diff options
Diffstat (limited to 'indra/llcommon/llsd.h')
| -rw-r--r-- | indra/llcommon/llsd.h | 56 |
1 files changed, 41 insertions, 15 deletions
diff --git a/indra/llcommon/llsd.h b/indra/llcommon/llsd.h index 24cb9bbce1..c1406cf73f 100644 --- a/indra/llcommon/llsd.h +++ b/indra/llcommon/llsd.h @@ -30,6 +30,7 @@ #include <map> #include <string> #include <vector> +#include <type_traits> #include "stdtypes.h" @@ -192,7 +193,17 @@ public: /** @name Convenience Constructors */ //@{ - LLSD(F32); // F32 -> Real + // support construction from size_t et al. + template <typename VALUE, + typename std::enable_if<std::is_integral<VALUE>::value && + ! std::is_same<VALUE, Boolean>::value, + bool>::type = true> + LLSD(VALUE v): LLSD(Integer(narrow(v))) {} + // support construction from F32 et al. + template <typename VALUE, + typename std::enable_if<std::is_floating_point<VALUE>::value, + bool>::type = true> + LLSD(VALUE v): LLSD(Real(narrow(v))) {} //@} /** @name Scalar Assignment */ @@ -205,15 +216,21 @@ public: void assign(const Date&); void assign(const URI&); void assign(const Binary&); - - LLSD& operator=(Boolean v) { assign(v); return *this; } - LLSD& operator=(Integer v) { assign(v); return *this; } - LLSD& operator=(Real v) { assign(v); return *this; } - LLSD& operator=(const String& v) { assign(v); return *this; } - LLSD& operator=(const UUID& v) { assign(v); return *this; } - LLSD& operator=(const Date& v) { assign(v); return *this; } - LLSD& operator=(const URI& v) { assign(v); return *this; } - LLSD& operator=(const Binary& v) { assign(v); return *this; } + + // support assignment from size_t et al. + template <typename VALUE, + typename std::enable_if<std::is_integral<VALUE>::value && + ! std::is_same<VALUE, Boolean>::value, + bool>::type = true> + void assign(VALUE v) { assign(Integer(narrow(v))); } + // support assignment from F32 et al. + template <typename VALUE, + typename std::enable_if<std::is_floating_point<VALUE>::value, + bool>::type = true> + void assign(VALUE v) { assign(Real(narrow(v))); } + + template <typename VALUE> + LLSD& operator=(VALUE v) { assign(v); return *this; } //@} /** @@ -275,7 +292,6 @@ public: //@{ LLSD(const char*); void assign(const char*); - LLSD& operator=(const char* v) { assign(v); return *this; } //@} /** @name Map Values */ @@ -313,14 +329,24 @@ public: LLSD& append(const LLSD&); void erase(Integer); LLSD& with(Integer, const LLSD&); - - const LLSD& operator[](Integer) const; - LLSD& operator[](Integer); + + // accept size_t so we can index relative to size() + const LLSD& operator[](size_t) const; + LLSD& operator[](size_t); + // template overloads to support int literals, U32 et al. + template <typename IDX, + typename std::enable_if<std::is_convertible<IDX, size_t>::value, + bool>::type = true> + const LLSD& operator[](IDX i) const { return (*this)[size_t(i)]; } + template <typename IDX, + typename std::enable_if<std::is_convertible<IDX, size_t>::value, + bool>::type = true> + LLSD& operator[](IDX i) { return (*this)[size_t(i)]; } //@} /** @name Iterators */ //@{ - int size() const; + size_t size() const; typedef std::map<String, LLSD>::iterator map_iterator; typedef std::map<String, LLSD>::const_iterator map_const_iterator; |