Mercurial > octave
view liboctave/util/action-container.h @ 22402:4caa7b28d183
maint: Style check C++ code in liboctave/
* Array-C.cc, Array-b.cc, Array-ch.cc, Array-d.cc, Array-f.cc, Array-fC.cc,
Array-i.cc, Array-idx-vec.cc, Array-s.cc, Array-str.cc, Array-util.cc,
Array-util.h, Array-voidp.cc, Array.cc, Array.h, CColVector.cc, CColVector.h,
CDiagMatrix.cc, CDiagMatrix.h, CMatrix.cc, CMatrix.h, CNDArray.cc, CNDArray.h,
CRowVector.cc, CRowVector.h, CSparse.cc, CSparse.h, DiagArray2.cc,
DiagArray2.h, MArray-C.cc, MArray-d.cc, MArray-f.cc, MArray-fC.cc, MArray-i.cc,
MArray-s.cc, MArray.cc, MArray.h, MDiagArray2.cc, MDiagArray2.h, MSparse-C.cc,
MSparse-d.cc, MSparse.cc, MSparse.h, Matrix.h, MatrixType.cc, MatrixType.h,
PermMatrix.cc, PermMatrix.h, Range.cc, Range.h, Sparse-C.cc, Sparse-b.cc,
Sparse-d.cc, Sparse.cc, Sparse.h, boolMatrix.cc, boolMatrix.h, boolNDArray.cc,
boolNDArray.h, boolSparse.cc, boolSparse.h, chMatrix.cc, chMatrix.h,
chNDArray.cc, chNDArray.h, dColVector.cc, dColVector.h, dDiagMatrix.cc,
dDiagMatrix.h, dMatrix.cc, dMatrix.h, dNDArray.cc, dNDArray.h, dRowVector.cc,
dRowVector.h, dSparse.cc, dSparse.h, dim-vector.cc, dim-vector.h,
fCColVector.cc, fCColVector.h, fCDiagMatrix.cc, fCDiagMatrix.h, fCMatrix.cc,
fCMatrix.h, fCNDArray.cc, fCNDArray.h, fCRowVector.cc, fCRowVector.h,
fColVector.cc, fColVector.h, fDiagMatrix.cc, fDiagMatrix.h, fMatrix.cc,
fMatrix.h, fNDArray.cc, fNDArray.h, fRowVector.cc, fRowVector.h, idx-vector.cc,
idx-vector.h, int16NDArray.cc, int16NDArray.h, int32NDArray.cc, int32NDArray.h,
int64NDArray.cc, int64NDArray.h, int8NDArray.cc, int8NDArray.h, intNDArray.cc,
intNDArray.h, uint16NDArray.cc, uint16NDArray.h, uint32NDArray.cc,
uint32NDArray.h, uint64NDArray.h, uint8NDArray.h, blaswrap.c, cquit.c,
f77-extern.cc, f77-fcn.c, f77-fcn.h, lo-error.c, lo-error.h, quit.cc, quit.h,
liboctave-build-info.h, liboctave-build-info.in.cc, CollocWt.cc, CollocWt.h,
DAE.h, DAEFunc.h, DAERT.h, DAERTFunc.h, DASPK.cc, DASPK.h, DASRT.cc, DASRT.h,
DASSL.cc, DASSL.h, DET.h, EIG.cc, EIG.h, LSODE.cc, LSODE.h, ODE.h, ODEFunc.h,
ODES.cc, ODES.h, ODESFunc.h, Quad.cc, Quad.h, aepbalance.cc, aepbalance.h,
base-dae.h, base-de.h, base-min.h, bsxfun-decl.h, bsxfun-defs.cc, bsxfun.h,
chol.cc, chol.h, eigs-base.cc, eigs-base.h, fEIG.cc, fEIG.h, gepbalance.cc,
gepbalance.h, gsvd.cc, gsvd.h, hess.cc, hess.h, lo-amos-proto.h,
lo-arpack-proto.h, lo-blas-proto.h, lo-fftpack-proto.h, lo-lapack-proto.h,
lo-mappers.cc, lo-mappers.h, lo-qrupdate-proto.h, lo-ranlib-proto.h,
lo-slatec-proto.h, lo-specfun.cc, lo-specfun.h, lu.cc, lu.h, oct-convn.cc,
oct-fftw.cc, oct-fftw.h, oct-norm.h, oct-rand.cc, oct-rand.h, oct-spparms.cc,
oct-spparms.h, qr.cc, qr.h, qrp.cc, qrp.h, randgamma.cc, randgamma.h,
randmtzig.cc, randmtzig.h, randpoisson.cc, randpoisson.h, schur.cc, schur.h,
sparse-chol.cc, sparse-chol.h, sparse-dmsolve.cc, sparse-dmsolve.h,
sparse-lu.cc, sparse-lu.h, sparse-qr.cc, sparse-qr.h, svd.cc, svd.h,
Sparse-diag-op-defs.h, Sparse-op-decls.h, Sparse-op-defs.h,
