1 | /*============================================================================= |
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2 | Copyright (c) 2002 2004 Joel de Guzman |
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3 | Copyright (c) 2004 Eric Niebler |
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4 | http://spirit.sourceforge.net/ |
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5 | |
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6 | Use, modification and distribution is subject to the Boost Software |
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7 | License, Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at |
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8 | http://www.boost.org/LICENSE_1_0.txt) |
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9 | =============================================================================*/ |
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10 | #if !defined(BOOST_SPIRIT_QUICKBOOK_BLOCK_HPP) |
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11 | #define BOOST_SPIRIT_QUICKBOOK_BLOCK_HPP |
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12 | |
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13 | #include "./detail/utils.hpp" |
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14 | #include "./phrase.hpp" |
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15 | #include <boost/spirit/core.hpp> |
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16 | #include <boost/spirit/utility/confix.hpp> |
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17 | #include <boost/spirit/utility/chset.hpp> |
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18 | #include <boost/spirit/actor/assign_actor.hpp> |
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19 | #include <boost/spirit/dynamic/if.hpp> |
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20 | #include <boost/spirit/symbols/symbols.hpp> |
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21 | |
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22 | namespace quickbook |
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23 | { |
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24 | using namespace boost::spirit; |
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25 | |
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26 | template <typename Actions> |
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27 | struct block_grammar : grammar<block_grammar<Actions> > |
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28 | { |
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29 | block_grammar(Actions& actions_) |
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30 | : actions(actions_) {} |
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31 | |
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32 | template <typename Scanner> |
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33 | struct definition |
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34 | { |
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35 | definition(block_grammar const& self) |
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36 | : is_not_preformatted(true) |
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37 | , common(self.actions, is_not_preformatted) |
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38 | { |
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39 | using detail::var; |
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40 | Actions& actions = self.actions; |
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41 | |
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42 | start_ = |
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43 | *(space_p | comment) >> blocks >> blank |
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44 | ; |
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45 | |
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46 | blocks = |
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47 | +( block_markup |
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48 | | code |
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49 | | list [actions.list] |
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50 | | hr [actions.hr] |
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51 | | comment >> *eol |
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52 | | paragraph [actions.paragraph] |
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53 | | eol |
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54 | ) |
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55 | ; |
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56 | |
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57 | space = |
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58 | *(space_p | comment) |
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59 | ; |
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60 | |
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61 | blank = |
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62 | *(blank_p | comment) |
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63 | ; |
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64 | |
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65 | eol = blank >> eol_p |
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66 | ; |
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67 | |
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68 | close_bracket = |
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69 | ']' | |
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70 | if_p(var(is_not_preformatted)) |
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71 | [ |
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72 | eol_p >> eol_p // Make sure that we don't go |
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73 | ] // past a single block, except |
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74 | ; // when preformatted. |
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75 | |
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76 | hard_space = |
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77 | (eps_p - (alnum_p | '_')) >> space // must not be followed by |
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78 | ; // alpha-numeric or underscore |
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79 | |
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80 | comment = |
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81 | "[/" >> *(anychar_p - ']') >> ']' |
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82 | ; |
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83 | |
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84 | hr = |
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85 | str_p("----") |
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86 | >> *(anychar_p - eol) |
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87 | >> +eol |
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88 | ; |
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89 | |
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90 | block_markup = |
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91 | '[' >> space |
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92 | >> ( begin_section |
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93 | | end_section |
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94 | | headings |
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95 | | blurb |
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96 | | blockquote |
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97 | | admonition |
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98 | | preformatted |
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99 | | def_macro |
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100 | | table |
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101 | | variablelist |
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102 | | xinclude |
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103 | | include |
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104 | ) |
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105 | >> ( (space >> ']' >> +eol) |
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106 | | eps_p [actions.error] |
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107 | ) |
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108 | ; |
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109 | |
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110 | begin_section = |
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111 | "section" |
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112 | >> hard_space |
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113 | >> (':' >> (*(alnum_p | '_')) [assign_a(actions.section_id)] |
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114 | | eps_p [assign_a(actions.section_id)] |
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115 | ) |
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116 | >> phrase [actions.begin_section] |
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117 | ; |
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118 | |
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119 | end_section = |
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120 | str_p("endsect") [actions.end_section] |
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121 | ; |
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122 | |
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123 | headings = |
