diff options
Diffstat (limited to 'indra/llxuixml/llinitparam.h')
| -rw-r--r-- | indra/llxuixml/llinitparam.h | 1136 |
1 files changed, 751 insertions, 385 deletions
diff --git a/indra/llxuixml/llinitparam.h b/indra/llxuixml/llinitparam.h index 35c889b69f..ab20957760 100644 --- a/indra/llxuixml/llinitparam.h +++ b/indra/llxuixml/llinitparam.h @@ -38,6 +38,9 @@ namespace LLInitParam { + // used to indicate no matching value to a given name when parsing + struct Flag{}; + template<typename T> const T& defaultValue() { static T value; return value; } template <typename T, bool IS_BOOST_FUNCTION = boost::is_convertible<T, boost::function_base>::value > @@ -48,7 +51,7 @@ namespace LLInitParam return a == b; } }; - + // boost function types are not comparable template<typename T> struct ParamCompare<T, true> @@ -65,6 +68,13 @@ namespace LLInitParam static bool equals(const LLSD &a, const LLSD &b) { return false; } }; + template<> + struct ParamCompare<Flag, false> + { + static bool equals(const Flag& a, const Flag& b) { return false; } + }; + + // helper functions and classes typedef ptrdiff_t param_handle_t; @@ -73,11 +83,15 @@ namespace LLInitParam template <typename T> class TypeValues { + private: + struct Inaccessable{}; public: typedef std::map<std::string, T> value_name_map_t; + typedef Inaccessable name_t; void setValueName(const std::string& key) {} std::string getValueName() const { return ""; } + std::string calcValueName(const T& value) const { return ""; } void clearValueName() const {} static bool getValueFromName(const std::string& name, T& value) @@ -103,6 +117,7 @@ namespace LLInitParam { public: typedef typename std::map<std::string, T> value_name_map_t; + typedef std::string name_t; //TODO: cache key by index to save on param block size void setValueName(const std::string& value_name) @@ -115,6 +130,22 @@ namespace LLInitParam return mValueName; } + std::string calcValueName(const T& value) const + { + value_name_map_t* map = getValueNames(); + for (typename value_name_map_t::iterator it = map->begin(), end_it = map->end(); + it != end_it; + ++it) + { + if (ParamCompare<T>::equals(it->second, value)) + { + return it->first; + } + } + + return ""; + } + void clearValueName() const { mValueName.clear(); @@ -188,13 +219,13 @@ namespace LLInitParam } }; - typedef std::vector<std::pair<std::string, S32> > name_stack_t; - typedef std::pair<name_stack_t::const_iterator, name_stack_t::const_iterator> name_stack_range_t; - typedef std::vector<std::string> possible_values_t; + typedef std::vector<std::pair<std::string, bool> > name_stack_t; + typedef std::pair<name_stack_t::iterator, name_stack_t::iterator> name_stack_range_t; + typedef std::vector<std::string> possible_values_t; typedef bool (*parser_read_func_t)(Parser& parser, void* output); - typedef bool (*parser_write_func_t)(Parser& parser, const void*, const name_stack_t&); - typedef boost::function<void (const name_stack_t&, S32, S32, const possible_values_t*)> parser_inspect_func_t; + typedef bool (*parser_write_func_t)(Parser& parser, const void*, name_stack_t&); + typedef boost::function<void (name_stack_t&, S32, S32, const possible_values_t*)> parser_inspect_func_t; typedef std::map<const std::type_info*, parser_read_func_t, CompareTypeID> parser_read_func_map_t; typedef std::map<const std::type_info*, parser_write_func_t, CompareTypeID> parser_write_func_map_t; @@ -202,7 +233,6 @@ namespace LLInitParam Parser(parser_read_func_map_t& read_map, parser_write_func_map_t& write_map, parser_inspect_func_map_t& inspect_map) : mParseSilently(false), - mParseGeneration(sNextParseGeneration), mParserReadFuncs(&read_map), mParserWriteFuncs(&write_map), mParserInspectFuncs(&inspect_map) @@ -219,7 +249,7 @@ namespace LLInitParam return false; } - template <typename T> bool writeValue(const T& param, const 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 = mParserWriteFuncs->find(&typeid(T)); if (found_it != mParserWriteFuncs->end()) @@ -230,7 +260,7 @@ namespace LLInitParam } // dispatch inspection to registered inspection functions, for each parameter in a param block - template <typename T> bool inspectValue(const name_stack_t& name_stack, S32 min_count, S32 max_count, const possible_values_t* possible_values) + template <typename T> bool inspectValue(name_stack_t& name_stack, S32 min_count, S32 max_count, const possible_values_t* possible_values) { parser_inspect_func_map_t::iterator found_it = mParserInspectFuncs->find(&typeid(T)); if (found_it != mParserInspectFuncs->end()) @@ -246,10 +276,6 @@ namespace LLInitParam virtual void parserError(const std::string& message); void setParseSilently(bool silent) { mParseSilently = silent; } - S32 getParseGeneration() { return mParseGeneration; } - S32 newParseGeneration() { return mParseGeneration = ++sNextParseGeneration; } - - protected: template <typename T> void registerParserFuncs(parser_read_func_t read_func, parser_write_func_t write_func = NULL) @@ -270,44 +296,9 @@ namespace LLInitParam parser_read_func_map_t* mParserReadFuncs; parser_write_func_map_t* mParserWriteFuncs; parser_inspect_func_map_t* mParserInspectFuncs; - S32 mParseGeneration; - - static S32 sNextParseGeneration; }; - // used to indicate no matching value to a given name when parsing - struct NoParamValue{}; - - class BaseBlock; - - class Param - { - public: - // public to allow choice blocks to clear provided flag on stale choices - void setProvided(bool is_provided) { mIsProvided = is_provided; } - - protected: - bool anyProvided() const { return mIsProvided; } - - Param(class