#include <grass/shapefil.h>
#include <math.h>
#include <limits.h>
#include <assert.h>
#include <stdlib.h>
#include <string.h>
#include <stdio.h>

Include dependency graph for shpopen.c:

Macros
#define	CPL_UNUSED

#define	FALSE 0

#define	TRUE 1

#define	ByteCopy(a, b, c) memcpy( b, a, c )

#define	MIN(a, b) ((a<b) ? a : b)

#define	MAX(a, b) ((a>b) ? a : b)

Typedefs
typedef unsigned char	uchar

typedef unsigned int	int32

Functions
void SHPAPI_CALL	SHPWriteHeader (SHPHandle psSHP)

SHPHandle SHPAPI_CALL	SHPOpen (const char pszLayer, const char pszAccess)

SHPHandle SHPAPI_CALL	SHPOpenLL (const char pszLayer, const char pszAccess, SAHooks *psHooks)

SHPHandle SHPAPI_CALL	SHPOpenLLEx (const char pszLayer, const char pszAccess, SAHooks *psHooks, int bRestoreSHX)

int SHPAPI_CALL	SHPRestoreSHX (const char pszLayer, const char pszAccess, SAHooks *psHooks)

void SHPAPI_CALL	SHPClose (SHPHandle psSHP)

void SHPAPI_CALL	SHPSetFastModeReadObject (SHPHandle hSHP, int bFastMode)

void SHPAPI_CALL	SHPGetInfo (SHPHandle psSHP, int pnEntities, int pnShapeType, double padfMinBound, double padfMaxBound)

SHPHandle SHPAPI_CALL	SHPCreate (const char *pszLayer, int nShapeType)

SHPHandle SHPAPI_CALL	SHPCreateLL (const char pszLayer, int nShapeType, SAHooks psHooks)

void SHPAPI_CALL	SHPComputeExtents (SHPObject *psObject)

SHPObject SHPAPI_CALL1 *	SHPCreateObject (int nSHPType, int nShapeId, int nParts, const int panPartStart, const int panPartType, int nVertices, const double padfX, const double padfY, const double padfZ, const double padfM){ SHPObject psObject;int i, bHasM, bHasZ;psObject=(SHPObject ) calloc(1, sizeof(SHPObject)

	if (nSHPType==SHPT_ARCM\|\|nSHPType==SHPT_POINTM\|\|nSHPType==SHPT_POLYGONM\|\|nSHPType==SHPT_MULTIPOINTM)

	if (nVertices > 0)

	SHPComputeExtents (psObject)

	return (psObject)

SHPObject SHPAPI_CALL1 *	SHPCreateSimpleObject (int nSHPType, int nVertices, const double padfX, const double padfY, const double *padfZ){ return(SHPCreateObject(nSHPType, -1, 0, NULL, NULL, nVertices, padfX, padfY, padfZ, NULL)

int SHPAPI_CALL	SHPWriteObject (SHPHandle psSHP, int nShapeId, SHPObject *psObject)

SHPObject SHPAPI_CALL1 *	SHPReadObject (SHPHandle psSHP, int hEntity){ int nEntitySize, nRequiredSize;SHPObject *psShape;char szErrorMsg[128];int nSHPType;int nBytesRead;if(hEntity< 0\|\|hEntity >=psSHP->nRecords) return(NULL

	if (psSHP->panRecOffset[hEntity]==0 &&psSHP->fpSHX !=NULL)

	if (nEntitySize > psSHP->nBufSize)

	if (psSHP->pabyRec==NULL)

	if (psSHP->sHooks.FSeek(psSHP->fpSHP, psSHP->panRecOffset[hEntity], 0) !=0)

	if (nBytesRead >=8 &&nBytesRead==nEntitySize - 8)

else	if (nBytesRead !=nEntitySize)

	if (8+4 > nEntitySize)

	if (bBigEndian)

	if (psShape->nSHPType==SHPT_POLYGON\|\|psShape->nSHPType==SHPT_ARC\|\|psShape->nSHPType==SHPT_POLYGONZ\|\|psShape->nSHPType==SHPT_POLYGONM\|\|psShape->nSHPType==SHPT_ARCZ\|\|psShape->nSHPType==SHPT_ARCM\|\|psShape->nSHPType==SHPT_MULTIPATCH)

	return (psShape)

const char SHPAPI_CALL1 *	SHPTypeName (int nSHPType){ switch(nSHPType

const char SHPAPI_CALL1 *	SHPPartTypeName (int nPartType){ switch(nPartType

void SHPAPI_CALL	SHPDestroyObject (SHPObject *psShape)

int SHPAPI_CALL	SHPRewindObject (CPL_UNUSED SHPHandle hSHP, SHPObject *psObject)

