/src/gdal/ogr/ogrsf_frmts/shape/shape2ogr.cpp
Line | Count | Source |
1 | | /****************************************************************************** |
2 | | * |
3 | | * Project: OpenGIS Simple Features Reference Implementation |
4 | | * Purpose: Implements translation of Shapefile shapes into OGR |
5 | | * representation. |
6 | | * Author: Frank Warmerdam, warmerda@home.com |
7 | | * |
8 | | ****************************************************************************** |
9 | | * Copyright (c) 1999, Les Technologies SoftMap Inc. |
10 | | * Copyright (c) 2007-2013, Even Rouault <even dot rouault at spatialys.com> |
11 | | * |
12 | | * SPDX-License-Identifier: MIT |
13 | | ****************************************************************************/ |
14 | | |
15 | | #include "cpl_port.h" |
16 | | #include "ogrshape.h" |
17 | | |
18 | | #include <cmath> |
19 | | #include <cstdio> |
20 | | #include <cstdlib> |
21 | | #include <cstring> |
22 | | #include <algorithm> |
23 | | #include <limits> |
24 | | #include <memory> |
25 | | #include <utility> |
26 | | |
27 | | #include "cpl_conv.h" |
28 | | #include "cpl_error.h" |
29 | | #include "cpl_string.h" |
30 | | #include "cpl_minixml.h" |
31 | | #include "cpl_vsi_virtual.h" |
32 | | #include "ogr_core.h" |
33 | | #include "ogr_feature.h" |
34 | | #include "ogr_geometry.h" |
35 | | #include "ogrpgeogeometry.h" |
36 | | #include "ogrshape.h" |
37 | | #include "shapefil.h" |
38 | | |
39 | | /************************************************************************/ |
40 | | /* RingStartEnd */ |
41 | | /* Set first and last vertex for given ring. */ |
42 | | /************************************************************************/ |
43 | | static void RingStartEnd(SHPObject *psShape, int ring, int *start, int *end) |
44 | 0 | { |
45 | 0 | if (psShape->panPartStart == nullptr) |
46 | 0 | { |
47 | 0 | *start = 0; |
48 | 0 | *end = psShape->nVertices - 1; |
49 | 0 | } |
50 | 0 | else |
51 | 0 | { |
52 | 0 | *start = psShape->panPartStart[ring]; |
53 | |
|
54 | 0 | if (ring == psShape->nParts - 1) |
55 | 0 | *end = psShape->nVertices - 1; |
56 | 0 | else |
57 | 0 | *end = psShape->panPartStart[ring + 1] - 1; |
58 | 0 | } |
59 | 0 | } |
60 | | |
61 | | /************************************************************************/ |
62 | | /* CreateLinearRing */ |
63 | | /************************************************************************/ |
64 | | static std::unique_ptr<OGRLinearRing> |
65 | | CreateLinearRing(SHPObject *psShape, int ring, bool bHasZ, bool bHasM) |
66 | 0 | { |
67 | 0 | int nRingStart = 0; |
68 | 0 | int nRingEnd = 0; |
69 | 0 | RingStartEnd(psShape, ring, &nRingStart, &nRingEnd); |
70 | |
|
71 | 0 | auto poRing = std::make_unique<OGRLinearRing>(); |
72 | 0 | if (!(nRingEnd >= nRingStart)) |
73 | 0 | return poRing; |
74 | | |
75 | 0 | const int nRingPoints = nRingEnd - nRingStart + 1; |
76 | |
|
77 | 0 | if (bHasZ && bHasM) |
78 | 0 | poRing->setPoints( |
79 | 0 | nRingPoints, psShape->padfX + nRingStart, |
80 | 0 | psShape->padfY + nRingStart, psShape->padfZ + nRingStart, |
81 | 0 | psShape->padfM ? psShape->padfM + nRingStart : nullptr); |
82 | 0 | else if (bHasM) |
83 | 0 | poRing->setPointsM(nRingPoints, psShape->padfX + nRingStart, |
84 | 0 | psShape->padfY + nRingStart, |
85 | 0 | psShape->padfM ? psShape->padfM + nRingStart |
86 | 0 | : nullptr); |
87 | 0 | else |
88 | 0 | poRing->setPoints(nRingPoints, psShape->padfX + nRingStart, |
89 | 0 | psShape->padfY + nRingStart); |
90 | |
|
91 | 0 | return poRing; |
92 | 0 | } |
93 | | |
94 | | /************************************************************************/ |
95 | | /* SHPReadOGRObject() */ |
96 | | /* */ |
97 | | /* Read an item in a shapefile, and translate to OGR geometry */ |
98 | | /* representation. */ |
99 | | /************************************************************************/ |
100 | | |
101 | | OGRGeometry *SHPReadOGRObject(SHPHandle hSHP, int iShape, SHPObject *psShape, |
102 | | bool &bHasWarnedWrongWindingOrder) |
103 | 0 | { |
104 | | #if DEBUG_VERBOSE |
105 | | CPLDebug("Shape", "SHPReadOGRObject( iShape=%d )", iShape); |
106 | | #endif |
107 | |
|
108 | 0 | if (psShape == nullptr) |
109 | 0 | psShape = SHPReadObject(hSHP, iShape); |
110 | |
|
111 | 0 | if (psShape == nullptr) |
112 | 0 | { |
113 | 0 | return nullptr; |
114 | 0 | } |
115 | | |
116 | 0 | OGRGeometry *poOGR = nullptr; |
117 | | |
118 | | /* -------------------------------------------------------------------- */ |
119 | | /* Point. */ |
120 | | /* -------------------------------------------------------------------- */ |
121 | 0 | if (psShape->nSHPType == SHPT_POINT) |
122 | 0 | { |
123 | 0 | poOGR = new OGRPoint(psShape->padfX[0], psShape->padfY[0]); |
124 | 0 | } |
125 | 0 | else if (psShape->nSHPType == SHPT_POINTZ) |
126 | 0 | { |
127 | 0 | if (psShape->bMeasureIsUsed) |
128 | 0 | { |
129 | 0 | poOGR = new OGRPoint(psShape->padfX[0], psShape->padfY[0], |
130 | 0 | psShape->padfZ[0], psShape->padfM[0]); |
131 | 0 | } |
132 | 0 | else |
133 | 0 | { |
134 | 0 | poOGR = new OGRPoint(psShape->padfX[0], psShape->padfY[0], |
135 | 0 | psShape->padfZ[0]); |
136 | 0 | } |
137 | 0 | } |
138 | 0 | else if (psShape->nSHPType == SHPT_POINTM) |
139 | 0 | { |
140 | 0 | poOGR = new OGRPoint(psShape->padfX[0], psShape->padfY[0], 0.0, |
141 | 0 | psShape->padfM[0]); |
142 | 0 | poOGR->set3D(FALSE); |
143 | 0 | } |
144 | | /* -------------------------------------------------------------------- */ |
145 | | /* Multipoint. */ |
146 | | /* -------------------------------------------------------------------- */ |
147 | 0 | else if (psShape->nSHPType == SHPT_MULTIPOINT || |
148 | 0 | psShape->nSHPType == SHPT_MULTIPOINTM || |
149 | 0 | psShape->nSHPType == SHPT_MULTIPOINTZ) |
150 | 0 | { |
151 | 0 | if (psShape->nVertices == 0) |
152 | 0 | { |
153 | 0 | poOGR = nullptr; |
154 | 0 | } |
155 | 0 | else |
156 | 0 | { |
157 | 0 | OGRMultiPoint *poOGRMPoint = new OGRMultiPoint(); |
158 | |
|
159 | 0 | for (int i = 0; i < psShape->nVertices; i++) |
160 | 0 | { |
161 | 0 | OGRPoint *poPoint = nullptr; |
162 | |
|
163 | 0 | if (psShape->nSHPType == SHPT_MULTIPOINTZ) |
164 | 0 | { |
165 | 0 | if (psShape->padfM) |
166 | 0 | { |
167 | 0 | poPoint = |
168 | 0 | new OGRPoint(psShape->padfX[i], psShape->padfY[i], |
169 | 0 | psShape->padfZ[i], psShape->padfM[i]); |
170 | 0 | } |
171 | 0 | else |
172 | 0 | { |
173 | 0 | poPoint = |
174 | 0 | new OGRPoint(psShape->padfX[i], psShape->padfY[i], |
175 | 0 | psShape->padfZ[i]); |
176 | 0 | } |
177 | 0 | } |
178 | 0 | else if (psShape->nSHPType == SHPT_MULTIPOINTM && |
179 | 0 | psShape->padfM) |
180 | 0 | { |
181 | 0 | poPoint = new OGRPoint(psShape->padfX[i], psShape->padfY[i], |
182 | 0 | 0.0, psShape->padfM[i]); |
183 | 0 | poPoint->set3D(FALSE); |
184 | 0 | } |
185 | 0 | else |
186 | 0 | { |
187 | 0 | poPoint = |
188 | 0 | new OGRPoint(psShape->padfX[i], psShape->padfY[i]); |
189 | 0 | } |
190 | |
|
191 | 0 | poOGRMPoint->addGeometry(poPoint); |
192 | |
|
193 | 0 | delete poPoint; |
194 | 0 | } |
195 | |
|
196 | 0 | poOGR = poOGRMPoint; |
197 | 0 | } |
198 | 0 | } |
199 | | |
200 | | /* -------------------------------------------------------------------- */ |
201 | | /* Arc (LineString) */ |
202 | | /* */ |
203 | | /* Ignoring parts though they can apply to arcs as well. */ |
204 | | /* -------------------------------------------------------------------- */ |
205 | 0 | else if (psShape->nSHPType == SHPT_ARC || psShape->nSHPType == SHPT_ARCM || |
206 | 0 | psShape->nSHPType == SHPT_ARCZ) |
207 | 0 | { |
208 | 0 | if (psShape->nParts == 0) |
209 | 0 | { |
210 | 0 | poOGR = nullptr; |
211 | 0 | } |
212 | 0 | else if (psShape->nParts == 1) |
213 | 0 | { |
214 | 0 | OGRLineString *poOGRLine = new OGRLineString(); |
215 | 0 | poOGR = poOGRLine; |
216 | |
|
217 | 0 | if (psShape->nSHPType == SHPT_ARCZ) |
218 | 0 | poOGRLine->setPoints(psShape->nVertices, psShape->padfX, |
219 | 0 | psShape->padfY, psShape->padfZ, |
220 | 0 | psShape->padfM); |
221 | 0 | else if (psShape->nSHPType == SHPT_ARCM) |
222 | 0 | poOGRLine->setPointsM(psShape->nVertices, psShape->padfX, |
223 | 0 | psShape->padfY, psShape->padfM); |
224 | 0 | else |
225 | 0 | poOGRLine->setPoints(psShape->nVertices, psShape->padfX, |
226 | 0 | psShape->padfY); |
227 | 0 | } |
228 | 0 | else |
229 | 0 | { |
230 | 0 | OGRMultiLineString *poOGRMulti = new OGRMultiLineString(); |
231 | 0 | poOGR = poOGRMulti; |
232 | |
|
233 | 0 | for (int iRing = 0; iRing < psShape->nParts; iRing++) |
234 | 0 | { |
235 | 0 | int nRingPoints = 0; |
236 | 0 | int nRingStart = 0; |
237 | |
|
238 | 0 | OGRLineString *poLine = new OGRLineString(); |
239 | |
|
240 | 0 | if (psShape->panPartStart == nullptr) |
241 | 0 | { |
242 | 0 | nRingPoints = psShape->nVertices; |
243 | 0 | nRingStart = 0; |
