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spanish (mexican): 1 change by absay
catalan: 1 change by J0anJosep
spanish (mexican): 1 change by absay
catalan: 1 change by J0anJosep
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* This file is part of OpenTTD.
* OpenTTD is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, version 2.
* OpenTTD 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 General Public License for more details. You should have received a copy of the GNU General Public License along with OpenTTD. If not, see <http://www.gnu.org/licenses/>.
*/
/** @file dbg_helpers.h Functions to be used for debug printings. */
#ifndef DBG_HELPERS_H
#define DBG_HELPERS_H
#include <map>
#include <stack>
#include <string>
#include "../direction_type.h"
#include "../signal_type.h"
#include "../tile_type.h"
#include "../track_type.h"
/** Helper template class that provides C array length and item type */
template <typename T> struct ArrayT;
/** Helper template class that provides C array length and item type */
template <typename T, size_t N> struct ArrayT<T[N]> {
static const size_t length = N;
typedef T item_t;
};
/**
* Helper template function that returns item of array at given index
* or t_unk when index is out of bounds.
*/
template <typename E, typename T>
inline typename ArrayT<T>::item_t ItemAtT(E idx, const T &t, typename ArrayT<T>::item_t t_unk)
{
if ((size_t)idx >= ArrayT<T>::length) {
return t_unk;
}
return t[idx];
}
/**
* Helper template function that returns item of array at given index
* or t_inv when index == idx_inv
* or t_unk when index is out of bounds.
*/
template <typename E, typename T>
inline typename ArrayT<T>::item_t ItemAtT(E idx, const T &t, typename ArrayT<T>::item_t t_unk, E idx_inv, typename ArrayT<T>::item_t t_inv)
{
if ((size_t)idx < ArrayT<T>::length) {
return t[idx];
}
if (idx == idx_inv) {
return t_inv;
}
return t_unk;
}
/**
* Helper template function that returns compound bitfield name that is
* concatenation of names of each set bit in the given value
* or t_inv when index == idx_inv
* or t_unk when index is out of bounds.
*/
template <typename E, typename T>
inline std::string ComposeNameT(E value, T &t, const char *t_unk, E val_inv, const char *name_inv)
{
std::string out;
if (value == val_inv) {
out = name_inv;
} else if (value == 0) {
out = "<none>";
} else {
for (size_t i = 0; i < ArrayT<T>::length; i++) {
if ((value & (1 << i)) == 0) continue;
out += (!out.empty() ? "+" : "");
out += t[i];
value &= ~(E)(1 << i);
}
if (value != 0) {
out += (!out.empty() ? "+" : "");
out += t_unk;
}
}
return out;
}
std::string ValueStr(Trackdir td);
std::string ValueStr(TrackdirBits td_bits);
std::string ValueStr(DiagDirection dd);
std::string ValueStr(SignalType t);
/** Class that represents the dump-into-string target. */
struct DumpTarget {
/** Used as a key into map of known object instances. */
struct KnownStructKey {
size_t m_type_id;
const void *m_ptr;
KnownStructKey(size_t type_id, const void *ptr)
: m_type_id(type_id)
, m_ptr(ptr)
{}
bool operator<(const KnownStructKey &other) const
{
if ((size_t)m_ptr < (size_t)other.m_ptr) return true;
if ((size_t)m_ptr > (size_t)other.m_ptr) return false;
if (m_type_id < other.m_type_id) return true;
return false;
}
};
typedef std::map<KnownStructKey, std::string> KNOWN_NAMES;
std::string m_out; ///< the output string
int m_indent; ///< current indent/nesting level
std::stack<std::string> m_cur_struct; ///< here we will track the current structure name
KNOWN_NAMES m_known_names; ///< map of known object instances and their structured names
DumpTarget()
: m_indent(0)
{}
static size_t& LastTypeId();
std::string GetCurrentStructName();
bool FindKnownName(size_t type_id, const void *ptr, std::string &name);
void WriteIndent();
void WriteValue(const char *name, int value);
void WriteValue(const char *name, const char *value_str);
void WriteTile(const char *name, TileIndex t);
/** Dump given enum value (as a number and as named value) */
template <typename E> void WriteEnumT(const char *name, E e)
{
WriteValue(name, ValueStr(e).c_str());
}
void BeginStruct(size_t type_id, const char *name, const void *ptr);
void EndStruct();
/** Dump nested object (or only its name if this instance is already known). */
template <typename S> void WriteStructT(const char *name, const S *s)
{
static size_t type_id = ++LastTypeId();
if (s == nullptr) {
/* No need to dump nullptr struct. */
WriteValue(name, "<null>");
return;
}
std::string known_as;
if (FindKnownName(type_id, s, known_as)) {
/* We already know this one, no need to dump it. */
std::string known_as_str = std::string("known_as.") + name;
WriteValue(name, known_as_str.c_str());
} else {
/* Still unknown, dump it */
BeginStruct(type_id, name, s);
s->Dump(*this);
EndStruct();
}
}
};
#endif /* DBG_HELPERS_H */
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