/src/gdal/ogr/ogrsf_frmts/gmlas/ogrgmlaslayer.cpp
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1 | | /****************************************************************************** |
2 | | * Project: OGR |
3 | | * Purpose: OGRGMLASDriver implementation |
4 | | * Author: Even Rouault, <even dot rouault at spatialys dot com> |
5 | | * |
6 | | * Initial development funded by the European Earth observation programme |
7 | | * Copernicus |
8 | | * |
9 | | ****************************************************************************** |
10 | | * Copyright (c) 2016, Even Rouault, <even dot rouault at spatialys dot com> |
11 | | * |
12 | | * SPDX-License-Identifier: MIT |
13 | | ****************************************************************************/ |
14 | | |
15 | | #include "ogr_gmlas.h" |
16 | | #include "ogr_pgdump.h" |
17 | | #include "cpl_minixml.h" |
18 | | |
19 | | /************************************************************************/ |
20 | | /* OGRGMLASLayer() */ |
21 | | /************************************************************************/ |
22 | | |
23 | | OGRGMLASLayer::OGRGMLASLayer(OGRGMLASDataSource *poDS, |
24 | | const GMLASFeatureClass &oFC, |
25 | | OGRGMLASLayer *poParentLayer, |
26 | | bool bAlwaysGenerateOGRPKId) |
27 | 7.45k | : m_poDS(poDS), m_oFC(oFC), |
28 | 7.45k | m_poFeatureDefn(new OGRFeatureDefn(oFC.GetName())), |
29 | 7.45k | m_poParentLayer(poParentLayer) |
30 | 7.45k | { |
31 | 7.45k | m_poFeatureDefn->SetGeomType(wkbNone); |
32 | 7.45k | m_poFeatureDefn->Reference(); |
33 | | |
34 | 7.45k | SetDescription(m_poFeatureDefn->GetName()); |
35 | | |
36 | | // Are we a regular table ? |
37 | 7.45k | if (m_oFC.GetParentXPath().empty()) |
38 | 4.87k | { |
39 | 4.87k | if (bAlwaysGenerateOGRPKId) |
40 | 0 | { |
41 | 0 | OGRFieldDefn oFieldDefn(szOGR_PKID, OFTString); |
42 | 0 | oFieldDefn.SetNullable(false); |
43 | 0 | m_nIDFieldIdx = m_poFeatureDefn->GetFieldCount(); |
44 | 0 | m_bIDFieldIsGenerated = true; |
45 | 0 | m_poFeatureDefn->AddFieldDefn(&oFieldDefn); |
46 | 0 | } |
47 | | |
48 | | // Determine if we have an xs:ID attribute/elt, and if it is compulsory, |
49 | | // If so, place it as first field (not strictly required, but more |
50 | | // readable) or second field (if we also add a ogr_pkid) Furthermore |
51 | | // restrict that to attributes, because otherwise it is impractical in |
52 | | // the reader when joining related features. |
53 | 4.87k | const std::vector<GMLASField> &oFields = m_oFC.GetFields(); |
54 | 88.0k | for (int i = 0; i < static_cast<int>(oFields.size()); i++) |
55 | 83.2k | { |
56 | 83.2k | if (oFields[i].GetType() == GMLAS_FT_ID && |
57 | 83.2k | oFields[i].IsNotNullable() && |
58 | 83.2k | oFields[i].GetXPath().find('@') != std::string::npos) |
59 | 7 | { |
60 | 7 | OGRFieldDefn oFieldDefn(oFields[i].GetName(), OFTString); |
61 | 7 | oFieldDefn.SetNullable(false); |
62 | 7 | const int nOGRIdx = m_poFeatureDefn->GetFieldCount(); |
63 | 7 | if (m_nIDFieldIdx < 0) |
64 | 7 | m_nIDFieldIdx = nOGRIdx; |
65 | 7 | m_oMapFieldXPathToOGRFieldIdx[oFields[i].GetXPath()] = nOGRIdx; |
66 | 7 | m_oMapOGRFieldIdxtoFCFieldIdx[nOGRIdx] = i; |
67 | 7 | m_oMapFieldXPathToFCFieldIdx[oFields[i].GetXPath()] = i; |
68 | 7 | m_poFeatureDefn->AddFieldDefn(&oFieldDefn); |
69 | 7 | break; |
70 | 7 | } |
71 | 83.2k | } |
72 | | |
73 | | // If we don't have an explicit ID, then we need |
74 | | // to generate one, so that potentially related classes can reference it |
75 | | // (We could perhaps try to be clever to determine if we really need it) |
76 | 4.87k | if (m_nIDFieldIdx < 0) |
77 | 4.86k | { |
78 | 4.86k | OGRFieldDefn oFieldDefn(szOGR_PKID, OFTString); |
79 | 4.86k | oFieldDefn.SetNullable(false); |
80 | 4.86k | m_nIDFieldIdx = m_poFeatureDefn->GetFieldCount(); |
81 | 4.86k | m_bIDFieldIsGenerated = true; |
82 | 4.86k | m_poFeatureDefn->AddFieldDefn(&oFieldDefn); |
83 | 4.86k | } |
84 | 4.87k | } |
85 | | |
86 | 7.45k | OGRLayer *poLayersMetadataLayer = m_poDS->GetLayersMetadataLayer(); |
87 | 7.45k | OGRFeature *poLayerDescFeature = |
88 | 7.45k | new OGRFeature(poLayersMetadataLayer->GetLayerDefn()); |
89 | 7.45k | poLayerDescFeature->SetField(szLAYER_NAME, OGRGMLASLayer::GetName()); |
90 | 7.45k | if (!m_oFC.GetParentXPath().empty()) |
91 | 2.58k | { |
92 | 2.58k | poLayerDescFeature->SetField(szLAYER_CATEGORY, szJUNCTION_TABLE); |
93 | 2.58k | } |
94 | 4.87k | else |
95 | 4.87k | { |
96 | 4.87k | poLayerDescFeature->SetField(szLAYER_XPATH, m_oFC.GetXPath()); |
97 | | |
98 | 4.87k | poLayerDescFeature->SetField(szLAYER_CATEGORY, m_oFC.IsTopLevelElt() |
99 | 4.87k | ? szTOP_LEVEL_ELEMENT |
100 | 4.87k | : szNESTED_ELEMENT); |
101 | | |
102 | 4.87k | if (m_nIDFieldIdx >= 0) |
103 | 4.87k | { |
104 | 4.87k | poLayerDescFeature->SetField( |
105 | 4.87k | szLAYER_PKID_NAME, |
106 | 4.87k | m_poFeatureDefn->GetFieldDefn(m_nIDFieldIdx)->GetNameRef()); |
107 | 4.87k | } |
108 | | |
109 | | // If we are a child class, then add a field to reference the parent. |
110 | 4.87k | if (m_poParentLayer != nullptr) |
111 | 2.11k | { |
112 | 2.11k | CPLString osFieldName(szPARENT_PREFIX); |
113 | 2.11k | osFieldName += m_poParentLayer->GetLayerDefn() |
114 | 2.11k | ->GetFieldDefn(m_poParentLayer->GetIDFieldIdx()) |
115 | 2.11k | ->GetNameRef(); |
116 | 2.11k | poLayerDescFeature->SetField(szLAYER_PARENT_PKID_NAME, |
117 | 2.11k | osFieldName.c_str()); |
118 | 2.11k | } |
119 | | |
120 | 4.87k | if (!m_oFC.GetDocumentation().empty()) |
121 | 0 | { |
122 | 0 | poLayerDescFeature->SetField(szLAYER_DOCUMENTATION, |
123 | 0 | m_oFC.GetDocumentation()); |
124 | 0 | } |
125 | 4.87k | } |
126 | 7.45k | CPL_IGNORE_RET_VAL( |
127 | 7.45k | poLayersMetadataLayer->CreateFeature(poLayerDescFeature)); |
128 | 7.45k | delete poLayerDescFeature; |
129 | 7.45k | } |
130 | | |
131 | | /************************************************************************/ |
132 | | /* OGRGMLASLayer() */ |
133 | | /************************************************************************/ |
134 | | |
135 | | OGRGMLASLayer::OGRGMLASLayer(const char *pszLayerName) |
136 | 2.22k | : m_bLayerDefnFinalized(true), |
137 | 2.22k | m_poFeatureDefn(new OGRFeatureDefn(pszLayerName)) |
138 | | |
139 | 2.22k | { |
140 | 2.22k | m_poFeatureDefn->SetGeomType(wkbNone); |
141 | 2.22k | m_poFeatureDefn->Reference(); |
142 | | |
143 | 2.22k | SetDescription(m_poFeatureDefn->GetName()); |
144 | 2.22k | } |
145 | | |
146 | | /************************************************************************/ |
147 | | /* GetSWEChildAndType() */ |
148 | | /************************************************************************/ |
149 | | |
150 | | static CPLXMLNode *GetSWEChildAndType(CPLXMLNode *psNode, OGRFieldType &eType, |
151 | | OGRFieldSubType &eSubType) |
152 | 4.24k | { |
153 | 4.24k | eType = OFTString; |
154 | 4.24k | eSubType = OFSTNone; |
155 | 4.24k | CPLXMLNode *psChildNode = nullptr; |
156 | 4.24k | if ((psChildNode = CPLGetXMLNode(psNode, "Time")) != nullptr) |
157 | 2.07k | { |
158 | 2.07k | eType = OFTDateTime; |
159 | 2.07k | } |
160 | 2.16k | else if ((psChildNode = CPLGetXMLNode(psNode, "Quantity")) != nullptr) |
161 | 1.32k | { |
162 | 1.32k | eType = OFTReal; |
163 | 1.32k | } |
164 | 847 | else if ((psChildNode = CPLGetXMLNode(psNode, "Category")) != nullptr) |
165 | 426 | { |
166 | 426 | eType = OFTString; |
167 | 426 | } |
168 | 421 | else if ((psChildNode = CPLGetXMLNode(psNode, "Count")) != nullptr) |
169 | 7 | { |
170 | 7 | eType = OFTInteger; |
171 | 7 | } |
172 | 414 | else if ((psChildNode = CPLGetXMLNode(psNode, "Text")) != nullptr) |
173 | 152 | { |
174 | 152 | eType = OFTString; |
175 | 152 | } |
176 | 262 | else if ((psChildNode = CPLGetXMLNode(psNode, "Boolean")) != nullptr) |
177 | 145 | { |
178 | 145 | eType = OFTInteger; |
179 | 145 | eSubType = OFSTBoolean; |
180 | 145 | } |
181 | 4.24k | return psChildNode; |
182 | 4.24k | } |
183 | | |
184 | | /************************************************************************/ |
