shpopen.c File Reference

#include "shapefil_private.h"
#include <assert.h>
#include <errno.h>
#include <limits.h>
#include <math.h>
#include <stdbool.h>
#include <stdint.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>

Include dependency graph for shpopen.c:

Go to the source code of this file.

Macros
#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)
#define	SHP_RESTORE_SHX_HINT_MESSAGE    " Use SHPRestoreSHX() to restore or create it."

Functions
void	SHPWriteHeader (SHPHandle psSHP)
SHPHandle	SHPOpen (const char *pszLayer, const char *pszAccess)
SHPHandle	SHPOpenLL (const char *pszLayer, const char *pszAccess, const SAHooks *psHooks)
SHPHandle	SHPOpenLLEx (const char *pszLayer, const char *pszAccess, const SAHooks *psHooks, int bRestoreSHX)
int	SHPRestoreSHX (const char *pszLayer, const char *pszAccess, const SAHooks *psHooks)
void	SHPClose (SHPHandle psSHP)
void	SHPSetFastModeReadObject (SHPHandle hSHP, int bFastMode)
void	SHPGetInfo (const SHPHandle psSHP, int *pnEntities, int *pnShapeType, double *padfMinBound, double *padfMaxBound)
SHPHandle	SHPCreate (const char *pszLayer, int nShapeType)
SHPHandle	SHPCreateLL (const char *pszLayer, int nShapeType, const SAHooks *psHooks)
void	SHPComputeExtents (SHPObject *psObject)
SHPObject *	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 *	SHPCreateSimpleObject (int nSHPType, int nVertices, const double *padfX, const double *padfY, const double *padfZ)
int	SHPWriteObject (SHPHandle psSHP, int nShapeId, const SHPObject *psObject)
SHPObject *	SHPReadObject (const SHPHandle psSHP, int hEntity)
const char *	SHPTypeName (int nSHPType)
const char *	SHPPartTypeName (int nPartType)
void	SHPDestroyObject (SHPObject *psShape)
int	SHPRewindObject (const SHPHandle hSHP, SHPObject *psObject)

Macro Definition Documentation

ByteCopy

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

Definition at line 31 of file shpopen.c.

FALSE

#define FALSE   0

Definition at line 27 of file shpopen.c.

MAX

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

Definition at line 34 of file shpopen.c.

MIN

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

Definition at line 33 of file shpopen.c.

SHP_RESTORE_SHX_HINT_MESSAGE

#define SHP_RESTORE_SHX_HINT_MESSAGE    " Use SHPRestoreSHX() to restore or create it."

Definition at line 51 of file shpopen.c.

TRUE

#define TRUE   1

Definition at line 28 of file shpopen.c.

Function Documentation

SHPClose()

void SHPClose

(

SHPHandle

psSHP

)

Definition at line 851 of file shpopen.c.

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

Referenced by SHPOpenLL().

SHPComputeExtents()

void SHPComputeExtents

(

SHPObject *

psObject

)

Definition at line 1147 of file shpopen.c.

References tagSHPObject::dfMMax, tagSHPObject::dfMMin, tagSHPObject::dfXMax, tagSHPObject::dfXMin, tagSHPObject::dfYMax, tagSHPObject::dfYMin, tagSHPObject::dfZMax, tagSHPObject::dfZMin, MAX, MIN, tagSHPObject::nVertices, tagSHPObject::padfM, tagSHPObject::padfX, tagSHPObject::padfY, and tagSHPObject::padfZ.

Referenced by SHPCreateObject().

SHPCreate()

SHPHandle SHPCreate	(	const char *	pszLayer,
		int	nShapeType
	)

Definition at line 944 of file shpopen.c.

References SASetupDefaultHooks(), and SHPCreateLL().

SHPCreateLL()

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

Definition at line 960 of file shpopen.c.

References SHPInfo::bUpdated, ByteCopy, SAHooks::Error, FALSE, SAHooks::FClose, SAHooks::FOpen, SHPInfo::fpSHP, SHPInfo::fpSHX, SAHooks::FWrite, SHPInfo::nFileSize, SHPInfo::nShapeType, SHPInfo::panRecOffset, SHPInfo::panRecSize, SAHooks::pvUserData, SHPInfo::sHooks, SHP_SWAP32, SHPLIB_NULLPTR, and STATIC_CAST.

