Mercurial > hg > octave-nkf
annotate src/ov-struct.cc @ 8587:35656d6ad061
properly reshape cs-lists assigned to struct & cells
| author | Jaroslav Hajek <highegg@gmail.com> |
|---|---|
| date | Sat, 24 Jan 2009 21:27:07 +0100 |
| parents | 188d38a553c7 |
| children | 280fae940bb0 |
| rev | line source |
|---|---|
| 2376 | 1 /* |
| 2 | |
| 7017 | 3 Copyright (C) 1996, 1997, 1998, 2000, 2002, 2003, 2004, 2005, 2006, |
| 4 2007 John W. Eaton | |
| 2376 | 5 |
| 6 This file is part of Octave. | |
| 7 | |
| 8 Octave is free software; you can redistribute it and/or modify it | |
| 9 under the terms of the GNU General Public License as published by the | |
| 7016 | 10 Free Software Foundation; either version 3 of the License, or (at your |
| 11 option) any later version. | |
| 2376 | 12 |
| 13 Octave is distributed in the hope that it will be useful, but WITHOUT | |
| 14 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
| 15 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
| 16 for more details. | |
| 17 | |
| 18 You should have received a copy of the GNU General Public License | |
| 7016 | 19 along with Octave; see the file COPYING. If not, see |
| 20 <http://www.gnu.org/licenses/>. | |
| 2376 | 21 |
| 22 */ | |
| 23 | |
| 24 #ifdef HAVE_CONFIG_H | |
| 25 #include <config.h> | |
| 26 #endif | |
| 27 | |
| 3503 | 28 #include <iostream> |
| 2376 | 29 |
| 3933 | 30 #include "Cell.h" |
| 4358 | 31 #include "defun.h" |
| 2376 | 32 #include "error.h" |
| 4358 | 33 #include "gripes.h" |
| 2979 | 34 #include "oct-lvalue.h" |
| 3932 | 35 #include "ov-list.h" |
| 2376 | 36 #include "ov-struct.h" |
| 37 #include "unwind-prot.h" | |
| 6811 | 38 #include "utils.h" |
| 2948 | 39 #include "variables.h" |
| 2376 | 40 |
| 4750 | 41 #include "Array-util.h" |
|
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42 #include "oct-locbuf.h" |
| 4750 | 43 |
| 4687 | 44 #include "byte-swap.h" |
| 45 #include "ls-oct-ascii.h" | |
| 46 #include "ls-oct-binary.h" | |
| 47 #include "ls-hdf5.h" | |
| 48 #include "ls-utils.h" | |
| 5759 | 49 #include "pr-output.h" |
| 4687 | 50 |
| 3219 | 51 DEFINE_OCTAVE_ALLOCATOR(octave_struct); |
| 2376 | 52 |
| 4612 | 53 DEFINE_OV_TYPEID_FUNCTIONS_AND_DATA(octave_struct, "struct", "struct"); |
| 2376 | 54 |
| 4513 | 55 Cell |
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56 octave_struct::dotref (const octave_value_list& idx, bool auto_add) |
| 2962 | 57 { |
| 4513 | 58 Cell retval; |
| 3933 | 59 |
| 60 assert (idx.length () == 1); | |
| 2962 | 61 |
| 3933 | 62 std::string nm = idx(0).string_value (); |
| 63 | |
| 4219 | 64 Octave_map::const_iterator p = map.seek (nm); |
| 2376 | 65 |
| 4219 | 66 if (p != map.end ()) |
| 3933 | 67 retval = map.contents (p); |
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68 else if (auto_add) |
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69 retval = (numel () == 0) ? Cell (dim_vector (1)) : Cell (dims ()); |
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70 else |
| 2376 | 71 error ("structure has no member `%s'", nm.c_str ()); |
| 72 | |
| 73 return retval; | |
| 74 } | |
| 75 | |
| 4513 | 76 #if 0 |
| 3933 | 77 static void |
| 78 gripe_invalid_index (void) | |
| 79 { | |
| 80 error ("invalid index for structure array"); | |
| 81 } | |
| 4513 | 82 #endif |
| 3933 | 83 |
| 84 static void | |
| 85 gripe_invalid_index_for_assignment (void) | |
| 86 { | |
| 87 error ("invalid index for structure array assignment"); | |
| 88 } | |
| 89 | |
| 90 static void | |
| 91 gripe_invalid_index_type (const std::string& nm, char t) | |
| 92 { | |
| 93 error ("%s cannot be indexed with %c", nm.c_str (), t); | |
| 94 } | |
| 95 | |
| 96 static void | |
| 97 gripe_failed_assignment (void) | |
| 98 { | |
| 99 error ("assignment to structure element failed"); | |
| 100 } | |
| 101 | |
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102 octave_value_list |
| 4247 | 103 octave_struct::subsref (const std::string& type, |
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104 const std::list<octave_value_list>& idx, |
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105 int nargout) |
| 3933 | 106 { |
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107 octave_value_list retval; |
| 3933 | 108 |
| 109 int skip = 1; | |
| 110 | |
| 111 switch (type[0]) | |
| 112 { | |
| 113 case '(': | |
| 114 { | |
| 115 if (type.length () > 1 && type[1] == '.') | |
| 116 { | |
| 4219 | 117 std::list<octave_value_list>::const_iterator p = idx.begin (); |
| 118 octave_value_list key_idx = *++p; | |
| 3933 | 119 |
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120 const Cell tmp = dotref (key_idx); |
| 3933 | 121 |
| 122 if (! error_state) | |
| 123 { | |
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124 const Cell t = tmp.index (idx.front ()); |
| 3933 | 125 |
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126 retval(0) = (t.length () == 1) ? t(0) : octave_value (t, true); |
| 3933 | 127 |
| 4513 | 128 // We handled two index elements, so tell |
| 129 // next_subsref to skip both of them. | |
| 3933 | 130 |
| 4513 | 131 skip++; |
| 3933 | 132 } |
| 133 } | |
| 134 else | |
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135 retval(0) = map.index (idx.front ()); |
| 3933 | 136 } |
| 137 break; | |
| 138 | |
| 139 case '.': | |
| 140 { | |
| 5592 | 141 if (map.numel() > 0) |
| 142 { | |
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143 const Cell t = dotref (idx.front ()); |
| 3933 | 144 |
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145 retval(0) = (t.length () == 1) ? t(0) : octave_value (t, true); |
| 5592 | 146 } |
| 3933 | 147 } |
| 148 break; | |
| 149 | |
| 150 case '{': | |
| 151 gripe_invalid_index_type (type_name (), type[0]); | |
| 152 break; | |
| 153 | |
| 154 default: | |
| 155 panic_impossible (); | |
| 156 } | |
| 157 | |
| 5775 | 158 // FIXME -- perhaps there should be an |
| 4994 | 159 // octave_value_list::next_subsref member function? See also |
| 160 // octave_user_function::subsref. | |
| 161 | |
| 162 if (idx.size () > 1) | |
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163 retval = retval(0).next_subsref (nargout, type, idx, skip); |
| 3933 | 164 |
| 165 return retval; | |
| 166 } | |
| 167 | |
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168 octave_value |
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169 octave_struct::subsref (const std::string& type, |
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170 const std::list<octave_value_list>& idx, |
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171 bool auto_add) |
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172 { |
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173 octave_value retval; |
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174 |
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175 int skip = 1; |
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176 |
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177 switch (type[0]) |
