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author | Petr Mrázek <peterix@gmail.com> | 2013-07-29 00:59:35 +0200 |
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committer | Petr Mrázek <peterix@gmail.com> | 2013-07-29 00:59:35 +0200 |
commit | 2e0cbf393a5320dbf5448ca44a9b5905314b0be8 (patch) | |
tree | 4baac9cf015ca7b15d83de33c705e0d8d4497d30 /hacks/boost/property_tree | |
parent | 8808a8b108b82916eaf30f9aca50cd3ab16af230 (diff) | |
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Massive renaming in the backend folder, all around restructure in the same.
Diffstat (limited to 'hacks/boost/property_tree')
-rw-r--r-- | hacks/boost/property_tree/detail/json_parser_read.hpp | 333 |
1 files changed, 0 insertions, 333 deletions
diff --git a/hacks/boost/property_tree/detail/json_parser_read.hpp b/hacks/boost/property_tree/detail/json_parser_read.hpp deleted file mode 100644 index 9a22e75b..00000000 --- a/hacks/boost/property_tree/detail/json_parser_read.hpp +++ /dev/null @@ -1,333 +0,0 @@ -// ---------------------------------------------------------------------------- -// Copyright (C) 2002-2006 Marcin Kalicinski -// -// Distributed under 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) -// -// For more information, see www.boost.org -// ---------------------------------------------------------------------------- -#ifndef BOOST_PROPERTY_TREE_DETAIL_JSON_PARSER_READ_HPP_INCLUDED -#define BOOST_PROPERTY_TREE_DETAIL_JSON_PARSER_READ_HPP_INCLUDED - -//#define BOOST_SPIRIT_DEBUG - -#include <boost/property_tree/ptree.hpp> -#include <boost/property_tree/detail/ptree_utils.hpp> -#include <boost/property_tree/detail/json_parser_error.hpp> -#include <boost/spirit/include/classic.hpp> -#include <boost/limits.hpp> -#include <string> -#include <locale> -#include <istream> -#include <vector> -#include <algorithm> - -namespace boost { namespace property_tree { namespace json_parser -{ - - /////////////////////////////////////////////////////////////////////// - // Json parser context - - template<class Ptree> - struct context - { - - typedef typename Ptree::key_type::value_type Ch; - typedef std::basic_string<Ch> Str; - typedef typename std::vector<Ch>::iterator It; - - Str string; - Str name; - Ptree root; - std::vector<Ptree *> stack; - - struct a_object_s - { - context &c; - a_object_s(context &c): c(c) { } - void operator()(Ch) const - { - if (c.stack.empty()) - c.stack.push_back(&c.root); - else - { - Ptree *parent = c.stack.back(); - Ptree *child = &parent->push_back(std::make_pair(c.name, Ptree()))->second; - c.stack.push_back(child); - c.name.clear(); - } - } - }; - - struct a_object_e - { - context &c; - a_object_e(context &c): c(c) { } - void operator()(Ch) const - { - BOOST_ASSERT(c.stack.size() >= 1); - c.stack.pop_back(); - } - }; - - struct a_name - { - context &c; - a_name(context &c): c(c) { } - void operator()(It, It) const - { - c.name.swap(c.string); - c.string.clear(); - } - }; - - struct a_string_val - { - context &c; - a_string_val(context &c): c(c) { } - void operator()(It, It) const - { - BOOST_ASSERT(c.stack.size() >= 1); - c.stack.back()->push_back(std::make_pair(c.name, Ptree(c.string))); - c.name.clear(); - c.string.clear(); - } - }; - - struct a_literal_val - { - context &c; - a_literal_val(context &c): c(c) { } - void operator()(It b, It e) const - { - BOOST_ASSERT(c.stack.size() >= 1); - c.stack.back()->push_back(std::make_pair(c.name, - Ptree(Str(b, e)))); - c.name.clear(); - c.string.clear(); - } - }; - - struct a_char - { - context &c; - a_char(context &c): c(c) { } - void operator()(It b, It e) const - { - c.string += *b; - } - }; - - struct a_escape - { - context &c; - a_escape(context &c): c(c) { } - void operator()(Ch ch) const - { - switch (ch) - { - case Ch('\"'): c.string += Ch('\"'); break; - case Ch('\\'): c.string += Ch('\\'); break; - case Ch('/'): c.string += Ch('/'); break; - case Ch('b'): c.string += Ch('\b'); break; - case Ch('f'): c.string += Ch('\f'); break; - case Ch('n'): c.string += Ch('\n'); break; - case Ch('r'): c.string += Ch('\r'); break; - case Ch('t'): c.string += Ch('\t'); break; - default: BOOST_ASSERT(0); - } - } - }; - - struct a_unicode - { - context &c; - a_unicode(context &c): c(c) { } - void operator()(unsigned long u) const - { - //u = (std::min)(u, static_cast<unsigned long>((std::numeric_limits<Ch>::max)())); - c.string += Ch(u); - } - }; - - }; - - /////////////////////////////////////////////////////////////////////// - // Json