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< title > remwharead: include/search.hpp File Reference< / title >
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< li class = "navelem" > < a class = "el" href = "dir_d44c64559bbebec7f509842c48db8b23.html" > include< / a > < / li > < / ul >
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< a href = "#func-members" > Functions< / a > < / div >
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< div class = "title" > search.hpp File Reference< / div > < / div >
< / div > <!-- header -->
< div class = "contents" >
< div class = "textblock" > < code > #include < vector> < / code > < br / >
< code > #include < string> < / code > < br / >
< code > #include " sqlite.hpp" < / code > < br / >
< / div >
< p > < a href = "search_8hpp_source.html" > Go to the source code of this file.< / a > < / p >
< table class = "memberdecls" >
< tr class = "heading" > < td colspan = "2" > < h2 class = "groupheader" > < a name = "func-members" > < / a >
Functions< / h2 > < / td > < / tr >
< tr class = "memitem:ab1373f27c59fc37b1029d395eda05105" > < td class = "memItemLeft" align = "right" valign = "top" > const vector< vector< string > >   < / td > < td class = "memItemRight" valign = "bottom" > < b > remwharead::parse_expression< / b > (string expression)< / td > < / tr >
< tr class = "memdesc:ab1373f27c59fc37b1029d395eda05105" > < td class = "mdescLeft" >   < / td > < td class = "mdescRight" > Split expression in subexpressions. < a href = "search_8cpp.html#ab1373f27c59fc37b1029d395eda05105" > More...< / a > < br / > < / td > < / tr >
< tr class = "separator:ab1373f27c59fc37b1029d395eda05105" > < td class = "memSeparator" colspan = "2" >   < / td > < / tr >
< tr class = "memitem:a52e92aaab9151b3ce39dc3a6b8cb6b92" > < td class = "memItemLeft" align = "right" valign = "top" > const string  < / td > < td class = "memItemRight" valign = "bottom" > < b > remwharead::to_lowercase< / b > (const string & str)< / td > < / tr >
< tr class = "memdesc:a52e92aaab9151b3ce39dc3a6b8cb6b92" > < td class = "mdescLeft" >   < / td > < td class = "mdescRight" > Convert str to lowercase. Works with unicode. < a href = "search_8cpp.html#a52e92aaab9151b3ce39dc3a6b8cb6b92" > More...< / a > < br / > < / td > < / tr >
< tr class = "separator:a52e92aaab9151b3ce39dc3a6b8cb6b92" > < td class = "memSeparator" colspan = "2" >   < / td > < / tr >
< tr class = "memitem:a7965524f3f37affaf24136cda8d990a5" > < td class = "memItemLeft" align = "right" valign = "top" > const vector< DB::entry >   < / td > < td class = "memItemRight" valign = "bottom" > < b > remwharead::search_tags< / b > (const vector< Database::entry > & entries, string expression, const bool is_re)< / td > < / tr >
< tr class = "memdesc:a7965524f3f37affaf24136cda8d990a5" > < td class = "mdescLeft" >   < / td > < td class = "mdescRight" > Search in tags of database entries. < a href = "search_8cpp.html#a7965524f3f37affaf24136cda8d990a5" > More...< / a > < br / > < / td > < / tr >
< tr class = "separator:a7965524f3f37affaf24136cda8d990a5" > < td class = "memSeparator" colspan = "2" >   < / td > < / tr >
< tr class = "memitem:a36cfda137924b8637473ed02172e20e3" > < td class = "memItemLeft" align = "right" valign = "top" > const vector< DB::entry >   < / td > < td class = "memItemRight" valign = "bottom" > < b > remwharead::search_all< / b > (const vector< Database::entry > & entries, string expression, const bool is_re)< / td > < / tr >
< tr class = "memdesc:a36cfda137924b8637473ed02172e20e3" > < td class = "mdescLeft" >   < / td > < td class = "mdescRight" > Search in full text of database entries. < a href = "search_8cpp.html#a36cfda137924b8637473ed02172e20e3" > More...< / a > < br / > < / td > < / tr >
< tr class = "separator:a36cfda137924b8637473ed02172e20e3" > < td class = "memSeparator" colspan = "2" >   < / td > < / tr >
< / table >