BaseBlock* enclosing_block); - - // store pointer to enclosing block as offset to reduce space and allow for quick copying - class 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*> - (my_addr - (ptrdiff_t)(S32)mEnclosingBlockOffset)); - } - - private: - friend class BaseBlock; - - U32 mEnclosingBlockOffset:31; - U32 mIsProvided:1; - - }; + class Param; // various callbacks and constraints associated with an individual param struct ParamDescriptor @@ -318,7 +309,7 @@ namespace LLInitParam }; typedef bool(*merge_func_t)(Param&, const Param&, bool); - typedef bool(*deserialize_func_t)(Param&, Parser&, const Parser::name_stack_range_t&, S32); + typedef bool(*deserialize_func_t)(Param&, Parser&, const 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*); @@ -343,7 +334,6 @@ namespace LLInitParam validation_func_t mValidationFunc; S32 mMinCount; S32 mMaxCount; - S32 mGeneration; S32 mNumRefs; UserData* mUserData; }; @@ -367,56 +357,133 @@ 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 + class BaseBlock* mCurrentBlockPtr; // pointer to block currently being constructed }; class BaseBlock { public: + //TODO: implement in terms of owned_ptr + template<typename T> + class Lazy + { + public: + Lazy() + : mPtr(NULL) + {} + + ~Lazy() + { + delete mPtr; + } + + Lazy(const Lazy& other) + { + if (other.mPtr) + { + mPtr = new T(*other.mPtr); + } + else + { + mPtr = NULL; + } + } + + Lazy<T>& operator = (const Lazy<T>& other) + { + if (other.mPtr) + { + mPtr = new T(*other.mPtr); + } + else + { + mPtr = NULL; + } + return *this; + } + + bool empty() const + { + return mPtr == NULL; + } + + void set(const T& other) + { + delete mPtr; + mPtr = new T(other); + } + + const T& get() const + { + return ensureInstance(); + } + + T& get() + { + return ensureInstance(); + } + + private: + // lazily allocate an instance of T + T* ensureInstance() const + { + if (mPtr == NULL) + { + mPtr = new T(); + } + return mPtr; + } + + 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; + }; + // "Multiple" constraint types, put here in root class to avoid ambiguity during use struct AnyAmount { - static U32 minCount() { return 0; } - static U32 maxCount() { return U32_MAX; } + enum { minCount = 0 }; + enum { maxCount = U32_MAX }; }; template<U32 MIN_AMOUNT> struct AtLeast { - static U32 minCount() { return MIN_AMOUNT; } - static U32 maxCount() { return U32_MAX; } + enum { minCount = MIN_AMOUNT }; + enum { maxCount = U32_MAX }; }; template<U32 MAX_AMOUNT> struct AtMost { - static U32 minCount() { return 0; } - static U32 maxCount() { return MAX_AMOUNT; } + enum { minCount = 0 }; + enum { maxCount = MAX_AMOUNT }; }; template<U32 MIN_AMOUNT, U32 MAX_AMOUNT> struct Between { - static U32 minCount() { return MIN_AMOUNT; } - static U32 maxCount() { return MAX_AMOUNT; } + enum { minCount = MIN_AMOUNT }; + enum { maxCount = MAX_AMOUNT }; }; template<U32 EXACT_COUNT> struct Exactly { - static U32 minCount() { return EXACT_COUNT; } - static U32 maxCount() { return EXACT_COUNT; } + enum { minCount = EXACT_COUNT }; + enum { maxCount = EXACT_COUNT }; }; // this typedef identifies derived classes as being blocks @@ -424,9 +491,8 @@ namespace LLInitParam LOG_CLASS(BaseBlock); friend class Param; - BaseBlock(); - virtual ~BaseBlock(); - bool submitValue(const Parser::name_stack_t& name_stack, Parser& p, bool silent=false); + virtual ~BaseBlock() {} + bool submitValue(Parser::name_stack_t& name_stack, Parser& p, bool silent=false); param_handle_t getHandleFromParam(const Param* param) const; bool validateBlock(bool emit_errors = true) const; @@ -448,12 +514,10 @@ namespace LLInitParam void addSynonym(Param& param, const std::string& synonym); // Blocks can override this to do custom tracking of changes - virtual void paramChanged(const Param& changed_param, bool user_provided); + virtual void paramChanged(const Param& changed_param, bool user_provided) {} - S32 getLastChangeVersion() const { return mChangeVersion; } - - bool deserializeBlock(Parser& p, Parser::name_stack_range_t name_stack, S32 generation); - void serializeBlock(Parser& p, Parser::name_stack_t name_stack = Parser::name_stack_t(), const BaseBlock* diff_block = NULL) const; + 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(); } @@ -479,16 +543,13 @@ namespace LLInitParam void init(BlockDescriptor& descriptor, BlockDescriptor& base_descriptor, size_t block_size); - bool mergeBlockParam(bool param_provided, BlockDescriptor& block_data, const BaseBlock& other, bool overwrite) + bool mergeBlockParam(bool source_provided, bool dst_provided, BlockDescriptor& block_data, const BaseBlock& source, bool overwrite) { - return mergeBlock(block_data, other, overwrite); + 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); - // can be updated in getters - mutable S32 mChangeVersion; - static BlockDescriptor& selfBlockDescriptor() { static BlockDescriptor sBlockDescriptor; @@ -499,18 +560,73 @@ namespace LLInitParam 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 Param + { + public: + void setProvided(bool is_provided = true) + { + mIsProvided = is_provided; + enclosingBlock().paramChanged(*this, is_provided); + } + + Param& operator =(const Param& other) + { + mIsProvided = other.mIsProvided; + // don't change mEnclosingblockoffset + return *this; + } + protected: + + bool anyProvided() const { return mIsProvided; } + + Param(BaseBlock* enclosing_block); + + // store pointer to enclosing block as offset to reduce space and allow for quick copying + 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<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> @@ -518,9 +634,11 @@ namespace LLInitParam { 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(const T& other) : mValue(other) {} + ParamValue(value_assignment_t other) : mValue(other) {} void setValue(value_assignment_t val) { @@ -537,7 +655,32 @@ namespace LLInitParam return mValue; } - private: + 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; }; @@ -548,25 +691,18 @@ namespace LLInitParam { public: typedef const T& value_assignment_t; - - S32 mKeyVersion; - mutable S32 mValidatedVersion; - mutable bool mValidated; // lazy validation flag + typedef T value_t; + typedef ParamValue<T, NAME_VALUE_LOOKUP, true> self_t; ParamValue() : T(), - mKeyVersion(0), - mValidatedVersion(-1), mValidated(false) {} - ParamValue(const T& other) + ParamValue(value_assignment_t other) : T(other), - mKeyVersion(0), - mValidatedVersion(-1), mValidated(false) - { - } + {} void setValue(value_assignment_t val) { @@ -582,8 +718,85 @@ namespace LLInitParam { 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; + } + + protected: + mutable bool mValidated; // lazy validation flag }; + template<typename NAME_VALUE_LOOKUP> + class ParamValue<std::string, NAME_VALUE_LOOKUP, false> + : public NAME_VALUE_LOOKUP + { + 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; + } + + operator value_assignment_t() const + { + return mValue; + } + + value_assignment_t operator()() const + { + return mValue; + } + + protected: + std::string mValue; + }; + + template<typename T, typename NAME_VALUE_LOOKUP = TypeValues<T> > struct ParamIterator { @@ -602,10 +815,12 @@ namespace LLInitParam public ParamValue<T, NAME_VALUE_LOOKUP> { public: - typedef const T& value_assignment_t; typedef TypedParam<T, NAME_VALUE_LOOKUP, HAS_MULTIPLE_VALUES, VALUE_IS_BLOCK> self_t; - typedef NAME_VALUE_LOOKUP name_value_lookup_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; + + using param_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) @@ -628,17 +843,16 @@ namespace LLInitParam bool isProvided() const { return Param::anyProvided(); } - static bool deserializeParam(Param& param, Parser& parser, const Parser::name_stack_range_t& name_stack, S32 generation) + static bool deserializeParam(Param& param, Parser& parser, const Parser::name_stack_range_t& name_stack_range, bool new_name) { self_t& typed_param = static_cast<self_t&>(param); // no further names in stack, attempt to parse value now - if (name_stack.first == name_stack.second) + if (name_stack_range.first == name_stack_range.second) { if (parser.readValue(typed_param.getValue())) { typed_param.clearValueName(); - typed_param.setProvided(true); - typed_param.enclosingBlock().paramChanged(param, true); + typed_param.setProvided(); return true; } @@ -653,8 +867,7 @@ namespace LLInitParam if (name_value_lookup_t::getValueFromName(name, typed_param.getValue())) { typed_param.setValueName(name); - typed_param.setProvided(true); - typed_param.enclosingBlock().paramChanged(param, true); + typed_param.setProvided(); return true; } @@ -671,7 +884,7 @@ namespace LLInitParam if (!name_stack.empty()) { - name_stack.back().second = parser.newParseGeneration(); + name_stack.back().second = true; } std::string key = typed_param.getValueName(); @@ -682,10 +895,7 @@ namespace LLInitParam { if (!diff_param || !ParamCompare<std::string>::equals(static_cast<const self_t*>(diff_param)->getValueName(), key)) { - if (!parser.writeValue(key, name_stack)) - { - return; - } + parser.writeValue(key, name_stack); } } // then try to serialize value directly @@ -693,7 +903,11 @@ namespace LLInitParam { if (!parser.writeValue(typed_param.getValue(), name_stack)) { - return; + 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)) + { + parser.writeValue(calculated_key, name_stack); + } } } } @@ -711,27 +925,25 @@ namespace LLInitParam void set(value_assignment_t val, bool flag_as_provided = true) { - setValue(val); param_value_t::clearValueName(); + setValue(val); setProvided(flag_as_provided); - Param::enclosingBlock().paramChanged(*this, flag_as_provided); } - void setIfNotProvided(value_assignment_t val, bool flag_as_provided = true) + self_t& operator =(const typename NAME_VALUE_LOOKUP::name_t& name) { - if (!isProvided()) - { - set(val, flag_as_provided); - } + return static_cast<self_t&>(param_value_t::operator =(name)); } - // implicit conversion - operator value_assignment_t() const { return param_value_t::getValue(); } - // explicit conversion - value_assignment_t operator()() const { return param_value_t::getValue(); } - protected: + self_t& operator =(const self_t& other) + { + param_value_t::operator =(other); + Param::operator =(other); + return *this; + } + static bool mergeWith(Param& dst, const Param& src, bool overwrite) { const self_t& src_typed_param = static_cast<const self_t&>(src); @@ -740,7 +952,6 @@ 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; } @@ -755,12 +966,12 @@ namespace LLInitParam public ParamValue<T, NAME_VALUE_LOOKUP> { public: - typedef const T value_const_t; - typedef T value_t; - typedef value_const_t& value_assignment_t; + 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; - typedef ParamValue<T, NAME_VALUE_LOOKUP> param_value_t; + + using param_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), @@ -780,15 +991,14 @@ namespace LLInitParam } } - static bool deserializeParam(Param& param, Parser& parser, const Parser::name_stack_range_t& name_stack, S32 generation) + static bool deserializeParam(Param& param, Parser& parser, const Parser::name_stack_range_t& name_stack_range, bool