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178 { |
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179 case '(': |
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180 { |
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181 if (type.length () > 1 && type[1] == '.') |
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182 { |
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183 std::list<octave_value_list>::const_iterator p = idx.begin (); |
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184 octave_value_list key_idx = *++p; |
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185 |
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186 const Cell tmp = dotref (key_idx, auto_add); |
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187 |
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188 if (! error_state) |
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189 { |
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190 const Cell t = tmp.index (idx.front (), auto_add); |
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191 |
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192 retval = (t.length () == 1) ? t(0) : octave_value (t, true); |
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193 |
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194 // We handled two index elements, so tell |
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195 // next_subsref to skip both of them. |
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196 |
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197 skip++; |
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198 } |
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199 } |
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200 else |
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201 retval = map.index (idx.front (), auto_add); |
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202 } |
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203 break; |
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204 |
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205 case '.': |
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206 { |
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207 if (map.numel() > 0) |
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208 { |
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209 const Cell t = dotref (idx.front (), auto_add); |
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210 |
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211 retval = (t.length () == 1) ? t(0) : octave_value (t, true); |
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212 } |
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213 } |
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214 break; |
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215 |
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216 case '{': |
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217 gripe_invalid_index_type (type_name (), type[0]); |
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218 break; |
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219 |
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220 default: |
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221 panic_impossible (); |
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222 } |
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223 |
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224 // FIXME -- perhaps there should be an |
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225 // octave_value_list::next_subsref member function? See also |
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226 // octave_user_function::subsref. |
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227 |
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228 if (idx.size () > 1) |
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229 retval = retval.next_subsref (auto_add, type, idx, skip); |
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230 |
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231 return retval; |
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232 } |
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233 |
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234 /* |
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235 %!test |
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236 %! x(1).a.a = 1; x(2).a.a = 2; |
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237 %! assert (size (x), [1, 2]); |
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238 %! assert (x(1).a.a, 1); |
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239 %! assert (x(2).a.a, 2); |
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240 */ |
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241 |
| 3933 | 242 octave_value |
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243 octave_struct::numeric_conv (const octave_value& val, |
| 3933 | 244 const std::string& type) |
| 245 { | |
| 246 octave_value retval; | |
| 247 | |
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248 if (type.length () > 0 && type[0] == '.' && ! val.is_map ()) |
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249 retval = Octave_map (); |
| 3933 | 250 else |
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251 retval = val; |
| 3933 | 252 |
| 253 return retval; | |
| 254 } | |
| 255 | |
| 256 octave_value | |
| 4247 | 257 octave_struct::subsasgn (const std::string& type, |
| 4219 | 258 const std::list<octave_value_list>& idx, |
| 3933 | 259 const octave_value& rhs) |
| 2376 | 260 { |
| 3933 | 261 octave_value retval; |
| 262 | |
| 263 int n = type.length (); | |
| 264 | |
| 265 octave_value t_rhs = rhs; | |
| 266 | |
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267 // This is handy for calling const methods of map. |
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268 const Octave_map& cmap = const_cast<const Octave_map &> (map); |
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269 |
| 3933 | 270 if (n > 1 && ! (type.length () == 2 && type[0] == '(' && type[1] == '.')) |
| 271 { | |
| 272 switch (type[0]) | |
| 273 { | |
| 274 case '(': | |
| 275 { | |
| 276 if (type.length () > 1 && type[1] == '.') | |
| 277 { | |
| 4219 | 278 std::list<octave_value_list>::const_iterator p = idx.begin (); |
| 279 octave_value_list t_idx = *p; | |
| 3933 | 280 |
| 4513 | 281 octave_value_list key_idx = *++p; |
| 282 | |
| 283 assert (key_idx.length () == 1); | |
| 3933 | 284 |
| 4513 | 285 std::string key = key_idx(0).string_value (); |
| 3933 | 286 |
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287 std::list<octave_value_list> next_idx (idx); |
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288 |
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289 // We handled two index elements, so subsasgn to |
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290 // needs to skip both of them. |
