[857] | 1 | // (C) Copyright Gennadiy Rozental 2005.
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| 2 | // Use, modification, and distribution are subject to the
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| 3 | // Boost Software License, Version 1.0. (See accompanying file
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| 4 | // LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
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| 5 |
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| 6 | // See http://www.boost.org/libs/test for the library home page.
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| 7 | //
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| 8 | // File : $RCSfile: config_file_iterator.cpp,v $
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| 9 | //
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| 10 | // Version : $Revision: 1.1 $
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| 11 | //
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| 12 | // Description : flexible configuration file iterator implementation
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| 13 | // ***************************************************************************
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| 14 |
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| 15 | // Boost.Runtime.Parameter
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| 16 | #include <boost/test/utils/runtime/config.hpp>
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| 17 |
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| 18 | #include <boost/test/utils/runtime/file/config_file_iterator.hpp>
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| 19 | #include <boost/test/utils/runtime/validation.hpp>
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| 20 |
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| 21 | #include <boost/test/utils/runtime/env/environment.hpp>
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| 22 |
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| 23 | // Boost
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| 24 | #include <boost/utility.hpp>
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| 25 | #include <boost/scoped_array.hpp>
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| 26 | #include <boost/bind.hpp>
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| 27 |
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| 28 | // Boost.Test
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| 29 | #include <boost/test/utils/basic_cstring/compare.hpp>
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| 30 | #include <boost/test/utils/algorithm.hpp>
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| 31 | #include <boost/test/utils/iterator/token_iterator.hpp>
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| 32 | #include <boost/test/utils/assign_op.hpp>
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| 33 |
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| 34 | // STL
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| 35 | #include <memory>
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| 36 | #include <map>
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| 37 | #include <list>
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| 38 | #include <vector>
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| 39 | #include <fstream>
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| 40 | #include <cctype>
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| 41 | #include <iostream>
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| 42 |
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| 43 | namespace boost {
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| 44 |
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| 45 | namespace BOOST_RT_PARAM_NAMESPACE {
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| 46 |
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| 47 | namespace file {
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| 48 |
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| 49 | // ************************************************************************** //
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| 50 | // ************** symbol_to_value_map ************** //
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| 51 | // ************************************************************************** //
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| 52 |
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| 53 | template<typename ValueType>
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| 54 | struct symbol_to_value_map : std::map<cstring, ValueType> {
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| 55 | template<typename ParamType>
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| 56 | void add( cstring name, ParamType const& value )
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| 57 | {
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| 58 | using namespace unit_test;
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| 59 |
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| 60 | m_name_store.push_back( dstring() );
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| 61 |
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| 62 | assign_op( m_name_store.back(), name, 0 );
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| 63 | assign_op( (*this)[m_name_store.back()], value, 0 );
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| 64 | }
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| 65 | void remove( cstring name )
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| 66 | {
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| 67 | std::list<dstring>::iterator it = std::find( m_name_store.begin(), m_name_store.end(), name );
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| 68 |
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| 69 | m_name_store.erase( it );
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| 70 |
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| 71 | erase( name );
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| 72 | }
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| 73 |
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| 74 | private:
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| 75 | std::list<dstring> m_name_store;
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| 76 | };
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| 77 |
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| 78 | // ************************************************************************** //
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| 79 | // ************** symbol_table_t ************** //
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| 80 | // ************************************************************************** //
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| 81 |
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| 82 | typedef symbol_to_value_map<dstring> symbol_table_t;
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| 83 |
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| 84 | // ************************************************************************** //
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| 85 | // ************** command_handler_map ************** //
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| 86 | // ************************************************************************** //
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| 87 |
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| 88 | typedef symbol_to_value_map<config_file_iterator::command_handler> command_handler_map;
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| 89 |
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| 90 | // ************************************************************************** //
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| 91 | // ************** is_valid_identifier ************** //
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| 92 | // ************************************************************************** //
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| 93 |
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| 94 | static bool
