Mercurial > octave

annotate libinterp/corefcn/ls-ascii-helper.cc @ 33623:4517f929c59d bytecode-interpreter tip

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
maint: Merge default to bytecode-interpreter
author Arun Giridhar <arungiridhar@gmail.com>
date Fri, 24 May 2024 16:22:41 -0400
parents 2e484f9f1f18
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
27923
bd51beb6205e update formatting of copyright notices
John W. Eaton <jwe@octave.org>
parents: 27919
diff changeset
1 ////////////////////////////////////////////////////////////////////////
bd51beb6205e update formatting of copyright notices
John W. Eaton <jwe@octave.org>
parents: 27919
diff changeset
2 //
32632
2e484f9f1f18 maint: update Octave Project Developers copyright for the new year
John W. Eaton <jwe@octave.org>
parents: 31706
diff changeset
3 // Copyright (C) 2009-2024 The Octave Project Developers
27923
bd51beb6205e update formatting of copyright notices
John W. Eaton <jwe@octave.org>
parents: 27919
diff changeset
4 //
bd51beb6205e update formatting of copyright notices
John W. Eaton <jwe@octave.org>
parents: 27919
diff changeset
5 // See the file COPYRIGHT.md in the top-level directory of this
bd51beb6205e update formatting of copyright notices
John W. Eaton <jwe@octave.org>
parents: 27919
diff changeset
6 // distribution or <https://octave.org/copyright/>.
bd51beb6205e update formatting of copyright notices
John W. Eaton <jwe@octave.org>
parents: 27919
diff changeset
7 //
bd51beb6205e update formatting of copyright notices
John W. Eaton <jwe@octave.org>
parents: 27919
diff changeset
8 // This file is part of Octave.
bd51beb6205e update formatting of copyright notices
John W. Eaton <jwe@octave.org>
parents: 27919
diff changeset
9 //
bd51beb6205e update formatting of copyright notices
John W. Eaton <jwe@octave.org>
parents: 27919
diff changeset
10 // Octave is free software: you can redistribute it and/or modify it
bd51beb6205e update formatting of copyright notices
John W. Eaton <jwe@octave.org>
parents: 27919
diff changeset
11 // under the terms of the GNU General Public License as published by
bd51beb6205e update formatting of copyright notices
John W. Eaton <jwe@octave.org>
parents: 27919
diff changeset
12 // the Free Software Foundation, either version 3 of the License, or
bd51beb6205e update formatting of copyright notices
John W. Eaton <jwe@octave.org>
parents: 27919
diff changeset
13 // (at your option) any later version.
bd51beb6205e update formatting of copyright notices
John W. Eaton <jwe@octave.org>
parents: 27919
diff changeset
14 //
bd51beb6205e update formatting of copyright notices
John W. Eaton <jwe@octave.org>
parents: 27919
diff changeset
15 // Octave is distributed in the hope that it will be useful, but
bd51beb6205e update formatting of copyright notices
John W. Eaton <jwe@octave.org>
parents: 27919
diff changeset
16 // WITHOUT ANY WARRANTY; without even the implied warranty of
bd51beb6205e update formatting of copyright notices
John W. Eaton <jwe@octave.org>
parents: 27919
diff changeset
17 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
bd51beb6205e update formatting of copyright notices
John W. Eaton <jwe@octave.org>
parents: 27919
diff changeset
18 // GNU General Public License for more details.
bd51beb6205e update formatting of copyright notices
John W. Eaton <jwe@octave.org>
parents: 27919
diff changeset
19 //
bd51beb6205e update formatting of copyright notices
John W. Eaton <jwe@octave.org>
parents: 27919
diff changeset
20 // You should have received a copy of the GNU General Public License
bd51beb6205e update formatting of copyright notices
John W. Eaton <jwe@octave.org>
parents: 27919
diff changeset
21 // along with Octave; see the file COPYING. If not, see
bd51beb6205e update formatting of copyright notices
John W. Eaton <jwe@octave.org>
parents: 27919
diff changeset
22 // <https://www.gnu.org/licenses/>.