new_name) { self_t& typed_param = static_cast<self_t&>(param); // attempt to parse block... - if(typed_param.deserializeBlock(parser, name_stack, generation)) + if(typed_param.deserializeBlock(parser, name_stack_range, new_name)) { typed_param.clearValueName(); - typed_param.enclosingBlock().paramChanged(param, true); - typed_param.setProvided(true); + typed_param.setProvided(); return true; } @@ -801,10 +1011,8 @@ namespace LLInitParam // try to parse a per type named value if (name_value_lookup_t::getValueFromName(name, typed_param.getValue())) { - typed_param.enclosingBlock().paramChanged(param, true); typed_param.setValueName(name); - typed_param.setProvided(true); - typed_param.mKeyVersion = typed_param.getLastChangeVersion(); + typed_param.setProvided(); return true; } @@ -820,11 +1028,11 @@ namespace LLInitParam if (!name_stack.empty()) { - name_stack.back().second = parser.newParseGeneration(); + name_stack.back().second = true; } std::string key = typed_param.getValueName(); - if (!key.empty() && typed_param.mKeyVersion == typed_param.getLastChangeVersion()) + if (!key.empty()) { if (!parser.writeValue(key, name_stack)) { @@ -849,11 +1057,10 @@ namespace LLInitParam bool isProvided() const { // only validate block when it hasn't already passed validation with current data - if (Param::anyProvided() && param_value_t::mValidatedVersion < param_value_t::getLastChangeVersion()) + if (Param::anyProvided() && !param_value_t::mValidated) { // a sub-block is "provided" when it has been filled in enough to be valid param_value_t::mValidated = param_value_t::validateBlock(false); - param_value_t::mValidatedVersion = param_value_t::getLastChangeVersion(); } return Param::anyProvided() && param_value_t::mValidated; } @@ -863,41 +1070,44 @@ namespace LLInitParam { setValue(val); param_value_t::clearValueName(); - // force revalidation of block by clearing known provided version + // force revalidation of block // next call to isProvided() will update provision status based on validity - param_value_t::mValidatedVersion = -1; + param_value_t::mValidated = false; setProvided(flag_as_provided); - Param::enclosingBlock().paramChanged(*this, flag_as_provided); } - void setIfNotProvided(value_assignment_t val, bool flag_as_provided = true) + self_t& operator =(const typename NAME_VALUE_LOOKUP::name_t& name) { - if (!isProvided()) - { - set(val, flag_as_provided); - } + return static_cast<self_t&>(param_value_t::operator =(name)); } // 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::enclosingBlock().paramChanged(*this, 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 - setProvided(true); + param_value_t::mValidated = false; + setProvided(); + param_value_t::clearValueName(); + } + else + { + Param::enclosingBlock().paramChanged(*this, user_provided); } } - // implicit conversion - operator value_assignment_t() const { return param_value_t::getValue(); } - // explicit conversion - value_assignment_t operator()() const { return param_value_t::getValue(); } - protected: + self_t& operator =(const self_t& other) + { + param_value_t::operator =(other); + Param::operator =(other); + return *this; + } + static bool mergeWith(Param& dst, const Param& src, bool overwrite) { const self_t& src_typed_param = static_cast<const self_t&>(src); @@ -905,12 +1115,10 @@ namespace LLInitParam if (src_typed_param.anyProvided()) { - bool param_provided = src_typed_param.isProvided() && (overwrite || !dst_typed_param.isProvided()); - if (dst_typed_param.mergeBlockParam(param_provided, param_value_t::selfBlockDescriptor(), src_typed_param, overwrite)) + if (dst_typed_param.mergeBlockParam(src_typed_param.isProvided(), dst_typed_param.isProvided(), param_value_t::selfBlockDescriptor(), src_typed_param, overwrite)) { dst_typed_param.clearValueName(); dst_typed_param.setProvided(true); - dst_typed_param.enclosingBlock().paramChanged(dst_typed_param, true); return true; } } @@ -925,11 +1133,11 @@ namespace LLInitParam { public: typedef TypedParam<VALUE_TYPE, NAME_VALUE_LOOKUP, true, false> self_t; - typedef ParamValue<VALUE_TYPE, NAME_VALUE_LOOKUP> param_value_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 VALUE_TYPE value_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) @@ -953,12 +1161,12 @@ namespace LLInitParam bool isProvided() const { return Param::anyProvided(); } - static bool deserializeParam(Param& param, Parser& parser, const Parser::name_stack_range_t& name_stack, S32 generation) + static bool deserializeParam(Param& param, Parser& parser, const Parser::name_stack_range_t& name_stack_range, bool new_name) { self_t& typed_param = static_cast<self_t&>(param); value_t value; // no further names in stack, attempt to parse value now - if (name_stack.first == name_stack.second) + if (name_stack_range.first == name_stack_range.second) { // attempt to read value directly if (parser.readValue(value)) @@ -975,7 +1183,7 @@ namespace LLInitParam if (parser.readValue(name)) { // try to parse a per type named value - if (name_value_lookup_t::getValueFromName(name, typed_param.mValues)) + if (name_value_lookup_t::getValueFromName(name, value)) { typed_param.add(value); typed_param.mValues.back().setValueName(name); @@ -997,15 +1205,20 @@ namespace LLInitParam it != end_it; ++it) { - std::string key = it->getValue(); - name_stack.back().second = parser.newParseGeneration(); + std::string key = it->getValueName(); + name_stack.back().second = true; if(key.empty()) // not parsed via name values, write out value directly { - if (!parser.writeValue(*it, name_stack)) + bool