grammar - - template<class Ptree> - struct json_grammar : - public boost::spirit::classic::grammar<json_grammar<Ptree> > - { - - typedef context<Ptree> Context; - typedef typename Ptree::key_type::value_type Ch; - - mutable Context c; - - template<class Scanner> - struct definition - { - - boost::spirit::classic::rule<Scanner> - root, object, member, array, item, value, string, number; - boost::spirit::classic::rule< - typename boost::spirit::classic::lexeme_scanner<Scanner>::type> - character, escape; - - definition(const json_grammar &self) - { - - using namespace boost::spirit::classic; - // There's a boost::assertion too, so another explicit using - // here: - using boost::spirit::classic::assertion; - - // Assertions - assertion<std::string> expect_root("expected object or array"); - assertion<std::string> expect_eoi("expected end of input"); - assertion<std::string> expect_objclose("expected ',' or '}'"); - assertion<std::string> expect_arrclose("expected ',' or ']'"); - assertion<std::string> expect_name("expected object name"); - assertion<std::string> expect_colon("expected ':'"); - assertion<std::string> expect_value("expected value"); - assertion<std::string> expect_escape("invalid escape sequence"); - - // JSON grammar rules - root - = expect_root(object | array) - >> expect_eoi(end_p) - ; - - object - = ch_p('{')[typename Context::a_object_s(self.c)] - >> (ch_p('}')[typename Context::a_object_e(self.c)] - | (list_p(member, ch_p(',')) - >> expect_objclose(ch_p('}')[typename Context::a_object_e(self.c)]) - ) - ) - ; - - member - = expect_name(string[typename Context::a_name(self.c)]) - >> expect_colon(ch_p(':')) - >> expect_value(value) - ; - - array - = ch_p('[')[typename Context::a_object_s(self.c)] - >> (ch_p(']')[typename Context::a_object_e(self.c)] - | (list_p(item, ch_p(',')) - >> expect_arrclose(ch_p(']')[typename Context::a_object_e(self.c)]) - ) - ) - ; - - item - = expect_value(value) - ; - - value - = string[typename Context::a_string_val(self.c)] - | (number | str_p("true") | "false" | "null")[typename Context::a_literal_val(self.c)] - | object - | array - ; - - number - = !ch_p("-") >> - (ch_p("0") | (range_p(Ch('1'), Ch('9')) >> *digit_p)) >> - !(ch_p(".") >> +digit_p) >> - !(chset_p(detail::widen<Ch>("eE").c_str()) >> - !chset_p(detail::widen<Ch>("-+").c_str()) >> - +digit_p) - ; - - string - = +(lexeme_d[confix_p('\"', *character, '\"')]) - ; - - character - = (anychar_p - "\\" - "\"") - [typename Context::a_char(self.c)] - | ch_p("\\") >> expect_escape(escape) - ; - - escape - = chset_p(detail::widen<Ch>("\"\\/bfnrt").c_str()) - [typename Context::a_escape(self.c)] - | 'u' >> uint_parser<unsigned long, 16, 4, 4>() - [typename Context::a_unicode(self.c)] - ; - - // Debug - BOOST_SPIRIT_DEBUG_RULE(root); - BOOST_SPIRIT_DEBUG_RULE(object); - BOOST_SPIRIT_DEBUG_RULE(member); - BOOST_SPIRIT_DEBUG_RULE(array); - BOOST_SPIRIT_DEBUG_RULE(item); - BOOST_SPIRIT_DEBUG_RULE(value); - BOOST_SPIRIT_DEBUG_RULE(string); - BOOST_SPIRIT_DEBUG_RULE(number); - BOOST_SPIRIT_DEBUG_RULE(escape); - BOOST_SPIRIT_DEBUG_RULE(character); - - } - - const boost::spirit::classic::rule<Scanner> &start() const - { - return root; - } - - }; - - }; - - template<class It, class Ch> - unsigned long count_lines(It begin, It end) - { - return static_cast<unsigned long>(std::count(begin, end, Ch('\n')) + 1); - } - - template<class Ptree> - void read_json_internal(std::basic_istream<typename Ptree::key_type::value_type> &stream, - Ptree &pt, - const std::string &filename) - { - - using namespace boost::spirit::classic; - typedef typename Ptree::key_type::value_type Ch; - typedef typename std::vector<Ch>::iterator It; - - // Load data into vector - std::vector<Ch> v(std::istreambuf_iterator<Ch>(stream.rdbuf()), - std::istreambuf_iterator<Ch>()); - if (!stream.good()) - BOOST_PROPERTY_TREE_THROW(json_parser_error("read error", filename, 0)); - - // Prepare grammar - json_grammar<Ptree> g; - - // Parse - try - { - parse_info<It> pi = parse(v.begin(), v.end(), g, - space_p | comment_p("//") | comment_p("/*", "*/")); - if (!pi.hit || !pi.full) - BOOST_PROPERTY_TREE_THROW((parser_error<std::string, It>(v.begin(), "syntax error"))); - } - catch (parser_error<std::string, It> &e) - { - BOOST_PROPERTY_TREE_THROW(json_parser_error(e.descriptor, filename, count_lines<It, Ch>(v.begin(), e.where))); - } - - // Swap grammar context root and pt - pt.swap(g.c.root); - - } - -} } } - -#endif - |