| /*============================================================================= |
| Copyright (c) 2002 2004 2006 Joel de Guzman |
| Copyright (c) 2004 Eric Niebler |
| http://spirit.sourceforge.net/ |
| |
| Use, modification and distribution is subject to the Boost Software |
| License, Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at |
| http://www.boost.org/LICENSE_1_0.txt) |
| =============================================================================*/ |
| #if !defined(BOOST_SPIRIT_QUICKBOOK_PHRASE_HPP) |
| #define BOOST_SPIRIT_QUICKBOOK_PHRASE_HPP |
| |
| #include "detail/utils.hpp" |
| #include <boost/spirit/include/classic_core.hpp> |
| #include <boost/spirit/include/classic_confix.hpp> |
| #include <boost/spirit/include/classic_chset.hpp> |
| #include <boost/spirit/include/classic_assign_actor.hpp> |
| #include <boost/spirit/include/classic_if.hpp> |
| |
| namespace quickbook |
| { |
| using namespace boost::spirit::classic; |
| |
| template <typename Rule, typename Action> |
| inline void |
| simple_markup( |
| Rule& simple |
| , char mark |
| , Action const& action |
| , Rule const& close |
| ) |
| { |
| simple = |
| mark >> |
| ( |
| ( |
| graph_p // A single char. e.g. *c* |
| >> eps_p(mark |
| >> (space_p | punct_p | end_p)) |
| // space_p, punct_p or end_p |
| ) // must follow mark |
| | |
| ( graph_p >> // graph_p must follow mark |
| *(anychar_p - |
| ( (graph_p >> mark) // Make sure that we don't go |
| | close // past a single block |
| ) |
| ) >> graph_p // graph_p must precede mark |
| >> eps_p(mark |
| >> (space_p | punct_p | end_p)) |
| // space_p, punct_p or end_p |
| ) // must follow mark |
| ) [action] |
| >> mark |
| ; |
| } |
| |
| template <typename Actions> |
| struct phrase_grammar : grammar<phrase_grammar<Actions> > |
| { |
| phrase_grammar(Actions& actions, bool& no_eols) |
| : no_eols(no_eols), actions(actions) {} |
| |
| template <typename Scanner> |
| struct definition |
| { |
| definition(phrase_grammar const& self) |
| { |
| using detail::var; |
| Actions& actions = self.actions; |
| |
| space = |
| *(space_p | comment) |
| ; |
| |
| blank = |
| *(blank_p | comment) |
| ; |
| |
| eol = blank >> eol_p |
| ; |
| |
| phrase_end = |
| ']' | |
| if_p(var(self.no_eols)) |
| [ |
| eol >> eol // Make sure that we don't go |
| ] // past a single block, except |
| ; // when preformatted. |
| |
| hard_space = |
| (eps_p - (alnum_p | '_')) >> space // must not be preceded by |
| ; // alpha-numeric or underscore |
| |
| comment = |
| "[/" >> *(dummy_block | (anychar_p - ']')) >> ']' |
| ; |
| |
| dummy_block = |
| '[' >> *(dummy_block | (anychar_p - ']')) >> ']' |
| ; |
| |
| common = |
| macro |
| | phrase_markup |
| | code_block |
| | inline_code |
| | simple_format |
| | escape |
| | comment |
| ; |
| |
| macro = |
| eps_p(actions.macro // must not be followed by |
| >> (eps_p - (alpha_p | '_'))) // alpha or underscore |
| >> actions.macro [actions.do_macro] |
| ; |
| |
| template_args = |
| template_arg [push_back_a(actions.template_info)] |
| >> *( |
| ".." >> template_arg [push_back_a(actions.template_info)] |
| ) |
| ; |
| |
| static const bool true_ = true; |
| static const bool false_ = false; |
| |
| template_ = |
| ( |
| ch_p('`') [assign_a(actions.template_escape,true_)] |
| | |
| eps_p [assign_a(actions.template_escape,false_)] |
| ) |
| >> |
| ( ( |
| (eps_p(punct_p) |
| >> actions.templates.scope |
| ) [push_back_a(actions.template_info)] |
| >> !template_args |
| ) | ( |
| (actions.templates.scope |
| >> eps_p |