Variables
psObject	nSHPType = nSHPType

psObject	nShapeId = nShapeId

psObject	bMeasureIsUsed = FALSE

	else

	bHasZ = FALSE

psObject	nVertices = nVertices

	nEntitySize = psSHP->panRecSize[hEntity]+8

	nBytesRead = (int)psSHP->sHooks.FRead( psSHP->pabyRec, 1, nEntitySize, psSHP->fpSHP )

else	psShape = (SHPObject *) calloc(1,sizeof(SHPObject))

psShape	bFastModeReadObject = psSHP->bFastModeReadObject

Macro Definition Documentation

◆ ByteCopy

#define ByteCopy	(	a,
		b,
		c
	)	memcpy( b, a, c )

Definition at line 296 of file shpopen.c.

Referenced by SHPCreateLL(), and SHPWriteHeader().

◆ CPL_UNUSED

#define CPL_UNUSED

Definition at line 280 of file shpopen.c.

◆ FALSE

#define FALSE 0

Definition at line 292 of file shpopen.c.

Referenced by if(), SHPCreateLL(), SHPDestroyObject(), SHPOpenLL(), SHPRestoreSHX(), SHPRewindObject(), and SHPWriteObject().

◆ MAX

#define MAX	(	a,
		b
	)	((a>b) ? a : b)

Definition at line 299 of file shpopen.c.

Referenced by SHPComputeExtents().

◆ MIN

#define MIN	(	a,
		b
	)	((a<b) ? a : b)

Definition at line 298 of file shpopen.c.

Referenced by SHPComputeExtents().

◆ TRUE

#define TRUE 1

Definition at line 293 of file shpopen.c.

Referenced by if(), SHPCreateLL(), SHPOpenLL(), SHPRestoreSHX(), and SHPWriteObject().

Typedef Documentation

◆ int32

typedef unsigned int int32

Definition at line 288 of file shpopen.c.

◆ uchar

typedef unsigned char uchar

Definition at line 283 of file shpopen.c.

Function Documentation

◆ if() [1/11]

if ( nSHPType = = SHPT_ARCM || nSHPType == SHPT_POINTM || nSHPType == SHPT_POLYGONM || nSHPType == SHPT_MULTIPOINTM )

Definition at line 1403 of file shpopen.c.

References FALSE, SHPT_ARCZ, SHPT_MULTIPATCH, SHPT_MULTIPOINTZ, SHPT_POINTZ, SHPT_POLYGONZ, and TRUE.

◆ if() [2/11]

if	(	nVertices	,
		0
	)

Definition at line 1463 of file shpopen.c.

References tagSHPObject::bMeasureIsUsed, NULL, nVertices, tagSHPObject::padfM, tagSHPObject::padfX, tagSHPObject::padfY, tagSHPObject::padfZ, and TRUE.

◆ if() [3/11]

if ( psSHP-> panRecOffset[hEntity] = = 0 && psSHP->fpSHX != NULL )

Definition at line 1998 of file shpopen.c.

References SAHooks::Error, SHPInfo::fpSHX, SAHooks::FRead, SAHooks::FSeek, NULL, and SHPInfo::sHooks.

◆ if() [4/11]

if	(	nEntitySize	,
		psSHP->	nBufSize
	)

Definition at line 2044 of file shpopen.c.

References SHPInfo::fpSHP, SAHooks::FSeek, SAHooks::FTell, nEntitySize, SHPInfo::nFileSize, SHPInfo::panRecOffset, and SHPInfo::sHooks.

◆ if() [5/11]

if ( psSHP-> pabyRec = = NULL )

Definition at line 2098 of file shpopen.c.

References NULL.

◆ if() [6/11]

if ( psSHP->sHooks.FSeek(psSHP->fpSHP, psSHP->panRecOffset[hEntity], 0) ! = 0 )

Definition at line 2106 of file shpopen.c.

References SAHooks::Error, NULL, SHPInfo::panRecOffset, and SHPInfo::sHooks.