| 3933 | 291 |
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292 next_idx.erase (next_idx.begin ()); |
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293 next_idx.erase (next_idx.begin ()); |
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294 |
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295 std::string next_type = type.substr (2); |
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296 |
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297 // cast map to const reference to avoid forced key insertion. |
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298 Cell tmpc = cmap.contents (key).index (idx.front (), true); |
| 3933 | 299 |
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300 // FIXME: better code reuse? cf. octave_cell::subsasgn and the case below. |
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301 if (! error_state) |
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302 { |
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303 if (tmpc.numel () == 1) |
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304 { |
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305 octave_value tmp = tmpc(0); |
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306 tmpc = Cell (); |
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307 |
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308 if (! tmp.is_defined () || tmp.is_zero_by_zero ()) |
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309 { |
| 8564 | 310 tmp = octave_value::empty_conv (next_type, rhs); |
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311 tmp.make_unique (); // probably a no-op. |
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312 } |
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313 else |
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314 // optimization: ignore the copy still stored inside our map. |
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315 tmp.make_unique (1); |
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316 |
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317 if (! error_state) |
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318 t_rhs = tmp.subsasgn (next_type, next_idx, rhs); |
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319 } |
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320 else |
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321 gripe_indexed_cs_list (); |
| 3933 | 322 } |
| 323 } | |
| 324 else | |
| 325 gripe_invalid_index_for_assignment (); | |
| 326 } | |
| 327 break; | |
| 328 | |
| 329 case '.': | |
| 330 { | |
| 331 octave_value_list key_idx = idx.front (); | |
| 332 | |
| 333 assert (key_idx.length () == 1); | |
| 334 | |
| 335 std::string key = key_idx(0).string_value (); | |
| 336 | |
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337 std::list<octave_value_list> next_idx (idx); |
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338 |
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339 next_idx.erase (next_idx.begin ()); |
| 3933 | 340 |
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341 std::string next_type = type.substr (1); |
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342 |
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343 Cell tmpc (1, 1); |
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344 if (map.contains (key)) tmpc = cmap.contents (key); |
| 3933 | 345 |
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346 // FIXME: better code reuse? |
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347 if (! error_state) |
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348 { |
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349 if (tmpc.numel () == 1) |
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350 { |
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351 octave_value tmp = tmpc(0); |
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352 tmpc = Cell (); |
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353 |
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354 if (! tmp.is_defined () || tmp.is_zero_by_zero ()) |
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355 { |
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356 tmp = octave_value::empty_conv (next_type, rhs); |
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357 tmp.make_unique (); // probably a no-op. |
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358 } |
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359 else |
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360 // optimization: ignore the copy still stored inside our map. |
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361 tmp.make_unique (1); |
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362 |
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363 if (! error_state) |
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364 t_rhs = tmp.subsasgn (next_type, next_idx, rhs); |
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365 } |
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366 else |
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367 gripe_indexed_cs_list (); |
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368 } |
| 3933 | 369 } |
| 370 break; | |
| 371 | |
| 372 case '{': | |
| 373 gripe_invalid_index_type (type_name (), type[0]); | |
| 374 break; | |
| 375 | |
| 376 default: | |
| 377 panic_impossible (); | |
| 378 } | |
| 379 } | |
| 380 | |
| 381 if (! error_state) | |
| 382 { | |
| 383 switch (type[0]) | |
| 384 { | |
| 385 case '(': | |
| 386 { | |
| 387 if (n > 1 && type[1] == '.') | |
| 388 { | |
| 4219 | 389 std::list<octave_value_list>::const_iterator p = idx.begin (); |
| 390 octave_value_list key_idx = *++p; | |
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391 octave_value_list idxf = idx.front (); |
| 3933 | 392 |
| 393 assert (key_idx.length () == 1); | |
| 394 | |
| 395 std::string key = key_idx(0).string_value (); | |
| 396 | |
| 397 if (! error_state) | |
| 398 { | |
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399 if (t_rhs.is_cs_list ()) |
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400 { |
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401 Cell tmp_cell = Cell (t_rhs.list_value ()); |
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402 |
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403 // Inquire the proper shape of the RHS. |
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404 |
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405 dim_vector didx = dims ().redim (idxf.length ()); |
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406 for (octave_idx_type k = 0; k < idxf.length (); k++) |
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407 if (! idxf(k).is_magic_colon ()) didx(k) = idxf(k).numel (); |
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408 |
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409 if (didx.numel () == tmp_cell.numel ()) |