185 | | /* ProcessDataRecordOfDataArrayCreateFields() */ |
186 | | /************************************************************************/ |
187 | | |
188 | | void OGRGMLASLayer::ProcessDataRecordOfDataArrayCreateFields( |
189 | | OGRGMLASLayer *poParentLayer, CPLXMLNode *psDataRecord, |
190 | | OGRLayer *poFieldsMetadataLayer) |
191 | 2.22k | { |
192 | 2.22k | { |
193 | 2.22k | CPLString osFieldName(szPARENT_PREFIX); |
194 | 2.22k | osFieldName += poParentLayer->GetLayerDefn() |
195 | 2.22k | ->GetFieldDefn(poParentLayer->GetIDFieldIdx()) |
196 | 2.22k | ->GetNameRef(); |
197 | 2.22k | OGRFieldDefn oFieldDefn(osFieldName, OFTString); |
198 | 2.22k | oFieldDefn.SetNullable(false); |
199 | 2.22k | m_poFeatureDefn->AddFieldDefn(&oFieldDefn); |
200 | 2.22k | } |
201 | | |
202 | 12.9k | for (CPLXMLNode *psIter = psDataRecord->psChild; psIter != nullptr; |
203 | 10.7k | psIter = psIter->psNext) |
204 | 10.7k | { |
205 | 10.7k | if (psIter->eType == CXT_Element && |
206 | 10.7k | strcmp(psIter->pszValue, "field") == 0) |
207 | 4.24k | { |
208 | 4.24k | const char *pszName = CPLGetXMLValue(psIter, "name", ""); |
209 | 4.24k | OGRFieldDefn oFieldDefn(CPLString(pszName).tolower(), OFTString); |
210 | 4.24k | OGRFieldType eType; |
211 | 4.24k | OGRFieldSubType eSubType; |
212 | 4.24k | CPLXMLNode *psNode = GetSWEChildAndType(psIter, eType, eSubType); |
213 | 4.24k | oFieldDefn.SetType(eType); |
214 | 4.24k | oFieldDefn.SetSubType(eSubType); |
215 | 4.24k | m_poFeatureDefn->AddFieldDefn(&oFieldDefn); |
216 | | |
217 | | // Register field in _ogr_fields_metadata |
218 | 4.24k | OGRFeature *poFieldDescFeature = |
219 | 4.24k | new OGRFeature(poFieldsMetadataLayer->GetLayerDefn()); |
220 | 4.24k | poFieldDescFeature->SetField(szLAYER_NAME, GetName()); |
221 | 4.24k | m_nMaxFieldIndex = m_poFeatureDefn->GetFieldCount() - 1; |
222 | 4.24k | poFieldDescFeature->SetField(szFIELD_INDEX, m_nMaxFieldIndex); |
223 | 4.24k | poFieldDescFeature->SetField(szFIELD_NAME, oFieldDefn.GetNameRef()); |
224 | 4.24k | if (psNode) |
225 | 4.12k | { |
226 | 4.12k | poFieldDescFeature->SetField(szFIELD_TYPE, psNode->pszValue); |
227 | 4.12k | } |
228 | 4.24k | poFieldDescFeature->SetField(szFIELD_IS_LIST, 0); |
229 | 4.24k | poFieldDescFeature->SetField(szFIELD_MIN_OCCURS, 0); |
230 | 4.24k | poFieldDescFeature->SetField(szFIELD_MAX_OCCURS, 1); |
231 | 4.24k | poFieldDescFeature->SetField(szFIELD_CATEGORY, szSWE_FIELD); |
232 | 4.24k | if (psNode) |
233 | 4.12k | { |
234 | 4.12k | char *pszXML = CPLSerializeXMLTree(psNode); |
235 | 4.12k | poFieldDescFeature->SetField(szFIELD_DOCUMENTATION, pszXML); |
236 | 4.12k | CPLFree(pszXML); |
237 | 4.12k | } |
238 | 4.24k | CPL_IGNORE_RET_VAL( |
239 | 4.24k | poFieldsMetadataLayer->CreateFeature(poFieldDescFeature)); |
240 | 4.24k | delete poFieldDescFeature; |
241 | 4.24k | } |
242 | 10.7k | } |
243 | 2.22k | } |
244 | | |
245 | | /************************************************************************/ |
246 | | /* ProcessDataRecordCreateFields() */ |
247 | | /************************************************************************/ |
248 | | |
249 | | void OGRGMLASLayer::ProcessDataRecordCreateFields( |
250 | | CPLXMLNode *psDataRecord, const std::vector<OGRFeature *> &apoFeatures, |
251 | | OGRLayer *poFieldsMetadataLayer) |
252 | 0 | { |
253 | 0 | for (CPLXMLNode *psIter = psDataRecord->psChild; psIter != nullptr; |
254 | 0 | psIter = psIter->psNext) |
255 | 0 | { |
256 | 0 | if (psIter->eType == CXT_Element && |
257 | 0 | strcmp(psIter->pszValue, "field") == 0) |
258 | 0 | { |
259 | 0 | const char *pszName = CPLGetXMLValue(psIter, "name", ""); |
260 | 0 | CPLString osName = CPLString(pszName).tolower(); |
261 | 0 | OGRFieldDefn oFieldDefn(osName, OFTString); |
262 | 0 | OGRFieldType eType; |
263 | 0 | OGRFieldSubType eSubType; |
264 | 0 | CPLXMLNode *psChildNode = |
265 | 0 | GetSWEChildAndType(psIter, eType, eSubType); |
266 | 0 | oFieldDefn.SetType(eType); |
267 | 0 | oFieldDefn.SetSubType(eSubType); |
268 | 0 | if (psChildNode != nullptr && |
269 | 0 | m_oMapSWEFieldToOGRFieldName.find(osName) == |
270 | 0 | m_oMapSWEFieldToOGRFieldName.end()) |
271 | 0 | { |
272 | 0 | const int nValidFields = m_poFeatureDefn->GetFieldCount(); |
273 | |
|
274 | 0 | CPLString osSWEField(osName); |
275 | 0 | if (m_poFeatureDefn->GetFieldIndex(osName) >= 0) |
276 | 0 | osName = "swe_field_" + osName; |
277 | 0 | m_oMapSWEFieldToOGRFieldName[osSWEField] = osName; |
278 | 0 | oFieldDefn.SetName((osName + "_value").c_str()); |
279 | 0 | m_poFeatureDefn->AddFieldDefn(&oFieldDefn); |
280 | | |
281 | | // Register field in _ogr_fields_metadata |
282 | 0 | OGRFeature *poFieldDescFeature = |
283 | 0 | new OGRFeature(poFieldsMetadataLayer->GetLayerDefn()); |
284 | 0 | poFieldDescFeature->SetField(szLAYER_NAME, GetName()); |
285 | 0 | m_nMaxFieldIndex++; |
286 | 0 | poFieldDescFeature->SetField(szFIELD_INDEX, m_nMaxFieldIndex); |
287 | 0 | poFieldDescFeature->SetField(szFIELD_NAME, |
288 | 0 | oFieldDefn.GetNameRef()); |
289 | 0 | poFieldDescFeature->SetField(szFIELD_TYPE, |
290 | 0 | psChildNode->pszValue); |
291 | 0 | poFieldDescFeature->SetField(szFIELD_IS_LIST, 0); |
292 | 0 | poFieldDescFeature->SetField(szFIELD_MIN_OCCURS, 0); |
293 | 0 | poFieldDescFeature->SetField(szFIELD_MAX_OCCURS, 1); |
294 | 0 | poFieldDescFeature->SetField(szFIELD_CATEGORY, szSWE_FIELD); |
295 | 0 | { |
296 | 0 | CPLXMLNode *psDupTree = CPLCloneXMLTree(psChildNode); |
297 | 0 | CPLXMLNode *psValue = CPLGetXMLNode(psDupTree, "value"); |
298 | 0 | if (psValue != nullptr) |
299 | 0 | { |
300 | 0 | CPLRemoveXMLChild(psDupTree, psValue); |
301 | 0 | CPLDestroyXMLNode(psValue); |
302 | 0 | } |
303 | 0 | char *pszXML = CPLSerializeXMLTree(psDupTree); |
304 | 0 | CPLDestroyXMLNode(psDupTree); |
305 | 0 | poFieldDescFeature->SetField(szFIELD_DOCUMENTATION, pszXML); |
306 | 0 | CPLFree(pszXML); |
307 | 0 | } |
308 | 0 | CPL_IGNORE_RET_VAL( |
309 | 0 | poFieldsMetadataLayer->CreateFeature(poFieldDescFeature)); |
310 | 0 | delete poFieldDescFeature; |
311 | |
|
312 | 0 | for (CPLXMLNode *psIter2 = psChildNode->psChild; |
313 | 0 | psIter2 != nullptr; psIter2 = psIter2->psNext) |
314 | 0 | { |
315 | 0 | if (psIter2->eType == CXT_Element && |
316 | 0 | strcmp(psIter2->pszValue, "value") != 0) |
317 | 0 | { |
318 | 0 | const CPLString osName2 = |
319 | 0 | CPLString(osName + "_" + psIter2->pszValue) |
320 | 0 | .tolower(); |
321 | 0 | for (CPLXMLNode *psIter3 = psIter2->psChild; |
322 | 0 | psIter3 != nullptr; psIter3 = psIter3->psNext) |
323 | 0 | { |
324 | 0 | if (psIter3->eType == CXT_Attribute) |
325 | 0 | { |
326 | 0 | const char *pszValue = psIter3->pszValue; |
327 | 0 | const char *pszColon = strchr(pszValue, ':'); |
328 | 0 | if (pszColon) |
329 | 0 | pszValue = pszColon + 1; |
330 | 0 | OGRFieldDefn oFieldDefn2( |
331 | 0 | CPLString(osName2 + "_" + pszValue) |
332 | 0 | .tolower(), |
333 | 0 | OFTString); |
334 | 0 | m_poFeatureDefn->AddFieldDefn(&oFieldDefn2); |
335 | 0 | } |
336 | 0 | else if (psIter3->eType == CXT_Text) |
337 | 0 | { |
338 | 0 | OGRFieldDefn oFieldDefn2(osName2, OFTString); |
339 | 0 | m_poFeatureDefn->AddFieldDefn(&oFieldDefn2); |
340 | 0 | } |
341 | 0 | } |
342 | 0 | } |
343 | 0 | } |
344 | |
|
345 | 0 | int *panRemap = static_cast<int *>( |
346 | 0 | CPLMalloc(sizeof(int) * m_poFeatureDefn->GetFieldCount())); |
347 | 0 | for (int i = 0; i < m_poFeatureDefn->GetFieldCount(); ++i) |
348 | 0 | { |
349 | 0 | if (i < nValidFields) |
350 | 0 | panRemap[i] = i; |
351 | 0 | else |
352 | 0 | panRemap[i] = -1; |
353 | 0 | } |
354 | |
|
355 | 0 | for (size_t i = 0; i < apoFeatures.size(); i++) |
356 | 0 | { |
357 | 0 | apoFeatures[i]->RemapFields(nullptr, panRemap); |
358 | 0 | } |
359 | |
|
360 | 0 | CPLFree(panRemap); |
361 | 0 | } |
362 | 0 | } |
363 | 0 | } |
364 | 0 | } |
365 | | |
366 | | /************************************************************************/ |
