X-Git-Url: https://gerrit.opnfv.org/gerrit/gitweb?a=blobdiff_plain;f=src%2Fceph%2Fsrc%2Fjson_spirit%2Fjson_spirit_reader_template.h;fp=src%2Fceph%2Fsrc%2Fjson_spirit%2Fjson_spirit_reader_template.h;h=0000000000000000000000000000000000000000;hb=7da45d65be36d36b880cc55c5036e96c24b53f00;hp=c50f885ec0de90f9810d0675d6dd3e7b80006ee1;hpb=691462d09d0987b47e112d6ee8740375df3c51b2;p=stor4nfv.git diff --git a/src/ceph/src/json_spirit/json_spirit_reader_template.h b/src/ceph/src/json_spirit/json_spirit_reader_template.h deleted file mode 100644 index c50f885..0000000 --- a/src/ceph/src/json_spirit/json_spirit_reader_template.h +++ /dev/null @@ -1,666 +0,0 @@ -#ifndef JSON_SPIRIT_READER_TEMPLATE -#define JSON_SPIRIT_READER_TEMPLATE - -// Copyright John W. Wilkinson 2007 - 2011 -// Distributed under the MIT License, see accompanying file LICENSE.txt - -// json spirit version 4.05 - -#if defined(_MSC_VER) && (_MSC_VER >= 1020) -# pragma once -#endif - -#include "json_spirit_value.h" -#include "json_spirit_error_position.h" - -#include "common/utf8.h" - -#define BOOST_SPIRIT_THREADSAFE // uncomment for multithreaded use, requires linking to boost.thread - -#include -#include -#include - -#if BOOST_VERSION >= 103800 - #include - #include - #include - #include - #include - #define spirit_namespace boost::spirit::classic -#else - #include - #include - #include - #include - #include - #define spirit_namespace boost::spirit -#endif - -namespace json_spirit -{ - const spirit_namespace::int_parser < boost::int64_t > int64_p = spirit_namespace::int_parser < boost::int64_t >(); - const spirit_namespace::uint_parser< boost::uint64_t > uint64_p = spirit_namespace::uint_parser< boost::uint64_t >(); - - template< class Iter_type > - bool is_eq( Iter_type first, Iter_type last, const char* c_str ) - { - for( Iter_type i = first; i != last; ++i, ++c_str ) - { - if( *c_str == 0 ) return false; - - if( *i != *c_str ) return false; - } - - return true; - } - - template< class Char_type > - Char_type hex_to_num( const Char_type c ) - { - if( ( c >= '0' ) && ( c <= '9' ) ) return c - '0'; - if( ( c >= 'a' ) && ( c <= 'f' ) ) return c - 'a' + 10; - if( ( c >= 'A' ) && ( c <= 'F' ) ) return c - 'A' + 10; - return 0; - } - - template< class Char_type, class Iter_type > - Char_type hex_str_to_char( Iter_type& begin ) - { - const Char_type c1( *( ++begin ) ); - const Char_type c2( *( ++begin ) ); - - return ( hex_to_num( c1 ) << 4 ) + hex_to_num( c2 ); - } - - template< class String_type, class Iter_type > - String_type unicode_str_to_utf8( Iter_type& begin ); - - template<> - std::string unicode_str_to_utf8( std::string::const_iterator & begin ) - { - typedef std::string::value_type Char_type; - - const Char_type c1( *( ++begin ) ); - const Char_type c2( *( ++begin ) ); - const Char_type c3( *( ++begin ) ); - const Char_type c4( *( ++begin ) ); - - unsigned long uc = ( hex_to_num( c1 ) << 12 ) + - ( hex_to_num( c2 ) << 8 ) + - ( hex_to_num( c3 ) << 4 ) + - hex_to_num( c4 ); - - unsigned char buf[7]; // MAX_UTF8_SZ is 6 (see src/common/utf8.c) - int r = encode_utf8(uc, buf); - if (r >= 0) { - return std::string(reinterpret_cast(buf), r); - } - return std::string("_"); - } - - template< class String_type > - void append_esc_char_and_incr_iter( String_type& s, - typename String_type::const_iterator& begin, - typename String_type::const_iterator end ) - { - typedef typename String_type::value_type Char_type; - - const Char_type c2( *begin ); - - switch( c2 ) - { - case 't': s += '\t'; break; - case 'b': s += '\b'; break; - case 'f': s += '\f'; break; - case 'n': s += '\n'; break; - case 'r': s += '\r'; break; - case '\\': s += '\\'; break; - case '/': s += '/'; break; - case '"': s += '"'; break; - case 'x': - { - if( end - begin >= 3 ) // expecting "xHH..." - { - s += hex_str_to_char< Char_type >( begin ); - } - break; - } - case 'u': - { - if( end - begin >= 5 ) // expecting "uHHHH..." - { - s += unicode_str_to_utf8< String_type >( begin ); - } - break; - } - } - } - - template< class String_type > - String_type substitute_esc_chars( typename String_type::const_iterator begin, - typename String_type::const_iterator end ) - { - typedef typename String_type::const_iterator Iter_type; - - if( end - begin < 2 ) return String_type( begin, end ); - - String_type result; - - result.reserve( end - begin ); - - const Iter_type end_minus_1( end - 1 ); - - Iter_type