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optimize: move mdx regex to struct

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only initiliazed once
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YiFang Xiao 2022-03-20 18:49:58 +08:00
parent e33499e173
commit f4ab1ed6a6
1 changed files with 59 additions and 49 deletions
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108
mdx.cc
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@ -191,6 +191,49 @@ public:
};
struct MdxRegex
{
MdxRegex() :
allLinksRe( "(?:<\\s*(a(?:rea)?|img|link|script|source)(?:\\s+[^>]+|\\s*)>)",
QRegularExpression::CaseInsensitiveOption ),
wordCrossLink( "([\\s\"']href\\s*=)\\s*([\"'])entry://([^>#]*?)((?:#[^>]*?)?)\\2",
QRegularExpression::CaseInsensitiveOption ),
anchorIdRe( "([\\s\"'](?:name|id)\\s*=)\\s*([\"'])\\s*(?=\\S)", QRegularExpression::CaseInsensitiveOption ),
anchorIdRe2( "([\\s\"'](?:name|id)\\s*=)\\s*(?=[^\"'])([^\\s\">]+)", QRegularExpression::CaseInsensitiveOption ),
anchorLinkRe( "([\\s\"']href\\s*=\\s*[\"'])entry://#", QRegularExpression::CaseInsensitiveOption ),
audioRe( "([\\s\"']href\\s*=)\\s*([\"'])sound://([^\">]+)\\2",
QRegularExpression::CaseInsensitiveOption | QRegularExpression::InvertedGreedinessOption ),
stylesRe( "([\\s\"']href\\s*=)\\s*([\"'])(?!\\s*\\b(?:(?:bres|https?|ftp)://"
"|(?:data|javascript):))(?:file://)?[\\x00-\\x1f\\x7f]*\\.*/?([^\">]+)\\2",
QRegularExpression::CaseInsensitiveOption ),
stylesRe2( "([\\s\"']href\\s*=)\\s*(?![\\s\"']|\\b(?:(?:bres|https?|ftp)://"
"|(?:data|javascript):))(?:file://)?[\\x00-\\x1f\\x7f]*\\.*/?([^\\s\">]+)",
QRegularExpression::CaseInsensitiveOption ),
inlineScriptRe( "<\\s*script(?:(?=\\s)(?:(?![\\s\"']src\\s*=)[^>])+|\\s*)>",
QRegularExpression::CaseInsensitiveOption ),
closeScriptTagRe( "<\\s*/script\\s*>", QRegularExpression::CaseInsensitiveOption ),
srcRe( "([\\s\"']src\\s*=)\\s*([\"'])(?!\\s*\\b(?:(?:bres|https?|ftp)://"
"|(?:data|javascript):))(?:file://)?[\\x00-\\x1f\\x7f]*\\.*/?([^\">]+)\\2",
QRegularExpression::CaseInsensitiveOption ),
srcRe2( "([\\s\"']src\\s*=)\\s*(?![\\s\"']|\\b(?:(?:bres|https?|ftp)://"
"|(?:data|javascript):))(?:file://)?[\\x00-\\x1f\\x7f]*\\.*/?([^\\s\">]+)",
QRegularExpression::CaseInsensitiveOption )
{
}
QRegularExpression allLinksRe;
QRegularExpression wordCrossLink;
QRegularExpression anchorIdRe;
QRegularExpression anchorIdRe2;
QRegularExpression anchorLinkRe;
QRegularExpression audioRe;
QRegularExpression stylesRe;
QRegularExpression stylesRe2;
QRegularExpression inlineScriptRe;
QRegularExpression closeScriptTagRe;
QRegularExpression srcRe;
QRegularExpression srcRe2;
};
class MdxDictionary: public BtreeIndexing::BtreeDictionary
{
Mutex idxMutex;
@ -211,18 +254,7 @@ class MdxDictionary: public BtreeIndexing::BtreeDictionary
string initError;
QString cacheDirName;
QRegularExpression allLinksRe;
QRegularExpression wordCrossLink;
QRegularExpression anchorIdRe;
QRegularExpression anchorIdRe2;
QRegularExpression anchorLinkRe;
