Mercurial > hg > octave-lyh

annotate src/DLD-FUNCTIONS/strfind.cc @ 10521:4d1fc073fbb7

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
add some missing copyright stmts
author Jaroslav Hajek <highegg@gmail.com>
date Wed, 14 Apr 2010 12:23:13 +0200
parents e317791645c4
children 21defab4207c
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
10022
a14dc255427f omitted file in last patch
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
1 /*
a14dc255427f omitted file in last patch
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
2
a14dc255427f omitted file in last patch
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
3 Copyright (C) 2009 Jaroslav Hajek
10521
4d1fc073fbb7 add some missing copyright stmts
Jaroslav Hajek <highegg@gmail.com>
parents: 10258
diff changeset
4 Copyright (C) 2009, 2010 VZLU Prague
10022
a14dc255427f omitted file in last patch
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
5
a14dc255427f omitted file in last patch
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
6 This file is part of Octave.
a14dc255427f omitted file in last patch
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
7
a14dc255427f omitted file in last patch
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
8 Octave is free software; you can redistribute it and/or modify it
a14dc255427f omitted file in last patch
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
9 under the terms of the GNU General Public License as published by the
a14dc255427f omitted file in last patch
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
10 Free Software Foundation; either version 3 of the License, or (at your
a14dc255427f omitted file in last patch
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
11 option) any later version.
a14dc255427f omitted file in last patch
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
12
a14dc255427f omitted file in last patch
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
13 Octave is distributed in the hope that it will be useful, but WITHOUT
a14dc255427f omitted file in last patch
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
14 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
a14dc255427f omitted file in last patch
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
15 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
a14dc255427f omitted file in last patch
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
16 for more details.
a14dc255427f omitted file in last patch
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
17
a14dc255427f omitted file in last patch
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
18 You should have received a copy of the GNU General Public License
a14dc255427f omitted file in last patch
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
19 along with Octave; see the file COPYING. If not, see
a14dc255427f omitted file in last patch
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
20 <http://www.gnu.org/licenses/>.
a14dc255427f omitted file in last patch
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
21
a14dc255427f omitted file in last patch
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
22 */
a14dc255427f omitted file in last patch
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
23
a14dc255427f omitted file in last patch
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
24 #ifdef HAVE_CONFIG_H
a14dc255427f omitted file in last patch
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
25 #include <config.h>
a14dc255427f omitted file in last patch
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
26 #endif
a14dc255427f omitted file in last patch
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
27
a14dc255427f omitted file in last patch
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
28 #include <string>
a14dc255427f omitted file in last patch
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
29 #include <climits>
a14dc255427f omitted file in last patch
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
30 #include <algorithm>
10053
830986c43dee implement compiled strrep
Jaroslav Hajek <highegg@gmail.com>
parents: 10022
diff changeset
31 #include <deque>
10022
a14dc255427f omitted file in last patch
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
32
a14dc255427f omitted file in last patch
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
33 #include "Cell.h"
a14dc255427f omitted file in last patch
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
34 #include "ov.h"
a14dc255427f omitted file in last patch
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
35 #include "defun-dld.h"
a14dc255427f omitted file in last patch
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
36 #include "unwind-prot.h"
a14dc255427f omitted file in last patch
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
37 #include "gripes.h"
a14dc255427f omitted file in last patch
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
38 #include "utils.h"
a14dc255427f omitted file in last patch
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
39
a14dc255427f omitted file in last patch
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
40 // This allows safe indexing with char. In C++, char may be (and often is) signed!
a14dc255427f omitted file in last patch
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
41 #define ORD(ch) static_cast<unsigned char>(ch)
10074
5e2b4b7967cc allow array of strings in strrep
Jaroslav Hajek <highegg@gmail.com>
parents: 10053
diff changeset
42 #define TABSIZE (UCHAR_MAX + 1)
10022
a14dc255427f omitted file in last patch
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
43
a14dc255427f omitted file in last patch
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
44 // This is the quick search algorithm, as described at
a14dc255427f omitted file in last patch
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
45 // http://www-igm.univ-mlv.fr/~lecroq/string/node19.html
a14dc255427f omitted file in last patch
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
46 static void
a14dc255427f omitted file in last patch
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
47 qs_preprocess (const Array<char>& needle,
10074
5e2b4b7967cc allow array of strings in strrep
Jaroslav Hajek <highegg@gmail.com>
parents: 10053
diff changeset
48 octave_idx_type table[TABSIZE])
10022
a14dc255427f omitted file in last patch
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
49 {
a14dc255427f omitted file in last patch
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
50 const char *x = needle.data ();
a14dc255427f omitted file in last patch
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
51 octave_idx_type m = needle.numel ();
a14dc255427f omitted file in last patch
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
52
a14dc255427f omitted file in last patch
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
53 for (octave_idx_type i = 0; i < UCHAR_MAX; i++)
a14dc255427f omitted file in last patch
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
54 table[i] = m + 1;
a14dc255427f omitted file in last patch
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
55 for (octave_idx_type i = 0; i < m; i++)
a14dc255427f omitted file in last patch
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
56 table[ORD(x[i])] = m - i;
a14dc255427f omitted file in last patch
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
57 }
a14dc255427f omitted file in last patch
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
58
a14dc255427f omitted file in last patch
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
59
10053
830986c43dee implement compiled strrep
Jaroslav Hajek <highegg@gmail.com>
parents: 10022
diff changeset
60 static Array<octave_idx_type>
10022
a14dc255427f omitted file in last patch
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
61 qs_search (const Array<char>& needle,
a14dc255427f omitted file in last patch
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
62 const Array<char>& haystack,
10074
5e2b4b7967cc allow array of strings in strrep
Jaroslav Hajek <highegg@gmail.com>
parents: 10053
diff changeset
63 const octave_idx_type table[TABSIZE],
10053
830986c43dee implement compiled strrep
Jaroslav Hajek <highegg@gmail.com>
parents: 10022
diff changeset
64 bool overlaps = true)
10022
a14dc255427f omitted file in last patch
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
65 {
a14dc255427f omitted file in last patch
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
66 const char *x = needle.data ();
a14dc255427f omitted file in last patch
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
67 octave_idx_type m = needle.numel ();
a14dc255427f omitted file in last patch
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
68 const char *y = haystack.data ();
a14dc255427f omitted file in last patch
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
69 octave_idx_type n = haystack.numel ();
a14dc255427f omitted file in last patch
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
70
10053
830986c43dee implement compiled strrep
Jaroslav Hajek <highegg@gmail.com>
parents: 10022
diff changeset
71 // We'll use deque because it typically has the most favorable properties for
830986c43dee implement compiled strrep
Jaroslav Hajek <highegg@gmail.com>
parents: 10022
diff changeset
72 // the operation we need.