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| 95 | is_valid_identifier( cstring const& source )
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| 96 | {
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| 97 | if( source.is_empty() )
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| 98 | return false;
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| 99 |
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| 100 | cstring::const_iterator it = source.begin();
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| 101 |
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| 102 | if( !std::isalpha( *it ) )
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| 103 | return false;
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| 104 |
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| 105 | while( ++it < source.end() ) {
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| 106 | if( !std::isalnum( *it ) && *it != BOOST_RT_PARAM_LITERAL( '_' ) && *it != BOOST_RT_PARAM_LITERAL( '-' ) )
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| 107 | return false;
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| 108 | }
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| 109 |
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| 110 | return true;
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| 111 | }
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| 112 |
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| 113 | // ************************************************************************** //
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| 114 | // ************** include_level ************** //
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| 115 | // ************************************************************************** //
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| 116 |
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| 117 | struct include_level;
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| 118 | typedef std::auto_ptr<include_level> include_level_ptr;
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| 119 |
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| 120 | struct include_level : noncopyable
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| 121 | {
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| 122 | // Constructor
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| 123 | explicit include_level( cstring file_name, cstring path_separators, include_level* parent = 0 );
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| 124 |
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| 125 | // Data members
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| 126 | std::ifstream m_stream;
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| 127 | location m_curr_location;
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| 128 | include_level_ptr m_parent;
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| 129 | };
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| 130 |
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| 131 | //____________________________________________________________________________//
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| 132 |
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| 133 | include_level::include_level( cstring file_name, cstring path_separators, include_level* parent_ )
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| 134 | : m_parent( parent_ )
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| 135 | {
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| 136 | if( file_name.is_empty() )
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| 137 | return;
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| 138 |
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| 139 | assign_op( m_curr_location.first, file_name, 0 );
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| 140 | m_curr_location.second = 0;
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| 141 |
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| 142 | m_stream.open( m_curr_location.first.c_str() );
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| 143 |
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| 144 | if( !m_stream.is_open() && !!m_parent.get() ) {
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| 145 | cstring parent_path = m_parent->m_curr_location.first;
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| 146 | cstring::iterator it = unit_test::find_last_of( parent_path.begin(), parent_path.end(),
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| 147 | path_separators.begin(),
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| 148 | path_separators.end() );
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| 149 |
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| 150 | if( it != parent_path.end() ) {
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| 151 | assign_op( m_curr_location.first, cstring( parent_path.begin(), it+1 ), 0 );
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| 152 | m_curr_location.first.append( file_name.begin(), file_name.end() );
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| 153 | m_stream.clear();
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| 154 | m_stream.open( m_curr_location.first.c_str() );
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| 155 | }
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| 156 | }
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| 157 |
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| 158 | BOOST_RT_PARAM_VALIDATE_LOGIC( m_stream.is_open(), BOOST_RT_PARAM_LITERAL( "couldn't open file " ) << file_name );
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| 159 | }
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| 160 |
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| 161 | //____________________________________________________________________________//
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| 162 |
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| 163 | // ************************************************************************** //
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| 164 | // ************** config_file_iterator::Impl ************** //
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| 165 | // ************************************************************************** //
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| 166 |
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| 167 | struct config_file_iterator::Impl : noncopyable {
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| 168 | // Constructor
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| 169 | Impl();
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| 170 |
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| 171 | bool get_next_line( cstring& next_line );
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| 172 |
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| 173 | void process_command_line( cstring line );
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| 174 | void process_include( cstring line );
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| 175 | void process_define( cstring line );
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| 176 | void process_undef( cstring line );
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| 177 | void process_ifdef( cstring line );
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| 178 | void process_ifndef( cstring line );
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| 179 | void process_else( cstring line );
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| 180 | void process_endif( cstring line );
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| 181 |
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| 182 | boost::optional<cstring>
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| 183 | get_macro_value( cstring macro_name, bool ignore_missing = true );
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| 184 | void substitute_macros( cstring& where );
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| 185 |
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| 186 | bool is_active_line() { return m_inactive_ifdef_level == 0; }
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| 187 |
