diff options
Diffstat (limited to 'indra/llcommon/llinitparam.h')
| -rwxr-xr-x[-rw-r--r--] | indra/llcommon/llinitparam.h | 1657 |
1 files changed, 1025 insertions, 632 deletions
diff --git a/indra/llcommon/llinitparam.h b/indra/llcommon/llinitparam.h index 0dd6030fa2..ae836645b9 100644..100755 --- a/indra/llcommon/llinitparam.h +++ b/indra/llcommon/llinitparam.h @@ -38,6 +38,71 @@ #include "llerror.h" #include "llstl.h" +namespace LLTypeTags +{ + template <typename INNER_TYPE, int _SORT_ORDER> + struct TypeTagBase + { + typedef void is_tag_t; + typedef INNER_TYPE inner_t; + static const int SORT_ORDER=_SORT_ORDER; + }; + + template <int VAL1, int VAL2> + struct GreaterThan + { + static const bool value = VAL1 > VAL2; + }; + + template<typename ITEM, typename REST, bool NEEDS_SWAP = GreaterThan<ITEM::SORT_ORDER, REST::SORT_ORDER>::value > + struct Swap + { + typedef typename ITEM::template Cons<REST>::value_t value_t; + }; + + template<typename ITEM, typename REST> + struct Swap<ITEM, REST, true> + { + typedef typename REST::template Cons<Swap<ITEM, typename REST::inner_t>::value_t>::value_t value_t; + }; + + template<typename T, typename SORTABLE = void> + struct IsSortable + { + static const bool value = false; + }; + + template<typename T> + struct IsSortable<T, typename T::is_tag_t> + { + static const bool value = true; + }; + + template<typename ITEM, typename REST, bool IS_REST_SORTABLE = IsSortable<REST>::value> + struct InsertInto + { + typedef typename ITEM::template Cons<REST>::value_t value_t; + }; + + template<typename ITEM, typename REST> + struct InsertInto <ITEM, REST, true> + { + typedef typename Swap<ITEM, REST>::value_t value_t; + }; + + template<typename T, bool SORTABLE = IsSortable<T>::value> + struct Sorted + { + typedef T value_t; + }; + + template<typename T> + struct Sorted <T, true> + { + typedef typename InsertInto<T, typename Sorted<typename T::inner_t>::value_t>::value_t value_t; + }; +} + namespace LLInitParam { // used to indicate no matching value to a given name when parsing @@ -45,6 +110,8 @@ namespace LLInitParam template<typename T> const T& defaultValue() { static T value; return value; } + // wraps comparison operator between any 2 values of the same type + // specialize to handle cases where equality isn't defined well, or at all template <typename T, bool IS_BOOST_FUNCTION = boost::is_convertible<T, boost::function_base>::value > struct ParamCompare { @@ -79,24 +146,123 @@ namespace LLInitParam // helper functions and classes typedef ptrdiff_t param_handle_t; + struct IS_A_BLOCK {}; + struct NOT_BLOCK {}; + + // these templates allow us to distinguish between template parameters + // that derive from BaseBlock and those that don't + template<typename T, typename BLOCK_IDENTIFIER = void> + struct IsBlock + { + typedef NOT_BLOCK value_t; + }; + + template<typename T> + struct IsBlock<T, typename T::baseblock_base_class_t> + { + typedef IS_A_BLOCK value_t; + }; + + // ParamValue class directly manages the wrapped value + // by holding on to a copy (scalar params) + // or deriving from it (blocks) + // has specializations for custom value behavior + // and "tag" values like Lazy and Atomic + template<typename T, typename VALUE_IS_BLOCK = typename IsBlock<T>::value_t> + class ParamValue + { + typedef ParamValue<T, VALUE_IS_BLOCK> self_t; + + public: + typedef T default_value_t; + typedef T value_t; + + ParamValue(): mValue() {} + ParamValue(const default_value_t& other) : mValue(other) {} + + void setValue(const value_t& val) + { + mValue = val; + } + + const value_t& getValue() const + { + return mValue; + } + + T& getValue() + { + return mValue; + } + + protected: + T mValue; + }; + + template<typename T> + class ParamValue<T, IS_A_BLOCK> + : public T + { + typedef ParamValue<T, IS_A_BLOCK> self_t; + public: + typedef T default_value_t; + typedef T value_t; + + ParamValue() + : T(), + mValidated(false) + {} + + ParamValue(const default_value_t& other) + : T(other), + mValidated(false) + {} + + void setValue(const value_t& val) + { + *this = val; + } + + const value_t& getValue() const + { + return *this; + } + + T& getValue() + { + return *this; + } + + protected: + mutable bool mValidated; // lazy validation flag + }; + // empty default implementation of key cache // leverages empty base class optimization template <typename T> class TypeValues + : public ParamValue<typename LLTypeTags::Sorted<T>::value_t> { private: struct Inaccessable{}; public: typedef std::map<std::string, T> value_name_map_t; typedef Inaccessable name_t; + typedef TypeValues<T> type_value_t; + typedef ParamValue<typename LLTypeTags::Sorted<T>::value_t> param_value_t; + typedef typename param_value_t::value_t value_t; + + TypeValues(const typename param_value_t::value_t& val) + : param_value_t(val) + {} void setValueName(const std::string& key) {} std::string getValueName() const { return ""; } - std::string calcValueName(const T& value) const { return ""; } + std::string calcValueName(const value_t& value) const { return ""; } void clearValueName() const {} - static bool getValueFromName(const std::string& name, T& value) + static bool getValueFromName(const std::string& name, value_t& value) { return false; } @@ -111,15 +277,39 @@ namespace LLInitParam return NULL; } + void assignNamedValue(const Inaccessable& name) + {} + + operator const value_t&() const + { + return param_value_t::getValue(); + } + + const value_t& operator()() const + { + return param_value_t::getValue(); + } + static value_name_map_t* getValueNames() {return NULL;} }; - template <typename T, typename DERIVED_TYPE = TypeValues<T> > + // helper class to implement name value lookups + // and caching of last used name + template <typename T, typename DERIVED_TYPE = TypeValues<T>, bool IS_SPECIALIZED = true > class TypeValuesHelper + : public ParamValue<typename LLTypeTags::Sorted<T>::value_t> { + typedef TypeValuesHelper<T, DERIVED_TYPE, IS_SPECIALIZED> self_t; public: typedef typename std::map<std::string, T> value_name_map_t; typedef std::string name_t; + typedef self_t type_value_t; + typedef ParamValue<typename LLTypeTags::Sorted<T>::value_t> param_value_t; + typedef typename param_value_t::value_t value_t; + + TypeValuesHelper(const typename param_value_t::value_t& val) + : param_value_t(val) + {} //TODO: cache key by index to save on param block size void setValueName(const std::string& value_name) @@ -132,7 +322,7 @@ namespace LLInitParam return mValueName; } - std::string calcValueName(const T& value) const + std::string calcValueName(const value_t& value) const { value_name_map_t* map = getValueNames(); for (typename value_name_map_t::iterator it = map->begin(), end_it = map->end(); @@ -153,7 +343,7 @@ namespace LLInitParam mValueName.clear(); } - static bool getValueFromName(const std::string& name, T& value) + static bool getValueFromName(const std::string& name, value_t& value) { value_name_map_t* map = getValueNames(); typename value_name_map_t::iterator found_it = map->find(name); @@ -195,18 +385,90 @@ namespace LLInitParam return &sValues; } - static void declare(const std::string& name, const T& value) + static void declare(const std::string& name, const value_t& value) { (*getValueNames())[name] = value; } + void operator ()(const std::string& name) + { + *this = name; + } + + void assignNamedValue(const std::string& name) + { + if (getValueFromName(name, param_value_t::getValue())) + { + setValueName(name); + } + } + + operator const value_t&() const + { + return param_value_t::getValue(); + } + + const value_t& operator()() const + { + return param_value_t::getValue(); + } + protected: - static void getName(const std::string& name, const T& value) + static void getName(const std::string& name, const value_t& value) {} mutable std::string mValueName; }; + // string types can support custom named values, but need + // to disambiguate in code between a string that is a named value + // and a string that is a name + template <typename DERIVED_TYPE> + class TypeValuesHelper<std::string, DERIVED_TYPE, true> + : public TypeValuesHelper<std::string, DERIVED_TYPE, false> + { + public: + typedef TypeValuesHelper<std::string, DERIVED_TYPE, true> self_t; + typedef TypeValuesHelper<std::string, DERIVED_TYPE, false> base_t; + typedef std::string value_t; + typedef std::string name_t; + typedef self_t type_value_t; + + TypeValuesHelper(const std::string& val) + : TypeValuesHelper(val) + {} + + void operator ()(const std::string& name) + { + *this = name; + } + + self_t& operator =(const std::string& name) + { + if (base_t::getValueFromName(name, ParamValue<std::string>::getValue())) + { + base_t::setValueName(name); + } + else + { + ParamValue<std::string>::setValue(name); + } + return *this; + } + + operator const value_t&() const + { + return ParamValue<std::string>::getValue(); + } + + const value_t& operator()() const + { + return ParamValue<std::string>::getValue(); + } + + }; + + // parser base class with mechanisms for registering readers/writers/inspectors of different types class LL_COMMON_API Parser { LOG_CLASS(Parser); @@ -223,82 +485,58 @@ 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>::value> - struct ReaderWriter - { - static bool read(T& param, Parser* parser) + 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, typename boost::disable_if<boost::is_enum<T> >::type* dummy = 0) { - parser_read_func_map_t::iterator found_it = parser->mParserReadFuncs->find(&typeid(T)); - if (found_it != parser->mParserReadFuncs->end()) + parser_read_func_map_t::iterator found_it = mParserReadFuncs->find(&typeid(T)); + if (found_it != mParserReadFuncs->end()) { - return found_it->second(*parser, (void*)¶m); + return