value_written = parser.writeValue(*it, name_stack); + if (!value_written) { - break; + std::string calculated_key = it->calcValueName(it->getValue()); + if (!parser.writeValue(calculated_key, name_stack)) + { + break; + } } } else @@ -1031,35 +1244,39 @@ namespace LLInitParam { mValues = val; setProvided(flag_as_provided); - 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() + param_value_t& add() { mValues.push_back(param_value_t(value_t())); - setProvided(true); - Param::enclosingBlock().paramChanged(*this, true); + Param::setProvided(); return mValues.back(); } void add(const value_t& item) { - mValues.push_back(param_value_t(item)); - setProvided(true); - Param::enclosingBlock().paramChanged(*this, true); + param_value_t param_value; + param_value.setValue(item); + mValues.push_back(param_value); + setProvided(); + } + + void add(const typename name_value_lookup_t::name_t& name) + { + value_t value; + + // try to parse a per type named value + if (name_value_lookup_t::getValueFromName(name, value)) + { + add(value); + mValues.back().setValueName(name); + } } // implicit conversion operator value_assignment_t() const { return mValues; } + // explicit conversion + value_assignment_t operator()() const { return mValues; } typedef typename container_t::iterator iterator; typedef typename container_t::const_iterator const_iterator; @@ -1094,8 +1311,7 @@ namespace LLInitParam if (src_typed_param.begin() != src_typed_param.end()) { - dst_typed_param.setProvided(true); - dst_typed_param.enclosingBlock().paramChanged(dst_typed_param, true); + dst_typed_param.setProvided(); } return true; } @@ -1113,12 +1329,11 @@ namespace LLInitParam 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 VALUE_TYPE value_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) - : Param(block_descriptor.mCurrentBlockPtr), - mLastParseGeneration(0) + : Param(block_descriptor.mCurrentBlockPtr) { std::copy(value.begin(), value.end(), back_inserter(mValues)); @@ -1138,13 +1353,12 @@ namespace LLInitParam bool isProvided() const { return Param::anyProvided(); } - static bool deserializeParam(Param& param, Parser& parser, const Parser::name_stack_range_t& name_stack, S32 generation) + static bool deserializeParam(Param& param, Parser& parser, const Parser::name_stack_range_t& name_stack_range, bool new_name) { self_t& typed_param = static_cast<self_t&>(param); bool new_value = false; - if (generation != typed_param.mLastParseGeneration - || typed_param.mValues.empty()) + if (new_name || typed_param.mValues.empty()) { new_value = true; typed_param.mValues.push_back(value_t()); @@ -1153,14 +1367,9 @@ namespace LLInitParam param_value_t& value = typed_param.mValues.back(); // attempt to parse block... - if(value.deserializeBlock(parser, name_stack, generation)) + if(value.deserializeBlock(parser, name_stack_range, new_name)) { - if (new_value) - { // successfully parsed new value, let's keep it - typed_param.mLastParseGeneration = generation; - } - typed_param.enclosingBlock().paramChanged(param, true); - typed_param.setProvided(true); + typed_param.setProvided(); return true; } else if(name_value_lookup_t::valueNamesExist()) @@ -1172,15 +1381,8 @@ namespace LLInitParam // try to parse a per type named value if (name_value_lookup_t::getValueFromName(name, value.getValue())) { - if (new_value) - { // successfully parsed new value, let's keep it - typed_param.mLastParseGeneration = generation; - } - typed_param.mValues.back().setValueName(name); - typed_param.mValues.back().mKeyVersion = value.getLastChangeVersion(); - typed_param.enclosingBlock().paramChanged(param, true); - typed_param.setProvided(true); + typed_param.setProvided(); return true; } @@ -1204,10 +1406,10 @@ namespace LLInitParam it != end_it; ++it) { - name_stack.back().second = parser.newParseGeneration(); + name_stack.back().second = true; std::string key = it->getValueName(); - if (!key.empty() && it->mKeyVersion == it->getLastChangeVersion()) + if (!key.empty()) { parser.writeValue(key, name_stack); } @@ -1230,34 +1432,37 @@ namespace LLInitParam { mValues = val; setProvided(flag_as_provided); - 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() + param_value_t& add() { mValues.push_back(value_t()); - setProvided(true); - Param::enclosingBlock().paramChanged(*this, true); + setProvided(); return mValues.back(); } void add(const value_t& item) { mValues.push_back(item); - setProvided(true); - Param::enclosingBlock().paramChanged(*this, true); + setProvided(); + } + + void add(const typename name_value_lookup_t::name_t& name) + { + value_t value; + + // try to parse a per type named value + if (name_value_lookup_t::getValueFromName(name, value)) + { + add(value); + mValues.back().setValueName(name); + } } // implicit conversion operator value_assignment_t() const { return mValues; } + // explicit conversion + value_assignment_t operator()() const { return mValues; } typedef typename container_t::iterator iterator; typedef typename container_t::const_iterator const_iterator; @@ -1300,43 +1505,43 @@ namespace LLInitParam if (src_typed_param.begin() != src_typed_param.end()) { - dst_typed_param.setProvided(true); - dst_typed_param.enclosingBlock().paramChanged(dst_typed_param, true); + dst_typed_param.setProvided(); } return true; } container_t mValues; - - S32 mLastParseGeneration; }; - template <typename DERIVED_BLOCK> - class Choice : public BaseBlock + template <typename DERIVED_BLOCK, typename BASE_BLOCK = BaseBlock> + class ChoiceBlock : public BASE_BLOCK { - typedef Choice<DERIVED_BLOCK> self_t; - typedef