367 | | /* SetSWEValue() */ |
368 | | /************************************************************************/ |
369 | | |
370 | | static void SetSWEValue(OGRFeature *poFeature, const CPLString &osFieldName, |
371 | | const char *pszValue) |
372 | 0 | { |
373 | 0 | int iField = poFeature->GetDefnRef()->GetFieldIndex(osFieldName); |
374 | 0 | OGRFieldDefn *poFieldDefn = poFeature->GetFieldDefnRef(iField); |
375 | 0 | OGRFieldType eType(poFieldDefn->GetType()); |
376 | 0 | OGRFieldSubType eSubType(poFieldDefn->GetSubType()); |
377 | 0 | if (eType == OFTInteger && eSubType == OFSTBoolean) |
378 | 0 | { |
379 | 0 | poFeature->SetField( |
380 | 0 | iField, EQUAL(pszValue, "1") || EQUAL(pszValue, "True") ? 1 : 0); |
381 | 0 | } |
382 | 0 | else |
383 | 0 | { |
384 | 0 | poFeature->SetField(iField, pszValue); |
385 | 0 | } |
386 | 0 | } |
387 | | |
388 | | /************************************************************************/ |
389 | | /* ProcessDataRecordFillFeature() */ |
390 | | /************************************************************************/ |
391 | | |
392 | | void OGRGMLASLayer::ProcessDataRecordFillFeature(CPLXMLNode *psDataRecord, |
393 | | OGRFeature *poFeature) |
394 | 0 | { |
395 | 0 | for (CPLXMLNode *psIter = psDataRecord->psChild; psIter != nullptr; |
396 | 0 | psIter = psIter->psNext) |
397 | 0 | { |
398 | 0 | if (psIter->eType == CXT_Element && |
399 | 0 | strcmp(psIter->pszValue, "field") == 0) |
400 | 0 | { |
401 | 0 | const char *pszName = CPLGetXMLValue(psIter, "name", ""); |
402 | 0 | CPLString osName = CPLString(pszName).tolower(); |
403 | 0 | OGRFieldDefn oFieldDefn(osName, OFTString); |
404 | 0 | OGRFieldType eType; |
405 | 0 | OGRFieldSubType eSubType; |
406 | 0 | CPLXMLNode *psChildNode = |
407 | 0 | GetSWEChildAndType(psIter, eType, eSubType); |
408 | 0 | oFieldDefn.SetType(eType); |
409 | 0 | oFieldDefn.SetSubType(eSubType); |
410 | 0 | if (psChildNode == nullptr) |
411 | 0 | continue; |
412 | 0 | const auto oIter = m_oMapSWEFieldToOGRFieldName.find(osName); |
413 | 0 | CPLAssert(oIter != m_oMapSWEFieldToOGRFieldName.end()); |
414 | 0 | osName = oIter->second; |
415 | 0 | for (CPLXMLNode *psIter2 = psChildNode->psChild; psIter2 != nullptr; |
416 | 0 | psIter2 = psIter2->psNext) |
417 | 0 | { |
418 | 0 | if (psIter2->eType == CXT_Element) |
419 | 0 | { |
420 | 0 | const CPLString osName2 = |
421 | 0 | CPLString(osName + "_" + psIter2->pszValue).tolower(); |
422 | 0 | for (CPLXMLNode *psIter3 = psIter2->psChild; |
423 | 0 | psIter3 != nullptr; psIter3 = psIter3->psNext) |
424 | 0 | { |
425 | 0 | if (psIter3->eType == CXT_Attribute) |
426 | 0 | { |
427 | 0 | const char *pszValue = psIter3->pszValue; |
428 | 0 | const char *pszColon = strchr(pszValue, ':'); |
429 | 0 | if (pszColon) |
430 | 0 | pszValue = pszColon + 1; |
431 | 0 | SetSWEValue( |
432 | 0 | poFeature, |
433 | 0 | CPLString(osName2 + "_" + pszValue).tolower(), |
434 | 0 | psIter3->psChild->pszValue); |
435 | 0 | } |
436 | 0 | else if (psIter3->eType == CXT_Text) |
437 | 0 | { |
438 | 0 | SetSWEValue(poFeature, osName2, psIter3->pszValue); |
439 | 0 | } |
440 | 0 | } |
441 | 0 | } |
442 | 0 | } |
443 | 0 | } |
444 | 0 | } |
445 | 0 | } |
446 | | |
447 | | /************************************************************************/ |
448 | | /* PostInit() */ |
449 | | /************************************************************************/ |
450 | | |
451 | | void OGRGMLASLayer::PostInit(bool bIncludeGeometryXML) |
452 | 7.45k | { |
453 | 7.45k | const std::vector<GMLASField> &oFields = m_oFC.GetFields(); |
454 | | |
455 | 7.45k | OGRLayer *poFieldsMetadataLayer = m_poDS->GetFieldsMetadataLayer(); |
456 | 7.45k | OGRLayer *poRelationshipsLayer = m_poDS->GetRelationshipsLayer(); |
457 | | |
458 | | // Is it a junction table ? |
459 | 7.45k | if (!m_oFC.GetParentXPath().empty()) |
460 | 2.58k | { |
461 | 2.58k | { |
462 | 2.58k | OGRFieldDefn oFieldDefn(szOCCURRENCE, OFTInteger); |
463 | 2.58k | oFieldDefn.SetNullable(false); |
464 | 2.58k | m_poFeatureDefn->AddFieldDefn(&oFieldDefn); |
465 | | |
466 | 2.58k | OGRFeature *poFieldDescFeature = |
467 | 2.58k | new OGRFeature(poFieldsMetadataLayer->GetLayerDefn()); |
468 | 2.58k | poFieldDescFeature->SetField(szLAYER_NAME, GetName()); |
469 | 2.58k | poFieldDescFeature->SetField(szFIELD_NAME, oFieldDefn.GetNameRef()); |
470 | 2.58k | CPL_IGNORE_RET_VAL( |
471 | 2.58k | poFieldsMetadataLayer->CreateFeature(poFieldDescFeature)); |
472 | 2.58k | delete poFieldDescFeature; |
473 | 2.58k | } |
474 | | |
475 | 2.58k | { |
476 | 2.58k | OGRFieldDefn oFieldDefn(szPARENT_PKID, OFTString); |
477 | 2.58k | oFieldDefn.SetNullable(false); |
478 | 2.58k | m_poFeatureDefn->AddFieldDefn(&oFieldDefn); |
479 | | |
480 | 2.58k | OGRFeature *poFieldDescFeature = |
481 | 2.58k | new OGRFeature(poFieldsMetadataLayer->GetLayerDefn()); |
482 | 2.58k | poFieldDescFeature->SetField(szLAYER_NAME, GetName()); |
483 | 2.58k | poFieldDescFeature->SetField(szFIELD_NAME, oFieldDefn.GetNameRef()); |
484 | 2.58k | CPL_IGNORE_RET_VAL( |
485 | 2.58k | poFieldsMetadataLayer->CreateFeature(poFieldDescFeature)); |
486 | 2.58k | delete poFieldDescFeature; |
487 | 2.58k | } |
488 | 2.58k | { |
489 | 2.58k | OGRFieldDefn oFieldDefn(szCHILD_PKID, OFTString); |
490 | 2.58k | oFieldDefn.SetNullable(false); |
491 | 2.58k | m_poFeatureDefn->AddFieldDefn(&oFieldDefn); |
492 | | |
493 | 2.58k | OGRFeature *poFieldDescFeature = |
494 | 2.58k | new OGRFeature(poFieldsMetadataLayer->GetLayerDefn()); |
495 | 2.58k | poFieldDescFeature->SetField(szLAYER_NAME, GetName()); |
496 | 2.58k | poFieldDescFeature->SetField(szFIELD_NAME, oFieldDefn.GetNameRef()); |
497 | 2.58k | CPL_IGNORE_RET_VAL( |
498 | 2.58k | poFieldsMetadataLayer->CreateFeature(poFieldDescFeature)); |
499 | 2.58k | delete poFieldDescFeature; |
500 | 2.58k | } |
501 | | |
502 | 2.58k | return; |
503 | 2.58k | } |
504 | | |
505 | | // If we are a child class, then add a field to reference the parent. |
506 | 4.87k | if (m_poParentLayer != nullptr) |
507 | 2.11k | { |
508 | 2.11k | CPLString osFieldName(szPARENT_PREFIX); |
509 | 2.11k | osFieldName += m_poParentLayer->GetLayerDefn() |
510 | 2.11k | ->GetFieldDefn(m_poParentLayer->GetIDFieldIdx()) |
511 | 2.11k | ->GetNameRef(); |
512 | 2.11k | OGRFieldDefn oFieldDefn(osFieldName, OFTString); |
513 | 2.11k | oFieldDefn.SetNullable(false); |
514 | 2.11k | m_nParentIDFieldIdx = m_poFeatureDefn->GetFieldCount(); |
515 | 2.11k | m_poFeatureDefn->AddFieldDefn(&oFieldDefn); |
516 | 2.11k | } |
517 | | |
518 | 4.87k | int nFieldIndex = 0; |
519 | 92.7k | for (int i = 0; i < static_cast<int>(oFields.size()); i++) |
520 | 87.8k | { |
521 | 87.8k | OGRGMLASLayer *poRelatedLayer = nullptr; |
522 | 87.8k | const GMLASField &oField(oFields[i]); |
523 | | |
524 | 87.8k | m_oMapFieldXPathToFCFieldIdx[oField.GetXPath()] = i; |
525 | 87.8k | if (oField.IsIgnored()) |
526 | 0 | continue; |
527 | | |
528 | 87.8k | const GMLASField::Category eCategory(oField.GetCategory()); |
529 | 87.8k | if (!oField.GetRelatedClassXPath().empty()) |
530 | 19.3k | { |
531 | 19.3k | poRelatedLayer = |
532 | 19.3k | m_poDS->GetLayerByXPath(oField.GetRelatedClassXPath()); |
533 | 19.3k | if (poRelatedLayer != nullptr) |
534 | 19.3k | { |
535 | 19.3k | OGRFeature *poRelationshipsFeature = |
536 | 19.3k | new OGRFeature(poRelationshipsLayer->GetLayerDefn()); |
537 | 19.3k | poRelationshipsFeature->SetField(szPARENT_LAYER, GetName()); |
538 | 19.3k | poRelationshipsFeature->SetField( |
539 | 19.3k | szPARENT_PKID, GetLayerDefn() |
540 | 19.3k | ->GetFieldDefn(GetIDFieldIdx()) |
541 | 19.3k | ->GetNameRef()); |
542 | 19.3k | if (!oField.GetName().empty()) |
543 | 19.3k | { |
544 | 19.3k | poRelationshipsFeature->SetField(szPARENT_ELEMENT_NAME, |
545 | 19.3k | oField.GetName()); |
546 | 19.3k | } |
547 | 19.3k | poRelationshipsFeature->SetField(szCHILD_LAYER, |
548 | 19.3k | poRelatedLayer->GetName()); |
549 | 19.3k | if (eCategory == |