bd51beb6205e update formatting of copyright notices
John W. Eaton <jwe@octave.org>
parents: 27919
diff changeset
23 //
bd51beb6205e update formatting of copyright notices
John W. Eaton <jwe@octave.org>
parents: 27919
diff changeset
24 ////////////////////////////////////////////////////////////////////////
8946
e7e928088e90 fix CRLF issues with text-mode reading in windows when loading ascii data
Benjamin Lindner <lindnerb@users.sourceforge.net>
parents:
diff changeset
25
21724
aba2e6293dd8 use "#if ..." consistently instead of "#ifdef" and "#ifndef"
John W. Eaton <jwe@octave.org>
parents: 21301
diff changeset
26 #if defined (HAVE_CONFIG_H)
21301
40de9f8f23a6 Use '#include "config.h"' rather than <config.h>.
Rik <rik@octave.org>
parents: 21200
diff changeset
27 # include "config.h"
8946
e7e928088e90 fix CRLF issues with text-mode reading in windows when loading ascii data
Benjamin Lindner <lindnerb@users.sourceforge.net>
parents:
diff changeset
28 #endif
e7e928088e90 fix CRLF issues with text-mode reading in windows when loading ascii data
Benjamin Lindner <lindnerb@users.sourceforge.net>
parents:
diff changeset
29
e7e928088e90 fix CRLF issues with text-mode reading in windows when loading ascii data
Benjamin Lindner <lindnerb@users.sourceforge.net>
parents:
diff changeset
30 #include "ls-ascii-helper.h"
e7e928088e90 fix CRLF issues with text-mode reading in windows when loading ascii data
Benjamin Lindner <lindnerb@users.sourceforge.net>
parents:
diff changeset
31
25438
cb1606f78f6b prefer <istream>, <ostream>, or <iosfwd> to <iostream> where possible
John W. Eaton <jwe@octave.org>
parents: 25054
diff changeset
32 #include <istream>
8946
e7e928088e90 fix CRLF issues with text-mode reading in windows when loading ascii data
Benjamin Lindner <lindnerb@users.sourceforge.net>
parents:
diff changeset
33 #include <sstream>
e7e928088e90 fix CRLF issues with text-mode reading in windows when loading ascii data
Benjamin Lindner <lindnerb@users.sourceforge.net>
parents:
diff changeset
34
31605
e88a07dec498 maint: Use macros to begin/end C++ namespaces.
Rik <rik@octave.org>
parents: 30564
diff changeset
35 OCTAVE_BEGIN_NAMESPACE(octave)
30006
75dff8f2de2e move some load-save utilities to octave namespace
John W. Eaton <jwe@octave.org>
parents: 29358
diff changeset
36
8946
e7e928088e90 fix CRLF issues with text-mode reading in windows when loading ascii data
Benjamin Lindner <lindnerb@users.sourceforge.net>
parents:
diff changeset
37 // Helper functions when reading from ascii files.
e7e928088e90 fix CRLF issues with text-mode reading in windows when loading ascii data
Benjamin Lindner <lindnerb@users.sourceforge.net>
parents:
diff changeset
38
28993
cc287e633588 Always open files in binary mode for saving variables (bug #59238).
Markus Mützel <markus.muetzel@gmx.de>
parents: 27957
diff changeset
39 // These functions take care of different line endings (LF, CR, CRLF)
cc287e633588 Always open files in binary mode for saving variables (bug #59238).
Markus Mützel <markus.muetzel@gmx.de>
parents: 27957
diff changeset
40 // when files were opened in text mode for writing and are now opened in
cc287e633588 Always open files in binary mode for saving variables (bug #59238).
Markus Mützel <markus.muetzel@gmx.de>
parents: 27957
diff changeset
41 // binary mode for reading.
cc287e633588 Always open files in binary mode for saving variables (bug #59238).
Markus Mützel <markus.muetzel@gmx.de>
parents: 27957
diff changeset
42 // Even though we no longer store files in text mode, keep this logic
cc287e633588 Always open files in binary mode for saving variables (bug #59238).
Markus Mützel <markus.muetzel@gmx.de>
parents: 27957
diff changeset
43 // to allow loading older files that might have CRLF or CR line endings.