830986c43dee implement compiled strrep
Jaroslav Hajek <highegg@gmail.com>
parents: 10022
diff changeset
73 std::deque<octave_idx_type> accum;
10133
2e4fc7fdba15 optimize strfind with 1 or 2 characters
Jaroslav Hajek <highegg@gmail.com>
parents: 10086
diff changeset
74 if (m == 1)
2e4fc7fdba15 optimize strfind with 1 or 2 characters
Jaroslav Hajek <highegg@gmail.com>
parents: 10086
diff changeset
75 {
2e4fc7fdba15 optimize strfind with 1 or 2 characters
Jaroslav Hajek <highegg@gmail.com>
parents: 10086
diff changeset
76 // Looking for a single character.
2e4fc7fdba15 optimize strfind with 1 or 2 characters
Jaroslav Hajek <highegg@gmail.com>
parents: 10086
diff changeset
77 for (octave_idx_type i = 0; i < n; i++)
2e4fc7fdba15 optimize strfind with 1 or 2 characters
Jaroslav Hajek <highegg@gmail.com>
parents: 10086
diff changeset
78 {
2e4fc7fdba15 optimize strfind with 1 or 2 characters
Jaroslav Hajek <highegg@gmail.com>
parents: 10086
diff changeset
79 if (y[i] == x[0])
2e4fc7fdba15 optimize strfind with 1 or 2 characters
Jaroslav Hajek <highegg@gmail.com>
parents: 10086
diff changeset
80 accum.push_back (i);
2e4fc7fdba15 optimize strfind with 1 or 2 characters
Jaroslav Hajek <highegg@gmail.com>
parents: 10086
diff changeset
81 }
2e4fc7fdba15 optimize strfind with 1 or 2 characters
Jaroslav Hajek <highegg@gmail.com>
parents: 10086
diff changeset
82 }
2e4fc7fdba15 optimize strfind with 1 or 2 characters
Jaroslav Hajek <highegg@gmail.com>
parents: 10086
diff changeset
83 else if (m == 2)
10022
a14dc255427f omitted file in last patch
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
84 {
10133
2e4fc7fdba15 optimize strfind with 1 or 2 characters
Jaroslav Hajek <highegg@gmail.com>
parents: 10086
diff changeset
85 // Two characters.
2e4fc7fdba15 optimize strfind with 1 or 2 characters
Jaroslav Hajek <highegg@gmail.com>
parents: 10086
diff changeset
86 if (overlaps)
2e4fc7fdba15 optimize strfind with 1 or 2 characters
Jaroslav Hajek <highegg@gmail.com>
parents: 10086
diff changeset
87 {
2e4fc7fdba15 optimize strfind with 1 or 2 characters
Jaroslav Hajek <highegg@gmail.com>
parents: 10086
diff changeset
88 for (octave_idx_type i = 0; i < n-1; i++)
2e4fc7fdba15 optimize strfind with 1 or 2 characters
Jaroslav Hajek <highegg@gmail.com>
parents: 10086
diff changeset
89 {
2e4fc7fdba15 optimize strfind with 1 or 2 characters
Jaroslav Hajek <highegg@gmail.com>
parents: 10086
diff changeset
90 if (y[i] == x[0] && y[i+1] == x[1])
2e4fc7fdba15 optimize strfind with 1 or 2 characters
Jaroslav Hajek <highegg@gmail.com>
parents: 10086
diff changeset
91 accum.push_back (i);
2e4fc7fdba15 optimize strfind with 1 or 2 characters
Jaroslav Hajek <highegg@gmail.com>
parents: 10086
diff changeset
92 }
2e4fc7fdba15 optimize strfind with 1 or 2 characters
Jaroslav Hajek <highegg@gmail.com>
parents: 10086
diff changeset
93 }
2e4fc7fdba15 optimize strfind with 1 or 2 characters
Jaroslav Hajek <highegg@gmail.com>
parents: 10086
diff changeset
94 else
2e4fc7fdba15 optimize strfind with 1 or 2 characters
Jaroslav Hajek <highegg@gmail.com>
parents: 10086
diff changeset
95 {
2e4fc7fdba15 optimize strfind with 1 or 2 characters
Jaroslav Hajek <highegg@gmail.com>
parents: 10086
diff changeset
96 for (octave_idx_type i = 0; i < n-1; i++)
2e4fc7fdba15 optimize strfind with 1 or 2 characters
Jaroslav Hajek <highegg@gmail.com>
parents: 10086
diff changeset
97 {
2e4fc7fdba15 optimize strfind with 1 or 2 characters
Jaroslav Hajek <highegg@gmail.com>
parents: 10086
diff changeset
98 if (y[i] == x[0] && y[i+1] == x[1])
2e4fc7fdba15 optimize strfind with 1 or 2 characters
Jaroslav Hajek <highegg@gmail.com>
parents: 10086
diff changeset
99 accum.push_back (i++);
2e4fc7fdba15 optimize strfind with 1 or 2 characters
Jaroslav Hajek <highegg@gmail.com>
parents: 10086
diff changeset
100 }
2e4fc7fdba15 optimize strfind with 1 or 2 characters
Jaroslav Hajek <highegg@gmail.com>
parents: 10086
diff changeset
101 }
2e4fc7fdba15 optimize strfind with 1 or 2 characters
Jaroslav Hajek <highegg@gmail.com>
parents: 10086
diff changeset
102 }
2e4fc7fdba15 optimize strfind with 1 or 2 characters
Jaroslav Hajek <highegg@gmail.com>
parents: 10086
diff changeset
103 else if (n >= m)
2e4fc7fdba15 optimize strfind with 1 or 2 characters
Jaroslav Hajek <highegg@gmail.com>
parents: 10086
diff changeset
104 {
2e4fc7fdba15 optimize strfind with 1 or 2 characters
Jaroslav Hajek <highegg@gmail.com>
parents: 10086
diff changeset
105 // General case.