Sparse-perm-op-defs.h, mx-base.h, mx-defs.h, mx-ext.h, mx-inlines.cc,
mx-op-decl.h, mx-op-defs.h, child-list.cc, child-list.h, dir-ops.cc, dir-ops.h,
file-ops.cc, file-ops.h, file-stat.cc, file-stat.h, lo-sysdep.cc, lo-sysdep.h,
mach-info.cc, mach-info.h, oct-env.cc, oct-env.h, oct-group.cc, oct-group.h,
oct-passwd.cc, oct-passwd.h, oct-syscalls.cc, oct-time.cc, oct-time.h,
oct-uname.cc, oct-uname.h, action-container.h, base-list.h, byte-swap.h,
caseless-str.h, cmd-edit.cc, cmd-edit.h, cmd-hist.cc, cmd-hist.h, data-conv.cc,
data-conv.h, f2c-main.c, functor.h, glob-match.cc, glob-match.h, kpse.cc,
kpse.h, lo-array-errwarn.cc, lo-array-errwarn.h, lo-array-gripes.cc,
lo-array-gripes.h, lo-cutils.c, lo-cutils.h, lo-hash.cc, lo-hash.h, lo-ieee.cc,
lo-ieee.h, lo-macros.h, lo-math.h, lo-regexp.cc, lo-regexp.h, lo-traits.h,
lo-utils.cc, lo-utils.h, oct-alloc.h, oct-base64.cc, oct-binmap.h, oct-cmplx.h,
oct-glob.cc, oct-glob.h, oct-inttypes-fwd.h, oct-inttypes.cc, oct-inttypes.h,
oct-locbuf.cc, oct-mutex.cc, oct-mutex.h, oct-refcount.h, oct-rl-edit.c,
oct-rl-edit.h, oct-rl-hist.c, oct-rl-hist.h, oct-shlib.cc, oct-shlib.h,
oct-sort.cc, oct-sort.h, oct-sparse.h, oct-string.cc, oct-string.h,
pathsearch.cc, pathsearch.h, singleton-cleanup.cc, singleton-cleanup.h,
sparse-sort.cc, sparse-sort.h, sparse-util.cc, sparse-util.h, str-vec.cc,
str-vec.h, sun-utils.h, unwind-prot.cc, unwind-prot.h, url-transfer.cc,
url-transfer.h, areadlink-wrapper.c, areadlink-wrapper.h,
async-system-wrapper.c, async-system-wrapper.h, base64-wrappers.c,
base64-wrappers.h, canonicalize-file-name-wrapper.c,
canonicalize-file-name-wrapper.h, dirent-wrappers.c, dirent-wrappers.h,
fcntl-wrappers.c, fcntl-wrappers.h, filepos-wrappers.c, filepos-wrappers.h,
fpucw-wrappers.c, fpucw-wrappers.h, gen-tempname-wrapper.c,
gen-tempname-wrapper.h, getopt-wrapper.c, glob-wrappers.c, hash-wrappers.c,
hash-wrappers.h, math-wrappers.c, math-wrappers.h, mkostemp-wrapper.c,
mkostemp-wrapper.h, nanosleep-wrapper.c, nanosleep-wrapper.h, nproc-wrapper.c,
nproc-wrapper.h, octave-popen2.c, octave-popen2.h, putenv-wrapper.c,
putenv-wrapper.h, set-program-name-wrapper.c, set-program-name-wrapper.h,
signal-wrappers.c, signal-wrappers.h, stat-wrappers.c, stat-wrappers.h,
strdup-wrapper.c, strdup-wrapper.h, strftime-wrapper.c, strftime-wrapper.h,
strmode-wrapper.c, strmode-wrapper.h, strptime-wrapper.c, strptime-wrapper.h,
time-wrappers.c, time-wrappers.h, tmpfile-wrapper.c, tmpfile-wrapper.h,
uname-wrapper.c, uname-wrapper.h, unistd-wrappers.c, unistd-wrappers.h,
unsetenv-wrapper.c, unsetenv-wrapper.h, vasprintf-wrapper.c,
vasprintf-wrapper.h, wait-for-input.c, wait-for-input.h, wait-wrappers.c,
wait-wrappers.h:
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author | Rik <rik@octave.org> |
---|---|
date | Mon, 29 Aug 2016 11:09:25 -0700 |
parents | bac0d6f07a3e |
children | 3a2b891d0b33 e9a0469dedd9 |