◆ if() [7/11]

if ( nBytesRead >=8 && nBytesRead = = nEntitySize - 8 )

Definition at line 2129 of file shpopen.c.

References SHPInfo::pabyRec.

◆ if() [8/11]

else if ( nBytesRead ! = nEntitySize )

Definition at line 2148 of file shpopen.c.

References SAHooks::Error, NULL, SHPInfo::panRecOffset, and SHPInfo::sHooks.

◆ if() [9/11]

if	(	8+	4,
		nEntitySize
	)

Definition at line 2163 of file shpopen.c.

References SAHooks::Error, NULL, SHPInfo::pabyRec, and SHPInfo::sHooks.

◆ if() [10/11]

if ( bBigEndian )

Definition at line 2173 of file shpopen.c.

◆ if() [11/11]

else if ( psShape-> nSHPType = = SHPT_POLYGON || psShape->nSHPType == SHPT_ARC || psShape->nSHPType == SHPT_POLYGONZ || psShape->nSHPType == SHPT_POLYGONM || psShape->nSHPType == SHPT_ARCZ || psShape->nSHPType == SHPT_ARCM || psShape->nSHPType == SHPT_MULTIPATCH )

Definition at line 2200 of file shpopen.c.

References tagSHPObject::dfXMax, tagSHPObject::dfXMin, tagSHPObject::dfYMax, tagSHPObject::dfYMin, SAHooks::Error, NULL, SHPInfo::pabyRec, SHPInfo::sHooks, and SHPDestroyObject().

◆ return() [1/2]

return ( psObject )

◆ return() [2/2]

return ( psShape )

◆ SHPClose()

void SHPAPI_CALL SHPClose ( SHPHandle psSHP )

Definition at line 1073 of file shpopen.c.

References SHPInfo::bUpdated, SAHooks::FClose, SHPInfo::fpSHP, SHPInfo::fpSHX, free(), NULL, SHPInfo::pabyObjectBuf, SHPInfo::pabyRec, SHPInfo::panRecOffset, SHPInfo::panRecSize, SHPInfo::psCachedObject, SHPInfo::sHooks, and SHPWriteHeader().

◆ SHPComputeExtents() [1/2]

void SHPAPI_CALL SHPComputeExtents ( SHPObject * psObject )

Definition at line 1348 of file shpopen.c.

References bHasZ, tagSHPObject::dfMMax, tagSHPObject::dfMMin, tagSHPObject::dfXMax, tagSHPObject::dfXMin, tagSHPObject::dfYMax, tagSHPObject::dfYMin, tagSHPObject::dfZMax, tagSHPObject::dfZMin, MAX, MIN, nShapeId, nSHPType, tagSHPObject::nVertices, nVertices, tagSHPObject::padfM, tagSHPObject::padfX, tagSHPObject::padfY, tagSHPObject::padfZ, SHPAPI_CALL1, and SHPCreateObject().

◆ SHPComputeExtents() [2/2]

SHPComputeExtents ( psObject )

◆ SHPCreate()

SHPHandle SHPAPI_CALL SHPCreate	(	const char *	pszLayer,
		int	nShapeType
	)

Definition at line 1173 of file shpopen.c.

References SASetupDefaultHooks(), SHPAPI_CALL, and SHPCreateLL().

◆ SHPCreateLL()

SHPHandle SHPAPI_CALL SHPCreateLL	(	const char *	pszLayer,
		int	nShapeType,
		SAHooks *	psHooks
	)

Definition at line 1191 of file shpopen.c.

References ByteCopy, SAHooks::Error, FALSE, SAHooks::FOpen, free(), malloc(), NULL, and TRUE.

Referenced by SHPCreate().

◆ SHPCreateObject()

SHPObject SHPAPI_CALL1* SHPCreateObject	(	int	nSHPType,
		int	nShapeId,
		int	nParts,
		const int *	panPartStart,
		const int *	panPartType,
		int	nVertices,
		const double *	padfX,
		const double *	padfY,
		const double *	padfZ,
		const double *	padfM
	)

Referenced by SHPComputeExtents().

◆ SHPCreateSimpleObject()

SHPObject SHPAPI_CALL1* SHPCreateSimpleObject	(	int	nSHPType,
		int	nVertices,
		const double *	padfX,
		const double *	padfY,
		const double *	padfZ
	)

◆ SHPDestroyObject()

void SHPAPI_CALL SHPDestroyObject ( SHPObject * psShape )

Definition at line 2766 of file shpopen.c.