10022
a14dc255427f omitted file in last patch
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
106 octave_idx_type j = 0;
a14dc255427f omitted file in last patch
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
107
10053
830986c43dee implement compiled strrep
Jaroslav Hajek <highegg@gmail.com>
parents: 10022
diff changeset
108 if (overlaps)
830986c43dee implement compiled strrep
Jaroslav Hajek <highegg@gmail.com>
parents: 10022
diff changeset
109 {
830986c43dee implement compiled strrep
Jaroslav Hajek <highegg@gmail.com>
parents: 10022
diff changeset
110 while (j < n - m)
830986c43dee implement compiled strrep
Jaroslav Hajek <highegg@gmail.com>
parents: 10022
diff changeset
111 {
830986c43dee implement compiled strrep
Jaroslav Hajek <highegg@gmail.com>
parents: 10022
diff changeset
112 if (std::equal (x, x + m, y + j))
830986c43dee implement compiled strrep
Jaroslav Hajek <highegg@gmail.com>
parents: 10022
diff changeset
113 accum.push_back (j);
830986c43dee implement compiled strrep
Jaroslav Hajek <highegg@gmail.com>
parents: 10022
diff changeset
114 j += table[ORD(y[j + m])];
830986c43dee implement compiled strrep
Jaroslav Hajek <highegg@gmail.com>
parents: 10022
diff changeset
115 }
830986c43dee implement compiled strrep
Jaroslav Hajek <highegg@gmail.com>
parents: 10022
diff changeset
116 }
830986c43dee implement compiled strrep
Jaroslav Hajek <highegg@gmail.com>
parents: 10022
diff changeset
117 else
830986c43dee implement compiled strrep
Jaroslav Hajek <highegg@gmail.com>
parents: 10022
diff changeset
118 {
830986c43dee implement compiled strrep
Jaroslav Hajek <highegg@gmail.com>
parents: 10022
diff changeset
119 while (j < n - m)
830986c43dee implement compiled strrep
Jaroslav Hajek <highegg@gmail.com>
parents: 10022
diff changeset
120 {
830986c43dee implement compiled strrep
Jaroslav Hajek <highegg@gmail.com>
parents: 10022
diff changeset
121 if (std::equal (x, x + m, y + j))
830986c43dee implement compiled strrep
Jaroslav Hajek <highegg@gmail.com>
parents: 10022
diff changeset
122 {
830986c43dee implement compiled strrep
Jaroslav Hajek <highegg@gmail.com>
parents: 10022
diff changeset
123 accum.push_back (j);
830986c43dee implement compiled strrep
Jaroslav Hajek <highegg@gmail.com>
parents: 10022
diff changeset
124 j += m;
830986c43dee implement compiled strrep
Jaroslav Hajek <highegg@gmail.com>
parents: 10022
diff changeset
125 }
830986c43dee implement compiled strrep
Jaroslav Hajek <highegg@gmail.com>
parents: 10022
diff changeset
126 else
830986c43dee implement compiled strrep
Jaroslav Hajek <highegg@gmail.com>
parents: 10022
diff changeset
127 j += table[ORD(y[j + m])];
830986c43dee implement compiled strrep
Jaroslav Hajek <highegg@gmail.com>
parents: 10022
diff changeset
128 }
830986c43dee implement compiled strrep
Jaroslav Hajek <highegg@gmail.com>
parents: 10022
diff changeset
129 }
830986c43dee implement compiled strrep
Jaroslav Hajek <highegg@gmail.com>
parents: 10022
diff changeset
130
830986c43dee implement compiled strrep
Jaroslav Hajek <highegg@gmail.com>
parents: 10022
diff changeset
131 if (j == n - m && std::equal (x, x + m, y + j))
830986c43dee implement compiled strrep
Jaroslav Hajek <highegg@gmail.com>
parents: 10022
diff changeset
132 accum.push_back (j);
10022
a14dc255427f omitted file in last patch
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
133 }
a14dc255427f omitted file in last patch
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
134
a14dc255427f omitted file in last patch
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
135 octave_idx_type nmatch = accum.size ();
10258
e317791645c4 64-bit fixes
John W. Eaton <jwe@octave.org>
parents: 10133
diff changeset
136 octave_idx_type one = 1;
e317791645c4 64-bit fixes
John W. Eaton <jwe@octave.org>
parents: 10133
diff changeset
137 Array<octave_idx_type> result (dim_vector (std::min (one, nmatch), nmatch));
10053
830986c43dee implement compiled strrep
Jaroslav Hajek <highegg@gmail.com>
parents: 10022
diff changeset
138 octave_idx_type k = 0;
830986c43dee implement compiled strrep
Jaroslav Hajek <highegg@gmail.com>
parents: 10022
diff changeset
139 for (std::deque<octave_idx_type>::const_iterator iter = accum.begin ();
830986c43dee implement compiled strrep
Jaroslav Hajek <highegg@gmail.com>
parents: 10022
diff changeset
140 iter != accum.end (); iter++)
830986c43dee implement compiled strrep
Jaroslav Hajek <highegg@gmail.com>
parents: 10022
diff changeset
141 {
830986c43dee implement compiled strrep
Jaroslav Hajek <highegg@gmail.com>
parents: 10022
diff changeset
142 result.xelem (k++) = *iter;
830986c43dee implement compiled strrep
Jaroslav Hajek <highegg@gmail.com>
parents: 10022
diff changeset
143 }
10022
a14dc255427f omitted file in last patch
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
144
a14dc255427f omitted file in last patch
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
145 return result;
a14dc255427f omitted file in last patch
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
146 }
a14dc255427f omitted file in last patch
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
147
a14dc255427f omitted file in last patch
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
148 DEFUN_DLD (strfind, args, ,
a14dc255427f omitted file in last patch
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
149 "-*- texinfo -*-\n\
a14dc255427f omitted file in last patch
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
150 @deftypefn {Loadable Function} {@var{idx} =} strfind (@var{str}, @var{pattern})\n\
a14dc255427f omitted file in last patch
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
151 @deftypefnx {Loadable Function} {@var{idx} =} strfind (@var{cellstr}, @var{pattern})\n\
a14dc255427f omitted file in last patch
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
152 Search for @var{pattern} in the string @var{str} and return the\n\
a14dc255427f omitted file in last patch
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
153 starting index of every such occurrence in the vector @var{idx}.\n\
a14dc255427f omitted file in last patch
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
154 If there is no such occurrence, or if @var{pattern} is longer\n\
a14dc255427f omitted file in last patch
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
155 than @var{str}, then @var{idx} is the empty array @code{[]}.\n\