244 | 0 | } |
245 | 0 | else |
246 | 0 | { |
247 | 0 | if (iRing == psShape->nParts - 1) |
248 | 0 | nRingPoints = |
249 | 0 | psShape->nVertices - psShape->panPartStart[iRing]; |
250 | 0 | else |
251 | 0 | nRingPoints = psShape->panPartStart[iRing + 1] - |
252 | 0 | psShape->panPartStart[iRing]; |
253 | 0 | nRingStart = psShape->panPartStart[iRing]; |
254 | 0 | } |
255 | |
|
256 | 0 | if (psShape->nSHPType == SHPT_ARCZ) |
257 | 0 | poLine->setPoints( |
258 | 0 | nRingPoints, psShape->padfX + nRingStart, |
259 | 0 | psShape->padfY + nRingStart, |
260 | 0 | psShape->padfZ + nRingStart, |
261 | 0 | psShape->padfM ? psShape->padfM + nRingStart : nullptr); |
262 | 0 | else if (psShape->nSHPType == SHPT_ARCM && |
263 | 0 | psShape->padfM != nullptr) |
264 | 0 | poLine->setPointsM(nRingPoints, psShape->padfX + nRingStart, |
265 | 0 | psShape->padfY + nRingStart, |
266 | 0 | psShape->padfM + nRingStart); |
267 | 0 | else |
268 | 0 | poLine->setPoints(nRingPoints, psShape->padfX + nRingStart, |
269 | 0 | psShape->padfY + nRingStart); |
270 | |
|
271 | 0 | poOGRMulti->addGeometryDirectly(poLine); |
272 | 0 | } |
273 | 0 | } |
274 | 0 | } |
275 | | |
276 | | /* -------------------------------------------------------------------- */ |
277 | | /* Polygon */ |
278 | | /* */ |
279 | | /* As for now Z coordinate is not handled correctly */ |
280 | | /* -------------------------------------------------------------------- */ |
281 | 0 | else if (psShape->nSHPType == SHPT_POLYGON || |
282 | 0 | psShape->nSHPType == SHPT_POLYGONM || |
283 | 0 | psShape->nSHPType == SHPT_POLYGONZ) |
284 | 0 | { |
285 | 0 | const bool bHasZ = psShape->nSHPType == SHPT_POLYGONZ; |
286 | 0 | const bool bHasM = bHasZ || psShape->nSHPType == SHPT_POLYGONM; |
287 | |
|
288 | | #if DEBUG_VERBOSE |
289 | | CPLDebug("Shape", "Shape type: polygon with nParts=%d", |
290 | | psShape->nParts); |
291 | | #endif |
292 | |
|
293 | 0 | if (psShape->nParts == 0) |
294 | 0 | { |
295 | 0 | poOGR = nullptr; |
296 | 0 | } |
297 | 0 | else if (psShape->nParts == 1) |
298 | 0 | { |
299 | | // Surely outer ring. |
300 | 0 | OGRPolygon *poOGRPoly = new OGRPolygon(); |
301 | 0 | poOGR = poOGRPoly; |
302 | |
|
303 | 0 | poOGRPoly->addRing(CreateLinearRing(psShape, 0, bHasZ, bHasM)); |
304 | 0 | } |
305 | 0 | else |
306 | 0 | { |
307 | 0 | std::vector<std::unique_ptr<OGRGeometry>> apoPolygons; |
308 | 0 | apoPolygons.reserve(psShape->nParts); |
309 | 0 | for (int iRing = 0; iRing < psShape->nParts; iRing++) |
310 | 0 | { |
311 | 0 | auto poPoly = std::make_unique<OGRPolygon>(); |
312 | 0 | poPoly->addRing(CreateLinearRing(psShape, iRing, bHasZ, bHasM)); |
313 | 0 | apoPolygons.push_back(std::move(poPoly)); |
314 | 0 | } |
315 | | |
316 | | // Tries to detect bad geometries where a multi-part multipolygon is |
317 | | // written as a single-part multipolygon with its parts as inner |
318 | | // rings, like done by QGIS <= 3.28.11 with GDAL >= 3.7 |
319 | | // Cf https://github.com/qgis/QGIS/issues/54537 |
320 | 0 | bool bUseSlowMethod = false; |
321 | 0 | if (!bHasZ && !bHasM) |
322 | 0 | { |
323 | 0 | bool bFoundCW = false; |
324 | 0 | for (int iRing = 1; iRing < psShape->nParts; iRing++) |
325 | 0 | { |
326 | 0 | if (apoPolygons[iRing] |
327 | 0 | ->toPolygon() |
328 | 0 | ->getExteriorRing() |
329 | 0 | ->isClockwise()) |
330 | 0 | { |
331 | 0 | bFoundCW = true; |
332 | 0 | break; |
333 | 0 | } |
334 | 0 | } |
335 | 0 | if (!bFoundCW) |
336 | 0 | { |
337 | | // Only inner rings |
338 | 0 | OGREnvelope sFirstEnvelope; |
339 | 0 | OGREnvelope sCurEnvelope; |
340 | 0 | const OGRLinearRing *poExteriorRing = |
341 | 0 | apoPolygons[0]->toPolygon()->getExteriorRing(); |
342 | 0 | poExteriorRing->getEnvelope(&sFirstEnvelope); |
343 | 0 | for (int iRing = 1; iRing < psShape->nParts; iRing++) |
344 | 0 | { |
345 | 0 | apoPolygons[iRing]->getEnvelope(&sCurEnvelope); |
346 | 0 | if (!sFirstEnvelope.Intersects(sCurEnvelope)) |
347 | 0 | { |
348 | | // If the envelopes of the rings don't intersect, |
349 | | // then it is clearly a multi-part polygon |
350 | 0 | bUseSlowMethod = true; |
351 | 0 | break; |
352 | 0 | } |
353 | 0 | else |
354 | 0 | { |
355 | | // Otherwise take 4 points at each extremity of |
356 | | // the inner rings and check if there are in the |
357 | | // outer ring. If none are within it, then it is |
358 | | // very likely a outer ring (or an invalid ring |
359 | | // which is neither a outer nor a inner ring) |
360 | 0 | const auto poRing = apoPolygons[iRing] |
361 | 0 | ->toPolygon() |
362 | 0 | ->getExteriorRing(); |
363 | 0 | const auto nNumPoints = poRing->getNumPoints(); |
364 | 0 | OGRPoint p; |
365 | 0 | OGRPoint leftPoint( |
366 | 0 | std::numeric_limits<double>::infinity(), 0); |
367 | 0 | OGRPoint rightPoint( |
368 | 0 | -std::numeric_limits<double>::infinity(), 0); |
369 | 0 | OGRPoint bottomPoint( |
370 | 0 | 0, std::numeric_limits<double>::infinity()); |
371 | 0 | OGRPoint topPoint( |
372 | 0 | 0, -std::numeric_limits<double>::infinity()); |
373 | 0 | for (int iPoint = 0; iPoint < nNumPoints - 1; |
374 | 0 | ++iPoint) |
375 | 0 | { |
376 | 0 | poRing->getPoint(iPoint, &p); |
377 | 0 | if (p.getX() < leftPoint.getX() || |
378 | 0 | (p.getX() == leftPoint.getX() && |
379 | 0 | p.getY() < leftPoint.getY())) |
380 | 0 | { |
381 | 0 | leftPoint = p; |
382 | 0 | } |
383 | 0 | if (p.getX() > rightPoint.getX() || |
384 | 0 | (p.getX() == rightPoint.getX() && |
385 | 0 | p.getY() > rightPoint.getY())) |
386 | 0 | { |
387 | 0 | rightPoint = p; |
388 | 0 | } |
389 | 0 | if (p.getY() < bottomPoint.getY() || |
390 | 0 | (p.getY() == bottomPoint.getY() && |
391 | 0 | p.getX() > bottomPoint.getX())) |
392 | 0 | { |
393 | 0 | bottomPoint = p; |
394 | 0 | } |
395 | 0 | if (p.getY() > topPoint.getY() || |
396 | 0 | (p.getY() == topPoint.getY() && |
397 | 0 | p.getX() < topPoint.getX())) |
398 | 0 | { |
399 | 0 | topPoint = p; |
400 | 0 | } |
401 | 0 | } |
402 | 0 | if (!poExteriorRing->isPointInRing(&leftPoint) && |
403 | 0 | !poExteriorRing->isPointInRing(&rightPoint) && |
404 | 0 | !poExteriorRing->isPointInRing(&bottomPoint) && |
405 | 0 | !poExteriorRing->isPointInRing(&topPoint)) |
406 | 0 | { |
407 | 0 | bUseSlowMethod = true; |
408 | 0 | break; |
409 | 0 | } |
410 | 0 | } |
411 | 0 | } |
412 | 0 | if (bUseSlowMethod && !bHasWarnedWrongWindingOrder) |
413 | 0 | { |
414 | 0 | bHasWarnedWrongWindingOrder = true; |
415 | 0 | CPLError(CE_Warning, CPLE_AppDefined, |
416 | 0 | "%s contains polygon(s) with rings with " |
417 | 0 | "invalid winding order. Autocorrecting them, " |
418 | 0 | "but that shapefile should be corrected using " |
419 | 0 | "ogr2ogr for example.", |
420 | 0 | VSI_SHP_GetFilename(hSHP->fpSHP)); |
421 | 0 | } |
422 | 0 | } |
423 | 0 | } |
424 | |
|
425 | 0 | bool isValidGeometry = false; |
426 | 0 | const char *const apszOptions[] = { |
427 | 0 | bUseSlowMethod ? "METHOD=DEFAULT" : "METHOD=ONLY_CCW", nullptr}; |
428 | 0 | poOGR = OGRGeometryFactory::organizePolygons( |
429 | 0 | apoPolygons, &isValidGeometry, apszOptions) |
430 | 0 | .release(); |
431 | |
|
432 | 0 | if (!isValidGeometry) |
433 | 0 | { |
434 | 0 | CPLError( |
435 | 0 | CE_Warning, CPLE_AppDefined, |
436 | 0 | "Geometry of polygon of fid %d cannot be translated to " |
437 | 0 | "Simple Geometry. " |
438 | 0 | "All polygons will be contained in a multipolygon.", |
439 | 0 | iShape); |
440 | 0 | } |
441 | 0 | } |
442 | 0 | } |
443 | | |
444 | | /* -------------------------------------------------------------------- */ |
445 | | /* MultiPatch */ |
446 | | /* -------------------------------------------------------------------- */ |
447 | 0 | else if (psShape->nSHPType == SHPT_MULTIPATCH) |
448 | 0 | { |
449 | 0 | poOGR = OGRCreateFromMultiPatch( |
450 | 0 | psShape->nParts, psShape->panPartStart, psShape->panPartType, |
451 | 0 | psShape->nVertices, psShape->padfX, psShape->padfY, psShape->padfZ); |
452 | 0 | } |
453 | | |
454 | | /* -------------------------------------------------------------------- */ |
455 | | /* Otherwise for now we just ignore the object. */ |
456 | | /* -------------------------------------------------------------------- */ |
457 | 0 | else |
458 | 0 | { |
459 | 0 | if (psShape->nSHPType != SHPT_NULL) |
460 | 0 | { |
461 | 0 | CPLDebug("OGR", "Unsupported shape type in SHPReadOGRObject()"); |
462 | 0 | } |
463 | | |
464 | | // Nothing returned. |
465 | 0 | } |
466 | | |
467 | | /* -------------------------------------------------------------------- */ |
468 | | /* Cleanup shape, and set feature id. */ |
469 | | /* -------------------------------------------------------------------- */ |
470 | 0 | SHPDestroyObject(psShape); |
471 | |
|
472 | 0 | return poOGR; |
473 | 0 | } |
474 | | |
475 | | /************************************************************************/ |