substr_start = begin; - Iter_type i = begin; - - for( ; i < end_minus_1; ++i ) - { - if( *i == '\\' ) - { - result.append( substr_start, i ); - - ++i; // skip the '\' - - append_esc_char_and_incr_iter( result, i, end ); - - substr_start = i + 1; - } - } - - result.append( substr_start, end ); - - return result; - } - - template< class String_type > - String_type get_str_( typename String_type::const_iterator begin, - typename String_type::const_iterator end ) - { - assert( end - begin >= 2 ); - - typedef typename String_type::const_iterator Iter_type; - - Iter_type str_without_quotes( ++begin ); - Iter_type end_without_quotes( --end ); - - return substitute_esc_chars< String_type >( str_without_quotes, end_without_quotes ); - } - - inline std::string get_str( std::string::const_iterator begin, std::string::const_iterator end ) - { - return get_str_< std::string >( begin, end ); - } - -// Need this guard else it tries to instantiate unicode_str_to_utf8 with a -// std::wstring, which isn't presently implemented -#if defined( JSON_SPIRIT_WMVALUE_ENABLED ) && !defined( BOOST_NO_STD_WSTRING ) - inline std::wstring get_str( std::wstring::const_iterator begin, std::wstring::const_iterator end ) - { - return get_str_< std::wstring >( begin, end ); - } -#endif - - template< class String_type, class Iter_type > - String_type get_str( Iter_type begin, Iter_type end ) - { - const String_type tmp( begin, end ); // convert multipass iterators to string iterators - - return get_str( tmp.begin(), tmp.end() ); - } - - // this class's methods get called by the spirit parse resulting - // in the creation of a JSON object or array - // - // NB Iter_type could be a std::string iterator, wstring iterator, a position iterator or a multipass iterator - // - template< class Value_type, class Iter_type > - class Semantic_actions - { - public: - - typedef typename Value_type::Config_type Config_type; - typedef typename Config_type::String_type String_type; - typedef typename Config_type::Object_type Object_type; - typedef typename Config_type::Array_type Array_type; - typedef typename String_type::value_type Char_type; - - Semantic_actions( Value_type& value ) - : value_( value ) - , current_p_( 0 ) - { - } - - void begin_obj( Char_type c ) - { - assert( c == '{' ); - - begin_compound< Object_type >(); - } - - void end_obj( Char_type c ) - { - assert( c == '}' ); - - end_compound(); - } - - void begin_array( Char_type c ) - { - assert( c == '[' ); - - begin_compound< Array_type >(); - } - - void end_array( Char_type c ) - { - assert( c == ']' ); - - end_compound(); - } - - void new_name( Iter_type begin, Iter_type end ) - { - assert( current_p_->type() == obj_type ); - - name_ = get_str< String_type >( begin, end ); - } - - void new_str( Iter_type begin, Iter_type end ) - { - add_to_current( get_str< String_type >( begin, end ) ); - } - - void new_true( Iter_type begin, Iter_type end ) - { - assert( is_eq( begin, end, "true" ) ); - - add_to_current( true ); - } - - void new_false( Iter_type begin, Iter_type end ) - { - assert( is_eq( begin, end, "false" ) ); - - add_to_current( false ); - } - - void new_null( Iter_type begin, Iter_type end ) - { - assert( is_eq( begin, end, "null" ) ); - - add_to_current( Value_type() ); - } - - void new_int( boost::int64_t i ) - { - add_to_current( i ); - } - - void new_uint64( boost::uint64_t ui ) - { - add_to_current( ui ); - } - - void new_real( double d ) - { - add_to_current( d ); - } - - private: - - Semantic_actions& operator=( const Semantic_actions& ); - // to prevent "assignment operator could not be generated" warning - - Value_type* add_first( const Value_type& value ) - { - assert( current_p_ == 0 ); - - value_ = value; - current_p_ = &value_; - return current_p_; - } - - template< class Array_or_obj > - void begin_compound() - { - if( current_p_ == 0 ) - { - add_first( Array_or_obj() ); - } - else - { - stack_.push_back( current_p_ ); - - Array_or_obj new_array_or_obj; // avoid copy by building new array or object in place - - current_p_ = add_to_current( new_array_or_obj ); - } - } - - void end_compound() - { - if( current_p_ != &value_ ) - { - current_p_ = stack_.back(); - - stack_.pop_back(); - } - } - - Value_type* add_to_current( const Value_type& value ) - { - if( current_p_ == 0 ) - { - return add_first( value ); - } - else if( current_p_->type() == array_type ) - { - current_p_->get_array().push_back( value ); - - return ¤t_p_->get_array().back(); - } - - assert( current_p_->type() == obj_type ); - - return &Config_type::add( current_p_->get_obj(), name_, value ); - } - - Value_type& value_; // this is the object or array that is being created - Value_type* current_p_; // the child object or array that is currently being constructed - - std::vector< Value_type* > stack_; // previous child objects and arrays - - String_type name_; // of current name/value pair - }; - - template< typename Iter_type > - void throw_error( spirit_namespace::position_iterator< Iter_type > i, const std::string& reason ) - { - throw Error_position( i.get_position().line, i.get_position().column, reason ); - } - - template< typename Iter_type > - void throw_error( Iter_type i, const std::string& reason ) - { - throw reason; - } - - // the spirit grammer - // - template< class Value_type, class Iter_type > - class Json_grammer : public spirit_namespace::grammar< Json_grammer< Value_type, Iter_type > > - { - public: - - typedef Semantic_actions< Value_type, Iter_type > Semantic_actions_t; - - Json_grammer( Semantic_actions_t& semantic_actions ) - : actions_( semantic_actions ) - { - } - - static void throw_not_value( Iter_type begin, Iter_type end ) - { - throw_error( begin, "not a value" ); - } - - static void throw_not_array( Iter_type begin, Iter_type end ) - { - throw_error( begin, "not an array" ); - } - - static void throw_not_object( Iter_type begin, Iter_type end ) - { - throw_error( begin, "not an object" ); - } - - static void throw_not_pair( Iter_type begin, Iter_type end ) - { - throw_error( begin, "not a pair" ); - } - - static void throw_not_colon( Iter_type begin, Iter_type end ) - { - throw_error( begin, "no colon in pair" ); - } - - static void throw_not_string( Iter_type begin, Iter_type end ) - { - throw_error( begin, "not a string" ); - } - - template< typename ScannerT > - class definition - { - public: - - definition( const Json_grammer& self ) - { - using namespace spirit_namespace; - - typedef typename Value_type::String_type::value_type Char_type; - - // first we convert the semantic action class methods to functors with the - // parameter signature expected by spirit - - typedef boost::function< void( Char_type ) > Char_action; - typedef boost::function< void( Iter_type, Iter_type ) > Str_action; - typedef boost::function< void( double ) > Real_action; - typedef boost::function< void( boost::int64_t ) > Int_action; - typedef boost::function< void( boost::uint64_t ) > Uint64_action; - - Char_action begin_obj ( boost::bind( &Semantic_actions_t::begin_obj, &self.actions_, _1 ) ); - Char_action end_obj ( boost::bind( &Semantic_actions_t::end_obj, &self.actions_, _1 ) ); - Char_action begin_array( boost::bind( &Semantic_actions_t::begin_array, &self.actions_, _1 ) ); - Char_action end_array ( boost::bind( &Semantic_actions_t::end_array, &self.actions_, _1 ) ); - Str_action new_name ( boost::bind( &Semantic_actions_t::new_name, &self.actions_, _1, _2 ) ); - Str_action new_str ( boost::bind( &Semantic_actions_t::new_str, &self.actions_, _1, _2 ) ); - Str_action new_true ( boost::bind( &Semantic_actions_t::new_true, &self.actions_, _1, _2 ) ); - Str_action new_false ( boost::bind( &Semantic_actions_t::new_false, &self.actions_, _1, _2 ) ); - Str_action new_null ( boost::bind( &Semantic_actions_t::new_null, &self.actions_, _1, _2 ) ); - Real_action new_real ( boost::bind( &Semantic_actions_t::new_real, &self.actions_, _1 ) ); - Int_action new_int ( boost::bind( &Semantic_actions_t::new_int, &self.actions_, _1 ) ); - Uint64_action new_uint64 ( boost::bind( &Semantic_actions_t::new_uint64, &self.actions_, _1 ) ); - - // actual grammer - - json_ - = value_ | eps_p[ &throw_not_value ] - ; - - value_ - = string_[ new_str ] - | number_ - | object_ - | array_ - | str_p( "true" ) [ new_true ] - | str_p( "false" )[ new_false ] - | str_p( "null" ) [ new_null ] - ; - - object_ - = ch_p('{')[ begin_obj ] - >> !members_ - >> ( ch_p('}')[ end_obj ] | eps_p[ &throw_not_object ] ) - ; - - members_ - = pair_ >> *( ',' >> pair_ | ch_p(',') ) - ; - - pair_ - = string_[ new_name ] - >> ( ':' | eps_p[ &throw_not_colon ] ) - >> ( value_ | eps_p[ &throw_not_value ] ) - ; - - array_ - = ch_p('[')[ begin_array ] - >> !elements_ - >> ( ch_p(']')[ end_array ] | eps_p[ &throw_not_array ] ) - ; - - elements_ - = value_ >> *( ',' >> value_ | ch_p(',') ) - ; - - string_ - = lexeme_d // this causes white space inside a string to be retained - [ - confix_p - ( - '"', - *lex_escape_ch_p, - '"' - ) - ] - ; - - number_ - = strict_real_p[ new_real ] - | int64_p [ new_int ] - | uint64_p [ new_uint64 ] - ; - } - - spirit_namespace::rule< ScannerT > json_, object_, members_, pair_, array_, elements_, value_, string_, number_; - - const spirit_namespace::rule< ScannerT >& start() const { return json_; } - }; - - private: - - Json_grammer& operator=( const Json_grammer& ); // to prevent "assignment operator could not be generated" warning - - Semantic_actions_t& actions_; - }; - - template< class Iter_type, class Value_type > - void add_posn_iter_and_read_range_or_throw( Iter_type begin, Iter_type end, Value_type& value ) - { - typedef spirit_namespace::position_iterator< Iter_type > Posn_iter_t; - - const Posn_iter_t posn_begin( begin, end ); - const Posn_iter_t posn_end( end, end ); - - read_range_or_throw( posn_begin, posn_end, value ); - } - - template< class Istream_type > - struct Multi_pass_iters - { - typedef typename Istream_type::char_type Char_type; - typedef std::istream_iterator< Char_type, Char_type > istream_iter; - typedef spirit_namespace::multi_pass< istream_iter > Mp_iter; - - Multi_pass_iters( Istream_type& is ) - { - is.unsetf( std::ios::skipws ); - - begin_ = spirit_namespace::make_multi_pass( istream_iter( is ) ); - end_ = spirit_namespace::make_multi_pass( istream_iter() ); - } - - Mp_iter begin_; - Mp_iter end_; - }; - - // reads a JSON Value from a pair of input iterators throwing an exception on invalid input, e.g. - // - // string::const_iterator start = str.begin(); - // const string::const_iterator next = read_range_or_throw( str.begin(), str.end(), value ); - // - // The iterator 'next' will point to the character past the - // last one read. - // - template< class Iter_type, class Value_type > - Iter_type read_range_or_throw( Iter_type begin, Iter_type end, Value_type& value ) - { - Semantic_actions< Value_type, Iter_type > semantic_actions( value ); - - const spirit_namespace::parse_info< Iter_type > info = - spirit_namespace::parse( begin, end, - Json_grammer< Value_type, Iter_type >( semantic_actions ), - spirit_namespace::space_p ); - - if( !info.hit ) - { - assert( false ); // in theory exception should already have been thrown - throw_error( info.stop, "error" ); - } - - return info.stop; - } - - // reads a JSON Value from a pair of input iterators, e.g. - // - // string::const_iterator start = str.begin(); - // const bool success = read_string( start, str.end(), value ); - // - // The iterator 'start' will point to the character past the - // last one read. - // - template< class Iter_type, class Value_type > - bool read_range( Iter_type& begin, Iter_type end, Value_type& value ) - { - try - { - begin = read_range_or_throw( begin, end, value ); - - return true; - } - catch( ... ) - { - return false; - } - } - - // reads a JSON Value from a string, e.g. - // - // const bool success = read_string( str, value ); - // - template< class String_type, class Value_type > - bool read_string( const String_type& s, Value_type& value ) - { - typename String_type::const_iterator begin = s.begin(); - - return read_range( begin, s.end(), value ); - } - - // reads a JSON Value from a string throwing an exception on invalid input, e.g. - // - // read_string_or_throw( is, value ); - // - template< class String_type, class Value_type > - void read_string_or_throw( const String_type& s, Value_type& value ) - { - add_posn_iter_and_read_range_or_throw( s.begin(), s.end(), value ); - } - - // reads a JSON Value from a stream, e.g. - // - // const bool success = read_stream( is, value ); - // - template< class Istream_type, class Value_type > - bool read_stream( Istream_type& is, Value_type& value ) - { - Multi_pass_iters< Istream_type > mp_iters( is ); - - return read_range( mp_iters.begin_, mp_iters.end_, value ); - } - - // reads a JSON Value from a stream throwing an exception on invalid input, e.g. - // - // read_stream_or_throw( is, value ); - // - template< class Istream_type, class Value_type > - void read_stream_or_throw( Istream_type& is, Value_type& value ) - { - const Multi_pass_iters< Istream_type > mp_iters( is ); - - add_posn_iter_and_read_range_or_throw( mp_iters.begin_, mp_iters.end_, value ); - } -} - -#endif