8946
e7e928088e90 fix CRLF issues with text-mode reading in windows when loading ascii data
Benjamin Lindner <lindnerb@users.sourceforge.net>
parents:
diff changeset
44
e7e928088e90 fix CRLF issues with text-mode reading in windows when loading ascii data
Benjamin Lindner <lindnerb@users.sourceforge.net>
parents:
diff changeset
45 // Skip characters from stream IS until a newline is reached.
e7e928088e90 fix CRLF issues with text-mode reading in windows when loading ascii data
Benjamin Lindner <lindnerb@users.sourceforge.net>
parents:
diff changeset
46 // Depending on KEEP_NEWLINE, either eat newline from stream or
e7e928088e90 fix CRLF issues with text-mode reading in windows when loading ascii data
Benjamin Lindner <lindnerb@users.sourceforge.net>
parents:
diff changeset
47 // keep it unread.
e7e928088e90 fix CRLF issues with text-mode reading in windows when loading ascii data
Benjamin Lindner <lindnerb@users.sourceforge.net>
parents:
diff changeset
48
e7e928088e90 fix CRLF issues with text-mode reading in windows when loading ascii data
Benjamin Lindner <lindnerb@users.sourceforge.net>
parents:
diff changeset
49 void
e7e928088e90 fix CRLF issues with text-mode reading in windows when loading ascii data
Benjamin Lindner <lindnerb@users.sourceforge.net>
parents:
diff changeset
50 skip_until_newline (std::istream& is, bool keep_newline)
e7e928088e90 fix CRLF issues with text-mode reading in windows when loading ascii data
Benjamin Lindner <lindnerb@users.sourceforge.net>
parents:
diff changeset
51 {
e7e928088e90 fix CRLF issues with text-mode reading in windows when loading ascii data
Benjamin Lindner <lindnerb@users.sourceforge.net>
parents:
diff changeset
52 if (! is)
e7e928088e90 fix CRLF issues with text-mode reading in windows when loading ascii data
Benjamin Lindner <lindnerb@users.sourceforge.net>
parents:
diff changeset
53 return;
11586
12df7854fa7c strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 11523
diff changeset
54
8946
e7e928088e90 fix CRLF issues with text-mode reading in windows when loading ascii data
Benjamin Lindner <lindnerb@users.sourceforge.net>
parents:
diff changeset
55 while (is)
e7e928088e90 fix CRLF issues with text-mode reading in windows when loading ascii data
Benjamin Lindner <lindnerb@users.sourceforge.net>
parents:
diff changeset
56 {
e7e928088e90 fix CRLF issues with text-mode reading in windows when loading ascii data
Benjamin Lindner <lindnerb@users.sourceforge.net>
parents:
diff changeset
57 char c = is.peek ();
e7e928088e90 fix CRLF issues with text-mode reading in windows when loading ascii data
Benjamin Lindner <lindnerb@users.sourceforge.net>
parents:
diff changeset
58
e7e928088e90 fix CRLF issues with text-mode reading in windows when loading ascii data
Benjamin Lindner <lindnerb@users.sourceforge.net>
parents:
diff changeset
59 if (c == '\n' || c == '\r')
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10160
diff changeset
60 {
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10160
diff changeset
61 // Reached newline.
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10160
diff changeset
62 if (! keep_newline)
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10160
diff changeset
63 {
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10160
diff changeset
64 // Eat the CR or LF character.
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10160
diff changeset
65 char d;
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10160
diff changeset
66 is.get (d);
11586
12df7854fa7c strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 11523
diff changeset
67
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10160
diff changeset
68 // Make sure that for binary-mode opened ascii files
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10160
diff changeset
69 // containing CRLF line endings we skip the LF after CR.
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10160
diff changeset
70 if (c == '\r' && is.peek () == '\n')
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10160
diff changeset
71 {
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10160
diff changeset
72 // Yes, LF following CR, eat it.
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10160
diff changeset
73 is.get (d);
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10160
diff changeset
74 }
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10160
diff changeset
75 }
11586
12df7854fa7c strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 11523
diff changeset
76
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10160
diff changeset
77 // Newline was found, and read from stream if
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10160
diff changeset
78 // keep_newline == true, so exit loop.
