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https://github.com/jezhiggins/arabica
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Use boost::bind instead of our own binder class.
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jez_higgins
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commit
e094a4a8b4
1 changed files with 30 additions and 44 deletions
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@ -2,6 +2,7 @@
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#define saxgarden_h
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#include <boost/spirit.hpp>
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#include <boost/bind.hpp>
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#include <vector>
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#include <string>
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#include <stack>
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@ -72,23 +73,6 @@ private:
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void hexCharacterRef(iterator_t s, iterator_t e);
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void characterRef(iterator_t s, iterator_t e, int base);
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typedef void(Garden<string_type>::* xmlp_fn)(iterator_t s, iterator_t e);
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class binder
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{
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public:
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binder(Garden* p, xmlp_fn f) : p_(p), fn_(f) { }
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void operator()(iterator_t str, iterator_t end) const
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{
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(p_->*fn_)(str, end);
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} // operator()
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private:
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Garden* p_;
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xmlp_fn fn_;
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}; // class binder
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// Start grammar definition
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rule_t prolog, element, Misc, Reference,
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CDSect, CDStart, CData, CDEnd,
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@ -97,7 +81,7 @@ private:
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VersionNum, Eq, EmptyElemTag, STag, content, ETag, Attribute,
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AttValue, CharData, Comment,
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CharRef, EntityRef, EncName, document_,
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Name, Comment1, S;
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Name, Comment1, Spaces;
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stringT str(iterator_t s, iterator_t e, int trim = 0);
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@ -131,8 +115,8 @@ Garden<string_type>::Garden() :
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// characters
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chset_t Char("\x9\xA\xD\x20-\xFF");
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chset_t Sch("\x20\x9\xD\xA");
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S = +(Sch);
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chset_t SpaceChar("\x20\x9\xD\xA");
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Spaces = +(SpaceChar);
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chset_t Letter("\x41-\x5A\x61-\x7A\xC0-\xD6\xD8-\xF6\xF8-\xFF");
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chset_t Digit("0-9");
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chlit_t Extender('\xB7');
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@ -142,55 +126,57 @@ Garden<string_type>::Garden() :
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document_ = prolog >> element >> *Misc;
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chset_t CharDataChar (boost::spirit::anychar_p - (chset_t('<') | chset_t('&')));
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CharData = (*(CharDataChar - boost::spirit::str_p("]]>")))[binder(this, &Garden<string_type>::elementContent)];
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CharData = (*(CharDataChar - boost::spirit::str_p("]]>")))[boost::bind(&Garden<string_type>::elementContent, this, _1, _2)];
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// Section 2.5 - Comments
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Comment = boost::spirit::str_p("<!--") >> Comment1 >> boost::spirit::str_p("-->");
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Comment1 = *((Char - boost::spirit::ch_p('-')) | (boost::spirit::ch_p('-') >> (Char - boost::spirit::ch_p('-'))));
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// Section 2.6 - Processing Instructions
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PI = boost::spirit::str_p("<?") >> (PITarget)[binder(this, &Garden<string_type>::piTarget)] >> !S >> (PIData)[binder(this, &Garden<string_type>::piData)] >> (boost::spirit::str_p("?>"))[binder(this, &Garden<string_type>::piEnd)];
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PITarget = Name - boost::spirit::as_lower_d[(boost::spirit::str_p("xml"))];
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PIData = !(!S >> (*(Char - boost::spirit::str_p("?>"))));
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PI = boost::spirit::str_p("<?") >> (PITarget)[boost::bind(&Garden<string_type>::piTarget, this, _1, _2)] >> !Spaces >> (PIData)[boost::bind(&Garden<string_type>::piData, this, _1, _2)] >> (boost::spirit::str_p("?>"))[boost::bind(&Garden<string_type>::piEnd, this, _1, _2)];
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PITarget = Name - boost::spirit::as_lower_d[boost::spirit::str_p("xml")];
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PIData = !(!Spaces >> (*(Char - boost::spirit::str_p("?>"))));
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// Section 2.7 - CDATA
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CDSect = CDStart >> (CData)[binder(this, &Garden<string_type>::elementContent)] >> CDEnd;
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CDSect = CDStart >> (CData)[boost::bind(&Garden<string_type>::elementContent, this, _1, _2)] >> CDEnd;
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CDStart = boost::spirit::str_p("<![CDATA[");
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CData = *(Char - boost::spirit::str_p("]]>"));
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CDEnd = boost::spirit::str_p("]]>");
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// bits before the root elemenet
