diff options
Diffstat (limited to 'indra/llxuixml/llinitparam.h')
| -rw-r--r-- | indra/llxuixml/llinitparam.h | 115 |
1 files changed, 103 insertions, 12 deletions
diff --git a/indra/llxuixml/llinitparam.h b/indra/llxuixml/llinitparam.h index 9d0fe781ce..fd4482f592 100644 --- a/indra/llxuixml/llinitparam.h +++ b/indra/llxuixml/llinitparam.h @@ -289,20 +289,20 @@ namespace LLInitParam protected: bool anyProvided() const { return mIsProvided; } - Param(class BaseBlock* enclosing_block); + Param(BaseBlock* enclosing_block); // store pointer to enclosing block as offset to reduce space and allow for quick copying - class BaseBlock& enclosingBlock() const + BaseBlock& enclosingBlock() const { const U8* my_addr = reinterpret_cast<const U8*>(this); // get address of enclosing BLOCK class using stored offset to enclosing BaseBlock class - return *const_cast<class BaseBlock*> - (reinterpret_cast<const class BaseBlock*> + return *const_cast<BaseBlock*> + (reinterpret_cast<const BaseBlock*> (my_addr - (ptrdiff_t)(S32)mEnclosingBlockOffset)); } private: - friend class BaseBlock; + friend BaseBlock; U32 mEnclosingBlockOffset:31; U32 mIsProvided:1; @@ -367,18 +367,16 @@ namespace LLInitParam typedef boost::unordered_map<const std::string, ParamDescriptorPtr> param_map_t; typedef std::vector<ParamDescriptorPtr> param_list_t; - typedef std::list<ParamDescriptorPtr> all_params_list_t; + typedef std::list<ParamDescriptorPtr> all_params_list_t; typedef std::vector<std::pair<param_handle_t, ParamDescriptor::validation_func_t> > param_validation_list_t; param_map_t mNamedParams; // parameters with associated names param_list_t mUnnamedParams; // parameters with_out_ associated names param_validation_list_t mValidationList; // parameters that must be validated all_params_list_t mAllParams; // all parameters, owns descriptors - - size_t mMaxParamOffset; - - EInitializationState mInitializationState; // whether or not static block data has been initialized - class BaseBlock* mCurrentBlockPtr; // pointer to block currently being constructed + size_t mMaxParamOffset; + EInitializationState mInitializationState; // whether or not static block data has been initialized + BaseBlock* mCurrentBlockPtr; // pointer to block currently being constructed }; class BaseBlock @@ -499,6 +497,92 @@ namespace LLInitParam const std::string& getParamName(const BlockDescriptor& block_data, const Param* paramp) const; }; + class BaseBlockWithFlags : public BaseBlock + { + public: + class FlagBase : public Param + { + public: + typedef FlagBase self_t; + + FlagBase(const char* name, BaseBlock* enclosing_block) : Param(enclosing_block) + { + if (LL_UNLIKELY(enclosing_block->mostDerivedBlockDescriptor().mInitializationState == BlockDescriptor::INITIALIZING)) + { + ParamDescriptorPtr param_descriptor = ParamDescriptorPtr(new ParamDescriptor( + enclosing_block->getHandleFromParam(this), + &mergeWith, + &deserializeParam, + &serializeParam, + NULL, + &inspectParam, + 0, 1)); + BaseBlock::addParam(enclosing_block->mostDerivedBlockDescriptor(), param_descriptor, name); + } + } + + bool isProvided() const { return anyProvided(); } + + private: + static bool mergeWith(Param& dst, const Param& src, bool overwrite) + { + const self_t& src_typed_param = static_cast<const self_t&>(src); + self_t& dst_typed_param = static_cast<self_t&>(dst); + + if (src_typed_param.isProvided() + && (overwrite || !dst_typed_param.isProvided())) + { + dst.setProvided(true); + return true; + } + return false; + } + + static bool deserializeParam(Param& param, Parser& parser, const Parser::name_stack_range_t& name_stack, S32 generation) + { + self_t& typed_param = static_cast<self_t&>(param); + + // no further names in stack, parse value now + if (name_stack.first == name_stack.second) + { + typed_param.setProvided(true); + typed_param.enclosingBlock().paramChanged(param, true); + return true; + } + + return false; + } + + static void serializeParam(const Param& param, Parser& parser, Parser::name_stack_t& name_stack, const Param* diff_param) + { + const self_t& typed_param = static_cast<const self_t&>(param); + const self_t* typed_diff_param = static_cast<const self_t*>(diff_param); + + if (!typed_param.isProvided()) return; + + if (!name_stack.empty()) + { + name_stack.back().second = parser.newParseGeneration(); + } + + // then try to serialize value directly + if (!typed_diff_param || !typed_diff_param->isProvided()) + { + if (!parser.writeValue(NoParamValue(), name_stack)) + { + return; + } + } + } + + static void inspectParam(const Param& param, Parser& parser, Parser::name_stack_t& name_stack, S32 min_count, S32 max_count) + { + // tell parser about our actual type + parser.inspectValue<NoParamValue>(name_stack, min_count, max_count, NULL); + } + }; + }; + // these templates allow us to distinguish between template parameters // that derive from BaseBlock and those that don't template<typename T, typename Void = void> @@ -1424,7 +1508,7 @@ namespace LLInitParam } }; - template <typename DERIVED_BLOCK, typename BASE_BLOCK = BaseBlock> + template <typename DERIVED_BLOCK, typename BASE_BLOCK = BaseBlockWithFlags> class Block : public BASE_BLOCK { @@ -1520,6 +1604,13 @@ namespace LLInitParam }; + class Flag : public FlagBase + { + public: + Flag(const char* name) : FlagBase(name, DERIVED_BLOCK::selfBlockDescriptor().mCurrentBlockPtr) + {} + }; + template <typename T, typename RANGE = BaseBlock::AnyAmount, typename NAME_VALUE_LOOKUP = TypeValues<T> > class Multiple : public TypedParam<T, NAME_VALUE_LOOKUP, true> { |