QRegularExpression audioRe;
QRegularExpression stylesRe;
QRegularExpression stylesRe2;
QRegularExpression inlineScriptRe;
QRegularExpression closeScriptTagRe;
QRegularExpression srcRe;
QRegularExpression srcRe2;
static MdxRegex mdxRx;
public:
@ -314,37 +346,15 @@ private:
friend class MdxDeferredInitRunnable;
};
MdxRegex MdxDictionary::mdxRx;
MdxDictionary::MdxDictionary( string const & id, string const & indexFile,
vector<string> const & dictionaryFiles ):
BtreeDictionary( id, dictionaryFiles ),
idx( indexFile, "rb" ),
idxHeader( idx.read< IdxHeader >() ),
chunks( idx, idxHeader.chunksOffset ),
deferredInitRunnableStarted( false ),
allLinksRe( "(?:<\\s*(a(?:rea)?|img|link|script|source)(?:\\s+[^>]+|\\s*)>)",
QRegularExpression::CaseInsensitiveOption ),
wordCrossLink( "([\\s\"']href\\s*=)\\s*([\"'])entry://([^>#]*?)((?:#[^>]*?)?)\\2",
QRegularExpression::CaseInsensitiveOption ),
anchorIdRe( "([\\s\"'](?:name|id)\\s*=)\\s*([\"'])\\s*(?=\\S)", QRegularExpression::CaseInsensitiveOption ),
anchorIdRe2( "([\\s\"'](?:name|id)\\s*=)\\s*(?=[^\"'])([^\\s\">]+)", QRegularExpression::CaseInsensitiveOption ),
anchorLinkRe( "([\\s\"']href\\s*=\\s*[\"'])entry://#", QRegularExpression::CaseInsensitiveOption ),
audioRe( "([\\s\"']href\\s*=)\\s*([\"'])sound://([^\">]+)\\2",
QRegularExpression::CaseInsensitiveOption | QRegularExpression::InvertedGreedinessOption ),
stylesRe( "([\\s\"']href\\s*=)\\s*([\"'])(?!\\s*\\b(?:(?:bres|https?|ftp)://"
"|(?:data|javascript):))(?:file://)?[\\x00-\\x1f\\x7f]*\\.*/?([^\">]+)\\2",
QRegularExpression::CaseInsensitiveOption ),
stylesRe2( "([\\s\"']href\\s*=)\\s*(?![\\s\"']|\\b(?:(?:bres|https?|ftp)://"
"|(?:data|javascript):))(?:file://)?[\\x00-\\x1f\\x7f]*\\.*/?([^\\s\">]+)",
QRegularExpression::CaseInsensitiveOption ),
inlineScriptRe( "<\\s*script(?:(?=\\s)(?:(?![\\s\"']src\\s*=)[^>])+|\\s*)>",
QRegularExpression::CaseInsensitiveOption ),
closeScriptTagRe( "<\\s*/script\\s*>", QRegularExpression::CaseInsensitiveOption ),
srcRe( "([\\s\"']src\\s*=)\\s*([\"'])(?!\\s*\\b(?:(?:bres|https?|ftp)://"
"|(?:data|javascript):))(?:file://)?[\\x00-\\x1f\\x7f]*\\.*/?([^\">]+)\\2",
QRegularExpression::CaseInsensitiveOption ),
srcRe2( "([\\s\"']src\\s*=)\\s*(?![\\s\"']|\\b(?:(?:bres|https?|ftp)://"
"|(?:data|javascript):))(?:file://)?[\\x00-\\x1f\\x7f]*\\.*/?([^\\s\">]+)",
QRegularExpression::CaseInsensitiveOption )
deferredInitRunnableStarted( false )
{
// Read the dictionary's name
idx.seek( sizeof( idxHeader ) );
@ -1058,7 +1068,7 @@ QString & MdxDictionary::filterResource( QString const & articleId, QString & ar
QString articleNewText;
int linkPos = 0;
QRegularExpressionMatchIterator it = allLinksRe.globalMatch( article );
QRegularExpressionMatchIterator it = mdxRx.allLinksRe.globalMatch( article );
while( it.hasNext() )
{
QRegularExpressionMatch allLinksMatch = it.next();
@ -1075,18 +1085,18 @@ QString & MdxDictionary::filterResource( QString const & articleId, QString & ar
if( !linkType.isEmpty() && linkType.at( 0 ) == 'a' )
{