550 | 19.3k | GMLASField::PATH_TO_CHILD_ELEMENT_WITH_JUNCTION_TABLE || |
551 | 19.3k | eCategory == GMLASField::PATH_TO_CHILD_ELEMENT_WITH_LINK) |
552 | 17.2k | { |
553 | 17.2k | poRelationshipsFeature->SetField( |
554 | 17.2k | szCHILD_PKID, |
555 | 17.2k | poRelatedLayer->GetLayerDefn() |
556 | 17.2k | ->GetFieldDefn(poRelatedLayer->GetIDFieldIdx()) |
557 | 17.2k | ->GetNameRef()); |
558 | 17.2k | } |
559 | 2.11k | else |
560 | 2.11k | { |
561 | 2.11k | CPLAssert(eCategory == |
562 | 2.11k | GMLASField::PATH_TO_CHILD_ELEMENT_NO_LINK || |
563 | 2.11k | eCategory == GMLASField::GROUP); |
564 | | |
565 | 2.11k | poRelationshipsFeature->SetField( |
566 | 2.11k | szCHILD_PKID, (CPLString(szPARENT_PREFIX) + |
567 | 2.11k | GetLayerDefn() |
568 | 2.11k | ->GetFieldDefn(GetIDFieldIdx()) |
569 | 2.11k | ->GetNameRef()) |
570 | 2.11k | .c_str()); |
571 | 2.11k | } |
572 | 19.3k | CPL_IGNORE_RET_VAL(poRelationshipsLayer->CreateFeature( |
573 | 19.3k | poRelationshipsFeature)); |
574 | 19.3k | delete poRelationshipsFeature; |
575 | 19.3k | } |
576 | 0 | else |
577 | 0 | { |
578 | 0 | CPLDebug("GMLAS", "Cannot find class matching %s", |
579 | 0 | oField.GetRelatedClassXPath().c_str()); |
580 | 0 | } |
581 | 19.3k | } |
582 | | |
583 | 87.8k | OGRFeature *poFieldDescFeature = |
584 | 87.8k | new OGRFeature(poFieldsMetadataLayer->GetLayerDefn()); |
585 | 87.8k | poFieldDescFeature->SetField(szLAYER_NAME, GetName()); |
586 | | |
587 | 87.8k | ++nFieldIndex; |
588 | 87.8k | m_nMaxFieldIndex = nFieldIndex; |
589 | 87.8k | poFieldDescFeature->SetField(szFIELD_INDEX, nFieldIndex); |
590 | | |
591 | 87.8k | if (oField.GetName().empty()) |
592 | 0 | { |
593 | 0 | CPLAssert(eCategory == GMLASField::PATH_TO_CHILD_ELEMENT_NO_LINK || |
594 | 0 | eCategory == GMLASField::GROUP); |
595 | 0 | } |
596 | 87.8k | else |
597 | 87.8k | { |
598 | 87.8k | poFieldDescFeature->SetField(szFIELD_NAME, |
599 | 87.8k | oField.GetName().c_str()); |
600 | 87.8k | } |
601 | 87.8k | if (!oField.GetXPath().empty()) |
602 | 87.8k | { |
603 | 87.8k | poFieldDescFeature->SetField(szFIELD_XPATH, |
604 | 87.8k | oField.GetXPath().c_str()); |
605 | 87.8k | } |
606 | 0 | else if (!oField.GetAlternateXPaths().empty()) |
607 | 0 | { |
608 | 0 | CPLString osXPath; |
609 | 0 | const std::vector<CPLString> &aoXPaths = |
610 | 0 | oField.GetAlternateXPaths(); |
611 | 0 | for (size_t j = 0; j < aoXPaths.size(); j++) |
612 | 0 | { |
613 | 0 | if (j != 0) |
614 | 0 | osXPath += ","; |
615 | 0 | osXPath += aoXPaths[j]; |
616 | 0 | } |
617 | 0 | poFieldDescFeature->SetField(szFIELD_XPATH, osXPath.c_str()); |
618 | 0 | } |
619 | 87.8k | if (oField.GetTypeName().empty()) |
620 | 4.70k | { |
621 | 4.70k | CPLAssert( |
622 | 4.70k | eCategory == GMLASField::PATH_TO_CHILD_ELEMENT_NO_LINK || |
623 | 4.70k | eCategory == |
624 | 4.70k | GMLASField::PATH_TO_CHILD_ELEMENT_WITH_JUNCTION_TABLE || |
625 | 4.70k | eCategory == GMLASField::GROUP); |
626 | 4.70k | } |
627 | 83.1k | else |
628 | 83.1k | { |
629 | 83.1k | poFieldDescFeature->SetField(szFIELD_TYPE, |
630 | 83.1k | oField.GetTypeName().c_str()); |
631 | 83.1k | } |
632 | 87.8k | poFieldDescFeature->SetField(szFIELD_IS_LIST, |
633 | 87.8k | static_cast<int>(oField.IsList())); |
634 | 87.8k | if (oField.GetMinOccurs() != -1) |
635 | 57.1k | { |
636 | 57.1k | poFieldDescFeature->SetField(szFIELD_MIN_OCCURS, |
637 | 57.1k | oField.GetMinOccurs()); |
638 | 57.1k | } |
639 | 87.8k | if (oField.GetMaxOccurs() == MAXOCCURS_UNLIMITED) |
640 | 4.64k | { |
641 | 4.64k | poFieldDescFeature->SetField(szFIELD_MAX_OCCURS, INT_MAX); |
642 | 4.64k | } |
643 | 83.1k | else if (oField.GetMaxOccurs() != -1) |
644 | 52.3k | { |
645 | 52.3k | poFieldDescFeature->SetField(szFIELD_MAX_OCCURS, |
646 | 52.3k | oField.GetMaxOccurs()); |
647 | 52.3k | } |
648 | 87.8k | if (oField.GetMaxOccurs() == MAXOCCURS_UNLIMITED || |
649 | 87.8k | oField.GetMaxOccurs() > 1) |
650 | 4.70k | { |
651 | 4.70k | poFieldDescFeature->SetField(szFIELD_REPETITION_ON_SEQUENCE, |
652 | 4.70k | oField.GetRepetitionOnSequence() ? 1 |
653 | 4.70k | : 0); |
654 | 4.70k | } |
655 | 87.8k | if (!oField.GetFixedValue().empty()) |
656 | 1 | { |
657 | 1 | poFieldDescFeature->SetField(szFIELD_FIXED_VALUE, |
658 | 1 | oField.GetFixedValue()); |
659 | 1 | } |
660 | 87.8k | if (!oField.GetDefaultValue().empty()) |
661 | 0 | { |
662 | 0 | poFieldDescFeature->SetField(szFIELD_DEFAULT_VALUE, |
663 | 0 | oField.GetDefaultValue()); |
664 | 0 | } |
665 | 87.8k | switch (eCategory) |
666 | 87.8k | { |
667 | 68.5k | case GMLASField::REGULAR: |
668 | 68.5k | poFieldDescFeature->SetField(szFIELD_CATEGORY, szREGULAR); |
669 | 68.5k | break; |
670 | 2.11k | case GMLASField::PATH_TO_CHILD_ELEMENT_NO_LINK: |
671 | 2.11k | poFieldDescFeature->SetField(szFIELD_CATEGORY, |
672 | 2.11k | szPATH_TO_CHILD_ELEMENT_NO_LINK); |
673 | 2.11k | break; |
674 | 14.6k | case GMLASField::PATH_TO_CHILD_ELEMENT_WITH_LINK: |
675 | 14.6k | poFieldDescFeature->SetField(szFIELD_CATEGORY, |
676 | 14.6k | szPATH_TO_CHILD_ELEMENT_WITH_LINK); |
677 | 14.6k | break; |
678 | 2.58k | case GMLASField::PATH_TO_CHILD_ELEMENT_WITH_JUNCTION_TABLE: |
679 | 2.58k | poFieldDescFeature->SetField( |
680 | 2.58k | szFIELD_CATEGORY, |
681 | 2.58k | szPATH_TO_CHILD_ELEMENT_WITH_JUNCTION_TABLE); |
682 | 2.58k | break; |
683 | 0 | case GMLASField::GROUP: |
684 | 0 | poFieldDescFeature->SetField(szFIELD_CATEGORY, szGROUP); |
685 | 0 | break; |
686 | 0 | default: |
687 | 0 | CPLAssert(FALSE); |
688 | 0 | break; |
689 | 87.8k | } |
690 | 87.8k | if (poRelatedLayer != nullptr) |
691 | 19.3k | { |
692 | 19.3k | poFieldDescFeature->SetField(szFIELD_RELATED_LAYER, |
693 | 19.3k | poRelatedLayer->GetName()); |
694 | 19.3k | } |
695 | | |
696 | 87.8k | if (eCategory == GMLASField::PATH_TO_CHILD_ELEMENT_WITH_JUNCTION_TABLE) |
697 | 2.58k | { |
698 | 2.58k | const CPLString &osAbstractElementXPath( |
699 | 2.58k | oField.GetAbstractElementXPath()); |
700 | 2.58k | const CPLString &osNestedXPath(oField.GetRelatedClassXPath()); |
701 | 2.58k | CPLAssert(!osAbstractElementXPath.empty()); |
702 | 2.58k | CPLAssert(!osNestedXPath.empty()); |
703 | | |
704 | 2.58k | OGRGMLASLayer *poJunctionLayer = m_poDS->GetLayerByXPath( |
705 | 2.58k | osAbstractElementXPath + "|" + osNestedXPath); |
706 | 2.58k | if (poJunctionLayer != nullptr) |
707 | 2.58k | { |
708 | 2.58k | poFieldDescFeature->SetField(szFIELD_JUNCTION_LAYER, |
709 | 2.58k | poJunctionLayer->GetName()); |
710 | 2.58k | } |
711 | 2.58k | } |
712 | | |
713 | 87.8k | if (!oField.GetDocumentation().empty()) |
714 | 0 | { |
715 | 0 | poFieldDescFeature->SetField(szFIELD_DOCUMENTATION, |
716 | 0 | oField.GetDocumentation()); |
717 | 0 | } |
718 | | |
719 | 87.8k | CPL_IGNORE_RET_VAL( |
720 | 87.8k | poFieldsMetadataLayer->CreateFeature(poFieldDescFeature)); |
721 | 87.8k | delete poFieldDescFeature; |
722 | | |
723 | | // Check whether the field is OGR instanciable |
724 | 87.8k | if (eCategory == GMLASField::PATH_TO_CHILD_ELEMENT_NO_LINK || |
725 | 87.8k | eCategory == |
726 | 85.7k | GMLASField::PATH_TO_CHILD_ELEMENT_WITH_JUNCTION_TABLE || |
727 | 87.8k | eCategory == GMLASField::GROUP) |
728 | 4.70k | { |
729 | 4.70k | continue; |
730 | 4.70k | } |
731 | | |
732 | 83.1k | OGRFieldType eType = OFTString; |
733 | 83.1k | OGRFieldSubType eSubType = OFSTNone; |
734 | 83.1k | CPLString osOGRFieldName(oField.GetName()); |
735 | 83.1k | switch (oField.GetType()) |
736 | 83.1k | { |
737 | 45.4k | case GMLAS_FT_STRING: |
738 | 45.4k | eType = OFTString; |
739 | 45.4k | break; |
740 | 4.32k | case GMLAS_FT_ID: |
741 | 4.32k | { |
742 | 4.32k | eType = OFTString; |
743 | 4.32k | if (oField.IsNotNullable()) |
744 | 3.70k | { |
745 | 3.70k | continue; |
746 | 3.70k | } |
747 | 620 | break; |
748 | 4.32k | } |
749 | 620 | case GMLAS_FT_BOOLEAN: |
750 | 0 | eType = OFTInteger; |
751 | 0 | eSubType = OFSTBoolean; |
752 | 0 | break; |
753 | 0 | case GMLAS_FT_SHORT: |
754 | 0 | eType = OFTInteger; |
755 | 0 | eSubType = OFSTInt16; |
