Mercurial > hg > octave-terminal
changeset 10751:717ba2c3eef1
rewrite cell2struct, 1 failing test
author | Jaroslav Hajek <highegg@gmail.com> |
---|---|
date | Fri, 25 Jun 2010 08:45:22 +0200 |
parents | f75e827649a5 |
children | d1b09c44d797 |
files | src/ChangeLog src/ov-struct.cc |
diffstat | 2 files changed, 33 insertions(+), 204 deletions(-) [+] |
line wrap: on
line diff
--- a/src/ChangeLog +++ b/src/ChangeLog @@ -1,3 +1,7 @@ +2010-06-25 Jaroslav Hajek <highegg@gmail.com> + + * ov-struct.cc (Fcell2struct): Rewrite. + 2010-06-24 Jaroslav Hajek <highegg@gmail.com> * oct-map.h (octave_map, octave_scalar_map): New classes.
--- a/src/ov-struct.cc +++ b/src/ov-struct.cc @@ -1991,67 +1991,6 @@ */ -// Check that the dimensions of the input arguments are correct. - -static bool -cell2struct_check_args (const dim_vector& c_dv, const dim_vector& f_dv, - bool is_cell, int dim) -{ - bool retval = true; - - if (dim >= 0 && dim < c_dv.length ()) - { - if (is_cell) - { - if (f_dv.numel () != c_dv(dim)) - { - error ("cell2struct: numel (FIELD) != size (CELL, DIM)"); - - retval = false; - } - } - else - { - if (f_dv.length () > 2) - { - error ("cell2struct: field array must be a 2-d matrix"); - - retval = false; - } - else if (f_dv(0) != c_dv(dim)) - { - error ("cell2struct: size (FIELD, 1) != length (C, DIM)"); - - retval = false; - } - } - } - else - { - error ("cell2struct: DIM out of range"); - - retval = false; - } - - return retval; -} - -static void -cell2struct_construct_idx (Array<octave_idx_type>& ra_idx1, - const Array<octave_idx_type>& ra_idx2, - octave_idx_type dim, octave_idx_type fill_value) -{ - octave_idx_type iidx = 0; - - for (octave_idx_type idx = 0; idx < ra_idx1.length (); idx++) - { - if (idx == dim) - ra_idx1.elem (idx) = fill_value; - else - ra_idx1.elem (idx) = ra_idx2(iidx++); - } -} - DEFUN (cell2struct, args, , "-*- texinfo -*-\n\ @deftypefn {Built-in Function} {} cell2struct (@var{cell}, @var{fields}, @var{dim})\n\ @@ -2079,158 +2018,44 @@ if (args.length () == 3) { - Cell c = args(0).cell_value (); - - if (! error_state) + if (! args(0).is_cell ()) + error ("cell2struct: first argument must be a cell"); + else if (! (args(1).is_cellstr () || args(1).is_char_matrix ())) + error ("cell2struct: second argument must be a cell array of strings or a character matrix"); + else if (! args(2).is_real_scalar ()) + error ("cell2struct: third argument must be a real scalar"); + else { - octave_value field = args(1); - - // Field is either cell or character matrix. + const Cell vals = args(0).cell_value (); + const Array<std::string> fields = args(1).cellstr_value (); + int dim = args(2).int_value () - 1; + octave_idx_type ext = 0; + + if (dim < 0) + error ("cell2struct: dim must be a valid dimension"); + else + { + ext = vals.ndims () > dim ? vals.dims ()(dim) : 1; + if (ext != fields.numel ()) + error ("cell2struct: number of fields doesn't match dimension"); + } - // FIXME -- this could be simplified if we had - // cellstr and iscellstr functions available. - - bool field_is_cell = field.is_cell (); - - Cell field_cell; - charMatrix field_char; - - if (field_is_cell) - field_cell = field.cell_value (); - else - field_char = field.char_matrix_value (); if (! error_state) { - // Retrieve the dimension value. - - // FIXME -- int_value () should print out the - // conversions it does to be Matlab compatible. - - octave_idx_type dim = args(2).int_value () - 1; - - if (! error_state) - { - dim_vector c_dv = c.dims (); - dim_vector field_dv = field.dims (); - - if (cell2struct_check_args (c_dv, field_dv, field_is_cell, - dim)) - { - octave_idx_type c_dv_length = c_dv.length (); - - // Dimension vector for the Cell arrays to be - // put into the structure. - - dim_vector value_dv; - - // Initialize c_value_dv. - - if (c_dv_length == 2) - value_dv = dim_vector (1, 1); - else - value_dv.resize (c_dv_length - 1); - - octave_idx_type idx_tmp = 0; - - for (octave_idx_type i = 0; i < c_dv_length; i++) - { - if (i != dim) - value_dv.elem (idx_tmp++) = c_dv.elem (i); - } - - // All initializing is done, we can start moving - // values. - - octave_map map; - - // If field is a cell array then we use all - // elements in array, on the other hand when - // field is a character array the number of - // elements is equals the number of rows. - - octave_idx_type field_numel - = field_is_cell ? field_dv.numel (): field_dv(0); - - // For matlab compatibility. - - if (field_numel == 0) - map.reshape (dim_vector (0, 1)); - - for (octave_idx_type i = 0; i < field_numel; i++) - { - // Construct cell array which goes into the - // structure together with the appropriate - // field name. - - Cell c_value (value_dv); + octave_map map; + Array<idx_vector> ia (std::max (dim+1, vals.ndims ()), 1, + idx_vector::colon); - Array<octave_idx_type> value_idx (value_dv.length (), 1, 0); - Array<octave_idx_type> c_idx (c_dv_length, 1, 0); - - for (octave_idx_type j = 0; j < value_dv.numel (); j++) - { - // Need to do this to construct the - // appropriate idx for getting elements - // from the original cell array. - - cell2struct_construct_idx (c_idx, value_idx, - dim, i); - - c_value.elem (value_idx) = c.elem (c_idx); - - increment_index (value_idx, value_dv); - } - - std::string field_str; - - if (field_is_cell) - { - // Matlab retrieves the field values - // column by column. - - octave_value field_tmp = field_cell.elem (i); - - field_str = field_tmp.string_value (); + for (octave_idx_type i = 0; i < ext; i++) + { + ia(dim) = i; + map.setfield (fields(i), vals.index (ia)); + } - if (error_state) - { - error ("cell2struct: fields have to be of type string"); - break; - } - } - else - { - field_str = field_char.row_as_string (i); - - if (error_state) - return retval; - } - - if (! valid_identifier (field_str)) - { - error ("cell2struct: invalid field name `%s'", - field_str.c_str ()); - break; - } - - map.reshape (value_dv); - - map.setfield (field_str, c_value); - } - - if (! error_state) - retval = map; - } - } - else - error ("cell2struct: expecting third argument to be an integer"); + retval = map; } - else - error ("cell2struct: expecting second argument to be a cell or character array"); } - else - error ("cell2struct: expecting first argument to be a cell array"); } else print_usage ();