QRegularExpressionMatch match = anchorIdRe.match( linkTxt );
QRegularExpressionMatch match = mdxRx.anchorIdRe.match( linkTxt );
if( match.hasMatch() )
{
QString newText = match.captured( 1 ) + match.captured( 2 ) + uniquePrefix;
newLink = linkTxt.replace( match.capturedStart(), match.capturedLength(), newText );
}
else
newLink = linkTxt.replace( anchorIdRe2, "\\1\"" + uniquePrefix + "\\2\"" );
newLink = linkTxt.replace( mdxRx.anchorIdRe2, "\\1\"" + uniquePrefix + "\\2\"" );
newLink = newLink.replace( anchorLinkRe, "\\1#" + uniquePrefix );
newLink = newLink.replace( mdxRx.anchorLinkRe, "\\1#" + uniquePrefix );
match = audioRe.match( newLink );
match = mdxRx.audioRe.match( newLink );
if( match.hasMatch() )
{
// sounds and audio link script
@ -1097,7 +1107,7 @@ QString & MdxDictionary::filterResource( QString const & articleId, QString & ar
+ newLink.replace( match.capturedStart(), match.capturedLength(), newTxt );
}
match = wordCrossLink.match( newLink );
match = mdxRx.wordCrossLink.match( newLink );
if( match.hasMatch() )
{
QString newTxt = match.captured( 1 ) + match.captured( 2 )
@ -1115,7 +1125,7 @@ QString & MdxDictionary::filterResource( QString const & articleId, QString & ar
if( linkType.compare( "link" ) == 0 )
{
// stylesheets
QRegularExpressionMatch match = stylesRe.match( linkTxt );
QRegularExpressionMatch match = mdxRx.stylesRe.match( linkTxt );
if( match.hasMatch() )
{
QString newText = match.captured( 1 ) + match.captured( 2 )
@ -1124,7 +1134,7 @@ QString & MdxDictionary::filterResource( QString const & articleId, QString & ar
newLink = linkTxt.replace( match.capturedStart(), match.capturedLength(), newText );
}
else
newLink = linkTxt.replace( stylesRe2,
newLink = linkTxt.replace( mdxRx.stylesRe2,
"\\1\"bres://" + id + "/\\2\"" );
}
else
@ -1132,13 +1142,13 @@ QString & MdxDictionary::filterResource( QString const & articleId, QString & ar
|| linkType.compare( "source" ) == 0 )
{
// javascripts and images
QRegularExpressionMatch match = inlineScriptRe.match( linkTxt );
QRegularExpressionMatch match = mdxRx.inlineScriptRe.match( linkTxt );
if( linkType.at( 1 ) == 'c' // "script" tag
&& match.hasMatch() && match.capturedLength() == linkTxt.length() )
{
// skip inline scripts
articleNewText += linkTxt;
match = closeScriptTagRe.match( article, linkPos );
match = mdxRx.closeScriptTagRe.match( article, linkPos );
if( match.hasMatch() )
{
articleNewText += article.mid( linkPos, match.capturedEnd() - linkPos );
@ -1148,7 +1158,7 @@ QString & MdxDictionary::filterResource( QString const & articleId, QString & ar
}
else
{
match = srcRe.match( linkTxt );
match = mdxRx.srcRe.match( linkTxt );
if( match.hasMatch() )
{
QString newText;
@ -1169,7 +1179,7 @@ QString & MdxDictionary::filterResource( QString const & articleId, QString & ar
newLink = linkTxt.replace( match.capturedStart(), match.capturedLength(), newText );
}
else
newLink = linkTxt.replace( srcRe2,
newLink = linkTxt.replace( mdxRx.srcRe2,
"\\1\"bres://" + id + "/\\2\"" );
}
}