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MDict: Optimize links handling

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Abs62 2016-11-07 18:40:53 +03:00
parent f0256b2b18
commit 404999c4e5
1 changed files with 96 additions and 67 deletions
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147
mdx.cc
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@ -989,82 +989,111 @@ QString & MdxDictionary::filterResource( QString const & articleId, QString & ar
{
QString id = QString::fromStdString( getId() );
QString uniquePrefix = QString::fromLatin1( "g" ) + id + "_" + articleId + "_";
QRegExp allLinksRe("(<\\s*(a(?:rea)?|link|script|img)\\s+[^>]*>)", Qt::CaseInsensitive );
QRegExp wordCrossLink( "(href\\s*=\\s*[\"'])entry://([^#\"']+)(#?[^\"']*)", Qt::CaseInsensitive );
QRegExp anchorLinkRe( "(<\\s*a\\s+[^>]*\\b(?:name|id)\\b\\s*=\\s*[\"']*)(?=[^\"'])", Qt::CaseInsensitive );
anchorLinkRe.setMinimal( true );
QRegExp wordCrossLink( "(href\\s*=\\s*[\"'])entry://([^#\"']+)(#?[^\"']*)", Qt::CaseInsensitive );
QRegExp anchorLinkRe2( "(href\\s*=\\s*[\"'])entry://#", Qt::CaseInsensitive );
QRegExp audioRe( "(<\\s*(?:a|area)\\s+[^>]*\\bhref\\b\\s*=\\s*\")sound://([^\"']*)", Qt::CaseInsensitive );
QRegExp stylesRe( "(<\\s*link\\s+[^>]*\\bhref\\b\\s*=\\s*[\"']+)(?!bres:|data:)(?:file://)?[\\x00-\\x30\\x7f]*(?:/?)([^\"']*)",
Qt::CaseInsensitive, QRegExp::RegExp2 );
QRegExp stylesRe2( "(<\\s*link\\s+[^>]*\\bhref\\b\\s*=\\s*)(?!['\"]+)(?!bres:|data:)(?:file://)?(?:/?)([^\\s>]+)",
Qt::CaseInsensitive, QRegExp::RegExp2 );
QRegExp inlineScriptRe( "<\\s*script\\s*>", Qt::CaseInsensitive, QRegExp::RegExp2 );
QRegExp closeScriptTagRe( "<\\s*/script\\s*>", Qt::CaseInsensitive, QRegExp::RegExp2 );
QRegExp scriptRe( "(<\\s*script\\s+[^>]*\\bsrc\\b\\s*=\\s*[\"']+)(?!bres:|data:)(?:file://)?[\\x00-\\x30\\x7f]*(?:/?)([^\"']*)",
Qt::CaseInsensitive, QRegExp::RegExp2 );
QRegExp scriptRe2( "(<\\s*script\\s+[^>]*\\bsrc\\b\\s*=\\s*)(?!['\"]+)(?!bres:|data:)(?:file://)?(?:/?)([^\\s>]+)",
Qt::CaseInsensitive, QRegExp::RegExp2 );
QRegExp imgRe( "(<\\s*img\\s+[^>]*\\bsrc\\b\\s*=\\s*[\"']+)(?!bres:|data:|http:|https:)(?:file://)?[\\x00-\\x1f\\x7f]*(?:/?)([^\"']*)",
Qt::CaseInsensitive, QRegExp::RegExp2 );
QRegExp imgRe2( "(<\\s*img\\s+[^>]*\\bsrc\\b\\s*=\\s*)(?!['\"]+)(?!bres:|data:|http:|https:)(?:file://)?(?:/?)([^\\s>]+)",
Qt::CaseInsensitive, QRegExp::RegExp2 );
article = article
// anchors
.replace( anchorLinkRe,
"\\1" + uniquePrefix )
.replace( QRegExp( "(href\\s*=\\s*[\"'])entry://#", Qt::CaseInsensitive ),
"\\1#" + uniquePrefix )
// sounds, and audio link script
.replace( QRegExp( "(<\\s*(?:a|area)\\s+[^>]*\\bhref\\b\\s*=\\s*\")sound://([^\"']*)", Qt::CaseInsensitive ),
QString::fromStdString( addAudioLink( "\"gdau://" + getId() + "/\\2\"", getId() ) ) +
"\\1gdau://" + id + "/\\2" )
// stylesheets
.replace( QRegExp( "(<\\s*link\\s+[^>]*\\bhref\\b\\s*=\\s*[\"']+)(?:file://)?[\\x00-\\x30\\x7f]*([^\"']*)",
Qt::CaseInsensitive, QRegExp::RegExp2 ),
"\\1bres://" + id + "/\\2" )
.replace( QRegExp( "(<\\s*link\\s+[^>]*\\bhref\\b\\s*=\\s*)(?!['\"]+)(?!bres:|data:)(?:file://)?([^\\s>]+)",
Qt::CaseInsensitive, QRegExp::RegExp2 ),
"\\1\"bres://" + id + "/\\\"" )
// javascripts
.replace( QRegExp( "(<\\s*script\\s+[^>]*\\bsrc\\b\\s*=\\s*)(?!['\"]+)(?!bres:|data:)(?:file://)?([^\\s>]+)",
