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46 lines
1.3 KiB
C++
46 lines
1.3 KiB
C++
#ifndef MXATOMIDCOUNTER_H
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#define MXATOMIDCOUNTER_H
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#include "mxstl/stlcompat.h"
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#include "mxstring.h"
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// Counts the number of existing MxAtomId objects based
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// on the matching char* string. A <map> seems fit for purpose here:
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// We have an MxString as a key and MxU16 as the value.
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// And yet a <set> is the best match. The malloc in MxOmni::Create
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// for the _Nil node asks for more bytes than a regular node if a <map>
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// is used, but all nodes are 20 bytes wide with a <set>.
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// Also: the increment/decrement methods suggest a custom type was used
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// for the combined key_value_pair, which doesn't seem possible with <map>.
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// SIZE 0x14
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class MxAtomIdCounter {
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public:
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// always inlined
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MxAtomIdCounter(const char* p_str)
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{
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m_key = p_str;
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m_value = 0;
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}
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void Inc();
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void Dec();
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inline MxString* GetKey() { return &m_key; };
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inline MxU16 GetValue() { return m_value; };
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private:
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MxString m_key;
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MxU16 m_value;
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};
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struct MxAtomIdCounterCompare {
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// FUNCTION: LEGO1 0x100ad120
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int operator()(MxAtomIdCounter* const& p_val0, MxAtomIdCounter* const& p_val1) const
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{
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return strcmp(p_val0->GetKey()->GetData(), p_val1->GetKey()->GetData()) > 0;
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}
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};
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class MxAtomIdCounterSet : public set<MxAtomIdCounter*, MxAtomIdCounterCompare> {};
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#endif // MXATOMIDCOUNTER_H
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