mirror of https://github.com/OpenTTD/OpenTTD.git
Codechange: Replace SmallPair with std::pair.
std::pair is already the smallest possible pair, and it already handles non-POD types correctly.
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7309bdec48
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f2b40f40aa
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@ -11,40 +11,26 @@
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#define SMALLMAP_TYPE_HPP
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#include "smallvec_type.hpp"
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#include <utility>
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/**
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* Simple pair of data. Both types have to be POD ("Plain Old Data")!
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* @tparam T Key type.
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* @tparam U Value type.
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*/
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template <typename T, typename U>
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struct SmallPair {
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T first;
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U second;
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/** Initializes this Pair with data */
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inline SmallPair(const T &first, const U &second) : first(first), second(second) { }
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SmallPair() = default;
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};
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/**
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* Implementation of simple mapping class. Both types have to be POD ("Plain Old Data")!
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* It has inherited accessors from SmallVector().
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* Implementation of simple mapping class.
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* It has inherited accessors from std::vector().
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* @tparam T Key type.
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* @tparam U Value type.
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* @tparam S Unit of allocation.
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*
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* @see SmallVector
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* @see std::vector
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*/
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template <typename T, typename U>
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struct SmallMap : std::vector<SmallPair<T, U> > {
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typedef ::SmallPair<T, U> Pair;
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struct SmallMap : std::vector<std::pair<T, U> > {
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typedef std::pair<T, U> Pair;
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typedef Pair *iterator;
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typedef const Pair *const_iterator;
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/** Creates new SmallMap. Data are initialized in SmallVector constructor */
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/** Creates new SmallMap. Data are initialized in std::vector constructor */
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inline SmallMap() { }
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/** Data are freed in SmallVector destructor */
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/** Data are freed in std::vector destructor */
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inline ~SmallMap() { }
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/**
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@ -211,7 +211,7 @@ protected:
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int req_size; ///< Requested font size.
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int used_size; ///< Used font size.
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typedef SmallMap<uint32, SmallPair<size_t, const void*> > FontTable; ///< Table with font table cache
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typedef SmallMap<uint32, std::pair<size_t, const void*> > FontTable; ///< Table with font table cache
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FontTable font_tables; ///< Cached font tables.
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/** Container for information about a glyph. */
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@ -434,7 +434,7 @@ const void *TrueTypeFontCache::GetFontTable(uint32 tag, size_t &length)
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const void *result = this->InternalGetFontTable(tag, length);
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this->font_tables.Insert(tag, SmallPair<size_t, const void *>(length, result));
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this->font_tables.Insert(tag, std::pair<size_t, const void *>(length, result));
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return result;
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}
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@ -17,6 +17,7 @@
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#include "../cargotype.h"
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#include "../date_func.h"
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#include "linkgraph_type.h"
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#include <utility>
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struct SaveLoad;
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class LinkGraph;
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@ -188,20 +189,20 @@ public:
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* to return something that implements operator->, but isn't a pointer
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* from operator->. A fake pointer.
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*/
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class FakePointer : public SmallPair<NodeID, Tedge_wrapper> {
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class FakePointer : public std::pair<NodeID, Tedge_wrapper> {
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public:
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/**
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* Construct a fake pointer from a pair of NodeID and edge.
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* @param pair Pair to be "pointed" to (in fact shallow-copied).
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*/
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FakePointer(const SmallPair<NodeID, Tedge_wrapper> &pair) : SmallPair<NodeID, Tedge_wrapper>(pair) {}
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FakePointer(const std::pair<NodeID, Tedge_wrapper> &pair) : std::pair<NodeID, Tedge_wrapper>(pair) {}
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/**
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* Retrieve the pair by operator->.
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* @return Pair being "pointed" to.
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*/
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SmallPair<NodeID, Tedge_wrapper> *operator->() { return this; }
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std::pair<NodeID, Tedge_wrapper> *operator->() { return this; }
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};
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public:
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@ -266,9 +267,9 @@ public:
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* Dereference with operator*.