References tagSHPObject::bFastModeReadObject, FALSE, free(), NULL, tagSHPObject::padfM, tagSHPObject::padfX, tagSHPObject::padfY, tagSHPObject::padfZ, tagSHPObject::panPartStart, tagSHPObject::panPartType, and SHPAPI_CALL.

Referenced by if().

◆ SHPGetInfo()

void SHPAPI_CALL SHPGetInfo	(	SHPHandle	psSHP,
		int *	pnEntities,
		int *	pnShapeType,
		double *	padfMinBound,
		double *	padfMaxBound
	)

Definition at line 1141 of file shpopen.c.

References SHPInfo::adBoundsMax, SHPInfo::adBoundsMin, SHPInfo::nRecords, SHPInfo::nShapeType, NULL, and SHPAPI_CALL.

◆ SHPOpen()

SHPHandle SHPAPI_CALL SHPOpen	(	const char *	pszLayer,
		const char *	pszAccess
	)

Definition at line 489 of file shpopen.c.

References SASetupDefaultHooks(), SHPAPI_CALL, and SHPOpenLL().

◆ SHPOpenLL()

SHPHandle SHPAPI_CALL SHPOpenLL	(	const char *	pszLayer,
		const char *	pszAccess,
		SAHooks *	psHooks
	)

Definition at line 507 of file shpopen.c.

References SHPInfo::bUpdated, SAHooks::Error, FALSE, SAHooks::FClose, SAHooks::FOpen, SHPInfo::fpSHP, SHPInfo::fpSHX, SAHooks::FRead, free(), malloc(), SHPInfo::nFileSize, NULL, SHPInfo::sHooks, and TRUE.

Referenced by SHPOpen(), and SHPOpenLLEx().

◆ SHPOpenLLEx()

SHPHandle SHPAPI_CALL SHPOpenLLEx	(	const char *	pszLayer,
		const char *	pszAccess,
		SAHooks *	psHooks,
		int	bRestoreSHX
	)

Definition at line 850 of file shpopen.c.

References NULL, SHPAPI_CALL, SHPOpenLL(), and SHPRestoreSHX().

◆ SHPPartTypeName()

const char SHPAPI_CALL1* SHPPartTypeName ( int nPartType )

Definition at line 2733 of file shpopen.c.

References SHPAPI_CALL, SHPP_FIRSTRING, SHPP_INNERRING, SHPP_OUTERRING, SHPP_RING, SHPP_TRIFAN, and SHPP_TRISTRIP.

◆ SHPReadObject()

SHPObject SHPAPI_CALL1* SHPReadObject	(	SHPHandle	psSHP,
		int	hEntity
	)		-> nRecords) return(NULL

◆ SHPRestoreSHX()

int SHPAPI_CALL SHPRestoreSHX	(	const char *	pszLayer,
		const char *	pszAccess,
		SAHooks *	psHooks
	)

Definition at line 874 of file shpopen.c.

References SAHooks::Error, FALSE, SAHooks::FOpen, SAHooks::FRead, free(), malloc(), NULL, and TRUE.

Referenced by SHPOpenLLEx().

◆ SHPRewindObject()

int SHPAPI_CALL SHPRewindObject	(	CPL_UNUSED SHPHandle	hSHP,
		SHPObject *	psObject
	)

Definition at line 2803 of file shpopen.c.

References FALSE, tagSHPObject::nParts, tagSHPObject::nSHPType, tagSHPObject::nVertices, tagSHPObject::padfM, tagSHPObject::padfX, tagSHPObject::padfY, tagSHPObject::padfZ, tagSHPObject::panPartStart, SHPT_POLYGON, SHPT_POLYGONM, and SHPT_POLYGONZ.

◆ SHPSetFastModeReadObject()

void SHPAPI_CALL SHPSetFastModeReadObject	(	SHPHandle	hSHP,
		int	bFastMode
	)

Definition at line 1120 of file shpopen.c.

References assert, SHPInfo::bFastModeReadObject, NULL, SHPInfo::psCachedObject, and SHPAPI_CALL.

◆ SHPTypeName()

const char SHPAPI_CALL1* SHPTypeName ( int nSHPType )

Definition at line 2676 of file shpopen.c.