Referenced by SHPCreate().

SHPCreateObject()

SHPObject * 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
	)

Definition at line 1180 of file shpopen.c.

References tagSHPObject::bMeasureIsUsed, FALSE, MAX, tagSHPObject::nParts, tagSHPObject::nShapeId, tagSHPObject::nSHPType, tagSHPObject::nVertices, tagSHPObject::padfM, tagSHPObject::padfX, tagSHPObject::padfY, tagSHPObject::padfZ, tagSHPObject::panPartStart, tagSHPObject::panPartType, SHPComputeExtents(), SHPLIB_NULLPTR, SHPP_RING, SHPT_ARC, SHPT_ARCM, SHPT_ARCZ, SHPT_MULTIPATCH, SHPT_MULTIPOINTM, SHPT_MULTIPOINTZ, SHPT_POINTM, SHPT_POINTZ, SHPT_POLYGON, SHPT_POLYGONM, SHPT_POLYGONZ, STATIC_CAST, and TRUE.

Referenced by SHPCreateSimpleObject().

SHPCreateSimpleObject()

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

Definition at line 1309 of file shpopen.c.

References SHPCreateObject(), and SHPLIB_NULLPTR.

SHPDestroyObject()

void SHPDestroyObject

(

SHPObject *

psShape

)

Definition at line 2725 of file shpopen.c.

References tagSHPObject::bFastModeReadObject, FALSE, tagSHPObject::padfM, tagSHPObject::padfX, tagSHPObject::padfY, tagSHPObject::padfZ, tagSHPObject::panPartStart, tagSHPObject::panPartType, and SHPLIB_NULLPTR.

Referenced by SHPReadObject().

SHPGetInfo()

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

Definition at line 916 of file shpopen.c.

References SHPInfo::adBoundsMax, SHPInfo::adBoundsMin, SHPInfo::nRecords, SHPInfo::nShapeType, and SHPLIB_NULLPTR.

SHPOpen()

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

Definition at line 219 of file shpopen.c.

References SASetupDefaultHooks(), and SHPOpenLL().

SHPOpenLL()

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

Definition at line 251 of file shpopen.c.

References SHPInfo::adBoundsMax, SHPInfo::adBoundsMin, SHPInfo::bUpdated, SAHooks::Error, FALSE, SAHooks::FClose, SAHooks::FOpen, SHPInfo::fpSHP, SHPInfo::fpSHX, SAHooks::FRead, SAHooks::FSeek, SAHooks::FTell, MAX, SHPInfo::nFileSize, SHPInfo::nMaxRecords, SHPInfo::nRecords, SHPInfo::nShapeType, SHPInfo::panRecOffset, SHPInfo::panRecSize, SAHooks::pvUserData, SHPInfo::sHooks, SHP_RESTORE_SHX_HINT_MESSAGE, SHP_SWAP32, SHP_SWAP64, SHPClose(), SHPLIB_NULLPTR, and STATIC_CAST.

Referenced by SHPOpen(), and SHPOpenLLEx().

SHPOpenLLEx()

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

Definition at line 602 of file shpopen.c.

References SHPLIB_NULLPTR, SHPOpenLL(), and SHPRestoreSHX().

SHPPartTypeName()

const char * SHPPartTypeName

(

int

nPartType

)

Definition at line 2695 of file shpopen.c.

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

SHPReadObject()

SHPObject * SHPReadObject	(	const SHPHandle	psSHP,
		int	hEntity
	)

Definition at line 1852 of file shpopen.c.