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410 tmp_cell = tmp_cell.reshape (didx); |
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411 |
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412 |
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413 map.assign (idxf, key, tmp_cell); |
| 3933 | 414 |
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415 if (! error_state) |
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416 { |
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417 count++; |
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418 retval = octave_value (this); |
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419 } |
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420 else |
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421 gripe_failed_assignment (); |
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422 } |
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423 else |
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424 { |
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425 // cast map to const reference to avoid forced key insertion. |
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426 if (idxf.all_scalars () |
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427 || cmap.contents (key).index (idxf, true).numel () == 1) |
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428 { |
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429 map.assign (idxf, key, t_rhs.storable_value ()); |
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430 if (! error_state) |
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431 { |
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432 count++; |
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433 retval = octave_value (this); |
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434 } |
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435 else |
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436 gripe_failed_assignment (); |
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437 } |
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438 else if (! error_state) |
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439 error ("invalid assignment to cs-list outside multiple assignment."); |
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440 } |
| 3933 | 441 } |
| 442 else | |
| 443 gripe_failed_assignment (); | |
| 444 } | |
| 445 else | |
| 4197 | 446 { |
| 5592 | 447 if (t_rhs.is_map()) |
| 4197 | 448 { |
| 5592 | 449 Octave_map rhs_map = t_rhs.map_value (); |
| 4197 | 450 |
| 451 if (! error_state) | |
| 5592 | 452 { |
| 453 map.assign (idx.front (), rhs_map); | |
| 454 | |
| 455 if (! error_state) | |
| 5759 | 456 { |
| 457 count++; | |
| 458 retval = octave_value (this); | |
| 459 } | |
| 5592 | 460 else |
| 461 gripe_failed_assignment (); | |
| 462 } | |
| 4197 | 463 else |
| 5592 | 464 error ("invalid structure assignment"); |
| 4197 | 465 } |
| 4513 | 466 else |
| 5592 | 467 { |
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468 if (t_rhs.is_null_value()) |
| 5592 | 469 { |
| 470 map.maybe_delete_elements (idx.front()); | |
| 471 | |
| 472 if (! error_state) | |
| 5759 | 473 { |
| 474 count++; | |
| 475 retval = octave_value (this); | |
| 476 } | |
| 5592 | 477 else |
| 478 gripe_failed_assignment (); | |
| 479 } | |
| 480 else | |
| 481 error ("invalid structure assignment"); | |
| 482 } | |
| 4197 | 483 } |
| 3933 | 484 } |
| 485 break; | |
| 486 | |
| 487 case '.': | |
| 488 { | |
| 489 octave_value_list key_idx = idx.front (); | |
| 490 | |
| 491 assert (key_idx.length () == 1); | |
| 492 | |
| 493 std::string key = key_idx(0).string_value (); | |
| 494 | |
| 6833 | 495 if (t_rhs.is_cs_list ()) |
| 496 { | |
| 497 Cell tmp_cell = Cell (t_rhs.list_value ()); | |
| 498 | |
| 7040 | 499 // The shape of the RHS is irrelevant, we just want |
| 500 // the number of elements to agree and to preserve the | |
| 501 // shape of the left hand side of the assignment. | |
| 502 | |
| 503 if (numel () == tmp_cell.numel ()) | |
| 504 tmp_cell = tmp_cell.reshape (dims ()); | |
| 6833 | 505 |
| 506 map.assign (key, tmp_cell); | |
| 507 } | |
| 508 else | |
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509 // Regularize a null matrix if stored into a struct component. |
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510 map.assign (key, t_rhs.storable_value ()); |
| 3933 | 511 |
| 512 if (! error_state) | |
| 5759 | 513 { |
| 514 count++; | |
| 515 retval = octave_value (this); | |
| 516 } | |
| 3933 | 517 else |
| 518 gripe_failed_assignment (); | |
| 519 } | |
| 520 break; | |
| 521 | |
| 522 case '{': | |
| 523 gripe_invalid_index_type (type_name (), type[0]); | |
| 524 break; | |
| 525 | |
| 526 default: | |
| 527 panic_impossible (); | |
| 528 } | |
| 529 } | |
| 530 else | |
| 531 gripe_failed_assignment (); | |
| 532 | |
| 533 return retval; | |
| 2376 | 534 } |
| 535 | |
| 7046 | 536 octave_value |
| 537 octave_struct::do_index_op (const octave_value_list& idx, bool resize_ok) | |
| 538 { | |
| 539 octave_value retval; | |
| 540 | |
| 541 octave_idx_type n_idx = idx.length (); | |
| 542 | |
| 543 int nd = map.ndims (); | |
| 544 | |
| 545 switch (n_idx) | |
| 546 { | |
| 547 case 0: | |
| 548 retval = map; | |
| 549 break; | |
| 550 | |
| 551 case 1: | |
| 552 { | |
| 553 idx_vector i = idx (0).index_vector (); | |
| 554 | |
| 555 if (! error_state) | |
| 556 retval = map.index (i, resize_ok, Cell::resize_fill_value ()); | |
| 557 } | |
| 558 break; | |
| 559 | |
| 560 default: | |
| 561 { | |
| 562 if (n_idx == 2 && nd == 2) | |
| 563 { | |
| 564 idx_vector i = idx (0).index_vector (); | |
| 565 | |
| 566 if (! error_state) | |
| 567 { | |
| 568 idx_vector j = idx (1).index_vector (); | |
| 569 | |
| 570 if (! error_state) | |
| 571 retval = map.index (i, j, resize_ok, | |
| 572 Cell::resize_fill_value ()); | |
| 573 } | |
| 574 } | |
| 575 else | |
| 576 { | |
| 577 Array<idx_vector> idx_vec (n_idx); | |
| 578 | |
| 579 for (octave_idx_type i = 0; i < n_idx; i++) | |
| 580 { | |
| 581 idx_vec(i) = idx(i).index_vector (); | |
| 582 | |
| 583 if (error_state) | |
| 584 break; | |
| 585 } | |
| 586 | |
| 587 if (! error_state) | |
| 588 retval = map.index (idx_vec, resize_ok, | |
| 589 Cell::resize_fill_value ()); | |
| 590 } | |
| 591 } | |
| 592 break; | |
| 593 } | |
| 594 | |
| 595 return retval; | |
| 596 } | |
| 597 | |
| 4791 | 598 size_t |
| 599 octave_struct::byte_size (void) const | |
| 600 { | |
| 601 // Neglect the size of the fieldnames. | |
| 602 | |
| 603 size_t retval = 0; | |
| 604 | |
| 605 for (Octave_map::const_iterator p = map.begin (); p != map.end (); p++) | |
| 606 { | |
| 607 std::string key = map.key (p); | |
| 608 | |
| 609 octave_value val = octave_value (map.contents (p)); | |
| 610 | |
| 611 retval += val.byte_size (); | |
| 612 } | |
| 613 | |
| 614 return retval; | |
| 615 } | |
| 616 | |
| 2376 | 617 void |
