зеркало из https://github.com/mozilla/pjs.git
NOT PART OF THE BUILD
This commit is contained in:
ccarlen%netscape.com
Родитель
21d37dd6e5
Коммит
2be799cac1
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@ -17,7 +17,7 @@
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* Copyright (C) 1999, Mozilla. All Rights Reserved.
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*
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* Contributor(s):
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* Conrad Carlen <conrad@ingress.com>
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* Conrad Carlen <ccarlen@netscape.com>
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*/
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#include "UMacUnicode.h"
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@ -25,107 +25,212 @@
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#include "nsIUnicodeEncoder.h"
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#include "nsIUnicodeDecoder.h"
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#include "nsIServiceManager.h"
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#define NS_IMPL_IDS
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#include "nsIPlatformCharset.h"
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#undef NS_IMPL_IDS
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#include "nsICharsetConverterManager.h"
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static NS_DEFINE_CID(kCharsetConverterManagerCID, NS_ICHARSETCONVERTERMANAGER_CID);
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CPlatformUCSConversion *CPlatformUCSConversion::mgInstance = nsnull;
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static nsIUnicodeEncoder *gUnicodeEncoder;
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static nsIUnicodeDecoder *gUnicodeDecoder;
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static void GetFileSystemCharset(nsString & fileSystemCharset);
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void UMacUnicode::ReleaseUnit()
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CPlatformUCSConversion::CPlatformUCSConversion() :
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mCharsetSel(kPlatformCharsetSel_FileName)
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{
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NS_IF_RELEASE(gUnicodeEncoder);
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NS_IF_RELEASE(gUnicodeDecoder);
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mEncoder = nsnull;
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mDecoder = nsnull;
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}
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void UMacUnicode::StringToStr255(const nsString& aText, Str255& aStr255)
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CPlatformUCSConversion*
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CPlatformUCSConversion::GetInstance()
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{
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char buffer[256];
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nsresult rv = NS_OK;
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// get file system charset and create a unicode encoder
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if (nsnull == gUnicodeEncoder) {
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nsAutoString fileSystemCharset;
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GetFileSystemCharset(fileSystemCharset);
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NS_WITH_SERVICE(nsICharsetConverterManager, ccm, kCharsetConverterManagerCID, &rv);
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if (NS_SUCCEEDED(rv)) {
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rv = ccm->GetUnicodeEncoder(&fileSystemCharset, &gUnicodeEncoder);
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}
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}
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// converts from unicode to the file system charset
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if (NS_SUCCEEDED(rv)) {
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PRInt32 inLength = aText.Length();
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PRInt32 outLength = 255;
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rv = gUnicodeEncoder->Convert(aText.GetUnicode(), &inLength, (char *) &aStr255[1], &outLength);
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if (NS_SUCCEEDED(rv))
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aStr255[0] = outLength;
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}
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if (NS_FAILED(rv)) {
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// NS_ASSERTION(0, "error: charset covnersion");
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aText.ToCString(buffer, 255);
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PRInt32 len = nsCRT::strlen(buffer);
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memcpy(&aStr255[1], buffer, len);
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aStr255[0] = len;
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}
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if (!mgInstance)
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mgInstance = new CPlatformUCSConversion;
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return mgInstance;
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}
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void UMacUnicode::Str255ToString(const Str255& aStr255, nsString& aText)
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NS_IMETHODIMP
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CPlatformUCSConversion::SetCharsetSelector(nsPlatformCharsetSel aSel)
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{
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nsresult rv = NS_OK;
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// get file system charset and create a unicode encoder
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if (nsnull == gUnicodeDecoder) {
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nsAutoString fileSystemCharset;
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GetFileSystemCharset(fileSystemCharset);
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NS_WITH_SERVICE(nsICharsetConverterManager, ccm, kCharsetConverterManagerCID, &rv);
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if (NS_SUCCEEDED(rv)) {
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rv = ccm->GetUnicodeDecoder(&fileSystemCharset, &gUnicodeDecoder);
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}
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}
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// converts from the file system charset to unicode
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if (NS_SUCCEEDED(rv)) {
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PRUnichar buffer[512];
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PRInt32 inLength = aStr255[0];
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PRInt32 outLength = 512;
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rv = gUnicodeDecoder->Convert((char *) &aStr255[1], &inLength, buffer, &outLength);
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if (NS_SUCCEEDED(rv)) {
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aText.Assign(buffer, outLength);
