diff options
| -rw-r--r-- | indra/llcommon/llinitparam.h | 200 |
1 files changed, 116 insertions, 84 deletions
diff --git a/indra/llcommon/llinitparam.h b/indra/llcommon/llinitparam.h index 9a6d1eff5c..fb12d1df82 100644 --- a/indra/llcommon/llinitparam.h +++ b/indra/llcommon/llinitparam.h @@ -31,6 +31,7 @@ #include <vector> #include <boost/function.hpp> #include <boost/type_traits/is_convertible.hpp> +#include <boost/type_traits/is_enum.hpp> #include <boost/unordered_map.hpp> #include <boost/shared_ptr.hpp> @@ -209,9 +210,7 @@ namespace LLInitParam class LL_COMMON_API Parser { LOG_CLASS(Parser); - public: - typedef std::vector<std::pair<std::string, bool> > name_stack_t; typedef std::pair<name_stack_t::iterator, name_stack_t::iterator> name_stack_range_t; typedef std::vector<std::string> possible_values_t; @@ -224,32 +223,81 @@ namespace LLInitParam typedef std::map<const std::type_info*, parser_write_func_t> parser_write_func_map_t; typedef std::map<const std::type_info*, parser_inspect_func_t> parser_inspect_func_map_t; + private: + template<typename T, bool is_enum = BOOST_IS_ENUM(T)> + struct ReaderWriter + { + static bool read(T& param, Parser* parser) + { + parser_read_func_map_t::iterator found_it = parser->mParserReadFuncs->find(&typeid(T)); + if (found_it != parser->mParserReadFuncs->end()) + { + return found_it->second(*parser, (void*)¶m); + } + return false; + } + + static bool write(const T& param, Parser* parser, name_stack_t& name_stack) + { + parser_write_func_map_t::iterator found_it = parser->mParserWriteFuncs->find(&typeid(T)); + if (found_it != parser->mParserWriteFuncs->end()) + { + return found_it->second(*parser, (const void*)¶m, name_stack); + } + return false; + } + }; + + // read enums as ints + template<typename T> + struct ReaderWriter<T, true> + { + static bool read(T& param, Parser* parser) + { + // read all enums as ints + parser_read_func_map_t::iterator found_it = parser->mParserReadFuncs->find(&typeid(S32)); + if (found_it != parser->mParserReadFuncs->end()) + { + S32 value; + if (found_it->second(*parser, (void*)&value)) + { + param = (T)value; + return true; + } + } + return false; + } + + static bool write(const T& param, Parser* parser, name_stack_t& name_stack) + { + parser_write_func_map_t::iterator found_it = parser->mParserWriteFuncs->find(&typeid(S32)); + if (found_it != parser->mParserWriteFuncs->end()) + { + return found_it->second(*parser, (const void*)¶m, name_stack); + } + return false; + } + }; + + public: + Parser(parser_read_func_map_t& read_map, parser_write_func_map_t& write_map, parser_inspect_func_map_t& inspect_map) : mParseSilently(false), mParserReadFuncs(&read_map), mParserWriteFuncs(&write_map), mParserInspectFuncs(&inspect_map) {} + virtual ~Parser(); template <typename T> bool readValue(T& param) { - parser_read_func_map_t::iterator found_it = mParserReadFuncs->find(&typeid(T)); - if (found_it != mParserReadFuncs->end()) - { - return found_it->second(*this, (void*)¶m); - } - return false; + return ReaderWriter<T>::read(param, this); } template <typename T> bool writeValue(const T& param, name_stack_t& name_stack) { - parser_write_func_map_t::iterator found_it = mParserWriteFuncs->find(&typeid(T)); - if (found_it != mParserWriteFuncs->end()) - { - return found_it->second(*this, (const void*)¶m, name_stack); - } - return false; + return ReaderWriter<T>::write(param, this, name_stack); } // dispatch inspection to registered inspection functions, for each parameter in a param block @@ -841,30 +889,24 @@ namespace LLInitParam self_t& typed_param = static_cast<self_t&>(param); // no further names in stack, attempt to parse value now if (name_stack_range.first == name_stack_range.second) - { - if (parser.readValue(typed_param.getValue())) + { + std::string name; + + // try to parse a known named value + if(name_value_lookup_t::valueNamesExist() + && parser.readValue(name) + && name_value_lookup_t::getValueFromName(name, typed_param.getValue())) { - typed_param.clearValueName(); + typed_param.setValueName(name); typed_param.setProvided(); return true; } - - // try to parse a known named value - if(name_value_lookup_t::valueNamesExist()) + // try to read value directly + else if (parser.readValue(typed_param.getValue())) { - // try to parse a known named value - std::string name; - if (parser.readValue(name)) - { - // try to parse a per type named value - if (name_value_lookup_t::getValueFromName(name, typed_param.getValue())) - { - typed_param.setValueName(name); - typed_param.setProvided(); - return true; - } - - } + typed_param.clearValueName(); + typed_param.setProvided(); + return true; } } return false; @@ -987,30 +1029,29 @@ namespace LLInitParam static bool deserializeParam(Param& param, Parser& parser, const Parser::name_stack_range_t& name_stack_range, bool new_name) { self_t& typed_param = static_cast<self_t&>(param); - // attempt to parse block... + + if (name_stack_range.first == name_stack_range.second) + { // try to parse a known named value + std::string name; + + if(name_value_lookup_t::valueNamesExist() + && parser.readValue(name) + && name_value_lookup_t::getValueFromName(name, typed_param.getValue())) + { + typed_param.setValueName(name); + typed_param.setProvided(); + return true; + } + } + if(typed_param.deserializeBlock(parser, name_stack_range, new_name)) - { + { // attempt to parse block... typed_param.clearValueName(); typed_param.setProvided(); return true; } - if(name_value_lookup_t::valueNamesExist()) - { - // try to parse a known named value - std::string name; - if (parser.readValue(name)) - { - // try to parse a per type named value - if (name_value_lookup_t::getValueFromName(name, typed_param.getValue())) - { - typed_param.setValueName(name); - typed_param.setProvided(); - return true; - } - } - } return false; } @@ -1160,30 +1201,22 @@ namespace LLInitParam value_t value; // no further names in stack, attempt to parse value now if (name_stack_range.first == name_stack_range.second) - { - // attempt to read value directly - if (parser.readValue(value)) + { + std::string name; + + // try to parse a known named value + if(name_value_lookup_t::valueNamesExist() + && parser.readValue(name) + && name_value_lookup_t::getValueFromName(name, value)) { typed_param.add(value); + typed_param.mValues.back().setValueName(name); return true; } - - // try to parse a known named value - if(name_value_lookup_t::valueNamesExist()) + else if (parser.readValue(value)) // attempt to read value directly { - // try to parse a known named value - std::string name; - if (parser.readValue(name)) - { - // try to parse a per type named value - if (name_value_lookup_t::getValueFromName(name, value)) - { - typed_param.add(value); - typed_param.mValues.back().setValueName(name); - return true; - } - - } + typed_param.add(value); + return true; } } return false; @@ -1362,28 +1395,27 @@ namespace LLInitParam param_value_t& value = typed_param.mValues.back(); + if (name_stack_range.first == name_stack_range.second) + { // try to parse a known named value + std::string name; + + if(name_value_lookup_t::valueNamesExist() + && parser.readValue(name) + && name_value_lookup_t::getValueFromName(name, value.getValue())) + { + typed_param.mValues.back().setValueName(name); + typed_param.setProvided(); + return true; + } + } + // attempt to parse block... if(value.deserializeBlock(parser, name_stack_range, new_name)) { typed_param.setProvided(); return true; } - else if(name_value_lookup_t::valueNamesExist()) - { - // try to parse a known named value - std::string name; - if (parser.readValue(name)) - { - // try to parse a per type named value - if (name_value_lookup_t::getValueFromName(name, value.getValue())) - { - typed_param.mValues.back().setValueName(name); - typed_param.setProvided(); - return true; - } - } - } if (new_value) { // failed to parse new value, pop it off |