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10160
diff changeset
79 break;
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10160
diff changeset
80 }
8946
e7e928088e90 fix CRLF issues with text-mode reading in windows when loading ascii data
Benjamin Lindner <lindnerb@users.sourceforge.net>
parents:
diff changeset
81 else
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10160
diff changeset
82 {
27956
2310164737b3 fix many spelling errors (bug #57613)
John W. Eaton <jwe@octave.org>
parents: 26376
diff changeset
83 // No newline character peeked, so read it and proceed to next
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10160
diff changeset
84 // character.
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10160
diff changeset
85 char d;
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10160
diff changeset
86 is.get (d);
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10160
diff changeset
87 }
8946
e7e928088e90 fix CRLF issues with text-mode reading in windows when loading ascii data
Benjamin Lindner <lindnerb@users.sourceforge.net>
parents:
diff changeset
88 }
e7e928088e90 fix CRLF issues with text-mode reading in windows when loading ascii data
Benjamin Lindner <lindnerb@users.sourceforge.net>
parents:
diff changeset
89 }
e7e928088e90 fix CRLF issues with text-mode reading in windows when loading ascii data
Benjamin Lindner <lindnerb@users.sourceforge.net>
parents:
diff changeset
90
22022
278fc29b69ca maint: Eliminate unnecessary double newline blocks (only whitespace changes).
Rik <rik@octave.org>
parents: 21724
diff changeset
91 // If stream IS currently points to a newline (a leftover from a previous read)
278fc29b69ca maint: Eliminate unnecessary double newline blocks (only whitespace changes).
Rik <rik@octave.org>
parents: 21724
diff changeset
92 // then eat newline(s) until a non-newline character is found.
8946
e7e928088e90 fix CRLF issues with text-mode reading in windows when loading ascii data
Benjamin Lindner <lindnerb@users.sourceforge.net>
parents:
diff changeset
93
e7e928088e90 fix CRLF issues with text-mode reading in windows when loading ascii data
Benjamin Lindner <lindnerb@users.sourceforge.net>
parents:
diff changeset
94 void
e7e928088e90 fix CRLF issues with text-mode reading in windows when loading ascii data
Benjamin Lindner <lindnerb@users.sourceforge.net>
parents:
diff changeset
95 skip_preceeding_newline (std::istream& is)
e7e928088e90 fix CRLF issues with text-mode reading in windows when loading ascii data
Benjamin Lindner <lindnerb@users.sourceforge.net>
parents:
diff changeset
96 {
e7e928088e90 fix CRLF issues with text-mode reading in windows when loading ascii data
Benjamin Lindner <lindnerb@users.sourceforge.net>
parents:
diff changeset
97 if (! is)
e7e928088e90 fix CRLF issues with text-mode reading in windows when loading ascii data
Benjamin Lindner <lindnerb@users.sourceforge.net>
parents:
diff changeset
98 return;
11586
12df7854fa7c strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 11523
diff changeset
99
8946
e7e928088e90 fix CRLF issues with text-mode reading in windows when loading ascii data
Benjamin Lindner <lindnerb@users.sourceforge.net>
parents:
diff changeset
100 // Check whether IS currently points to newline character.
e7e928088e90 fix CRLF issues with text-mode reading in windows when loading ascii data
Benjamin Lindner <lindnerb@users.sourceforge.net>
parents:
diff changeset
101 char c = is.peek ();
e7e928088e90 fix CRLF issues with text-mode reading in windows when loading ascii data
Benjamin Lindner <lindnerb@users.sourceforge.net>
parents:
diff changeset
102
e7e928088e90 fix CRLF issues with text-mode reading in windows when loading ascii data
Benjamin Lindner <lindnerb@users.sourceforge.net>
parents:
diff changeset
103 if (c == '\n' || c == '\r')
e7e928088e90 fix CRLF issues with text-mode reading in windows when loading ascii data
Benjamin Lindner <lindnerb@users.sourceforge.net>
parents:
diff changeset
104 {
e7e928088e90 fix CRLF issues with text-mode reading in windows when loading ascii data
Benjamin Lindner <lindnerb@users.sourceforge.net>
parents:
diff changeset
105 // Yes, at newline.
e7e928088e90 fix CRLF issues with text-mode reading in windows when loading ascii data
Benjamin Lindner <lindnerb@users.sourceforge.net>
parents:
diff changeset
106 do
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10160
diff changeset
107 {
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10160
diff changeset
108 // Eat the CR or LF character.