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124 | h1 | h2 | h3 | h4 | h5 | h6 |
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125 | ; |
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126 | |
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127 | h1 = "h1" >> hard_space >> phrase [actions.h1]; |
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128 | h2 = "h2" >> hard_space >> phrase [actions.h2]; |
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129 | h3 = "h3" >> hard_space >> phrase [actions.h3]; |
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130 | h4 = "h4" >> hard_space >> phrase [actions.h4]; |
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131 | h5 = "h5" >> hard_space >> phrase [actions.h5]; |
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132 | h6 = "h6" >> hard_space >> phrase [actions.h6]; |
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133 | |
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134 | blurb = |
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135 | "blurb" >> hard_space |
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136 | >> phrase [actions.blurb] |
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137 | ; |
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138 | |
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139 | blockquote = |
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140 | ':' >> blank >> |
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141 | phrase [actions.blockquote] |
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142 | ; |
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143 | |
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144 | admonition = |
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145 | "warning" >> blank >> |
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146 | phrase [self.actions.warning] |
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147 | | |
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148 | "caution" >> blank >> |
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149 | phrase [self.actions.caution] |
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150 | | |
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151 | "important" >> blank >> |
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152 | phrase [self.actions.important] |
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153 | | |
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154 | "note" >> blank >> |
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155 | phrase [self.actions.note] |
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156 | | |
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157 | "tip" >> blank >> |
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158 | phrase [self.actions.tip] |
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159 | ; |
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160 | |
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161 | { |
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162 | static const bool true_ = true; |
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163 | static const bool false_ = false; |
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164 | |
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165 | preformatted = |
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166 | "pre" >> hard_space [assign_a(is_not_preformatted, false_)] |
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167 | >> !eol >> phrase [actions.preformatted] |
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168 | >> eps_p [assign_a(is_not_preformatted, true_)] |
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169 | ; |
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170 | } |
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171 | |
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172 | def_macro = |
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173 | "def" >> hard_space |
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174 | >> identifier [actions.identifier] |
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175 | >> blank >> phrase [actions.macro_def] |
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176 | ; |
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177 | |
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178 | variablelist = |
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179 | "variablelist" |
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180 | >> (eps_p(*blank_p >> eol_p) | hard_space) |
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181 | >> (*(anychar_p - eol)) [assign_a(actions.table_title)] |
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182 | >> +eol |
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183 | >> *varlistentry |
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184 | >> eps_p [actions.variablelist] |
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185 | ; |
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186 | |
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187 | varlistentry = |
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188 | space |
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189 | >> ch_p('[') [actions.start_varlistentry] |
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190 | >> |
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191 | ( |
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192 | ( |
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193 | varlistterm |
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194 | >> +varlistitem |
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195 | >> ch_p(']') [actions.end_varlistentry] |
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196 | >> space |
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197 | ) |
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198 | | eps_p [actions.error] |
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199 | ) |
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200 | ; |
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201 | |
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202 | varlistterm = |
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203 | space |
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204 | >> ch_p('[') [actions.start_varlistterm] |
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205 | >> |
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206 | ( |
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207 | ( |
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208 | phrase |
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209 | >> ch_p(']') [actions.end_varlistterm] |
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210 | >> space |
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211 | ) |
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212 | | eps_p [actions.error] |
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213 | ) |
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214 | ; |
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215 | |
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216 | varlistitem = |
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217 | space |
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218 | >> ch_p('[') [actions.start_varlistitem] |
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219 | >> |
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220 | ( |
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221 | ( |
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222 | phrase [actions.end_varlistitem] |
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223 | >> ch_p(']') |
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224 | >> space |
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225 | ) |
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226 | | eps_p [actions.error] |
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227 | ) |
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228 | ; |
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229 | |
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230 | table = |
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231 | "table" |
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232 | >> (eps_p(*blank_p >> eol_p) | hard_space) |
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233 | >> (*(anychar_p - eol)) [assign_a(actions.table_title)] |
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234 | >> +eol |
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235 | >> *table_row |
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236 | >> eps_p [actions.table] |
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237 | ; |
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238 | |
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239 | table_row = |
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240 | space |
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241 | >> ch_p('[') [actions.start_row] |
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242 | >> |
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243 | ( |
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244 | ( |
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245 | *table_cell |
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246 | >> ch_p(']') [actions.end_row] |
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247 | >> space |
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248 | ) |
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249 | | eps_p [actions.error] |