| 3523 | 618 octave_struct::print (std::ostream& os, bool) const |
| 2901 | 619 { |
| 620 print_raw (os); | |
| 621 } | |
| 622 | |
| 623 void | |
| 3523 | 624 octave_struct::print_raw (std::ostream& os, bool) const |
| 2376 | 625 { |
| 2985 | 626 unwind_protect::begin_frame ("octave_struct_print"); |
| 2376 | 627 |
| 628 unwind_protect_int (Vstruct_levels_to_print); | |
| 629 | |
| 3961 | 630 if (Vstruct_levels_to_print >= 0) |
| 2376 | 631 { |
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632 bool print_keys_only = Vstruct_levels_to_print-- == 0; |
| 3961 | 633 |
| 2901 | 634 indent (os); |
| 635 os << "{"; | |
| 636 newline (os); | |
| 2376 | 637 |
| 2901 | 638 increment_indent_level (); |
| 2376 | 639 |
| 5598 | 640 octave_idx_type n = map.numel (); |
| 3932 | 641 |
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642 if (n != 1 || print_keys_only) |
| 4604 | 643 { |
| 644 indent (os); | |
| 645 dim_vector dv = dims (); | |
| 646 os << dv.str () << " struct array containing the fields:"; | |
| 647 newline (os); | |
| 648 newline (os); | |
| 649 | |
| 650 increment_indent_level (); | |
| 651 } | |
| 652 | |
| 5880 | 653 string_vector key_list = map.keys (); |
| 654 | |
| 655 for (octave_idx_type i = 0; i < key_list.length (); i++) | |
| 2376 | 656 { |
| 5880 | 657 std::string key = key_list[i]; |
| 658 | |
| 659 Cell val = map.contents (key); | |
| 2376 | 660 |
| 4499 | 661 octave_value tmp = (n == 1) ? val(0) : octave_value (val, true); |
| 3961 | 662 |
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663 if (n != 1 || print_keys_only) |
| 3932 | 664 { |
| 3961 | 665 indent (os); |
| 4604 | 666 os << key; |
| 667 if (n == 1) | |
| 668 { | |
| 669 dim_vector dv = tmp.dims (); | |
| 670 os << ": " << dv.str () << " " << tmp.type_name (); | |
| 671 } | |
| 3961 | 672 newline (os); |
| 3932 | 673 } |
| 3961 | 674 else |
| 4121 | 675 tmp.print_with_name (os, key); |
| 2376 | 676 } |
| 677 | |
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678 if (n != 1 || print_keys_only) |
| 4604 | 679 decrement_indent_level (); |
| 680 | |
| 2901 | 681 decrement_indent_level (); |
| 2376 | 682 |
| 2901 | 683 indent (os); |
| 684 os << "}"; | |
| 685 newline (os); | |
| 2376 | 686 } |
| 687 else | |
| 2901 | 688 { |
| 3961 | 689 indent (os); |
| 690 os << "<structure>"; | |
| 2901 | 691 newline (os); |
| 692 } | |
| 2376 | 693 |
| 2985 | 694 unwind_protect::run_frame ("octave_struct_print"); |
| 2376 | 695 } |
| 696 | |
| 2901 | 697 bool |
| 3523 | 698 octave_struct::print_name_tag (std::ostream& os, const std::string& name) const |
| 2901 | 699 { |
| 3961 | 700 bool retval = false; |
| 701 | |
| 2901 | 702 indent (os); |
| 3961 | 703 |
| 704 if (Vstruct_levels_to_print < 0) | |
| 705 os << name << " = "; | |
| 706 else | |
| 707 { | |
| 708 os << name << " ="; | |
| 709 newline (os); | |
| 710 retval = true; | |
| 711 } | |
| 712 | |
| 713 return retval; | |
| 2901 | 714 } |
| 715 | |
| 4744 | 716 static bool |
| 717 scalar (const dim_vector& dims) | |
| 718 { | |
| 719 return dims.length () == 2 && dims (0) == 1 && dims (1) == 1; | |
| 720 } | |
| 721 | |
| 722 /* | |
| 723 %!shared x | |
| 724 %! x(1).a=1; x(2).a=2; x(1).b=3; x(2).b=3; | |
| 725 %!assert(struct('a',1,'b',3),x(1)) | |
| 5592 | 726 %!assert(isempty(x([]))) |
| 727 %!assert(isempty(struct('a',{},'b',{}))) | |
| 4744 | 728 %!assert(struct('a',{1,2},'b',{3,3}),x) |
| 729 %!assert(struct('a',{1,2},'b',3),x) | |
| 730 %!assert(struct('a',{1,2},'b',{3}),x) | |
| 731 %!assert(struct('b',3,'a',{1,2}),x) | |
| 732 %!assert(struct('b',{3},'a',{1,2}),x) | |
| 733 %!test x=struct([]); | |
| 734 %!assert(size(x),[0,0]); | |
| 735 %!assert(isstruct(x)); | |
| 736 %!assert(isempty(fieldnames(x))); | |
| 737 %!fail("struct('a',{1,2},'b',{1,2,3})","dimensions of parameter 2 do not match those of parameter 4") | |
| 5582 | 738 %!fail("struct(1,2,3,4)","struct expects alternating \"field\", VALUE pairs"); |
| 739 %!fail("struct('1',2,'3')","struct expects alternating \"field\", VALUE pairs"); | |
| 4744 | 740 */ |
| 741 | |
| 742 DEFUN (struct, args, , | |
| 743 "-*- texinfo -*-\n\ | |
| 744 @deftypefn {Built-in Function} {} struct (\"field\", @var{value}, \"field\", @var{value}, @dots{})\n\ | |
| 745 \n\ | |
| 746 Create a structure and initialize its value.\n\ | |
| 747 \n\ | |
| 748 If the values are cell arrays, create a structure array and initialize\n\ | |
| 749 its values. The dimensions of each cell array of values must match.\n\ | |
| 750 Singleton cells and non-cell values are repeated so that they fill\n\ | |
| 751 the entire array. If the cells are empty, create an empty structure\n\ | |
| 4911 | 752 array with the specified field names.\n\ |
| 753 @end deftypefn") | |
| 4744 | 754 { |
| 6946 | 755 octave_value retval; |
| 4744 | 756 |
| 757 int nargin = args.length (); | |
| 758 | |
| 5444 | 759 // struct ([]) returns an empty struct. |
| 760 | |
| 761 // struct (empty_matrix) returns an empty struct with the same | |
| 762 // dimensions as the empty matrix. | |
| 763 | |
| 764 // Note that struct () creates a 1x1 struct with no fields for | |
| 765 // compatibility with Matlab. | |
| 4744 | 766 |
| 6946 | 767 if ((nargin == 1 || nargin == 2) |
| 768 && args(0).is_empty () && args(0).is_real_matrix ()) | |
| 769 { | |
| 770 Cell fields; | |
| 771 | |
| 772 if (nargin == 2) | |
| 773 { | |
| 774 if (args(1).is_cellstr ()) | |
| 775 retval = Octave_map (args(0).dims (), args(1).cell_value ()); | |
| 776 else | |
| 777 error ("struct: expecting cell array of field names as second argument"); | |
| 778 } | |
| 779 else | |
| 780 retval = Octave_map (args(0).dims ()); | |
| 781 | |
| 782 return retval; | |
| 783 } | |
| 4744 | 784 |
| 785 // Check for "field", VALUE pairs. | |
| 786 | |
| 787 for (int i = 0; i < nargin; i += 2) | |
| 788 { | |
| 789 if (! args(i).is_string () || i + 1 >= nargin) | |
| 790 { | |
| 791 error ("struct expects alternating \"field\", VALUE pairs"); | |
| 792 return retval; | |
| 793 } | |
| 794 } | |
| 795 | |
| 796 // Check that the dimensions of the values correspond. | |
| 797 | |
| 798 dim_vector dims (1, 1); | |
| 799 | |
| 800 int first_dimensioned_value = 0; | |
| 801 | |
| 802 for (int i = 1; i < nargin; i += 2) | |
| 803 { | |
| 804 if (args(i).is_cell ()) | |
| 805 { | |
| 806 dim_vector argdims (args(i).dims ()); | |
| 807 | |
| 808 if (! scalar (argdims)) | |
| 809 { | |
| 810 if (! first_dimensioned_value) | |
| 811 { | |
| 812 dims = argdims; | |
| 813 first_dimensioned_value = i + 1; | |
| 814 } | |
| 815 else if (dims != argdims) | |
| 816 { | |
| 817 error ("struct: dimensions of parameter %d do not match those of parameter %d", | |
| 818 first_dimensioned_value, i+1); | |
| 819 return retval; | |
| 820 } | |
| 821 } | |
| 822 } | |
| 823 } | |
| 824 | |
| 825 // Create the return value. | |
| 826 | |
| 827 Octave_map map (dims); | |
| 828 | |
| 829 for (int i = 0; i < nargin; i+= 2) | |
| 830 { | |
| 831 // Get key. | |
| 832 | |