a14dc255427f omitted file in last patch
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
156 \n\
a14dc255427f omitted file in last patch
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
157 If the cell array of strings @var{cellstr} is specified instead of the\n\
a14dc255427f omitted file in last patch
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
158 string @var{str}, then @var{idx} is a cell array of vectors, as specified\n\
a14dc255427f omitted file in last patch
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
159 above. Examples:\n\
a14dc255427f omitted file in last patch
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
160 \n\
a14dc255427f omitted file in last patch
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
161 @example\n\
a14dc255427f omitted file in last patch
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
162 @group\n\
a14dc255427f omitted file in last patch
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
163 strfind (\"abababa\", \"aba\")\n\
a14dc255427f omitted file in last patch
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
164 @result{} [1, 3, 5]\n\
a14dc255427f omitted file in last patch
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
165 \n\
a14dc255427f omitted file in last patch
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
166 strfind (@{\"abababa\", \"bebebe\", \"ab\"@}, \"aba\")\n\
a14dc255427f omitted file in last patch
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
167 @result{} ans =\n\
a14dc255427f omitted file in last patch
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
168 @{\n\
a14dc255427f omitted file in last patch
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
169 [1,1] =\n\
a14dc255427f omitted file in last patch
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
170 \n\
a14dc255427f omitted file in last patch
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
171 1 3 5\n\
a14dc255427f omitted file in last patch
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
172 \n\
a14dc255427f omitted file in last patch
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
173 [1,2] = [](1x0)\n\
a14dc255427f omitted file in last patch
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
174 [1,3] = [](1x0)\n\
a14dc255427f omitted file in last patch
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
175 @}\n\
a14dc255427f omitted file in last patch
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
176 @end group\n\
a14dc255427f omitted file in last patch
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
177 @end example\n\
a14dc255427f omitted file in last patch
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
178 @seealso{findstr, strmatch, strcmp, strncmp, strcmpi, strncmpi, find}\n\
a14dc255427f omitted file in last patch
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
179 @end deftypefn")
a14dc255427f omitted file in last patch
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
180 {
a14dc255427f omitted file in last patch
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
181 octave_value retval;
a14dc255427f omitted file in last patch
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
182 int nargin = args.length ();
a14dc255427f omitted file in last patch
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
183
a14dc255427f omitted file in last patch
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
184 if (nargin == 2)
a14dc255427f omitted file in last patch
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
185 {
10086
76df75b10c80 allow more cells in strfind/strrep + supply a general mechanism
Jaroslav Hajek <highegg@gmail.com>
parents: 10074
diff changeset
186 octave_value argstr = args(0), argpat = args(1);
76df75b10c80 allow more cells in strfind/strrep + supply a general mechanism
Jaroslav Hajek <highegg@gmail.com>
parents: 10074
diff changeset
187 if (argpat.is_string ())
10022
a14dc255427f omitted file in last patch
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
188 {
10086
76df75b10c80 allow more cells in strfind/strrep + supply a general mechanism
Jaroslav Hajek <highegg@gmail.com>
parents: 10074
diff changeset
189 Array<char> needle = argpat.char_array_value ();
10022
a14dc255427f omitted file in last patch
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
190 OCTAVE_LOCAL_BUFFER (octave_idx_type, table, UCHAR_MAX);
a14dc255427f omitted file in last patch
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
191 qs_preprocess (needle, table);
a14dc255427f omitted file in last patch
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
192
a14dc255427f omitted file in last patch
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
193 if (argstr.is_string ())
10053
830986c43dee implement compiled strrep
Jaroslav Hajek <highegg@gmail.com>
parents: 10022
diff changeset
194 retval = octave_value (qs_search (needle, argstr.char_array_value (), table),
830986c43dee implement compiled strrep
Jaroslav Hajek <highegg@gmail.com>
parents: 10022
diff changeset
195 true, true);
10022
a14dc255427f omitted file in last patch
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
196 else if (argstr.is_cell ())
a14dc255427f omitted file in last patch
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
197 {
a14dc255427f omitted file in last patch
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
198 const Cell argsc = argstr.cell_value ();
a14dc255427f omitted file in last patch
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
199 Cell retc (argsc.dims ());
a14dc255427f omitted file in last patch
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
200 octave_idx_type ns = argsc.numel ();
a14dc255427f omitted file in last patch
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
201
a14dc255427f omitted file in last patch
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
202 for (octave_idx_type i = 0; i < ns; i++)
a14dc255427f omitted file in last patch
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
203 {
a14dc255427f omitted file in last patch
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
204 octave_value argse = argsc(i);
a14dc255427f omitted file in last patch
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
205 if (argse.is_string ())
10053
830986c43dee implement compiled strrep
Jaroslav Hajek <highegg@gmail.com>
parents: 10022
