506 lines
17 KiB
C++
506 lines
17 KiB
C++
/*
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https://github.com/peterix/dfhack
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Copyright (c) 2009-2011 Petr Mrázek (peterix@gmail.com)
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This software is provided 'as-is', without any express or implied
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warranty. In no event will the authors be held liable for any
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damages arising from the use of this software.
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Permission is granted to anyone to use this software for any
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purpose, including commercial applications, and to alter it and
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redistribute it freely, subject to the following restrictions:
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1. The origin of this software must not be misrepresented; you must
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not claim that you wrote the original software. If you use this
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software in a product, an acknowledgment in the product documentation
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would be appreciated but is not required.
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2. Altered source versions must be plainly marked as such, and
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must not be misrepresented as being the original software.
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3. This notice may not be removed or altered from any source
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distribution.
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*/
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#pragma once
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#include <string>
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#include <sstream>
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#include <vector>
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#include <map>
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#include "DataDefs.h"
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/*
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* Definitions of DFHack namespace structs used by generated headers.
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*/
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namespace DFHack
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{
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class DFHACK_EXPORT primitive_identity : public type_identity {
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public:
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primitive_identity(size_t size) : type_identity(size) {};
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virtual identity_type type() { return IDTYPE_PRIMITIVE; }
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};
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class DFHACK_EXPORT pointer_identity : public primitive_identity {
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type_identity *target;
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public:
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pointer_identity(type_identity *target = NULL)
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: primitive_identity(sizeof(void*)), target(target) {};
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virtual identity_type type() { return IDTYPE_POINTER; }
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type_identity *getTarget() { return target; }
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std::string getFullName();
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static void lua_read(lua_State *state, int fname_idx, void *ptr, type_identity *target);
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static void lua_write(lua_State *state, int fname_idx, void *ptr, type_identity *target, int val_index);
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virtual void lua_read(lua_State *state, int fname_idx, void *ptr);
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virtual void lua_write(lua_State *state, int fname_idx, void *ptr, int val_index);
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};
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class DFHACK_EXPORT container_identity : public constructed_identity {
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type_identity *item;
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enum_identity *ienum;
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public:
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container_identity(size_t size, TAllocateFn alloc, type_identity *item, enum_identity *ienum = NULL)
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: constructed_identity(size, alloc), item(item), ienum(ienum) {};
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virtual identity_type type() { return IDTYPE_CONTAINER; }
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std::string getFullName() { return getFullName(item); }
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virtual void build_metatable(lua_State *state);
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virtual bool isContainer() { return true; }
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type_identity *getItemType() { return item; }
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type_identity *getIndexEnumType() { return ienum; }
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virtual std::string getFullName(type_identity *item);
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enum CountMode {
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COUNT_LEN, COUNT_READ, COUNT_WRITE
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};
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int lua_item_count(lua_State *state, void *ptr, CountMode cnt);
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virtual void lua_item_reference(lua_State *state, int fname_idx, void *ptr, int idx);
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virtual void lua_item_read(lua_State *state, int fname_idx, void *ptr, int idx);
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virtual void lua_item_write(lua_State *state, int fname_idx, void *ptr, int idx, int val_index);
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virtual bool resize(void *ptr, int size) { return false; }
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virtual bool erase(void *ptr, int index) { return false; }
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virtual bool insert(void *ptr, int index, void *pitem) { return false; }
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virtual bool lua_insert(lua_State *state, int fname_idx, void *ptr, int idx, int val_index);
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protected:
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virtual int item_count(void *ptr, CountMode cnt) = 0;
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virtual void *item_pointer(type_identity *item, void *ptr, int idx) = 0;
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};
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class DFHACK_EXPORT ptr_container_identity : public container_identity {
