Mercurial > octave
annotate liboctave/system/oct-env.cc @ 21202:f7121e111991
maint: indent #ifdef blocks in liboctave and src directories.
* 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-voidp.cc, Array.cc, CColVector.cc, CDiagMatrix.cc, CMatrix.cc,
CNDArray.cc, CRowVector.cc, CSparse.cc, CSparse.h, DiagArray2.cc, MArray-C.cc,
MArray-d.cc, MArray-f.cc, MArray-fC.cc, MArray-i.cc, MArray-s.cc, MArray.cc,
MDiagArray2.cc, MSparse-C.cc, MSparse-d.cc, MSparse.h, MatrixType.cc,
PermMatrix.cc, Range.cc, Sparse-C.cc, Sparse-b.cc, Sparse-d.cc, Sparse.cc,
boolMatrix.cc, boolNDArray.cc, boolSparse.cc, chMatrix.cc, chNDArray.cc,
dColVector.cc, dDiagMatrix.cc, dMatrix.cc, dNDArray.cc, dRowVector.cc,
dSparse.cc, dSparse.h, dim-vector.cc, fCColVector.cc, fCDiagMatrix.cc,
fCMatrix.cc, fCNDArray.cc, fCRowVector.cc, fColVector.cc, fDiagMatrix.cc,
fMatrix.cc, fNDArray.cc, fRowVector.cc, idx-vector.cc, int16NDArray.cc,
int32NDArray.cc, int64NDArray.cc, int8NDArray.cc, intNDArray.cc,
uint16NDArray.cc, uint32NDArray.cc, uint64NDArray.cc, uint8NDArray.cc,
blaswrap.c, cquit.c, f77-extern.cc, f77-fcn.c, f77-fcn.h, lo-error.c, quit.cc,
quit.h, CmplxAEPBAL.cc, CmplxCHOL.cc, CmplxGEPBAL.cc, CmplxHESS.cc, CmplxLU.cc,
CmplxQR.cc, CmplxQRP.cc, CmplxSCHUR.cc, CmplxSVD.cc, CollocWt.cc, DASPK.cc,
DASRT.cc, DASSL.cc, EIG.cc, LSODE.cc, ODES.cc, Quad.cc, base-lu.cc, base-qr.cc,
dbleAEPBAL.cc, dbleCHOL.cc, dbleGEPBAL.cc, dbleHESS.cc, dbleLU.cc, dbleQR.cc,
dbleQRP.cc, dbleSCHUR.cc, dbleSVD.cc, eigs-base.cc, fCmplxAEPBAL.cc,
fCmplxCHOL.cc, fCmplxGEPBAL.cc, fCmplxHESS.cc, fCmplxLU.cc, fCmplxQR.cc,
fCmplxQRP.cc, fCmplxSCHUR.cc, fCmplxSVD.cc, fEIG.cc, floatAEPBAL.cc,
floatCHOL.cc, floatGEPBAL.cc, floatHESS.cc, floatLU.cc, floatQR.cc,
floatQRP.cc, floatSCHUR.cc, floatSVD.cc, lo-mappers.cc, lo-specfun.cc,
oct-convn.cc, oct-fftw.cc, oct-fftw.h, oct-norm.cc, oct-rand.cc,
oct-spparms.cc, randgamma.c, randmtzig.c, randpoisson.c, sparse-chol.cc,
sparse-dmsolve.cc, sparse-lu.cc, sparse-qr.cc, mx-defs.h, dir-ops.cc,
file-ops.cc, file-stat.cc, lo-sysdep.cc, mach-info.cc, oct-env.cc,
oct-group.cc, oct-openmp.h, oct-passwd.cc, oct-syscalls.cc, oct-time.cc,
oct-uname.cc, pathlen.h, sysdir.h, syswait.h, cmd-edit.cc, cmd-hist.cc,
data-conv.cc, f2c-main.c, glob-match.cc, lo-array-errwarn.cc,
lo-array-gripes.cc, lo-cutils.c, lo-cutils.h, lo-ieee.cc, lo-math.h,
lo-regexp.cc, lo-utils.cc, oct-base64.cc, oct-glob.cc, oct-inttypes.cc,
oct-inttypes.h, oct-locbuf.cc, oct-mutex.cc, oct-refcount.h, oct-rl-edit.c,
oct-rl-hist.c, oct-shlib.cc, oct-sort.cc, pathsearch.cc, singleton-cleanup.cc,
sparse-sort.cc, sparse-util.cc, statdefs.h, str-vec.cc, unwind-prot.cc,
url-transfer.cc, display-available.h, main-cli.cc, main-gui.cc, main.in.cc,
mkoctfile.in.cc, octave-config.in.cc, shared-fcns.h:
indent #ifdef blocks in liboctave and src directories.