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| 188 | static bool match_front( cstring str, cstring pattern )
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| 189 | {
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| 190 | return str.size() >= pattern.size() && str.substr( 0, pattern.size() ) == pattern;
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| 191 | }
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| 192 | static bool match_back( cstring str, cstring pattern )
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| 193 | {
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| 194 | return str.size() >= pattern.size() && str.substr( str.size() - pattern.size() ) == pattern;
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| 195 | }
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| 196 |
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| 197 | // Configurable parameters
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| 198 | dstring m_path_separators;
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| 199 | char_type m_line_delimeter;
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| 200 | dstring m_sl_comment_delimeter;
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| 201 | dstring m_command_delimeter;
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| 202 | dstring m_line_beak;
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| 203 | dstring m_macro_ref_begin;
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| 204 | dstring m_macro_ref_end;
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| 205 |
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| 206 | dstring m_include_kw;
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| 207 | dstring m_define_kw;
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| 208 | dstring m_undef_kw;
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| 209 | dstring m_ifdef_kw;
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| 210 | dstring m_ifndef_kw;
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| 211 | dstring m_else_kw;
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| 212 | dstring m_endif_kw;
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| 213 |
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| 214 | std::size_t m_buffer_size;
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| 215 |
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| 216 | bool m_trim_trailing_spaces;
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| 217 | bool m_trim_leading_spaces;
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| 218 | bool m_skip_empty_lines;
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| 219 | bool m_detect_missing_macro;
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| 220 |
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| 221 | // Data members
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| 222 | dstring m_post_subst_line;
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| 223 | scoped_array<char> m_buffer;
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| 224 | include_level_ptr m_curr_level;
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| 225 | symbol_table_t m_symbols_table;
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| 226 | std::vector<bool> m_conditional_states;
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| 227 | std::size_t m_inactive_ifdef_level;
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| 228 | command_handler_map m_command_handler_map;
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| 229 | };
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| 230 |
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| 231 | //____________________________________________________________________________//
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| 232 |
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| 233 | config_file_iterator::Impl::Impl()
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| 234 | : m_path_separators( BOOST_RT_PARAM_LITERAL( "/\\" ) )
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| 235 | , m_line_delimeter( BOOST_RT_PARAM_LITERAL( '\n' ) )
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| 236 | , m_sl_comment_delimeter( BOOST_RT_PARAM_LITERAL( "#" ) )
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| 237 | , m_command_delimeter( BOOST_RT_PARAM_LITERAL( "$" ) )
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| 238 | , m_line_beak( BOOST_RT_PARAM_LITERAL( "\\" ) )
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| 239 | , m_macro_ref_begin( BOOST_RT_PARAM_LITERAL( "$" ) )
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| 240 | , m_macro_ref_end( BOOST_RT_PARAM_LITERAL( "$" ) )
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| 241 |
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| 242 | , m_include_kw( BOOST_RT_PARAM_LITERAL( "include" ) )
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| 243 | , m_define_kw( BOOST_RT_PARAM_LITERAL( "define" ) )
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| 244 | , m_undef_kw( BOOST_RT_PARAM_LITERAL( "undef" ) )
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| 245 | , m_ifdef_kw( BOOST_RT_PARAM_LITERAL( "ifdef" ) )
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| 246 | , m_ifndef_kw( BOOST_RT_PARAM_LITERAL( "ifndef" ) )
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| 247 | , m_else_kw( BOOST_RT_PARAM_LITERAL( "else" ) )
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| 248 | , m_endif_kw( BOOST_RT_PARAM_LITERAL( "endif" ) )
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| 249 |
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| 250 | , m_buffer_size( 8192 )
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| 251 |
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| 252 | , m_trim_trailing_spaces( true )
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| 253 | , m_trim_leading_spaces( false )
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| 254 | , m_skip_empty_lines( true )
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| 255 | , m_detect_missing_macro( true )
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| 256 |
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| 257 | , m_inactive_ifdef_level( 0 )
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| 258 | {}
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| 259 |
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| 260 | //____________________________________________________________________________//
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| 261 |
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| 262 | bool
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| 263 | config_file_iterator::Impl::get_next_line( cstring& line )
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| 264 | {
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| 265 | bool broken_line = false;
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| 266 |
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| 267 | line.clear();
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| 268 |
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| 269 | while( !m_curr_level->m_stream.eof() || !!m_curr_level->m_parent.get() ) {
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| 270 | // 10. Switch to upper include level if current one is finished
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| 271 | // 20. Read/append next file line
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| 272 | // 30. Increment line number
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| 273 | // 40. Remove comments
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| 274 | // 50. Remove trailing and leading spaces
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| 275 | // 60. Skip empty string
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| 276 | // 70. Concatenate broken lines if needed. Put the result into line
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| 277 | // 80. If line is not completed, try to finish it by reading the next line
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| 278 | // 90. Process command line
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| 279 | // 100. Substitute macros references with their definitions
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| 280 | // 110. Next line found.
