Mercurial > hg > octave-nkf
annotate src/ls-oct-ascii.h @ 8946:e7e928088e90
fix CRLF issues with text-mode reading in windows when loading ascii data
| author | Benjamin Lindner <lindnerb@users.sourceforge.net> |
|---|---|
| date | Tue, 10 Mar 2009 01:01:50 -0400 |
| parents | eb63fbe60fab |
| children | aabf7a8c2e57 |
| rev | line source |
|---|---|
| 4634 | 1 /* |
| 2 | |
| 8920 | 3 Copyright (C) 2003, 2004, 2005, 2006, 2007, 2008 John W. Eaton |
| 4634 | 4 |
| 5 This file is part of Octave. | |
| 6 | |
| 7 Octave is free software; you can redistribute it and/or modify it | |
| 8 under the terms of the GNU General Public License as published by the | |
| 7016 | 9 Free Software Foundation; either version 3 of the License, or (at your |
| 10 option) any later version. | |
| 4634 | 11 |
| 12 Octave is distributed in the hope that it will be useful, but WITHOUT | |
| 13 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
| 14 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
| 15 for more details. | |
| 16 | |
| 17 You should have received a copy of the GNU General Public License | |
| 7016 | 18 along with Octave; see the file COPYING. If not, see |
| 19 <http://www.gnu.org/licenses/>. | |
| 4634 | 20 |
| 21 */ | |
| 22 | |
| 23 #if !defined (octave_ls_oct_ascii_h) | |
| 24 #define octave_ls_oct_ascii_h 1 | |
| 25 | |
| 4687 | 26 #include <cfloat> |
| 27 | |
| 5765 | 28 #include <sstream> |
| 5099 | 29 #include <string> |
| 30 | |
| 31 #include "str-vec.h" | |
| 32 | |
|
8946
e7e928088e90
fix CRLF issues with text-mode reading in windows when loading ascii data
Benjamin Lindner <lindnerb@users.sourceforge.net>
parents:
8920
diff
changeset
|
33 #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:
8920
diff
changeset
|
34 |
| 4687 | 35 // Flag for cell elements |
| 36 #define CELL_ELT_TAG "<cell-element>" | |
| 37 | |
| 38 // Used when converting Inf to something that gnuplot can read. | |
| 39 | |
| 40 #ifndef OCT_RBV | |
| 41 #define OCT_RBV DBL_MAX / 100.0 | |
| 42 #endif | |
| 43 | |
| 6109 | 44 extern OCTINTERP_API std::string |
| 4687 | 45 extract_keyword (std::istream& is, const char *keyword, |
| 46 const bool next_only = false); | |
| 47 | |
| 6109 | 48 extern OCTINTERP_API std::string |
| 4634 | 49 read_ascii_data (std::istream& is, const std::string& filename, bool& global, |
| 5754 | 50 octave_value& tc, octave_idx_type count); |
| 4634 | 51 |
| 6109 | 52 extern OCTINTERP_API bool |
| 4634 | 53 save_ascii_data (std::ostream& os, const octave_value& val_arg, |
| 6974 | 54 const std::string& name, bool mark_as_global, int precision); |
| 4634 | 55 |
| 6109 | 56 extern OCTINTERP_API bool |
| 4634 | 57 save_ascii_data_for_plotting (std::ostream& os, const octave_value& t, |
| 58 const std::string& name); | |
| 59 | |
| 6109 | 60 extern OCTINTERP_API bool |
| 5958 | 61 save_three_d (std::ostream& os, const octave_value& t, |
| 62 bool parametric = false); | |
| 63 | |
| 5275 | 64 // Match KEYWORD on stream IS, placing the associated value in VALUE, |
| 65 // returning TRUE if successful and FALSE otherwise. | |
| 66 // | |
| 67 // Input should look something like: | |
| 68 // | |
| 69 // [%#][ \t]*keyword[ \t]*int-value.*\n | |
| 70 | |
| 71 template <class T> | |
| 72 bool | |
| 73 extract_keyword (std::istream& is, const char *keyword, T& value, | |
| 74 const bool next_only = false) | |
| 75 { | |
| 76 bool status = false; | |
|
8212
ebf6f6a0f9a7
Allow saving/loading of classes. Add saveobj and loadobj methods
David Bateman <dbateman@free.fr>
parents:
8087
diff
changeset
|
77 value = T(); |
| 5275 | 78 |
| 79 char c; | |