756 | 0 | break; |
757 | 0 | case GMLAS_FT_INT32: |
758 | 0 | eType = OFTInteger; |
759 | 0 | break; |
760 | 0 | case GMLAS_FT_INT64: |
761 | 0 | eType = OFTInteger64; |
762 | 0 | break; |
763 | 0 | case GMLAS_FT_FLOAT: |
764 | 0 | eType = OFTReal; |
765 | 0 | eSubType = OFSTFloat32; |
766 | 0 | break; |
767 | 0 | case GMLAS_FT_DOUBLE: |
768 | 0 | eType = OFTReal; |
769 | 0 | break; |
770 | 0 | case GMLAS_FT_DECIMAL: |
771 | 0 | eType = OFTReal; |
772 | 0 | break; |
773 | 0 | case GMLAS_FT_DATE: |
774 | 0 | eType = OFTDate; |
775 | 0 | break; |
776 | 0 | case GMLAS_FT_GYEAR: |
777 | 0 | eType = OFTInteger; |
778 | 0 | break; |
779 | 0 | case GMLAS_FT_GYEAR_MONTH: |
780 | 0 | eType = OFTDate; |
781 | 0 | break; |
782 | 0 | case GMLAS_FT_TIME: |
783 | 0 | eType = OFTTime; |
784 | 0 | break; |
785 | 14 | case GMLAS_FT_DATETIME: |
786 | 14 | eType = OFTDateTime; |
787 | 14 | break; |
788 | 0 | case GMLAS_FT_BASE64BINARY: |
789 | 0 | case GMLAS_FT_HEXBINARY: |
790 | 0 | eType = OFTBinary; |
791 | 0 | break; |
792 | 0 | case GMLAS_FT_ANYURI: |
793 | 0 | eType = OFTString; |
794 | 0 | break; |
795 | 33.3k | case GMLAS_FT_ANYTYPE: |
796 | 33.3k | eType = OFTString; |
797 | 33.3k | break; |
798 | 0 | case GMLAS_FT_ANYSIMPLETYPE: |
799 | 0 | eType = OFTString; |
800 | 0 | break; |
801 | 0 | case GMLAS_FT_GEOMETRY: |
802 | 0 | { |
803 | | // Create a geometry field |
804 | 0 | OGRGeomFieldDefn oGeomFieldDefn(osOGRFieldName, |
805 | 0 | oField.GetGeomType()); |
806 | 0 | m_poFeatureDefn->AddGeomFieldDefn(&oGeomFieldDefn); |
807 | |
|
808 | 0 | const int iOGRGeomIdx = |
809 | 0 | m_poFeatureDefn->GetGeomFieldCount() - 1; |
810 | 0 | if (!oField.GetXPath().empty()) |
811 | 0 | { |
812 | 0 | m_oMapFieldXPathToOGRGeomFieldIdx[oField.GetXPath()] = |
813 | 0 | iOGRGeomIdx; |
814 | 0 | } |
815 | 0 | else |
816 | 0 | { |
817 | 0 | const std::vector<CPLString> &aoXPaths = |
818 | 0 | oField.GetAlternateXPaths(); |
819 | 0 | for (size_t j = 0; j < aoXPaths.size(); j++) |
820 | 0 | { |
821 | 0 | m_oMapFieldXPathToOGRGeomFieldIdx[aoXPaths[j]] = |
822 | 0 | iOGRGeomIdx; |
823 | 0 | } |
824 | 0 | } |
825 | |
|
826 | 0 | m_oMapOGRGeomFieldIdxtoFCFieldIdx[iOGRGeomIdx] = i; |
827 | | |
828 | | // Suffix the regular non-geometry field |
829 | 0 | osOGRFieldName += szXML_SUFFIX; |
830 | 0 | eType = OFTString; |
831 | 0 | break; |
832 | 0 | } |
833 | 0 | default: |
834 | 0 | CPLError(CE_Warning, CPLE_AppDefined, |
835 | 0 | "Unhandled type in enum: %d", oField.GetType()); |
836 | 0 | break; |
837 | 83.1k | } |
838 | | |
839 | 79.4k | if (oField.GetType() == GMLAS_FT_GEOMETRY && !bIncludeGeometryXML) |
840 | 0 | { |
841 | 0 | continue; |
842 | 0 | } |
843 | | |
844 | 79.4k | if (oField.IsArray()) |
845 | 3 | { |
846 | 3 | switch (eType) |
847 | 3 | { |
848 | 3 | case OFTString: |
849 | 3 | eType = OFTStringList; |
850 | 3 | break; |
851 | 0 | case OFTInteger: |
852 | 0 | eType = OFTIntegerList; |
853 | 0 | break; |
854 | 0 | case OFTInteger64: |
855 | 0 | eType = OFTInteger64List; |
856 | 0 | break; |
857 | 0 | case OFTReal: |
858 | 0 | eType = OFTRealList; |
859 | 0 | break; |
860 | 0 | default: |
861 | 0 | CPLError(CE_Warning, CPLE_AppDefined, |
862 | 0 | "Unhandled type in enum: %d", eType); |
863 | 0 | break; |
864 | 3 | } |
865 | 3 | } |
866 | 79.4k | OGRFieldDefn oFieldDefn(osOGRFieldName, eType); |
867 | 79.4k | oFieldDefn.SetSubType(eSubType); |
868 | 79.4k | if (oField.IsNotNullable()) |
869 | 1.93k | oFieldDefn.SetNullable(false); |
870 | 79.4k | CPLString osDefaultOrFixed = oField.GetDefaultValue(); |
871 | 79.4k | if (osDefaultOrFixed.empty()) |
872 | 79.4k | osDefaultOrFixed = oField.GetFixedValue(); |
873 | 79.4k | if (!osDefaultOrFixed.empty()) |
874 | 1 | { |
875 | 1 | char *pszEscaped = CPLEscapeString(osDefaultOrFixed, -1, CPLES_SQL); |
876 | 1 | oFieldDefn.SetDefault( |
877 | 1 | (CPLString("'") + pszEscaped + CPLString("'")).c_str()); |
878 | 1 | CPLFree(pszEscaped); |
879 | 1 | } |
880 | 79.4k | oFieldDefn.SetWidth(oField.GetWidth()); |
881 | 79.4k | m_poFeatureDefn->AddFieldDefn(&oFieldDefn); |
882 | | |
883 | 79.4k | const int iOGRIdx = m_poFeatureDefn->GetFieldCount() - 1; |
884 | 79.4k | if (!oField.GetXPath().empty()) |
885 | 79.4k | { |
886 | 79.4k | m_oMapFieldXPathToOGRFieldIdx[oField.GetXPath()] = iOGRIdx; |
887 | 79.4k | } |
888 | 0 | else |
889 | 0 | { |
890 | 0 | const std::vector<CPLString> &aoXPaths = |
891 | 0 | oField.GetAlternateXPaths(); |
892 | 0 | for (size_t j = 0; j < aoXPaths.size(); j++) |
893 | 0 | { |
894 | 0 | m_oMapFieldXPathToOGRFieldIdx[aoXPaths[j]] = iOGRIdx; |
895 | 0 | } |
896 | 0 | } |
897 | | |
898 | 79.4k | m_oMapOGRFieldIdxtoFCFieldIdx[iOGRIdx] = i; |
899 | | |
900 | | // Create field to receive resolved xlink:href content, if needed |
901 | 79.4k | if (oField.GetXPath().find(szAT_XLINK_HREF) != std::string::npos && |
902 | 79.4k | m_poDS->GetConf().m_oXLinkResolution.m_bDefaultResolutionEnabled && |
903 | 79.4k | m_poDS->GetConf().m_oXLinkResolution.m_eDefaultResolutionMode == |
904 | 0 | GMLASXLinkResolutionConf::RawContent) |
905 | 0 | { |
906 | 0 | CPLString osRawContentFieldname(osOGRFieldName); |
907 | 0 | size_t nPos = osRawContentFieldname.find(szHREF_SUFFIX); |
908 | 0 | if (nPos != std::string::npos) |
909 | 0 | osRawContentFieldname.resize(nPos); |
910 | 0 | osRawContentFieldname += szRAW_CONTENT_SUFFIX; |
911 | 0 | OGRFieldDefn oFieldDefnRaw(osRawContentFieldname, OFTString); |
912 | 0 | m_poFeatureDefn->AddFieldDefn(&oFieldDefnRaw); |
913 | |
|
914 | 0 | m_oMapFieldXPathToOGRFieldIdx |
915 | 0 | [GMLASField::MakeXLinkRawContentFieldXPathFromXLinkHrefXPath( |
916 | 0 | oField.GetXPath())] = m_poFeatureDefn->GetFieldCount() - 1; |
917 | 0 | } |
918 | | |
919 | 79.4k | CPL_IGNORE_RET_VAL(osOGRFieldName); |
920 | 79.4k | } |
921 | | |
922 | 4.87k | CreateCompoundFoldedMappings(); |
923 | 4.87k | } |
924 | | |
925 | | /************************************************************************/ |
926 | | /* CreateCompoundFoldedMappings() */ |
927 | | /************************************************************************/ |
928 | | |
929 | | // In the case we have nested elements but we managed to fold into top |
930 | | // level class, then register intermediate paths so they are not reported |
931 | | // as unexpected in debug traces |
932 | | void OGRGMLASLayer::CreateCompoundFoldedMappings() |
933 | 4.87k | { |
934 | 4.87k | CPLString oFCXPath(m_oFC.GetXPath()); |
935 | 4.87k | if (m_oFC.IsRepeatedSequence()) |
936 | 0 | { |
937 | 0 | size_t iPosExtra = oFCXPath.find(szEXTRA_SUFFIX); |
938 | 0 | if (iPosExtra != std::string::npos) |
939 | 0 | { |
940 | 0 | oFCXPath.resize(iPosExtra); |
941 | 0 | } |
942 | 0 | } |
943 | | |
944 | 4.87k | const std::vector<GMLASField> &oFields = m_oFC.GetFields(); |
945 | 92.7k | for (size_t i = 0; i < oFields.size(); i++) |
946 | 87.8k | { |
947 | 87.8k | std::vector<CPLString> aoXPaths = oFields[i].GetAlternateXPaths(); |
948 | 87.8k | if (aoXPaths.empty()) |
949 | 87.8k | aoXPaths.push_back(oFields[i].GetXPath()); |
950 | 175k | for (size_t j = 0; j < aoXPaths.size(); j++) |
951 | 87.8k | { |
952 | 87.8k | if (aoXPaths[j].size() > oFCXPath.size()) |
953 | 85.9k | { |
954 | | // Split on both '/' and '@' |
955 | 85.9k | char **papszTokens = CSLTokenizeString2( |
956 | 85.9k | aoXPaths[j].c_str() + oFCXPath.size() + 1, "/@", 0); |
957 | 85.9k | CPLString osSubXPath = oFCXPath; |
958 | 85.9k | for (int k = 0; |
959 | 238k | papszTokens[k] != nullptr && papszTokens[k + 1] != nullptr; |
960 | 152k | k++) |
961 | 152k | { |
962 | 152k | osSubXPath += "/"; |
963 | 152k | osSubXPath += papszTokens[k]; |
964 | 152k | if (m_oMapFieldXPathToOGRFieldIdx.find(osSubXPath) == |
965 | 152k | m_oMapFieldXPathToOGRFieldIdx.end()) |
966 | 313 | { |
967 | 313 | m_oMapFieldXPathToOGRFieldIdx[osSubXPath] = |
968 | 313 | IDX_COMPOUND_FOLDED; |
969 | 313 | } |
970 | 152k | } |
971 | 85.9k | CSLDestroy(papszTokens); |
972 | 85.9k | } |
973 | 87.8k | } |