| author | Rik <rik@octave.org> |
|---|---|
| date | Sat, 06 Feb 2016 06:40:13 -0800 |
| parents | 7cac4e7458f2 |
| children | 40de9f8f23a6 |
| rev | line source |
|---|---|
| 2926 | 1 /* |
| 2 | |
|
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3 Copyright (C) 1996-2015 John W. Eaton |
| 2926 | 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. | |
| 2926 | 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/>. | |
| 2926 | 20 |
| 21 */ | |
| 22 | |
| 23 /* | |
| 24 | |
| 25 The functions listed below were adapted from a similar functions | |
| 26 from GNU Bash, the Bourne Again SHell, copyright (C) 1987, 1989, 1991 | |
| 27 Free Software Foundation, Inc. | |
| 28 | |
| 29 octave_env::do_absolute_pathname | |
| 30 octave_env::do_base_pathname | |
| 31 octave_env::do_chdir | |
| 32 octave_env::do_getcwd | |
| 33 octave_env::do_make_absolute | |
| 34 octave_env::do_polite_directory_format | |
| 35 octave_env::pathname_backup | |
| 36 | |
|
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37 */ |
| 2926 | 38 |
| 39 #ifdef HAVE_CONFIG_H | |
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40 # include <config.h> |
| 2926 | 41 #endif |
| 42 | |
| 4093 | 43 #include <cctype> |
| 2926 | 44 #include <cstdlib> |
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45 #include <cstring> |
| 4093 | 46 |
| 3504 | 47 #include <string> |
| 2926 | 48 |
| 49 #include <sys/types.h> | |
| 50 #include <unistd.h> | |
| 51 | |
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52 #include "progname.h" |
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53 |
| 4097 | 54 #include "file-ops.h" |
| 2926 | 55 #include "lo-error.h" |
| 56 #include "lo-sysdep.h" | |
| 57 #include "lo-utils.h" | |
| 58 #include "oct-env.h" | |
| 2934 | 59 #include "oct-passwd.h" |
| 2947 | 60 #include "oct-syscalls.h" |
|
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61 #include "singleton-cleanup.h" |
| 2926 | 62 |
| 63 octave_env::octave_env (void) | |
| 64 : follow_symbolic_links (true), verbatim_pwd (true), | |
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65 current_directory (), prog_name (), prog_invocation_name (), |
| 2926 | 66 user_name (), host_name () |
| 67 { | |
| 68 // Get a real value for the current directory. | |
| 69 do_getcwd (); | |
| 70 | |
| 71 // Etc. | |
| 72 do_get_user_name (); | |
| 73 | |
| 74 do_get_host_name (); | |
| 75 } | |
| 76 | |
| 77 octave_env *octave_env::instance = 0; | |
| 78 | |
| 79 bool | |
| 80 octave_env::instance_ok (void) | |
| 81 { | |
| 82 bool retval = true; | |
| 83 | |
| 84 if (! instance) | |
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85 { |
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86 instance = new octave_env (); |
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87 |
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88 if (instance) |
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89 singleton_cleanup_list::add (cleanup_instance); |
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90 } |
| 2926 | 91 |
| 92 if (! instance) | |
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93 (*current_liboctave_error_handler) |
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94 ("unable to create current working directory object!"); |
| 2926 | 95 |
| 96 return retval; | |
| 97 } | |
| 98 | |
| 3504 | 99 std::string |
| 100 octave_env::polite_directory_format (const std::string& name) | |
| 2926 | 101 { |
| 102 return (instance_ok ()) | |
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103 ? instance->do_polite_directory_format (name) : ""; |
| 2926 | 104 } |
| 105 | |
| 106 bool | |
| 3504 | 107 octave_env::absolute_pathname (const std::string& s) |
| 2926 | 108 { |
| 109 return (instance_ok ()) | |
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110 ? instance->do_absolute_pathname (s) : false; |
| 2926 | 111 } |
| 112 | |
| 6838 | 113 bool |
| 114 octave_env::rooted_relative_pathname (const std::string& s) | |
| 115 { | |
| 116 return (instance_ok ()) | |
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117 ? instance->do_rooted_relative_pathname (s) : false; |