476 | | /* CheckNonFiniteCoordinates() */ |
477 | | /************************************************************************/ |
478 | | |
479 | | static bool CheckNonFiniteCoordinates(const double *v, size_t vsize) |
480 | 0 | { |
481 | 0 | static bool bAllowNonFiniteCoordinates = CPLTestBool( |
482 | 0 | CPLGetConfigOption("OGR_SHAPE_ALLOW_NON_FINITE_COORDINATES", "NO")); |
483 | | // Do not document this. Only for edge case testing |
484 | 0 | if (bAllowNonFiniteCoordinates) |
485 | 0 | { |
486 | 0 | return true; |
487 | 0 | } |
488 | 0 | for (size_t i = 0; i < vsize; ++i) |
489 | 0 | { |
490 | 0 | if (!std::isfinite(v[i])) |
491 | 0 | { |
492 | 0 | CPLError(CE_Failure, CPLE_NotSupported, |
493 | 0 | "Coordinates with non-finite values are not allowed"); |
494 | 0 | return false; |
495 | 0 | } |
496 | 0 | } |
497 | 0 | return true; |
498 | 0 | } |
499 | | |
500 | | static bool CheckNonFiniteCoordinates(const std::vector<double> &v) |
501 | 0 | { |
502 | 0 | return CheckNonFiniteCoordinates(v.data(), v.size()); |
503 | 0 | } |
504 | | |
505 | | /************************************************************************/ |
506 | | /* SHPWriteOGRObject() */ |
507 | | /************************************************************************/ |
508 | | static OGRErr SHPWriteOGRObject(SHPHandle hSHP, int iShape, |
509 | | const OGRGeometry *poGeom, bool bRewind, |
510 | | OGRwkbGeometryType eLayerGeomType) |
511 | | |
512 | 0 | { |
513 | | /* ==================================================================== */ |
514 | | /* Write "shape" with no geometry or with empty geometry */ |
515 | | /* ==================================================================== */ |
516 | 0 | if (poGeom == nullptr || poGeom->IsEmpty()) |
517 | 0 | { |
518 | 0 | SHPObject *psShape = |
519 | 0 | SHPCreateObject(SHPT_NULL, -1, 0, nullptr, nullptr, 0, nullptr, |
520 | 0 | nullptr, nullptr, nullptr); |
521 | 0 | const int nReturnedShapeID = SHPWriteObject(hSHP, iShape, psShape); |
522 | 0 | SHPDestroyObject(psShape); |
523 | 0 | if (nReturnedShapeID == -1) |
524 | 0 | { |
525 | | // Assuming error is reported by SHPWriteObject(). |
526 | 0 | return OGRERR_FAILURE; |
527 | 0 | } |
528 | 0 | } |
529 | | |
530 | | /* ==================================================================== */ |
531 | | /* Write point geometry. */ |
532 | | /* ==================================================================== */ |
533 | 0 | else if (hSHP->nShapeType == SHPT_POINT || |
534 | 0 | hSHP->nShapeType == SHPT_POINTM || hSHP->nShapeType == SHPT_POINTZ) |
535 | 0 | { |
536 | 0 | if (wkbFlatten(poGeom->getGeometryType()) != wkbPoint) |
537 | 0 | { |
538 | 0 | CPLError(CE_Failure, CPLE_AppDefined, |
539 | 0 | "Attempt to write non-point (%s) geometry to" |
540 | 0 | " point shapefile.", |
541 | 0 | poGeom->getGeometryName()); |
542 | |
|
543 | 0 | return OGRERR_UNSUPPORTED_GEOMETRY_TYPE; |
544 | 0 | } |
545 | | |
546 | 0 | const OGRPoint *poPoint = poGeom->toPoint(); |
547 | 0 | const double dfX = poPoint->getX(); |
548 | 0 | const double dfY = poPoint->getY(); |
549 | 0 | const double dfZ = poPoint->getZ(); |
550 | 0 | double dfM = -std::numeric_limits<double>::max(); |
551 | 0 | double *pdfM = nullptr; |
552 | 0 | if (wkbHasM(eLayerGeomType) && (hSHP->nShapeType == SHPT_POINTM || |
553 | 0 | hSHP->nShapeType == SHPT_POINTZ)) |
554 | 0 | { |
555 | 0 | if (poGeom->IsMeasured()) |
556 | 0 | dfM = poPoint->getM(); |
557 | 0 | pdfM = &dfM; |
558 | 0 | } |
559 | 0 | if ((!std::isfinite(dfX) || !std::isfinite(dfY) || |
560 | 0 | !std::isfinite(dfZ) || (pdfM && !std::isfinite(*pdfM))) && |
561 | 0 | !CPLTestBool(CPLGetConfigOption( |
562 | 0 | "OGR_SHAPE_ALLOW_NON_FINITE_COORDINATES", "NO"))) |
563 | 0 | { |
564 | 0 | CPLError(CE_Failure, CPLE_NotSupported, |
565 | 0 | "Coordinates with non-finite values are not allowed"); |
566 | 0 | return OGRERR_FAILURE; |
567 | 0 | } |
568 | 0 | SHPObject *psShape = |
569 | 0 | SHPCreateObject(hSHP->nShapeType, -1, 0, nullptr, nullptr, 1, &dfX, |
570 | 0 | &dfY, &dfZ, pdfM); |
571 | 0 | const int nReturnedShapeID = SHPWriteObject(hSHP, iShape, psShape); |
572 | 0 | SHPDestroyObject(psShape); |
573 | 0 | if (nReturnedShapeID == -1) |
574 | 0 | return OGRERR_FAILURE; |
575 | 0 | } |
576 | | /* ==================================================================== */ |
577 | | /* MultiPoint. */ |
578 | | /* ==================================================================== */ |
579 | 0 | else if (hSHP->nShapeType == SHPT_MULTIPOINT || |
580 | 0 | hSHP->nShapeType == SHPT_MULTIPOINTM || |
581 | 0 | hSHP->nShapeType == SHPT_MULTIPOINTZ) |
582 | 0 | { |
583 | 0 | if (wkbFlatten(poGeom->getGeometryType()) != wkbMultiPoint) |
584 | 0 | { |
585 | 0 | CPLError(CE_Failure, CPLE_AppDefined, |
586 | 0 | "Attempt to write non-multipoint (%s) geometry to " |
587 | 0 | "multipoint shapefile.", |
588 | 0 | poGeom->getGeometryName()); |
589 | |
|
590 | 0 | return OGRERR_UNSUPPORTED_GEOMETRY_TYPE; |
591 | 0 | } |
592 | | |
593 | 0 | const OGRMultiPoint *poMP = poGeom->toMultiPoint(); |
594 | 0 | const int nNumGeometries = poMP->getNumGeometries(); |
595 | 0 | const bool bHasZ = (hSHP->nShapeType == SHPT_MULTIPOINTM || |
596 | 0 | hSHP->nShapeType == SHPT_MULTIPOINTZ); |
597 | 0 | const bool bHasM = wkbHasM(eLayerGeomType) && bHasZ; |
598 | 0 | const bool bIsGeomMeasured = CPL_TO_BOOL(poGeom->IsMeasured()); |
599 | |
|
600 | 0 | std::vector<double> adfX; |
601 | 0 | std::vector<double> adfY; |
602 | 0 | std::vector<double> adfZ; |
603 | 0 | std::vector<double> adfM; |
604 | 0 | try |
605 | 0 | { |
606 | 0 | adfX.reserve(nNumGeometries); |
607 | 0 | adfY.reserve(nNumGeometries); |
608 | 0 | if (bHasZ) |
609 | 0 | adfZ.reserve(nNumGeometries); |
610 | 0 | if (bHasM) |
611 | 0 | adfM.reserve(nNumGeometries); |
612 | 0 | } |
613 | 0 | catch (const std::exception &e) |
614 | 0 | { |
615 | 0 | CPLError(CE_Failure, CPLE_OutOfMemory, "%s", e.what()); |
616 | 0 | return OGRERR_FAILURE; |
617 | 0 | } |
618 | | |
619 | 0 | for (const OGRPoint *poPoint : *poMP) |
620 | 0 | { |
621 | | // Ignore POINT EMPTY. |
622 | 0 | if (!poPoint->IsEmpty()) |
623 | 0 | { |
624 | 0 | adfX.push_back(poPoint->getX()); |
625 | 0 | adfY.push_back(poPoint->getY()); |
626 | 0 | if (bHasZ) |
627 | 0 | adfZ.push_back(poPoint->getZ()); |
628 | 0 | if (bHasM) |
629 | 0 | { |
630 | 0 | if (bIsGeomMeasured) |
631 | 0 | adfM.push_back(poPoint->getM()); |
632 | 0 | else |
633 | 0 | adfM.push_back(-std::numeric_limits<double>::max()); |
634 | 0 | } |
635 | 0 | } |
636 | 0 | else |
637 | 0 | { |
638 | 0 | CPLDebug("OGR", |
639 | 0 | "Ignored POINT EMPTY inside MULTIPOINT in shapefile " |
640 | 0 | "writer."); |
641 | 0 | } |
642 | 0 | } |
643 | 0 | if (!CheckNonFiniteCoordinates(adfX) || |
644 | 0 | !CheckNonFiniteCoordinates(adfY) || |
645 | 0 | !CheckNonFiniteCoordinates(adfZ) || |
646 | 0 | !CheckNonFiniteCoordinates(adfM)) |
647 | 0 | { |
648 | 0 | return OGRERR_FAILURE; |
649 | 0 | } |
650 | | |
651 | 0 | SHPObject *psShape = SHPCreateObject( |
652 | 0 | hSHP->nShapeType, -1, 0, nullptr, nullptr, |
653 | 0 | static_cast<int>(adfX.size()), adfX.data(), adfY.data(), |
654 | 0 | bHasZ ? adfZ.data() : nullptr, bHasM ? adfM.data() : nullptr); |
655 | 0 | const int nReturnedShapeID = SHPWriteObject(hSHP, iShape, psShape); |
656 | 0 | SHPDestroyObject(psShape); |
657 | |
|
658 | 0 | if (nReturnedShapeID == -1) |
659 | 0 | return OGRERR_FAILURE; |
660 | 0 | } |
661 | | |
662 | | /* ==================================================================== */ |
663 | | /* Arcs */ |
664 | | /* ==================================================================== */ |
665 | 0 | else if (hSHP->nShapeType == SHPT_ARC || hSHP->nShapeType == SHPT_ARCM || |
666 | 0 | hSHP->nShapeType == SHPT_ARCZ) |
667 | 0 | { |
668 | 0 | std::unique_ptr<OGRGeometry> poGeomToDelete; // keep in that scope |
669 | 0 | const OGRMultiLineString *poML = nullptr; |
670 | 0 | OGRMultiLineString oMLFromLineString; |
671 | 0 | const auto eFlatGeomType = wkbFlatten(poGeom->getGeometryType()); |
672 | 0 | if (eFlatGeomType == wkbMultiLineString) |
673 | 0 | { |
674 | 0 | poML = poGeom->toMultiLineString(); |
675 | 0 | } |
676 | 0 | else if (eFlatGeomType == wkbLineString) |
677 | 0 | { |
678 | | // Borrow the geometry |
679 | 0 | oMLFromLineString.addGeometryDirectly( |
680 | 0 | const_cast<OGRLineString *>(poGeom->toLineString())); |
681 | 0 | poML = &oMLFromLineString; |
682 | 0 | } |
683 | 0 | else |
684 | 0 | { |
685 | 0 | poGeomToDelete = std::unique_ptr<OGRGeometry>( |
686 | 0 | OGRGeometryFactory::forceToMultiLineString(poGeom->clone())); |
687 | 0 | if (wkbFlatten(poGeomToDelete->getGeometryType()) != |
688 | 0 | wkbMultiLineString) |
689 | 0 | { |
690 | 0 | CPLError(CE_Failure, CPLE_AppDefined, |
691 | 0 | "Attempt to write non-linestring (%s) geometry to " |