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10160
diff changeset
109 char d;
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10160
diff changeset
110 is.get (d);
11586
12df7854fa7c strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 11523
diff changeset
111
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10160
diff changeset
112 // Make sure that for binary-mode opened ascii files
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10160
diff changeset
113 // containing CRLF line endings we skip the LF after CR.
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10160
diff changeset
114 if (c == '\r' && is.peek () == '\n')
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10160
diff changeset
115 {
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10160
diff changeset
116 // Yes, LF following CR, eat it.
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10160
diff changeset
117 is.get (d);
17787
175b392e91fe Use GNU style coding conventions for code in libinterp/
Rik <rik@octave.org>
parents: 17744
diff changeset
118 }
11586
12df7854fa7c strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 11523
diff changeset
119
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10160
diff changeset
120 // Peek into next character.
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10160
diff changeset
121 c = is.peek ();
8946
e7e928088e90 fix CRLF issues with text-mode reading in windows when loading ascii data
Benjamin Lindner <lindnerb@users.sourceforge.net>
parents:
diff changeset
122
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10160
diff changeset
123 // Loop while still a newline ahead.
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10160
diff changeset
124 }
8946
e7e928088e90 fix CRLF issues with text-mode reading in windows when loading ascii data
Benjamin Lindner <lindnerb@users.sourceforge.net>
parents:
diff changeset
125 while (c == '\n' || c == '\r');
e7e928088e90 fix CRLF issues with text-mode reading in windows when loading ascii data
Benjamin Lindner <lindnerb@users.sourceforge.net>
parents:
diff changeset
126 }
e7e928088e90 fix CRLF issues with text-mode reading in windows when loading ascii data
Benjamin Lindner <lindnerb@users.sourceforge.net>
parents:
diff changeset
127 }
e7e928088e90 fix CRLF issues with text-mode reading in windows when loading ascii data
Benjamin Lindner <lindnerb@users.sourceforge.net>
parents:
diff changeset
128
27956
2310164737b3 fix many spelling errors (bug #57613)
John W. Eaton <jwe@octave.org>
parents: 26376
diff changeset
129 // Read characters from stream IS until a newline is reached.
8946
e7e928088e90 fix CRLF issues with text-mode reading in windows when loading ascii data
Benjamin Lindner <lindnerb@users.sourceforge.net>
parents:
diff changeset
130 // Depending on KEEP_NEWLINE, either eat newline from stream or keep
e7e928088e90 fix CRLF issues with text-mode reading in windows when loading ascii data
Benjamin Lindner <lindnerb@users.sourceforge.net>
parents:
diff changeset
131 // it unread. Characters read are stored and returned as
e7e928088e90 fix CRLF issues with text-mode reading in windows when loading ascii data
Benjamin Lindner <lindnerb@users.sourceforge.net>
parents:
diff changeset
132 // std::string.
e7e928088e90 fix CRLF issues with text-mode reading in windows when loading ascii data
Benjamin Lindner <lindnerb@users.sourceforge.net>
parents:
diff changeset
133
e7e928088e90 fix CRLF issues with text-mode reading in windows when loading ascii data
Benjamin Lindner <lindnerb@users.sourceforge.net>
parents:
diff changeset
134 std::string
e7e928088e90 fix CRLF issues with text-mode reading in windows when loading ascii data
Benjamin Lindner <lindnerb@users.sourceforge.net>
parents:
diff changeset
135 read_until_newline (std::istream& is, bool keep_newline)
e7e928088e90 fix CRLF issues with text-mode reading in windows when loading ascii data
Benjamin Lindner <lindnerb@users.sourceforge.net>
parents:
diff changeset
136 {
e7e928088e90 fix CRLF issues with text-mode reading in windows when loading ascii data
Benjamin Lindner <lindnerb@users.sourceforge.net>
parents:
diff changeset
137 if (! is)
21017
93748bcaec17 maint: Replace emtpy 'std::string ()' calls with "".