Choice<DERIVED_BLOCK> enclosing_block_t; + typedef ChoiceBlock<DERIVED_BLOCK, BASE_BLOCK> self_t; + typedef ChoiceBlock<DERIVED_BLOCK, BASE_BLOCK> enclosing_block_t; + typedef BASE_BLOCK base_block_t; LOG_CLASS(self_t); public: // take all provided params from other and apply to self bool overwriteFrom(const self_t& other) { - return mergeBlock(selfBlockDescriptor(), other, true); + return static_cast<DERIVED_BLOCK*>(this)->mergeBlock(selfBlockDescriptor(), other, true); } // take all provided params that are not already provided, and apply to self bool fillFrom(const self_t& other) { - return mergeBlock(selfBlockDescriptor(), other, false); + return static_cast<DERIVED_BLOCK*>(this)->mergeBlock(selfBlockDescriptor(), other, false); } - bool mergeBlockParam(bool param_provided, BlockDescriptor& block_data, const self_t& other, bool overwrite) + bool mergeBlockParam(bool source_provided, bool dest_provided, BlockDescriptor& block_data, const self_t& source, bool overwrite) { - if (param_provided) + bool source_override = source_provided && (overwrite || !dest_provided); + + if (source_override || source.mCurChoice == mCurChoice) { - return mergeBlock(block_data, other, overwrite); + return mergeBlock(block_data, source, overwrite); } return false; } @@ -1345,35 +1550,35 @@ namespace LLInitParam bool mergeBlock(BlockDescriptor& block_data, const self_t& other, bool overwrite) { mCurChoice = other.mCurChoice; - return BaseBlock::mergeBlock(selfBlockDescriptor(), other, overwrite); + return base_block_t::mergeBlock(selfBlockDescriptor(), other, overwrite); } // clear out old choice when param has changed /*virtual*/ void paramChanged(const Param& changed_param, bool user_provided) { - param_handle_t changed_param_handle = BaseBlock::getHandleFromParam(&changed_param); + param_handle_t changed_param_handle = base_block_t::getHandleFromParam(&changed_param); // if we have a new choice... if (changed_param_handle != mCurChoice) { // clear provided flag on previous choice - Param* previous_choice = BaseBlock::getParamFromHandle(mCurChoice); + Param* previous_choice = base_block_t::getParamFromHandle(mCurChoice); if (previous_choice) { previous_choice->setProvided(false); } mCurChoice = changed_param_handle; } - BaseBlock::paramChanged(changed_param, user_provided); + base_block_t::paramChanged(changed_param, user_provided); } virtual const BlockDescriptor& mostDerivedBlockDescriptor() const { return selfBlockDescriptor(); } virtual BlockDescriptor& mostDerivedBlockDescriptor() { return selfBlockDescriptor(); } protected: - Choice() + ChoiceBlock() : mCurChoice(0) { - BaseBlock::init(selfBlockDescriptor(), BaseBlock::selfBlockDescriptor(), sizeof(DERIVED_BLOCK)); + BaseBlock::init(selfBlockDescriptor(), base_block_t::selfBlockDescriptor(), sizeof(DERIVED_BLOCK)); } // Alternatives are mutually exclusive wrt other Alternatives in the same block. @@ -1383,13 +1588,15 @@ namespace LLInitParam class Alternative : public TypedParam<T, NAME_VALUE_LOOKUP, false> { public: - friend class Choice<DERIVED_BLOCK>; + 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; - explicit Alternative(const char* name, value_assignment_t val = defaultValue<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), mOriginalValue(val) { @@ -1404,10 +1611,19 @@ namespace LLInitParam } } - Alternative& operator=(value_assignment_t val) + void choose() + { + static_cast<enclosing_block_t&>(Param::enclosingBlock()).paramChanged(*this, true); + } + + void chooseAs(value_assignment_t val) + { + super_t::set(val); + } + + void operator =(value_assignment_t val) { super_t::set(val); - return *this; } void operator()(typename super_t::value_assignment_t val) @@ -1416,12 +1632,8 @@ namespace LLInitParam } operator value_assignment_t() const - { - if (static_cast<enclosing_block_t&>(Param::enclosingBlock()).getCurrentChoice() == this) - { - return super_t::getValue(); - } - return mOriginalValue; + { + return (*this)(); } value_assignment_t operator()() const @@ -1454,7 +1666,7 @@ namespace LLInitParam const Param* getCurrentChoice() const { - return BaseBlock::getParamFromHandle(mCurChoice); + return base_block_t::getParamFromHandle(mCurChoice); } }; @@ -1500,13 +1712,16 @@ namespace LLInitParam 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(); + 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) { //#pragma message("Parsing LLInitParam::Block::Optional") } - Optional& operator=(value_assignment_t val) + Optional& operator =(value_assignment_t val) { set(val); return *this; @@ -1517,7 +1732,6 @@ namespace LLInitParam super_t::set(val); return static_cast<DERIVED_BLOCK&>(Param::enclosingBlock()); } - using super_t::operator(); }; template <typename T, typename NAME_VALUE_LOOKUP = TypeValues<T> > @@ -1528,12 +1742,15 @@ namespace LLInitParam typedef Mandatory<T, NAME_VALUE_LOOKUP> self_t; typedef typename super_t::value_assignment_t value_assignment_t; + 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) {} - Mandatory& operator=(value_assignment_t val) + Mandatory& operator =(value_assignment_t val) { set(val); return *this; @@ -1544,7 +1761,6 @@ namespace LLInitParam super_t::set(val); return static_cast<DERIVED_BLOCK&>(Param::enclosingBlock()); } - using super_t::operator(); static bool validate(const Param* p) { @@ -1566,10 +1782,10 @@ namespace LLInitParam 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::selfBlockDescriptor(), name, container_t(), &validate, RANGE::minCount, RANGE::maxCount) {} - Multiple& operator=(value_assignment_t val) + Multiple& operator =(value_assignment_t