692 | 0 | "ARC type shapefile.", |
693 | 0 | poGeom->getGeometryName()); |
694 | |
|
695 | 0 | return OGRERR_UNSUPPORTED_GEOMETRY_TYPE; |
696 | 0 | } |
697 | 0 | poML = poGeomToDelete->toMultiLineString(); |
698 | 0 | } |
699 | | |
700 | 0 | const int nNumGeometries = poML->getNumGeometries(); |
701 | |
|
702 | 0 | int nTotalPoints = 0; |
703 | 0 | for (const auto poArc : poML) |
704 | 0 | { |
705 | 0 | const int nNumPoints = poArc->getNumPoints(); |
706 | 0 | if (nTotalPoints > std::numeric_limits<int>::max() - nNumPoints) |
707 | 0 | { |
708 | 0 | CPLError(CE_Failure, CPLE_AppDefined, "Too big geometry"); |
709 | 0 | return OGRERR_FAILURE; |
710 | 0 | } |
711 | 0 | nTotalPoints += nNumPoints; |
712 | 0 | } |
713 | | |
714 | 0 | std::vector<int> anRingStart; |
715 | 0 | std::vector<double> adfX; |
716 | 0 | std::vector<double> adfY; |
717 | 0 | std::vector<double> adfZ; |
718 | 0 | std::vector<double> adfM; |
719 | 0 | const bool bHasZ = |
720 | 0 | (hSHP->nShapeType == SHPT_ARCM || hSHP->nShapeType == SHPT_ARCZ); |
721 | 0 | const bool bHasM = wkbHasM(eLayerGeomType) && bHasZ; |
722 | 0 | const bool bIsGeomMeasured = CPL_TO_BOOL(poGeom->IsMeasured()); |
723 | |
|
724 | 0 | try |
725 | 0 | { |
726 | 0 | anRingStart.reserve(nNumGeometries); |
727 | |
|
728 | 0 | adfX.reserve(nTotalPoints); |
729 | 0 | adfY.reserve(nTotalPoints); |
730 | 0 | if (bHasZ) |
731 | 0 | { |
732 | 0 | adfZ.reserve(nTotalPoints); |
733 | 0 | } |
734 | 0 | if (bHasM) |
735 | 0 | { |
736 | 0 | adfM.reserve(nTotalPoints); |
737 | 0 | } |
738 | 0 | } |
739 | 0 | catch (const std::exception &e) |
740 | 0 | { |
741 | 0 | CPLError(CE_Failure, CPLE_OutOfMemory, "%s", e.what()); |
742 | | // Give back the borrowed line string |
743 | 0 | if (eFlatGeomType == wkbLineString) |
744 | 0 | oMLFromLineString.removeGeometry(0, /* bDelete=*/false); |
745 | 0 | return OGRERR_FAILURE; |
746 | 0 | } |
747 | | |
748 | 0 | for (const auto poArc : poML) |
749 | 0 | { |
750 | 0 | const int nNumPoints = poArc->getNumPoints(); |
751 | | |
752 | | // Ignore LINESTRING EMPTY. |
753 | 0 | if (nNumPoints == 0) |
754 | 0 | { |
755 | 0 | CPLDebug("OGR", |
756 | 0 | "Ignore LINESTRING EMPTY inside MULTILINESTRING in " |
757 | 0 | "shapefile writer."); |
758 | 0 | continue; |
759 | 0 | } |
760 | | |
761 | 0 | anRingStart.push_back(static_cast<int>(adfX.size())); |
762 | |
|
763 | 0 | for (int iPoint = 0; iPoint < nNumPoints; iPoint++) |
764 | 0 | { |
765 | 0 | adfX.push_back(poArc->getX(iPoint)); |
766 | 0 | adfY.push_back(poArc->getY(iPoint)); |
767 | 0 | if (bHasZ) |
768 | 0 | { |
769 | 0 | adfZ.push_back(poArc->getZ(iPoint)); |
770 | 0 | } |
771 | 0 | if (bHasM) |
772 | 0 | { |
773 | 0 | if (bIsGeomMeasured) |
774 | 0 | adfM.push_back(poArc->getM(iPoint)); |
775 | 0 | else |
776 | 0 | adfM.push_back(-std::numeric_limits<double>::max()); |
777 | 0 | } |
778 | 0 | } |
779 | 0 | } |
780 | | |
781 | | // Give back the borrowed line string |
782 | 0 | if (eFlatGeomType == wkbLineString) |
783 | 0 | oMLFromLineString.removeGeometry(0, /* bDelete=*/false); |
784 | |
|
785 | 0 | if (!CheckNonFiniteCoordinates(adfX) || |
786 | 0 | !CheckNonFiniteCoordinates(adfY) || |
787 | 0 | !CheckNonFiniteCoordinates(adfZ) || |
788 | 0 | !CheckNonFiniteCoordinates(adfM)) |
789 | 0 | { |
790 | 0 | return OGRERR_FAILURE; |
791 | 0 | } |
792 | | |
793 | 0 | SHPObject *psShape = SHPCreateObject( |
794 | 0 | hSHP->nShapeType, iShape, static_cast<int>(anRingStart.size()), |
795 | 0 | anRingStart.data(), nullptr, static_cast<int>(adfX.size()), |
796 | 0 | adfX.data(), adfY.data(), bHasZ ? adfZ.data() : nullptr, |
797 | 0 | bHasM ? adfM.data() : nullptr); |
798 | 0 | const int nReturnedShapeID = SHPWriteObject(hSHP, iShape, psShape); |
799 | 0 | SHPDestroyObject(psShape); |
800 | |
|
801 | 0 | if (nReturnedShapeID == -1) |
802 | 0 | return OGRERR_FAILURE; |
803 | 0 | } |
804 | | |
805 | | /* ==================================================================== */ |
806 | | /* Polygons/MultiPolygons */ |
807 | | /* ==================================================================== */ |
808 | 0 | else if (hSHP->nShapeType == SHPT_POLYGON || |
809 | 0 | hSHP->nShapeType == SHPT_POLYGONM || |
810 | 0 | hSHP->nShapeType == SHPT_POLYGONZ) |
811 | 0 | { |
812 | | // bool = true means outer ring |
813 | 0 | std::vector<std::pair<const OGRLinearRing *, bool>> apoRings; |
814 | 0 | const OGRwkbGeometryType eType = wkbFlatten(poGeom->getGeometryType()); |
815 | 0 | std::unique_ptr<OGRGeometry> poGeomToDelete; |
816 | |
|
817 | 0 | if (eType == wkbPolygon || eType == wkbTriangle) |
818 | 0 | { |
819 | 0 | const OGRPolygon *poPoly = poGeom->toPolygon(); |
820 | |
|
821 | 0 | if (poPoly->getExteriorRing() == nullptr || |
822 | 0 | poPoly->getExteriorRing()->IsEmpty()) |
823 | 0 | { |
824 | 0 | CPLDebug("OGR", "Ignore POLYGON EMPTY in shapefile writer."); |
825 | 0 | } |
826 | 0 | else |
827 | 0 | { |
828 | 0 | const int nSrcRings = poPoly->getNumInteriorRings() + 1; |
829 | 0 | apoRings.reserve(nSrcRings); |
830 | 0 | bool bFirstRing = true; |
831 | 0 | for (const auto poRing : poPoly) |
832 | 0 | { |
833 | 0 | const int nNumPoints = poRing->getNumPoints(); |
834 | | |
835 | | // Ignore LINEARRING EMPTY. |
836 | 0 | if (nNumPoints != 0) |
837 | 0 | { |
838 | 0 | apoRings.push_back(std::make_pair(poRing, bFirstRing)); |
839 | 0 | } |
840 | 0 | else |
841 | 0 | { |
842 | 0 | CPLDebug("OGR", |
843 | 0 | "Ignore LINEARRING EMPTY inside POLYGON in " |
844 | 0 | "shapefile writer."); |
845 | 0 | } |
846 | 0 | bFirstRing = false; |
847 | 0 | } |
848 | 0 | } |
849 | 0 | } |
850 | 0 | else if (eType == wkbMultiPolygon || eType == wkbGeometryCollection || |
851 | 0 | eType == wkbPolyhedralSurface || eType == wkbTIN) |
852 | 0 | { |
853 | 0 | const OGRGeometryCollection *poGC; |
854 | | // for PolyhedralSurface and TIN |
855 | 0 | if (eType == wkbPolyhedralSurface || eType == wkbTIN) |
856 | 0 | { |
857 | 0 | poGeomToDelete = OGRGeometryFactory::forceTo( |
858 | 0 | std::unique_ptr<OGRGeometry>(poGeom->clone()), |
859 | 0 | wkbMultiPolygon, nullptr); |
860 | 0 | poGC = poGeomToDelete->toGeometryCollection(); |
861 | 0 | } |
862 | | |
863 | 0 | else |
864 | 0 | poGC = poGeom->toGeometryCollection(); |
865 | | |
866 | | // Shouldn't happen really, but to please x86_64-w64-mingw32-g++ -O2 |
867 | | // -Wnull-dereference |
868 | 0 | if (poGC == nullptr) |
869 | 0 | return OGRERR_UNSUPPORTED_GEOMETRY_TYPE; |
870 | | |
871 | 0 | for (const auto poSubGeom : poGC) |
872 | 0 | { |
873 | 0 | if (wkbFlatten(poSubGeom->getGeometryType()) != wkbPolygon) |
874 | 0 | { |
875 | 0 | CPLError(CE_Failure, CPLE_AppDefined, |
876 | 0 | "Attempt to write non-polygon (%s) geometry to " |
877 | 0 | "POLYGON type shapefile.", |
878 | 0 | poSubGeom->getGeometryName()); |
879 | |
|
880 | 0 | return OGRERR_UNSUPPORTED_GEOMETRY_TYPE; |
881 | 0 | } |
882 | 0 | const OGRPolygon *poPoly = poSubGeom->toPolygon(); |
883 | | |
884 | | // Ignore POLYGON EMPTY. |
885 | 0 | if (poPoly->getExteriorRing() == nullptr || |
886 | 0 | poPoly->getExteriorRing()->IsEmpty()) |
887 | 0 | { |
888 | 0 | CPLDebug("OGR", |
889 | 0 | "Ignore POLYGON EMPTY inside MULTIPOLYGON in " |
890 | 0 | "shapefile writer."); |
891 | 0 | continue; |
892 | 0 | } |
893 | | |
894 | 0 | const int nNumInteriorRings = poPoly->getNumInteriorRings(); |
895 | | // to avoid coverity scan warning: "To avoid a quadratic time |
896 | | // penalty when using reserve(), always increase the capacity |
897 | | /// by a multiple of its current value" |
898 | 0 | if (apoRings.size() + nNumInteriorRings + 1 > |
899 | 0 | apoRings.capacity() && |
900 | 0 | apoRings.size() < std::numeric_limits<size_t>::max() / 2) |
901 | 0 | { |
902 | 0 | apoRings.reserve(std::max( |
903 | 0 | 2 * apoRings.size(), apoRings.size() + apoRings.size() + |
904 | 0 | nNumInteriorRings + 1)); |
905 | 0 | } |
906 | 0 | bool bFirstRing = true; |
907 | 0 | for (const auto poRing : poPoly) |
908 | 0 | { |
909 | 0 | const int nNumPoints = poRing->getNumPoints(); |
910 | | |
911 | | // Ignore LINEARRING EMPTY. |
912 | 0 | if (nNumPoints != 0) |
913 | 0 | { |
914 | 0 | apoRings.push_back(std::make_pair(poRing, bFirstRing)); |
915 | 0 | } |
916 | 0 | else |
917 | 0 | { |
918 | 0 | CPLDebug("OGR", |
919 | 0 | "Ignore LINEARRING EMPTY inside POLYGON in " |
920 | 0 | "shapefile writer."); |
921 | 0 | } |
922 | 0 | bFirstRing = false; |
923 | 0 | } |
924 | 0 | } |
925 | 0 | } |
926 | 0 | else |
927 | 0 | { |
928 | 0 | CPLError(CE_Failure, CPLE_AppDefined, |
929 | 0 | "Attempt to write non-polygon (%s) geometry to " |
930 | 0 | "POLYGON type shapefile.", |
931 | 0 | poGeom->getGeometryName()); |
932 | |
|
933 | 0 | return OGRERR_UNSUPPORTED_GEOMETRY_TYPE; |
934 | 0 | } |
935 | | |
936 | | /* -------------------------------------------------------------------- |