< h2 class = "groupheader" > Function Documentation< / h2 >
< a id = "file_ab1373f27c59fc37b1029d395eda05105" > < / a >
< h2 class = "memtitle" > < span class = "permalink" > < a href = "#file_ab1373f27c59fc37b1029d395eda05105" > ◆ < / a > < / span > parse_expression()< / h2 >
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< td class = "memname" > const vector< vector< string > > remwharead::parse_expression < / td >
< td > (< / td >
< td class = "paramtype" > string  < / td >
< td class = "paramname" > < em > expression< / em > < / td > < td > )< / td >
< td > < / td >
< / tr >
< / table >
< / div > < div class = "memdoc" >
< p > Split expression in subexpressions. < / p >
< p > First it splits at < code > OR< / code > or < code > ||< / code > , then it splits the subexpressions at < code > AND< / code > or < code > & & < / code > . The first vector contains all tags before the first < code > OR< / code > .< / p >
< dl class = "section return" > < dt > Returns< / dt > < dd > Vector of < code > OR< / code > -vectors of < code > AND< / code > -tags. < / dd > < / dl >
< div class = "fragment" > < div class = "line" > < a name = "l00032" > < / a > < span class = "lineno" > 32< / span >   {< / div > < div class = "line" > < a name = "l00033" > < / a > < span class = "lineno" > 33< / span >   vector< vector< string> > searchlist;< / div > < div class = "line" > < a name = "l00034" > < / a > < span class = "lineno" > 34< / span >   < span class = "keyword" > const< / span > regex re_or(< span class = "stringliteral" > " (.+?) (OR|\\|\\|) " < / span > );< / div > < div class = "line" > < a name = "l00035" > < / a > < span class = "lineno" > 35< / span >   < span class = "keyword" > const< / span > regex re_and(< span class = "stringliteral" > " (.+?) (AND|& & ) " < / span > );< / div > < div class = "line" > < a name = "l00036" > < / a > < span class = "lineno" > 36< / span >   smatch match;< / div > < div class = "line" > < a name = "l00037" > < / a > < span class = "lineno" > 37< / span >   < / div > < div class = "line" > < a name = "l00038" > < / a > < span class = "lineno" > 38< / span >   vector< string> subexpressions;< / div > < div class = "line" > < a name = "l00039" > < / a > < span class = "lineno" > 39< / span >   { < span class = "comment" > // Split expression at OR.< / span > < / div > < div class = "line" > < a name = "l00040" > < / a > < span class = "lineno" > 40< / span >   < span class = "keywordflow" > while< / span > (regex_search(expression, match, re_or))< / div > < div class = "line" > < a name = "l00041" > < / a > < span class = "lineno" > 41< / span >   {< / div > < div class = "line" > < a name = "l00042" > < / a > < span class = "lineno" > 42< / span >   subexpressions.push_back(match[1].str());< / div > < div class = "line" > < a name = "l00043" > < / a > < span class = "lineno" > 43< / span >   expression = match.suffix().str();< / div > < div class = "line" > < a name = "l00044" > < / a > < span class = "lineno" > 44< / span >   }< / div > < div class = "line" > < a name = "l00045" > < / a > < span class = "lineno" > 45< / span >   subexpressions.push_back(expression);< / div > < div class = "line" > < a name = "l00046" > < / a > < span class = "lineno" > 46< / span >   }< / div > < div class = "line" > < a name = "l00047" > < / a > < span class = "lineno" > 47< / span >   < / div > < div class = "line" > < a name = "l00048" > < / a > < span class = "lineno" > 48< / span >   {< / div > < div class = "line" > < a name = "l00049" > < / a > < span class = "lineno" > 49< / span >   < span class = "keywordflow" > for< / span > (< span class = "keywordtype" > string< / span > sub : subexpressions)< / div > < div class = "line" > < a name = "l00050" > < / a > < span class = "lineno" > 50< / span >   { < span class = "comment" > // Split each OR-slice at AND.