diff changeset
206 retc(i) = octave_value (qs_search (needle, argse.char_array_value (), table),
830986c43dee implement compiled strrep
Jaroslav Hajek <highegg@gmail.com>
parents: 10022
diff changeset
207 true, true);
10022
a14dc255427f omitted file in last patch
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
208 else
a14dc255427f omitted file in last patch
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
209 {
a14dc255427f omitted file in last patch
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
210 error ("strfind: each cell element must be a string");
a14dc255427f omitted file in last patch
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
211 break;
a14dc255427f omitted file in last patch
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
212 }
a14dc255427f omitted file in last patch
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
213 }
a14dc255427f omitted file in last patch
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
214
a14dc255427f omitted file in last patch
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
215 retval = retc;
a14dc255427f omitted file in last patch
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
216 }
a14dc255427f omitted file in last patch
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
217 else
a14dc255427f omitted file in last patch
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
218 error ("strfind: first argument must be a string or cell array of strings");
a14dc255427f omitted file in last patch
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
219 }
10086
76df75b10c80 allow more cells in strfind/strrep + supply a general mechanism
Jaroslav Hajek <highegg@gmail.com>
parents: 10074
diff changeset
220 else if (argpat.is_cell ())
76df75b10c80 allow more cells in strfind/strrep + supply a general mechanism
Jaroslav Hajek <highegg@gmail.com>
parents: 10074
diff changeset
221 retval = do_simple_cellfun (Fstrfind, "strfind", args);
10022
a14dc255427f omitted file in last patch
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
222 else
10086
76df75b10c80 allow more cells in strfind/strrep + supply a general mechanism
Jaroslav Hajek <highegg@gmail.com>
parents: 10074
diff changeset
223 error ("strfind: pattern must be a string or cell array of strings");
10022
a14dc255427f omitted file in last patch
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
224 }
a14dc255427f omitted file in last patch
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
225 else
a14dc255427f omitted file in last patch
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
226 print_usage ();
a14dc255427f omitted file in last patch
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
227
a14dc255427f omitted file in last patch
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
228 return retval;
a14dc255427f omitted file in last patch
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
229 }
a14dc255427f omitted file in last patch
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
230
a14dc255427f omitted file in last patch
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
231 /*
a14dc255427f omitted file in last patch
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
232
a14dc255427f omitted file in last patch
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
233 %!error strfind ();
a14dc255427f omitted file in last patch
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
234 %!error strfind ("foo", "bar", 1);
a14dc255427f omitted file in last patch
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
235 %!error strfind ("foo", 100);
a14dc255427f omitted file in last patch
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
236 %!error strfind (100, "foo");
a14dc255427f omitted file in last patch
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
237
a14dc255427f omitted file in last patch
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
238 %!assert (strfind ("abababa", "aba"), [1, 3, 5]);
a14dc255427f omitted file in last patch
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
239 %!assert (strfind ({"abababa", "bla", "bla"}, "a"), {[1, 3, 5, 7], 3, 3});
a14dc255427f omitted file in last patch
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
240 %!assert (strfind ("Linux _is_ user-friendly. It just isn't ignorant-friendly or idiot-friendly.", "friendly"), [17, 50, 68]);
a14dc255427f omitted file in last patch
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
241
a14dc255427f omitted file in last patch
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
242 */
10053
830986c43dee implement compiled strrep
Jaroslav Hajek <highegg@gmail.com>
parents: 10022
diff changeset
243
10074
5e2b4b7967cc allow array of strings in strrep
Jaroslav Hajek <highegg@gmail.com>
parents: 10053
diff changeset
244 static Array<char>
5e2b4b7967cc allow array of strings in strrep
Jaroslav Hajek <highegg@gmail.com>
parents: 10053
diff changeset
245 qs_replace (const Array<char>& str, const Array<char>& pat,
5e2b4b7967cc allow array of strings in strrep
Jaroslav Hajek <highegg@gmail.com>
parents: 10053
diff changeset
246 const Array<char>& rep,
5e2b4b7967cc allow array of strings in strrep
Jaroslav Hajek <highegg@gmail.com>
parents: 10053
diff changeset
247 const octave_idx_type table[TABSIZE])
5e2b4b7967cc allow array of strings in strrep
Jaroslav Hajek <highegg@gmail.com>
parents: 10053
diff changeset
248 {
5e2b4b7967cc allow array of strings in strrep
Jaroslav Hajek <highegg@gmail.com>
parents: 10053
diff changeset
249 Array<char> ret = str;
5e2b4b7967cc allow array of strings in strrep
Jaroslav Hajek <highegg@gmail.com>
parents: 10053
diff changeset
250
5e2b4b7967cc allow array of strings in strrep
Jaroslav Hajek <highegg@gmail.com>
parents: 10053
diff changeset
251 octave_idx_type siz = str.numel (), psiz = pat.numel (), rsiz = rep.numel ();
5e2b4b7967cc allow array of strings in strrep
Jaroslav Hajek <highegg@gmail.com>
parents: 10053
diff changeset
252
5e2b4b7967cc allow array of strings in strrep
Jaroslav Hajek <highegg@gmail.com>
parents: 10053
diff changeset
253 if (psiz != 0)
5e2b4b7967cc allow array of strings in strrep
Jaroslav Hajek <highegg@gmail.com>
parents: 10053
diff changeset
254 {
5e2b4b7967cc allow array of strings in strrep
Jaroslav Hajek <highegg@gmail.com>
parents: 10053
diff changeset
255 // Look up matches, without overlaps.
