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/*
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* Copyright (c) 2007-2010 Sebastian Brannstrom, Lars Persson, EmbedDev AB
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*
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* All rights reserved.
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* This component and the accompanying materials are made available
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* under the terms of the License "Eclipse Public License v1.0"
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* which accompanies this distribution, and is available
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* at the URL "http://www.eclipse.org/legal/epl-v10.html".
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*
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* Initial Contributors:
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* EmbedDev AB - initial contribution.
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*
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* Contributors:
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*
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* Description:
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*
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*/
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#include <e32std.h>
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#include <e32base.h>
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#include <TXTETEXT.H> // for ELineBreak
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#include "PodcastUtils.h"
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#include "debug.h"
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#include "FeedEngine.h" // for KMaxDescriptionLength
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EXPORT_C void PodcastUtils::FixProtocolsL(TDes &aUrl)
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{
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HBufC* urlCopy = aUrl.AllocLC();
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TPtr urlCopyPtr (urlCopy->Des());
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urlCopyPtr.LowerCase();
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// url is always present so access that
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// Some pod links are written in format itpc://mylink.net/podcast.xml
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// Symbian HTTP stack does not like itpc://
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// Try to use a HTTP instead.
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TInt p = urlCopyPtr.Find(KItpcPrefix);
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if (p >= 0)
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{
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aUrl.Delete(p, KItpcPrefix().Length());
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}
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// Some pod links are written in format pcast://mylink.net/podcast.xml
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// Symbian HTTP stack does not like itpc://
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// Try to use a HTTP instead.
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p = urlCopyPtr.Find(KPcastPrefix);
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if (p >= 0)
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{
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aUrl.Delete(p, KPcastPrefix().Length());
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}
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// The URL must start with http://, otherwise the HTTP stack fails.
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TInt pos = urlCopyPtr.Find(KURLPrefix);
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if (pos == KErrNotFound)
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{
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HBufC* newUrl = HBufC::NewL(aUrl.Length() + KURLPrefix().Length());
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TPtr ptr = newUrl->Des();
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ptr.Append(KURLPrefix());
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ptr.Append(aUrl);
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// replace the url buffer
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aUrl.Copy(*newUrl);
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delete newUrl;
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}
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CleanupStack::PopAndDestroy(urlCopy);
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}
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EXPORT_C void PodcastUtils::CleanHtmlL(TDes &str)
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{
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#ifdef UIQ
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_LIT(KLineBreak, "\r\n");
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#else
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const TChar KLineBreak(CEditableText::ELineBreak);
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#endif
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_LIT(KNewLine, "\n");
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ReplaceString(str, KNewLine, KNullDesC);
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// DP2("CleanHtml %d, %S", str.Length(), &str);
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TInt startPos = str.Locate('<');
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TInt endPos = str.Locate('>');
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//DP3("length: %d, startPos: %d, endPos: %d", str.Length(), startPos, endPos);
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HBufC* tmpBuf = HBufC::NewLC(KMaxDescriptionLength);
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TPtr tmp(tmpBuf->Des());
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while (startPos != KErrNotFound && endPos != KErrNotFound && endPos > startPos) {
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//DP1("Cleaning out %S", &str.Mid(startPos, endPos-startPos+1));
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tmp.Copy(str.Left(startPos));
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TPtrC ptr=str.Mid(startPos, endPos-startPos+1);
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_LIT(KHtmlBr, "<br>");
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_LIT(KHtmlBr2, "<br />");
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_LIT(KHtmlBr3, "<br/>");
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_LIT(KHtmlP, "<p>");
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if (ptr.CompareF(KHtmlBr)== 0 || ptr.CompareF(KHtmlBr2)== 0 || ptr.CompareF(KHtmlBr3)== 0)
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{
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tmp.Append(KLineBreak);
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}
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else if (ptr.CompareF(KHtmlP) == 0)
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{
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tmp.Append(KLineBreak);
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tmp.Append(KLineBreak);
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}
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if (str.Length() > endPos+1) {
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tmp.Append(str.Mid(endPos+1));
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}
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str.Copy(tmp);
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startPos = str.Locate('<');
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endPos = str.Locate('>');
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}
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str.Trim();
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_LIT(KAmp, "&");
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_LIT(KQuot, """);
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_LIT(KNbsp, " ");
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_LIT(KCopy, "©");
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_LIT(KCopyReplacement, "(c)");
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if(str.Locate('&') != KErrNotFound) {
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ReplaceString(str, KAmp, KNullDesC);
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ReplaceString(str, KQuot, KNullDesC);
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ReplaceString(str, KNbsp, KNullDesC);
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ReplaceString(str, KCopy, KCopyReplacement);
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}
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ReplaceChar(str, '"', '\'');
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CleanupStack::PopAndDestroy(tmpBuf);
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}
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EXPORT_C void PodcastUtils::ReplaceString(TDes & aString, const TDesC& aStringToReplace, const TDesC& aReplacement)
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{
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TInt pos=aString.Find(aStringToReplace);
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TInt offset = 0;
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while (pos != KErrNotFound)
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{
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aString.Replace(offset+pos, aStringToReplace.Length(), aReplacement);
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offset += pos + aStringToReplace.Length()+1;
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if (offset > aString.Length())
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{
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return;
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}
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pos=aString.Mid(offset).Find(aStringToReplace);
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}
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}
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EXPORT_C void PodcastUtils::ReplaceChar(TDes & aString, TUint aCharToReplace, TUint aReplacement)
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{
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TInt strLen=aString.Length();
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for (TInt i=0; i < strLen; i++)
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{
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if (aString[i] == aCharToReplace)
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{
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aString[i] = aReplacement;
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}
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}
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}
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EXPORT_C void PodcastUtils::EnsureProperPathName(TFileName &aPath)
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{
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// from the SDK: The following characters cannot occur in the path: < >: " / |*
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ReplaceChar(aPath, '/', '_'); // better not to add \\ in case we have multiple /
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ReplaceChar(aPath, ':', '_');
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ReplaceChar(aPath, '?', '_');
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ReplaceChar(aPath, '|', '_');
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ReplaceChar(aPath, '*', '_');
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ReplaceChar(aPath, '<', '_');
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ReplaceChar(aPath, '>', '_');
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ReplaceChar(aPath, '"', '_');
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//buf.Append(_L("\\"));
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}
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EXPORT_C void PodcastUtils::FileNameFromUrl(const TDesC& aUrl, TFileName &aFileName)
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{
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TInt pos = aUrl.LocateReverse('/');
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if (pos != KErrNotFound)
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{
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TPtrC str = aUrl.Mid(pos+1);
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pos = str.Locate('?');
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if (pos != KErrNotFound)
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{
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aFileName.Copy(str.Left(pos));
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}
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else
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{
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aFileName.Copy(str);
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}
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}
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DP2("FileNameFromUrl in: %S, out: %S", &aUrl, &aFileName);
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}
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EXPORT_C void PodcastUtils::SQLEncode(TDes &aString)
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{
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ReplaceString(aString, _L("\""), _L("\"\""));
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//ReplaceString(aString, _L("'"), _L("''"));
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}
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EXPORT_C void PodcastUtils::XMLEncode(TDes &aString)
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{
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ReplaceString(aString, _L("\""), _L("""));
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ReplaceString(aString, _L("<"), _L("<"));
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ReplaceString(aString, _L(">"), _L(">"));
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ReplaceString(aString, _L("&"), _L("&"));
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}
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