974 | 87.8k | } |
975 | 4.87k | } |
976 | | |
977 | | /************************************************************************/ |
978 | | /* ~OGRGMLASLayer() */ |
979 | | /************************************************************************/ |
980 | | |
981 | | OGRGMLASLayer::~OGRGMLASLayer() |
982 | 9.68k | { |
983 | 9.68k | m_poFeatureDefn->Release(); |
984 | 9.68k | } |
985 | | |
986 | | /************************************************************************/ |
987 | | /* DeleteTargetIndex() */ |
988 | | /************************************************************************/ |
989 | | |
990 | | static void DeleteTargetIndex(std::map<CPLString, int> &oMap, int nIdx) |
991 | 0 | { |
992 | 0 | bool bIterToRemoveValid = false; |
993 | 0 | std::map<CPLString, int>::iterator oIterToRemove; |
994 | 0 | std::map<CPLString, int>::iterator oIter = oMap.begin(); |
995 | 0 | for (; oIter != oMap.end(); ++oIter) |
996 | 0 | { |
997 | 0 | if (oIter->second > nIdx) |
998 | 0 | oIter->second--; |
999 | 0 | else if (oIter->second == nIdx) |
1000 | 0 | { |
1001 | 0 | bIterToRemoveValid = true; |
1002 | 0 | oIterToRemove = oIter; |
1003 | 0 | } |
1004 | 0 | } |
1005 | 0 | if (bIterToRemoveValid) |
1006 | 0 | oMap.erase(oIterToRemove); |
1007 | 0 | } |
1008 | | |
1009 | | /************************************************************************/ |
1010 | | /* RemoveField() */ |
1011 | | /************************************************************************/ |
1012 | | |
1013 | | bool OGRGMLASLayer::RemoveField(int nIdx) |
1014 | 0 | { |
1015 | 0 | if (nIdx == m_nIDFieldIdx || nIdx == m_nParentIDFieldIdx) |
1016 | 0 | return false; |
1017 | | |
1018 | 0 | m_poFeatureDefn->DeleteFieldDefn(nIdx); |
1019 | | |
1020 | | // Refresh maps |
1021 | 0 | DeleteTargetIndex(m_oMapFieldXPathToOGRFieldIdx, nIdx); |
1022 | |
|
1023 | 0 | { |
1024 | 0 | std::map<int, int> oMapOGRFieldIdxtoFCFieldIdx; |
1025 | 0 | for (const auto &oIter : m_oMapOGRFieldIdxtoFCFieldIdx) |
1026 | 0 | { |
1027 | 0 | if (oIter.first < nIdx) |
1028 | 0 | oMapOGRFieldIdxtoFCFieldIdx[oIter.first] = oIter.second; |
1029 | 0 | else if (oIter.first > nIdx) |
1030 | 0 | oMapOGRFieldIdxtoFCFieldIdx[oIter.first - 1] = oIter.second; |
1031 | 0 | } |
1032 | 0 | m_oMapOGRFieldIdxtoFCFieldIdx = std::move(oMapOGRFieldIdxtoFCFieldIdx); |
1033 | 0 | } |
1034 | |
|
1035 | 0 | OGRLayer *poFieldsMetadataLayer = m_poDS->GetFieldsMetadataLayer(); |
1036 | 0 | OGRFeature *poFeature; |
1037 | 0 | poFieldsMetadataLayer->ResetReading(); |
1038 | 0 | while ((poFeature = poFieldsMetadataLayer->GetNextFeature()) != nullptr) |
1039 | 0 | { |
1040 | 0 | if (strcmp(poFeature->GetFieldAsString(szLAYER_NAME), GetName()) == 0 && |
1041 | 0 | poFeature->GetFieldAsInteger(szFIELD_INDEX) == nIdx) |
1042 | 0 | { |
1043 | 0 | poFeature->SetField(szFIELD_INDEX, -1); |
1044 | 0 | CPL_IGNORE_RET_VAL(poFieldsMetadataLayer->SetFeature(poFeature)); |
1045 | 0 | delete poFeature; |
1046 | 0 | break; |
1047 | 0 | } |
1048 | 0 | delete poFeature; |
1049 | 0 | } |
1050 | 0 | poFieldsMetadataLayer->ResetReading(); |
1051 | |
|
1052 | 0 | return true; |
1053 | 0 | } |
1054 | | |
1055 | | /************************************************************************/ |
1056 | | /* InsertTargetIndex() */ |
1057 | | /************************************************************************/ |
1058 | | |
1059 | | static void InsertTargetIndex(std::map<CPLString, int> &oMap, int nIdx) |
1060 | 0 | { |
1061 | 0 | for (auto &oIter : oMap) |
1062 | 0 | { |
1063 | 0 | if (oIter.second >= nIdx) |
1064 | 0 | oIter.second++; |
1065 | 0 | } |
1066 | 0 | } |
1067 | | |
1068 | | /************************************************************************/ |
1069 | | /* InsertNewField() */ |
1070 | | /************************************************************************/ |
1071 | | |
1072 | | void OGRGMLASLayer::InsertNewField(int nInsertPos, |
1073 | | const OGRFieldDefn &oFieldDefn, |
1074 | | const CPLString &osXPath) |
1075 | 0 | { |
1076 | 0 | CPLAssert(nInsertPos >= 0 && |
1077 | 0 | nInsertPos <= m_poFeatureDefn->GetFieldCount()); |
1078 | 0 | m_poFeatureDefn->AddFieldDefn(&oFieldDefn); |
1079 | 0 | int *panMap = new int[m_poFeatureDefn->GetFieldCount()]; |
1080 | 0 | for (int i = 0; i < nInsertPos; ++i) |
1081 | 0 | { |
1082 | 0 | panMap[i] = i; |
1083 | 0 | } |
1084 | 0 | panMap[nInsertPos] = m_poFeatureDefn->GetFieldCount() - 1; |
1085 | 0 | for (int i = nInsertPos + 1; i < m_poFeatureDefn->GetFieldCount(); ++i) |
1086 | 0 | { |
1087 | 0 | panMap[i] = i - 1; |
1088 | 0 | } |
1089 | 0 | m_poFeatureDefn->ReorderFieldDefns(panMap); |
1090 | 0 | delete[] panMap; |
1091 | | |
1092 | | // Refresh maps |
1093 | 0 | InsertTargetIndex(m_oMapFieldXPathToOGRFieldIdx, nInsertPos); |
1094 | 0 | m_oMapFieldXPathToOGRFieldIdx[osXPath] = nInsertPos; |
1095 | |
|
1096 | 0 | { |
1097 | 0 | std::map<int, int> oMapOGRFieldIdxtoFCFieldIdx; |
1098 | 0 | for (const auto &oIter : m_oMapOGRFieldIdxtoFCFieldIdx) |
1099 | 0 | { |
1100 | 0 | if (oIter.first < nInsertPos) |
1101 | 0 | oMapOGRFieldIdxtoFCFieldIdx[oIter.first] = oIter.second; |
1102 | 0 | else |
1103 | 0 | oMapOGRFieldIdxtoFCFieldIdx[oIter.first + 1] = oIter.second; |
1104 | 0 | } |
1105 | 0 | m_oMapOGRFieldIdxtoFCFieldIdx = std::move(oMapOGRFieldIdxtoFCFieldIdx); |
1106 | 0 | } |
1107 | |
|
1108 | 0 | OGRLayer *poFieldsMetadataLayer = m_poDS->GetFieldsMetadataLayer(); |
1109 | 0 | OGRFeature *poFeature; |
1110 | 0 | poFieldsMetadataLayer->ResetReading(); |
1111 | 0 | while ((poFeature = poFieldsMetadataLayer->GetNextFeature()) != nullptr) |
1112 | 0 | { |
1113 | 0 | if (strcmp(poFeature->GetFieldAsString(szLAYER_NAME), GetName()) == 0) |
1114 | 0 | { |
1115 | 0 | int nFieldIndex = poFeature->GetFieldAsInteger(szFIELD_INDEX); |
1116 | 0 | if (nFieldIndex >= nInsertPos && nFieldIndex < INT_MAX) |
1117 | 0 | { |
1118 | 0 | poFeature->SetField(szFIELD_INDEX, nFieldIndex + 1); |
1119 | 0 | CPL_IGNORE_RET_VAL( |
1120 | 0 | poFieldsMetadataLayer->SetFeature(poFeature)); |
1121 | 0 | } |
1122 | 0 | } |
1123 | 0 | delete poFeature; |
1124 | 0 | } |
1125 | 0 | poFieldsMetadataLayer->ResetReading(); |
1126 | 0 | } |
1127 | | |
1128 | | /************************************************************************/ |
1129 | | /* GetOGRFieldIndexFromXPath() */ |
1130 | | /************************************************************************/ |
1131 | | |
1132 | | int OGRGMLASLayer::GetOGRFieldIndexFromXPath(const CPLString &osXPath) const |
1133 | 279k | { |
1134 | 279k | const auto oIter = m_oMapFieldXPathToOGRFieldIdx.find(osXPath); |
1135 | 279k | if (oIter == m_oMapFieldXPathToOGRFieldIdx.end()) |
1136 | 270k | return -1; |
1137 | 9.62k | return oIter->second; |
1138 | 279k | } |
1139 | | |
1140 | | /************************************************************************/ |
1141 | | /* GetXPathFromOGRFieldIndex() */ |
1142 | | /************************************************************************/ |
1143 | | |
1144 | | CPLString OGRGMLASLayer::GetXPathFromOGRFieldIndex(int nIdx) const |
1145 | 0 | { |
1146 | 0 | const int nFCIdx = GetFCFieldIndexFromOGRFieldIdx(nIdx); |
1147 | 0 | if (nFCIdx >= 0) |
1148 | 0 | return m_oFC.GetFields()[nFCIdx].GetXPath(); |
1149 | | |
1150 | 0 | for (const auto &oIter : m_oMapFieldXPathToOGRFieldIdx) |
1151 | 0 | { |
1152 | 0 | if (oIter.second == nIdx) |
1153 | 0 | return oIter.first; |
1154 | 0 | } |
1155 | 0 | return CPLString(); |
1156 | 0 | } |
1157 | | |
1158 | | /************************************************************************/ |
1159 | | /* GetOGRGeomFieldIndexFromXPath() */ |
1160 | | /************************************************************************/ |
1161 | | |
1162 | | int OGRGMLASLayer::GetOGRGeomFieldIndexFromXPath(const CPLString &osXPath) const |
1163 | 138k | { |
1164 | 138k | const auto oIter = m_oMapFieldXPathToOGRGeomFieldIdx.find(osXPath); |
1165 | 138k | if (oIter == m_oMapFieldXPathToOGRGeomFieldIdx.end()) |