5e2b4b7967cc allow array of strings in strrep
Jaroslav Hajek <highegg@gmail.com>
parents: 10053
diff changeset
256 const Array<octave_idx_type> idx = qs_search (pat, str, table, false);
5e2b4b7967cc allow array of strings in strrep
Jaroslav Hajek <highegg@gmail.com>
parents: 10053
diff changeset
257 octave_idx_type nidx = idx.numel ();
5e2b4b7967cc allow array of strings in strrep
Jaroslav Hajek <highegg@gmail.com>
parents: 10053
diff changeset
258
5e2b4b7967cc allow array of strings in strrep
Jaroslav Hajek <highegg@gmail.com>
parents: 10053
diff changeset
259 if (nidx)
5e2b4b7967cc allow array of strings in strrep
Jaroslav Hajek <highegg@gmail.com>
parents: 10053
diff changeset
260 {
5e2b4b7967cc allow array of strings in strrep
Jaroslav Hajek <highegg@gmail.com>
parents: 10053
diff changeset
261 // Compute result size.
5e2b4b7967cc allow array of strings in strrep
Jaroslav Hajek <highegg@gmail.com>
parents: 10053
diff changeset
262 octave_idx_type retsiz = siz + nidx * (rsiz - psiz);
5e2b4b7967cc allow array of strings in strrep
Jaroslav Hajek <highegg@gmail.com>
parents: 10053
diff changeset
263 ret.clear (dim_vector (1, retsiz));
5e2b4b7967cc allow array of strings in strrep
Jaroslav Hajek <highegg@gmail.com>
parents: 10053
diff changeset
264 const char *src = str.data (), *reps = rep.data ();
5e2b4b7967cc allow array of strings in strrep
Jaroslav Hajek <highegg@gmail.com>
parents: 10053
diff changeset
265 char *dest = ret.fortran_vec ();
5e2b4b7967cc allow array of strings in strrep
Jaroslav Hajek <highegg@gmail.com>
parents: 10053
diff changeset
266
5e2b4b7967cc allow array of strings in strrep
Jaroslav Hajek <highegg@gmail.com>
parents: 10053
diff changeset
267 octave_idx_type k = 0;
5e2b4b7967cc allow array of strings in strrep
Jaroslav Hajek <highegg@gmail.com>
parents: 10053
diff changeset
268 for (octave_idx_type i = 0; i < nidx; i++)
5e2b4b7967cc allow array of strings in strrep
Jaroslav Hajek <highegg@gmail.com>
parents: 10053
diff changeset
269 {
5e2b4b7967cc allow array of strings in strrep
Jaroslav Hajek <highegg@gmail.com>
parents: 10053
diff changeset
270 octave_idx_type j = idx(i);
5e2b4b7967cc allow array of strings in strrep
Jaroslav Hajek <highegg@gmail.com>
parents: 10053
diff changeset
271 dest = std::copy (src + k, src + j, dest);
5e2b4b7967cc allow array of strings in strrep
Jaroslav Hajek <highegg@gmail.com>
parents: 10053
diff changeset
272 dest = std::copy (reps, reps + rsiz, dest);
5e2b4b7967cc allow array of strings in strrep
Jaroslav Hajek <highegg@gmail.com>
parents: 10053
diff changeset
273 k = j + psiz;
5e2b4b7967cc allow array of strings in strrep
Jaroslav Hajek <highegg@gmail.com>
parents: 10053
diff changeset
274 }
5e2b4b7967cc allow array of strings in strrep
Jaroslav Hajek <highegg@gmail.com>
parents: 10053
diff changeset
275
5e2b4b7967cc allow array of strings in strrep
Jaroslav Hajek <highegg@gmail.com>
parents: 10053
diff changeset
276 std::copy (src + k, src + siz, dest);
5e2b4b7967cc allow array of strings in strrep
Jaroslav Hajek <highegg@gmail.com>
parents: 10053
diff changeset
277 }
5e2b4b7967cc allow array of strings in strrep
Jaroslav Hajek <highegg@gmail.com>
parents: 10053
diff changeset
278 }
5e2b4b7967cc allow array of strings in strrep
Jaroslav Hajek <highegg@gmail.com>
parents: 10053
diff changeset
279
5e2b4b7967cc allow array of strings in strrep
Jaroslav Hajek <highegg@gmail.com>
parents: 10053
diff changeset
280 return ret;
5e2b4b7967cc allow array of strings in strrep
Jaroslav Hajek <highegg@gmail.com>
parents: 10053
diff changeset
281 }
5e2b4b7967cc allow array of strings in strrep
Jaroslav Hajek <highegg@gmail.com>
parents: 10053
diff changeset
282
10053
830986c43dee implement compiled strrep
Jaroslav Hajek <highegg@gmail.com>
parents: 10022
diff changeset
283 DEFUN_DLD (strrep, args, ,
830986c43dee implement compiled strrep
Jaroslav Hajek <highegg@gmail.com>
parents: 10022
diff changeset
284 "-*- texinfo -*-\n\
830986c43dee implement compiled strrep
Jaroslav Hajek <highegg@gmail.com>
parents: 10022
diff changeset
285 @deftypefn {Loadable Function} {} strrep (@var{s}, @var{x}, @var{y})\n\
830986c43dee implement compiled strrep
Jaroslav Hajek <highegg@gmail.com>
parents: 10022
diff changeset
286 Replace all occurrences of the substring @var{x} of the string @var{s}\n\
830986c43dee implement compiled strrep
Jaroslav Hajek <highegg@gmail.com>
parents: 10022
diff changeset
287 with the string @var{y} and return the result. For example,\n\
830986c43dee implement compiled strrep
Jaroslav Hajek <highegg@gmail.com>
parents: 10022
diff changeset
288 \n\
830986c43dee implement compiled strrep
Jaroslav Hajek <highegg@gmail.com>
parents: 10022
diff changeset
289 @example\n\
830986c43dee implement compiled strrep
Jaroslav Hajek <highegg@gmail.com>
parents: 10022
diff changeset
290 @group\n\
830986c43dee implement compiled strrep