found_it->second(*this, (void*)¶m); } + return false; } - static bool write(const T& param, Parser* parser, name_stack_t& name_stack) + template <typename T> bool readValue(T& param, typename boost::enable_if<boost::is_enum<T> >::type* dummy = 0) { - parser_write_func_map_t::iterator found_it = parser->mParserWriteFuncs->find(&typeid(T)); - if (found_it != parser->mParserWriteFuncs->end()) + parser_read_func_map_t::iterator found_it = mParserReadFuncs->find(&typeid(T)); + if (found_it != mParserReadFuncs->end()) { - return found_it->second(*parser, (const void*)¶m, name_stack); + return found_it->second(*this, (void*)¶m); } - return false; - } - }; - - // read enums as ints - template<typename T> - struct ReaderWriter<T, true> + else { - 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()) + found_it = mParserReadFuncs->find(&typeid(S32)); + if (found_it != mParserReadFuncs->end()) { - S32 value; - if (found_it->second(*parser, (void*)&value)) - { - param = (T)value; - return true; + S32 int_value; + bool parsed = found_it->second(*this, (void*)&int_value); + param = (T)int_value; + return parsed; } } return false; } - static bool write(const T& param, Parser* parser, name_stack_t& name_stack) + template <typename T> bool writeValue(const T& param, name_stack_t& name_stack) { - parser_write_func_map_t::iterator found_it = parser->mParserWriteFuncs->find(&typeid(S32)); - if (found_it != parser->mParserWriteFuncs->end()) + parser_write_func_map_t::iterator found_it = mParserWriteFuncs->find(&typeid(T)); + if (found_it != mParserWriteFuncs->end()) { - return found_it->second(*parser, (const void*)¶m, name_stack); + return found_it->second(*this, (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) - { - return ReaderWriter<T>::read(param, this); - } - - template <typename T> bool writeValue(const T& param, name_stack_t& name_stack) - { - return ReaderWriter<T>::write(param, this, name_stack); - } // dispatch inspection to registered inspection functions, for each parameter in a param block template <typename T> bool inspectValue(name_stack_t& name_stack, S32 min_count, S32 max_count, const possible_values_t* possible_values) @@ -350,7 +588,7 @@ namespace LLInitParam }; typedef bool(*merge_func_t)(Param&, const Param&, bool); - typedef bool(*deserialize_func_t)(Param&, Parser&, const Parser::name_stack_range_t&, bool); + typedef bool(*deserialize_func_t)(Param&, Parser&, Parser::name_stack_range_t&, bool); typedef void(*serialize_func_t)(const Param&, Parser&, Parser::name_stack_t&, const Param* diff_param); typedef void(*inspect_func_t)(const Param&, Parser&, Parser::name_stack_t&, S32 min_count, S32 max_count); typedef bool(*validation_func_t)(const Param*); @@ -395,6 +633,7 @@ namespace LLInitParam } EInitializationState; void aggregateBlockData(BlockDescriptor& src_block_data); + void addParam(ParamDescriptorPtr param, const char* name); typedef boost::unordered_map<const std::string, ParamDescriptorPtr> param_map_t; typedef std::vector<ParamDescriptorPtr> param_list_t; @@ -410,48 +649,58 @@ namespace LLInitParam class BaseBlock* mCurrentBlockPtr; // pointer to block currently being constructed }; - class LL_COMMON_API BaseBlock - { - public: //TODO: implement in terms of owned_ptr template<typename T> - class Lazy + class LazyValue { public: - Lazy() + LazyValue() : mPtr(NULL) {} - ~Lazy() + ~LazyValue() { delete mPtr; } - Lazy(const Lazy& other) + LazyValue(const T& value) { - if (other.mPtr) + mPtr = new T(value); + } + + LazyValue(const LazyValue& other) + : mPtr(NULL) { - mPtr = new T(*other.mPtr); + *this = other; } - else + + LazyValue& operator = (const LazyValue& other) { + if (!other.mPtr) + { + delete mPtr; mPtr = NULL; } - } - - Lazy<T>& operator = (const Lazy<T>& other) + else { - if (other.mPtr) + if (!mPtr) { mPtr = new T(*other.mPtr); } else { - mPtr = NULL; + *mPtr = *(other.mPtr); + } } return *this; } + bool operator==(const LazyValue& other) const + { + if (empty() || other.empty()) return false; + return *mPtr == *other.mPtr; + } + bool empty() const { return mPtr == NULL; @@ -459,18 +708,29 @@ namespace LLInitParam void set(const T& other) { - delete mPtr; + if (!mPtr) + { mPtr = new T(other); } + else + { + *mPtr = other; + } + } const T& get() const { - return ensureInstance(); + return *ensureInstance(); } T& get() { - return ensureInstance(); + return *ensureInstance(); + } + + operator const T&() const + { + return get(); } private: @@ -485,13 +745,50 @@ namespace LLInitParam } private: - // if you get a compilation error with this, that means you are using a forward declared struct for T - // unfortunately, the type traits we rely on don't work with forward declared typed - //static const int dummy = sizeof(T); mutable T* mPtr; }; + // root class of all parameter blocks + + class LL_COMMON_API BaseBlock + { + public: + // lift block tags into baseblock namespace so derived classes do not need to qualify them + typedef LLInitParam::IS_A_BLOCK IS_A_BLOCK; + typedef LLInitParam::NOT_BLOCK NOT_A_BLOCK; + + template<typename T> + struct Sequential : public LLTypeTags::TypeTagBase<T, 2> + { + template <typename S> struct Cons { typedef Sequential<ParamValue<S> > value_t; }; + template <typename S> struct Cons<Sequential<S> > { typedef Sequential<S> value_t; }; + }; + + template<typename T> + struct Atomic : public LLTypeTags::TypeTagBase<T, 1> + { + template <typename S> struct Cons { typedef Atomic<ParamValue<S> > value_t; }; + template <typename S> struct Cons<Atomic<S> > { typedef Atomic<S> value_t; }; + }; + + template<typename T, typename BLOCK_T = typename IsBlock<T>::value_t > + struct Lazy : public LLTypeTags::TypeTagBase<T, 0> + { + template <typename S> struct Cons + { + typedef Lazy<ParamValue<S, BLOCK_T>, BLOCK_T> value_t; + }; + template <typename S> struct Cons<Lazy<S, IS_A_BLOCK> > + { + typedef Lazy<S, IS_A_BLOCK> value_t; + }; + template <typename S> struct Cons<Lazy<S, NOT_A_BLOCK> > + { + typedef Lazy<S, BLOCK_T> value_t; + }; + }; + // "Multiple" constraint types, put here in root class to avoid ambiguity during use struct AnyAmount { @@ -557,12 +854,12 @@ namespace LLInitParam // Blocks can override this to do custom tracking of changes virtual void paramChanged(const Param& changed_param, bool user_provided) {} - bool deserializeBlock(Parser& p, Parser::name_stack_range_t name_stack_range, bool new_name); + bool deserializeBlock(Parser& p, Parser::name_stack_range_t& name_stack_range, bool new_name); void serializeBlock(Parser& p, Parser::name_stack_t& name_stack, const BaseBlock* diff_block = NULL) const; bool inspectBlock(Parser& p, Parser::name_stack_t name_stack = Parser::name_stack_t(), S32 min_count = 0, S32 max_count = S32_MAX) const; - virtual const BlockDescriptor& mostDerivedBlockDescriptor() const { return selfBlockDescriptor(); } - virtual BlockDescriptor& mostDerivedBlockDescriptor() { return selfBlockDescriptor(); } + virtual const BlockDescriptor& mostDerivedBlockDescriptor() const { return getBlockDescriptor(); } + virtual BlockDescriptor& mostDerivedBlockDescriptor() { return getBlockDescriptor(); } // take all provided params from other and apply to self bool overwriteFrom(const BaseBlock& other) @@ -576,10 +873,17 @@ namespace LLInitParam return false; } - static void addParam(BlockDescriptor& block_data, ParamDescriptorPtr param, const char* name); - ParamDescriptorPtr findParamDescriptor(const Param& param); + // take all provided params from other and apply to self + bool mergeBlock(BlockDescriptor& block_data, const BaseBlock& other, bool overwrite); + + static BlockDescriptor& getBlockDescriptor() + { + static BlockDescriptor sBlockDescriptor; + return sBlockDescriptor; + } + protected: void init(BlockDescriptor& descriptor, BlockDescriptor& base_descriptor, size_t block_size); @@ -588,25 +892,11 @@ namespace LLInitParam { return mergeBlock(block_data, source, overwrite); } - // take all provided params from other and apply to self - bool mergeBlock(BlockDescriptor& block_data, const BaseBlock& other, bool overwrite); - - static BlockDescriptor& selfBlockDescriptor() - { - static BlockDescriptor sBlockDescriptor; - return sBlockDescriptor; - } private: const std::string& getParamName(const BlockDescriptor& block_data, const Param* paramp) const; }; - template<typename T> - struct ParamCompare<BaseBlock::Lazy<T>, false > - { - static bool equals(const BaseBlock::Lazy<T>& a, const BaseBlock::Lazy<T>& b) { return !a.empty() || !b.empty(); } - }; - class LL_COMMON_API Param { public: @@ -635,256 +925,68 @@ namespace LLInitParam // get address of enclosing BLOCK class using stored offset to enclosing BaseBlock class return *const_cast<BaseBlock*> (reinterpret_cast<const BaseBlock*> - (my_addr - (ptrdiff_t)(S32)mEnclosingBlockOffset)); - } - - private: - friend class BaseBlock; - - U32 mEnclosingBlockOffset:31; - U32 mIsProvided:1; - - }; - - // these templates allow us to distinguish between template parameters - // that derive from BaseBlock and those that don't - template<typename T, typename Void = void> - struct IsBlock - { - static const bool value = false; - struct EmptyBase {}; - typedef EmptyBase base_class_t; - }; - - template<typename T> - struct IsBlock<T, typename T::baseblock_base_class_t> - { - static const bool value = true; - typedef BaseBlock base_class_t; - }; - - template<typename T> - struct IsBlock<BaseBlock::Lazy<T>, typename T::baseblock_base_class_t > - { - static const bool value = true; - typedef BaseBlock base_class_t; - }; - - template<typename T, typename NAME_VALUE_LOOKUP, bool VALUE_IS_BLOCK = IsBlock<T>::value> - class ParamValue : public NAME_VALUE_LOOKUP - { - public: - typedef const T& value_assignment_t; - typedef T value_t; - typedef ParamValue<T, NAME_VALUE_LOOKUP, VALUE_IS_BLOCK> self_t; - - ParamValue(): mValue() {} - ParamValue(value_assignment_t other) : mValue(other) {} - - void setValue(value_assignment_t val) - { - mValue = val; - } - - value_assignment_t getValue() const - { - return mValue; - } - - T& getValue() - { - return mValue; - } - - operator value_assignment_t() const - { - return mValue; - } - - value_assignment_t operator()() const - { - return mValue; - } - - void operator ()(const typename NAME_VALUE_LOOKUP::name_t& name) - { - *this = name; - } - - self_t& operator =(const typename NAME_VALUE_LOOKUP::name_t& name) - { - if (NAME_VALUE_LOOKUP::getValueFromName(name, mValue)) - { - setValueName(name); - } - - return *this; - } - - protected: - T mValue; - }; - - template<typename T, typename NAME_VALUE_LOOKUP> - class ParamValue<T, NAME_VALUE_LOOKUP, true> - : public T, - public NAME_VALUE_LOOKUP - { - public: - typedef const T& value_assignment_t; - typedef T value_t; - typedef ParamValue<T, NAME_VALUE_LOOKUP, true> self_t; - - ParamValue() - : T(), - mValidated(false) - {} - - ParamValue(value_assignment_t other) - : T(other), - mValidated(false) - {} - - void setValue(value_assignment_t val) - { - *this = val; - } - - value_assignment_t getValue() const - { - return *this; - } - - T& getValue() - { - return *this; - } - - operator value_assignment_t() const - { - return *this; - } - - value_assignment_t operator()() const - { - return *this; - } - - void operator ()(const typename NAME_VALUE_LOOKUP::name_t& name) - { - *this = name; - } - - self_t& operator =(const typename NAME_VALUE_LOOKUP::name_t& name) - { - if (NAME_VALUE_LOOKUP::getValueFromName(name, *this)) - { - setValueName(name); - } - - return *this; + (my_addr - (ptrdiff_t)getEnclosingBlockOffset())); } - protected: - mutable bool mValidated; // lazy validation flag - }; - - template<typename NAME_VALUE_LOOKUP> - class ParamValue<std::string, NAME_VALUE_LOOKUP, false> - : public NAME_VALUE_LOOKUP + U32 getEnclosingBlockOffset() const { - public: - typedef const std::string& value_assignment_t; - typedef std::string value_t; - typedef ParamValue<std::string, NAME_VALUE_LOOKUP, false> self_t; - - ParamValue(): mValue() {} - ParamValue(value_assignment_t other) : mValue(other) {} - - void setValue(value_assignment_t val) - { - if (NAME_VALUE_LOOKUP::getValueFromName(val, mValue)) - { - NAME_VALUE_LOOKUP::setValueName(val); - } - else - { - mValue = val; - } - } - - value_assignment_t getValue() const - { - return mValue; - } - - std::string& getValue() - { - return mValue; + return ((U32)mEnclosingBlockOffsetHigh << 16) | (U32)mEnclosingBlockOffsetLow; } - operator value_assignment_t() const - { - return mValue; - } + private: + friend class BaseBlock; - value_assignment_t operator()() const - { - return mValue; - } + //24 bits for member offset field and 1 bit for provided flag + U16 mEnclosingBlockOffsetLow; + U8 mEnclosingBlockOffsetHigh:7; + U8 mIsProvided:1; - protected: - std::string mValue; }; - template<typename T, typename NAME_VALUE_LOOKUP = TypeValues<T> > struct ParamIterator { - typedef typename std::vector<ParamValue<T, NAME_VALUE_LOOKUP> >::const_iterator const_iterator; - typedef typename std::vector<ParamValue<T, NAME_VALUE_LOOKUP> >::iterator iterator; + typedef typename std::vector<typename NAME_VALUE_LOOKUP::type_value_t >::const_iterator const_iterator; + typedef typename std::vector<typename NAME_VALUE_LOOKUP::type_value_t >::iterator iterator; }; - // specialize for custom parsing/decomposition of specific classes - // e.g. TypedParam<LLRect> has left, top, right, bottom, etc... + // wrapper for parameter with a known type + // specialized to handle 4 cases: + // simple "scalar" value + // parameter that is itself a block + // multiple scalar values, stored in a vector + // multiple blocks, stored in a vector template<typename T, typename NAME_VALUE_LOOKUP = TypeValues<T>, bool HAS_MULTIPLE_VALUES = false, - bool VALUE_IS_BLOCK = IsBlock<ParamValue<T, NAME_VALUE_LOOKUP> >::value> + typename VALUE_IS_BLOCK = typename IsBlock<ParamValue<typename LLTypeTags::Sorted<T>::value_t> >::value_t> class TypedParam : public Param, - public ParamValue<T, NAME_VALUE_LOOKUP> + public NAME_VALUE_LOOKUP::type_value_t { + protected: + typedef TypedParam<T, NAME_VALUE_LOOKUP, HAS_MULTIPLE_VALUES, VALUE_IS_BLOCK> self_t; + typedef ParamValue<typename LLTypeTags::Sorted<T>::value_t> param_value_t; + typedef typename param_value_t::default_value_t default_value_t; + typedef typename NAME_VALUE_LOOKUP::type_value_t named_value_t; public: - typedef TypedParam<T, NAME_VALUE_LOOKUP, HAS_MULTIPLE_VALUES, VALUE_IS_BLOCK> self_t; - typedef ParamValue<T, NAME_VALUE_LOOKUP> param_value_t; - typedef typename param_value_t::value_assignment_t value_assignment_t; - typedef NAME_VALUE_LOOKUP name_value_lookup_t; + typedef typename param_value_t::value_t value_t; - using param_value_t::operator(); + using named_value_t::operator(); - TypedParam(BlockDescriptor& block_descriptor, const char* name, value_assignment_t value, ParamDescriptor::validation_func_t validate_func, S32 min_count, S32 max_count) - : Param(block_descriptor.mCurrentBlockPtr) + TypedParam(BlockDescriptor& block_descriptor, const char* name, const default_value_t& value, ParamDescriptor::validation_func_t validate_func, S32 min_count, S32 max_count) + : Param(block_descriptor.mCurrentBlockPtr), + named_value_t(value) { if (LL_UNLIKELY(block_descriptor.mInitializationState == BlockDescriptor::INITIALIZING)) { - ParamDescriptorPtr param_descriptor = ParamDescriptorPtr(new ParamDescriptor( - block_descriptor.mCurrentBlockPtr->getHandleFromParam(this), - &mergeWith, - &deserializeParam, - &serializeParam, - validate_func, - &inspectParam, - min_count, max_count)); - BaseBlock::addParam(block_descriptor, param_descriptor, name); + init(block_descriptor, validate_func, min_count, max_count, name); } - - setValue(value); } bool isProvided() const { return Param::anyProvided(); } - static bool deserializeParam(Param& param, Parser& parser, const Parser::name_stack_range_t& name_stack_range, bool new_name) + static bool deserializeParam(Param& param, Parser& parser, Parser::name_stack_range_t& name_stack_range, bool new_name) { self_t& typed_param = static_cast<self_t&>(param); // no further names in stack, attempt to parse value now @@ -893,9 +995,9 @@ namespace LLInitParam std::string name; // try to parse a known named value - if(name_value_lookup_t::valueNamesExist() + if(named_value_t::valueNamesExist() && parser.readValue(name) - && name_value_lookup_t::getValueFromName(name, typed_param.getValue())) + && named_value_t::getValueFromName(name, typed_param.getValue())) { typed_param.setValueName(name); typed_param.setProvided(); @@ -939,7 +1041,9 @@ namespace LLInitParam if (!parser.writeValue(typed_param.getValue(), name_stack)) { std::string calculated_key = typed_param.calcValueName(typed_param.getValue()); - if (!diff_param || !ParamCompare<std::string>::equals(static_cast<const self_t*>(diff_param)->getValueName(), calculated_key)) + if (calculated_key.size() + && (!diff_param + || !ParamCompare<std::string>::equals(static_cast<const self_t*>(diff_param)->getValueName(), calculated_key))) { parser.writeValue(calculated_key, name_stack); } @@ -952,22 +1056,23 @@ namespace LLInitParam // tell parser about our actual type parser.inspectValue<T>(name_stack, min_count, max_count, NULL); // then tell it about string-based alternatives ("red", "blue", etc. for LLColor4) - if (name_value_lookup_t::getPossibleValues()) + if (named_value_t::getPossibleValues()) { - parser.inspectValue<std::string>(name_stack, min_count, max_count, name_value_lookup_t::getPossibleValues()); + parser.inspectValue<std::string>(name_stack, min_count, max_count, named_value_t::getPossibleValues()); } } - void set(value_assignment_t val, bool flag_as_provided = true) + void set(const value_t& val, bool flag_as_provided = true) { - param_value_t::clearValueName(); + named_value_t::clearValueName(); setValue(val); setProvided(flag_as_provided); } - self_t& operator =(const typename NAME_VALUE_LOOKUP::name_t& name) + self_t& operator =(const typename named_value_t::name_t& name) { - return static_cast<self_t&>(param_value_t::operator =(name)); + named_value_t::assignNamedValue(name); + return *this; } protected: @@ -992,41 +1097,47 @@ namespace LLInitParam } return false; } + private: + void init( BlockDescriptor &block_descriptor, ParamDescriptor::validation_func_t validate_func, S32 min_count, S32 max_count, const char* name ) + { + ParamDescriptorPtr param_descriptor = ParamDescriptorPtr(new ParamDescriptor( + block_descriptor.mCurrentBlockPtr->getHandleFromParam(this), + &mergeWith, + &deserializeParam, + &serializeParam, + validate_func, + &inspectParam, + min_count, max_count)); + block_descriptor.addParam(param_descriptor, name); + } }; // parameter that is a block template <typename T, typename NAME_VALUE_LOOKUP> - class TypedParam<T, NAME_VALUE_LOOKUP, false, true> + class TypedParam<T, NAME_VALUE_LOOKUP, false, IS_A_BLOCK> : public Param, - public ParamValue<T, NAME_VALUE_LOOKUP> + public NAME_VALUE_LOOKUP::type_value_t { + protected: + typedef ParamValue<typename LLTypeTags::Sorted<T>::value_t> param_value_t; + typedef typename param_value_t::default_value_t default_value_t; + typedef TypedParam<T, NAME_VALUE_LOOKUP, false, IS_A_BLOCK> self_t; + typedef typename NAME_VALUE_LOOKUP::type_value_t named_value_t; public: - typedef ParamValue<T, NAME_VALUE_LOOKUP> param_value_t; - typedef typename param_value_t::value_assignment_t