| 6838 | 118 } |
| 119 | |
| 3504 | 120 std::string |
| 121 octave_env::base_pathname (const std::string& s) | |
| 2926 | 122 { |
| 123 return (instance_ok ()) | |
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124 ? instance->do_base_pathname (s) : ""; |
| 2926 | 125 } |
| 126 | |
| 3504 | 127 std::string |
| 128 octave_env::make_absolute (const std::string& s, const std::string& dot_path) | |
| 2926 | 129 { |
| 130 return (instance_ok ()) | |
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131 ? instance->do_make_absolute (s, dot_path) : ""; |
| 2926 | 132 } |
| 133 | |
| 3504 | 134 std::string |
| 10250 | 135 octave_env::get_current_directory () |
| 2926 | 136 { |
| 137 return (instance_ok ()) | |
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138 ? instance->do_getcwd () : ""; |
| 2926 | 139 } |
| 140 | |
| 3504 | 141 std::string |
| 2926 | 142 octave_env::get_home_directory () |
| 143 { | |
| 144 return (instance_ok ()) | |
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145 ? instance->do_get_home_directory () : ""; |
| 2926 | 146 } |
| 147 | |
| 3504 | 148 std::string |
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149 octave_env::get_temp_directory () |
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150 { |
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151 return (instance_ok ()) |
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152 ? instance->do_get_temp_directory () : ""; |
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153 } |
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154 |
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155 std::string |
| 2926 | 156 octave_env::get_program_name (void) |
| 157 { | |
| 158 return (instance_ok ()) | |
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159 ? instance->prog_name : ""; |
| 2926 | 160 } |
| 161 | |
| 3504 | 162 std::string |
| 2926 | 163 octave_env::get_program_invocation_name (void) |
| 164 { | |
| 165 return (instance_ok ()) | |
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166 ? instance->prog_invocation_name : ""; |
| 2926 | 167 } |
| 168 | |
| 169 void | |
| 3504 | 170 octave_env::set_program_name (const std::string& s) |
| 2926 | 171 { |
| 172 if (instance_ok ()) | |
| 173 instance->do_set_program_name (s); | |
| 174 } | |
| 175 | |
| 3504 | 176 std::string |
| 2926 | 177 octave_env::get_user_name (void) |
| 178 { | |
| 179 return (instance_ok ()) | |
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180 ? instance->do_get_user_name () : ""; |
| 2926 | 181 } |
| 182 | |
| 3504 | 183 std::string |
| 2926 | 184 octave_env::get_host_name (void) |
| 185 { | |
| 186 return (instance_ok ()) | |
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187 ? instance->do_get_host_name () : ""; |
| 2926 | 188 } |
| 189 | |
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190 std::string |
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191 octave_env::do_get_temp_directory (void) const |
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192 { |
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193 std::string tempd; |
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194 |
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195 #if defined (__MINGW32__) || defined (_MSC_VER) |
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196 |
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197 tempd = do_getenv ("TEMP"); |
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198 |
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199 if (tempd.empty ()) |
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200 tempd = do_getenv ("TMP"); |
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201 |
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202 #if defined (P_tmpdir) |
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203 if (tempd.empty ()) |
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204 tempd = P_tmpdir; |
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205 #endif |
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206 |