937 | | */ |
938 | | /* If we only had emptypolygons or unacceptable geometries */ |
939 | | /* write NULL geometry object. */ |
940 | | /* -------------------------------------------------------------------- |
941 | | */ |
942 | 0 | if (apoRings.empty()) |
943 | 0 | { |
944 | 0 | SHPObject *psShape = |
945 | 0 | SHPCreateObject(SHPT_NULL, -1, 0, nullptr, nullptr, 0, nullptr, |
946 | 0 | nullptr, nullptr, nullptr); |
947 | 0 | const int nReturnedShapeID = SHPWriteObject(hSHP, iShape, psShape); |
948 | 0 | SHPDestroyObject(psShape); |
949 | |
|
950 | 0 | if (nReturnedShapeID == -1) |
951 | 0 | return OGRERR_FAILURE; |
952 | | |
953 | 0 | return OGRERR_NONE; |
954 | 0 | } |
955 | | |
956 | | // Count vertices. |
957 | 0 | int nVertex = 0; |
958 | 0 | for (const auto &ring : apoRings) |
959 | 0 | nVertex += ring.first->getNumPoints(); |
960 | |
|
961 | 0 | const bool bHasZ = (hSHP->nShapeType == SHPT_POLYGONM || |
962 | 0 | hSHP->nShapeType == SHPT_POLYGONZ); |
963 | 0 | const bool bHasM = wkbHasM(eLayerGeomType) && bHasZ; |
964 | 0 | const bool bIsGeomMeasured = CPL_TO_BOOL(poGeom->IsMeasured()); |
965 | |
|
966 | 0 | std::vector<int> anRingStart; |
967 | 0 | std::vector<double> adfX; |
968 | 0 | std::vector<double> adfY; |
969 | 0 | std::vector<double> adfZ; |
970 | 0 | std::vector<double> adfM; |
971 | 0 | try |
972 | 0 | { |
973 | 0 | anRingStart.reserve(apoRings.size()); |
974 | 0 | adfX.reserve(nVertex); |
975 | 0 | adfY.reserve(nVertex); |
976 | 0 | if (bHasZ) |
977 | 0 | adfZ.reserve(nVertex); |
978 | 0 | if (bHasM) |
979 | 0 | adfM.reserve(nVertex); |
980 | 0 | } |
981 | 0 | catch (const std::exception &e) |
982 | 0 | { |
983 | 0 | CPLError(CE_Failure, CPLE_OutOfMemory, "%s", e.what()); |
984 | 0 | return OGRERR_FAILURE; |
985 | 0 | } |
986 | | |
987 | | // Collect vertices. |
988 | 0 | for (const auto &ring : apoRings) |
989 | 0 | { |
990 | 0 | const auto poRing = ring.first; |
991 | 0 | const bool bIsOuterRing = ring.second; |
992 | 0 | anRingStart.push_back(static_cast<int>(adfX.size())); |
993 | |
|
994 | 0 | const int nNumPoints = poRing->getNumPoints(); |
995 | | // Exterior ring must be clockwise oriented in shapefiles |
996 | 0 | const bool bInvertOrder = |
997 | 0 | !bRewind && CPL_TO_BOOL(bIsOuterRing ? !poRing->isClockwise() |
998 | 0 | : poRing->isClockwise()); |
999 | 0 | for (int i = 0; i < nNumPoints; i++) |
1000 | 0 | { |
1001 | 0 | const int iPoint = bInvertOrder ? nNumPoints - 1 - i : i; |
1002 | 0 | adfX.push_back(poRing->getX(iPoint)); |
1003 | 0 | adfY.push_back(poRing->getY(iPoint)); |
1004 | 0 | if (bHasZ) |
1005 | 0 | adfZ.push_back(poRing->getZ(iPoint)); |
1006 | 0 | if (bHasM) |
1007 | 0 | { |
1008 | 0 | adfM.push_back(bIsGeomMeasured |
1009 | 0 | ? poRing->getM(iPoint) |
1010 | 0 | : -std::numeric_limits<double>::max()); |
1011 | 0 | } |
1012 | 0 | } |
1013 | 0 | } |
1014 | 0 | if (!CheckNonFiniteCoordinates(adfX) || |
1015 | 0 | !CheckNonFiniteCoordinates(adfY) || |
1016 | 0 | !CheckNonFiniteCoordinates(adfZ) || |
1017 | 0 | !CheckNonFiniteCoordinates(adfM)) |
1018 | 0 | { |
1019 | 0 | return OGRERR_FAILURE; |
1020 | 0 | } |
1021 | | |
1022 | 0 | SHPObject *psShape = SHPCreateObject( |
1023 | 0 | hSHP->nShapeType, iShape, static_cast<int>(anRingStart.size()), |
1024 | 0 | anRingStart.data(), nullptr, static_cast<int>(adfX.size()), |
1025 | 0 | adfX.data(), adfY.data(), bHasZ ? adfZ.data() : nullptr, |
1026 | 0 | bHasM ? adfM.data() : nullptr); |
1027 | 0 | if (bRewind) |
1028 | 0 | SHPRewindObject(hSHP, psShape); |
1029 | 0 | const int nReturnedShapeID = SHPWriteObject(hSHP, iShape, psShape); |
1030 | 0 | SHPDestroyObject(psShape); |
1031 | |
|
1032 | 0 | if (nReturnedShapeID == -1) |
1033 | 0 | return OGRERR_FAILURE; |
1034 | 0 | } |
1035 | | |
1036 | | /* ==================================================================== */ |
1037 | | /* Multipatch */ |
1038 | | /* ==================================================================== */ |
1039 | 0 | else if (hSHP->nShapeType == SHPT_MULTIPATCH) |
1040 | 0 | { |
1041 | 0 | int nParts = 0; |
1042 | 0 | std::vector<int> anPartStart; |
1043 | 0 | std::vector<int> anPartType; |
1044 | 0 | int nPoints = 0; |
1045 | 0 | std::vector<OGRRawPoint> aoPoints; |
1046 | 0 | std::vector<double> adfZ; |
1047 | 0 | OGRErr eErr = OGRCreateMultiPatch(poGeom, |
1048 | 0 | FALSE, // no SHPP_TRIANGLES |
1049 | 0 | nParts, anPartStart, anPartType, |
1050 | 0 | nPoints, aoPoints, adfZ); |
1051 | 0 | if (eErr != OGRERR_NONE) |
1052 | 0 | return OGRERR_UNSUPPORTED_GEOMETRY_TYPE; |
1053 | | |
1054 | 0 | std::vector<double> adfX(nPoints); |
1055 | 0 | std::vector<double> adfY(nPoints); |
1056 | 0 | for (int i = 0; i < nPoints; ++i) |
1057 | 0 | { |
1058 | 0 | adfX[i] = aoPoints[i].x; |
1059 | 0 | adfY[i] = aoPoints[i].y; |
1060 | 0 | } |
1061 | |
|
1062 | 0 | if (!CheckNonFiniteCoordinates(adfX.data(), nPoints) || |
1063 | 0 | !CheckNonFiniteCoordinates(adfY.data(), nPoints) || |
1064 | 0 | !CheckNonFiniteCoordinates(adfZ.data(), nPoints)) |
1065 | 0 | { |
1066 | 0 | return OGRERR_FAILURE; |
1067 | 0 | } |
1068 | | |
1069 | 0 | SHPObject *psShape = |
1070 | 0 | SHPCreateObject(hSHP->nShapeType, iShape, nParts, |
1071 | 0 | anPartStart.data(), anPartType.data(), nPoints, |
1072 | 0 | adfX.data(), adfY.data(), adfZ.data(), nullptr); |
1073 | 0 | if (bRewind) |
1074 | 0 | SHPRewindObject(hSHP, psShape); |
1075 | 0 | const int nReturnedShapeID = SHPWriteObject(hSHP, iShape, psShape); |
1076 | 0 | SHPDestroyObject(psShape); |
1077 | |
|
1078 | 0 | if (nReturnedShapeID == -1) |
1079 | 0 | return OGRERR_FAILURE; |
1080 | 0 | } |
1081 | | |
1082 | 0 | else |
1083 | 0 | { |
1084 | 0 | return OGRERR_UNSUPPORTED_GEOMETRY_TYPE; |
1085 | 0 | } |
1086 | | |
1087 | 0 | return OGRERR_NONE; |
1088 | 0 | } |
1089 | | |
1090 | | /************************************************************************/ |
1091 | | /* SHPReadOGRFeatureDefn() */ |
1092 | | /************************************************************************/ |
1093 | | |
1094 | | OGRFeatureDefn *SHPReadOGRFeatureDefn(const char *pszName, SHPHandle hSHP, |
1095 | | DBFHandle hDBF, VSILFILE *fpSHPXML, |
1096 | | const char *pszSHPEncoding, |
1097 | | int bAdjustType) |
1098 | | |
1099 | 0 | { |
1100 | 0 | int nAdjustableFields = 0; |
1101 | 0 | const int nFieldCount = hDBF ? DBFGetFieldCount(hDBF) : 0; |
1102 | |
|
1103 | 0 | OGRFeatureDefn *const poDefn = new OGRFeatureDefn(pszName); |
1104 | 0 | poDefn->Reference(); |
1105 | | |
1106 | | // Parse .shp.xml side car if available, to get long field names and aliases |
1107 | | // but only if they are consistent with the number of DBF fields and their |
1108 | | // content. |
1109 | 0 | std::vector<OGRFieldDefn> aFieldsFromSHPXML; |
1110 | 0 | if (fpSHPXML) |
1111 | 0 | { |
1112 | 0 | fpSHPXML->Seek(0, SEEK_END); |
1113 | 0 | const auto nSize = fpSHPXML->Tell(); |
1114 | 0 | if (nSize < 10 * 1024 * 1024) |
1115 | 0 | { |
1116 | 0 | fpSHPXML->Seek(0, SEEK_SET); |
1117 | 0 | GByte *pabyOut = nullptr; |
1118 | 0 | if (VSIIngestFile(fpSHPXML, nullptr, &pabyOut, nullptr, -1)) |
1119 | 0 | { |
1120 | 0 | const char *pszXML = reinterpret_cast<char *>(pabyOut); |
1121 | 0 | CPLXMLTreeCloser oTree(CPLParseXMLString(pszXML)); |
1122 | 0 | if (oTree) |
1123 | 0 | { |
1124 | 0 | const CPLXMLNode *psFields = |
1125 | 0 | CPLGetXMLNode(oTree.get(), "=metadata.eainfo.detailed"); |
1126 | 0 | int iField = 0; |
1127 | 0 | for (const CPLXMLNode *psIter = psFields ? psFields->psChild |
1128 | 0 | : nullptr; |
1129 | 0 | psIter; psIter = psIter->psNext) |
1130 | 0 | { |
1131 | 0 | if (psIter->eType != CXT_Element || |
1132 | 0 | strcmp(psIter->pszValue, "attr") != 0) |
1133 | 0 | continue; |
1134 | 0 | const char *pszType = |
1135 | 0 | CPLGetXMLValue(psIter, "attrtype", ""); |
1136 | 0 | if (strcmp(pszType, "OID") == 0 || |
1137 | 0 | strcmp(pszType, "Geometry") == 0) |
1138 | 0 | continue; |
1139 | 0 | const char *pszLabel = |
1140 | 0 | CPLGetXMLValue(psIter, "attrlabl", ""); |
1141 | 0 | if (iField == nFieldCount) |
1142 | 0 | { |
1143 | 0 | CPLDebug("Shape", |
1144 | 0 | "More fields in .shp.xml than in .dbf"); |
1145 | 0 | aFieldsFromSHPXML.clear(); |
1146 | 0 | break; |
1147 | 0 | } |
1148 | | |
1149 | 0 | char szFieldNameFromDBF[XBASE_FLDNAME_LEN_READ + 1] = |
1150 | 0 | {}; |
1151 | 0 | int nWidth = 0; |
1152 | 0 | int nPrecision = 0; |
1153 | 0 | CPL_IGNORE_RET_VAL( |
1154 | 0 | DBFGetFieldInfo(hDBF, iField, szFieldNameFromDBF, |
1155 | 0 | &nWidth, &nPrecision)); |
1156 | 0 | std::string osFieldNameFromDBF(szFieldNameFromDBF); |
1157 | 0 | if (strlen(pszSHPEncoding) > 0) |
1158 | 0 | { |
1159 | 0 | char *pszUTF8Field = |
1160 | 0 | CPLRecode(szFieldNameFromDBF, pszSHPEncoding, |
1161 | 0 | CPL_ENC_UTF8); |
1162 | 0 | osFieldNameFromDBF = pszUTF8Field; |
1163 | 0 | CPLFree(pszUTF8Field); |