Qt::CaseInsensitive, QRegExp::RegExp2 ),
"\\1\"bres://" + id + "/\\\"" )
// images
.replace( QRegExp( "(<\\s*img\\s+[^>]*\\bsrc\\b\\s*=\\s*[\"']+)(?!http:|https:)(?:file://)?[\\x00-\\x1f\\x7f]*([^\"']*)",
Qt::CaseInsensitive, QRegExp::RegExp2 ),
"\\1bres://" + id + "/\\2" )
.replace( QRegExp( "(<\\s*img\\s+[^>]*\\bsrc\\b\\s*=\\s*)(?!['\"]+)(?!bres:|data:|http:|https:)(?:file://)?([^\\s>]+)",
Qt::CaseInsensitive, QRegExp::RegExp2 ),
"\\1\"bres://" + id + "/\\2\"" );
// word cross links
int pos = 0;
while( pos >= 0 )
int linkPos = 0;
while( linkPos >= 0 )
{
pos = wordCrossLink.indexIn( article, pos );
if( pos < 0 )
linkPos = article.indexOf( allLinksRe, linkPos );
if( linkPos < 0 )
break;
QString newLink = wordCrossLink.cap( 1 )
QString linkTxt = allLinksRe.cap( 0 );
QString linkType = allLinksRe.cap( 2 );
QString newLink;
if( !linkType.isEmpty() && linkType.at( 0 ).toLower() == 'a' )
{
newLink = linkTxt
// anchors
.replace( anchorLinkRe, "\\1" + uniquePrefix )
.replace( anchorLinkRe2, "\\1#" + uniquePrefix )
// sounds, and audio link script
.replace( audioRe,
QString::fromStdString( addAudioLink( "\"gdau://" + getId() + "/\\2\"", getId() ) ) +
"\\1gdau://" + id + "/\\2" );
int pos = wordCrossLink.indexIn( newLink );
if( pos >= 0 )
{
QString newTxt = wordCrossLink.cap( 1 )
+ "gdlookup://localhost/"
+ wordCrossLink.cap( 2 );
if( !wordCrossLink.cap( 3 ).isEmpty() )
newLink += QString( "?gdanchor=" ) + uniquePrefix + wordCrossLink.cap( 3 ).mid( 1 );
newTxt += QString( "?gdanchor=" ) + uniquePrefix + wordCrossLink.cap( 3 ).mid( 1 );
article.replace( pos, wordCrossLink.cap( 0 ).size(), newLink );
pos += newLink.size();
newLink.replace( pos, wordCrossLink.cap( 0 ).size(), newTxt );
}
}
else
if( linkType.toLower().compare( "link" ) == 0 )
{
// stylesheets
newLink = linkTxt
.replace( stylesRe,
"\\1bres://" + id + "/\\2" )
.replace( stylesRe2,
"\\1\"bres://" + id + "/\\2\"" );
}
else
if( linkType.toLower().compare( "script" ) == 0 )
{
// javascripts
QRegExp regScript( "(<\\s*script\\s+[^>]*\\bsrc\\b\\s*=\\s*[\"']+)(?:file://)?[\\x00-\\x30\\x7f]*([^\"']*)",
Qt::CaseInsensitive, QRegExp::RegExp2 );
QRegExp regDynamic( "<\\s*script\\s+src\\s*=\\s*[\"']+\\s*[\"']+\\s*\\+\\s*replace\\(" );
pos = 0;
while( pos >= 0 )
if( inlineScriptRe.exactMatch( linkTxt ) )
{
pos = regScript.indexIn( article, pos );
if( pos < 0 )
break;
if( regScript.cap( 0 ).indexOf( regDynamic ) >= 0 )
{
pos += regScript.cap( 0 ).size();
// skip inline scripts
int pos = article.indexOf( closeScriptTagRe, linkPos );
linkPos += pos > 0 ? pos : linkTxt.length();
continue;
}
QString newLink = regScript.cap( 1 )
+ "bres://" + id + "/"
+ regScript.cap( 2 );
article.replace( pos, regScript.cap( 0 ).size(), newLink );
pos += newLink.size();
else
{
newLink = linkTxt
.replace( scriptRe,
"\\1bres://" + id + "/\\2" )
.replace( scriptRe2,
"\\1\"bres://" + id + "/\\2\"" );
}
}
else
if( linkType.toLower().compare( "img" ) == 0 )
{
// images
newLink = linkTxt
.replace( imgRe,
"\\1bres://" + id + "/\\2" )
.replace( imgRe2,
"\\1\"bres://" + id + "/\\2\"" );
}
if( !newLink.isEmpty() )
{
article.replace( linkPos, allLinksRe.cap().length(), newLink );
linkPos += newLink.length();
}
else
linkPos += allLinksRe.cap().length();
}
return article;