Jaroslav Hajek <highegg@gmail.com>
parents: 10022
diff changeset
291 strrep (\"This is a test string\", \"is\", \"&%$\")\n\
830986c43dee implement compiled strrep
Jaroslav Hajek <highegg@gmail.com>
parents: 10022
diff changeset
292 @result{} \"Th&%$ &%$ a test string\"\n\
830986c43dee implement compiled strrep
Jaroslav Hajek <highegg@gmail.com>
parents: 10022
diff changeset
293 @end group\n\
830986c43dee implement compiled strrep
Jaroslav Hajek <highegg@gmail.com>
parents: 10022
diff changeset
294 @end example\n\
10074
5e2b4b7967cc allow array of strings in strrep
Jaroslav Hajek <highegg@gmail.com>
parents: 10053
diff changeset
295 \n\
5e2b4b7967cc allow array of strings in strrep
Jaroslav Hajek <highegg@gmail.com>
parents: 10053
diff changeset
296 @var{s} may also be a cell array of strings, in which case the replacement is\n\
5e2b4b7967cc allow array of strings in strrep
Jaroslav Hajek <highegg@gmail.com>
parents: 10053
diff changeset
297 done for each element and a cell array is returned.\n\
10053
830986c43dee implement compiled strrep
Jaroslav Hajek <highegg@gmail.com>
parents: 10022
diff changeset
298 @seealso{regexprep, strfind, findstr}\n\
830986c43dee implement compiled strrep
Jaroslav Hajek <highegg@gmail.com>
parents: 10022
diff changeset
299 @end deftypefn")
830986c43dee implement compiled strrep
Jaroslav Hajek <highegg@gmail.com>
parents: 10022
diff changeset
300 {
830986c43dee implement compiled strrep
Jaroslav Hajek <highegg@gmail.com>
parents: 10022
diff changeset
301 octave_value retval;
830986c43dee implement compiled strrep
Jaroslav Hajek <highegg@gmail.com>
parents: 10022
diff changeset
302 int nargin = args.length ();
830986c43dee implement compiled strrep
Jaroslav Hajek <highegg@gmail.com>
parents: 10022
diff changeset
303
830986c43dee implement compiled strrep
Jaroslav Hajek <highegg@gmail.com>
parents: 10022
diff changeset
304 if (nargin == 3)
830986c43dee implement compiled strrep
Jaroslav Hajek <highegg@gmail.com>
parents: 10022
diff changeset
305 {
10086
76df75b10c80 allow more cells in strfind/strrep + supply a general mechanism
Jaroslav Hajek <highegg@gmail.com>
parents: 10074
diff changeset
306 octave_value argstr = args(0), argpat = args(1), argrep = args(2);
76df75b10c80 allow more cells in strfind/strrep + supply a general mechanism
Jaroslav Hajek <highegg@gmail.com>
parents: 10074
diff changeset
307 if (argpat.is_string () && argrep.is_string ())
10053
830986c43dee implement compiled strrep
Jaroslav Hajek <highegg@gmail.com>
parents: 10022
diff changeset
308 {
10086
76df75b10c80 allow more cells in strfind/strrep + supply a general mechanism
Jaroslav Hajek <highegg@gmail.com>
parents: 10074
diff changeset
309 const Array<char> pat = argpat.char_array_value ();
76df75b10c80 allow more cells in strfind/strrep + supply a general mechanism
Jaroslav Hajek <highegg@gmail.com>
parents: 10074
diff changeset
310 const Array<char> rep = argrep.char_array_value ();
10074
5e2b4b7967cc allow array of strings in strrep
Jaroslav Hajek <highegg@gmail.com>
parents: 10053
diff changeset
311
5e2b4b7967cc allow array of strings in strrep
Jaroslav Hajek <highegg@gmail.com>
parents: 10053
diff changeset
312 OCTAVE_LOCAL_BUFFER (octave_idx_type, table, UCHAR_MAX);
5e2b4b7967cc allow array of strings in strrep
Jaroslav Hajek <highegg@gmail.com>
parents: 10053
diff changeset
313 qs_preprocess (pat, table);
10053
830986c43dee implement compiled strrep
Jaroslav Hajek <highegg@gmail.com>
parents: 10022
diff changeset
314
10074
5e2b4b7967cc allow array of strings in strrep
Jaroslav Hajek <highegg@gmail.com>
parents: 10053
diff changeset
315 if (argstr.is_string ())
5e2b4b7967cc allow array of strings in strrep
Jaroslav Hajek <highegg@gmail.com>
parents: 10053
diff changeset
316 retval = qs_replace (argstr.char_array_value (), pat, rep, table);
5e2b4b7967cc allow array of strings in strrep
Jaroslav Hajek <highegg@gmail.com>
parents: 10053
diff changeset
317 else if (argstr.is_cell ())
10053
830986c43dee implement compiled strrep
Jaroslav Hajek <highegg@gmail.com>
parents: 10022
diff changeset
318 {
10074
5e2b4b7967cc allow array of strings in strrep
Jaroslav Hajek <highegg@gmail.com>
parents: 10053
diff changeset
319 const Cell argsc = argstr.cell_value ();
5e2b4b7967cc allow array of strings in strrep
Jaroslav Hajek <highegg@gmail.com>
parents: 10053
diff changeset
320 Cell retc (argsc.dims ());
5e2b4b7967cc allow array of strings in strrep
Jaroslav Hajek <highegg@gmail.com>
parents: 10053
diff changeset
321 octave_idx_type ns = argsc.numel ();
10053
830986c43dee implement compiled strrep
Jaroslav Hajek <highegg@gmail.com>
parents: 10022
diff changeset
322
10074
5e2b4b7967cc allow array of strings in strrep
Jaroslav Hajek <highegg@gmail.com>
parents: 10053
diff changeset
323 for (octave_idx_type i = 0; i < ns; i++)
10053
830986c43dee implement compiled strrep
Jaroslav Hajek <highegg@gmail.com>