val) { set(val); return *this; @@ -1584,100 +1800,10 @@ namespace LLInitParam static bool validate(const Param* paramp) { U32 num_valid = ((super_t*)paramp)->numValidElements(); - return RANGE::minCount() <= num_valid && num_valid <= RANGE::maxCount(); + return RANGE::minCount <= num_valid && num_valid <= RANGE::maxCount; } }; - template <typename T, typename RANGE = BaseBlock::AnyAmount, typename NAME_VALUE_LOOKUP = TypeValues<T> > - class Batch : private TypedParam<T, NAME_VALUE_LOOKUP, false> - { - public: - typedef ParamValue<T, NAME_VALUE_LOOKUP> param_value_t; - typedef TypedParam<T, NAME_VALUE_LOOKUP, false, IsBlock<param_value_t>::value> super_t; - typedef Batch<T, RANGE, NAME_VALUE_LOOKUP> self_t; - typedef typename super_t::value_assignment_t value_assignment_t; - typedef typename super_t::value_t value_t; - - struct BatchDefaultValue : public ParamDescriptor::UserData - { - BatchDefaultValue(const T& value) - : mValue(value) - {} - - T mValue; - }; - - explicit Batch(const char* name, value_assignment_t val) - : super_t(DERIVED_BLOCK::selfBlockDescriptor(), name, val, NULL, 0, 1), - mLastParseGeneration(-1) - { - BlockDescriptor& block_descriptor = DERIVED_BLOCK::selfBlockDescriptor(); - if (LL_UNLIKELY(block_descriptor.mInitializationState == BlockDescriptor::INITIALIZING)) - { - ParamDescriptorPtr param_descriptorp = block_descriptor.mCurrentBlockPtr->findParamDescriptor(*this); - - if (param_descriptorp) - { - param_descriptorp->mDeserializeFunc = &deserializeParam; - param_descriptorp->mUserData = new BatchDefaultValue(new param_value_t(val)); - } - } - } - - explicit Batch(const char* name = "") - : super_t(DERIVED_BLOCK::selfBlockDescriptor(), name, defaultValue<T>(), NULL, 0, 1), - mLastParseGeneration(-1) - { - BlockDescriptor& block_descriptor = DERIVED_BLOCK::selfBlockDescriptor(); - if (LL_UNLIKELY(block_descriptor.mInitializationState == BlockDescriptor::INITIALIZING)) - { - ParamDescriptorPtr param_descriptorp = block_descriptor.mCurrentBlockPtr->findParamDescriptor(*this); - - if (param_descriptorp) - { - param_descriptorp->mDeserializeFunc = &deserializeParam; - } - } - } - - Batch& operator=(value_assignment_t val) - { - set(val); - return *this; - } - - DERIVED_BLOCK& operator()(value_assignment_t val) - { - super_t::set(val); - return static_cast<DERIVED_BLOCK&>(Param::enclosingBlock()); - } - - using super_t::operator(); - - private: - 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); - - if (generation != typed_param.mLastParseGeneration) - { - ParamDescriptorPtr descriptor = typed_param.enclosingBlock().findParamDescriptor(param); - if (descriptor && static_cast<BatchDefaultValue*>(descriptor->mUserData)) - { - static_cast<param_value_t&>(typed_param) = (static_cast<BatchDefaultValue*>(descriptor->mUserData))->mValue; - } - else - { - static_cast<param_value_t&>(typed_param) = param_value_t(value_t()); - } - typed_param.mLastParseGeneration = generation; - } - return super_t::deserializeParam(param, parser, name_stack, generation); - } - - S32 mLastParseGeneration; - }; - class Deprecated : public Param { public: @@ -1699,9 +1825,9 @@ namespace LLInitParam } } - static bool deserializeParam(Param& param, Parser& parser, const Parser::name_stack_range_t& name_stack, S32 generation) + static bool deserializeParam(Param& param, Parser& parser, const Parser::name_stack_range_t& name_stack_range, bool new_name) { - if (name_stack.first == name_stack.second) + if (name_stack_range.first == name_stack_range.second) { //std::string message = llformat("Deprecated value %s ignored", getName().c_str()); //parser.parserWarning(message); @@ -1712,6 +1838,7 @@ namespace LLInitParam } }; + // different semantics for documentation purposes, but functionally identical typedef Deprecated Ignored; protected: @@ -1720,8 +1847,233 @@ 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 DERIVED_BLOCK, typename BASE_BLOCK = BaseBlock> + class BatchBlock + : public Block<DERIVED_BLOCK, BASE_BLOCK> + { + public: + typedef BatchBlock<DERIVED_BLOCK, BASE_BLOCK> self_t; + typedef Block<DERIVED_BLOCK, BASE_BLOCK> super_t; + + BatchBlock() + {} + + 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(); + } + return super_t::deserializeBlock(p, name_stack_range, new_name); + } + + bool mergeBlock(BlockDescriptor& block_data, const BaseBlock& other, bool overwrite) + { + if (overwrite) + { + *static_cast<DERIVED_BLOCK*>(this) = defaultBatchValue(); + // merge individual parameters into destination + return super_t::mergeBlock(super_t::selfBlockDescriptor(), other, overwrite); + } + return false; + } + protected: + static const DERIVED_BLOCK& defaultBatchValue() + { + static DERIVED_BLOCK default_value; + return default_value; + } + }; + + // 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> + { + public: + typedef BatchBlock<DERIVED_BLOCK, BASE_BLOCK> block_t; + typedef const BatchBlock<DERIVED_BLOCK, BASE_BLOCK>& value_assignment_t; + typedef block_t value_t; + + ParamValue() + : block_t(), + mValidated(false) + {} + + ParamValue(value_assignment_t other) + : block_t(other), + mValidated(false) + { + } + + void setValue(value_assignment_t val) + { + *this = val; + } + + value_assignment_t getValue() const + { + return *this; + } + + BatchBlock<DERIVED_BLOCK, BASE_BLOCK>& getValue() + { + return *this; + } + + operator value_assignment_t() const + { + return *this; + } + + value_assignment_t operator()() const + { + return *this; + } + + protected: + mutable bool mValidated; // lazy validation flag + }; + + template<typename T, bool