m_szMetaPartial, MD_HTTP_PICS, IIS_MD_UT_FILE, MULTISZ_METADATA,
|
||
|
|
&cbData, METADATA_INHERIT | METADATA_PARTIAL_PATH );
|
||
|
|
|
||
|
|
// copy the string into place
|
||
|
|
if ( pData )
|
||
|
|
szRating = pData;
|
||
|
|
// free the buffer
|
||
|
|
mbWrap.FreeWrapData( pData );
|
||
|
|
// close the metabase
|
||
|
|
mbWrap.Close();
|
||
|
|
|
||
|
|
// if we got the string, parse it and all that jazz
|
||
|
|
if ( !szRating.IsEmpty() )
|
||
|
|
ParseMetaRating( szRating );
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
//----------------------------------------------------------------
|
||
|
|
// NOTE: this is a pretty fragile reading of the PICS file. If things are
|
||
|
|
// not in the order that this file would write them back out in, it will fail.
|
||
|
|
// however, This will work on PICS ratings that this module has written out,
|
||
|
|
// which should pretty much be all of them
|
||
|
|
// it also assumes that one-letter abbreviations are used just about everywhere
|
||
|
|
#define RAT_PERSON_DETECTOR _T("by \"")
|
||
|
|
#define RAT_LABEL_DETECTOR _T("l ")
|
||
|
|
#define RAT_ON_DETECTOR _T("on \"")
|
||
|
|
#define RAT_EXPIRE_DETECTOR _T("exp \"")
|
||
|
|
#define RAT_RAT_DETECTOR _T("r (")
|
||
|
|
void CRatingsData::ParseMetaRating( CString szRating )
|
||
|
|
{
|
||
|
|
CString szScratch;
|
||
|
|
|
||
|
|
// if we got here, then we know that the rating system is enabled
|
||
|
|
m_fEnabled = TRUE;
|
||
|
|
|
||
|
|
// operate on a copy of the data
|
||
|
|
CString szRat;
|
||
|
|
|
||
|
|
// skip past the http headerpart
|
||
|
|
szRat = szRating.Right( szRating.GetLength() - szRating.Find(_T("\"http://")) - 1 );
|
||
|
|
szRat = szRat.Right( szRat.GetLength() - szRat.Find(_T('\"')) - 1 );
|
||
|
|
szRat.TrimLeft();
|
||
|
|
|
||
|
|
// the next bit should be the label indicator. Skip over it
|
||
|
|
if ( szRat.Left(wcslen(RAT_LABEL_DETECTOR)) == RAT_LABEL_DETECTOR )
|
||
|
|
szRat = szRat.Right( szRat.GetLength() - wcslen(RAT_LABEL_DETECTOR) );
|
||
|
|
|
||
|
|
// we should now be at the author part. If it is there, load it in
|
||
|
|
if ( szRat.Left(wcslen(RAT_PERSON_DETECTOR)) == RAT_PERSON_DETECTOR )
|
||
|
|
{
|
||
|
|
szRat = szRat.Right( szRat.GetLength() - wcslen(RAT_PERSON_DETECTOR) );
|
||
|
|
m_szEmail = szRat.Left( szRat.Find(_T('\"')) );
|
||
|
|
szRat = szRat.Right( szRat.GetLength() - m_szEmail.GetLength() - 1 );
|
||
|
|
szRat.TrimLeft();
|
||
|
|
}
|
||
|
|
|
||
|
|
// next should be the modification date
|
||
|
|
// we should now be at the author part. If we are, load it in
|
||
|
|
if ( szRat.Left(wcslen(RAT_ON_DETECTOR)) == RAT_ON_DETECTOR )
|
||
|
|
{
|
||
|
|
szRat = szRat.Right( szRat.GetLength() - wcslen(RAT_ON_DETECTOR) );
|
||
|
|
szScratch = szRat.Left( szRat.Find(_T('\"')) );
|
||
|
|
szRat = szRat.Right( szRat.GetLength() - szScratch.GetLength() - 1 );
|
||
|
|
szRat.TrimLeft();
|
||
|
|
ReadDateSz( szScratch, &m_start_day, &m_start_month, &m_start_year,
|
||
|
|
&m_start_hour, &m_start_minute );
|
||
|
|
}
|
||
|
|
|
||
|
|
// next should be the expiration date
|
||
|
|
// we should now be at the author part. If we are, load it in
|
||
|
|
if ( szRat.Left(wcslen(RAT_EXPIRE_DETECTOR)) == RAT_EXPIRE_DETECTOR )
|
||
|
|
{
|
||
|
|
szRat = szRat.Right( szRat.GetLength() - wcslen(RAT_EXPIRE_DETECTOR) );
|
||
|
|
szScratch = szRat.Left( szRat.Find(_T('\"')) );
|
||
|
|
szRat = szRat.Right( szRat.GetLength() - szScratch.GetLength() - 1 );
|
||
|
|
szRat.TrimLeft();
|
||
|
|
ReadDateSz( szScratch, &m_expire_day, &m_expire_month, &m_expire_year,
|
||
|
|
&m_expire_hour, &m_expire_minute );
|
||
|
|
}
|
||
|
|
|
||
|
|
// we should now be at the actual ratings part. If we are, load it in as one string first
|
||
|
|
if ( szRat.Left(wcslen(RAT_RAT_DETECTOR)) == RAT_RAT_DETECTOR )
|
||
|
|
{
|
||
|
|
szRat = szRat.Right( szRat.GetLength() - wcslen(RAT_RAT_DETECTOR) );
|
||
|
|
szScratch = szRat.Left( szRat.Find(_T(')')) );
|
||
|
|
szRat = szRat.Right( szRat.GetLength() - szScratch.GetLength() - 1 );
|
||
|
|
szRat.TrimLeft();
|
||
|
|
|
||
|
|
// loop through all the value pairs in the ratings string
|
||
|
|
while ( szScratch.GetLength() )
|
||
|
|
{
|
||
|
|
// this part goes <ch> sp <ch> so that we know we can use chars 0 and 2
|
||
|
|
ParseMetaPair( szScratch[0], szScratch[2] );
|
||
|
|
|
||
|
|
// cut down the string
|
||
|
|
szScratch = szScratch.Right( szScratch.GetLength() - 3 );
|
||
|
|
szScratch.TrimLeft();
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
}
|
||
|
|
|
||
|
|
//----------------------------------------------------------------
|
||
|
|
void CRatingsData::ParseMetaPair( TCHAR chCat, TCHAR chVal )
|
||
|
|
{
|
||
|
|
// check validity of the value character
|
||
|
|
if ( (chVal < _T('0')) || (chVal > _T('9')) )
|
||
|
|
return;
|
||
|
|
|
||
|
|
// convert the value into a number - the quick way
|
||
|
|
WORD value = chVal - _T('0');
|
||
|
|
|
||
|
|
// try all the categories
|
||
|
|
DWORD nCat = rgbRats[0]->arrpPC.Length();
|
||
|
|
for ( DWORD iCat = 0; iCat < nCat; iCat++ )
|
||
|
|
{
|
||
|
|
// stop at the first successful setting
|
||
|
|
if ( rgbRats[0]->arrpPC[iCat]->FSetValuePair((CHAR)chCat, (CHAR)value) )
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
}
|