1166 | 138k | return -1; |
1167 | 0 | return oIter->second; |
1168 | 138k | } |
1169 | | |
1170 | | /************************************************************************/ |
1171 | | /* GetFCFieldIndexFromOGRFieldIdx() */ |
1172 | | /************************************************************************/ |
1173 | | |
1174 | | int OGRGMLASLayer::GetFCFieldIndexFromOGRFieldIdx(int iOGRFieldIdx) const |
1175 | 152k | { |
1176 | 152k | const auto oIter = m_oMapOGRFieldIdxtoFCFieldIdx.find(iOGRFieldIdx); |
1177 | 152k | if (oIter == m_oMapOGRFieldIdxtoFCFieldIdx.end()) |
1178 | 68.2k | return -1; |
1179 | 83.7k | return oIter->second; |
1180 | 152k | } |
1181 | | |
1182 | | /************************************************************************/ |
1183 | | /* GetFCFieldIndexFromXPath() */ |
1184 | | /************************************************************************/ |
1185 | | |
1186 | | int OGRGMLASLayer::GetFCFieldIndexFromXPath(const CPLString &osXPath) const |
1187 | 65.4k | { |
1188 | 65.4k | const auto oIter = m_oMapFieldXPathToFCFieldIdx.find(osXPath); |
1189 | 65.4k | if (oIter == m_oMapFieldXPathToFCFieldIdx.end()) |
1190 | 65.4k | return -1; |
1191 | 0 | return oIter->second; |
1192 | 65.4k | } |
1193 | | |
1194 | | /************************************************************************/ |
1195 | | /* GetFCFieldIndexFromOGRGeomFieldIdx() */ |
1196 | | /************************************************************************/ |
1197 | | |
1198 | | int OGRGMLASLayer::GetFCFieldIndexFromOGRGeomFieldIdx( |
1199 | | int iOGRGeomFieldIdx) const |
1200 | 0 | { |
1201 | 0 | const auto oIter = m_oMapOGRGeomFieldIdxtoFCFieldIdx.find(iOGRGeomFieldIdx); |
1202 | 0 | if (oIter == m_oMapOGRGeomFieldIdxtoFCFieldIdx.end()) |
1203 | 0 | return -1; |
1204 | 0 | return oIter->second; |
1205 | 0 | } |
1206 | | |
1207 | | /************************************************************************/ |
1208 | | /* GetXPathOfFieldLinkForAttrToOtherLayer() */ |
1209 | | /************************************************************************/ |
1210 | | |
1211 | | CPLString OGRGMLASLayer::GetXPathOfFieldLinkForAttrToOtherLayer( |
1212 | | const CPLString &osFieldName, const CPLString &osTargetLayerXPath) |
1213 | 0 | { |
1214 | 0 | const int nOGRFieldIdx = GetLayerDefn()->GetFieldIndex(osFieldName); |
1215 | 0 | CPLAssert(nOGRFieldIdx >= 0); |
1216 | 0 | const int nFCFieldIdx = GetFCFieldIndexFromOGRFieldIdx(nOGRFieldIdx); |
1217 | 0 | CPLAssert(nFCFieldIdx >= 0); |
1218 | 0 | CPLString osXPath(m_oFC.GetFields()[nFCFieldIdx].GetXPath()); |
1219 | 0 | size_t nPos = osXPath.find(szAT_XLINK_HREF); |
1220 | 0 | CPLAssert(nPos != std::string::npos); |
1221 | 0 | CPLAssert(nPos + strlen(szAT_XLINK_HREF) == osXPath.size()); |
1222 | 0 | CPLString osTargetFieldXPath(osXPath.substr(0, nPos) + osTargetLayerXPath); |
1223 | 0 | return osTargetFieldXPath; |
1224 | 0 | } |
1225 | | |
1226 | | /************************************************************************/ |
1227 | | /* LaunderFieldName() */ |
1228 | | /************************************************************************/ |
1229 | | |
1230 | | CPLString OGRGMLASLayer::LaunderFieldName(const CPLString &osFieldName) |
1231 | 0 | { |
1232 | 0 | int nCounter = 1; |
1233 | 0 | CPLString osLaunderedName(osFieldName); |
1234 | 0 | while (m_poFeatureDefn->GetFieldIndex(osLaunderedName) >= 0) |
1235 | 0 | { |
1236 | 0 | nCounter++; |
1237 | 0 | osLaunderedName = osFieldName + CPLSPrintf("%d", nCounter); |
1238 | 0 | } |
1239 | |
|
1240 | 0 | const int nIdentifierMaxLength = m_poDS->GetConf().m_nIdentifierMaxLength; |
1241 | 0 | if (nIdentifierMaxLength >= MIN_VALUE_OF_MAX_IDENTIFIER_LENGTH && |
1242 | 0 | osLaunderedName.size() > static_cast<size_t>(nIdentifierMaxLength)) |
1243 | 0 | { |
1244 | 0 | osLaunderedName = |
1245 | 0 | OGRGMLASTruncateIdentifier(osLaunderedName, nIdentifierMaxLength); |
1246 | 0 | } |
1247 | |
|
1248 | 0 | if (m_poDS->GetConf().m_bPGIdentifierLaundering) |
1249 | 0 | { |
1250 | 0 | char *pszLaundered = |
1251 | 0 | OGRPGCommonLaunderName(osLaunderedName, "GMLAS", false); |
1252 | 0 | osLaunderedName = pszLaundered; |
1253 | 0 | CPLFree(pszLaundered); |
1254 | 0 | } |
1255 | |
|
1256 | 0 | if (m_poFeatureDefn->GetFieldIndex(osLaunderedName) >= 0) |
1257 | 0 | { |
1258 | 0 | nCounter = 1; |
1259 | 0 | std::string osCandidate; |
1260 | 0 | do |
1261 | 0 | { |
1262 | 0 | nCounter++; |
1263 | 0 | osCandidate = OGRGMLASAddSerialNumber( |
1264 | 0 | osLaunderedName, nCounter, nCounter + 1, nIdentifierMaxLength); |
1265 | 0 | } while (nCounter < 100 && |
1266 | 0 | m_poFeatureDefn->GetFieldIndex(osCandidate.c_str()) >= 0); |
1267 | 0 | osLaunderedName = std::move(osCandidate); |
1268 | 0 | } |
1269 | |
|
1270 | 0 | return osLaunderedName; |
1271 | 0 | } |
1272 | | |
1273 | | /************************************************************************/ |
1274 | | /* CreateLinkForAttrToOtherLayer() */ |
1275 | | /************************************************************************/ |
1276 | | |
1277 | | /* Create a new field to contain the PKID of the feature pointed by this */ |
1278 | | /* osFieldName (a xlink:href attribute), when it is an internal link to */ |
1279 | | /* another layer whose xpath is given by osTargetLayerXPath */ |
1280 | | |
1281 | | CPLString OGRGMLASLayer::CreateLinkForAttrToOtherLayer( |
1282 | | const CPLString &osFieldName, const CPLString &osTargetLayerXPath) |
1283 | 0 | { |
1284 | 0 | CPLString osTargetFieldXPath = |
1285 | 0 | GetXPathOfFieldLinkForAttrToOtherLayer(osFieldName, osTargetLayerXPath); |
1286 | 0 | const int nExistingTgtOGRFieldIdx = |
1287 | 0 | GetOGRFieldIndexFromXPath(osTargetFieldXPath); |
1288 | 0 | if (nExistingTgtOGRFieldIdx >= 0) |
1289 | 0 | { |
1290 | 0 | return GetLayerDefn() |
1291 | 0 | ->GetFieldDefn(nExistingTgtOGRFieldIdx) |
1292 | 0 | ->GetNameRef(); |
1293 | 0 | } |
1294 | | |
1295 | 0 | const int nOGRFieldIdx = GetLayerDefn()->GetFieldIndex(osFieldName); |
1296 | 0 | CPLAssert(nOGRFieldIdx >= 0); |
1297 | 0 | const int nFCFieldIdx = GetFCFieldIndexFromOGRFieldIdx(nOGRFieldIdx); |
1298 | 0 | CPLAssert(nFCFieldIdx >= 0); |
1299 | 0 | CPLString osXPath(m_oFC.GetFields()[nFCFieldIdx].GetXPath()); |
1300 | 0 | size_t nPos = osXPath.find(szAT_XLINK_HREF); |
1301 | 0 | CPLString osXPathStart(osXPath.substr(0, nPos)); |
1302 | | |
1303 | | // Find at which position to insert the new field in the layer definition |
1304 | | // (we could happen at the end, but it will be nicer to insert close to |
1305 | | // the href field) |
1306 | 0 | int nInsertPos = -1; |
1307 | 0 | for (int i = 0; i < m_poFeatureDefn->GetFieldCount(); i++) |
1308 | 0 | { |
1309 | 0 | if (GetXPathFromOGRFieldIndex(i).find(osXPathStart) == 0) |
1310 | 0 | { |
1311 | 0 | nInsertPos = i + 1; |
1312 | 0 | } |
1313 | 0 | else if (nInsertPos >= 0) |
1314 | 0 | break; |
1315 | 0 | } |
1316 | |
|
1317 | 0 | CPLString osNewFieldName(osFieldName); |
1318 | 0 | nPos = osFieldName.find(szHREF_SUFFIX); |
1319 | 0 | if (nPos != std::string::npos) |
1320 | 0 | { |
1321 | 0 | osNewFieldName.resize(nPos); |
1322 | 0 | } |
1323 | 0 | osNewFieldName += "_"; |
1324 | 0 | OGRGMLASLayer *poTargetLayer = m_poDS->GetLayerByXPath(osTargetLayerXPath); |
1325 | 0 | CPLAssert(poTargetLayer); |
1326 | 0 | osNewFieldName += poTargetLayer->GetName(); |
1327 | 0 | osNewFieldName += "_pkid"; |
1328 | 0 | osNewFieldName = LaunderFieldName(osNewFieldName); |
1329 | 0 | OGRFieldDefn oFieldDefn(osNewFieldName, OFTString); |
1330 | 0 | InsertNewField(nInsertPos, oFieldDefn, osTargetFieldXPath); |
1331 | |
|
1332 | 0 | OGRLayer *poFieldsMetadataLayer = m_poDS->GetFieldsMetadataLayer(); |
1333 | 0 | OGRLayer *poRelationshipsLayer = m_poDS->GetRelationshipsLayer(); |
1334 | | |
1335 | | // Find a relevant location of the field metadata layer into which to |
1336 | | // insert the new feature (same as above, we could potentially insert just |
1337 | | // at the end) |