< / span > < / div > < div class = "line" > < a name = "l00051" > < / a > < span class = "lineno" > 51< / span >   vector< string> terms;< / div > < div class = "line" > < a name = "l00052" > < / a > < span class = "lineno" > 52< / span >   < span class = "keywordflow" > while< / span > (regex_search(sub, match, re_and))< / div > < div class = "line" > < a name = "l00053" > < / a > < span class = "lineno" > 53< / span >   {< / div > < div class = "line" > < a name = "l00054" > < / a > < span class = "lineno" > 54< / span >   terms.push_back(to_lowercase(match[1].str()));< / div > < div class = "line" > < a name = "l00055" > < / a > < span class = "lineno" > 55< / span >   sub = match.suffix().str();< / div > < div class = "line" > < a name = "l00056" > < / a > < span class = "lineno" > 56< / span >   }< / div > < div class = "line" > < a name = "l00057" > < / a > < span class = "lineno" > 57< / span >   terms.push_back(to_lowercase(sub));< / div > < div class = "line" > < a name = "l00058" > < / a > < span class = "lineno" > 58< / span >   searchlist.push_back(terms);< / div > < div class = "line" > < a name = "l00059" > < / a > < span class = "lineno" > 59< / span >   }< / div > < div class = "line" > < a name = "l00060" > < / a > < span class = "lineno" > 60< / span >   }< / div > < div class = "line" > < a name = "l00061" > < / a > < span class = "lineno" > 61< / span >   < / div > < div class = "line" > < a name = "l00062" > < / a > < span class = "lineno" > 62< / span >   < span class = "keywordflow" > return< / span > searchlist;< / div > < div class = "line" > < a name = "l00063" > < / a > < span class = "
< / div >
< / div >
< a id = "file_a36cfda137924b8637473ed02172e20e3" > < / a >
< h2 class = "memtitle" > < span class = "permalink" > < a href = "#file_a36cfda137924b8637473ed02172e20e3" > ◆ < / a > < / span > search_all()< / h2 >
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< td class = "memname" > const vector< Database::entry > remwharead::search_all < / td >
< td > (< / td >
< td class = "paramtype" > const vector< < a class = "el" href = "structremwharead_1_1Database_1_1entry.html" > Database::entry< / a > > &   < / td >
< td class = "paramname" > < em > entries< / em > , < / td >
< / tr >
< tr >
< td class = "paramkey" > < / td >
< td > < / td >
< td class = "paramtype" > string  < / td >
< td class = "paramname" > < em > expression< / em > , < / td >
< / tr >
< tr >
< td class = "paramkey" > < / td >
< td > < / td >
< td class = "paramtype" > const bool  < / td >
< td class = "paramname" > < em > is_re< / em >   < / td >
< / tr >
< tr >
< td > < / td >
< td > )< / td >
< td > < / td > < td > < / td >
< / tr >
< / table >
< / div > < div class = "memdoc" >
< p > Search in full text of database entries. < / p >
< p > Searches in tags, title, description and full text.< / p >
< dl class = "params" > < dt > Parameters< / dt > < dd >
< table class = "params" >
< tr > < td class = "paramname" > entries< / td > < td > Vector of Database::entry to search. < / td > < / tr >
< tr > < td class = "paramname" > expression< / td > < td > Search expression. < / td > < / tr >
< tr > < td class = "paramname" > is_re< / td > < td > Is it a regular expression?< / td > < / tr >
< / table >
< / dd >
< / dl >
< dl class = "section return" > < dt > Returns< / dt > < dd > Vector of matching Database::entry. < / dd > < / dl >
