ceph/src/boost/tools/quickbook/src/state.cpp

   1 /*=============================================================================
   2     Copyright (c) 2002 2004 2006 Joel de Guzman
   3     Copyright (c) 2004 Eric Niebler
   4     Copyright (c) 2005 Thomas Guest
   5     http://spirit.sourceforge.net/
   6
   7     Use, modification and distribution is subject to the Boost Software
   8     License, Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at
   9     http://www.boost.org/LICENSE_1_0.txt)
  10 =============================================================================*/
  11 #include "state.hpp"
  12 #include "state_save.hpp"
  13 #include "document_state.hpp"
  14 #include "quickbook.hpp"
  15 #include "grammar.hpp"
  16 #include "path.hpp"
  17 #include "utils.hpp"
  18 #include "phrase_tags.hpp"
  19 #include <boost/foreach.hpp>
  20
  21 #if (defined(BOOST_MSVC) && (BOOST_MSVC <= 1310))
  22 #pragma warning(disable:4355)
  23 #endif
  24
  25 namespace quickbook
  26 {
  27     char const* quickbook_get_date = "__quickbook_get_date__";
  28     char const* quickbook_get_time = "__quickbook_get_time__";
  29
  30     unsigned qbk_version_n = 0; // qbk_major_version * 100 + qbk_minor_version
  31
  32     state::state(fs::path const& filein_, fs::path const& xinclude_base_,
  33             string_stream& out_, document_state& document_)
  34         : grammar_()
  35
  36         , order_pos(0)
  37         , xinclude_base(xinclude_base_)
  38
  39         , templates()
  40         , error_count(0)
  41         , anchors()
  42         , warned_about_breaks(false)
  43         , conditional(true)
  44         , document(document_)
  45         , callouts()
  46         , callout_depth(0)
  47         , dependencies()
  48         , explicit_list(false)
  49         , strict_mode(false)
  50
  51         , imported(false)
  52         , macro()
  53         , source_mode()
  54         , source_mode_next()
  55         , source_mode_next_pos()
  56         , current_file(0)
  57         , current_path(filein_, 0, filein_.filename())
  58
  59         , template_depth(0)
  60         , min_section_level(1)
  61
  62         , in_list(false)
  63         , in_list_save()
  64         , out(out_)
  65         , phrase()
  66
  67         , values(&current_file)
  68     {
  69         // add the predefined macros
  70         macro.add
  71             ("__DATE__", std::string(quickbook_get_date))
  72             ("__TIME__", std::string(quickbook_get_time))
  73             ("__FILENAME__", std::string())
  74         ;
  75         update_filename_macro();
  76
  77         boost::scoped_ptr<quickbook_grammar> g(
  78             new quickbook_grammar(*this));
  79         grammar_.swap(g);
  80     }
  81
  82     quickbook_grammar& state::grammar() const {
  83         return *grammar_;
  84     }
  85
  86     void state::update_filename_macro() {
  87         *boost::spirit::classic::find(macro, "__FILENAME__")
  88             = detail::encode_string(
  89                     detail::path_to_generic(current_path.abstract_file_path));
  90     }
  91
  92     unsigned state::get_new_order_pos() {
  93         return ++order_pos;
  94     }
  95
  96     void state::push_output() {
  97         out.push();
  98         phrase.push();
  99         in_list_save.push(in_list);
 100     }
 101
 102     void state::pop_output() {
 103         phrase.pop();
 104         out.pop();
 105         in_list = in_list_save.top();
 106         in_list_save.pop();
 107     }
 108
 109     source_mode_info state::tagged_source_mode() const {
 110         source_mode_info result;
 111
 112         BOOST_FOREACH(source_mode_info const& s, tagged_source_mode_stack) {
 113             result.update(s);
 114         }
 115
 116         return result;
 117     }
 118
 119     source_mode_info state::current_source_mode() const {
 120         source_mode_info result = source_mode;
 121
 122         result.update(document.section_source_mode());
 123
 124         BOOST_FOREACH(source_mode_info const& s, tagged_source_mode_stack) {
 125             result.update(s);
 126         }
 127
 128         return result;
 129     }
 130
 131     void state::change_source_mode(source_mode_type s) {
 132         source_mode = source_mode_info(s, get_new_order_pos());
 133     }
 134
 135     void state::push_tagged_source_mode(source_mode_type s) {
 136         tagged_source_mode_stack.push_back(
 137             source_mode_info(s, s ? get_new_order_pos() : 0));
 138     }
 139
 140     void state::pop_tagged_source_mode() {
 141         assert(!tagged_source_mode_stack.empty());
 142         tagged_source_mode_stack.pop_back();
 143     }
 144
 145     state_save::state_save(quickbook::state& state_, scope_flags scope_)
 146         : state(state_)
 147         , scope(scope_)
 148         , qbk_version(qbk_version_n)
 149         , imported(state.imported)
 150         , current_file(state.current_file)
 151         , current_path(state.current_path)
 152         , xinclude_base(state.xinclude_base)
 153         , source_mode(state.source_mode)
 154         , macro()
 155         , template_depth(state.template_depth)
 156         , min_section_level(state.min_section_level)
 157     {
 158         if (scope & scope_macros) macro = state.macro;
 159         if (scope & scope_templates) state.templates.push();
 160         if (scope & scope_output) {
 161             state.push_output();
 162         }
 163         state.values.builder.save();
 164     }
 165
 166     state_save::~state_save()
 167     {
 168         state.values.builder.restore();
 169         boost::swap(qbk_version_n, qbk_version);
 170         boost::swap(state.imported, imported);
 171         boost::swap(state.current_file, current_file);
 172         boost::swap(state.current_path, current_path);
 173         boost::swap(state.xinclude_base, xinclude_base);
 174         boost::swap(state.source_mode, source_mode);
 175         if (scope & scope_output) {
 176             state.pop_output();
 177         }
 178         if (scope & scope_templates) state.templates.pop();
 179         if (scope & scope_macros) state.macro = macro;
 180         boost::swap(state.template_depth, template_depth);
 181         boost::swap(state.min_section_level, min_section_level);
 182     }
 183 }