1164 | 0 | } |
1165 | | // Check that field names are consistent |
1166 | 0 | if ((strlen(pszLabel) < 10 && |
1167 | 0 | pszLabel != osFieldNameFromDBF) || |
1168 | 0 | (strlen(pszLabel) >= 10 && |
1169 | 0 | osFieldNameFromDBF.size() >= 10 && |
1170 | 0 | strncmp(pszLabel, osFieldNameFromDBF.c_str(), 5) != |
1171 | 0 | 0)) |
1172 | 0 | { |
1173 | 0 | CPLDebug("Shape", |
1174 | 0 | "For field at index %d, mismatch between " |
1175 | 0 | ".shp.xml name (%s) vs .dbf name (%s)", |
1176 | 0 | iField, pszLabel, szFieldNameFromDBF); |
1177 | 0 | aFieldsFromSHPXML.clear(); |
1178 | 0 | break; |
1179 | 0 | } |
1180 | | |
1181 | 0 | OGRFieldDefn oField(pszLabel, OFTMaxType); |
1182 | 0 | const char *pszAlias = |
1183 | 0 | CPLGetXMLValue(psIter, "attalias", ""); |
1184 | 0 | if (pszAlias[0] && strcmp(pszLabel, pszAlias) != 0) |
1185 | 0 | oField.SetAlternativeName(pszAlias); |
1186 | 0 | const char *pszWidth = |
1187 | 0 | CPLGetXMLValue(psIter, "attwidth", ""); |
1188 | 0 | if (strcmp(pszType, "Integer") == 0 && |
1189 | 0 | strcmp(pszWidth, "4") == 0) |
1190 | 0 | oField.SetType(OFTInteger); |
1191 | 0 | aFieldsFromSHPXML.push_back(std::move(oField)); |
1192 | 0 | ++iField; |
1193 | 0 | } |
1194 | 0 | if (iField != nFieldCount) |
1195 | 0 | aFieldsFromSHPXML.clear(); |
1196 | 0 | } |
1197 | 0 | } |
1198 | 0 | CPLFree(pabyOut); |
1199 | 0 | } |
1200 | 0 | } |
1201 | |
|
1202 | 0 | for (int iField = 0; iField < nFieldCount; iField++) |
1203 | 0 | { |
1204 | | // On reading we support up to 11 characters |
1205 | 0 | char szFieldName[XBASE_FLDNAME_LEN_READ + 1] = {}; |
1206 | 0 | int nWidth = 0; |
1207 | 0 | int nPrecision = 0; |
1208 | 0 | DBFFieldType eDBFType = |
1209 | 0 | DBFGetFieldInfo(hDBF, iField, szFieldName, &nWidth, &nPrecision); |
1210 | |
|
1211 | 0 | OGRFieldDefn oField("", OFTInteger); |
1212 | 0 | if (!aFieldsFromSHPXML.empty()) |
1213 | 0 | { |
1214 | 0 | oField = aFieldsFromSHPXML[iField]; |
1215 | 0 | } |
1216 | 0 | else if (strlen(pszSHPEncoding) > 0) |
1217 | 0 | { |
1218 | 0 | char *const pszUTF8Field = |
1219 | 0 | CPLRecode(szFieldName, pszSHPEncoding, CPL_ENC_UTF8); |
1220 | 0 | oField.SetName(pszUTF8Field); |
1221 | 0 | CPLFree(pszUTF8Field); |
1222 | 0 | } |
1223 | 0 | else |
1224 | 0 | { |
1225 | 0 | oField.SetName(szFieldName); |
1226 | 0 | } |
1227 | |
|
1228 | 0 | oField.SetWidth(nWidth); |
1229 | 0 | oField.SetPrecision(nPrecision); |
1230 | |
|
1231 | 0 | if (eDBFType == FTDate) |
1232 | 0 | { |
1233 | | // Shapefile date has following 8-chars long format: |
1234 | | // |
1235 | | // 20060101. |
1236 | | // |
1237 | | // Split as YYYY/MM/DD, so 2 additional characters are required. |
1238 | 0 | oField.SetWidth(nWidth + 2); |
1239 | 0 | oField.SetType(OFTDate); |
1240 | 0 | } |
1241 | 0 | else if (eDBFType == FTDouble) |
1242 | 0 | { |
1243 | 0 | nAdjustableFields += (nPrecision == 0); |
1244 | 0 | if (nPrecision == 0 && nWidth < 19) |
1245 | 0 | { |
1246 | 0 | if (!aFieldsFromSHPXML.empty() && |
1247 | 0 | aFieldsFromSHPXML[iField].GetType() == OFTInteger) |
1248 | 0 | oField.SetType(OFTInteger); |
1249 | 0 | else |
1250 | 0 | oField.SetType(OFTInteger64); |
1251 | 0 | } |
1252 | 0 | else |
1253 | 0 | oField.SetType(OFTReal); |
1254 | 0 | } |
1255 | 0 | else if (eDBFType == FTInteger) |
1256 | 0 | oField.SetType(OFTInteger); |
1257 | 0 | else if (eDBFType == FTLogical) |
1258 | 0 | { |
1259 | 0 | oField.SetType(OFTInteger); |
1260 | 0 | oField.SetSubType(OFSTBoolean); |
1261 | 0 | } |
1262 | 0 | else |
1263 | 0 | oField.SetType(OFTString); |
1264 | |
|
1265 | 0 | poDefn->AddFieldDefn(&oField); |
1266 | 0 | } |
1267 | | |
1268 | | // Do an optional past if requested and needed to demote Integer64->Integer |
1269 | | // or Real->Integer64/Integer. |
1270 | 0 | if (nAdjustableFields && bAdjustType) |
1271 | 0 | { |
1272 | 0 | int *panAdjustableField = |
1273 | 0 | static_cast<int *>(CPLCalloc(sizeof(int), nFieldCount)); |
1274 | 0 | for (int iField = 0; iField < nFieldCount; iField++) |
1275 | 0 | { |
1276 | 0 | OGRFieldType eType = poDefn->GetFieldDefn(iField)->GetType(); |
1277 | 0 | if (poDefn->GetFieldDefn(iField)->GetPrecision() == 0 && |
1278 | 0 | (eType == OFTInteger64 || eType == OFTReal)) |
1279 | 0 | { |
1280 | 0 | panAdjustableField[iField] = TRUE; |
1281 | 0 | poDefn->GetFieldDefn(iField)->SetType(OFTInteger); |
1282 | 0 | } |
1283 | 0 | } |
1284 | |
|
1285 | 0 | const int nRowCount = DBFGetRecordCount(hDBF); |
1286 | 0 | for (int iRow = 0; iRow < nRowCount && nAdjustableFields; iRow++) |
1287 | 0 | { |
1288 | 0 | for (int iField = 0; iField < nFieldCount; iField++) |
1289 | 0 | { |
1290 | 0 | if (panAdjustableField[iField]) |
1291 | 0 | { |
1292 | 0 | const char *pszValue = |
1293 | 0 | DBFReadStringAttribute(hDBF, iRow, iField); |
1294 | 0 | const int nValueLength = static_cast<int>(strlen(pszValue)); |
1295 | 0 | if (nValueLength >= 10) |
1296 | 0 | { |
1297 | 0 | int bOverflow = FALSE; |
1298 | 0 | const GIntBig nVal = |
1299 | 0 | CPLAtoGIntBigEx(pszValue, FALSE, &bOverflow); |
1300 | 0 | if (bOverflow) |
1301 | 0 | { |
1302 | 0 | poDefn->GetFieldDefn(iField)->SetType(OFTReal); |
1303 | 0 | panAdjustableField[iField] = FALSE; |
1304 | 0 | nAdjustableFields--; |
1305 | 0 | } |
1306 | 0 | else if (!CPL_INT64_FITS_ON_INT32(nVal)) |
1307 | 0 | { |
1308 | 0 | poDefn->GetFieldDefn(iField)->SetType(OFTInteger64); |
1309 | 0 | if (poDefn->GetFieldDefn(iField)->GetWidth() <= 18) |
1310 | 0 | { |
1311 | 0 | panAdjustableField[iField] = FALSE; |
1312 | 0 | nAdjustableFields--; |
1313 | 0 | } |
1314 | 0 | } |
1315 | 0 | } |
1316 | 0 | } |
1317 | 0 | } |
1318 | 0 | } |
1319 | |
|
1320 | 0 | CPLFree(panAdjustableField); |
1321 | 0 | } |
1322 | |
|
1323 | 0 | if (hSHP == nullptr) |
1324 | 0 | { |
1325 | 0 | poDefn->SetGeomType(wkbNone); |
1326 | 0 | } |
1327 | 0 | else |
1328 | 0 | { |
1329 | 0 | switch (hSHP->nShapeType) |
1330 | 0 | { |
1331 | 0 | case SHPT_POINT: |
1332 | 0 | poDefn->SetGeomType(wkbPoint); |
1333 | 0 | break; |
1334 | | |
1335 | 0 | case SHPT_POINTZ: |
1336 | 0 | poDefn->SetGeomType(wkbPointZM); |
1337 | 0 | break; |
1338 | | |
1339 | 0 | case SHPT_POINTM: |
1340 | 0 | poDefn->SetGeomType(wkbPointM); |
1341 | 0 | break; |
1342 | | |
1343 | 0 | case SHPT_ARC: |
1344 | 0 | poDefn->SetGeomType(wkbLineString); |
1345 | 0 | break; |
1346 | | |
1347 | 0 | case SHPT_ARCZ: |
1348 | 0 | poDefn->SetGeomType(wkbLineStringZM); |
1349 | 0 | break; |
1350 | | |
1351 | 0 | case SHPT_ARCM: |
1352 | 0 | poDefn->SetGeomType(wkbLineStringM); |
1353 | 0 | break; |
1354 | | |
1355 | 0 | case SHPT_MULTIPOINT: |
1356 | 0 | poDefn->SetGeomType(wkbMultiPoint); |
1357 | 0 | break; |
1358 | | |
1359 | 0 | case SHPT_MULTIPOINTZ: |
1360 | 0 | poDefn->SetGeomType(wkbMultiPointZM); |
1361 | 0 | break; |
1362 | | |
1363 | 0 | case SHPT_MULTIPOINTM: |
1364 | 0 | poDefn->SetGeomType(wkbMultiPointM); |
1365 | 0 | break; |
1366 | | |
1367 | 0 | case SHPT_POLYGON: |
1368 | 0 | poDefn->SetGeomType(wkbPolygon); |
1369 | 0 | break; |
1370 | | |
1371 | 0 | case SHPT_POLYGONZ: |
1372 | 0 | poDefn->SetGeomType(wkbPolygonZM); |
1373 | 0 | break; |
1374 | | |
1375 | 0 | case SHPT_POLYGONM: |
1376 | 0 | poDefn->SetGeomType(wkbPolygonM); |
1377 | 0 | break; |
1378 | | |
1379 | 0 | case SHPT_MULTIPATCH: |
1380 | 0 | poDefn->SetGeomType(wkbUnknown); // not ideal |
1381 | 0 | break; |
1382 | 0 | } |
1383 | 0 | } |
1384 | | |
1385 | 0 | return poDefn; |
1386 | 0 | } |
1387 | | |
1388 | | /************************************************************************/ |
1389 | | /* SHPReadOGRFeature() */ |
1390 | | /************************************************************************/ |
1391 | | |
1392 | | OGRFeature *SHPReadOGRFeature(SHPHandle hSHP, DBFHandle hDBF, |
1393 | | OGRFeatureDefn *poDefn, int iShape, |
1394 | | SHPObject *psShape, const char *pszSHPEncoding, |
1395 | | bool &bHasWarnedWrongWindingOrder) |
1396 | | |
1397 | 0 | { |
1398 | 0 | if (iShape < 0 || (hSHP != nullptr && iShape >= hSHP->nRecords) || |
1399 | 0 | (hDBF != nullptr && iShape >= hDBF->nRecords)) |
1400 | 0 | { |
1401 | 0 | CPLError(CE_Failure, CPLE_AppDefined, |
1402 | 0 | "Attempt to read shape with feature id (%d) out of available" |
1403 | 0 | " range.", |
1404 | 0 | iShape); |
1405 | 0 | return nullptr; |
1406 | 0 | } |
1407 | | |
1408 | 0 | if (hDBF && DBFIsRecordDeleted(hDBF, iShape)) |
1409 | 0 | { |
1410 | 0 | CPLError(CE_Failure, CPLE_AppDefined, |
1411 | 0 | "Attempt to read shape with feature id (%d), " |
1412 | 0 | "but it is marked deleted.", |
1413 | 0 | iShape); |
1414 | 0 | if (psShape != nullptr) |
1415 | 0 | SHPDestroyObject(psShape); |
1416 | 0 | return nullptr; |
1417 | 0 | } |
1418 | | |
1419 | 0 | OGRFeature *poFeature = new OGRFeature(poDefn); |
1420 | | |
1421 | | /* -------------------------------------------------------------------- */ |