References SHPAPI_CALL1, SHPT_ARC, SHPT_ARCM, SHPT_ARCZ, SHPT_MULTIPATCH, SHPT_MULTIPOINT, SHPT_MULTIPOINTM, SHPT_MULTIPOINTZ, SHPT_NULL, SHPT_POINT, SHPT_POINTM, SHPT_POINTZ, SHPT_POLYGON, SHPT_POLYGONM, and SHPT_POLYGONZ.

◆ SHPWriteHeader()

void SHPAPI_CALL SHPWriteHeader ( SHPHandle psSHP )

Definition at line 359 of file shpopen.c.

References ByteCopy, SAHooks::Error, SHPInfo::fpSHX, SHPInfo::nFileSize, NULL, and SHPInfo::sHooks.

Referenced by SHPClose().

◆ SHPWriteObject()

int SHPAPI_CALL SHPWriteObject	(	SHPHandle	psSHP,
		int	nShapeId,
		SHPObject *	psObject
	)

Definition at line 1519 of file shpopen.c.

References assert, SHPInfo::bUpdated, FALSE, SHPInfo::nMaxRecords, SHPInfo::nRecords, SHPInfo::nShapeType, tagSHPObject::nSHPType, SHPT_NULL, and TRUE.

Variable Documentation

◆ bFastModeReadObject

psShape bFastModeReadObject = psSHP->bFastModeReadObject

Definition at line 2195 of file shpopen.c.

◆ bHasZ

bHasZ = FALSE

Definition at line 1423 of file shpopen.c.

Referenced by SHPComputeExtents().

◆ bMeasureIsUsed

psShape bMeasureIsUsed = FALSE

Definition at line 1398 of file shpopen.c.

◆ else

else

Initial value:

{

bHasM = FALSE

FALSE

#define FALSE

Definition: shpopen.c:292

Definition at line 1421 of file shpopen.c.

◆ nBytesRead

nBytesRead = (int)psSHP->sHooks.FRead( psSHP->pabyRec, 1, nEntitySize, psSHP->fpSHP )

Definition at line 2121 of file shpopen.c.

◆ nEntitySize

nEntitySize = psSHP->panRecSize[hEntity]+8

Definition at line 2043 of file shpopen.c.

Referenced by if().

◆ nShapeId

psShape nShapeId = nShapeId

Definition at line 1397 of file shpopen.c.

Referenced by SHPComputeExtents().

◆ nSHPType

psShape nSHPType = nSHPType

Definition at line 1396 of file shpopen.c.

Referenced by SHPComputeExtents().

◆ nVertices

psObject nVertices = nVertices

Definition at line 1488 of file shpopen.c.

Referenced by if(), and SHPComputeExtents().

◆ psShape

else psShape = (SHPObject *) calloc(1,sizeof(SHPObject))

Definition at line 2191 of file shpopen.c.

Macros

Typedefs

Functions

Variables

Macro Definition Documentation

◆ ByteCopy

◆ CPL_UNUSED

◆ FALSE

◆ MAX

◆ MIN

◆ TRUE

Typedef Documentation

◆ int32

◆ uchar

Function Documentation

◆ if() [1/11]

◆ if() [2/11]

◆ if() [3/11]

◆ if() [4/11]

◆ if() [5/11]

◆ if() [6/11]

◆ if() [7/11]

◆ if() [8/11]

◆ if() [9/11]

◆ if() [10/11]

◆ if() [11/11]

◆ return() [1/2]

◆ return() [2/2]

◆ SHPClose()

◆ SHPComputeExtents() [1/2]

◆ SHPComputeExtents() [2/2]

◆ SHPCreate()

◆ SHPCreateLL()

◆ SHPCreateObject()

◆ SHPCreateSimpleObject()

◆ SHPDestroyObject()

◆ SHPGetInfo()

◆ SHPOpen()

◆ SHPOpenLL()

◆ SHPOpenLLEx()

◆ SHPPartTypeName()

◆ SHPReadObject()

◆ SHPRestoreSHX()

◆ SHPRewindObject()

◆ SHPSetFastModeReadObject()

◆ SHPTypeName()

◆ SHPWriteHeader()

◆ SHPWriteObject()

Variable Documentation

◆ bFastModeReadObject

◆ bHasZ

◆ bMeasureIsUsed

◆ else

◆ nBytesRead

◆ nEntitySize

◆ nShapeId

◆ nSHPType

◆ nVertices

◆ psShape