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public:
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ptr_container_identity(size_t size, TAllocateFn alloc,
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type_identity *item, enum_identity *ienum = NULL)
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: container_identity(size, alloc, item, ienum) {};
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virtual identity_type type() { return IDTYPE_PTR_CONTAINER; }
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std::string getFullName(type_identity *item);
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virtual void lua_item_reference(lua_State *state, int fname_idx, void *ptr, int idx);
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virtual void lua_item_read(lua_State *state, int fname_idx, void *ptr, int idx);
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virtual void lua_item_write(lua_State *state, int fname_idx, void *ptr, int idx, int val_index);
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virtual bool lua_insert(lua_State *state, int fname_idx, void *ptr, int idx, int val_index);
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};
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class DFHACK_EXPORT bit_container_identity : public container_identity {
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public:
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bit_container_identity(size_t size, TAllocateFn alloc, enum_identity *ienum = NULL)
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: container_identity(size, alloc, NULL, ienum) {};
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virtual identity_type type() { return IDTYPE_BIT_CONTAINER; }
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std::string getFullName(type_identity *item);
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virtual void lua_item_reference(lua_State *state, int fname_idx, void *ptr, int idx);
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virtual void lua_item_read(lua_State *state, int fname_idx, void *ptr, int idx);
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virtual void lua_item_write(lua_State *state, int fname_idx, void *ptr, int idx, int val_index);
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protected:
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virtual void *item_pointer(type_identity *, void *, int) { return NULL; }
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virtual bool get_item(void *ptr, int idx) = 0;
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virtual void set_item(void *ptr, int idx, bool val) = 0;
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};
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}
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namespace df
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{
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using DFHack::primitive_identity;
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using DFHack::pointer_identity;
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using DFHack::container_identity;
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using DFHack::ptr_container_identity;
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using DFHack::bit_container_identity;
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class number_identity_base : public primitive_identity {
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const char *name;
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public:
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number_identity_base(size_t size, const char *name)
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: primitive_identity(size), name(name) {};
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std::string getFullName() { return name; }
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virtual void lua_read(lua_State *state, int fname_idx, void *ptr);
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virtual void lua_write(lua_State *state, int fname_idx, void *ptr, int val_index);
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protected:
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virtual double read(void *ptr) = 0;
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virtual void write(void *ptr, double val) = 0;
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};
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template<class T>
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class number_identity : public number_identity_base {
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public:
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number_identity(const char *name) : number_identity_base(sizeof(T), name) {}
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protected:
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virtual double read(void *ptr) { return double(*(T*)ptr); }
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virtual void write(void *ptr, double val) { *(T*)ptr = T(val); }
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};
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class bool_identity : public primitive_identity {
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public:
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bool_identity() : primitive_identity(sizeof(bool)) {};
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std::string getFullName() { return "bool"; }
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virtual void lua_read(lua_State *state, int fname_idx, void *ptr);
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virtual void lua_write(lua_State *state, int fname_idx, void *ptr, int val_index);
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};
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class stl_string_identity : public DFHack::constructed_identity {
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public:
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stl_string_identity()
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: constructed_identity(sizeof(std::string), &allocator_fn<std::string>)
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{};
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std::string getFullName() { return "string"; }
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virtual DFHack::identity_type type() { return DFHack::IDTYPE_PRIMITIVE; }
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virtual bool isPrimitive() { return true; }
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virtual void lua_read(lua_State *state, int fname_idx, void *ptr);
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virtual void lua_write(lua_State *state, int fname_idx, void *ptr, int val_index);
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};
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class stl_ptr_vector_identity : public ptr_container_identity {
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public:
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typedef std::vector<void*> container;
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/*
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* This class assumes that std::vector<T*> is equivalent
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* in layout and behavior to std::vector<void*> for any T.