< div class = "fragment" > < div class = "line" > < a name = "l00119" > < / a > < span class = "lineno" > 119< / span >   {< / div > < div class = "line" > < a name = "l00120" > < / a > < span class = "lineno" > 120< / span >   vector< vector< string> > searchlist = parse_expression(expression);< / div > < div class = "line" > < a name = "l00121" > < / a > < span class = "lineno" > 121< / span >   vector< DB::entry> result = search_tags(entries, expression, is_re);< / div > < div class = "line" > < a name = "l00122" > < / a > < span class = "lineno" > 122< / span >   < / div > < div class = "line" > < a name = "l00123" > < / a > < span class = "lineno" > 123< / span >   < span class = "keywordflow" > for< / span > (< span class = "keyword" > const< / span > vector< string> & terms_or : searchlist)< / div > < div class = "line" > < a name = "l00124" > < / a > < span class = "lineno" > 124< / span >   {< / div > < div class = "line" > < a name = "l00125" > < / a > < span class = "lineno" > 125< / span >   < span class = "keywordflow" > for< / span > (< span class = "keyword" > const< / span > DB::entry & entry : entries)< / div > < div class = "line" > < a name = "l00126" > < / a > < span class = "lineno" > 126< / span >   {< / div > < div class = "line" > < a name = "l00127" > < / a > < span class = "lineno" > 127< / span >   < span class = "comment" > // Add entry to result if all terms in an OR-slice match title,< / span > < / div > < div class = "line" > < a name = "l00128" > < / a > < span class = "lineno" > 128< / span >   < span class = "comment" > // description or full text.< / span > < / div > < div class = "line" > < a name = "l00129" > < / a > < span class = "lineno" > 129< / span >   < span class = "keywordtype" > bool< / span > matched_title = < span class = "keyword" > true< / span > ;< / div > < div class = "line" > < a name = "l00130" > < / a > < span class = "lineno" > 130< / span >   < span class = "keywordtype" > bool< / span > matched_description = < span class = "keyword" > true< / span > ;< / div > < div class = "line" > < a name = "l00131" > < / a > < span class = "lineno" > 131< / span >   < span class = "keywordtype" > bool< / span > matched_fulltext = < span class = "keyword" > true< / span > ;< / div > < div class = "line" > < a name = "l00132" > < / a > < span class = "lineno" > 132< / span >   < / div > < div class = "line" > < a name = "l00133" > < / a > < span class = "lineno" > 133< / span >   < span class = "keyword" > const< / span > < span class = "keyword" > auto< / span > it = find(result.begin(), result.end(), entry);< / div > < div class = "line" > < a name = "l00134" > < / a > < span class = "lineno" > 134< / span >   < span class = "keywordflow" > if< / span > (it != result.end())< / div > < div class = "line" > < a name = "l00135" > < / a > < span class = "lineno" > 135< / span >   { < span class = "comment" > // Skip if already in result list.< / span > < / div > < div class = "line" > < a name = "l00136" > < / a > < span class = "lineno" > 136< / span >   < span class = "keywordflow" > continue< / span > ;< / div > < div class = "line" > < a name = "l00137" > < / a > < span class = "lineno" > 137< / span >   }< / div > < div class = "line" > < a name = "l00138" > < / a > < span class = "lineno" > 138< / span >   < / div > < div class = "line" > < a name = "l00139" > < / a > < span class = "lineno" > 139< / span >   < span class = "keywordflow" > for< / span > (< span class = "keyword" > const< / span > < span class = "keywordtype" > string< / span > & term : terms_or)< / div > < div class = "line" > < a name = "l00140" > < / a > < span class = "lineno" > 140< / span >   {< / div > < div class = "line" > < a name = "l00141" > < / a > < span class = "lineno" > 141< / span >   < span class = "keyword" > const< / span > < span class = "keywordtype" > string< / span > title = to_lowercase(entry.title);< / div > < div class = "line" > < a name = "l00142" > < / a > < span class = "lineno" > 142< / span >   < span class = "keyword" > const< / span > < span class = "keywordtype" > string< / span > description = to_lowercase(entry.description);< / div > < div class = "line" > < a name = "l00143" > < / a > < span class = "lineno" > 143< / span >   < span class = "keyword" > const< / span > < span class = "keywordtype" > string< / span > fulltext = to_lowercase(entry.fulltext);< / div > < div class = "line" > < a name = "l00144" > < / a > < span class = "lineno" > 144< / span >   <