IS_BLOCK> + class ParamValue <BaseBlock::Lazy<T>, + TypeValues<T>, + IS_BLOCK> + : public IsBlock<T>::base_class_t + { + public: + typedef ParamValue <BaseBlock::Lazy<T>, TypeValues<T>, false> self_t; + typedef const T& value_assignment_t; + typedef T value_t; + + ParamValue() + : mValue(), + mValidated(false) + {} + + ParamValue(value_assignment_t other) + : mValue(other), + mValidated(false) + {} + + void setValue(value_assignment_t val) + { + mValue.set(val); + } + + value_assignment_t getValue() const + { + return mValue.get(); + } + + T& getValue() + { + return mValue.get(); + } + + operator value_assignment_t() const + { + return mValue.get(); + } + + value_assignment_t operator()() const + { + return mValue.get(); + } + + bool deserializeBlock(Parser& p, Parser::name_stack_range_t name_stack_range, bool new_name) + { + return mValue.get().deserializeBlock(p, name_stack_range, new_name); + } + + void serializeBlock(Parser& p, Parser::name_stack_t& name_stack, const BaseBlock* diff_block = NULL) const + { + if (mValue.empty()) return; + + mValue.get().serializeBlock(p, name_stack, diff_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 + { + if (mValue.empty()) return false; + + return mValue.get().inspectBlock(p, name_stack, min_count, max_count); + } + + protected: + mutable bool mValidated; // lazy validation flag + + private: + BaseBlock::Lazy<T> mValue; + }; + + template <> + class ParamValue <LLSD, + TypeValues<LLSD>, + false> + : public TypeValues<LLSD>, + public BaseBlock + { + public: + typedef ParamValue<LLSD, TypeValues<LLSD>, false> self_t; + typedef const LLSD& value_assignment_t; + + ParamValue() + : mValidated(false) + {} + + ParamValue(value_assignment_t other) + : mValue(other), + mValidated(false) + {} + + void setValue(value_assignment_t val) { mValue = val; } + + value_assignment_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 + 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 + { + //TODO: implement LLSD params as schema type Any + return true; + } + + protected: + mutable bool mValidated; // lazy validation flag + + private: + static void serializeElement(Parser& p, const LLSD& sd, Parser::name_stack_t& name_stack); + + LLSD mValue; + }; + template<typename T> class CustomParamValue : public Block<ParamValue<T, TypeValues<T> > >, @@ -1737,46 +2089,42 @@ namespace LLInitParam typedef ParamValue<T, TypeValues<T> > derived_t; typedef CustomParamValue<T> self_t; - typedef Block<derived_t> block_t; + typedef Block<derived_t> block_t; typedef const T& value_assignment_t; + typedef T value_t; + CustomParamValue(const T& value = T()) : mValue(value), mValueAge(VALUE_AUTHORITATIVE), - mKeyVersion(0), - mValidatedVersion(-1) + mValidated(false) {} - bool deserializeBlock(Parser& parser, Parser::name_stack_range_t name_stack, S32 generation) + bool deserializeBlock(Parser& parser, Parser::name_stack_range_t name_stack_range, bool new_name) { derived_t& typed_param = static_cast<derived_t&>(*this); - // type to apply parse direct value T - if (name_stack.first == name_stack.second) + // try to parse direct value T + if (name_stack_range.first == name_stack_range.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_range, new_name); } - void serializeBlock(Parser& parser, Parser::name_stack_t name_stack = Parser::name_stack_t(), const BaseBlock* diff_block = NULL) const + void serializeBlock(Parser& parser, Parser::name_stack_t& name_stack, 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(); @@ -1801,7 +2149,20 @@ 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); + } } } } @@ -1850,7 +2211,7 @@ 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; } @@ -1863,7 +2224,7 @@ 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 @@ -1878,7 +2239,15 @@ namespace LLInitParam return mValue; } - S32 mKeyVersion; + operator value_assignment_t() const + { + return getValue(); + } + + value_assignment_t operator()() const + { + return getValue(); + } protected: @@ -1888,37 +2257,34 @@ namespace LLInitParam mValue = value; } - bool mergeBlockParam(bool param_provided, BlockDescriptor& block_data, const BaseBlock& other, bool overwrite) + bool mergeBlockParam(bool source_provided, bool dst_provided, BlockDescriptor& block_data, const BaseBlock& source, bool overwrite) { - if (param_provided) - { - return mergeBlock(block_data, other, overwrite); - } - return false; - } + bool source_override = source_provided && (overwrite || !dst_provided); - bool mergeBlock(BlockDescriptor& block_data, const BaseBlock& other, bool overwrite) - { - const derived_t& src_typed_param = static_cast<const derived_t&>(other); + const derived_t& src_typed_param = static_cast<const derived_t&>(source); - if (src_typed_param.mValueAge == VALUE_AUTHORITATIVE) + if (source_override && src_typed_param.mValueAge == VALUE_AUTHORITATIVE) { // copy value over setValue(src_typed_param.getValue()); return true; } - else + // merge individual parameters into destination + if (mValueAge == VALUE_AUTHORITATIVE) { - // merge individual parameters into destination - return block_t::mergeBlock(block_t::selfBlockDescriptor(), src_typed_param, overwrite); + static_cast<derived_t*>(this)->updateBlockFromValue(dst_provided); } + return mergeBlock(block_data, source, overwrite); + } + + bool mergeBlock(BlockDescriptor& block_data, const BaseBlock& source, bool overwrite) + { + return block_t::mergeBlock(block_data, source, overwrite); } - mutable S32 mValidatedVersion; mutable bool mValidated; // lazy validation flag private: - mutable T mValue; mutable EValueAge mValueAge; }; |