| 80 while (is.get (c)) | |
| 81 { | |
| 82 if (c == '%' || c == '#') | |
| 83 { | |
| 5765 | 84 std::ostringstream buf; |
| 5275 | 85 |
| 86 while (is.get (c) && (c == ' ' || c == '\t' || c == '%' || c == '#')) | |
| 87 ; // Skip whitespace and comment characters. | |
| 88 | |
| 89 if (isalpha (c)) | |
| 90 buf << c; | |
| 91 | |
| 92 while (is.get (c) && isalpha (c)) | |
| 93 buf << c; | |
| 94 | |
| 5765 | 95 std::string tmp = buf.str (); |
| 5679 | 96 bool match = (tmp.compare (0, strlen (keyword), keyword) == 0); |
| 5275 | 97 |
| 98 if (match) | |
| 99 { | |
| 100 while (is.get (c) && (c == ' ' || c == '\t' || c == ':')) | |
| 101 ; // Skip whitespace and the colon. | |
| 102 | |
| 103 is.putback (c); | |
|
8087
7d19f4f70c61
ls-oct-ascii.{h,cc} (extract_keyword): accept \r as line ending character
John W. Eaton <jwe@octave.org>
parents:
7017
diff
changeset
|
104 if (c != '\n' && c != '\r') |
| 5275 | 105 is >> value; |
| 106 if (is) | |
| 107 status = true; | |
|
8946
e7e928088e90
fix CRLF issues with text-mode reading in windows when loading ascii data
Benjamin Lindner <lindnerb@users.sourceforge.net>
parents:
8920
diff
changeset
|
108 skip_until_newline (is, false); |
| 5275 | 109 break; |
| 110 } | |
| 111 else if (next_only) | |
| 112 break; | |
| 113 } | |
| 114 } | |
| 115 return status; | |
| 116 } | |
| 117 | |
| 118 // Match one of the elements in KEYWORDS on stream IS, placing the | |
| 119 // matched keyword in KW and the associated value in VALUE, | |
| 120 // returning TRUE if successful and FALSE otherwise. | |
| 121 // | |
| 122 // Input should look something like: | |
| 123 // | |
| 124 // [%#][ \t]*keyword[ \t]*int-value.*\n | |
| 125 | |
| 126 template <class T> | |
| 127 bool | |
| 128 extract_keyword (std::istream& is, const string_vector& keywords, | |
| 129 std::string& kw, T& value, const bool next_only = false) | |
| 130 { | |
| 131 bool status = false; | |
| 132 kw = ""; | |
| 133 value = 0; | |
| 134 | |
| 135 char c; | |
| 136 while (is.get (c)) | |
| 137 { | |
| 138 if (c == '%' || c == '#') | |
| 139 { | |
| 5765 | 140 std::ostringstream buf; |
| 5275 | 141 |
| 142 while (is.get (c) && (c == ' ' || c == '\t' || c == '%' || c == '#')) | |
| 143 ; // Skip whitespace and comment characters. | |
| 144 | |
| 145 if (isalpha (c)) | |
| 146 buf << c; | |
| 147 | |
| 148 while (is.get (c) && isalpha (c)) | |
| 149 buf << c; | |
| 150 | |
| 5765 | 151 std::string tmp = buf.str (); |
| 5275 | 152 |
| 153 for (int i = 0; i < keywords.length (); i++) | |
| 154 { | |
| 155 int match = (tmp == keywords[i]); | |
| 156 | |
| 157 if (match) | |
| 158 { | |
| 159 kw = keywords[i]; | |
| 160 | |
| 161 while (is.get (c) && (c == ' ' || c == '\t' || c == ':')) | |
| 162 ; // Skip whitespace and the colon. | |
| 163 | |
| 164 is.putback (c); | |
|
8087
7d19f4f70c61
ls-oct-ascii.{h,cc} (extract_keyword): accept \r as line ending character
John W. Eaton <jwe@octave.org>
parents:
7017
diff
changeset
|
165 if (c != '\n' && c != '\r') |
| 5275 | 166 is >> value; |
| 167 if (is) | |
| 168 status = true; | |
|
8946
e7e928088e90
fix CRLF issues with text-mode reading in windows when loading ascii data
Benjamin Lindner <lindnerb@users.sourceforge.net>
parents:
8920
diff
changeset
|
169 skip_until_newline (is, false); |
| 5275 | 170 return status; |
| 171 } | |
| 172 } | |
| 173 | |
| 174 if (next_only) | |
| 175 break; | |
| 176 } | |
| 177 } | |
| 178 return status; | |
| 179 } | |
| 180 | |
| 4634 | 181 #endif |
| 182 | |
| 183 /* | |
| 184 ;;; Local Variables: *** | |
| 185 ;;; mode: C++ *** | |
| 186 ;;; End: *** | |
| 187 */ | |
| 188 |