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| 281 |
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| 282 | if( m_curr_level->m_stream.eof() ) { // 10 //
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| 283 | m_curr_level = m_curr_level->m_parent;
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| 284 | continue;
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| 285 | }
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| 286 |
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| 287 | std::ifstream& input = m_curr_level->m_stream;
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| 288 | char_type* buffer_insert_pos = broken_line ? m_buffer.get() + line.size() : m_buffer.get();
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| 289 |
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| 290 | input.getline( buffer_insert_pos, (std::streamsize)(m_buffer_size - line.size()), // 20 //
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| 291 | m_line_delimeter );
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| 292 |
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| 293 | cstring next_line( buffer_insert_pos,
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| 294 | input.gcount() > 0
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| 295 | ? buffer_insert_pos + (input.eof() ? input.gcount() : (input.gcount()-1))
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| 296 | : buffer_insert_pos );
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| 297 |
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| 298 |
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| 299 | m_curr_level->m_curr_location.second++; // 30 //
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| 300 |
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| 301 | cstring::size_type comment_pos = next_line.find( m_sl_comment_delimeter );
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| 302 | if( comment_pos != cstring::npos )
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| 303 | next_line.trim_right( next_line.begin()+comment_pos ); // 40 //
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| 304 |
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| 305 | if( m_trim_trailing_spaces ) // 50 //
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| 306 | next_line.trim_right();
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| 307 | if( m_trim_leading_spaces && !broken_line )
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| 308 | next_line.trim_left();
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| 309 |
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| 310 | if( next_line.is_empty() ) { // 60 //
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| 311 | if( m_skip_empty_lines )
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| 312 | continue;
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| 313 | else
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| 314 | next_line.assign( buffer_insert_pos, buffer_insert_pos );
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| 315 | }
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| 316 |
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| 317 | line = broken_line ? cstring( line.begin(), next_line.end() ) : next_line; // 70 //
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| 318 |
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| 319 | broken_line = match_back( line, m_line_beak );
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| 320 | if( broken_line ) { // 80 //
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| 321 | line.trim_right( 1 );
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| 322 | continue;
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| 323 | }
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| 324 |
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| 325 | if( match_front( line, m_command_delimeter ) ) { // 90 //
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| 326 | process_command_line( line );
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| 327 | continue;
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| 328 | }
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| 329 |
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| 330 | if( !is_active_line() )
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| 331 | continue;
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| 332 |
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| 333 | substitute_macros( line ); // 100 //
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| 334 |
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| 335 | return true; // 110 //
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| 336 | }
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| 337 |
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| 338 | BOOST_RT_PARAM_VALIDATE_LOGIC( !broken_line, BOOST_RT_PARAM_LITERAL( "broken line is not completed" ) );
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| 339 | BOOST_RT_PARAM_VALIDATE_LOGIC( m_conditional_states.size() == 0,