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250 | ) |
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251 | ; |
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252 | |
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253 | table_cell = |
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254 | space |
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255 | >> ch_p('[') [actions.start_cell] |
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256 | >> |
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257 | ( |
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258 | ( |
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259 | phrase |
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260 | >> ch_p(']') [actions.end_cell] |
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261 | >> space |
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262 | ) |
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263 | | eps_p [actions.error] |
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264 | ) |
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265 | ; |
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266 | |
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267 | xinclude = |
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268 | "xinclude" |
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269 | >> hard_space |
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270 | >> (*(anychar_p - |
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271 | close_bracket)) [actions.xinclude] |
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272 | ; |
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273 | |
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274 | include = |
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275 | "include" |
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276 | >> hard_space |
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277 | >> |
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278 | !( |
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279 | ':' |
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280 | >> (*((alnum_p | '_') - space_p))[assign_a(actions.include_doc_id)] |
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281 | >> space |
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282 | ) |
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283 | >> (*(anychar_p - |
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284 | close_bracket)) [actions.include] |
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285 | ; |
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286 | |
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287 | identifier = |
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288 | +(anychar_p - (space_p | ']')) |
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289 | ; |
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290 | |
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291 | code = |
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292 | ( |
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293 | code_line |
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294 | >> *(*eol >> code_line) |
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295 | ) [actions.code] |
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296 | >> +eol |
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297 | ; |
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298 | |
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299 | code_line = |
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300 | ((ch_p(' ') | '\t')) |
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301 | >> *(anychar_p - eol) >> eol |
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302 | ; |
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303 | |
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304 | list = |
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305 | eps_p(ch_p('*') | '#') >> |
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306 | +( |
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307 | (*blank_p |
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308 | >> (ch_p('*') | '#')) [actions.list_format] |
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309 | >> *blank_p |
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310 | >> list_item |
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311 | ) [actions.list_item] |
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312 | ; |
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313 | |
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314 | list_item = |
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315 | *( common |
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316 | | (anychar_p - |
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317 | ( eol_p >> *blank_p >> eps_p(ch_p('*') | '#') |
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318 | | (eol >> eol) |
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319 | ) |
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320 | ) [actions.plain_char] |
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321 | ) |
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322 | >> +eol |
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323 | ; |
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324 | |
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325 | paragraph_end_markups = |
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326 | "section", "endsect", "h1", "h2", "h3", "h4", "h5", "h6", |
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327 | "blurb", ":", "pre", "def", "table", "include" |
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328 | ; |
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329 | |
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330 | paragraph_end = |
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331 | '[' >> space >> paragraph_end_markups | eol >> eol |
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332 | ; |
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333 | |
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334 | paragraph = |
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335 | *( common |
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336 | | (anychar_p - // Make sure we don't go past |
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337 | paragraph_end // a single block. |
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338 | ) [actions.plain_char] |
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339 | ) |
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340 | >> (eps_p('[') | +eol) |
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341 | ; |
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342 | |
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343 | phrase = |
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344 | *( common |
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345 | | comment |
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346 | | (anychar_p - |
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347 | close_bracket) [actions.plain_char] |
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348 | ) |
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349 | ; |
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350 | } |
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351 | |
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352 | bool is_not_preformatted; |
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353 | |
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354 | rule<Scanner> start_, blocks, block_markup, code, code_line, |
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355 | paragraph, space, blank, comment, headings, h1, h2, |
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356 | h3, h4, h5, h6, hr, blurb, blockquote, admonition, |
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357 | phrase, list, close_bracket, ordered_list, def_macro, |
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358 | identifier, table, table_row, variablelist, |
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359 | varlistentry, varlistterm, varlistitem, table_cell, |
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360 | preformatted, list_item, begin_section, end_section, |
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361 | xinclude, include, hard_space, eol, paragraph_end; |
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362 | symbols<> paragraph_end_markups; |
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363 | |
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364 | phrase_grammar<Actions> common; |
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365 | |
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366 | rule<Scanner> const& |
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367 | start() const { return start_; } |
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368 | }; |
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369 | |
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370 | Actions& actions; |
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371 | }; |
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372 | } |
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373 | |
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374 | #endif // BOOST_SPIRIT_QUICKBOOK_BLOCK_HPP |
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375 | |
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376 | |
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