Rik <rik@octave.org>
parents: 19697
diff changeset
138 return "";
11586
12df7854fa7c strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 11523
diff changeset
139
8946
e7e928088e90 fix CRLF issues with text-mode reading in windows when loading ascii data
Benjamin Lindner <lindnerb@users.sourceforge.net>
parents:
diff changeset
140 std::ostringstream buf;
11586
12df7854fa7c strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 11523
diff changeset
141
8946
e7e928088e90 fix CRLF issues with text-mode reading in windows when loading ascii data
Benjamin Lindner <lindnerb@users.sourceforge.net>
parents:
diff changeset
142 while (is)
e7e928088e90 fix CRLF issues with text-mode reading in windows when loading ascii data
Benjamin Lindner <lindnerb@users.sourceforge.net>
parents:
diff changeset
143 {
e7e928088e90 fix CRLF issues with text-mode reading in windows when loading ascii data
Benjamin Lindner <lindnerb@users.sourceforge.net>
parents:
diff changeset
144 char c = is.peek ();
e7e928088e90 fix CRLF issues with text-mode reading in windows when loading ascii data
Benjamin Lindner <lindnerb@users.sourceforge.net>
parents:
diff changeset
145
e7e928088e90 fix CRLF issues with text-mode reading in windows when loading ascii data
Benjamin Lindner <lindnerb@users.sourceforge.net>
parents:
diff changeset
146 if (c == '\n' || c == '\r')
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10160
diff changeset
147 {
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10160
diff changeset
148 // Reached newline.
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10160
diff changeset
149 if (! keep_newline)
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10160
diff changeset
150 {
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10160
diff changeset
151 // Eat the CR or LF character.
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10160
diff changeset
152 char d;
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10160
diff changeset
153 is.get (d);
11586
12df7854fa7c strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 11523
diff changeset
154
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10160
diff changeset
155 // Make sure that for binary-mode opened ascii files
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10160
diff changeset
156 // containing CRLF line endings we skip the LF after
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10160
diff changeset
157 // CR.
8946
e7e928088e90 fix CRLF issues with text-mode reading in windows when loading ascii data
Benjamin Lindner <lindnerb@users.sourceforge.net>
parents:
diff changeset
158
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10160
diff changeset
159 if (c == '\r' && is.peek () == '\n')
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10160
diff changeset
160 {
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10160
diff changeset
161 // Yes, LF following CR, eat it.
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10160
diff changeset
162 is.get (d);
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10160
diff changeset
163 }
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10160
diff changeset
164 }
11586
12df7854fa7c strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 11523
diff changeset
165
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10160
diff changeset
166 // Newline was found, and read from stream if
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10160
diff changeset
167 // keep_newline == true, so exit loop.
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10160
diff changeset
168 break;
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10160
diff changeset
169 }
8946
e7e928088e90 fix CRLF issues with text-mode reading in windows when loading ascii data
Benjamin Lindner <lindnerb@users.sourceforge.net>
parents:
diff changeset
170 else
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10160
diff changeset
171 {
27956
2310164737b3 fix many spelling errors (bug #57613)
John W. Eaton <jwe@octave.org>
parents: 26376
diff changeset
172 // No newline character peeked, so read it, store it, and
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10160
diff changeset
173 // proceed to next.
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10160
diff changeset
174 char d;
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10160
diff changeset
175 is.get (d);
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10160
diff changeset
176 buf << d;
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10160
diff changeset
177 }
8946
e7e928088e90 fix CRLF issues with text-mode reading in windows when loading ascii data
Benjamin Lindner <lindnerb@users.sourceforge.net>
parents:
diff changeset
178 }
11586
12df7854fa7c strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 11523
diff changeset
179
8946
e7e928088e90 fix CRLF issues with text-mode reading in windows when loading ascii data
Benjamin Lindner <lindnerb@users.sourceforge.net>
parents:
diff changeset
180 return buf.str ();
e7e928088e90 fix CRLF issues with text-mode reading in windows when loading ascii data
Benjamin Lindner <lindnerb@users.sourceforge.net>
parents:
diff changeset
181 }
30006
75dff8f2de2e move some load-save utilities to octave namespace
John W. Eaton <jwe@octave.org>
parents: 29358
diff changeset
182
31605
e88a07dec498 maint: Use macros to begin/end C++ namespaces.
Rik <rik@octave.org>
parents: 30564
diff changeset
183 OCTAVE_END_NAMESPACE(octave)