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| 340 | BOOST_RT_PARAM_LITERAL( "matching endif command is missing" ) );
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| 341 |
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| 342 | return false;
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| 343 | }
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| 344 |
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| 345 | //____________________________________________________________________________//
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| 346 |
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| 347 | boost::optional<cstring>
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| 348 | config_file_iterator::Impl::get_macro_value( cstring macro_name, bool ignore_missing )
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| 349 | {
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| 350 | symbol_table_t::const_iterator it = m_symbols_table.find( macro_name );
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| 351 |
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| 352 | if( it == m_symbols_table.end() ) {
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| 353 | boost::optional<cstring> macro_value; // !! variable actually may have different type
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| 354 |
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| 355 | env::get( macro_name, macro_value );
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| 356 |
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| 357 | BOOST_RT_PARAM_VALIDATE_LOGIC( macro_value || ignore_missing || !m_detect_missing_macro,
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| 358 | BOOST_RT_PARAM_LITERAL( "Unknown macro \"" ) << macro_name << BOOST_RT_PARAM_LITERAL( "\"" ) );
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| 359 |
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| 360 | if( !macro_value ) {
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| 361 | if( !ignore_missing )
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| 362 | macro_value = cstring();
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| 363 | }
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| 364 | else
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| 365 | m_symbols_table.add( macro_name, *macro_value );
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| 366 |
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| 367 | return macro_value;
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| 368 | }
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| 369 |
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| 370 | return boost::optional<cstring>( cstring( it->second ) );
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| 371 | }
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| 372 |
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| 373 | //____________________________________________________________________________//
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| 374 |
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| 375 | void
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| 376 | config_file_iterator::Impl::process_command_line( cstring line )
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| 377 | {
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| 378 | line.trim_left( m_command_delimeter.size() );
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| 379 |
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| 380 | unit_test::string_token_iterator tit( line, unit_test::max_tokens = 2 );
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| 381 |
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| 382 | command_handler_map::const_iterator it = m_command_handler_map.find( *tit );
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| 383 |
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| 384 | BOOST_RT_PARAM_VALIDATE_LOGIC( it != m_command_handler_map.end(), BOOST_RT_PARAM_LITERAL( "Invalid command " ) << *tit );
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| 385 |
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| 386 | ++tit;
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| 387 |
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| 388 | (it->second)( *tit );
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| 389 | }
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| 390 |
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| 391 | //____________________________________________________________________________//
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| 392 |
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| 393 | void
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| 394 | config_file_iterator::Impl::process_include( cstring line )
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| 395 | {
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| 396 | using namespace unit_test;
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| 397 |
