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https://github.com/schrodinger/pymol-open-source.git
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dc2aff4133
- Use proper doxygen syntax for all function comments - ObjectMoleculeUpdateNeighbors allow const argument - Remove obsolete ObjectMolecule::BondCounter
59 lines
1.6 KiB
C
59 lines
1.6 KiB
C
/*
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* This file contains source code for the PyMOL computer program
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* Copyright (c) Schrodinger, LLC.
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*
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* Handling of "interned" strings in PyMOLGlobals::Lexicon
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*/
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#pragma once
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#include "PyMOLGlobals.h"
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#include "OVLexicon.h"
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#include "pymol/zstring_view.h"
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#define LexDec(G, i) OVLexicon_DecRef(G->Lexicon, i)
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#define LexInc(G, i) OVLexicon_IncRef(G->Lexicon, i)
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#define LexNumeric(i) (i)
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/**
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* Get the pointer to the internal string storage for reference `i`.
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*/
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inline const char * LexStr(PyMOLGlobals * G, const lexidx_t & i) {
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return (i) ? OVLexicon_FetchCString(G->Lexicon, i) : "";
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}
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/**
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* Lookup or insert new string `s` into the global lexicon and return
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* it's numerical reference. Will always return 0 for the empty string.
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*/
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inline lexidx_t LexIdx(PyMOLGlobals * G, pymol::zstring_view s) {
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return s && !s.empty() ? OVLexicon_GetFromCString(G->Lexicon, s.c_str()).word : 0;
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}
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/**
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* Assignment (i = j) with reference count update for old and new value.
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*/
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inline void LexAssign(PyMOLGlobals * G, lexidx_t& i, const lexidx_t& j) {
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if (i != j) {
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LexDec(G, i);
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i = j;
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LexInc(G, i);
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}
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}
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inline void LexAssign(PyMOLGlobals * G, lexidx_t& i, const char * s) {
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LexDec(G, i);
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i = LexIdx(G, s);
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}
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#define LEX_BORROW_NOTFOUND -1
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/**
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* Lookup string `s` without inserting or incrementing the ref count. If
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* `s` is not in the lexicon, return -1.
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*/
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inline lexidx_t LexBorrow(PyMOLGlobals * G, const char * s) {
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auto result = OVLexicon_BorrowFromCString(G->Lexicon, s);
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return (result.status == OVstatus_SUCCESS) ? result.word : LEX_BORROW_NOTFOUND;
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}
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