164 lines
5.2 KiB
C++
164 lines
5.2 KiB
C++
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//+---------------------------------------------------------------------------
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//
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// Copyright (C) 1996, Microsoft Corporation.
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//
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// File: wqlocale.cxx
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//
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// Contents: WEB Query locale parsers
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//
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// History: 96/May/2 DwightKr Created
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//
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//----------------------------------------------------------------------------
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#include <pch.cxx>
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#pragma hdrstop
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//+---------------------------------------------------------------------------
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//
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// Function: GetBrowserLCID - public
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//
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// Synposis: Determines the locale from the browser's HTTP_ACCEPT_LANGUAGE
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// Note that the browser may not send a language, in which case
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// we will default to the web servers default language.
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//
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// Arguments: [webServer] the web service which can return the environment
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// variable HTTP_ACCEPT_LANGUAGE.
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// [wcsHttpLanguage] - buffer to accept the language
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//
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// History: 20-Jan-96 DwightKr Created
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// 11-Jun-97 KyleP Initialize ccHttpLanguage!
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//
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//----------------------------------------------------------------------------
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LCID GetBrowserLCID( CWebServer & webServer, XArray<WCHAR> & wcsHttpLanguage )
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{
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//
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// Don't look it up twice!
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//
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if ( webServer.IsLCIDValid() )
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{
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wcsHttpLanguage.Init( webServer.LocaleSize() );
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RtlCopyMemory( wcsHttpLanguage.GetPointer(),
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webServer.GetLocale(),
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webServer.LocaleSize() * sizeof(WCHAR) );
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return webServer.GetLCID();
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}
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//
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// Try the hard way...
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//
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CHAR aszHttpLanguage[512];
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ULONG ccHttpLanguage = sizeof(aszHttpLanguage);
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if ( !webServer.GetCGIVariable( "HTTP_ACCEPT_LANGUAGE",
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aszHttpLanguage,
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&ccHttpLanguage) )
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{
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ciGibDebugOut(( DEB_ITRACE,
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"GetBrowserLCID: HTTP_ACCEPT_LANGAUGE was not set in the environment; using lcid=0x%x\n",
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GetSystemDefaultLCID() ));
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LCID locale = GetSystemDefaultLCID();
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WCHAR wcsLocale[100];
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GetStringFromLCID( locale, wcsLocale );
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ULONG cwcLocale = wcslen(wcsLocale) + 1;
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wcsHttpLanguage.Init( cwcLocale );
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RtlCopyMemory( wcsHttpLanguage.GetPointer(),
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wcsLocale,
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cwcLocale*sizeof(WCHAR) );
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webServer.SetLCID( locale, wcsLocale, cwcLocale );
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return locale;
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}
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//
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// Use the system's ANSI code page here since we're trying to figure
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// out which code page to use. The default code page is likely
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// correct since all of the locale names are simple strings containing
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// only characters A-Z.
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//
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unsigned cwcLocale = MultiByteToXArrayWideChar( (BYTE const *) aszHttpLanguage,
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ccHttpLanguage,
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GetACP(),
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wcsHttpLanguage );
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LCID lcid = GetLCIDFromString( wcsHttpLanguage.GetPointer() );
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if ( InvalidLCID == lcid )
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lcid = GetSystemDefaultLCID();
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webServer.SetLCID( lcid,
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wcsHttpLanguage.GetPointer(),
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cwcLocale + 1 );
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return lcid;
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}
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//+---------------------------------------------------------------------------
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//
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// Function: GetQueryLocale - public
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//
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// Synposis: Determines the locale in both a string and LCID form
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//
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// Arguments: [wcsCiLocale] - locale string from a IDQ/IDA file
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// [variableSet] - set of replaceable parameters
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// [outputFormat] - format for replaceable parameters
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// [xLocale] - the string representation of the locale
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//
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// History: 02-May-96 DwightKr Created
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// 11-Jun-97 KyleP Use web server from output format
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//
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//----------------------------------------------------------------------------
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LCID GetQueryLocale( WCHAR const * wcsCiLocale,
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CVariableSet & variableSet,
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COutputFormat & outputFormat,
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XArray<WCHAR> & xLocale )
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{
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ULONG cwcLocale;
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WCHAR * wcsLocale = ReplaceParameters( wcsCiLocale,
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variableSet,
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outputFormat,
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cwcLocale );
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LCID locale = InvalidLCID;
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//
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// If a locale was specified by the IDQ file, load its numeric
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// representation here.
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//
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if ( 0 != wcsLocale )
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{
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xLocale.Set( cwcLocale+1, wcsLocale );
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locale = GetLCIDFromString( xLocale.GetPointer() );
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if ( InvalidLCID == locale )
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{
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delete xLocale.Acquire();
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outputFormat.LoadNumberFormatInfo( GetBrowserLCID( outputFormat, xLocale ) );
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THROW( CIDQException(MSG_CI_IDQ_INVALID_LOCALE, 0) );
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}
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}
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else
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{
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//
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// If no locale was found in the IDQ file read the locale from
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// the browser. If the browser did not specify a locale, we'll
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// use the system's locale.
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//
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locale = GetBrowserLCID( outputFormat, xLocale );
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}
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return locale;
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}
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