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207 // Some versions of MinGW and MSVC either don't define P_tmpdir, or |
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208 // define it to a single backslash. In such cases just use C:\temp. |
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209 if (tempd.empty () || tempd == "\\") |
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210 tempd = "c:\\temp"; |
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211 |
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212 #else |
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213 |
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214 tempd = do_getenv ("TMP"); |
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215 |
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216 #if defined (P_tmpdir) |
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217 if (tempd.empty ()) |
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218 tempd = P_tmpdir; |
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219 #else |
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220 if (tempd.empty ()) |
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221 tempd = "/tmp"; |
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222 #endif |
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223 |
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224 #endif |
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225 |
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226 return tempd; |
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227 } |
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228 |
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229 // FIXME: this leaves no way to distinguish between a |
| 2926 | 230 // variable that is not set and one that is set to the empty string. |
| 231 // Is this a problem? | |
| 232 | |
| 3504 | 233 std::string |
| 234 octave_env::getenv (const std::string& name) | |
| 2926 | 235 { |
| 236 return (instance_ok ()) | |
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237 ? instance->do_getenv (name) : ""; |
| 2926 | 238 } |
| 239 | |
| 240 void | |
| 3504 | 241 octave_env::putenv (const std::string& name, const std::string& value) |
| 2926 | 242 { |
| 243 octave_putenv (name, value); | |
| 244 } | |
| 245 | |
| 246 bool | |
| 5489 | 247 octave_env::have_x11_display (void) |
| 248 { | |
| 249 std::string display = getenv ("DISPLAY"); | |
| 250 | |
| 251 return ! display.empty (); | |
| 252 } | |
| 253 | |
| 254 bool | |
| 3504 | 255 octave_env::chdir (const std::string& newdir) |
| 2926 | 256 { |
| 257 return (instance_ok ()) | |
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258 ? instance->do_chdir (newdir) : false; |
| 2926 | 259 } |
| 260 | |
| 261 void | |
| 3504 | 262 octave_env::do_set_program_name (const std::string& s) const |
| 2926 | 263 { |
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264 // For gnulib. |
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265 ::set_program_name (s.c_str ()); |
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266 |
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267 // Let gnulib strip off things like the "lt-" prefix from libtool. |
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268 prog_invocation_name = program_name; |
| 2926 | 269 |
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270 size_t pos |
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271 = prog_invocation_name.find_last_of (file_ops::dir_sep_chars ()); |
| 2926 | 272 |
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273 // Also keep a shortened version of the program name. |
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274 prog_name = (pos == std::string::npos) |
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275 ? prog_invocation_name : prog_invocation_name.substr (pos+1); |
| 2926 | 276 } |
| 277 | |
| 278 // Return a pretty pathname. If the first part of the pathname is the | |
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279 // same as $HOME, then replace that with '~'. |
| 2926 | 280 |
| 3504 | 281 std::string |
| 282 octave_env::do_polite_directory_format (const std::string& name) const | |
