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Diffstat (limited to 'depends/libnbtplusplus/src/value.cpp')
| -rw-r--r-- | depends/libnbtplusplus/src/value.cpp | 376 |
1 files changed, 376 insertions, 0 deletions
diff --git a/depends/libnbtplusplus/src/value.cpp b/depends/libnbtplusplus/src/value.cpp new file mode 100644 index 00000000..8376dc9b --- /dev/null +++ b/depends/libnbtplusplus/src/value.cpp @@ -0,0 +1,376 @@ +/* + * libnbt++ - A library for the Minecraft Named Binary Tag format. + * Copyright (C) 2013, 2015 ljfa-ag + * + * This file is part of libnbt++. + * + * libnbt++ is free software: you can redistribute it and/or modify + * it under the terms of the GNU Lesser General Public License as published by + * the Free Software Foundation, either version 3 of the License, or + * (at your option) any later version. + * + * libnbt++ is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public License + * along with libnbt++. If not, see <http://www.gnu.org/licenses/>. + */ +#include "value.h" +#include "nbt_tags.h" +#include <typeinfo> + +namespace nbt +{ + +value::value(tag&& t): + tag_(std::move(t).move_clone()) +{} + +value::value(const value& rhs): + tag_(rhs.tag_ ? rhs.tag_->clone() : nullptr) +{} + +value& value::operator=(const value& rhs) +{ + if(this != &rhs) + { + tag_ = rhs.tag_ ? rhs.tag_->clone() : nullptr; + } + return *this; +} + +value& value::operator=(tag&& t) +{ + set(std::move(t)); + return *this; +} + +void value::set(tag&& t) +{ + if(tag_) + tag_->assign(std::move(t)); + else + tag_ = std::move(t).move_clone(); +} + +//Primitive assignment +//FIXME: Make this less copypaste! +value& value::operator=(int8_t val) +{ + if(!tag_) + set(tag_byte(val)); + else switch(tag_->get_type()) + { + case tag_type::Byte: + static_cast<tag_byte&>(*tag_).set(val); + break; + case tag_type::Short: + static_cast<tag_short&>(*tag_).set(val); + break; + case tag_type::Int: + static_cast<tag_int&>(*tag_).set(val); + break; + case tag_type::Long: + static_cast<tag_long&>(*tag_).set(val); + break; + case tag_type::Float: + static_cast<tag_float&>(*tag_).set(val); + break; + case tag_type::Double: + static_cast<tag_double&>(*tag_).set(val); + break; + + default: + throw std::bad_cast(); + } + return *this; +} + +value& value::operator=(int16_t val) +{ + if(!tag_) + set(tag_short(val)); + else switch(tag_->get_type()) + { + case tag_type::Short: + static_cast<tag_short&>(*tag_).set(val); + break; + case tag_type::Int: + static_cast<tag_int&>(*tag_).set(val); + break; + case tag_type::Long: + static_cast<tag_long&>(*tag_).set(val); + break; + case tag_type::Float: + static_cast<tag_float&>(*tag_).set(val); + break; + case tag_type::Double: + static_cast<tag_double&>(*tag_).set(val); + break; + + default: + throw std::bad_cast(); + } + return *this; +} + +value& value::operator=(int32_t val) +{ + if(!tag_) + set(tag_int(val)); + else switch(tag_->get_type()) + { + case tag_type::Int: + static_cast<tag_int&>(*tag_).set(val); + break; + case tag_type::Long: + static_cast<tag_long&>(*tag_).set(val); + break; + case tag_type::Float: + static_cast<tag_float&>(*tag_).set(val); + break; + case tag_type::Double: + static_cast<tag_double&>(*tag_).set(val); + break; + + default: + throw std::bad_cast(); + } + return *this; +} + +value& value::operator=(int64_t val) +{ + if(!tag_) + set(tag_long(val)); + else switch(tag_->get_type()) + { + case tag_type::Long: + static_cast<tag_long&>(*tag_).set(val); + break; + case tag_type::Float: + static_cast<tag_float&>(*tag_).set(val); + break; + case tag_type::Double: + static_cast<tag_double&>(*tag_).set(val); + break; + + default: + throw std::bad_cast(); + } + return *this; +} + +value& value::operator=(float val) +{ + if(!tag_) + set(tag_float(val)); + else switch(tag_->get_type()) + { + case tag_type::Float: + static_cast<tag_float&>(*tag_).set(val); + break; + case tag_type::Double: + static_cast<tag_double&>(*tag_).set(val); + break; + + default: + throw std::bad_cast(); + } + return *this; +} + +value& value::operator=(double val) +{ + if(!tag_) + set(tag_double(val)); + else switch(tag_->get_type()) + { + case tag_type::Double: + static_cast<tag_double&>(*tag_).set(val); + break; + + default: + throw std::bad_cast(); + } + return *this; +} + +//Primitive conversion +value::operator int8_t() const +{ + switch(tag_->get_type()) + { + case tag_type::Byte: + return static_cast<tag_byte&>(*tag_).get(); + + default: + throw std::bad_cast(); + } +} + +value::operator int16_t() const +{ + switch(tag_->get_type()) + { + case tag_type::Byte: + return static_cast<tag_byte&>(*tag_).get(); + case tag_type::Short: + return static_cast<tag_short&>(*tag_).get(); + + default: + throw std::bad_cast(); + } +} + +value::operator int32_t() const +{ + switch(tag_->get_type()) + { + case tag_type::Byte: + return static_cast<tag_byte&>(*tag_).get(); + case tag_type::Short: + return static_cast<tag_short&>(*tag_).get(); + case tag_type::Int: + return static_cast<tag_int&>(*tag_).get(); + + default: + throw std::bad_cast(); + } +} + +value::operator int64_t() const +{ + switch(tag_->get_type()) + { + case tag_type::Byte: + return static_cast<tag_byte&>(*tag_).get(); + case tag_type::Short: + return static_cast<tag_short&>(*tag_).get(); + case tag_type::Int: + return static_cast<tag_int&>(*tag_).get(); + case tag_type::Long: + return static_cast<tag_long&>(*tag_).get(); + + default: + throw std::bad_cast(); + } +} + +value::operator float() const +{ + switch(tag_->get_type()) + { + case tag_type::Byte: + return static_cast<tag_byte&>(*tag_).get(); + case tag_type::Short: + return static_cast<tag_short&>(*tag_).get(); + case tag_type::Int: + return static_cast<tag_int&>(*tag_).get(); + case tag_type::Long: + return static_cast<tag_long&>(*tag_).get(); + case tag_type::Float: + return static_cast<tag_float&>(*tag_).get(); + + default: + throw std::bad_cast(); + } +} + +value::operator double() const +{ + switch(tag_->get_type()) + { + case tag_type::Byte: + return static_cast<tag_byte&>(*tag_).get(); + case tag_type::Short: + return static_cast<tag_short&>(*tag_).get(); + case tag_type::Int: + return static_cast<tag_int&>(*tag_).get(); + case tag_type::Long: + return static_cast<tag_long&>(*tag_).get(); + case tag_type::Float: + return static_cast<tag_float&>(*tag_).get(); + case tag_type::Double: + return static_cast<tag_double&>(*tag_).get(); + + default: + throw std::bad_cast(); + } +} + +value& value::operator=(std::string&& str) +{ + if(!tag_) + set(tag_string(std::move(str))); + else + dynamic_cast<tag_string&>(*tag_).set(std::move(str)); + return *this; +} + +value::operator const std::string&() const +{ + return dynamic_cast<tag_string&>(*tag_).get(); +} + +value& value::at(const std::string& key) +{ + return dynamic_cast<tag_compound&>(*tag_).at(key); +} + +const value& value::at(const std::string& key) const +{ + return dynamic_cast<const tag_compound&>(*tag_).at(key); +} + +value& value::operator[](const std::string& key) +{ + return dynamic_cast<tag_compound&>(*tag_)[key]; +} + +value& value::operator[](const char* key) +{ + return (*this)[std::string(key)]; +} + +value& value::at(size_t i) +{ + return dynamic_cast<tag_list&>(*tag_).at(i); +} + +const value& value::at(size_t i) const +{ + return dynamic_cast<const tag_list&>(*tag_).at(i); +} + +value& value::operator[](size_t i) +{ + return dynamic_cast<tag_list&>(*tag_)[i]; +} + +const value& value::operator[](size_t i) const +{ + return dynamic_cast<const tag_list&>(*tag_)[i]; +} + +tag_type value::get_type() const +{ + return tag_ ? tag_->get_type() : tag_type::Null; +} + +bool operator==(const value& lhs, const value& rhs) +{ + if(lhs.tag_ != nullptr && rhs.tag_ != nullptr) + return *lhs.tag_ == *rhs.tag_; + else + return lhs.tag_ == nullptr && rhs.tag_ == nullptr; +} + +bool operator!=(const value& lhs, const value& rhs) +{ + return !(lhs == rhs); +} + +} |