mirror of
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5afbd505ef
Summary: Clean up the include guards to be more consistent and unique. Some files used include guards like "KEY_H" and "STORE_H" which were not very unique, and are more likely to collide with definitions provided by header files from other projects. Some of the py-*.h files were missing include guards altogether. This corresponds to Facebook diff D5588670. Test Plan: Confirmed the code still builds and passes tests. Reviewers: #fbhgext, quark Reviewed By: #fbhgext, quark Differential Revision: https://phab.mercurial-scm.org/D508
130 lines
3.2 KiB
C++
130 lines
3.2 KiB
C++
// Copyright (c) 2004-present, Facebook, Inc.
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// All Rights Reserved.
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//
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// This software may be used and distributed according to the terms of the
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// GNU General Public License version 2 or any later version.
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// pythonutil.h - utilities to glue C++ code to python
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// no-check-code
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#ifndef FBHGEXT_CSTORE_PYTHONUTIL_H
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#define FBHGEXT_CSTORE_PYTHONUTIL_H
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// The PY_SSIZE_T_CLEAN define must be defined before the Python.h include,
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// as per the documentation.
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#define PY_SSIZE_T_CLEAN
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#include <Python.h>
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#include <exception>
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// Py_BuildValue treats NULL as NONE, so we have to have a non-null pointer.
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#define MAGIC_EMPTY_STRING ""
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#include "cstore/key.h"
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#include "cstore/match.h"
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#include "cstore/store.h"
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#include "ctreemanifest/treemanifest.h"
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/**
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* C++ exception that represents an issue at the python C api level.
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* When this is thrown, it's assumed that the python error message has been set
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* and that the catcher of the exception should just return an error code value
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* to the python API.
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*/
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class pyexception : public std::exception {
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public:
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pyexception() {
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}
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};
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/**
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* Wrapper class for PyObject pointers.
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* It is responsible for managing the Py_INCREF and Py_DECREF calls.
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*/
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class PythonObj {
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private:
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PyObject *obj;
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public:
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PythonObj();
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PythonObj(PyObject *obj);
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PythonObj(const PythonObj& other);
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~PythonObj();
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PythonObj& operator=(const PythonObj &other);
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operator PyObject* () const;
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operator bool() const;
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/**
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* Function used to obtain a return value that will persist beyond the life
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* of the PythonObj. This is useful for returning objects to Python C apis
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* and letting them manage the remaining lifetime of the object.
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*/
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PyObject *returnval();
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/**
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* Invokes getattr to retrieve the attribute from the python object.
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*/
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PythonObj getattr(const char *name);
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/**
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* Executes the current callable object if it's callable.
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*/
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PythonObj call(const PythonObj &args);
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/**
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* Invokes the specified method on this instance.
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*/
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PythonObj callmethod(const char *name, const PythonObj &args);
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};
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class PythonStore : public Store {
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private:
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PythonObj _get;
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PythonObj _storeObj;
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public:
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PythonStore(PythonObj store);
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PythonStore(const PythonStore &store);
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virtual ~PythonStore() {}
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ConstantStringRef get(const Key &key);
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};
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class PythonMatcher : public Matcher {
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private:
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PythonObj _matcherObj;
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public:
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PythonMatcher(PythonObj matcher) :
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_matcherObj(matcher) {}
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virtual ~PythonMatcher() {}
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bool matches(const std::string &path);
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bool matches(const char *path, const size_t pathlen);
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bool visitdir(const std::string &path);
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};
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class PythonDiffResult : public DiffResult {
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private:
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PythonObj _diff;
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public:
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PythonDiffResult(PythonObj diff) :
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_diff(diff) {
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}
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virtual void add(const std::string &path,
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const char *beforeNode, const char *beforeFlag,
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const char *afterNode, const char *afterFlag);
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virtual void addclean(const std::string &path);
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PythonObj getDiff() {
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return this->_diff;
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}
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};
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#endif // FBHGEXT_CSTORE_PYTHONUTIL_H
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