| ) [push_back_a(actions.template_info)] |
| >> !(hard_space |
| >> template_args) |
| ) ) |
| >> eps_p(']') |
| ; |
| |
| brackets = |
| '[' >> +template_arg >> ']' |
| ; |
| |
| template_arg = |
| +(brackets | (anychar_p - (str_p("..") | ']'))) |
| ; |
| |
| inline_code = |
| '`' >> |
| ( |
| *(anychar_p - |
| ( '`' |
| | (eol >> eol) // Make sure that we don't go |
| ) // past a single block |
| ) >> eps_p('`') |
| ) [actions.inline_code] |
| >> '`' |
| ; |
| |
| code_block = |
| ( |
| "```" >> |
| ( |
| *(anychar_p - "```") |
| >> eps_p("```") |
| ) [actions.code_block] |
| >> "```" |
| ) |
| | ( |
| "``" >> |
| ( |
| *(anychar_p - "``") |
| >> eps_p("``") |
| ) [actions.code_block] |
| >> "``" |
| ) |
| ; |
| |
| simple_format = |
| simple_bold |
| | simple_italic |
| | simple_underline |
| | simple_teletype |
| ; |
| |
| simple_markup(simple_bold, |
| '*', actions.simple_bold, phrase_end); |
| simple_markup(simple_italic, |
| '/', actions.simple_italic, phrase_end); |
| simple_markup(simple_underline, |
| '_', actions.simple_underline, phrase_end); |
| simple_markup(simple_teletype, |
| '=', actions.simple_teletype, phrase_end); |
| |
| phrase = |
| *( common |
| | comment |
| | (anychar_p - phrase_end) [actions.plain_char] |
| ) |
| ; |
| |
| phrase_markup = |
| '[' |
| >> ( cond_phrase |
| | image |
| | url |
| | link |
| | anchor |
| | source_mode |
| | funcref |
| | classref |
| | memberref |
| | enumref |
| | macroref |
| | headerref |
| | conceptref |
| | globalref |
| | bold |
| | italic |
| | underline |
| | teletype |
| | strikethrough |
| | quote |
| | replaceable |
| | footnote |
| | template_ [actions.do_template] |
| | str_p("br") [actions.break_] |
| ) |
| >> ']' |
| ; |
| |
| escape = |
| str_p("\\n") [actions.break_] |
| | "\\ " // ignore an escaped char |
| | '\\' >> punct_p [actions.raw_char] |
| | ( |
| ("'''" >> !eol) [actions.escape_pre] |
| >> *(anychar_p - "'''") [actions.raw_char] |
| >> str_p("'''") [actions.escape_post] |
| ) |
| ; |
| |
| macro_identifier = |
| +(anychar_p - (space_p | ']')) |
| ; |
| |
| cond_phrase = |
| '?' >> blank |
| >> macro_identifier [actions.cond_phrase_pre] |
| >> (!phrase) [actions.cond_phrase_post] |
| ; |
| |
| image = |
| '$' >> blank |
| >> (*(anychar_p - |
| phrase_end)) [actions.image] |
| ; |
| |
| url = |
| '@' |
| >> (*(anychar_p - |
| (']' | hard_space))) [actions.url_pre] |
| >> ( eps_p(']') |
| | (hard_space >> phrase) |
| ) [actions.url_post] |
| ; |
| |
| link = |
| "link" >> hard_space |
| >> (*(anychar_p - |
| (']' | hard_space))) [actions.link_pre] |
| >> ( eps_p(']') |
| | (hard_space >> phrase) |
| ) [actions.link_post] |
| ; |
| |
| anchor = |
| '#' |
| >> blank |
| >> ( *(anychar_p - |
| phrase_end) |
| ) [actions.anchor] |
| ; |
| |
| funcref = |
| "funcref" >> hard_space |
| >> (*(anychar_p - |
| (']' | hard_space))) [actions.funcref_pre] |
| >> ( eps_p(']') |
| | (hard_space >> phrase) |
| ) [actions.funcref_post] |
| ; |
| |
| classref = |
| "classref" >> hard_space |
| >> (*(anychar_p - |
| (']' | hard_space))) [actions.classref_pre] |
| >> ( eps_p(']') |
| | (hard_space >> phrase) |
| ) [actions.classref_post] |
| ; |
| |
| memberref = |
| "memberref" >> hard_space |
| >> (*(anychar_p - |
| (']' | hard_space))) [actions.memberref_pre] |
| >> ( eps_p(']') |
| | (hard_space >> phrase) |
| ) [actions.memberref_post] |
| ; |
| |
| enumref = |
| "enumref" >> hard_space |
| >> (*(anychar_p - |
| (']' | hard_space))) [actions.enumref_pre] |
| >> ( eps_p(']') |