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| 398 | if( !is_active_line() )
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| 399 | return;
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| 400 |
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| 401 | string_token_iterator tit( line, kept_delimeters = dt_none );
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| 402 |
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| 403 | BOOST_RT_PARAM_VALIDATE_LOGIC( tit != string_token_iterator(),
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| 404 | BOOST_RT_PARAM_LITERAL( "include file name missing" ) );
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| 405 |
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| 406 | cstring include_file_name = *tit;
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| 407 |
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| 408 | BOOST_RT_PARAM_VALIDATE_LOGIC( ++tit == string_token_iterator(),
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| 409 | BOOST_RT_PARAM_LITERAL( "unexpected tokens at the end of include command" ) );
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| 410 |
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| 411 | substitute_macros( include_file_name );
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| 412 |
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| 413 | m_curr_level.reset( new include_level( include_file_name, m_path_separators, m_curr_level.release() ) );
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| 414 | }
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| 415 |
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| 416 | //____________________________________________________________________________//
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| 417 |
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| 418 | void
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| 419 | config_file_iterator::Impl::process_define( cstring line )
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| 420 | {
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| 421 | using namespace unit_test;
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| 422 |
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| 423 | if( !is_active_line() )
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| 424 | return;
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| 425 |
|
---|
| 426 | string_token_iterator tit( line, (kept_delimeters = dt_none, max_tokens = 2 ));
|
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| 427 |
|
---|
| 428 | cstring macro_name = *tit;
|
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| 429 | BOOST_RT_PARAM_VALIDATE_LOGIC( is_valid_identifier( macro_name ),
|
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| 430 | BOOST_RT_PARAM_LITERAL( "invalid macro name" ) );
|
---|
| 431 |
|
---|
| 432 | cstring macro_value = *(++tit);
|
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| 433 | substitute_macros( macro_value );
|
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| 434 |
|
---|
| 435 | m_symbols_table.add( macro_name, macro_value );
|
---|
| 436 | }
|
---|
| 437 |
|
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| 438 | //____________________________________________________________________________//
|
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| 439 |
|
---|
| 440 | void
|
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| 441 | config_file_iterator::Impl::process_undef( cstring line )
|
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| 442 | {
|
---|
| 443 | if( !is_active_line() )
|
---|
| 444 | return;
|
---|
| 445 |
|
---|
| 446 | cstring macro_name = line;
|
---|
| 447 | BOOST_RT_PARAM_VALIDATE_LOGIC( is_valid_identifier( macro_name ),
|
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| 448 | BOOST_RT_PARAM_LITERAL( "invalid macro name" ) );
|
---|
| 449 |
|
---|
| 450 | m_symbols_table.remove( macro_name );
|
---|
| 451 | }
|
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| 452 |
|
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| 453 | //____________________________________________________________________________//
|
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| 454 |
|
---|
| 455 | void
|
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| 456 | config_file_iterator::Impl::process_ifdef( cstring line )
|
---|
| 457 | {
|
---|
| 458 | m_conditional_states.push_back( true );
|
---|
| 459 | if( !is_active_line() )
|
---|
| 460 | return;
|
---|
| 461 |
|
---|
| 462 | cstring macro_name = line;
|
---|
| 463 | BOOST_RT_PARAM_VALIDATE_LOGIC( is_valid_identifier( macro_name ),
|
---|
| 464 | BOOST_RT_PARAM_LITERAL( "invalid macro name" ) );
|
---|
| 465 |
|
---|
| 466 | if( !get_macro_value( macro_name ) )
|
---|
| 467 | m_inactive_ifdef_level = m_conditional_states.size();
|
---|
| 468 | }
|
---|
| 469 |
|
---|
| 470 | //____________________________________________________________________________//
|
---|
| 471 |
|
---|
| 472 | void
|
---|
| 473 | config_file_iterator::Impl::process_ifndef( cstring line )
|
---|
| 474 | {
|
---|
| 475 | m_conditional_states.push_back( true );