parents: 10022
diff changeset
324 {
10074
5e2b4b7967cc allow array of strings in strrep
Jaroslav Hajek <highegg@gmail.com>
parents: 10053
diff changeset
325 octave_value argse = argsc(i);
5e2b4b7967cc allow array of strings in strrep
Jaroslav Hajek <highegg@gmail.com>
parents: 10053
diff changeset
326 if (argse.is_string ())
5e2b4b7967cc allow array of strings in strrep
Jaroslav Hajek <highegg@gmail.com>
parents: 10053
diff changeset
327 retc(i) = qs_replace (argse.char_array_value (), pat, rep, table);
5e2b4b7967cc allow array of strings in strrep
Jaroslav Hajek <highegg@gmail.com>
parents: 10053
diff changeset
328 else
10053
830986c43dee implement compiled strrep
Jaroslav Hajek <highegg@gmail.com>
parents: 10022
diff changeset
329 {
10074
5e2b4b7967cc allow array of strings in strrep
Jaroslav Hajek <highegg@gmail.com>
parents: 10053
diff changeset
330 error ("strrep: each cell element must be a string");
5e2b4b7967cc allow array of strings in strrep
Jaroslav Hajek <highegg@gmail.com>
parents: 10053
diff changeset
331 break;
10053
830986c43dee implement compiled strrep
Jaroslav Hajek <highegg@gmail.com>
parents: 10022
diff changeset
332 }
10074
5e2b4b7967cc allow array of strings in strrep
Jaroslav Hajek <highegg@gmail.com>
parents: 10053
diff changeset
333 }
10053
830986c43dee implement compiled strrep
Jaroslav Hajek <highegg@gmail.com>
parents: 10022
diff changeset
334
10074
5e2b4b7967cc allow array of strings in strrep
Jaroslav Hajek <highegg@gmail.com>
parents: 10053
diff changeset
335 retval = retc;
10053
830986c43dee implement compiled strrep
Jaroslav Hajek <highegg@gmail.com>
parents: 10022
diff changeset
336 }
10074
5e2b4b7967cc allow array of strings in strrep
Jaroslav Hajek <highegg@gmail.com>
parents: 10053
diff changeset
337 else
5e2b4b7967cc allow array of strings in strrep
Jaroslav Hajek <highegg@gmail.com>
parents: 10053
diff changeset
338 error ("strrep: first argument must be a string or cell array of strings");
10053
830986c43dee implement compiled strrep
Jaroslav Hajek <highegg@gmail.com>
parents: 10022
diff changeset
339 }
10086
76df75b10c80 allow more cells in strfind/strrep + supply a general mechanism
Jaroslav Hajek <highegg@gmail.com>
parents: 10074
diff changeset
340 else if (argpat.is_cell () || argrep.is_cell ())
76df75b10c80 allow more cells in strfind/strrep + supply a general mechanism
Jaroslav Hajek <highegg@gmail.com>
parents: 10074
diff changeset
341 retval = do_simple_cellfun (Fstrrep, "strrep", args);
10053
830986c43dee implement compiled strrep
Jaroslav Hajek <highegg@gmail.com>
parents: 10022
diff changeset
342 else
10086
76df75b10c80 allow more cells in strfind/strrep + supply a general mechanism
Jaroslav Hajek <highegg@gmail.com>
parents: 10074
diff changeset
343 error ("strrep: x and y arguments must be strings or cell arrays of strings");
10053
830986c43dee implement compiled strrep
Jaroslav Hajek <highegg@gmail.com>
parents: 10022
diff changeset
344 }
830986c43dee implement compiled strrep
Jaroslav Hajek <highegg@gmail.com>
parents: 10022
diff changeset
345 else
830986c43dee implement compiled strrep
Jaroslav Hajek <highegg@gmail.com>
parents: 10022
diff changeset
346 print_usage ();
830986c43dee implement compiled strrep
Jaroslav Hajek <highegg@gmail.com>
parents: 10022
diff changeset
347
830986c43dee implement compiled strrep
Jaroslav Hajek <highegg@gmail.com>
parents: 10022
diff changeset
348 return retval;
830986c43dee implement compiled strrep
Jaroslav Hajek <highegg@gmail.com>
parents: 10022
diff changeset
349 }
830986c43dee implement compiled strrep
Jaroslav Hajek <highegg@gmail.com>
parents: 10022
diff changeset
350
830986c43dee implement compiled strrep
Jaroslav Hajek <highegg@gmail.com>
parents: 10022
diff changeset
351 /*
830986c43dee implement compiled strrep
Jaroslav Hajek <highegg@gmail.com>
parents: 10022
diff changeset
352
830986c43dee implement compiled strrep
Jaroslav Hajek <highegg@gmail.com>
parents: 10022
diff changeset
353 %!assert(strcmp (strrep ("This is a test string", "is", "&%$"),
830986c43dee implement compiled strrep
Jaroslav Hajek <highegg@gmail.com>
parents: 10022
diff changeset
354 %! "Th&%$ &%$ a test string"));
830986c43dee implement compiled strrep
Jaroslav Hajek <highegg@gmail.com>
parents: 10022
diff changeset
355
830986c43dee implement compiled strrep
Jaroslav Hajek <highegg@gmail.com>
parents: 10022
diff changeset
356 %!error strrep ();
830986c43dee implement compiled strrep
Jaroslav Hajek <highegg@gmail.com>
parents: 10022
diff changeset
357
830986c43dee implement compiled strrep
Jaroslav Hajek <highegg@gmail.com>
parents: 10022
diff changeset
358 %!error strrep ("foo", "bar", 3, 4);
830986c43dee implement compiled strrep
Jaroslav Hajek <highegg@gmail.com>
parents: 10022
diff changeset
359
830986c43dee implement compiled strrep
Jaroslav Hajek <highegg@gmail.com>
parents: 10022
diff changeset
360 */