| | (hard_space >> phrase) |
| ) [actions.enumref_post] |
| ; |
| |
| macroref = |
| "macroref" >> hard_space |
| >> (*(anychar_p - |
| (']' | hard_space))) [actions.macroref_pre] |
| >> ( eps_p(']') |
| | (hard_space >> phrase) |
| ) [actions.macroref_post] |
| ; |
| |
| headerref = |
| "headerref" >> hard_space |
| >> (*(anychar_p - |
| (']' | hard_space))) [actions.headerref_pre] |
| >> ( eps_p(']') |
| | (hard_space >> phrase) |
| ) [actions.headerref_post] |
| ; |
| |
| conceptref = |
| "conceptref" >> hard_space |
| >> (*(anychar_p - |
| (']' | hard_space))) [actions.conceptref_pre] |
| >> ( eps_p(']') |
| | (hard_space >> phrase) |
| ) [actions.conceptref_post] |
| ; |
| |
| globalref = |
| "globalref" >> hard_space |
| >> (*(anychar_p - |
| (']' | hard_space))) [actions.globalref_pre] |
| >> ( eps_p(']') |
| | (hard_space >> phrase) |
| ) [actions.globalref_post] |
| ; |
| |
| bold = |
| ch_p('*') [actions.bold_pre] |
| >> blank >> phrase [actions.bold_post] |
| ; |
| |
| italic = |
| ch_p('\'') [actions.italic_pre] |
| >> blank >> phrase [actions.italic_post] |
| ; |
| |
| underline = |
| ch_p('_') [actions.underline_pre] |
| >> blank >> phrase [actions.underline_post] |
| ; |
| |
| teletype = |
| ch_p('^') [actions.teletype_pre] |
| >> blank >> phrase [actions.teletype_post] |
| ; |
| |
| strikethrough = |
| ch_p('-') [actions.strikethrough_pre] |
| >> blank >> phrase [actions.strikethrough_post] |
| ; |
| |
| quote = |
| ch_p('"') [actions.quote_pre] |
| >> blank >> phrase [actions.quote_post] |
| ; |
| |
| replaceable = |
| ch_p('~') [actions.replaceable_pre] |
| >> blank >> phrase [actions.replaceable_post] |
| ; |
| |
| source_mode = |
| ( |
| str_p("c++") |
| | "python" |
| | "teletype" |
| ) [assign_a(actions.source_mode)] |
| ; |
| |
| footnote = |
| str_p("footnote") [actions.footnote_pre] |
| >> blank >> phrase [actions.footnote_post] |
| ; |
| } |
| |
| rule<Scanner> space, blank, comment, phrase, phrase_markup, image, |
| phrase_end, bold, italic, underline, teletype, |
| strikethrough, escape, url, common, funcref, classref, |
| memberref, enumref, macroref, headerref, conceptref, globalref, |
| anchor, link, hard_space, eol, inline_code, simple_format, |
| simple_bold, simple_italic, simple_underline, |
| simple_teletype, source_mode, template_, template_arg, |
| quote, code_block, footnote, replaceable, macro, |
| brackets, template_args, dummy_block, cond_phrase, |
| macro_identifier |
| ; |
| |
| rule<Scanner> const& |
| start() const { return common; } |
| }; |
| |
| bool& no_eols; |
| Actions& actions; |
| }; |
| |
| template <typename Actions> |
| struct simple_phrase_grammar |
| : public grammar<simple_phrase_grammar<Actions> > |
| { |
| simple_phrase_grammar(Actions& actions) |
| : actions(actions) {} |
| |
| template <typename Scanner> |
| struct definition |
| { |
| definition(simple_phrase_grammar const& self) |
| : unused(false), common(self.actions, unused) |
| { |
| Actions& actions = self.actions; |
| |
| phrase = |
| *( common |
| | comment |
| | (anychar_p - ']') [actions.plain_char] |
| ) |
| ; |
| |
| comment = |
| "[/" >> *(dummy_block | (anychar_p - ']')) >> ']' |
| ; |
| |
| dummy_block = |
| '[' >> *(dummy_block | (anychar_p - ']')) >> ']' |
| ; |
| } |
| |
| bool unused; |
| rule<Scanner> phrase, comment, dummy_block; |
| phrase_grammar<Actions> common; |
| |
| rule<Scanner> const& |
| start() const { return phrase; } |
| }; |
| |
| Actions& actions; |
| }; |
| } |
| |
| #endif // BOOST_SPIRIT_QUICKBOOK_PHRASE_HPP |
| |