< / div >
< / div >
< a id = "file_a7965524f3f37affaf24136cda8d990a5" > < / a >
< h2 class = "memtitle" > < span class = "permalink" > < a href = "#file_a7965524f3f37affaf24136cda8d990a5" > ◆ < / a > < / span > search_tags()< / h2 >
< div class = "memitem" >
< div class = "memproto" >
< table class = "memname" >
< tr >
< td class = "memname" > const vector< Database::entry > remwharead::search_tags < / td >
< td > (< / td >
< td class = "paramtype" > const vector< < a class = "el" href = "structremwharead_1_1Database_1_1entry.html" > Database::entry< / a > > &   < / td >
< td class = "paramname" > < em > entries< / em > , < / td >
< / tr >
< tr >
< td class = "paramkey" > < / td >
< td > < / td >
< td class = "paramtype" > string  < / td >
< td class = "paramname" > < em > expression< / em > , < / td >
< / tr >
< tr >
< td class = "paramkey" > < / td >
< td > < / td >
< td class = "paramtype" > const bool  < / td >
< td class = "paramname" > < em > is_re< / em >   < / td >
< / tr >
< tr >
< td > < / td >
< td > )< / td >
< td > < / td > < td > < / td >
< / tr >
< / table >
< / div > < div class = "memdoc" >
< p > Search in tags of database entries. < / p >
< p > Only matches whole tags, < em > Pill< / em > does not match < em > Pillow< / em > .< / p >
< dl class = "params" > < dt > Parameters< / dt > < dd >
< table class = "params" >
< tr > < td class = "paramname" > entries< / td > < td > Vector of Database::entry to search. < / td > < / tr >
< tr > < td class = "paramname" > expression< / td > < td > Search expression. < / td > < / tr >
< tr > < td class = "paramname" > is_re< / td > < td > Is it a regular expression?< / td > < / tr >
< / table >
< / dd >
< / dl >
< dl class = "section return" > < dt > Returns< / dt > < dd > Vector of matching Database::entry. < / dd > < / dl >
< div class = "fragment" > < div class = "line" > < a name = "l00075" > < / a > < span class = "lineno" > 75< / span >   {< / div > < div class = "line" > < a name = "l00076" > < / a > < span class = "lineno" > 76< / span >   vector< vector< string> > searchlist = parse_expression(expression);< / div > < div class = "line" > < a name = "l00077" > < / a > < span class = "lineno" > 77< / span >   vector< DB::entry> result;< / div > < div class = "line" > < a name = "l00078" > < / a > < span class = "lineno" > 78< / span >   < / div > < div class = "line" > < a name = "l00079" > < / a > < span class = "lineno" > 79< / span >   < span class = "keywordflow" > for< / span > (< span class = "keyword" > const< / span > vector< string> & tags_or : searchlist)< / div > < div class = "line" > < a name = "l00080" > < / a > < span class = "lineno" > 80< / span >   {< / div > < div class = "line" > < a name = "l00081" > < / a > < span class = "lineno" > 81< / span >   < span class = "keywordflow" > for< / span > (< span class = "keyword" > const< / span > DB::entry & entry : entries)< / div > < div class = "line" > < a name = "l00082" > < / a > < span class = "lineno" > 82< / span >   { < span class = "comment" > // Add entry to result if all tags in an OR-slice match.< / span > < / div > < div class = "line" > < a name = "l00083" > < / a > < span class = "lineno" > 83< / span >   < span class = "keywordtype" > bool< / span > matched = < span class = "keyword" > true< / span > ;< / div > < div class = "line" > < a name = "l00084" > < / a > < span class = "lineno" > 84< / span >   < / div > < div class = "line" > < a name = "l00085" > < / a > < span class = "lineno" > 85< / span >   < span class = "keywordflow" > for< / span > (< span class = "keyword" > const< / span > < span class = "keywordtype" > string< / span > & tag : tags_or)< / div > < div class = "line" > < a name = "l00086" > < / a > < span class = "lineno" > 86< / span >   {< / div > < div class = "line" > < a name = "l00087" > < / a > < span class = "lineno" > 87< / span >   < span class = "keyword" > const< / span > < span class = "keyword" > auto< / span > it = find_if(< / div > < div class = "line" > < a name = "l00088" > < / a > < span class = "lineno" > 88< / span >   entry.tags.begin(), entry.tags.end(),< / div > < div class = "line" > < a name = "l00089" > < / a > < span class = "lineno" > 89< / span >   [& tag, is_re](< span class = "keywordtype" > string< / span > s)< / div > < div class = "line" > < a name = "l00090" > < / a > < span class = "lineno" > 90< / span >   {< / div > < div class = "line" > < a name = "l00091" > < / a > < span class = "lineno" > 91< / span >   s = to_lowercase(s);< / div > < div class = "line" > < a name = "l00092" > < / a > < span class = "lineno" > 92< / span >   < span class = "keywordflow" > if< / span > (is_re)< / div > < div class = "line" > < a name = "l00093" > < / a > < span class = "lineno" > 93< / span >   {< / div > < div class = "line" > < a name = "l00094" > < / a > < span class = "lineno" > 94< / span >   < span class = "keyword" > const< / span > regex re(< span class = "stringliteral" > " ^" < / span > + tag + < span class = "stringliteral" > " $" < / span > );< / div > < div class = "line" > < a name = "l00095" > < / a > < span class = "lineno" > 95< / span >   < span class = "keywordflow" > return< / span > regex_search(s, re);< / div > < div class = "line" > < a name = "l00096" > < / a > < span class = "lineno" > 96< / span >   }< / div > < div class = "line" > < a name = "l00097" > < / a > < span class = "lineno" > 97< / span >   < span class = "keywordflow" > else< / span > < / div > < div class = "line" > < a name = "l00098" > < / a > < span class = "lineno" > 98< / span >   {< / div > < div class = "line" > < a name = "l00099" > < / a > < span class = "lineno" > 99< / span >   < span class = "keywordflow" > return< / span > (s == tag);< / div > < div class = "line" > < a name = "l00100" > < / a > < span class = "lineno" > 100< / span >   }< / div > < div class = "line" > < a name = "l00101" > < / a > < span class = "lineno" > 101< / span >   });< / div > < div class = "line" > < a name = "l00102" > < / a > < span class = "lineno" > 102< / span >  
< / div >
< / div >
< a id = "file_a52e92aaab9151b3ce39dc3a6b8cb6b92" > < / a >
< h2 class = "memtitle" > < span class = "permalink" > < a href = "#file_a52e92aaab9151b3ce39dc3a6b8cb6b92" > ◆ < / a > < / span > to_lowercase()< / h2 >
< div class = "memitem" >
< div class = "memproto" >
< table class = "memname" >
< tr >
< td class = "memname" > const string remwharead::to_lowercase < / td >
< td > (< / td >
< td class = "paramtype" > const string &   < / td >
< td class = "paramname" > < em > str< / em > < / td > < td > )< / td >
< td > < / td >
< / tr >
< / table >
< / div > < div class = "memdoc" >
< p > Convert str to lowercase. Works with unicode. < / p >
< div class = "fragment" > < div class = "line" > < a name = "l00066" > < / a > < span class = "lineno" > 66< / span >   {< / div > < div class = "line" > < a name = "l00067" > < / a > < span class = "lineno" > 67< / span >   icu::UnicodeString uni(str.c_str());< / div > < div class = "line" > < a name = "l00068" > < / a > < span class = "lineno" > 68< / span >   < span class = "keywordtype" > string< / span > out;< / div > < div class = "line" > < a name = "l00069" > < / a > < span class = "lineno" > 69< / span >   uni.toLower().toUTF8String(out);< / div > < div class = "line" > < a name = "l00070" > < / a > < span class = "lineno" > 70< / span >   < span class = "keywordflow" > return< / span > out;< / div > < div class = "line" > < a name = "l00071" > < / a > < span class = "lineno" > 71< / span >   }< / div > < / div > <!-- fragment -->
< / div >
< / div >
< / div > <!-- contents -->
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< / a > 1.8.14
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