| 833 std::string key (args(i).string_value ()); | |
| 834 | |
| 835 if (error_state) | |
| 836 return retval; | |
| 837 | |
| 6811 | 838 if (! valid_identifier (key)) |
| 839 { | |
| 840 error ("struct: invalid structure field name `%s'", key.c_str ()); | |
| 841 return retval; | |
| 842 } | |
| 843 | |
| 4744 | 844 // Value may be v, { v }, or { v1, v2, ... } |
| 845 // In the first two cases, we need to create a cell array of | |
| 846 // the appropriate dimensions filled with v. In the last case, | |
| 847 // the cell array has already been determined to be of the | |
| 848 // correct dimensions. | |
| 849 | |
| 850 if (args(i+1).is_cell ()) | |
| 851 { | |
| 852 const Cell c (args(i+1).cell_value ()); | |
| 853 | |
| 854 if (error_state) | |
| 855 return retval; | |
| 856 | |
| 857 if (scalar (c.dims ())) | |
| 858 map.assign (key, Cell (dims, c(0))); | |
| 859 else | |
| 860 map.assign (key, c); | |
| 861 } | |
| 862 else | |
| 863 map.assign (key, Cell (dims, args(i+1))); | |
| 864 | |
| 865 if (error_state) | |
| 866 return retval; | |
| 867 } | |
| 6946 | 868 |
| 4744 | 869 return octave_value (map); |
| 870 } | |
| 871 | |
| 4358 | 872 DEFUN (isstruct, args, , |
| 873 "-*- texinfo -*-\n\ | |
| 874 @deftypefn {Built-in Function} {} isstruct (@var{expr})\n\ | |
| 875 Return 1 if the value of the expression @var{expr} is a structure.\n\ | |
| 876 @end deftypefn") | |
| 877 { | |
| 878 octave_value retval; | |
| 879 | |
| 880 if (args.length () == 1) | |
| 881 retval = args(0).is_map (); | |
| 882 else | |
| 5823 | 883 print_usage (); |
| 4358 | 884 |
| 885 return retval; | |
| 886 } | |
| 887 | |
| 888 DEFUN (fieldnames, args, , | |
| 889 "-*- texinfo -*-\n\ | |
| 890 @deftypefn {Built-in Function} {} fieldnames (@var{struct})\n\ | |
| 891 Return a cell array of strings naming the elements of the structure\n\ | |
| 892 @var{struct}. It is an error to call @code{fieldnames} with an\n\ | |
| 893 argument that is not a structure.\n\ | |
| 894 @end deftypefn") | |
| 895 { | |
| 896 octave_value retval; | |
| 897 | |
| 898 int nargin = args.length (); | |
| 899 | |
| 900 if (nargin == 1) | |
| 901 { | |
| 7336 | 902 octave_value arg = args(0); |
| 903 | |
| 904 if (arg.is_map () || arg.is_object ()) | |
| 4358 | 905 { |
| 7336 | 906 Octave_map m = arg.map_value (); |
| 907 | |
| 4744 | 908 string_vector keys = m.keys (); |
| 7336 | 909 |
| 4744 | 910 if (keys.length () == 0) |
| 911 retval = Cell (0, 1); | |
| 912 else | |
| 913 retval = Cell (m.keys ()); | |
| 4358 | 914 } |
| 915 else | |
| 916 gripe_wrong_type_arg ("fieldnames", args(0)); | |
| 917 } | |
| 918 else | |
| 5823 | 919 print_usage (); |
| 4358 | 920 |
| 921 return retval; | |
| 922 } | |
| 923 | |
| 924 DEFUN (isfield, args, , | |
| 925 "-*- texinfo -*-\n\ | |
| 926 @deftypefn {Built-in Function} {} isfield (@var{expr}, @var{name})\n\ | |
| 927 Return true if the expression @var{expr} is a structure and it includes an\n\ | |
| 928 element named @var{name}. The first argument must be a structure and\n\ | |
| 929 the second must be a string.\n\ | |
| 930 @end deftypefn") | |
| 931 { | |
| 932 octave_value retval; | |
| 933 | |
| 934 int nargin = args.length (); | |
| 935 | |
| 936 if (nargin == 2) | |
| 937 { | |
| 938 retval = false; | |
| 939 | |
| 5775 | 940 // FIXME -- should this work for all types that can do |
| 4358 | 941 // structure reference operations? |
| 942 | |
| 943 if (args(0).is_map () && args(1).is_string ()) | |
| 944 { | |
| 945 std::string key = args(1).string_value (); | |
| 946 | |
| 947 Octave_map m = args(0).map_value (); | |
| 948 | |
| 949 retval = m.contains (key) != 0; | |
| 950 } | |
| 951 } | |
| 952 else | |
| 5823 | 953 print_usage (); |
| 4358 | 954 |
| 955 return retval; | |
| 956 } | |
| 957 | |
| 4750 | 958 // Check that the dimensions of the input arguments are correct. |
| 959 | |
| 960 static bool | |
| 961 cell2struct_check_args (const dim_vector& c_dv, const dim_vector& f_dv, | |
| 962 bool is_cell, int dim) | |
| 963 { | |
| 4751 | 964 bool retval = true; |
| 4750 | 965 |
| 966 if (dim >= 0 && dim < c_dv.length ()) | |
| 967 { | |
| 968 if (is_cell) | |
| 969 { | |
| 4752 | 970 if (f_dv.numel () != c_dv(dim)) |
| 4750 | 971 { |
| 4751 | 972 error ("cell2struct: numel (FIELD) != size (CELL, DIM)"); |
| 4750 | 973 |
| 974 retval = false; | |
| 975 } | |
| 976 } | |
| 977 else | |
| 978 { | |
| 979 if (f_dv.length () > 2) | |
| 980 { | |
| 4751 | 981 error ("cell2struct: field array must be a 2-d matrix"); |
| 4750 | 982 |
| 983 retval = false; | |
| 984 } | |
| 985 else if (f_dv(0) != c_dv(dim)) | |
| 986 { | |
| 4751 | 987 error ("cell2struct: size (FIELD, 1) != length (C, DIM)"); |
| 4750 | 988 |
| 989 retval = false; | |
| 990 } | |
| 991 } | |
| 992 } | |
| 993 else | |
| 994 { | |
| 995 error ("cell2struct: DIM out of range"); | |
| 996 | |
| 997 retval = false; | |
| 998 } | |
| 999 | |
| 1000 return retval; | |
| 1001 } | |
| 1002 | |
| 1003 static void | |
| 5275 | 1004 cell2struct_construct_idx (Array<octave_idx_type>& ra_idx1, |
| 1005 const Array<octave_idx_type>& ra_idx2, | |
| 1006 octave_idx_type dim, octave_idx_type fill_value) | |
| 4750 | 1007 { |
| 5275 | 1008 octave_idx_type iidx = 0; |
| 4750 | 1009 |
| 5275 | 1010 for (octave_idx_type idx = 0; idx < ra_idx1.length (); idx++) |
| 4750 | 1011 { |
| 1012 if (idx == dim) | |
| 1013 ra_idx1.elem (idx) = fill_value; | |
| 1014 else | |
| 1015 ra_idx1.elem (idx) = ra_idx2(iidx++); | |
| 1016 } | |
| 1017 } | |
| 1018 | |
| 1019 DEFUN (cell2struct, args, , | |
| 1020 "-*- texinfo -*-\n\ | |
| 4817 | 1021 @deftypefn {Built-in Function} {} cell2struct (@var{cell}, @var{fields}, @var{dim})\n\ |
| 1022 Convert @var{cell} to a structure. The number of fields in @var{fields}\n\ | |
| 1023 must match the number of elements in @var{cell} along dimension @var{dim},\n\ | |
| 1024 that is @code{numel (@var{fields}) == size (@var{cell}, @var{dim})}.\n\ | |
| 4750 | 1025 \n\ |
| 1026 @example\n\ | |
| 1027 @group\n\ | |
| 7031 | 1028 A = cell2struct (@{'Peter', 'Hannah', 'Robert';\n\ |
| 1029 185, 170, 168@},\n\ | |
| 6519 | 1030 @{'Name','Height'@}, 1);\n\ |
| 4750 | 1031 A(1)\n\ |
| 1032 @result{} ans =\n\ | |
| 4780 | 1033 @{\n\ |
| 1034 Height = 185\n\ | |
| 1035 Name = Peter\n\ | |
| 1036 @}\n\ | |
| 4750 | 1037 \n\ |
| 1038 @end group\n\ | |
| 1039 @end example\n\ | |
| 1040 @end deftypefn") | |
| 1041 { | |
| 1042 octave_value retval; | |
| 1043 | |
| 4751 | 1044 if (args.length () == 3) |
| 4750 | 1045 { |
| 4751 | 1046 Cell c = args(0).cell_value (); |
| 4750 | 1047 |
| 4751 | 1048 if (! error_state) |
| 4750 | 1049 { |
| 4751 | 1050 octave_value field = args(1); |
| 4750 | 1051 |
| 4751 | 1052 // Field is either cell or character matrix. |
| 4750 | 1053 |
| 5775 | 1054 // FIXME -- this could be simplified if we had |
| 4752 | 1055 // cellstr and iscellstr functions available. |
| 1056 | |
| 4751 | 1057 bool field_is_cell = field.is_cell (); |
| 4750 | 1058 |
| 4751 | 1059 Cell field_cell; |