1338 | 0 | GIntBig nFieldsMetadataIdxPos = -1; |
1339 | 0 | poFieldsMetadataLayer->ResetReading(); |
1340 | 0 | OGRFeature *poFeature; |
1341 | 0 | while ((poFeature = poFieldsMetadataLayer->GetNextFeature()) != nullptr) |
1342 | 0 | { |
1343 | 0 | if (strcmp(poFeature->GetFieldAsString(szLAYER_NAME), GetName()) == 0) |
1344 | 0 | { |
1345 | 0 | if (poFeature->GetFieldAsInteger(szFIELD_INDEX) > nInsertPos) |
1346 | 0 | { |
1347 | 0 | delete poFeature; |
1348 | 0 | break; |
1349 | 0 | } |
1350 | 0 | nFieldsMetadataIdxPos = poFeature->GetFID() + 1; |
1351 | 0 | } |
1352 | 0 | else if (nFieldsMetadataIdxPos >= 0) |
1353 | 0 | { |
1354 | 0 | delete poFeature; |
1355 | 0 | break; |
1356 | 0 | } |
1357 | 0 | delete poFeature; |
1358 | 0 | } |
1359 | 0 | poFieldsMetadataLayer->ResetReading(); |
1360 | | |
1361 | | // Move down all features beyond that insertion point |
1362 | 0 | for (GIntBig nFID = poFieldsMetadataLayer->GetFeatureCount() - 1; |
1363 | 0 | nFID >= nFieldsMetadataIdxPos; nFID--) |
1364 | 0 | { |
1365 | 0 | poFeature = poFieldsMetadataLayer->GetFeature(nFID); |
1366 | 0 | if (poFeature) |
1367 | 0 | { |
1368 | 0 | poFeature->SetFID(nFID + 1); |
1369 | 0 | CPL_IGNORE_RET_VAL(poFieldsMetadataLayer->SetFeature(poFeature)); |
1370 | 0 | delete poFeature; |
1371 | 0 | } |
1372 | 0 | } |
1373 | 0 | if (nFieldsMetadataIdxPos >= 0) |
1374 | 0 | { |
1375 | 0 | CPL_IGNORE_RET_VAL( |
1376 | 0 | poFieldsMetadataLayer->DeleteFeature(nFieldsMetadataIdxPos)); |
1377 | 0 | } |
1378 | | |
1379 | | // Register field in _ogr_fields_metadata |
1380 | 0 | OGRFeature *poFieldDescFeature = |
1381 | 0 | new OGRFeature(poFieldsMetadataLayer->GetLayerDefn()); |
1382 | 0 | poFieldDescFeature->SetField(szLAYER_NAME, GetName()); |
1383 | 0 | poFieldDescFeature->SetField(szFIELD_INDEX, nInsertPos); |
1384 | 0 | poFieldDescFeature->SetField(szFIELD_XPATH, osTargetFieldXPath); |
1385 | 0 | poFieldDescFeature->SetField(szFIELD_NAME, oFieldDefn.GetNameRef()); |
1386 | 0 | poFieldDescFeature->SetField(szFIELD_TYPE, szXS_STRING); |
1387 | 0 | poFieldDescFeature->SetField(szFIELD_IS_LIST, 0); |
1388 | 0 | poFieldDescFeature->SetField(szFIELD_MIN_OCCURS, 0); |
1389 | 0 | poFieldDescFeature->SetField(szFIELD_MAX_OCCURS, 1); |
1390 | 0 | poFieldDescFeature->SetField(szFIELD_CATEGORY, |
1391 | 0 | szPATH_TO_CHILD_ELEMENT_WITH_LINK); |
1392 | 0 | poFieldDescFeature->SetField(szFIELD_RELATED_LAYER, |
1393 | 0 | poTargetLayer->GetName()); |
1394 | 0 | if (nFieldsMetadataIdxPos >= 0) |
1395 | 0 | poFieldDescFeature->SetFID(nFieldsMetadataIdxPos); |
1396 | 0 | CPL_IGNORE_RET_VAL( |
1397 | 0 | poFieldsMetadataLayer->CreateFeature(poFieldDescFeature)); |
1398 | 0 | delete poFieldDescFeature; |
1399 | | |
1400 | | // Register relationship in _ogr_layer_relationships |
1401 | 0 | OGRFeature *poRelationshipsFeature = |
1402 | 0 | new OGRFeature(poRelationshipsLayer->GetLayerDefn()); |
1403 | 0 | poRelationshipsFeature->SetField(szPARENT_LAYER, GetName()); |
1404 | 0 | poRelationshipsFeature->SetField( |
1405 | 0 | szPARENT_PKID, |
1406 | 0 | GetLayerDefn()->GetFieldDefn(GetIDFieldIdx())->GetNameRef()); |
1407 | 0 | poRelationshipsFeature->SetField(szPARENT_ELEMENT_NAME, osNewFieldName); |
1408 | 0 | poRelationshipsFeature->SetField(szCHILD_LAYER, poTargetLayer->GetName()); |
1409 | 0 | poRelationshipsFeature->SetField( |
1410 | 0 | szCHILD_PKID, poTargetLayer->GetLayerDefn() |
1411 | 0 | ->GetFieldDefn(poTargetLayer->GetIDFieldIdx()) |
1412 | 0 | ->GetNameRef()); |
1413 | 0 | CPL_IGNORE_RET_VAL( |
1414 | 0 | poRelationshipsLayer->CreateFeature(poRelationshipsFeature)); |
1415 | 0 | delete poRelationshipsFeature; |
1416 | |
|
1417 | 0 | return osNewFieldName; |
1418 | 0 | } |
1419 | | |
1420 | | /************************************************************************/ |
1421 | | /* GetLayerDefn() */ |
1422 | | /************************************************************************/ |
1423 | | |
1424 | | OGRFeatureDefn *OGRGMLASLayer::GetLayerDefn() |
1425 | 3.75M | { |
1426 | 3.75M | if (!m_bLayerDefnFinalized && m_poDS->IsLayerInitFinished()) |
1427 | 99 | { |
1428 | | // If we haven't yet determined the SRS of geometry columns, do it now |
1429 | 99 | m_bLayerDefnFinalized = true; |
1430 | 99 | if (m_poFeatureDefn->GetGeomFieldCount() > 0 || |
1431 | 99 | m_poDS->GetConf().m_oXLinkResolution.m_bResolveInternalXLinks || |
1432 | 99 | !m_poDS->GetConf().m_oXLinkResolution.m_aoURLSpecificRules.empty()) |
1433 | 0 | { |
1434 | 0 | if (m_poReader == nullptr) |
1435 | 0 | { |
1436 | 0 | InitReader(); |
1437 | | // Avoid keeping too many file descriptor opened |
1438 | 0 | if (m_fpGML != nullptr) |
1439 | 0 | m_poDS->PushUnusedGMLFilePointer(m_fpGML); |
1440 | 0 | m_poReader.reset(); |
1441 | 0 | } |
1442 | 0 | } |
1443 | 99 | } |
1444 | 3.75M | return m_poFeatureDefn; |
1445 | 3.75M | } |
1446 | | |
1447 | | /************************************************************************/ |
1448 | | /* ResetReading() */ |
1449 | | /************************************************************************/ |
1450 | | |
1451 | | void OGRGMLASLayer::ResetReading() |
1452 | 0 | { |
1453 | 0 | m_poReader.reset(); |
1454 | 0 | m_bEOF = false; |
1455 | 0 | } |
1456 | | |
1457 | | /************************************************************************/ |
1458 | | /* InitReader() */ |
1459 | | /************************************************************************/ |
1460 | | |
1461 | | bool OGRGMLASLayer::InitReader() |
1462 | 1.04k | { |
1463 | 1.04k | CPLAssert(m_poReader == nullptr); |
1464 | | |
1465 | 1.04k | m_bLayerDefnFinalized = true; |
1466 | 1.04k | m_poReader.reset(m_poDS->CreateReader(m_fpGML)); |
1467 | 1.04k | if (m_poReader != nullptr) |
1468 | 1.04k | { |
1469 | 1.04k | m_poReader->SetLayerOfInterest(this); |
1470 | 1.04k | return true; |
1471 | 1.04k | } |
1472 | 0 | return false; |
1473 | 1.04k | } |
1474 | | |
1475 | | /************************************************************************/ |
1476 | | /* GetNextRawFeature() */ |
1477 | | /************************************************************************/ |
1478 | | |
1479 | | OGRFeature *OGRGMLASLayer::GetNextRawFeature() |
1480 | 74.7k | { |
1481 | 74.7k | if (m_poReader == nullptr && !InitReader()) |
1482 | 0 | return nullptr; |
1483 | | |
1484 | 74.7k | return m_poReader->GetNextFeature(); |
1485 | 74.7k | } |
1486 | | |
1487 | | /************************************************************************/ |
1488 | | /* EvaluateFilter() */ |
1489 | | /************************************************************************/ |
1490 | | |
1491 | | bool OGRGMLASLayer::EvaluateFilter(OGRFeature *poFeature) |
1492 | 73.7k | { |
1493 | 73.7k | return (m_poFilterGeom == nullptr || |
1494 | 73.7k | FilterGeometry(poFeature->GetGeomFieldRef(m_iGeomFieldFilter))) && |
1495 | 73.7k | (m_poAttrQuery == nullptr || m_poAttrQuery->Evaluate(poFeature)); |
1496 | 73.7k | } |
1497 | | |
1498 | | /************************************************************************/ |
1499 | | /* GetNextFeature() */ |
1500 | | /************************************************************************/ |
1501 | | |
1502 | | OGRFeature *OGRGMLASLayer::GetNextFeature() |
1503 | 74.7k | { |
1504 | 74.7k | if (m_bEOF) |
1505 | 0 | return nullptr; |
1506 | | |
1507 | 74.7k | while (true) |
1508 | 74.7k | { |
1509 | 74.7k | OGRFeature *poFeature = GetNextRawFeature(); |
1510 | 74.7k | if (poFeature == nullptr) |
1511 | 1.00k | { |
1512 | | // Avoid keeping too many file descriptor opened |
1513 | 1.00k | if (m_fpGML != nullptr) |
1514 | 1.00k | m_poDS->PushUnusedGMLFilePointer(m_fpGML); |
1515 | 1.00k | m_poReader.reset(); |
1516 | 1.00k | m_bEOF = true; |
1517 | 1.00k | return nullptr; |
1518 | 1.00k | } |
1519 | | |
1520 | 73.7k | if (EvaluateFilter(poFeature)) |
1521 | 73.7k | { |
1522 | 73.7k | return poFeature; |
1523 | 73.7k | } |
1524 | | |
1525 | 0 | delete poFeature; |
1526 | 0 | } |
1527 | 74.7k | } |