References tagSHPObject::bFastModeReadObject, tagSHPObject::bMeasureIsUsed, tagSHPObject::dfMMax, tagSHPObject::dfMMin, tagSHPObject::dfXMax, tagSHPObject::dfXMin, tagSHPObject::dfYMax, tagSHPObject::dfYMin, tagSHPObject::dfZMax, tagSHPObject::dfZMin, FALSE, tagSHPObject::nParts, tagSHPObject::nShapeId, tagSHPObject::nSHPType, tagSHPObject::nVertices, tagSHPObject::padfM, tagSHPObject::padfX, tagSHPObject::padfY, tagSHPObject::padfZ, tagSHPObject::panPartStart, tagSHPObject::panPartType, SHP_SWAP32, SHP_SWAPDOUBLE_CPY, SHPDestroyObject(), SHPLIB_NULLPTR, SHPP_RING, SHPT_ARC, SHPT_ARCM, SHPT_ARCZ, SHPT_MULTIPATCH, SHPT_MULTIPOINT, SHPT_MULTIPOINTM, SHPT_MULTIPOINTZ, SHPT_POINT, SHPT_POINTM, SHPT_POINTZ, SHPT_POLYGON, SHPT_POLYGONM, SHPT_POLYGONZ, STATIC_CAST, and TRUE.

SHPRestoreSHX()

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

Definition at line 623 of file shpopen.c.

References SAHooks::Error, FALSE, SAHooks::FClose, SAHooks::FOpen, SAHooks::FRead, SAHooks::FSeek, SAHooks::FWrite, SAHooks::pvUserData, SHP_SWAP32, SHPLIB_NULLPTR, 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, SHPT_POLYGONZ, STATIC_CAST, and TRUE.

Referenced by SHPOpenLLEx().

SHPRewindObject()

int SHPRewindObject	(	const SHPHandle	hSHP,
		SHPObject *	psObject
	)

Definition at line 2856 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, SHPT_POLYGONZ, and TRUE.

SHPSetFastModeReadObject()

void SHPSetFastModeReadObject	(	SHPHandle	hSHP,
		int	bFastMode
	)

Definition at line 897 of file shpopen.c.

References assert, SHPInfo::bFastModeReadObject, SHPInfo::psCachedObject, SHPLIB_NULLPTR, and STATIC_CAST.

SHPTypeName()

const char * SHPTypeName

(

int

nSHPType

)

Definition at line 2641 of file shpopen.c.

References 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 SHPWriteHeader

(

SHPHandle

psSHP

)

Definition at line 62 of file shpopen.c.

References SHPInfo::adBoundsMax, SHPInfo::adBoundsMin, ByteCopy, SAHooks::Error, SAHooks::FFlush, SHPInfo::fpSHP, SHPInfo::fpSHX, SAHooks::FSeek, SAHooks::FWrite, SHPInfo::nFileSize, SHPInfo::nRecords, SHPInfo::nShapeType, SHPInfo::panRecOffset, SHPInfo::panRecSize, SHPInfo::sHooks, SHP_SWAP32, SHP_SWAP64, SHPLIB_NULLPTR, and STATIC_CAST.

Referenced by SHPClose().

SHPWriteObject()

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

Definition at line 1323 of file shpopen.c.

References SHPInfo::adBoundsMax, SHPInfo::adBoundsMin, assert, tagSHPObject::bMeasureIsUsed, SHPInfo::bUpdated, ByteCopy, tagSHPObject::dfMMax, tagSHPObject::dfMMin, tagSHPObject::dfZMax, tagSHPObject::dfZMin, DISABLE_MULTIPATCH_MEASURE, SAHooks::Error, SHPInfo::fpSHP, SAHooks::FSeek, SAHooks::FTell, SAHooks::FWrite, MAX, MIN, SHPInfo::nFileSize, SHPInfo::nMaxRecords, tagSHPObject::nParts, SHPInfo::nRecords, SHPInfo::nShapeType, tagSHPObject::nSHPType, tagSHPObject::nVertices, tagSHPObject::padfM, tagSHPObject::padfX, tagSHPObject::padfY, tagSHPObject::padfZ, tagSHPObject::panPartStart, tagSHPObject::panPartType, SHPInfo::panRecOffset, SHPInfo::panRecSize, SHPInfo::sHooks, SHP_SWAP32, SHP_SWAP64, SHPLIB_NULLPTR, 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, SHPT_POLYGONZ, STATIC_CAST, and TRUE.