value_assignment_t; - typedef TypedParam<T, NAME_VALUE_LOOKUP, false, true> self_t; - typedef NAME_VALUE_LOOKUP name_value_lookup_t; - - using param_value_t::operator(); + using named_value_t::operator(); + typedef typename param_value_t::value_t value_t; - TypedParam(BlockDescriptor& block_descriptor, const char* name, value_assignment_t value, ParamDescriptor::validation_func_t validate_func, S32 min_count, S32 max_count) + TypedParam(BlockDescriptor& block_descriptor, const char* name, const default_value_t& value, ParamDescriptor::validation_func_t validate_func, S32 min_count, S32 max_count) : Param(block_descriptor.mCurrentBlockPtr), - param_value_t(value) + named_value_t(value) { if (LL_UNLIKELY(block_descriptor.mInitializationState == BlockDescriptor::INITIALIZING)) { - ParamDescriptorPtr param_descriptor = ParamDescriptorPtr(new ParamDescriptor( - block_descriptor.mCurrentBlockPtr->getHandleFromParam(this), - &mergeWith, - &deserializeParam, - &serializeParam, - validate_func, - &inspectParam, - min_count, max_count)); - BaseBlock::addParam(block_descriptor, param_descriptor, name); + init(block_descriptor, validate_func, min_count, max_count, name); } } - static bool deserializeParam(Param& param, Parser& parser, const Parser::name_stack_range_t& name_stack_range, bool new_name) + static bool deserializeParam(Param& param, Parser& parser, Parser::name_stack_range_t& name_stack_range, bool new_name) { self_t& typed_param = static_cast<self_t&>(param); @@ -1034,9 +1145,9 @@ namespace LLInitParam { // try to parse a known named value std::string name; - if(name_value_lookup_t::valueNamesExist() + if(named_value_t::valueNamesExist() && parser.readValue(name) - && name_value_lookup_t::getValueFromName(name, typed_param.getValue())) + && named_value_t::getValueFromName(name, typed_param.getValue())) { typed_param.setValueName(name); typed_param.setProvided(); @@ -1068,9 +1179,9 @@ namespace LLInitParam std::string key = typed_param.getValueName(); if (!key.empty()) { - if (!parser.writeValue(key, name_stack)) + if (!diff_param || !ParamCompare<std::string>::equals(static_cast<const self_t*>(diff_param)->getValueName(), key)) { - return; + parser.writeValue(key, name_stack); } } else @@ -1081,8 +1192,16 @@ namespace LLInitParam static void inspectParam(const Param& param, Parser& parser, Parser::name_stack_t& name_stack, S32 min_count, S32 max_count) { - // I am a param that is also a block, so just recurse into my contents const self_t& typed_param = static_cast<const self_t&>(param); + + // tell parser about our actual type + parser.inspectValue<value_t>(name_stack, min_count, max_count, NULL); + // then tell it about string-based alternatives ("red", "blue", etc. for LLColor4) + if (named_value_t::getPossibleValues()) + { + parser.inspectValue<std::string>(name_stack, min_count, max_count, named_value_t::getPossibleValues()); + } + typed_param.inspectBlock(parser, name_stack, min_count, max_count); } @@ -1100,32 +1219,34 @@ namespace LLInitParam } // assign block contents to this param-that-is-a-block - void set(value_assignment_t val, bool flag_as_provided = true) + void set(const value_t& val, bool flag_as_provided = true) { setValue(val); - param_value_t::clearValueName(); + named_value_t::clearValueName(); // force revalidation of block // next call to isProvided() will update provision status based on validity param_value_t::mValidated = false; setProvided(flag_as_provided); } - self_t& operator =(const typename NAME_VALUE_LOOKUP::name_t& name) + self_t& operator =(const typename named_value_t::name_t& name) { - return static_cast<self_t&>(param_value_t::operator =(name)); + named_value_t::assignNamedValue(name); + return *this; } // propagate changed status up to enclosing block /*virtual*/ void paramChanged(const Param& changed_param, bool user_provided) { param_value_t::paramChanged(changed_param, user_provided); + if (user_provided) { // a child param has been explicitly changed // so *some* aspect of this block is now provided param_value_t::mValidated = false; setProvided(); - param_value_t::clearValueName(); + named_value_t::clearValueName(); } else { @@ -1149,7 +1270,7 @@ namespace LLInitParam if (src_typed_param.anyProvided()) { - if (dst_typed_param.mergeBlockParam(src_typed_param.isProvided(), dst_typed_param.isProvided(), param_value_t::selfBlockDescriptor(), src_typed_param, overwrite)) + if (dst_typed_param.mergeBlockParam(src_typed_param.isProvided(), dst_typed_param.isProvided(), param_value_t::getBlockDescriptor(), src_typed_param, overwrite)) { dst_typed_param.clearValueName(); dst_typed_param.setProvided(true); @@ -1158,56 +1279,72 @@ namespace LLInitParam } return false; } + + private: + void init( BlockDescriptor &block_descriptor, ParamDescriptor::validation_func_t validate_func, S32 min_count, S32 max_count, const char* name ) + { + ParamDescriptorPtr param_descriptor = ParamDescriptorPtr(new ParamDescriptor( + block_descriptor.mCurrentBlockPtr->getHandleFromParam(this), + &mergeWith, + &deserializeParam, + &serializeParam, + validate_func, + &inspectParam, + min_count, max_count)); + block_descriptor.addParam(param_descriptor, name); + } }; - // container of non-block parameters + // list of non-block parameters template <typename VALUE_TYPE, typename NAME_VALUE_LOOKUP> - class TypedParam<VALUE_TYPE, NAME_VALUE_LOOKUP, true, false> + class TypedParam<VALUE_TYPE, NAME_VALUE_LOOKUP, true, NOT_BLOCK> : public Param { + protected: + typedef TypedParam<VALUE_TYPE, NAME_VALUE_LOOKUP, true, NOT_BLOCK> self_t; + typedef ParamValue<typename LLTypeTags::Sorted<VALUE_TYPE>::value_t> param_value_t; + typedef typename std::vector<typename NAME_VALUE_LOOKUP::type_value_t> container_t; + typedef container_t default_value_t; + typedef typename NAME_VALUE_LOOKUP::type_value_t named_value_t; + public: - typedef TypedParam<VALUE_TYPE, NAME_VALUE_LOOKUP, true, false> self_t; - typedef ParamValue<VALUE_TYPE, NAME_VALUE_LOOKUP> param_value_t; - typedef typename std::vector<param_value_t> container_t; - typedef const container_t& value_assignment_t; - typedef typename param_value_t::value_t value_t; - typedef NAME_VALUE_LOOKUP name_value_lookup_t; - TypedParam(BlockDescriptor& block_descriptor, const char* name, value_assignment_t value, ParamDescriptor::validation_func_t validate_func, S32 min_count, S32 max_count) + TypedParam(BlockDescriptor& block_descriptor, const char* name, const default_value_t& value, ParamDescriptor::validation_func_t validate_func, S32 min_count, S32 max_count) : Param(block_descriptor.mCurrentBlockPtr) { std::copy(value.begin(), value.end(), std::back_inserter(mValues)); if (LL_UNLIKELY(block_descriptor.mInitializationState == BlockDescriptor::INITIALIZING)) { - ParamDescriptorPtr param_descriptor = ParamDescriptorPtr(new ParamDescriptor( - block_descriptor.mCurrentBlockPtr->getHandleFromParam(this), - &mergeWith, - &deserializeParam, - &serializeParam, - validate_func, - &inspectParam, - min_count, max_count)); - BaseBlock::addParam(block_descriptor, param_descriptor, name); + init(block_descriptor, validate_func, min_count, max_count, name); + } } bool isProvided() const { return Param::anyProvided(); } - static bool deserializeParam(Param& param, Parser& parser, const Parser::name_stack_range_t& name_stack_range, bool new_name) + static bool deserializeParam(Param& param, Parser& parser, Parser::name_stack_range_t& name_stack_range, bool new_name) { + Parser::name_stack_range_t new_name_stack_range(name_stack_range); self_t& typed_param = static_cast<self_t&>(param); value_t value; + + // pop first element if empty string + if (new_name_stack_range.first != new_name_stack_range.second && new_name_stack_range.first->first.empty()) + { + ++new_name_stack_range.first; + } + // no further names in stack, attempt to parse value now if (name_stack_range.first == name_stack_range.second) { std::string name; // try to parse a known named value - if(name_value_lookup_t::valueNamesExist() + if(named_value_t::valueNamesExist() && parser.readValue(name) - && name_value_lookup_t::getValueFromName(name, value)) + && named_value_t::getValueFromName(name, value)) { typed_param.add(value); typed_param.mValues.back().setValueName(name); @@ -1225,14 +1362,14 @@ namespace LLInitParam 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); - if (!typed_param.isProvided() || name_stack.empty()) return; + if (!typed_param.isProvided()) return; for (const_iterator it = typed_param.mValues.begin(), end_it = typed_param.mValues.end(); it != end_it; ++it) { std::string key = it->getValueName(); - name_stack.back().second = true; + name_stack.push_back(std::make_pair(std::string(), true)); if(key.empty()) // not parsed via name values, write out value directly @@ -1254,19 +1391,21 @@ namespace LLInitParam break; } } + + name_stack.pop_back(); } } static void inspectParam(const Param& param, Parser& parser, Parser::name_stack_t& name_stack, S32 min_count, S32 max_count) { parser.inspectValue<VALUE_TYPE>(name_stack, min_count, max_count, NULL); - if (name_value_lookup_t::getPossibleValues()) + if (named_value_t::getPossibleValues()) { - parser.inspectValue<std::string>(name_stack, min_count, max_count, name_value_lookup_t::getPossibleValues()); + parser.inspectValue<std::string>(name_stack, min_count, max_count, named_value_t::getPossibleValues()); } } - void set(value_assignment_t val, bool flag_as_provided = true) + void set(const container_t& val, bool flag_as_provided = true) { mValues = val; setProvided(flag_as_provided); @@ -1274,26 +1413,24 @@ namespace LLInitParam param_value_t& add() { - mValues.push_back(param_value_t(value_t())); + mValues.push_back(value_t()); Param::setProvided(); return