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}
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}
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if (NS_FAILED(rv)) {
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// NS_ASSERTION(0, "error: charset covnersion");
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aText.AssignWithConversion((char *) &aStr255[1], aStr255[0]);
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}
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if (mCharsetSel != aSel) {
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mCharsetSel = aSel;
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mPlatformCharset.Truncate(0);
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mEncoder = nsnull;
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mDecoder = nsnull;
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}
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return NS_OK;
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}
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static void GetFileSystemCharset(nsString & fileSystemCharset)
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NS_IMETHODIMP
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CPlatformUCSConversion::PreparePlatformCharset()
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{
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static nsAutoString aCharset;
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nsresult rv;
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nsresult res = NS_OK;
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if (aCharset.Length() < 1) {
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nsCOMPtr <nsIPlatformCharset> platformCharset = do_GetService(NS_PLATFORMCHARSET_CONTRACTID, &rv);
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if (NS_SUCCEEDED(rv))
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rv = platformCharset->GetCharset(kPlatformCharsetSel_FileName, aCharset);
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NS_ASSERTION(NS_SUCCEEDED(rv), "error getting platform charset");
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if (NS_FAILED(rv))
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aCharset.AssignWithConversion("x-mac-roman");
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}
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fileSystemCharset = aCharset;
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if (mPlatformCharset.Length() == 0)
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{
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NS_WITH_SERVICE(nsIPlatformCharset, pcharset, NS_PLATFORMCHARSET_CONTRACTID, &res);
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if (!(NS_SUCCEEDED(res) && pcharset)) {
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NS_WARNING("cannot get platform charset");
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}
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if(NS_SUCCEEDED(res) && pcharset) {
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res = pcharset->GetCharset(mCharsetSel, mPlatformCharset);
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}
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}
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return res;
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}
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NS_IMETHODIMP
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CPlatformUCSConversion::PrepareEncoder()
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{
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nsresult res = NS_OK;
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if(! mEncoder)
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{
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res = PreparePlatformCharset();
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if(NS_SUCCEEDED(res)) {
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NS_WITH_SERVICE(nsICharsetConverterManager,
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ucmgr, NS_CHARSETCONVERTERMANAGER_CONTRACTID, &res);
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NS_ASSERTION((NS_SUCCEEDED(res) && ucmgr),
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"cannot get charset converter manager ");
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if(NS_SUCCEEDED(res) && ucmgr)
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res = ucmgr->GetUnicodeEncoder( &mPlatformCharset, getter_AddRefs(mEncoder));
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NS_ASSERTION((NS_SUCCEEDED(res) && mEncoder),
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"cannot find the unicode encoder");
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}
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}
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return res;
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}
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NS_IMETHODIMP
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CPlatformUCSConversion::PrepareDecoder()
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{
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nsresult res = NS_OK;
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if(! mDecoder)
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{
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res = PreparePlatformCharset();
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if(NS_SUCCEEDED(res)) {
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NS_WITH_SERVICE(nsICharsetConverterManager,
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ucmgr, NS_CHARSETCONVERTERMANAGER_CONTRACTID, &res);
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NS_ASSERTION((NS_SUCCEEDED(res) && ucmgr),
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"cannot get charset converter manager ");
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if(NS_SUCCEEDED(res) && ucmgr)
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res = ucmgr->GetUnicodeDecoder( &mPlatformCharset, getter_AddRefs(mDecoder));
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NS_ASSERTION((NS_SUCCEEDED(res) && mDecoder),
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"cannot find the unicode decoder");
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}
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}
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return res;
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}
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NS_IMETHODIMP
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CPlatformUCSConversion::UCSToPlatform(const nsAReadableString& aIn, nsAWritableCString& aOut)
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{
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nsresult res;
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aOut.Truncate(0);
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res = PrepareEncoder();
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if(NS_SUCCEEDED(res))
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{
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nsReadingIterator<PRUnichar> done_reading;
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aIn.EndReading(done_reading);
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// for each chunk of |aIn|...