| 1060 charMatrix field_char; | |
| 4750 | 1061 |
| 1062 if (field_is_cell) | |
| 4751 | 1063 field_cell = field.cell_value (); |
| 1064 else | |
| 1065 field_char = field.char_matrix_value (); | |
| 1066 | |
| 1067 if (! error_state) | |
| 4750 | 1068 { |
| 4751 | 1069 // Retrieve the dimension value. |
| 1070 | |
| 5775 | 1071 // FIXME -- int_value () should print out the |
| 4751 | 1072 // conversions it does to be Matlab compatible. |
| 1073 | |
| 5275 | 1074 octave_idx_type dim = args(2).int_value () - 1; |
| 4751 | 1075 |
| 1076 if (! error_state) | |
| 1077 { | |
| 1078 dim_vector c_dv = c.dims (); | |
| 1079 dim_vector field_dv = field.dims (); | |
| 1080 | |
| 1081 if (cell2struct_check_args (c_dv, field_dv, field_is_cell, | |
| 1082 dim)) | |
| 1083 { | |
| 5275 | 1084 octave_idx_type c_dv_length = c_dv.length (); |
| 4751 | 1085 |
| 1086 // Dimension vector for the Cell arrays to be | |
| 1087 // put into the structure. | |
| 1088 | |
| 1089 dim_vector value_dv; | |
| 1090 | |
| 1091 // Initialize c_value_dv. | |
| 4750 | 1092 |
| 4751 | 1093 if (c_dv_length == 2) |
| 1094 value_dv = dim_vector (1, 1); | |
| 1095 else | |
| 1096 value_dv.resize (c_dv_length - 1); | |
| 1097 | |
| 5275 | 1098 octave_idx_type idx_tmp = 0; |
| 4751 | 1099 |
| 5275 | 1100 for (octave_idx_type i = 0; i < c_dv_length; i++) |
| 4751 | 1101 { |
| 1102 if (i != dim) | |
| 1103 value_dv.elem (idx_tmp++) = c_dv.elem (i); | |
| 1104 } | |
| 1105 | |
| 1106 // All initializing is done, we can start moving | |
| 1107 // values. | |
| 1108 | |
| 1109 Octave_map map; | |
| 1110 | |
| 1111 // If field is a cell array then we use all | |
| 1112 // elements in array, on the other hand when | |
| 1113 // field is a character array the number of | |
| 1114 // elements is equals the number of rows. | |
| 1115 | |
| 5275 | 1116 octave_idx_type field_numel |
| 4751 | 1117 = field_is_cell ? field_dv.numel (): field_dv(0); |
| 1118 | |
| 1119 // For matlab compatibility. | |
| 1120 | |
| 1121 if (field_numel == 0) | |
| 1122 map.reshape (dim_vector (0, 1)); | |
| 4750 | 1123 |
| 5275 | 1124 for (octave_idx_type i = 0; i < field_numel; i++) |
| 4751 | 1125 { |
| 1126 // Construct cell array which goes into the | |
| 1127 // structure together with the appropriate | |
| 1128 // field name. | |
| 1129 | |
| 1130 Cell c_value (value_dv); | |
| 1131 | |
| 5275 | 1132 Array<octave_idx_type> value_idx (value_dv.length (), 0); |
| 1133 Array<octave_idx_type> c_idx (c_dv_length, 0); | |
| 4751 | 1134 |
| 5275 | 1135 for (octave_idx_type j = 0; j < value_dv.numel (); j++) |
| 4751 | 1136 { |
| 1137 // Need to do this to construct the | |
| 1138 // appropriate idx for getting elements | |
| 1139 // from the original cell array. | |
| 1140 | |
| 1141 cell2struct_construct_idx (c_idx, value_idx, | |
| 1142 dim, i); | |
| 1143 | |
| 1144 c_value.elem (value_idx) = c.elem (c_idx); | |
| 1145 | |
| 1146 increment_index (value_idx, value_dv); | |
| 1147 } | |
| 1148 | |
| 1149 std::string field_str; | |
| 4750 | 1150 |
| 4751 | 1151 if (field_is_cell) |
| 1152 { | |
| 1153 // Matlab retrieves the field values | |
| 1154 // column by column. | |
| 1155 | |
| 1156 octave_value field_tmp = field_cell.elem (i); | |
| 1157 | |
| 1158 field_str = field_tmp.string_value (); | |
| 1159 | |
| 1160 if (error_state) | |
| 1161 { | |
| 1162 error ("cell2struct: fields have to be of type string"); | |
| 1163 break; | |
| 1164 } | |
| 1165 } | |
| 1166 else | |
| 1167 { | |
| 1168 field_str = field_char.row_as_string (i); | |
| 1169 | |
| 1170 if (error_state) | |
| 1171 return retval; | |
| 1172 } | |
| 1173 | |
| 6811 | 1174 if (! valid_identifier (field_str)) |
| 1175 { | |
| 1176 error ("cell2struct: invalid field name `%s'", | |
| 1177 field_str.c_str ()); | |
| 1178 break; | |
| 1179 } | |
| 1180 | |
| 4751 | 1181 map.reshape (value_dv); |
| 1182 | |
| 1183 map.assign (field_str, c_value); | |
| 1184 } | |
| 1185 | |
| 1186 if (! error_state) | |
| 1187 retval = map; | |
| 1188 } | |
| 4750 | 1189 } |
| 4751 | 1190 else |
| 1191 error ("cell2struct: expecting third argument to be an integer"); | |
| 4750 | 1192 } |
| 1193 else | |
| 4751 | 1194 error ("cell2struct: expecting second argument to be a cell or character array"); |
| 4750 | 1195 } |
| 4751 | 1196 else |
| 1197 error ("cell2struct: expecting first argument to be a cell array"); | |
| 4750 | 1198 } |
| 4751 | 1199 else |
| 5823 | 1200 print_usage (); |
| 4750 | 1201 |
| 1202 return retval; | |
| 1203 } | |
| 1204 | |
| 4817 | 1205 // So we can call Fcellstr directly. |
| 1206 extern octave_value_list Fcellstr (const octave_value_list& args, int); | |
| 1207 | |
| 1208 DEFUN (rmfield, args, , | |
| 1209 "-*- texinfo -*-\n\ | |
| 1210 @deftypefn {Built-in Function} {} rmfield (@var{s}, @var{f})\n\ | |
| 1211 Remove field @var{f} from the structure @var{s}. If @var{f} is a\n\ | |
| 1212 cell array of character strings or a character array, remove the\n\ | |
| 1213 named fields.\n\ | |
| 5642 | 1214 @seealso{cellstr, iscellstr, setfield}\n\ |
| 1215 @end deftypefn") | |
| 4817 | 1216 { |
| 1217 octave_value retval; | |
| 1218 | |
| 1219 int nargin = args.length (); | |
| 1220 | |
| 1221 if (nargin == 2) | |
| 1222 { | |
| 1223 Octave_map m = args(0).map_value (); | |
| 1224 | |
| 1225 octave_value_list fval = Fcellstr (args(1), 1); | |
| 1226 | |
| 1227 if (! error_state) | |
| 1228 { | |
| 1229 Cell fcell = fval(0).cell_value (); | |
| 1230 | |
| 1231 for (int i = 0; i < fcell.numel (); i++) | |
| 1232 { | |
| 1233 std::string key = fcell(i).string_value (); | |
| 1234 | |
| 1235 if (m.contains (key)) | |
| 1236 m.del (key); | |
| 1237 else | |
| 1238 { | |
| 1239 error ("rmfield: structure does not contain field %s", | |
| 1240 key.c_str ()); | |
| 1241 | |
| 1242 break; | |
| 1243 } | |
| 1244 } | |
| 1245 | |
| 1246 if (! error_state) | |
| 1247 retval = m; | |
| 1248 } | |
| 1249 } | |
| 1250 else | |
| 5823 | 1251 print_usage (); |
| 4817 | 1252 |
| 1253 return retval; | |
| 1254 } | |
| 1255 | |
| 1256 bool | |
| 6974 | 1257 octave_struct::save_ascii (std::ostream& os) |
| 4817 | 1258 { |
| 1259 Octave_map m = map_value (); | |
| 6639 | 1260 os << "# length: " << m.nfields () << "\n"; |
| 4817 | 1261 |
| 1262 Octave_map::iterator i = m.begin (); | |
| 1263 while (i != m.end ()) | |
| 1264 { | |
| 5341 | 1265 octave_value val = map.contents (i); |
| 4817 | 1266 |
| 6974 | 1267 bool b = save_ascii_data (os, val, m.key (i), false, 0); |
| 4817 | 1268 |
| 1269 if (! b) | |
| 1270 return os; | |
| 1271 | |
| 1272 i++; | |
| 1273 } | |
| 1274 | |
| 1275 return true; | |
| 1276 } | |
| 1277 | |
| 1278 bool | |
| 1279 octave_struct::load_ascii (std::istream& is) | |
| 1280 { | |
| 5275 | 1281 octave_idx_type len = 0; |
| 4817 | 1282 bool success = true; |
| 1283 | |
| 1284 if (extract_keyword (is, "length", len) && len >= 0) | |
| 1285 { | |
| 1286 if (len > 0) | |
| 1287 { | |
| 1288 Octave_map m (map); | |
| 1289 | |
| 5275 | 1290 for (octave_idx_type j = 0; j < len; j++) |