mValues.back(); } self_t& add(const value_t& item) { - param_value_t param_value; - param_value.setValue(item); - mValues.push_back(param_value); + mValues.push_back(item); setProvided(); return *this; } - self_t& add(const typename name_value_lookup_t::name_t& name) + self_t& add(const typename named_value_t::name_t& name) { value_t value; // try to parse a per type named value - if (name_value_lookup_t::getValueFromName(name, value)) + if (named_value_t::getValueFromName(name, value)) { add(value); mValues.back().setValueName(name); @@ -1303,9 +1440,9 @@ namespace LLInitParam } // implicit conversion - operator value_assignment_t() const { return mValues; } + operator const container_t&() const { return mValues; } // explicit conversion - value_assignment_t operator()() const { return mValues; } + const container_t& operator()() const { return mValues; } typedef typename container_t::iterator iterator; typedef typename container_t::const_iterator const_iterator; @@ -1346,62 +1483,79 @@ namespace LLInitParam } container_t mValues; + + private: + void init( BlockDescriptor &block_descriptor, ParamDescriptor::validation_func_t validate_func, S32 min_count, S32 max_count, const char* name ) + { + ParamDescriptorPtr param_descriptor = ParamDescriptorPtr(new ParamDescriptor( + block_descriptor.mCurrentBlockPtr->getHandleFromParam(this), + &mergeWith, + &deserializeParam, + &serializeParam, + validate_func, + &inspectParam, + min_count, max_count)); + block_descriptor.addParam(param_descriptor, name); + } }; - // container of block parameters + // list of block parameters template <typename VALUE_TYPE, typename NAME_VALUE_LOOKUP> - class TypedParam<VALUE_TYPE, NAME_VALUE_LOOKUP, true, true> + class TypedParam<VALUE_TYPE, NAME_VALUE_LOOKUP, true, IS_A_BLOCK> : public Param { + protected: + typedef TypedParam<VALUE_TYPE, NAME_VALUE_LOOKUP, true, IS_A_BLOCK> self_t; + typedef ParamValue<typename LLTypeTags::Sorted<VALUE_TYPE>::value_t> param_value_t; + typedef typename std::vector<typename NAME_VALUE_LOOKUP::type_value_t> container_t; + typedef typename NAME_VALUE_LOOKUP::type_value_t named_value_t; + typedef container_t default_value_t; + typedef typename container_t::iterator iterator; + typedef typename container_t::const_iterator const_iterator; public: - typedef TypedParam<VALUE_TYPE, NAME_VALUE_LOOKUP, true, true> self_t; - typedef ParamValue<VALUE_TYPE, NAME_VALUE_LOOKUP> param_value_t; - typedef typename std::vector<param_value_t> container_t; - typedef const container_t& value_assignment_t; typedef typename param_value_t::value_t value_t; - typedef NAME_VALUE_LOOKUP name_value_lookup_t; - TypedParam(BlockDescriptor& block_descriptor, const char* name, value_assignment_t value, ParamDescriptor::validation_func_t validate_func, S32 min_count, S32 max_count) + TypedParam(BlockDescriptor& block_descriptor, const char* name, const default_value_t& value, ParamDescriptor::validation_func_t validate_func, S32 min_count, S32 max_count) : Param(block_descriptor.mCurrentBlockPtr) { std::copy(value.begin(), value.end(), back_inserter(mValues)); if (LL_UNLIKELY(block_descriptor.mInitializationState == BlockDescriptor::INITIALIZING)) { - ParamDescriptorPtr param_descriptor = ParamDescriptorPtr(new ParamDescriptor( - block_descriptor.mCurrentBlockPtr->getHandleFromParam(this), - &mergeWith, - &deserializeParam, - &serializeParam, - validate_func, - &inspectParam, - min_count, max_count)); - BaseBlock::addParam(block_descriptor, param_descriptor, name); + init(block_descriptor, validate_func, min_count, max_count, name); } } bool isProvided() const { return Param::anyProvided(); } - static bool deserializeParam(Param& param, Parser& parser, const Parser::name_stack_range_t& name_stack_range, bool new_name) + static bool deserializeParam(Param& param, Parser& parser, Parser::name_stack_range_t& name_stack_range, bool new_name) { + Parser::name_stack_range_t new_name_stack_range(name_stack_range); self_t& typed_param = static_cast<self_t&>(param); bool new_value = false; + bool new_array_value = false; - if (new_name || typed_param.mValues.empty()) + // pop first element if empty string + if (new_name_stack_range.first != new_name_stack_range.second && new_name_stack_range.first->first.empty()) + { + new_array_value = new_name_stack_range.first->second; + ++new_name_stack_range.first; + } + + if (new_name || new_array_value || typed_param.mValues.empty()) { new_value = true; typed_param.mValues.push_back(value_t()); } - 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() + if(named_value_t::valueNamesExist() && parser.readValue(name) - && name_value_lookup_t::getValueFromName(name, value.getValue())) + && named_value_t::getValueFromName(name, value.getValue())) { typed_param.mValues.back().setValueName(name); typed_param.setProvided(); @@ -1410,9 +1564,13 @@ namespace LLInitParam } // attempt to parse block... - if(value.deserializeBlock(parser, name_stack_range, new_name)) + if(value.deserializeBlock(parser, new_name_stack_range, new_name)) { typed_param.setProvided(); + if (new_array_value) + { + name_stack_range.first->second = false; + } return true; } @@ -1428,13 +1586,13 @@ namespace LLInitParam 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); - if (!typed_param.isProvided() || name_stack.empty()) return; + if (!typed_param.isProvided()) return; for (const_iterator it = typed_param.mValues.begin(), end_it = typed_param.mValues.end(); it != end_it; ++it) { - name_stack.back().second = true; + name_stack.push_back(std::make_pair(std::string(), true)); std::string key = it->getValueName(); if (!key.empty()) @@ -1447,16 +1605,27 @@ namespace LLInitParam { it->serializeBlock(parser, name_stack, NULL); } + + name_stack.pop_back(); } } static void inspectParam(const Param& param, Parser& parser, Parser::name_stack_t& name_stack, S32 min_count, S32 max_count) { - // I am a vector of blocks, so describe my contents recursively - param_value_t(value_t()).inspectBlock(parser, name_stack, min_count, max_count); + const param_value_t& value_param = param_value_t(value_t()); + + // tell parser about our actual type + parser.inspectValue<value_t>(name_stack, min_count, max_count, NULL); + // then tell it about string-based alternatives ("red", "blue", etc. for LLColor4) + if (named_value_t::getPossibleValues()) + { + parser.inspectValue<std::string>(name_stack, min_count, max_count, named_value_t::getPossibleValues()); } - void set(value_assignment_t val, bool flag_as_provided = true) + value_param.inspectBlock(parser, name_stack, min_count, max_count); + } + + void set(const container_t& val, bool flag_as_provided = true) { mValues = val; setProvided(flag_as_provided); @@ -1476,12 +1645,12 @@ namespace LLInitParam return *this; } - self_t& add(const typename name_value_lookup_t::name_t& name) + self_t& add(const typename named_value_t::name_t& name) { value_t value; // try to parse a per type named value - if (name_value_lookup_t::getValueFromName(name, value)) + if (named_value_t::getValueFromName(name, value)) { add(value); mValues.back().setValueName(name); @@ -1490,12 +1659,10 @@ namespace LLInitParam } // implicit conversion - operator value_assignment_t() const { return mValues; } + operator const container_t&() const { return mValues; } // explicit conversion - value_assignment_t operator()() const { return mValues; } + const container_t& operator()() const { return mValues; } - typedef typename container_t::iterator iterator; - typedef typename container_t::const_iterator const_iterator; iterator begin() { return mValues.begin(); } iterator end() { return mValues.end(); } const_iterator begin() const { return mValues.begin(); } @@ -1542,6 +1709,20 @@ namespace LLInitParam } container_t mValues; + + private: + void init( BlockDescriptor &block_descriptor, ParamDescriptor::validation_func_t validate_func, S32 min_count, S32 max_count, const char* name ) + { + ParamDescriptorPtr param_descriptor = ParamDescriptorPtr(new ParamDescriptor( + block_descriptor.mCurrentBlockPtr->getHandleFromParam(this), + &mergeWith, + &deserializeParam, + &serializeParam, + validate_func, + &inspectParam, + min_count, max_count)); + block_descriptor.addParam(param_descriptor, name); + } }; template <typename DERIVED_BLOCK, typename BASE_BLOCK = BaseBlock> @@ -1556,13 +1737,13 @@ namespace LLInitParam // take all provided params from other and apply to self bool overwriteFrom(const self_t& other) { - return static_cast<DERIVED_BLOCK*>(this)->mergeBlock(selfBlockDescriptor(), other, true); + return static_cast<DERIVED_BLOCK*>(this)->mergeBlock(getBlockDescriptor(), other, true); } // take all provided params that are not already provided, and apply to self bool fillFrom(const self_t& other) { - return static_cast<DERIVED_BLOCK*>(this)->mergeBlock(selfBlockDescriptor(), other, false); + return static_cast<DERIVED_BLOCK*>(this)->mergeBlock(getBlockDescriptor(), other, false); } bool mergeBlockParam(bool source_provided, bool dest_provided, BlockDescriptor& block_data, const self_t& source, bool overwrite) @@ -1580,7 +1761,7 @@ namespace LLInitParam bool mergeBlock(BlockDescriptor& block_data, const self_t& other, bool overwrite) { mCurChoice = other.mCurChoice; - return base_block_t::mergeBlock(selfBlockDescriptor(), other, overwrite); + return base_block_t::mergeBlock(getBlockDescriptor(), other, overwrite); } // clear out old choice when param has changed @@ -1601,38 +1782,38 @@ namespace LLInitParam base_block_t::paramChanged(changed_param, user_provided); } - virtual const BlockDescriptor& mostDerivedBlockDescriptor() const { return selfBlockDescriptor(); } - virtual