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PRUint32 fragmentLength = 0;
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nsReadingIterator<PRUnichar> iter;
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for (aIn.BeginReading(iter); iter != done_reading && NS_SUCCEEDED(res); iter.advance(PRInt32(fragmentLength)))
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{
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fragmentLength = PRUint32(iter.size_forward());
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PRInt32 inLength = fragmentLength;
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PRInt32 outLength;
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res = mEncoder->GetMaxLength(iter.get(), fragmentLength, &outLength);
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if (NS_SUCCEEDED(res))
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{
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char *outBuf = (char*)nsMemory::Alloc(outLength);
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if (outBuf)
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{
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res = mEncoder->Convert(iter.get(), &inLength, outBuf, &outLength);
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if (NS_SUCCEEDED(res))
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aOut.Append(outBuf, outLength);
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nsMemory::Free(outBuf);
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}
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else
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res = NS_ERROR_OUT_OF_MEMORY;
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}
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}
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}
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return res;
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}
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NS_IMETHODIMP
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CPlatformUCSConversion::UCSToPlatform(const nsAReadableString& aIn, Str255& aOut)
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{
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nsresult res;
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nsCAutoString cStr;
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res = UCSToPlatform(aIn, cStr);
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if (NS_SUCCEEDED(res))
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{
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PRUint32 outLength = cStr.Length();
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if (outLength > 255)
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outLength = 255;
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memcpy(&aOut[1], cStr.GetBuffer(), outLength);
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aOut[0] = outLength;
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}
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return res;
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}
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NS_IMETHODIMP
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CPlatformUCSConversion::PlatformToUCS(const nsAReadableCString& aIn, nsAWritableString& aOut)
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{
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nsresult res;
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aOut.Truncate(0);
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res = PrepareDecoder();
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if (NS_SUCCEEDED(res))
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{
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nsReadingIterator<char> done_reading;
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aIn.EndReading(done_reading);
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// for each chunk of |aIn|...
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PRUint32 fragmentLength = 0;
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nsReadingIterator<char> iter;
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for (aIn.BeginReading(iter); iter != done_reading && NS_SUCCEEDED(res); iter.advance(PRInt32(fragmentLength)))
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{
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fragmentLength = PRUint32(iter.size_forward());
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PRInt32 inLength = fragmentLength;
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PRInt32 outLength;
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res = mDecoder->GetMaxLength(iter.get(), inLength, &outLength);
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if (NS_SUCCEEDED(res))
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{
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PRUnichar *outBuf = (PRUnichar*)nsMemory::Alloc(outLength * sizeof(PRUnichar));
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if (outBuf)
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{
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res = mDecoder->Convert(iter.get(), &inLength, outBuf, &outLength);
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if(NS_SUCCEEDED(res))
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aOut.Append(outBuf, outLength);
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nsMemory::Free(outBuf);
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}
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else
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res = NS_ERROR_OUT_OF_MEMORY;
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}
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}
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}
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return res;
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}
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NS_IMETHODIMP
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CPlatformUCSConversion::PlatformToUCS(const Str255& aIn, nsAWritableString& aOut)
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{
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char charBuf[256];
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memcpy(charBuf, &aIn[1], aIn[0]);
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charBuf[aIn[0]] = '\0';
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return PlatformToUCS(nsLiteralCString(charBuf), aOut);
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}
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@ -17,22 +17,45 @@
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* Copyright (C) 1999, Mozilla. All Rights Reserved.
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*
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* Contributor(s):
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* Conrad Carlen <conrad@ingress.com>
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* Conrad Carlen <ccarlen@netscape.com>
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*/
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#ifndef __UMacUnicode__
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#define __UMacUnicode__
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#include "nsIPlatformCharset.h"
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#include "nsIUnicodeEncoder.h"
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#include "nsIUnicodeDecoder.h"
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#include "nsString.h"
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#include "nsCOMPtr.h"
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class nsString;
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namespace UMacUnicode
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{
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class CPlatformUCSConversion {
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public:
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CPlatformUCSConversion();
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virtual ~CPlatformUCSConversion(){};
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static CPlatformUCSConversion* GetInstance();
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NS_IMETHOD SetCharsetSelector(nsPlatformCharsetSel aSel);
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NS_IMETHOD UCSToPlatform(const nsAReadableString& aIn, nsAWritableCString& aOut);
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NS_IMETHOD UCSToPlatform(const nsAReadableString& aIn, Str255& aOut);
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NS_IMETHOD PlatformToUCS(const nsAReadableCString& ain, nsAWritableString& aOut);
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NS_IMETHOD PlatformToUCS(const Str255& aIn, nsAWritableString& aOut);
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void ReleaseUnit();
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void StringToStr255(const nsString& aText, Str255& aStr255);
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void Str255ToString(const Str255& aStr255, nsString& aText);
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}
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private:
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static CPlatformUCSConversion *mgInstance;
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NS_IMETHOD PreparePlatformCharset();
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NS_IMETHOD PrepareEncoder();
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NS_IMETHOD PrepareDecoder();
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nsPlatformCharsetSel mCharsetSel;
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nsAutoString mPlatformCharset;
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nsCOMPtr<nsIUnicodeEncoder> mEncoder;
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nsCOMPtr<nsIUnicodeDecoder> mDecoder;
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};
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#endif // __UMacUnicode__
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