| 2926 | 283 { |
| 3504 | 284 std::string retval; |
| 2926 | 285 |
| 3504 | 286 std::string home_dir = do_get_home_directory (); |
| 2926 | 287 |
| 288 size_t len = home_dir.length (); | |
| 289 | |
| 3516 | 290 if (len > 1 && home_dir == name.substr (0, len) |
| 4097 | 291 && (name.length () == len || file_ops::is_dir_sep (name[len]))) |
| 2926 | 292 { |
| 293 retval = "~"; | |
| 294 retval.append (name.substr (len)); | |
| 295 } | |
| 296 else | |
| 297 retval = name; | |
| 298 | |
| 299 return retval; | |
| 300 } | |
| 301 | |
| 302 bool | |
| 3504 | 303 octave_env::do_absolute_pathname (const std::string& s) const |
| 2926 | 304 { |
| 4087 | 305 size_t len = s.length (); |
| 306 | |
| 307 if (len == 0) | |
| 308 return false; | |
| 2926 | 309 |
| 4097 | 310 if (file_ops::is_dir_sep (s[0])) |
| 2926 | 311 return true; |
| 312 | |
| 4101 | 313 #if defined (OCTAVE_HAVE_WINDOWS_FILESYSTEM) |
| 4088 | 314 if ((len == 2 && isalpha (s[0]) && s[1] == ':') |
| 4097 | 315 || (len > 2 && isalpha (s[0]) && s[1] == ':' |
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316 && file_ops::is_dir_sep (s[2]))) |
| 4087 | 317 return true; |
| 318 #endif | |
| 319 | |
| 2926 | 320 return false; |
| 321 } | |
| 322 | |
| 6838 | 323 bool |
| 324 octave_env::do_rooted_relative_pathname (const std::string& s) const | |
| 325 { | |
| 326 size_t len = s.length (); | |
| 327 | |
| 328 if (len == 0) | |
| 329 return false; | |
| 330 | |
| 331 if (len == 1 && s[0] == '.') | |
| 332 return true; | |
| 333 | |
| 334 if (len > 1 && s[0] == '.' && file_ops::is_dir_sep (s[1])) | |
| 335 return true; | |
| 336 | |
| 337 if (len == 2 && s[0] == '.' && s[1] == '.') | |
| 338 return true; | |
| 339 | |
| 340 if (len > 2 && s[0] == '.' && s[1] == '.' && file_ops::is_dir_sep (s[2])) | |
| 341 return true; | |
| 342 | |
| 343 return false; | |
| 344 } | |
| 345 | |
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346 // Return the 'basename' of the pathname in STRING (the stuff after |
| 4097 | 347 // the last directory separator). If STRING is not a full pathname, |
| 348 // simply return it. | |
| 2926 | 349 |
| 3504 | 350 std::string |
| 351 octave_env::do_base_pathname (const std::string& s) const | |
| 2926 | 352 { |
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353 if (! (do_absolute_pathname (s) || do_rooted_relative_pathname (s))) |
| 2926 | 354 return s; |
| 355 | |
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356 size_t pos = s.find_last_of (file_ops::dir_sep_chars ()); |
| 2926 | 357 |
| 8021 | 358 if (pos == std::string::npos) |
| 2926 | 359 return s; |
| 360 else | |
| 361 return s.substr (pos+1); | |
| 362 } | |
| 363 | |
| 364 // Turn STRING (a pathname) into an absolute pathname, assuming that | |
| 4097 | 365 // DOT_PATH contains the symbolic location of the current directory. |
| 2926 | 366 |
| 3504 | 367 std::string |
| 368 octave_env::do_make_absolute (const std::string& s, | |
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369 const std::string& dot_path) const |
| 2926 | 370 { |
| 4087 | 371 if (dot_path.empty () || s.empty () || do_absolute_pathname (s)) |
| 2926 | 372 return s; |
| 373 | |
| 4097 | 374 std::string current_dir = dot_path; |
| 2926 | 375 |
| 4097 | 376 if (current_dir.empty ()) |
| 377 current_dir = do_getcwd (); | |
| 2926 | 378 |
| 4097 | 379 size_t pos = current_dir.length () - 1; |
| 2926 | 380 |
| 4097 | 381 if (! file_ops::is_dir_sep (current_dir[pos])) |
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382 current_dir.append (file_ops::dir_sep_str ()); |
| 4097 | 383 |
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384 // FIXME: this is probably not correct for all systems. |
| 2926 | 385 |
| 386 size_t i = 0; | |
| 387 size_t slen = s.length (); | |
| 388 | |
| 389 while (i < slen) | |
| 390 { | |
| 391 if (s[i] == '.') | |
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392 { |
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393 if (i + 1 == slen) |
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394 return current_dir; |
| 2926 | 395 |