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/* Copyright (C) 1993-2016 John W. Eaton Copyright (C) 2009-2010 VZLU Prague This file is part of Octave. Octave 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; either version 3 of the License, or (at your option) any later version. Octave 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 Octave; see the file COPYING. If not, see <http://www.gnu.org/licenses/>. */ #if ! defined (octave_action_container_h) #define octave_action_container_h 1 #include "octave-config.h" // This class allows registering actions in a list for later // execution, either explicitly or when the container goes out of // scope. // FIXME: is there a better name for this class? class action_container { public: // A generic unwind_protect element. Knows how to run itself and // discard itself. Also, contains a pointer to the next element. class elem { public: elem (void) { } virtual void run (void) { } virtual ~elem (void) { } friend class action_container; private: // No copying! elem (const elem&); elem& operator = (const elem&); }; // An element that merely runs a void (*)(void) function. class fcn_elem : public elem { public: fcn_elem (void (*fptr) (void)) : e_fptr (fptr) { } void run (void) { e_fptr (); } private: void (*e_fptr) (void); }; // An element that stores a variable of type T along with a void (*) (T) // function pointer, and calls the function with the parameter. template <typename T> class fcn_arg_elem : public elem { public: fcn_arg_elem (void (*fcn) (T), T arg) : e_fcn (fcn), e_arg (arg) { } void run (void) { e_fcn (e_arg); } private: // No copying! fcn_arg_elem (const fcn_arg_elem&); fcn_arg_elem& operator = (const fcn_arg_elem&); void (*e_fcn) (T); T e_arg; }; // An element that stores a variable of type T along with a // void (*) (const T&) function pointer, and calls the function with // the parameter. template <typename T> class fcn_crefarg_elem : public elem { public: fcn_crefarg_elem (void (*fcn) (const T&), const T& arg) : e_fcn (fcn), e_arg (arg) { } void run (void) { e_fcn (e_arg); } private: void (*e_fcn) (const T&); T e_arg; }; // An element for calling a member function. template <typename T> class method_elem : public elem { public: method_elem (T *obj, void (T::*method) (void)) : e_obj (obj), e_method (method) { } void run (void) { (e_obj->*e_method) (); } private: T *e_obj; void (T::*e_method) (void); // No copying! method_elem (const method_elem&); method_elem operator = (const method_elem&); }; // An element for calling a member function with a single argument template <typename T, typename A> class method_arg_elem : public elem { public: method_arg_elem (T *obj, void (T::*method) (A), A arg) : e_obj (obj), e_method (method), e_arg (arg) { } void run (void) { (e_obj->*e_method) (e_arg); } private: T *e_obj; void (T::*e_method) (A); A e_arg; // No copying! method_arg_elem (const method_arg_elem&); method_arg_elem operator = (const method_arg_elem&); }; // An element for calling a member function with a single argument template <typename T, typename A> class method_crefarg_elem : public elem { public: method_crefarg_elem (T *obj, void (T::*method) (const