BlockDescriptor& mostDerivedBlockDescriptor() { return selfBlockDescriptor(); } + virtual const BlockDescriptor& mostDerivedBlockDescriptor() const { return getBlockDescriptor(); } + virtual BlockDescriptor& mostDerivedBlockDescriptor() { return getBlockDescriptor(); } protected: ChoiceBlock() : mCurChoice(0) { - BaseBlock::init(selfBlockDescriptor(), base_block_t::selfBlockDescriptor(), sizeof(DERIVED_BLOCK)); + BaseBlock::init(getBlockDescriptor(), base_block_t::getBlockDescriptor(), sizeof(DERIVED_BLOCK)); } // Alternatives are mutually exclusive wrt other Alternatives in the same block. // One alternative in a block will always have isChosen() == true. // At most one alternative in a block will have isProvided() == true. - template <typename T, typename NAME_VALUE_LOOKUP = TypeValues<T> > + template <typename T, typename NAME_VALUE_LOOKUP = typename TypeValues<T>::type_value_t > class Alternative : public TypedParam<T, NAME_VALUE_LOOKUP, false> { + typedef TypedParam<T, NAME_VALUE_LOOKUP, false> super_t; + typedef typename super_t::value_t value_t; + typedef typename super_t::default_value_t default_value_t; + public: friend class ChoiceBlock<DERIVED_BLOCK>; - typedef Alternative<T, NAME_VALUE_LOOKUP> self_t; - typedef TypedParam<T, NAME_VALUE_LOOKUP, false, IsBlock<ParamValue<T, NAME_VALUE_LOOKUP> >::value> super_t; - typedef typename super_t::value_assignment_t value_assignment_t; - using super_t::operator =; - explicit Alternative(const char* name = "", value_assignment_t val = defaultValue<T>()) - : super_t(DERIVED_BLOCK::selfBlockDescriptor(), name, val, NULL, 0, 1), + explicit Alternative(const char* name = "", const default_value_t& val = defaultValue<default_value_t>()) + : super_t(DERIVED_BLOCK::getBlockDescriptor(), name, val, NULL, 0, 1), mOriginalValue(val) { // assign initial choice to first declared option - DERIVED_BLOCK* blockp = ((DERIVED_BLOCK*)DERIVED_BLOCK::selfBlockDescriptor().mCurrentBlockPtr); - if (LL_UNLIKELY(DERIVED_BLOCK::selfBlockDescriptor().mInitializationState == BlockDescriptor::INITIALIZING)) + DERIVED_BLOCK* blockp = ((DERIVED_BLOCK*)DERIVED_BLOCK::getBlockDescriptor().mCurrentBlockPtr); + if (LL_UNLIKELY(DERIVED_BLOCK::getBlockDescriptor().mInitializationState == BlockDescriptor::INITIALIZING)) { if(blockp->mCurChoice == 0) { @@ -1646,27 +1827,27 @@ namespace LLInitParam static_cast<enclosing_block_t&>(Param::enclosingBlock()).paramChanged(*this, true); } - void chooseAs(value_assignment_t val) + void chooseAs(const value_t& val) { super_t::set(val); } - void operator =(value_assignment_t val) + void operator =(const value_t& val) { super_t::set(val); } - void operator()(typename super_t::value_assignment_t val) + void operator()(const value_t& val) { super_t::set(val); } - operator value_assignment_t() const + operator const value_t&() const { return (*this)(); } - value_assignment_t operator()() const + const value_t& operator()() const { if (static_cast<enclosing_block_t&>(Param::enclosingBlock()).getCurrentChoice() == this) { @@ -1681,11 +1862,11 @@ namespace LLInitParam } private: - T mOriginalValue; + default_value_t mOriginalValue; }; - protected: - static BlockDescriptor& selfBlockDescriptor() + public: + static BlockDescriptor& getBlockDescriptor() { static BlockDescriptor sBlockDescriptor; return sBlockDescriptor; @@ -1705,6 +1886,8 @@ namespace LLInitParam : public BASE_BLOCK { typedef Block<DERIVED_BLOCK, BASE_BLOCK> self_t; + + protected: typedef Block<DERIVED_BLOCK, BASE_BLOCK> block_t; public: @@ -1713,80 +1896,82 @@ namespace LLInitParam // take all provided params from other and apply to self bool overwriteFrom(const self_t& other) { - return static_cast<DERIVED_BLOCK*>(this)->mergeBlock(selfBlockDescriptor(), other, true); + return static_cast<DERIVED_BLOCK*>(this)->mergeBlock(getBlockDescriptor(), other, true); } // take all provided params that are not already provided, and apply to self bool fillFrom(const self_t& other) { - return static_cast<DERIVED_BLOCK*>(this)->mergeBlock(selfBlockDescriptor(), other, false); + return static_cast<DERIVED_BLOCK*>(this)->mergeBlock(getBlockDescriptor(), other, false); } - virtual const BlockDescriptor& mostDerivedBlockDescriptor() const { return selfBlockDescriptor(); } - virtual BlockDescriptor& mostDerivedBlockDescriptor() { return selfBlockDescriptor(); } + virtual const BlockDescriptor& mostDerivedBlockDescriptor() const { return getBlockDescriptor(); } + virtual BlockDescriptor& mostDerivedBlockDescriptor() { return getBlockDescriptor(); } protected: Block() { //#pragma message("Parsing LLInitParam::Block") - BaseBlock::init(selfBlockDescriptor(), BASE_BLOCK::selfBlockDescriptor(), sizeof(DERIVED_BLOCK)); + BaseBlock::init(getBlockDescriptor(), BASE_BLOCK::getBlockDescriptor(), sizeof(DERIVED_BLOCK)); } // // Nested classes for declaring parameters // - template <typename T, typename NAME_VALUE_LOOKUP = TypeValues<T> > + template <typename T, typename NAME_VALUE_LOOKUP = typename TypeValues<T>::type_value_t > class Optional : public TypedParam<T, NAME_VALUE_LOOKUP, false> { - public: - typedef TypedParam<T, NAME_VALUE_LOOKUP, false, IsBlock<ParamValue<T, NAME_VALUE_LOOKUP> >::value> super_t; - typedef typename super_t::value_assignment_t value_assignment_t; + typedef TypedParam<T, NAME_VALUE_LOOKUP, false> super_t; + typedef typename super_t::value_t value_t; + typedef typename super_t::default_value_t default_value_t; + public: using super_t::operator(); using super_t::operator =; - explicit Optional(const char* name = "", value_assignment_t val = defaultValue<T>()) - : super_t(DERIVED_BLOCK::selfBlockDescriptor(), name, val, NULL, 0, 1) + explicit Optional(const char* name = "", const default_value_t& val = defaultValue<default_value_t>()) + : super_t(DERIVED_BLOCK::getBlockDescriptor(), name, val, NULL, 0, 1) { //#pragma message("Parsing LLInitParam::Block::Optional") } - Optional& operator =(value_assignment_t val) + Optional& operator =(const value_t& val) { set(val); return *this; } - DERIVED_BLOCK& operator()(value_assignment_t val) + DERIVED_BLOCK& operator()(const value_t& val) { super_t::set(val); return static_cast<DERIVED_BLOCK&>(Param::enclosingBlock()); } }; - template <typename T, typename NAME_VALUE_LOOKUP = TypeValues<T> > + template <typename T, typename NAME_VALUE_LOOKUP = typename TypeValues<T>::type_value_t > class Mandatory : public TypedParam<T, NAME_VALUE_LOOKUP, false> { - public: - typedef TypedParam<T, NAME_VALUE_LOOKUP, false, IsBlock<ParamValue<T, NAME_VALUE_LOOKUP> >::value> super_t; + typedef TypedParam<T, NAME_VALUE_LOOKUP, false> super_t; typedef Mandatory<T, NAME_VALUE_LOOKUP> self_t; - typedef typename super_t::value_assignment_t value_assignment_t; + typedef typename super_t::value_t value_t; + typedef typename super_t::default_value_t default_value_t; + public: using super_t::operator(); using super_t::operator =; // mandatory parameters require a name to be parseable - explicit Mandatory(const char* name = "", value_assignment_t val = defaultValue<T>()) - : super_t(DERIVED_BLOCK::selfBlockDescriptor(), name, val, &validate, 1, 1) + explicit Mandatory(const char* name = "", const default_value_t& val = defaultValue<default_value_t>()) + : super_t(DERIVED_BLOCK::getBlockDescriptor(), name, val, &validate, 1, 1) {} - Mandatory& operator =(value_assignment_t val) + Mandatory& operator =(const value_t& val) { set(val); return *this; } - DERIVED_BLOCK& operator()(typename super_t::value_assignment_t val) + DERIVED_BLOCK& operator()(const value_t& val) { super_t::set(val); return static_cast<DERIVED_BLOCK&>(Param::enclosingBlock()); @@ -1800,28 +1985,29 @@ namespace LLInitParam }; - template <typename T, typename RANGE = BaseBlock::AnyAmount, typename NAME_VALUE_LOOKUP = TypeValues<T> > + template <typename T, typename RANGE = BaseBlock::AnyAmount, typename NAME_VALUE_LOOKUP = typename TypeValues<T>::type_value_t > class Multiple : public TypedParam<T, NAME_VALUE_LOOKUP, true> { - public: - typedef TypedParam<T, NAME_VALUE_LOOKUP, true, IsBlock<ParamValue<T, NAME_VALUE_LOOKUP> >::value> super_t; + typedef TypedParam<T, NAME_VALUE_LOOKUP, true> super_t; typedef Multiple<T, RANGE, NAME_VALUE_LOOKUP> self_t; typedef typename super_t::container_t container_t; - typedef typename super_t::value_assignment_t value_assignment_t; + typedef typename super_t::value_t value_t; + + public: typedef typename super_t::iterator iterator; typedef typename super_t::const_iterator const_iterator; explicit Multiple(const char* name = "") - : super_t(DERIVED_BLOCK::selfBlockDescriptor(), name, container_t(), &validate, RANGE::minCount, RANGE::maxCount) + : super_t(DERIVED_BLOCK::getBlockDescriptor(), name, container_t(), &validate, RANGE::minCount, RANGE::maxCount) {} - Multiple& operator =(value_assignment_t val) + Multiple& operator =(const container_t& val) { set(val); return *this; } - DERIVED_BLOCK& operator()(typename super_t::value_assignment_t val) + DERIVED_BLOCK& operator()(const container_t& val) { super_t::set(val); return static_cast<DERIVED_BLOCK&>(Param::enclosingBlock()); @@ -1834,13 +2020,15 @@ namespace LLInitParam } }; - class Deprecated : public Param + // can appear in data files, but will ignored during parsing + // cannot read or write in code + class Ignored : public Param { public: - explicit Deprecated(const char* name) - : Param(DERIVED_BLOCK::selfBlockDescriptor().mCurrentBlockPtr) + explicit Ignored(const char* name) + : Param(DERIVED_BLOCK::getBlockDescriptor().mCurrentBlockPtr) { - BlockDescriptor& block_descriptor = DERIVED_BLOCK::selfBlockDescriptor(); + BlockDescriptor& block_descriptor = DERIVED_BLOCK::getBlockDescriptor(); if (LL_UNLIKELY(block_descriptor.mInitializationState == BlockDescriptor::INITIALIZING)) { ParamDescriptorPtr param_descriptor = ParamDescriptorPtr(new ParamDescriptor( @@ -1851,11 +2039,11 @@ namespace LLInitParam NULL, NULL, 0, S32_MAX)); - BaseBlock::addParam(block_descriptor, param_descriptor, name); + block_descriptor.addParam(param_descriptor, name); } } - static bool deserializeParam(Param& param, Parser& parser, const Parser::name_stack_range_t& name_stack_range, bool new_name) + static bool deserializeParam(Param& param, Parser& parser, Parser::name_stack_range_t& name_stack_range, bool new_name) { if (name_stack_range.first == name_stack_range.second) { @@ -1868,19 +2056,46 @@ namespace LLInitParam } }; - // different semantics for documentation purposes, but functionally identical - typedef Deprecated Ignored; + // can appear in data files, or be written to in code, but data will be ignored + // cannot be read in code + class Deprecated : public Ignored + { + public: + explicit Deprecated(const char* name) : Ignored(name) {} - protected: - static BlockDescriptor& selfBlockDescriptor() + // dummy writer interfaces + template<typename T> + Deprecated& operator =(const T& val) + { + // do nothing + return *this; + } + + template<typename T> + DERIVED_BLOCK& operator()(const T& val) + { + // do nothing + return static_cast<DERIVED_BLOCK&>(Param::enclosingBlock()); + } + + template<typename T> + void set(const T& val, bool flag_as_provided = true) + { + // do nothing + } + }; + + public: + static BlockDescriptor& getBlockDescriptor() { static BlockDescriptor sBlockDescriptor; return sBlockDescriptor; } - template <typename T, typename NAME_VALUE_LOOKUP, bool multiple, bool is_block> + protected: + template <typename T, typename NAME_VALUE_LOOKUP, bool multiple, typename 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) + const typename TypedParam<T, NAME_VALUE_LOOKUP, multiple, is_block>::value_t& value) { if (!param.isProvided()) { @@ -1890,204 +2105,420 @@ namespace LLInitParam }; - template <typename DERIVED_BLOCK, typename BASE_BLOCK = BaseBlock> - class BatchBlock - : public Block<DERIVED_BLOCK, BASE_BLOCK> + template<typename T, typename BLOCK_T> + struct IsBlock<ParamValue<BaseBlock::Lazy<T, BaseBlock::IS_A_BLOCK>, BLOCK_T >, void> + { + typedef IS_A_BLOCK value_t; + }; + + template<typename T, typename BLOCK_T> + struct IsBlock<ParamValue<BaseBlock::Lazy<T, BaseBlock::NOT_A_BLOCK>, BLOCK_T >, void> + { + typedef NOT_BLOCK value_t; + }; + + template<typename T, typename BLOCK_IDENTIFIER> + struct IsBlock<ParamValue<BaseBlock::Atomic<T>, typename IsBlock<BaseBlock::Atomic<T> >::value_t >, BLOCK_IDENTIFIER> + { + typedef typename IsBlock<T>::value_t value_t; + }; + + template<typename T, typename BLOCK_IDENTIFIER> + struct IsBlock<ParamValue<BaseBlock::Sequential<T>, typename IsBlock<BaseBlock::Sequential<T> >::value_t >, BLOCK_IDENTIFIER> { + typedef typename IsBlock<T>::value_t value_t; + }; + + + template<typename T> + struct InnerMostType + { + typedef T value_t; + }; + + template<typename T> + struct InnerMostType<ParamValue<T, NOT_BLOCK> > + { + typedef typename InnerMostType<T>::value_t value_t; + }; + + template<typename T> + struct InnerMostType<ParamValue<T, IS_A_BLOCK> > + { + typedef typename InnerMostType<T>::value_t value_t; + }; + + template<typename T, typename BLOCK_T> + class ParamValue <BaseBlock::Atomic<T>, BLOCK_T> + { + typedef ParamValue <BaseBlock::Atomic<T>, BLOCK_T> self_t; + public: - typedef BatchBlock<DERIVED_BLOCK, BASE_BLOCK> self_t; - typedef Block<DERIVED_BLOCK, BASE_BLOCK> super_t; + typedef typename InnerMostType<T>::value_t value_t; + typedef T default_value_t; - BatchBlock() + ParamValue() + : mValue(), + mValidated(false) {} - bool deserializeBlock(Parser& p, Parser::name_stack_range_t name_stack_range, bool new_name) + ParamValue(const default_value_t& value) + : mValue(value), + mValidated(false) + {} + + void setValue(const value_t& val) + { + mValue.setValue(val); + } + + const value_t& getValue() const + { + return mValue.getValue(); + } + + value_t& getValue() + { + return mValue.getValue(); + } + + bool deserializeBlock(Parser& p, Parser::name_stack_range_t& name_stack_range, bool new_name) { if (new_name) { - // reset block - *static_cast<DERIVED_BLOCK*>(this) = defaultBatchValue(); + resetToDefault(); } - return super_t::deserializeBlock(p, name_stack_range, new_name); + return mValue.deserializeBlock(p, name_stack_range, new_name); } - bool mergeBlock(BlockDescriptor& block_data, const BaseBlock& other, bool overwrite) + void serializeBlock(Parser& p, Parser::name_stack_t& name_stack, const self_t* diff_block = NULL) const { - if (overwrite) + const BaseBlock* base_block = diff_block + ? &(diff_block->mValue) + : NULL; + mValue.serializeBlock(p, name_stack, base_block); + } + + bool inspectBlock(Parser& p, Parser::name_stack_t name_stack = Parser::name_stack_t(), S32 min_count = 0, S32 max_count = S32_MAX) const { - *static_cast<DERIVED_BLOCK*>(this) = defaultBatchValue(); - // merge individual parameters into destination - return super_t::mergeBlock(super_t::selfBlockDescriptor(), other, overwrite); + return mValue.inspectBlock(p, name_stack, min_count, max_count); } - return false; + + bool mergeBlockParam(bool source_provided, bool dst_provided, BlockDescriptor& block_data, const self_t& source, bool overwrite) + { + if ((overwrite && source_provided) // new values coming in on top or... + || (!overwrite && !dst_provided)) // values being pushed under with nothing already there + { + // clear away what is there and take the new stuff as a whole + resetToDefault(); + return mValue.mergeBlock(block_data, source.getValue(), overwrite); } - protected: - static const DERIVED_BLOCK& defaultBatchValue() + + + return mValue.mergeBlock(block_data, source.getValue(), overwrite); + } + + bool validateBlock(bool emit_errors = true) const + { + return mValue.validateBlock(emit_errors); + } + + static BlockDescriptor& getBlockDescriptor() + { + return value_t::getBlockDescriptor(); + } + + + mutable bool mValidated; // lazy validation flag + + private: + void resetToDefault() { - static DERIVED_BLOCK default_value; - return default_value; + static T default_value; + mValue = default_value; } + + T mValue; }; - // FIXME: this specialization is not currently used, as it only matches against the BatchBlock base class - // and not the derived class with the actual params - template<typename DERIVED_BLOCK, - typename BASE_BLOCK, - typename NAME_VALUE_LOOKUP> - class ParamValue <BatchBlock<DERIVED_BLOCK, BASE_BLOCK>, - NAME_VALUE_LOOKUP, - true> - : public NAME_VALUE_LOOKUP, - protected BatchBlock<DERIVED_BLOCK, BASE_BLOCK> + template<typename T> + class ParamValue <BaseBlock::Sequential<T>, IS_A_BLOCK> { + typedef ParamValue <BaseBlock::Sequential<T>, IS_A_BLOCK> self_t; + public: - typedef BatchBlock<DERIVED_BLOCK, BASE_BLOCK> block_t; - typedef const BatchBlock<DERIVED_BLOCK, BASE_BLOCK>& value_assignment_t; - typedef block_t value_t; + typedef typename InnerMostType<T>::value_t value_t; + typedef T default_value_t; ParamValue() - : block_t(), + : mValue(), mValidated(false) - {} + { + mCurParam = getBlockDescriptor().mAllParams.begin(); + } - ParamValue(value_assignment_t other) - : block_t(other), + ParamValue(const default_value_t& value) + : mValue(value), mValidated(false) { + mCurParam = getBlockDescriptor().mAllParams.begin(); } - void setValue(value_assignment_t val) + void setValue(const value_t& val) { - *this = val; + mValue.setValue(val); } - value_assignment_t getValue() const + const value_t& getValue() const { - return *this; + return mValue.getValue(); } - BatchBlock<DERIVED_BLOCK, BASE_BLOCK>& getValue() + value_t& getValue() { - return *this; + return mValue.getValue(); } - operator value_assignment_t() const + bool deserializeBlock(Parser& p, Parser::name_stack_range_t& name_stack_range, bool new_name) { - return *this; + if (new_name) + { + mCurParam = getBlockDescriptor().mAllParams.begin(); } + if (name_stack_range.first == name_stack_range.second + && mCurParam != getBlockDescriptor().mAllParams.end()) + { + // deserialize to mCurParam + ParamDescriptor& pd = *(*mCurParam); + ParamDescriptor::deserialize_func_t deserialize_func = pd.mDeserializeFunc; + Param* paramp = mValue.getParamFromHandle(pd.mParamHandle); - value_assignment_t operator()() const + if (deserialize_func + && paramp + && deserialize_func(*paramp, p, name_stack_range, new_name)) { - return *this; + ++mCurParam; + return true; + } + else + { + return false; + } + } + else + { + return mValue.deserializeBlock(p, name_stack_range, new_name); + } + } + + void serializeBlock(Parser& p, Parser::name_stack_t& name_stack, const self_t* diff_block = NULL) const + { + const BaseBlock* base_block = diff_block + ? &(diff_block->mValue) + : NULL; + mValue.serializeBlock(p, name_stack, base_block); + } + + bool inspectBlock(Parser& p, Parser::name_stack_t name_stack = Parser::name_stack_t(), S32 min_count = 0, S32 max_count = S32_MAX) const + { + return mValue.inspectBlock(p, name_stack, min_count, max_count); + } + + bool mergeBlockParam(bool source_provided, bool dst_provided, BlockDescriptor& block_data, const self_t& source, bool overwrite) + { + return mValue.mergeBlock(block_data, source.getValue(), overwrite); + } + + bool validateBlock(bool emit_errors = true) const + { + return mValue.validateBlock(emit_errors); + } + + static BlockDescriptor& getBlockDescriptor() + { + return value_t::getBlockDescriptor(); } - protected: mutable bool mValidated; // lazy validation flag + + private: + + BlockDescriptor::all_params_list_t::iterator mCurParam; + T