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396 if (file_ops::is_dir_sep (s[i+1])) |
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397 { |
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398 i += 2; |
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399 continue; |
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400 } |
| 2926 | 401 |
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402 if (s[i+1] == '.' |
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403 && (i + 2 == slen || file_ops::is_dir_sep (s[i+2]))) |
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404 { |
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405 i += 2; |
| 2926 | 406 |
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407 if (i != slen) |
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408 i++; |
| 2926 | 409 |
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410 pathname_backup (current_dir, 1); |
| 2926 | 411 |
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412 continue; |
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413 } |
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414 } |
| 2926 | 415 |
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416 size_t tmp = s.find_first_of (file_ops::dir_sep_chars (), i); |
| 2926 | 417 |
| 8021 | 418 if (tmp == std::string::npos) |
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419 { |
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420 current_dir.append (s, i, tmp-i); |
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421 break; |
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422 } |
| 2926 | 423 else |
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424 { |
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425 current_dir.append (s, i, tmp-i+1); |
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426 i = tmp + 1; |
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427 } |
| 2926 | 428 } |
| 429 | |
| 4097 | 430 return current_dir; |
| 2926 | 431 } |
| 432 | |
| 4097 | 433 // Return a string which is the current working directory. |
| 2926 | 434 |
| 3504 | 435 std::string |
| 4097 | 436 octave_env::do_getcwd () const |
| 2926 | 437 { |
| 438 if (! follow_symbolic_links) | |
| 439 current_directory = ""; | |
| 440 | |
| 441 if (verbatim_pwd || current_directory.empty ()) | |
| 442 current_directory = ::octave_getcwd (); | |
| 443 | |
| 444 return current_directory; | |
| 445 } | |
| 446 | |
| 447 // This value is not cached because it can change while Octave is | |
| 448 // running. | |
| 449 | |
| 3504 | 450 std::string |
| 2926 | 451 octave_env::do_get_home_directory (void) const |
| 452 { | |
| 3504 | 453 std::string hd = do_getenv ("HOME"); |
| 2926 | 454 |
| 6096 | 455 #if defined (__MINGW32__) || defined (_MSC_VER) |
| 456 // Maybe we are started directly from cmd.exe. | |
| 5451 | 457 if (hd.empty ()) |
| 5454 | 458 { |
| 459 std::string drv = do_getenv ("HOMEDRIVE"); | |
| 460 if (drv.empty ()) | |
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461 hd = do_getenv ("HOMEPATH"); |
| 5454 | 462 else |
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463 hd = drv + do_getenv ("HOMEPATH"); |
| 5454 | 464 } |
| 5451 | 465 #endif |
| 466 | |
| 2947 | 467 if (hd.empty ()) |
| 468 { | |
| 469 octave_passwd pw = octave_passwd::getpwuid (octave_syscalls::getuid ()); | |
| 470 | |
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471 hd = pw ? pw.dir () : std::string (file_ops::dir_sep_str ()); |
| 2947 | 472 } |
| 473 | |
| 474 return hd; | |
| 2926 | 475 } |
| 476 | |
| 3504 | 477 std::string |
| 2926 | 478 octave_env::do_get_user_name (void) const |
| 479 { | |
| 480 if (user_name.empty ()) | |
| 481 { | |
| 2947 | 482 octave_passwd pw = octave_passwd::getpwuid (octave_syscalls::getuid ()); |
| 2926 | 483 |
| 3504 | 484 user_name = pw ? pw.name () : std::string ("unknown"); |
| 2926 | 485 } |
| 486 | |
| 487 return user_name; | |
| 488 } | |
| 489 | |
| 3504 | 490 std::string |
| 2926 | 491 octave_env::do_get_host_name (void) const |
| 492 { | |
| 493 if (host_name.empty ()) | |
| 494 { | |
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495 char hostname[1024]; |