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*/
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stl_ptr_vector_identity(type_identity *item = NULL, enum_identity *ienum = NULL)
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: ptr_container_identity(sizeof(container),allocator_fn<container>,item, ienum)
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{};
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std::string getFullName(type_identity *item) {
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return "vector" + ptr_container_identity::getFullName(item);
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}
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virtual DFHack::identity_type type() { return DFHack::IDTYPE_STL_PTR_VECTOR; }
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virtual bool resize(void *ptr, int size) {
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(*(container*)ptr).resize(size);
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return true;
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}
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virtual bool erase(void *ptr, int size) {
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auto &ct = *(container*)ptr;
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ct.erase(ct.begin()+size);
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return true;
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}
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virtual bool insert(void *ptr, int idx, void *item) {
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auto &ct = *(container*)ptr;
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ct.insert(ct.begin()+idx, item);
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return true;
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}
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protected:
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virtual int item_count(void *ptr, CountMode) {
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return ((container*)ptr)->size();
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};
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virtual void *item_pointer(type_identity *, void *ptr, int idx) {
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return &(*(container*)ptr)[idx];
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}
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};
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class buffer_container_identity : public container_identity {
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int size;
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public:
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buffer_container_identity()
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: container_identity(0, NULL, NULL, NULL), size(0)
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{}
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buffer_container_identity(int size, type_identity *item, enum_identity *ienum = NULL)
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: container_identity(item->byte_size()*size, NULL, item, ienum), size(size)
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{}
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std::string getFullName(type_identity *item);
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int getSize() { return size; }
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virtual DFHack::identity_type type() { return DFHack::IDTYPE_BUFFER; }
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static buffer_container_identity base_instance;
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protected:
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virtual int item_count(void *ptr, CountMode) { return size; }
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virtual void *item_pointer(type_identity *item, void *ptr, int idx) {
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return ((uint8_t*)ptr) + idx * item->byte_size();
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}
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};
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template<class T>
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class stl_container_identity : public container_identity {
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const char *name;
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public:
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stl_container_identity(const char *name, type_identity *item, enum_identity *ienum = NULL)
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: container_identity(sizeof(T), &allocator_fn<T>, item, ienum), name(name)
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{}
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std::string getFullName(type_identity *item) {
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return name + container_identity::getFullName(item);
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}
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virtual bool resize(void *ptr, int size) {
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(*(T*)ptr).resize(size);
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return true;
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}
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virtual bool erase(void *ptr, int size) {
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auto &ct = *(T*)ptr;
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ct.erase(ct.begin()+size);
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return true;
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}
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virtual bool insert(void *ptr, int idx, void *item) {
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auto &ct = *(T*)ptr;
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ct.insert(ct.begin()+idx, *(typename T::value_type*)item);
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return true;
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}
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protected:
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virtual int item_count(void *ptr, CountMode) { return ((T*)ptr)->size(); }
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virtual void *item_pointer(type_identity *item, void *ptr, int idx) {
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return &(*(T*)ptr)[idx];
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}
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};
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class bit_array_identity : public bit_container_identity {
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public:
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/*
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* This class assumes that BitArray<T> is equivalent
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* in layout and behavior to BitArray<int> for any T.
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*/
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typedef BitArray<int> container;
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bit_array_identity(enum_identity *ienum = NULL)
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: bit_container_identity(sizeof(container), &allocator_fn<container>, ienum)
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{}
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std::string getFullName(type_identity *item) {
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return "BitArray<>";
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}
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virtual bool resize(void *ptr, int size) {
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((container*)ptr)->resize(size);
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return true;
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}
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protected:
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virtual int item_count(void *ptr, CountMode cnt) {
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return cnt == COUNT_LEN ? ((container*)ptr)->size * 8 : -1;
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}
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virtual bool get_item(void *ptr, int idx) {
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return ((container*)ptr)->is_set(idx);
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}
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virtual void set_item(void *ptr, int idx, bool val) {
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((container*)ptr)->set(idx, val);
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}
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};
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class stl_bit_vector_identity : public bit_container_identity {
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public:
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typedef std::vector<bool> container;
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stl_bit_vector_identity(enum_identity *ienum = NULL)
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: bit_container_identity(sizeof(container), &allocator_fn<container>, ienum)
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{}
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std::string getFullName(type_identity *item) {
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return "vector" + bit_container_identity::getFullName(item);
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}
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virtual bool resize(void *ptr, int size) {
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(*(container*)ptr).resize(size);
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return true;
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}
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protected:
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virtual int item_count(void *ptr, CountMode) {
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return ((container*)ptr)->size();
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}
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virtual bool get_item(void *ptr, int idx) {
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return (*(container*)ptr)[idx];
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}
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virtual void set_item(void *ptr, int idx, bool val) {
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(*(container*)ptr)[idx] = val;
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}
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};
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#define NUMBER_IDENTITY_TRAITS(type) \
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template<> struct identity_traits<type> { \
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static number_identity<type> identity; \
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static number_identity_base *get() { return &identity; } \
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};
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NUMBER_IDENTITY_TRAITS(char);
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NUMBER_IDENTITY_TRAITS(int8_t);
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NUMBER_IDENTITY_TRAITS(uint8_t);
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NUMBER_IDENTITY_TRAITS(int16_t);
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NUMBER_IDENTITY_TRAITS(uint16_t);
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NUMBER_IDENTITY_TRAITS(int32_t);
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NUMBER_IDENTITY_TRAITS(uint32_t);
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NUMBER_IDENTITY_TRAITS(int64_t);
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NUMBER_IDENTITY_TRAITS(uint64_t);
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NUMBER_IDENTITY_TRAITS(float);
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template<> struct identity_traits<bool> {
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static bool_identity identity;
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static bool_identity *get() { return &identity; }
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};
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template<> struct identity_traits<std::string> {
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static stl_string_identity identity;
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static stl_string_identity *get() { return &identity; }
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};
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template<> struct identity_traits<void*> {
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static pointer_identity identity;
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static pointer_identity *get() { return &identity; }
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};
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template<> struct identity_traits<std::vector<void*> > {
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static stl_ptr_vector_identity identity;
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static stl_ptr_vector_identity *get() { return &identity; }
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};
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template<> struct identity_traits<std::vector<bool> > {
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static stl_bit_vector_identity identity;
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static stl_bit_vector_identity *get() { return &identity; }
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};
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#undef NUMBER_IDENTITY_TRAITS
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// Container declarations
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template<class Enum, class FT> struct identity_traits<enum_field<Enum,FT> > {
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static primitive_identity *get();
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};
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template<class T> struct identity_traits<T *> {
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static pointer_identity *get();
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};
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template<class T, int sz> struct identity_traits<T [sz]> {
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static container_identity *get();
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};
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template<class T> struct identity_traits<std::vector<T> > {
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static container_identity *get();
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};
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template<class T> struct identity_traits<std::vector<T*> > {
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static stl_ptr_vector_identity *get();
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};
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template<class T> struct identity_traits<std::deque<T> > {
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static container_identity *get();
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};
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template<class T> struct identity_traits<BitArray<T> > {
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static bit_container_identity *get();
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};
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template<class T> struct identity_traits<DfArray<T> > {
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static container_identity *get();
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};
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// Container definitions
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template<class Enum, class FT>
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primitive_identity *identity_traits<enum_field<Enum,FT> >::get() {
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return identity_traits<FT>::get();
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}
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template<class T>
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pointer_identity *identity_traits<T *>::get() {
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static pointer_identity identity(identity_traits<T>::get());
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return &identity;
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}
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template<class T, int sz>
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container_identity *identity_traits<T [sz]>::get() {
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static buffer_container_identity identity(sz, identity_traits<T>::get());
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return &identity;
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}
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template<class T>
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container_identity *identity_traits<std::vector<T> >::get() {
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typedef std::vector<T> container;
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static stl_container_identity<container> identity("vector", identity_traits<T>::get());
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return &identity;
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}
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template<class T>
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stl_ptr_vector_identity *identity_traits<std::vector<T*> >::get() {
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static stl_ptr_vector_identity identity(identity_traits<T>::get());
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return &identity;
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}
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template<class T>
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container_identity *identity_traits<std::deque<T> >::get() {
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typedef std::deque<T> container;
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static stl_container_identity<container> identity("deque", identity_traits<T>::get());
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return &identity;
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}
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template<class T>
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bit_container_identity *identity_traits<BitArray<T> >::get() {
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static type_identity *eid = identity_traits<T>::get();
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static enum_identity *reid = eid->type() == DFHack::IDTYPE_ENUM ? (enum_identity*)eid : NULL;
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static bit_array_identity identity(reid);
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return &identity;
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}
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template<class T>
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container_identity *identity_traits<DfArray<T> >::get() {
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typedef DfArray<T> container;
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static stl_container_identity<container> identity("DfArray", identity_traits<T>::get());
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return &identity;
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}
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}
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