1422 | | /* Fetch geometry from Shapefile to OGRFeature. */ |
1423 | | /* -------------------------------------------------------------------- */ |
1424 | 0 | if (hSHP != nullptr) |
1425 | 0 | { |
1426 | 0 | if (!poDefn->IsGeometryIgnored()) |
1427 | 0 | { |
1428 | 0 | OGRGeometry *poGeometry = SHPReadOGRObject( |
1429 | 0 | hSHP, iShape, psShape, bHasWarnedWrongWindingOrder); |
1430 | | |
1431 | | // Two possibilities are expected here (both are tested by |
1432 | | // GDAL Autotests): |
1433 | | // 1. Read valid geometry and assign it directly. |
1434 | | // 2. Read and assign null geometry if it can not be read |
1435 | | // correctly from a shapefile. |
1436 | | // |
1437 | | // It is NOT required here to test poGeometry == NULL. |
1438 | |
|
1439 | 0 | if (poGeometry) |
1440 | 0 | { |
1441 | | // Set/unset flags. |
1442 | 0 | const OGRwkbGeometryType eMyGeomType = |
1443 | 0 | poFeature->GetDefnRef()->GetGeomFieldDefn(0)->GetType(); |
1444 | |
|
1445 | 0 | if (eMyGeomType != wkbUnknown) |
1446 | 0 | { |
1447 | 0 | OGRwkbGeometryType eGeomInType = |
1448 | 0 | poGeometry->getGeometryType(); |
1449 | 0 | if (wkbHasZ(eMyGeomType) && !wkbHasZ(eGeomInType)) |
1450 | 0 | { |
1451 | 0 | poGeometry->set3D(TRUE); |
1452 | 0 | } |
1453 | 0 | else if (!wkbHasZ(eMyGeomType) && wkbHasZ(eGeomInType)) |
1454 | 0 | { |
1455 | 0 | poGeometry->set3D(FALSE); |
1456 | 0 | } |
1457 | 0 | if (wkbHasM(eMyGeomType) && !wkbHasM(eGeomInType)) |
1458 | 0 | { |
1459 | 0 | poGeometry->setMeasured(TRUE); |
1460 | 0 | } |
1461 | 0 | else if (!wkbHasM(eMyGeomType) && wkbHasM(eGeomInType)) |
1462 | 0 | { |
1463 | 0 | poGeometry->setMeasured(FALSE); |
1464 | 0 | } |
1465 | 0 | } |
1466 | 0 | } |
1467 | |
|
1468 | 0 | poFeature->SetGeometryDirectly(poGeometry); |
1469 | 0 | } |
1470 | 0 | else if (psShape != nullptr) |
1471 | 0 | { |
1472 | 0 | SHPDestroyObject(psShape); |
1473 | 0 | } |
1474 | 0 | } |
1475 | | |
1476 | | /* -------------------------------------------------------------------- */ |
1477 | | /* Fetch feature attributes to OGRFeature fields. */ |
1478 | | /* -------------------------------------------------------------------- */ |
1479 | |
|
1480 | 0 | for (int iField = 0; hDBF != nullptr && iField < poDefn->GetFieldCount(); |
1481 | 0 | iField++) |
1482 | 0 | { |
1483 | 0 | const OGRFieldDefn *const poFieldDefn = poDefn->GetFieldDefn(iField); |
1484 | 0 | if (poFieldDefn->IsIgnored()) |
1485 | 0 | continue; |
1486 | | |
1487 | 0 | switch (poFieldDefn->GetType()) |
1488 | 0 | { |
1489 | 0 | case OFTString: |
1490 | 0 | { |
1491 | 0 | const char *const pszFieldVal = |
1492 | 0 | DBFReadStringAttribute(hDBF, iShape, iField); |
1493 | 0 | if (pszFieldVal != nullptr && pszFieldVal[0] != '\0') |
1494 | 0 | { |
1495 | 0 | if (pszSHPEncoding[0] != '\0') |
1496 | 0 | { |
1497 | 0 | char *const pszUTF8Field = CPLRecode( |
1498 | 0 | pszFieldVal, pszSHPEncoding, CPL_ENC_UTF8); |
1499 | 0 | poFeature->SetField(iField, pszUTF8Field); |
1500 | 0 | CPLFree(pszUTF8Field); |
1501 | 0 | } |
1502 | 0 | else |
1503 | 0 | poFeature->SetField(iField, pszFieldVal); |
1504 | 0 | } |
1505 | 0 | else |
1506 | 0 | { |
1507 | 0 | poFeature->SetFieldNull(iField); |
1508 | 0 | } |
1509 | 0 | break; |
1510 | 0 | } |
1511 | 0 | case OFTInteger: |
1512 | 0 | case OFTInteger64: |
1513 | 0 | case OFTReal: |
1514 | 0 | { |
1515 | 0 | if (DBFIsAttributeNULL(hDBF, iShape, iField)) |
1516 | 0 | { |
1517 | 0 | poFeature->SetFieldNull(iField); |
1518 | 0 | } |
1519 | 0 | else |
1520 | 0 | { |
1521 | 0 | if (poFieldDefn->GetSubType() == OFSTBoolean) |
1522 | 0 | { |
1523 | 0 | const char *pszVal = |
1524 | 0 | DBFReadLogicalAttribute(hDBF, iShape, iField); |
1525 | 0 | poFeature->SetField( |
1526 | 0 | iField, pszVal[0] == 'T' || pszVal[0] == 't' || |
1527 | 0 | pszVal[0] == 'Y' || pszVal[0] == 'y' |
1528 | 0 | ? 1 |
1529 | 0 | : 0); |
1530 | 0 | } |
1531 | 0 | else |
1532 | 0 | { |
1533 | 0 | const char *pszVal = |
1534 | 0 | DBFReadStringAttribute(hDBF, iShape, iField); |
1535 | 0 | poFeature->SetField(iField, pszVal); |
1536 | 0 | } |
1537 | 0 | } |
1538 | 0 | break; |
1539 | 0 | } |
1540 | 0 | case OFTDate: |
1541 | 0 | { |
1542 | 0 | if (DBFIsAttributeNULL(hDBF, iShape, iField)) |
1543 | 0 | { |
1544 | 0 | poFeature->SetFieldNull(iField); |
1545 | 0 | continue; |
1546 | 0 | } |
1547 | | |
1548 | 0 | const char *const pszDateValue = |
1549 | 0 | DBFReadStringAttribute(hDBF, iShape, iField); |
1550 | |
|
1551 | 0 | OGRField sFld; |
1552 | 0 | memset(&sFld, 0, sizeof(sFld)); |
1553 | |
|
1554 | 0 | if (strlen(pszDateValue) >= 10 && pszDateValue[2] == '/' && |
1555 | 0 | pszDateValue[5] == '/') |
1556 | 0 | { |
1557 | 0 | sFld.Date.Month = |
1558 | 0 | static_cast<GByte>(atoi(pszDateValue + 0)); |
1559 | 0 | sFld.Date.Day = static_cast<GByte>(atoi(pszDateValue + 3)); |
1560 | 0 | sFld.Date.Year = |
1561 | 0 | static_cast<GInt16>(atoi(pszDateValue + 6)); |
1562 | 0 | } |
1563 | 0 | else |
1564 | 0 | { |
1565 | 0 | const int nFullDate = atoi(pszDateValue); |
1566 | 0 | sFld.Date.Year = static_cast<GInt16>(nFullDate / 10000); |
1567 | 0 | sFld.Date.Month = |
1568 | 0 | static_cast<GByte>((nFullDate / 100) % 100); |
1569 | 0 | sFld.Date.Day = static_cast<GByte>(nFullDate % 100); |
1570 | 0 | } |
1571 | |
|
1572 | 0 | poFeature->SetField(iField, &sFld); |
1573 | 0 | } |
1574 | 0 | break; |
1575 | | |
1576 | 0 | default: |
1577 | 0 | CPLAssert(false); |
1578 | 0 | } |
1579 | 0 | } |
1580 | | |
1581 | 0 | if (poFeature != nullptr) |
1582 | 0 | poFeature->SetFID(iShape); |
1583 | |
|
1584 | 0 | return poFeature; |
1585 | 0 | } |
1586 | | |
1587 | | /************************************************************************/ |
1588 | | /* GrowField() */ |
1589 | | /************************************************************************/ |
1590 | | |
1591 | | static OGRErr GrowField(DBFHandle hDBF, int iField, OGRFieldDefn *poFieldDefn, |
1592 | | int nNewSize) |
1593 | 0 | { |
1594 | 0 | char szFieldName[20] = {}; |
1595 | 0 | int nOriWidth = 0; |
1596 | 0 | int nPrecision = 0; |
1597 | 0 | DBFGetFieldInfo(hDBF, iField, szFieldName, &nOriWidth, &nPrecision); |
1598 | |
|
1599 | 0 | CPLDebug("SHAPE", "Extending field %d (%s) from %d to %d characters", |
1600 | 0 | iField, poFieldDefn->GetNameRef(), nOriWidth, nNewSize); |
1601 | |
|
1602 | 0 | const char chNativeType = DBFGetNativeFieldType(hDBF, iField); |
1603 | 0 | if (!DBFAlterFieldDefn(hDBF, iField, szFieldName, chNativeType, nNewSize, |
1604 | 0 | nPrecision)) |
1605 | 0 | { |
1606 | 0 | CPLError(CE_Failure, CPLE_AppDefined, |
1607 | 0 | "Extending field %d (%s) from %d to %d characters failed", |
1608 | 0 | iField, poFieldDefn->GetNameRef(), nOriWidth, nNewSize); |
1609 | 0 | return OGRERR_FAILURE; |
1610 | 0 | } |
1611 | | |
1612 | 0 | auto oTemporaryUnsealer(poFieldDefn->GetTemporaryUnsealer()); |
1613 | 0 | poFieldDefn->SetWidth(nNewSize); |
1614 | 0 | return OGRERR_NONE; |
1615 | 0 | } |
1616 | | |
1617 | | /************************************************************************/ |
1618 | | /* SHPWriteOGRFeature() */ |
1619 | | /* */ |
1620 | | /* Write to an existing feature in a shapefile, or create a new */ |
1621 | | /* feature. */ |
1622 | | /************************************************************************/ |
1623 | | |
1624 | | OGRErr SHPWriteOGRFeature(SHPHandle hSHP, DBFHandle hDBF, |
1625 | | OGRFeatureDefn *poDefn, OGRFeature *poFeature, |
1626 | | const char *pszSHPEncoding, |
1627 | | bool *pbTruncationWarningEmitted, bool bRewind) |
1628 | | |
1629 | 0 | { |
1630 | | /* -------------------------------------------------------------------- */ |
1631 | | /* Write the geometry. */ |
1632 | | /* -------------------------------------------------------------------- */ |
1633 | 0 | if (hSHP != nullptr) |
1634 | 0 | { |
1635 | 0 | const OGRErr eErr = SHPWriteOGRObject( |
1636 | 0 | hSHP, static_cast<int>(poFeature->GetFID()), |
1637 | 0 | poFeature->GetGeometryRef(), bRewind, poDefn->GetGeomType()); |
1638 | 0 | if (eErr != OGRERR_NONE) |
1639 | 0 | return eErr; |
1640 | 0 | } |
1641 | | |
1642 | | /* -------------------------------------------------------------------- */ |
1643 | | /* If there is no DBF, the job is done now. */ |
1644 | | /* -------------------------------------------------------------------- */ |
1645 | 0 | if (hDBF == nullptr) |
1646 | 0 | { |
1647 | | /* -------------------------------------------------------------------- |
1648 | | */ |
1649 | | /* If this is a new feature, establish its feature id. */ |
1650 | | /* -------------------------------------------------------------------- |
1651 | | */ |
1652 | 0 | if (hSHP != nullptr && poFeature->GetFID() == OGRNullFID) |
1653 | 0 | poFeature->SetFID(hSHP->nRecords - 1); |
1654 | |
|
1655 | 0 | return OGRERR_NONE; |
1656 | 0 | } |