| 4817 | 1291 { |
| 1292 octave_value t2; | |
| 1293 bool dummy; | |
| 1294 | |
| 1295 // recurse to read cell elements | |
| 1296 std::string nm | |
| 5756 | 1297 = read_ascii_data (is, std::string (), dummy, t2, j); |
| 4817 | 1298 |
| 1299 if (!is) | |
| 1300 break; | |
| 1301 | |
| 6293 | 1302 Cell tcell = t2.is_cell () ? t2.cell_value () : Cell (t2); |
| 5433 | 1303 |
| 6293 | 1304 if (error_state) |
| 1305 { | |
| 1306 error ("load: internal error loading struct elements"); | |
| 1307 return false; | |
| 1308 } | |
| 5433 | 1309 |
| 6293 | 1310 m.assign (nm, tcell); |
| 4817 | 1311 } |
| 1312 | |
| 1313 if (is) | |
| 1314 map = m; | |
| 1315 else | |
| 1316 { | |
| 1317 error ("load: failed to load structure"); | |
| 1318 success = false; | |
| 1319 } | |
| 1320 } | |
| 1321 else if (len == 0 ) | |
| 6292 | 1322 map = Octave_map (dim_vector (1, 1)); |
| 4817 | 1323 else |
| 1324 panic_impossible (); | |
| 1325 } | |
| 1326 else { | |
| 1327 error ("load: failed to extract number of elements in structure"); | |
| 1328 success = false; | |
| 1329 } | |
| 1330 | |
| 1331 return success; | |
| 1332 } | |
| 1333 | |
| 1334 bool | |
| 1335 octave_struct::save_binary (std::ostream& os, bool& save_as_floats) | |
| 1336 { | |
| 1337 Octave_map m = map_value (); | |
| 1338 | |
| 6639 | 1339 int32_t len = m.nfields (); |
| 5760 | 1340 os.write (reinterpret_cast<char *> (&len), 4); |
| 4817 | 1341 |
| 1342 Octave_map::iterator i = m.begin (); | |
| 1343 while (i != m.end ()) | |
| 1344 { | |
| 5341 | 1345 octave_value val = map.contents (i); |
| 4817 | 1346 |
| 5341 | 1347 bool b = save_binary_data (os, val, m.key (i), "", 0, save_as_floats); |
| 4817 | 1348 |
| 1349 if (! b) | |
| 1350 return os; | |
| 1351 | |
| 1352 i++; | |
| 1353 } | |
| 1354 | |
| 1355 return true; | |
| 1356 } | |
| 1357 | |
| 1358 bool | |
| 1359 octave_struct::load_binary (std::istream& is, bool swap, | |
| 5760 | 1360 oct_mach_info::float_format fmt) |
| 4817 | 1361 { |
| 1362 bool success = true; | |
| 5828 | 1363 int32_t len; |
| 5760 | 1364 if (! is.read (reinterpret_cast<char *> (&len), 4)) |
| 4817 | 1365 return false; |
| 1366 if (swap) | |
| 4944 | 1367 swap_bytes<4> (&len); |
| 4817 | 1368 |
| 1369 if (len > 0) | |
| 1370 { | |
| 1371 Octave_map m (map); | |
| 1372 | |
| 5275 | 1373 for (octave_idx_type j = 0; j < len; j++) |
| 4817 | 1374 { |
| 1375 octave_value t2; | |
| 1376 bool dummy; | |
| 1377 std::string doc; | |
| 1378 | |
| 1379 // recurse to read cell elements | |
| 1380 std::string nm = read_binary_data (is, swap, fmt, std::string (), | |
| 1381 dummy, t2, doc); | |
| 1382 | |
| 1383 if (!is) | |
| 1384 break; | |
| 1385 | |
| 6293 | 1386 Cell tcell = t2.is_cell () ? t2.cell_value () : Cell (t2); |
| 5433 | 1387 |
| 6293 | 1388 if (error_state) |
| 1389 { | |
| 1390 error ("load: internal error loading struct elements"); | |
| 1391 return false; | |
| 1392 } | |
| 5433 | 1393 |
| 6293 | 1394 m.assign (nm, tcell); |
| 4817 | 1395 } |
| 1396 | |
| 1397 if (is) | |
| 1398 map = m; | |
| 1399 else | |
| 1400 { | |
| 1401 error ("load: failed to load structure"); | |
| 1402 success = false; | |
| 1403 } | |
| 1404 } | |
| 1405 else if (len == 0 ) | |
| 6292 | 1406 map = Octave_map (dim_vector (1, 1)); |
| 4817 | 1407 else |
| 1408 panic_impossible (); | |
| 1409 | |
| 1410 return success; | |
| 1411 } | |
| 1412 | |
| 1413 #if defined (HAVE_HDF5) | |
| 1414 | |
| 1415 bool | |
| 1416 octave_struct::save_hdf5 (hid_t loc_id, const char *name, bool save_as_floats) | |
| 1417 { | |
| 1418 hid_t data_hid = -1; | |
| 1419 | |
| 1420 data_hid = H5Gcreate (loc_id, name, 0); | |
| 1421 if (data_hid < 0) return false; | |
| 1422 | |
| 1423 // recursively add each element of the structure to this group | |
| 1424 Octave_map m = map_value (); | |
| 1425 Octave_map::iterator i = m.begin (); | |
| 1426 while (i != m.end ()) | |
| 1427 { | |
| 5341 | 1428 octave_value val = map.contents (i); |
| 4817 | 1429 |
| 5341 | 1430 bool retval2 = add_hdf5_data (data_hid, val, m.key (i), "", false, |
| 4817 | 1431 save_as_floats); |
| 1432 | |
| 1433 if (! retval2) | |
| 1434 break; | |
| 1435 | |
| 1436 i++; | |
| 1437 } | |
| 1438 | |
| 1439 H5Gclose (data_hid); | |
| 4837 | 1440 |
| 4817 | 1441 return true; |
| 1442 } | |
| 1443 | |
| 1444 bool | |
| 1445 octave_struct::load_hdf5 (hid_t loc_id, const char *name, | |
| 1446 bool have_h5giterate_bug) | |
| 1447 { | |
| 1448 bool retval = false; | |
| 1449 | |
| 1450 hdf5_callback_data dsub; | |
| 1451 | |
| 1452 herr_t retval2 = 0; | |
| 6292 | 1453 Octave_map m (dim_vector (1, 1)); |
| 4817 | 1454 int current_item = 0; |
| 1455 #ifdef HAVE_H5GGET_NUM_OBJS | |
| 1456 hsize_t num_obj = 0; | |
| 5060 | 1457 hid_t group_id = H5Gopen (loc_id, name); |
| 1458 H5Gget_num_objs (group_id, &num_obj); | |
| 1459 H5Gclose (group_id); | |
| 4817 | 1460 |
| 1461 while (current_item < static_cast<int> (num_obj) | |
| 1462 && (retval2 = H5Giterate (loc_id, name, ¤t_item, | |
| 1463 hdf5_read_next_data, &dsub)) > 0) | |
| 1464 #else | |
| 1465 while ((retval2 = H5Giterate (loc_id, name, ¤t_item, | |
| 1466 hdf5_read_next_data, &dsub)) > 0) | |
| 1467 #endif | |
| 1468 { | |
| 5342 | 1469 octave_value t2 = dsub.tc; |
| 1470 | |
| 6293 | 1471 Cell tcell = t2.is_cell () ? t2.cell_value () : Cell (t2); |
| 5433 | 1472 |
| 6293 | 1473 if (error_state) |
| 1474 { | |
| 1475 error ("load: internal error loading struct elements"); | |
| 1476 return false; | |
| 1477 } | |
| 5433 | 1478 |
| 6293 | 1479 m.assign (dsub.name, tcell); |
| 5336 | 1480 |
| 4817 | 1481 if (have_h5giterate_bug) |
| 1482 current_item++; // H5Giterate returned the last index processed | |
| 1483 } | |
| 1484 | |
| 1485 if (retval2 >= 0) | |
| 1486 { | |
| 1487 map = m; | |
| 1488 retval = true; | |
| 1489 } | |
| 1490 | |
| 1491 return retval; | |
| 1492 } | |
| 1493 | |
| 4687 | 1494 #endif |
| 1495 | |
| 5900 | 1496 mxArray * |
| 1497 octave_struct::as_mxArray (void) const | |
| 1498 { | |
| 1499 int nf = nfields (); | |
| 1500 string_vector kv = map_keys (); | |
| 6065 | 1501 |
| 1502 OCTAVE_LOCAL_BUFFER (const char *, f, nf); | |
| 1503 | |
| 5900 | 1504 for (int i = 0; i < nf; i++) |
| 6065 | 1505 f[i] = kv[i].c_str (); |
| 5900 | 1506 |
| 1507 mxArray *retval = new mxArray (dims (), nf, f); | |
| 1508 | |
| 1509 mxArray **elts = static_cast<mxArray **> (retval->get_data ()); | |
| 1510 | |
| 6686 | 1511 mwSize nel = numel (); |
| 5900 | 1512 |
| 6686 | 1513 mwSize ntot = nf * nel; |
| 5900 | 1514 |
| 1515 for (int i = 0; i < nf; i++) | |
| 1516 { | |
| 1517 Cell c = map.contents (kv[i]); | |
| 1518 | |
| 1519 const octave_value *p = c.data (); | |
| 1520 | |
| 6686 | 1521 mwIndex k = 0; |
| 1522 for (mwIndex j = i; j < ntot; j += nf) | |
| 5900 | 1523 elts[j] = new mxArray (p[k++]); |
| 1524 } | |
| 1525 | |
| 1526 return retval; | |
| 1527 } | |
| 1528 | |
| 2376 | 1529 /* |
| 1530 ;;; Local Variables: *** | |
| 1531 ;;; mode: C++ *** | |
| 1532 ;;; End: *** | |
| 1533 */ |