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* @return Pair of current target NodeID and edge object.
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*/
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SmallPair<NodeID, Tedge_wrapper> operator*() const
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std::pair<NodeID, Tedge_wrapper> operator*() const
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{
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return SmallPair<NodeID, Tedge_wrapper>(this->current, Tedge_wrapper(this->base[this->current]));
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return std::pair<NodeID, Tedge_wrapper>(this->current, Tedge_wrapper(this->base[this->current]));
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}
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/**
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@ -160,9 +160,9 @@ public:
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* @return Pair of the edge currently pointed to and the ID of its
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* other end.
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*/
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SmallPair<NodeID, Edge> operator*() const
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std::pair<NodeID, Edge> operator*() const
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{
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return SmallPair<NodeID, Edge>(this->current, Edge(this->base[this->current], this->base_anno[this->current]));
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return std::pair<NodeID, Edge>(this->current, Edge(this->base[this->current], this->base_anno[this->current]));
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}
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/**
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@ -8113,7 +8113,7 @@ static bool ChangeGRFParamValueNames(ByteReader *buf)
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byte langid = buf->ReadByte();
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const char *name_string = buf->ReadString();
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SmallPair<uint32, GRFText *> *val_name = _cur_parameter->value_names.Find(id);
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std::pair<uint32, GRFText *> *val_name = _cur_parameter->value_names.Find(id);
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if (val_name != _cur_parameter->value_names.End()) {
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AddGRFTextToList(&val_name->second, langid, _cur.grfconfig->ident.grfid, false, name_string);
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} else {
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@ -262,7 +262,7 @@ GRFParameterInfo::GRFParameterInfo(GRFParameterInfo &info) :
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complete_labels(info.complete_labels)
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{
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for (uint i = 0; i < info.value_names.size(); i++) {
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SmallPair<uint32, GRFText *> *data = info.value_names.data() + i;
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std::pair<uint32, GRFText *> *data = info.value_names.data() + i;
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this->value_names.Insert(data->first, DuplicateGRFText(data->second));
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}
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}
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@ -273,7 +273,7 @@ GRFParameterInfo::~GRFParameterInfo()
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CleanUpGRFText(this->name);
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CleanUpGRFText(this->desc);
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for (uint i = 0; i < this->value_names.size(); i++) {
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SmallPair<uint32, GRFText *> *data = this->value_names.data() + i;
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std::pair<uint32, GRFText *> *data = this->value_names.data() + i;
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CleanUpGRFText(data->second);
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}
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}
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@ -804,7 +804,7 @@ GrfSpecFeature GetGrfSpecFeature(VehicleType type)
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/** Window used for aligning sprites. */
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struct SpriteAlignerWindow : Window {
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typedef SmallPair<int16, int16> XyOffs; ///< Pair for x and y offsets of the sprite before alignment. First value contains the x offset, second value y offset.
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typedef std::pair<int16, int16> XyOffs; ///< Pair for x and y offsets of the sprite before alignment. First value contains the x offset, second value y offset.
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SpriteID current_sprite; ///< The currently shown sprite.
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Scrollbar *vscroll;
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@ -196,7 +196,7 @@ struct UnmappedChoiceList : ZeroedMemoryAllocator {
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/** Clean everything up. */
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~UnmappedChoiceList()
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{
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for (SmallPair<byte, char *> p : this->strings) {
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for (std::pair<byte, char *> p : this->strings) {
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free(p.second);
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}
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}
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@ -2278,7 +2278,7 @@ void Vehicle::GetConsistFreeCapacities(SmallMap<CargoID, uint> &capacities) cons
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{
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for (const Vehicle *v = this; v != nullptr; v = v->Next()) {
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if (v->cargo_cap == 0) continue;
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SmallPair<CargoID, uint> *pair = capacities.Find(v->cargo_type);
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std::pair<CargoID, uint> *pair = capacities.Find(v->cargo_type);
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if (pair == capacities.End()) {
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capacities.push_back({v->cargo_type, v->cargo_cap - v->cargo.StoredCount()});
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} else {
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