|
---|
| 476 | if( !is_active_line() )
|
---|
| 477 | return;
|
---|
| 478 |
|
---|
| 479 | cstring macro_name = line;
|
---|
| 480 | BOOST_RT_PARAM_VALIDATE_LOGIC( is_valid_identifier( macro_name ),
|
---|
| 481 | BOOST_RT_PARAM_LITERAL( "invalid macro name" ) );
|
---|
| 482 |
|
---|
| 483 | if( get_macro_value( macro_name ) )
|
---|
| 484 | m_inactive_ifdef_level = m_conditional_states.size();
|
---|
| 485 | }
|
---|
| 486 |
|
---|
| 487 | //____________________________________________________________________________//
|
---|
| 488 |
|
---|
| 489 | void
|
---|
| 490 | config_file_iterator::Impl::process_else( cstring line )
|
---|
| 491 | {
|
---|
| 492 | BOOST_RT_PARAM_VALIDATE_LOGIC( m_conditional_states.size() > 0 && m_conditional_states.back(),
|
---|
| 493 | BOOST_RT_PARAM_LITERAL( "else without matching if" ) );
|
---|
| 494 |
|
---|
| 495 | m_inactive_ifdef_level = m_conditional_states.size() == m_inactive_ifdef_level ? 0 : m_conditional_states.size();
|
---|
| 496 |
|
---|
| 497 | BOOST_RT_PARAM_VALIDATE_LOGIC( line.is_empty(), BOOST_RT_PARAM_LITERAL( "unexpected tokens at the end of else command" ) );
|
---|
| 498 | }
|
---|
| 499 |
|
---|
| 500 | //____________________________________________________________________________//
|
---|
| 501 |
|
---|
| 502 | void
|
---|
| 503 | config_file_iterator::Impl::process_endif( cstring line )
|
---|
| 504 | {
|
---|
| 505 | BOOST_RT_PARAM_VALIDATE_LOGIC( m_conditional_states.size() > 0, BOOST_RT_PARAM_LITERAL( "endif without matching if" ) );
|
---|
| 506 |
|
---|
| 507 | if( m_conditional_states.size() == m_inactive_ifdef_level )
|
---|
| 508 | m_inactive_ifdef_level = 0;
|
---|
| 509 |
|
---|
| 510 | m_conditional_states.pop_back();
|
---|
| 511 | BOOST_RT_PARAM_VALIDATE_LOGIC( line.is_empty(), BOOST_RT_PARAM_LITERAL( "unexpected tokens at the end of endif command" ) );
|
---|
| 512 | }
|
---|
| 513 |
|
---|
| 514 | //____________________________________________________________________________//
|
---|
| 515 |
|
---|
| 516 | void
|
---|
| 517 | config_file_iterator::Impl::substitute_macros( cstring& where )
|
---|
| 518 | {
|
---|
| 519 | m_post_subst_line.clear();
|
---|
| 520 | cstring::size_type pos;
|
---|
| 521 |
|
---|
| 522 | while( (pos = where.find( m_macro_ref_begin )) != cstring::npos ) {
|
---|
| 523 | m_post_subst_line.append( where.begin(), pos );
|
---|
| 524 |
|
---|
| 525 | where.trim_left( where.begin() + pos + m_macro_ref_begin.size() );
|
---|
| 526 |
|
---|
| 527 | pos = where.find( m_macro_ref_end );
|
---|
| 528 |
|
---|
| 529 | BOOST_RT_PARAM_VALIDATE_LOGIC( pos != cstring::npos, BOOST_RT_PARAM_LITERAL( "incomplete macro reference" ) );
|
---|
| 530 |
|
---|
| 531 | cstring value = *get_macro_value( where.substr( 0, pos ), false );
|
---|
| 532 | m_post_subst_line.append( value.begin(), value.size() );
|
---|
| 533 |
|
---|
| 534 | where.trim_left( where.begin() + pos + m_macro_ref_end.size() );
|
---|
| 535 | }
|
---|
| 536 |
|
---|
| 537 | if( !m_post_subst_line.empty() ) {
|
---|
| 538 | m_post_subst_line.append( where.begin(), where.size() );
|
---|
| 539 | where = m_post_subst_line;
|
---|
| 540 | }
|
---|
| 541 | }
|
---|
| 542 |
|
---|
| 543 | //____________________________________________________________________________//
|
---|
| 544 |
|
---|
| 545 | // ************************************************************************** //
|
---|
| 546 | // ************** runtime::file::config_file_iterator ************** //
|
---|
| 547 | // ************************************************************************** //
|
---|
| 548 |
|
---|
| 549 | void
|
---|
| 550 | config_file_iterator::construct()
|
---|
| 551 | {
|
---|
| 552 | m_pimpl.reset( new Impl );
|
---|
| 553 | }
|
---|
| 554 |
|
---|
| 555 | //____________________________________________________________________________//
|
---|
| 556 |
|
---|
| 557 | void
|
---|
| 558 | config_file_iterator::load( cstring file_name )
|
---|
| 559 | {
|
---|
| 560 | m_pimpl->m_curr_level.reset( new include_level( file_name, m_pimpl->m_path_separators ) );
|
---|
| 561 | m_pimpl->m_buffer.reset( new char[m_pimpl->m_buffer_size] );
|
---|
| 562 |
|
---|
| 563 | register_command_handler( m_pimpl->m_include_kw, bind( &Impl::process_include, m_pimpl.get(), _1 ) );
|
---|
| 564 | register_command_handler( m_pimpl->m_define_kw, bind( &Impl::process_define, m_pimpl.get(), _1 ) );
|
---|
| 565 | register_command_handler( m_pimpl->m_undef_kw, bind( &Impl::process_undef, m_pimpl.get(), _1 ) );
|
---|
| 566 | register_command_handler( m_pimpl->m_ifdef_kw, bind( &Impl::process_ifdef, m_pimpl.get(), _1 ) );
|
---|
| 567 | register_command_handler( m_pimpl->m_ifndef_kw, bind( &Impl::process_ifndef, m_pimpl.get(), _1 ) );
|
---|
| 568 | register_command_handler( m_pimpl->m_else_kw, bind( &Impl::process_else, m_pimpl.get(), _1 ) );
|
---|
| 569 | register_command_handler( m_pimpl->m_endif_kw, bind( &Impl::process_endif, m_pimpl.get(), _1 ) );
|
---|
| 570 |
|
---|
| 571 | init();
|
---|
| 572 | }
|
---|
| 573 |
|
---|
| 574 | //____________________________________________________________________________//
|
---|
| 575 |
|
---|