A&), const A& arg) : e_obj (obj), e_method (method), e_arg (arg) { } void run (void) { (e_obj->*e_method) (e_arg); } private: T *e_obj; void (T::*e_method) (const A&); A e_arg; // No copying! method_crefarg_elem (const method_crefarg_elem&); method_crefarg_elem operator = (const method_crefarg_elem&); }; // An element that stores arbitrary variable, and restores it. template <typename T> class restore_var_elem : public elem { public: restore_var_elem (T& ref, const T& val) : e_ptr (&ref), e_val (val) { } void run (void) { *e_ptr = e_val; } private: // No copying! restore_var_elem (const restore_var_elem&); restore_var_elem& operator = (const restore_var_elem&); T *e_ptr, e_val; }; // Deletes a class allocated using new. template <typename T> class delete_ptr_elem : public elem { public: delete_ptr_elem (T *ptr) : e_ptr (ptr) { } void run (void) { delete e_ptr; } private: T *e_ptr; // No copying! delete_ptr_elem (const delete_ptr_elem&); delete_ptr_elem operator = (const delete_ptr_elem&); }; action_container (void) { } virtual ~action_container (void) { } virtual void add (elem *new_elem) = 0; // Call to void func (void). void add_fcn (void (*fcn) (void)) { add (new fcn_elem (fcn)); } // Call to void func (T). template <typename T> void add_fcn (void (*action) (T), T val) { add (new fcn_arg_elem<T> (action, val)); } // Call to void func (const T&). template <typename T> void add_fcn (void (*action) (const T&), const T& val) { add (new fcn_crefarg_elem<T> (action, val)); } // Call to T::method (void). template <typename T> void add_method (T *obj, void (T::*method) (void)) { add (new method_elem<T> (obj, method)); } // Call to T::method (A). template <typename T, typename A> void add_method (T *obj, void (T::*method) (A), A arg) { add (new method_arg_elem<T, A> (obj, method, arg)); } // Call to T::method (const A&). template <typename T, typename A> void add_method (T *obj, void (T::*method) (const A&), const A& arg) { add (new method_crefarg_elem<T, A> (obj, method, arg)); } // Call to delete (T*). template <typename T> void add_delete (T *obj) { add (new delete_ptr_elem<T> (obj)); } // Protect any variable. template <typename T> void protect_var (T& var) { add (new restore_var_elem<T> (var, var)); } // Protect any variable, value given. template <typename T> void protect_var (T& var, const T& val) { add (new restore_var_elem<T> (var, val)); } operator bool (void) const { return ! empty (); } virtual void run_first (void) = 0; void run (size_t num) { if (num > size ()) num = size (); for (size_t i = 0; i < num; i++) run_first (); } void run (void) { run (size ()); } virtual void discard_first (void) = 0; void discard (size_t num) { if (num > size ()) num = size (); for (size_t i = 0; i < num; i++) discard_first (); } void discard (void) { discard (size ()); } virtual size_t size (void) const = 0; bool empty (void) const { return size () == 0; } private: // No copying! action_container (const action_container&); action_container& operator = (const action_container&); }; #endif