mValue; }; - template<typename T, bool IS_BLOCK> - class ParamValue <BaseBlock::Lazy<T>, - TypeValues<T>, - IS_BLOCK> - : public IsBlock<T>::base_class_t + template<typename T> + class ParamValue <BaseBlock::Sequential<T>, NOT_BLOCK> + : public T { + typedef ParamValue <BaseBlock::Sequential<T>, NOT_BLOCK> self_t; + public: - typedef ParamValue <BaseBlock::Lazy<T>, TypeValues<T>, false> self_t; - typedef const T& value_assignment_t; - typedef T value_t; + typedef typename InnerMostType<T>::value_t value_t; + typedef T default_value_t; + + ParamValue() + : T(), + mValidated(false) + {} + + ParamValue(const default_value_t& value) + : T(value.getValue()), + mValidated(false) + {} + + mutable bool mValidated; // lazy validation flag + }; + + template<typename T, typename BLOCK_T> + class ParamValue <BaseBlock::Lazy<T, IS_A_BLOCK>, BLOCK_T> + { + typedef ParamValue <BaseBlock::Lazy<T, IS_A_BLOCK>, BLOCK_T> self_t; + + public: + typedef typename InnerMostType<T>::value_t value_t; + typedef LazyValue<T> default_value_t; ParamValue() : mValue(), mValidated(false) {} - ParamValue(value_assignment_t other) + ParamValue(const default_value_t& other) : mValue(other), mValidated(false) {} - void setValue(value_assignment_t val) + ParamValue(const T& value) + : mValue(value), + mValidated(false) + {} + + void setValue(const value_t& val) { mValue.set(val); } - value_assignment_t getValue() const + const value_t& getValue() const { - return mValue.get(); + return mValue.get().getValue(); } - T& getValue() + value_t& getValue() { - return mValue.get(); + return mValue.get().getValue(); } - operator value_assignment_t() const + bool deserializeBlock(Parser& p, Parser::name_stack_range_t& name_stack_range, bool new_name) { - return mValue.get(); + return mValue.get().deserializeBlock(p, name_stack_range, new_name); } - value_assignment_t operator()() const + void serializeBlock(Parser& p, Parser::name_stack_t& name_stack, const self_t* diff_block = NULL) const { - return mValue.get(); + if (mValue.empty()) return; + + const BaseBlock* base_block = (diff_block && !diff_block->mValue.empty()) + ? &(diff_block->mValue.get().getValue()) + : NULL; + mValue.get().serializeBlock(p, name_stack, base_block); } - bool deserializeBlock(Parser& p, Parser::name_stack_range_t name_stack_range, bool new_name) + bool inspectBlock(Parser& p, Parser::name_stack_t name_stack = Parser::name_stack_t(), S32 min_count = 0, S32 max_count = S32_MAX) const { - return mValue.get().deserializeBlock(p, name_stack_range, new_name); + return mValue.get().inspectBlock(p, name_stack, min_count, max_count); } - void serializeBlock(Parser& p, Parser::name_stack_t& name_stack, const BaseBlock* diff_block = NULL) const + bool mergeBlockParam(bool source_provided, bool dst_provided, BlockDescriptor& block_data, const self_t& source, bool overwrite) { - if (mValue.empty()) return; + return source.mValue.empty() || mValue.get().mergeBlock(block_data, source.getValue(), overwrite); + } - mValue.get().serializeBlock(p, name_stack, diff_block); + bool validateBlock(bool emit_errors = true) const + { + return mValue.empty() || mValue.get().validateBlock(emit_errors); } - bool inspectBlock(Parser& p, Parser::name_stack_t name_stack = Parser::name_stack_t(), S32 min_count = 0, S32 max_count = S32_MAX) const + static BlockDescriptor& getBlockDescriptor() { - if (mValue.empty()) return false; + return value_t::getBlockDescriptor(); + } - return mValue.get().inspectBlock(p, name_stack, min_count, max_count); + mutable bool mValidated; // lazy validation flag + + private: + LazyValue<T> mValue; + }; + + template<typename T, typename BLOCK_T> + class ParamValue <BaseBlock::Lazy<T, NOT_BLOCK>, BLOCK_T> + { + typedef ParamValue <BaseBlock::Lazy<T, NOT_BLOCK>, BLOCK_T> self_t; + + public: + typedef typename InnerMostType<T>::value_t value_t; + typedef LazyValue<T> default_value_t; + + ParamValue() + : mValue(), + mValidated(false) + {} + + ParamValue(const default_value_t& other) + : mValue(other), + mValidated(false) + {} + + ParamValue(const T& value) + : mValue(value), + mValidated(false) + {} + + void setValue(const value_t& val) + { + mValue.set(val); + } + + const value_t& getValue() const + { + return mValue.get().getValue(); + } + + value_t& getValue() + { + return mValue.get().getValue(); } - protected: mutable bool mValidated; // lazy validation flag private: - BaseBlock::Lazy<T> mValue; + LazyValue<T> mValue; }; template <> - class ParamValue <LLSD, - TypeValues<LLSD>, - false> - : public TypeValues<LLSD>, - public BaseBlock + class ParamValue <LLSD, NOT_BLOCK> + : public BaseBlock { public: - typedef ParamValue<LLSD, TypeValues<LLSD>, false> self_t; - typedef const LLSD& value_assignment_t; + typedef LLSD value_t; + typedef LLSD default_value_t; ParamValue() : mValidated(false) {} - ParamValue(value_assignment_t other) + ParamValue(const default_value_t& other) : mValue(other), mValidated(false) {} - void setValue(value_assignment_t val) { mValue = val; } + void setValue(const value_t& val) { mValue = val; } - value_assignment_t getValue() const { return mValue; } + const value_t& getValue() const { return mValue; } LLSD& getValue() { return mValue; } - operator value_assignment_t() const { return mValue; } - value_assignment_t operator()() const { return mValue; } - - // block param interface - LL_COMMON_API bool deserializeBlock(Parser& p, Parser::name_stack_range_t name_stack_range, bool new_name); + LL_COMMON_API bool deserializeBlock(Parser& p, Parser::name_stack_range_t& name_stack_range, bool new_name); LL_COMMON_API void serializeBlock(Parser& p, Parser::name_stack_t& name_stack, const BaseBlock* diff_block = NULL) const; bool inspectBlock(Parser& p, Parser::name_stack_t name_stack = Parser::name_stack_t(), S32 min_count = 0, S32 max_count = S32_MAX) const { @@ -2106,8 +2537,7 @@ namespace LLInitParam template<typename T> class CustomParamValue - : public Block<ParamValue<T, TypeValues<T> > >, - public TypeValues<T> + : public Block<ParamValue<T> > { public: typedef enum e_value_age @@ -2117,20 +2547,21 @@ namespace LLInitParam BLOCK_AUTHORITATIVE // mValue is derived from the block parameters, which are authoritative } EValueAge; - typedef ParamValue<T, TypeValues<T> > derived_t; + typedef ParamValue<T> derived_t; typedef CustomParamValue<T> self_t; typedef Block<derived_t> block_t; - typedef const T& value_assignment_t; + typedef T default_value_t; typedef T value_t; + typedef void baseblock_base_class_t; - CustomParamValue(const T& value = T()) + CustomParamValue(const default_value_t& value = T()) : mValue(value), mValueAge(VALUE_AUTHORITATIVE), mValidated(false) {} - bool deserializeBlock(Parser& parser, Parser::name_stack_range_t name_stack_range, bool new_name) + bool deserializeBlock(Parser& parser, Parser::name_stack_range_t& name_stack_range, bool new_name) { derived_t& typed_param = static_cast<derived_t&>(*this); // try to parse direct value T @@ -2141,8 +2572,6 @@ namespace LLInitParam typed_param.mValueAge = VALUE_AUTHORITATIVE; typed_param.updateBlockFromValue(false); - typed_param.clearValueName(); - return true; } } @@ -2156,18 +2585,8 @@ namespace LLInitParam 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(); - - // first try to write out name of name/value pair - if (!key.empty()) - { - if (!diff_param || !ParamCompare<std::string>::equals(diff_param->getValueName(), key)) - { - parser.writeValue(key, name_stack); - } - } // then try to serialize value directly - else if (!diff_param || !ParamCompare<T>::equals(typed_param.getValue(), diff_param->getValue())) + if (!diff_param || !ParamCompare<T>::equals(typed_param.getValue(), diff_param->getValue())) { if (!parser.writeValue(typed_param.getValue(), name_stack)) @@ -2197,19 +2616,6 @@ namespace LLInitParam } } - bool inspectBlock(Parser& parser, Parser::name_stack_t name_stack = Parser::name_stack_t(), S32 min_count = 0, S32 max_count = S32_MAX) const - { - // first, inspect with actual type... - parser.inspectValue<T>(name_stack, min_count, max_count, NULL); - if (TypeValues<T>::getPossibleValues()) - { - //...then inspect with possible string values... - parser.inspectValue<std::string>(name_stack, min_count, max_count, TypeValues<T>::getPossibleValues()); - } - // then recursively inspect contents... - return block_t::inspectBlock(parser, name_stack, min_count, max_count); - } - bool validateBlock(bool emit_errors = true) const { if (mValueAge == VALUE_NEEDS_UPDATE) @@ -2217,7 +2623,6 @@ namespace LLInitParam if (block_t::validateBlock(emit_errors)) { // clear stale keyword associated with old value - TypeValues<T>::clearValueName(); mValueAge = BLOCK_AUTHORITATIVE; static_cast<derived_t*>(const_cast<self_t*>(this))->updateValueFromBlock(); return true; @@ -2247,17 +2652,15 @@ namespace LLInitParam } } - void setValue(value_assignment_t val) + void setValue(const value_t& val) { - derived_t& typed_param = static_cast<derived_t&>(*this); // set param version number to be up to date, so we ignore block contents mValueAge = VALUE_AUTHORITATIVE; mValue = val; - typed_param.clearValueName(); static_cast<derived_t*>(this)->updateBlockFromValue(false); } - value_assignment_t getValue() const + const value_t& getValue() const { validateBlock(true); return mValue; @@ -2269,20 +2672,10 @@ namespace LLInitParam return mValue; } - operator value_assignment_t() const - { - return getValue(); - } - - value_assignment_t operator()() const - { - return getValue(); - } - protected: // use this from within updateValueFromBlock() to set the value without making it authoritative - void updateValue(value_assignment_t value) + void updateValue(const value_t& value) { mValue = value; } |