1657 | | |
1658 | | /* -------------------------------------------------------------------- */ |
1659 | | /* If this is a new feature, establish its feature id. */ |
1660 | | /* -------------------------------------------------------------------- */ |
1661 | 0 | if (poFeature->GetFID() == OGRNullFID) |
1662 | 0 | poFeature->SetFID(DBFGetRecordCount(hDBF)); |
1663 | | |
1664 | | /* -------------------------------------------------------------------- */ |
1665 | | /* If this is the first feature to be written, verify that we */ |
1666 | | /* have at least one attribute in the DBF file. If not, create */ |
1667 | | /* a dummy FID attribute to satisfy the requirement that there */ |
1668 | | /* be at least one attribute. */ |
1669 | | /* -------------------------------------------------------------------- */ |
1670 | 0 | if (DBFGetRecordCount(hDBF) == 0 && DBFGetFieldCount(hDBF) == 0) |
1671 | 0 | { |
1672 | 0 | CPLDebug( |
1673 | 0 | "OGR", |
1674 | 0 | "Created dummy FID field for shapefile since schema is empty."); |
1675 | 0 | DBFAddField(hDBF, "FID", FTInteger, 11, 0); |
1676 | 0 | } |
1677 | | |
1678 | | /* -------------------------------------------------------------------- */ |
1679 | | /* Write out dummy field value if it exists. */ |
1680 | | /* -------------------------------------------------------------------- */ |
1681 | 0 | if (poDefn->GetFieldCount() == 0) |
1682 | 0 | { |
1683 | 0 | if (DBFGetFieldCount(hDBF) == 1) |
1684 | 0 | { |
1685 | 0 | DBFWriteIntegerAttribute(hDBF, |
1686 | 0 | static_cast<int>(poFeature->GetFID()), 0, |
1687 | 0 | static_cast<int>(poFeature->GetFID())); |
1688 | 0 | } |
1689 | 0 | else if (DBFGetFieldCount(hDBF) == 0) |
1690 | 0 | { |
1691 | | // Far from being nominal... Could happen if deleting all fields |
1692 | | // of a DBF with rows |
1693 | 0 | DBFWriteAttributeDirectly( |
1694 | 0 | hDBF, static_cast<int>(poFeature->GetFID()), -1, nullptr); |
1695 | 0 | } |
1696 | 0 | } |
1697 | | |
1698 | | /* -------------------------------------------------------------------- */ |
1699 | | /* Write all the fields. */ |
1700 | | /* -------------------------------------------------------------------- */ |
1701 | 0 | for (int iField = 0; iField < poDefn->GetFieldCount(); iField++) |
1702 | 0 | { |
1703 | 0 | if (!poFeature->IsFieldSetAndNotNull(iField)) |
1704 | 0 | { |
1705 | 0 | DBFWriteNULLAttribute(hDBF, static_cast<int>(poFeature->GetFID()), |
1706 | 0 | iField); |
1707 | 0 | continue; |
1708 | 0 | } |
1709 | | |
1710 | 0 | OGRFieldDefn *const poFieldDefn = poDefn->GetFieldDefn(iField); |
1711 | |
|
1712 | 0 | switch (poFieldDefn->GetType()) |
1713 | 0 | { |
1714 | 0 | case OFTString: |
1715 | 0 | { |
1716 | 0 | const char *pszStr = poFeature->GetFieldAsString(iField); |
1717 | 0 | char *pszEncoded = nullptr; |
1718 | 0 | if (pszSHPEncoding[0] != '\0') |
1719 | 0 | { |
1720 | 0 | pszEncoded = |
1721 | 0 | CPLRecode(pszStr, CPL_ENC_UTF8, pszSHPEncoding); |
1722 | 0 | pszStr = pszEncoded; |
1723 | 0 | } |
1724 | |
|
1725 | 0 | int nStrLen = static_cast<int>(strlen(pszStr)); |
1726 | 0 | if (nStrLen > OGR_DBF_MAX_FIELD_WIDTH) |
1727 | 0 | { |
1728 | 0 | if (!(*pbTruncationWarningEmitted)) |
1729 | 0 | { |
1730 | 0 | *pbTruncationWarningEmitted = true; |
1731 | 0 | CPLError( |
1732 | 0 | CE_Warning, CPLE_AppDefined, |
1733 | 0 | "Value '%s' of field %s has been truncated to %d " |
1734 | 0 | "characters. This warning will not be emitted any " |
1735 | 0 | "more for that layer.", |
1736 | 0 | poFeature->GetFieldAsString(iField), |
1737 | 0 | poFieldDefn->GetNameRef(), OGR_DBF_MAX_FIELD_WIDTH); |
1738 | 0 | } |
1739 | |
|
1740 | 0 | nStrLen = OGR_DBF_MAX_FIELD_WIDTH; |
1741 | |
|
1742 | 0 | if (pszEncoded != nullptr && // For Coverity. |
1743 | 0 | EQUAL(pszSHPEncoding, CPL_ENC_UTF8)) |
1744 | 0 | { |
1745 | | // Truncate string by making sure we don't cut in the |
1746 | | // middle of a UTF-8 multibyte character |
1747 | | // Continuation bytes of such characters are of the form |
1748 | | // 10xxxxxx (0x80), whereas single-byte are 0xxxxxxx |
1749 | | // and the start of a multi-byte is 11xxxxxx |
1750 | 0 | const char *p = pszStr + nStrLen; |
1751 | 0 | while (nStrLen > 0) |
1752 | 0 | { |
1753 | 0 | if ((*p & 0xc0) != 0x80) |
1754 | 0 | { |
1755 | 0 | break; |
1756 | 0 | } |
1757 | | |
1758 | 0 | nStrLen--; |
1759 | 0 | p--; |
1760 | 0 | } |
1761 | |
|
1762 | 0 | pszEncoded[nStrLen] = 0; |
1763 | 0 | } |
1764 | 0 | } |
1765 | |
|
1766 | 0 | if (nStrLen > poFieldDefn->GetWidth()) |
1767 | 0 | { |
1768 | 0 | if (GrowField(hDBF, iField, poFieldDefn, nStrLen) != |
1769 | 0 | OGRERR_NONE) |
1770 | 0 | { |
1771 | 0 | CPLFree(pszEncoded); |
1772 | 0 | return OGRERR_FAILURE; |
1773 | 0 | } |
1774 | 0 | } |
1775 | | |
1776 | 0 | DBFWriteStringAttribute(hDBF, |
1777 | 0 | static_cast<int>(poFeature->GetFID()), |
1778 | 0 | iField, pszStr); |
1779 | |
|
1780 | 0 | CPLFree(pszEncoded); |
1781 | 0 | break; |
1782 | 0 | } |
1783 | 0 | case OFTInteger: |
1784 | 0 | case OFTInteger64: |
1785 | 0 | { |
1786 | 0 | if (poFieldDefn->GetSubType() == OFSTBoolean) |
1787 | 0 | { |
1788 | 0 | DBFWriteAttributeDirectly( |
1789 | 0 | hDBF, static_cast<int>(poFeature->GetFID()), iField, |
1790 | 0 | poFeature->GetFieldAsInteger(iField) ? "T" : "F"); |
1791 | 0 | } |
1792 | 0 | else |
1793 | 0 | { |
1794 | 0 | char szValue[32] = {}; |
1795 | 0 | const int nFieldWidth = poFieldDefn->GetWidth(); |
1796 | 0 | snprintf(szValue, sizeof(szValue), |
1797 | 0 | "%*" CPL_FRMT_GB_WITHOUT_PREFIX "d", |
1798 | 0 | std::min(nFieldWidth, |
1799 | 0 | static_cast<int>(sizeof(szValue)) - 1), |
1800 | 0 | poFeature->GetFieldAsInteger64(iField)); |
1801 | |
|
1802 | 0 | const int nStrLen = static_cast<int>(strlen(szValue)); |
1803 | 0 | if (nStrLen > nFieldWidth) |
1804 | 0 | { |
1805 | 0 | if (GrowField(hDBF, iField, poFieldDefn, nStrLen) != |
1806 | 0 | OGRERR_NONE) |
1807 | 0 | { |
1808 | 0 | return OGRERR_FAILURE; |
1809 | 0 | } |
1810 | 0 | } |
1811 | | |
1812 | 0 | DBFWriteAttributeDirectly( |
1813 | 0 | hDBF, static_cast<int>(poFeature->GetFID()), iField, |
1814 | 0 | szValue); |
1815 | 0 | } |
1816 | | |
1817 | 0 | break; |
1818 | 0 | } |
1819 | | |
1820 | 0 | case OFTReal: |
1821 | 0 | { |
1822 | 0 | const double dfVal = poFeature->GetFieldAsDouble(iField); |
1823 | | // IEEE754 doubles can store exact values of all integers |
1824 | | // below 2^53. |
1825 | 0 | if (poFieldDefn->GetPrecision() == 0 && |
1826 | 0 | fabs(dfVal) > (static_cast<GIntBig>(1) << 53)) |
1827 | 0 | { |
1828 | 0 | static int nCounter = 0; |
1829 | 0 | if (nCounter <= 10) |
1830 | 0 | { |
1831 | 0 | CPLError(CE_Warning, CPLE_AppDefined, |
1832 | 0 | "Value %.17g of field %s with 0 decimal of " |
1833 | 0 | "feature " CPL_FRMT_GIB |
1834 | 0 | " is bigger than 2^53. " |
1835 | 0 | "Precision loss likely occurred or going to " |
1836 | 0 | "happen.%s", |
1837 | 0 | dfVal, poFieldDefn->GetNameRef(), |
1838 | 0 | poFeature->GetFID(), |
1839 | 0 | (nCounter == 10) ? " This warning will not be " |
1840 | 0 | "emitted anymore." |
1841 | 0 | : ""); |
1842 | 0 | nCounter++; |
1843 | 0 | } |
1844 | 0 | } |
1845 | 0 | int ret = DBFWriteDoubleAttribute( |
1846 | 0 | hDBF, static_cast<int>(poFeature->GetFID()), iField, dfVal); |
1847 | 0 | if (!ret) |
1848 | 0 | { |
1849 | 0 | CPLError(CE_Warning, CPLE_AppDefined, |
1850 | 0 | "Value %.17g of field %s of feature " CPL_FRMT_GIB |
1851 | 0 | " not " |
1852 | 0 | "successfully written. Possibly due to too larger " |
1853 | 0 | "number " |
1854 | 0 | "with respect to field width", |
1855 | 0 | dfVal, poFieldDefn->GetNameRef(), |
1856 | 0 | poFeature->GetFID()); |
1857 | 0 | } |
1858 | 0 | break; |
1859 | 0 | } |
1860 | 0 | case OFTDate: |
1861 | 0 | { |
1862 | 0 | const OGRField *const psField = |
1863 | 0 | poFeature->GetRawFieldRef(iField); |
1864 | |
|
1865 | 0 | if (psField->Date.Year < 0 || psField->Date.Year > 9999) |
1866 | 0 | { |
1867 | 0 | CPLError( |
1868 | 0 | CE_Warning, CPLE_NotSupported, |
1869 | 0 | "Year < 0 or > 9999 is not a valid date for shapefile"); |
1870 | 0 | } |
1871 | 0 | else if (psField->Date.Year == 0 && psField->Date.Month == 0 && |
1872 | 0 | psField->Date.Day == 0) |
1873 | 0 | { |
1874 | 0 | DBFWriteNULLAttribute( |
1875 | 0 | hDBF, static_cast<int>(poFeature->GetFID()), iField); |
1876 | 0 | } |
1877 | 0 | else |
1878 | 0 | { |
1879 | 0 | DBFWriteIntegerAttribute( |
1880 | 0 | hDBF, static_cast<int>(poFeature->GetFID()), iField, |
1881 | 0 | psField->Date.Year * 10000 + psField->Date.Month * 100 + |
1882 | 0 | psField->Date.Day); |
1883 | 0 | } |
1884 | 0 | } |
1885 | 0 | break; |
1886 | | |
1887 | 0 | default: |
1888 | 0 | { |
1889 | | // Ignore fields of other types. |
1890 | 0 | break; |
1891 | 0 | } |
1892 | 0 | } |
1893 | 0 | } |
1894 | | |
1895 | 0 | return OGRERR_NONE; |
1896 | 0 | } |