| 2926 | 496 |
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497 int status = gnulib::gethostname (hostname, 1023); |
| 2926 | 498 |
| 3185 | 499 host_name = (status < 0) ? "unknown" : hostname; |
| 2926 | 500 } |
| 501 | |
| 502 return host_name; | |
| 503 } | |
| 504 | |
| 3504 | 505 std::string |
| 506 octave_env::do_getenv (const std::string& name) const | |
| 2926 | 507 { |
| 508 char *value = ::getenv (name.c_str ()); | |
| 509 | |
| 510 return value ? value : ""; | |
| 511 } | |
| 512 | |
| 513 // Do the work of changing to the directory NEWDIR. Handle symbolic | |
| 514 // link following, etc. | |
| 515 | |
| 516 bool | |
| 3504 | 517 octave_env::do_chdir (const std::string& newdir) |
| 2926 | 518 { |
| 519 bool retval = false; | |
| 520 | |
| 3504 | 521 std::string tmp; |
| 2926 | 522 |
| 523 if (follow_symbolic_links) | |
| 524 { | |
| 525 if (current_directory.empty ()) | |
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526 do_getcwd (); |
| 2926 | 527 |
| 528 if (current_directory.empty ()) | |
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529 tmp = newdir; |
| 2926 | 530 else |
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531 tmp = do_make_absolute (newdir, current_directory); |
| 2926 | 532 |
| 4097 | 533 // Get rid of trailing directory separator. |
| 2926 | 534 |
| 535 size_t len = tmp.length (); | |
| 536 | |
| 537 if (len > 1) | |
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538 { |
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539 if (file_ops::is_dir_sep (tmp[--len])) |
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John W. Eaton <jwe@octave.org>
parents:
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540 tmp.resize (len); |
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07ebe522dac2
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John W. Eaton <jwe@octave.org>
parents:
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541 } |
| 2926 | 542 |
| 543 if (! ::octave_chdir (tmp)) | |
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parents:
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544 { |
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John W. Eaton <jwe@octave.org>
parents:
10278
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545 current_directory = tmp; |
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07ebe522dac2
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John W. Eaton <jwe@octave.org>
parents:
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546 retval = true; |
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07ebe522dac2
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John W. Eaton <jwe@octave.org>
parents:
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547 } |
| 2926 | 548 } |
| 549 else | |
| 550 retval = (! ::octave_chdir (newdir)); | |
| 551 | |
| 552 return retval; | |
| 553 } | |
| 554 | |
| 555 // Remove the last N directories from PATH. | |
| 556 | |
| 557 void | |
| 3504 | 558 octave_env::pathname_backup (std::string& path, int n) const |
| 2926 | 559 { |
| 560 if (path.empty ()) | |
| 561 return; | |
| 562 | |
| 563 size_t i = path.length () - 1; | |
| 564 | |
| 565 while (n--) | |
| 566 { | |
| 4097 | 567 while (file_ops::is_dir_sep (path[i]) && i > 0) |
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parents:
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568 i--; |
| 2926 | 569 |
| 4097 | 570 while (! file_ops::is_dir_sep (path[i]) && i > 0) |
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John W. Eaton <jwe@octave.org>
parents:
10278
diff
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571 i--; |
| 2926 | 572 |
| 573 i++; | |
| 574 } | |
| 575 | |
| 576 path.resize (i); | |
| 577 } | |
| 578 | |
| 579 void | |
| 580 octave_env::error (int err_num) const | |
| 581 { | |
| 10411 | 582 (*current_liboctave_error_handler) ("%s", gnulib::strerror (err_num)); |
| 2926 | 583 } |
| 584 | |
| 585 void | |
| 3504 | 586 octave_env::error (const std::string& s) const |
| 2926 | 587 { |
| 588 (*current_liboctave_error_handler) ("%s", s.c_str ()); | |
| 589 } |