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prolog = !XMLDecl >> *Misc >> !(doctypedecl >> *Misc);
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XMLDecl = boost::spirit::str_p("<?xml") >> VersionInfo >> !EncodingDecl >> !SDDecl >> !S >> boost::spirit::str_p("?>");
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VersionInfo = S >> boost::spirit::str_p("version") >> Eq >> (boost::spirit::ch_p('\'') >> VersionNum >>'\''
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XMLDecl = boost::spirit::str_p("<?xml") >> VersionInfo >> !EncodingDecl >> !SDDecl >> !Spaces >> boost::spirit::str_p("?>");
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VersionInfo = Spaces >> boost::spirit::str_p("version") >> Eq >> (boost::spirit::ch_p('\'') >> VersionNum >>'\''
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| boost::spirit::ch_p('"') >> VersionNum >> '"');
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Eq = !S >> '=' >> !S;
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chset_t VersionNumCh("A-Za-z0-9_.:-");
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VersionNum = +(VersionNumCh);
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Misc = Comment | S | PI;
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doctypedecl = boost::spirit::str_p("<!DOCTYPE") >> *(Char - (chset_t('[') | '>')) >> !('[' >> *(Char - ']') >> ']') >> '>';
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SDDecl = S >> boost::spirit::str_p("standalone") >> Eq >> ((boost::spirit::ch_p('\'') >> (boost::spirit::str_p("yes") | boost::spirit::str_p("no")) >> '\'')
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SDDecl = Spaces >> boost::spirit::str_p("standalone") >> Eq >> ((boost::spirit::ch_p('\'') >> (boost::spirit::str_p("yes") | boost::spirit::str_p("no")) >> '\'')
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| (boost::spirit::ch_p('"') >> (boost::spirit::str_p("yes") | boost::spirit::str_p("no")) >> '"'));
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element = STag >> (EmptyElemTag | (boost::spirit::str_p(">"))[binder(this, &Garden<string_type>::closeElement)] >> content >> ETag);
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STag = '<' >> (Name)[binder(this, &Garden<string_type>::openElement)] >> *(S >> Attribute) >> !S;
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Attribute = (Name)[binder(this, &Garden<string_type>::attributeName)] >> Eq >> AttValue;
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EmptyElemTag = (boost::spirit::str_p("/>"))[binder(this, &Garden<string_type>::closeEmptyElement)];
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ETag = (boost::spirit::str_p("</") >> (Name)[binder(this, &Garden<string_type>::endElementName)] >> !S >> '>')[binder(this, &Garden<string_type>::endElement)];
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// odd bits
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Eq = !Spaces >> '=' >> !Spaces;
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Misc = Comment | Spaces | PI;
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AttValue = '"' >> (*((boost::spirit::anychar_p - (chset_t('<') | '&' | '"')) | Reference))[binder(this, &Garden<string_type>::attributeValue)] >> '"'
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| '\'' >> (*((boost::spirit::anychar_p - (chset_t('<') | '&' | '\'')) | Reference))[binder(this, &Garden<string_type>::attributeValue)] >> '\'';
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// Elements
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element = STag >> (EmptyElemTag | (boost::spirit::str_p(">"))[boost::bind(&Garden<string_type>::closeElement, this, _1, _2)] >> content >> ETag);
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STag = '<' >> (Name)[boost::bind(&Garden<string_type>::openElement, this, _1, _2)] >> *(Spaces >> Attribute) >> !Spaces;
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Attribute = (Name)[boost::bind(&Garden<string_type>::attributeName, this, _1, _2)] >> Eq >> AttValue;
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EmptyElemTag = (boost::spirit::str_p("/>"))[boost::bind(&Garden<string_type>::closeEmptyElement, this, _1, _2)];
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ETag = (boost::spirit::str_p("</") >> (Name)[boost::bind(&Garden<string_type>::endElementName, this, _1, _2)] >> !Spaces >> '>')[boost::bind(&Garden<string_type>::endElement, this, _1, _2)];
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AttValue = '"' >> (*((boost::spirit::anychar_p - (chset_t('<') | '&' | '"')) | Reference))[boost::bind(&Garden<string_type>::attributeValue, this, _1, _2)] >> '"'
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| '\'' >> (*((boost::spirit::anychar_p - (chset_t('<') | '&' | '\'')) | Reference))[boost::bind(&Garden<string_type>::attributeValue, this, _1, _2)] >> '\'';
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content = !CharData >> *((element | Reference | CDSect | Comment | PI) >> !CharData);
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// Section 4.1 - Character and entity references
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CharRef = boost::spirit::str_p("&#") >> (+boost::spirit::digit_p >> ';')[binder(this, &Garden<string_type>::decimalCharacterRef)] |
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boost::spirit::str_p("&#x") >> (+boost::spirit::xdigit_p >> ';')[binder(this, &Garden<string_type>::hexCharacterRef)];
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CharRef = boost::spirit::str_p("&#") >> (+boost::spirit::digit_p >> ';')[boost::bind(&Garden<string_type>::decimalCharacterRef, this, _1, _2)] |
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boost::spirit::str_p("&#x") >> (+boost::spirit::xdigit_p >> ';')[boost::bind(&Garden<string_type>::hexCharacterRef, this, _1, _2)];
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Reference = EntityRef | CharRef;
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EntityRef = '&' >> (Name >> boost::spirit::ch_p(';'))[binder(this, &Garden<string_type>::entityRef)];
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EntityRef = '&' >> (Name >> boost::spirit::ch_p(';'))[boost::bind(&Garden<string_type>::entityRef, this, _1, _2)];
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EncodingDecl = S >> boost::spirit::str_p("encoding") >> Eq >> (boost::spirit::ch_p('"') >> EncName >> '"' |
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EncodingDecl = Spaces >> boost::spirit::str_p("encoding") >> Eq >> (boost::spirit::ch_p('"') >> EncName >> '"' |
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boost::spirit::ch_p('\'') >> EncName >> '\'');
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chset_t EncNameCh = VersionNumCh - chset_t(':');
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EncName = boost::spirit::alpha_p >> *(EncNameCh);
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