diff options
Diffstat (limited to 'indra/llxuixml/llinitparam.h')
| -rw-r--r-- | indra/llxuixml/llinitparam.h | 209 |
1 files changed, 144 insertions, 65 deletions
diff --git a/indra/llxuixml/llinitparam.h b/indra/llxuixml/llinitparam.h index a853999e94..69dcd474f7 100644 --- a/indra/llxuixml/llinitparam.h +++ b/indra/llxuixml/llinitparam.h @@ -34,6 +34,8 @@ #include <boost/unordered_map.hpp> #include <boost/shared_ptr.hpp> +#include "llerror.h" + namespace LLInitParam { template<typename T> const T& defaultValue() { static T value; return value; } @@ -287,23 +289,24 @@ 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; - U16 mEnclosingBlockOffset; - bool mIsProvided; + U32 mEnclosingBlockOffset:31; + U32 mIsProvided:1; + }; // various callbacks and constraints associated with an individual param @@ -364,18 +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 @@ -496,6 +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> @@ -714,14 +801,6 @@ namespace LLInitParam Param::enclosingBlock().paramChanged(*this, flag_as_provided); } - void setIfNotProvided(value_assignment_t val, bool flag_as_provided = true) - { - if (!isProvided()) - { - set(val, flag_as_provided); - } - } - // implicit conversion operator value_assignment_t() const { return param_value_t::getValue(); } // explicit conversion @@ -737,7 +816,6 @@ namespace LLInitParam if (src_typed_param.isProvided() && (overwrite || !dst_typed_param.isProvided())) { - dst_typed_param.clearValueName(); dst_typed_param.set(src_typed_param.getValue()); return true; } @@ -867,18 +945,10 @@ namespace LLInitParam Param::enclosingBlock().paramChanged(*this, flag_as_provided); } - void setIfNotProvided(value_assignment_t val, bool flag_as_provided = true) - { - if (!isProvided()) - { - set(val, flag_as_provided); - } - } - // propagate changed status up to enclosing block /*virtual*/ void paramChanged(const Param& changed_param, bool user_provided) { - ParamValue<T, NAME_VALUE_LOOKUP>::paramChanged(changed_param, user_provided); + param_value_t::paramChanged(changed_param, user_provided); Param::enclosingBlock().paramChanged(*this, user_provided); if (user_provided) { @@ -1031,15 +1101,6 @@ namespace LLInitParam Param::enclosingBlock().paramChanged(*this, flag_as_provided); } - - void setIfNotProvided(value_assignment_t val, bool flag_as_provided = true) - { - if (!isProvided()) - { - set(val, flag_as_provided); - } - } - value_t& add() { mValues.push_back(param_value_t(value_t())); @@ -1230,14 +1291,6 @@ namespace LLInitParam Param::enclosingBlock().paramChanged(*this, flag_as_provided); } - void setIfNotProvided(value_assignment_t val, bool flag_as_provided = true) - { - if (!isProvided()) - { - set(val, flag_as_provided); - } - } - value_t& add() { mValues.push_back(value_t()); @@ -1455,7 +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 { @@ -1551,6 +1604,13 @@ namespace LLInitParam }; + class Flag : public BaseBlockWithFlags::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> { @@ -1717,6 +1777,17 @@ namespace LLInitParam static BlockDescriptor sBlockDescriptor; return sBlockDescriptor; } + + template <typename T, typename NAME_VALUE_LOOKUP, bool multiple, bool is_block> + void changeDefault(TypedParam<T, NAME_VALUE_LOOKUP, multiple, is_block>& param, + typename TypedParam<T, NAME_VALUE_LOOKUP, multiple, is_block>::value_assignment_t value) + { + if (!param.isProvided()) + { + param.set(value, false); + } + } + }; template<typename T> @@ -1741,39 +1812,35 @@ namespace LLInitParam : mValue(value), mValueAge(VALUE_AUTHORITATIVE), mKeyVersion(0), - mValidatedVersion(-1) + mValidatedVersion(-1), + mValidated(false) {} bool deserializeBlock(Parser& parser, Parser::name_stack_range_t name_stack, S32 generation) { derived_t& typed_param = static_cast<derived_t&>(*this); - // type to apply parse direct value T + // try to parse direct value T if (name_stack.first == name_stack.second) { if(parser.readValue(typed_param.mValue)) { - typed_param.clearValueName(); typed_param.mValueAge = VALUE_AUTHORITATIVE; - typed_param.updateBlockFromValue(); + typed_param.updateBlockFromValue(false); + + typed_param.clearValueName(); return true; } } // fall back on parsing block components for T - // if we deserialized at least one component... - if (typed_param.BaseBlock::deserializeBlock(parser, name_stack, generation)) - { - return true; - } - - return false; + return typed_param.BaseBlock::deserializeBlock(parser, name_stack, generation); } void serializeBlock(Parser& parser, Parser::name_stack_t name_stack = Parser::name_stack_t(), const BaseBlock* diff_block = NULL) const { - const self_t& typed_param = static_cast<const self_t&>(*this); - const self_t* diff_param = static_cast<const self_t*>(diff_block); + const derived_t& typed_param = static_cast<const derived_t&>(*this); + const derived_t* diff_param = static_cast<const derived_t*>(diff_block); std::string key = typed_param.getValueName(); @@ -1798,7 +1865,20 @@ namespace LLInitParam // be exported as <color green="1"/>, since it was probably the intent of the user to // be specific about the RGB color values. This also fixes an issue where we distinguish // between rect.left not being provided and rect.left being explicitly set to 0 (same as default) - block_t::serializeBlock(parser, name_stack, NULL); + + if (typed_param.mValueAge == VALUE_AUTHORITATIVE) + { + // if the value is authoritative but the parser doesn't accept the value type + // go ahead and make a copy, and splat the value out to its component params + // and serialize those params + derived_t copy(typed_param); + copy.updateBlockFromValue(true); + copy.block_t::serializeBlock(parser, name_stack, NULL); + } + else + { + block_t::serializeBlock(parser, name_stack, NULL); + } } } } @@ -1847,7 +1927,7 @@ namespace LLInitParam { BaseBlock::paramChanged(changed_param, user_provided); if (user_provided) - { + { // a parameter changed, so our value is out of date mValueAge = VALUE_NEEDS_UPDATE; } @@ -1860,7 +1940,7 @@ namespace LLInitParam mValueAge = VALUE_AUTHORITATIVE; mValue = val; typed_param.clearValueName(); - static_cast<derived_t*>(const_cast<self_t*>(this))->updateBlockFromValue(); + static_cast<derived_t*>(this)->updateBlockFromValue(false); } value_assignment_t getValue() const @@ -1915,7 +1995,6 @@ namespace LLInitParam mutable bool mValidated; // lazy validation flag private: - mutable T mValue; mutable EValueAge mValueAge; }; |