| 576 | location const&
|
---|
| 577 | config_file_iterator::curr_location()
|
---|
| 578 | {
|
---|
| 579 | return m_pimpl->m_curr_level->m_curr_location;
|
---|
| 580 | }
|
---|
| 581 |
|
---|
| 582 | //____________________________________________________________________________//
|
---|
| 583 |
|
---|
| 584 | void
|
---|
| 585 | config_file_iterator::register_command_handler( cstring command_kw, command_handler const& ch )
|
---|
| 586 | {
|
---|
| 587 | m_pimpl->m_command_handler_map.add( command_kw, ch );
|
---|
| 588 | }
|
---|
| 589 |
|
---|
| 590 | //____________________________________________________________________________//
|
---|
| 591 |
|
---|
| 592 | bool
|
---|
| 593 | config_file_iterator::get()
|
---|
| 594 | {
|
---|
| 595 | return m_pimpl->get_next_line( m_value );
|
---|
| 596 | }
|
---|
| 597 |
|
---|
| 598 | //____________________________________________________________________________//
|
---|
| 599 |
|
---|
| 600 | void
|
---|
| 601 | config_file_iterator::set_parameter( rtti::id_t id, cstring value )
|
---|
| 602 | {
|
---|
| 603 | BOOST_RTTI_SWITCH( id ) {
|
---|
| 604 | BOOST_RTTI_CASE( cfg_detail::path_separators_t )
|
---|
| 605 | assign_op( m_pimpl->m_path_separators , value, 0 );
|
---|
| 606 | BOOST_RTTI_CASE( cfg_detail::sl_comment_delimeter_t )
|
---|
| 607 | assign_op( m_pimpl->m_sl_comment_delimeter , value, 0 );
|
---|
| 608 | BOOST_RTTI_CASE( cfg_detail::command_delimeter_t )
|
---|
| 609 | assign_op( m_pimpl->m_command_delimeter , value, 0 );
|
---|
| 610 | BOOST_RTTI_CASE( cfg_detail::line_beak_t )
|
---|
| 611 | assign_op( m_pimpl->m_line_beak , value, 0 );
|
---|
| 612 | BOOST_RTTI_CASE( cfg_detail::macro_ref_begin_t )
|
---|
| 613 | assign_op( m_pimpl->m_macro_ref_begin , value, 0 );
|
---|
| 614 | BOOST_RTTI_CASE( cfg_detail::macro_ref_end_t )
|
---|
| 615 | assign_op( m_pimpl->m_macro_ref_end , value, 0 );
|
---|
| 616 | BOOST_RTTI_CASE( cfg_detail::include_kw_t )
|
---|
| 617 | assign_op( m_pimpl->m_include_kw , value, 0 );
|
---|
| 618 | BOOST_RTTI_CASE( cfg_detail::define_kw_t )
|
---|
| 619 | assign_op( m_pimpl->m_define_kw , value, 0 );
|
---|
| 620 | BOOST_RTTI_CASE( cfg_detail::undef_kw_t )
|
---|
| 621 | assign_op( m_pimpl->m_undef_kw , value, 0 );
|
---|
| 622 | BOOST_RTTI_CASE( cfg_detail::ifdef_kw_t )
|
---|
| 623 | assign_op( m_pimpl->m_ifdef_kw , value, 0 );
|
---|
| 624 | BOOST_RTTI_CASE( cfg_detail::ifndef_kw_t )
|
---|
| 625 | assign_op( m_pimpl->m_ifndef_kw , value, 0 );
|
---|
| 626 | BOOST_RTTI_CASE( cfg_detail::else_kw_t )
|
---|
| 627 | assign_op( m_pimpl->m_else_kw , value, 0 );
|
---|
| 628 | BOOST_RTTI_CASE( cfg_detail::endif_kw_t )
|
---|
| 629 | assign_op( m_pimpl->m_endif_kw , value, 0 );
|
---|
| 630 | }
|
---|
| 631 | }
|
---|
| 632 |
|
---|
| 633 | //____________________________________________________________________________//
|
---|
| 634 |
|
---|
| 635 | void
|
---|
| 636 | config_file_iterator::set_parameter( rtti::id_t id, bool value )
|
---|
| 637 | {
|
---|
| 638 | BOOST_RTTI_SWITCH( id ) {
|
---|
| 639 | BOOST_RTTI_CASE( cfg_detail::trim_leading_spaces_t )
|
---|
| 640 | m_pimpl->m_trim_leading_spaces = value;
|
---|
| 641 | BOOST_RTTI_CASE( cfg_detail::trim_trailing_spaces_t )
|
---|
| 642 | m_pimpl->m_trim_trailing_spaces = value;
|
---|
| 643 | BOOST_RTTI_CASE( cfg_detail::skip_empty_lines_t )
|
---|
| 644 | m_pimpl->m_skip_empty_lines = value;
|
---|
| 645 | BOOST_RTTI_CASE( cfg_detail::detect_missing_macro_t )
|
---|
| 646 | m_pimpl->m_detect_missing_macro = value;
|
---|
| 647 | }
|
---|
| 648 | }
|
---|
| 649 |
|
---|
| 650 | //____________________________________________________________________________//
|
---|
| 651 |
|
---|
| 652 | void
|
---|
| 653 | config_file_iterator::set_parameter( rtti::id_t id, char_type value )
|
---|
| 654 | {
|
---|
| 655 | BOOST_RTTI_SWITCH( id ) {
|
---|
| 656 | BOOST_RTTI_CASE( cfg_detail::line_delimeter_t )
|
---|
| 657 | m_pimpl->m_line_delimeter = value;
|
---|
| 658 | }
|
---|
| 659 | }
|
---|
| 660 |
|
---|
| 661 | //____________________________________________________________________________//
|
---|
| 662 |
|
---|
| 663 | void
|
---|
| 664 | config_file_iterator::set_parameter( rtti::id_t id, std::size_t value )
|
---|
| 665 | {
|
---|
| 666 | BOOST_RTTI_SWITCH( id ) {
|
---|
| 667 | BOOST_RTTI_CASE( cfg_detail::buffer_size_t )
|
---|
| 668 | m_pimpl->m_buffer_size = value;
|
---|
| 669 | }
|
---|
| 670 | }
|
---|
| 671 |
|
---|
| 672 | //____________________________________________________________________________//
|
---|
| 673 |
|
---|
| 674 | } // namespace file
|
---|
| 675 |
|
---|
| 676 | } // namespace BOOST_RT_PARAM_NAMESPACE
|
---|
| 677 |
|
---|
| 678 | } // namespace boost
|
---|
| 679 |
|
---|
| 680 | // ************************************************************************** //
|
---|
| 681 | // Revision History:
|
---|
| 682 | //
|
---|
| 683 | // $Log: config_file_iterator.cpp,v $
|
---|
| 684 | // Revision 1.1 2005/04/12 06:42:44 rogeeff
|
---|
| 685 | // Runtime.Param library initial commit
|
---|
| 686 | //
|
---|
| 687 | // ************************************************************************** //
|
---|