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Handle article decoding errors for Aard dictionaries

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Abs62 2013-03-04 16:57:12 +04:00
parent 869b044966
commit 06a8129fac
1 changed files with 47 additions and 28 deletions
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75
aard.cc
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@ -450,56 +450,69 @@ void AardDictionary::loadArticle( uint32_t address,
articleText.clear(); articleText.clear();
while( 1 )
{ {
articleText = "Article loading error";
try
{
Mutex::Lock _( aardMutex ); Mutex::Lock _( aardMutex );
df.seek( articleOffset ); df.seek( articleOffset );
df.read( &size, sizeof(size) ); df.read( &size, sizeof(size) );
articleSize = size; articleSize = size;
articleBody.resize( articleSize ); articleBody.resize( articleSize );
df.read( &articleBody.front(), articleSize ); df.read( &articleBody.front(), articleSize );
} }
catch(...)
{
break;
}
if ( articleBody.empty() ) if ( articleBody.empty() )
throw exCantReadFile( getDictionaryFilenames()[ 0 ] ); break;
string text = decompressBzip2( articleBody.data(), articleSize ); articleText.clear();
if( text.empty() )
string text = decompressBzip2( articleBody.data(), articleSize );
if( text.empty() )
text = decompressZlib( articleBody.data(), articleSize ); text = decompressZlib( articleBody.data(), articleSize );
if( text.empty() ) if( text.empty() )
text = string( articleBody.data(), articleSize ); text = string( articleBody.data(), articleSize );
string::size_type n = 0; if( text.empty() || text[ 0 ] != '[' )
while( n < text.size() && text[n] != '\"' ) break;
n++;
if( n >= text.size() ) string::size_type n = text.find( '\"' );
return; if( n == string::npos )
break;
readJSONValue( text, articleText, n ); readJSONValue( text, articleText, n );
if( articleText.empty() ) if( articleText.empty() )
{ {
n = text.find( "\"r\"" ); n = text.find( "\"r\"" );
if( n != string::npos ) if( n != string::npos && n + 3 < text.size() )
{ {
n += 3; n = text.find( '\"', n + 3 );
while( n < text.size() && text[n] != '\"' ) if( n == string::npos )
n++; break;
if( n >= text.size() ) string link;
return; readJSONValue( text, link, n );
if( !link.empty() )
string link; articleText = "<a href=\"" + link + "\">" + link + "</a>";
readJSONValue( text, link, n );
if( !link.empty() )
articleText = "<a href=\"" + link + "\">" + link + "</a>";
} }
}
break;
} }
if( !articleText.empty() ) if( !articleText.empty() )
articleText = convert( articleText ); articleText = convert( articleText );
else
articleText = "Article decoding error";
articleText = "<div class=\"sdict\">" + articleText + "</div>"; articleText = "<div class=\"aard\">" + articleText + "</div>";
} }
QString const& AardDictionary::getDescription() QString const& AardDictionary::getDescription()
@ -660,7 +673,13 @@ void AardArticleRequest::run()
string headword, articleText; string headword, articleText;
headword = chain[ x ].word; headword = chain[ x ].word;
dict.loadArticle( chain[ x ].articleOffset, articleText ); try
{
dict.loadArticle( chain[ x ].articleOffset, articleText );
}
catch(...)
{
}
// Ok. Now, does it go to main articles, or to alternate ones? We list // Ok. Now, does it go to main articles, or to alternate ones? We list
// main ones first, and alternates after. // main ones first, and alternates after.