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[R-gregmisc-users] SF.net SVN: r-gregmisc: [1124] trunk/SASxport/src
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From: <wa...@us...> - 2007-08-08 18:54:22
|
Revision: 1124
http://r-gregmisc.svn.sourceforge.net/r-gregmisc/?rev=1124&view=rev
Author: warnes
Date: 2007-08-08 11:54:00 -0700 (Wed, 08 Aug 2007)
Log Message:
-----------
Updates
Modified Paths:
--------------
trunk/SASxport/src/init.c
Removed Paths:
-------------
trunk/SASxport/src/SASxport.c
trunk/SASxport/src/SASxport.h
trunk/SASxport/src/foreign.h
Deleted: trunk/SASxport/src/SASxport.c
===================================================================
--- trunk/SASxport/src/SASxport.c 2007-08-08 18:53:42 UTC (rev 1123)
+++ trunk/SASxport/src/SASxport.c 2007-08-08 18:54:00 UTC (rev 1124)
@@ -1,649 +0,0 @@
-/*
- *
- * Read SAS transport data set format
- *
- * Copyright 1999-1999 Douglas M. Bates <ba...@st...>,
- * Saikat DebRoy <sa...@st...>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be
- * useful, but WITHOUT ANY WARRANTY; without even the implied
- * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
- * PURPOSE. See the GNU General Public License for more
- * details.
- *
- * You should have received a copy of the GNU General Public
- * License along with this program; if not, write to the Free
- * Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
- * Boston, MA 02110-1301 USA
- *
- */
-
-#include <stdio.h>
-#include <string.h>
-#include <R.h>
-#include <Rinternals.h>
-#include "foreign.h"
-#include "SASxport.h"
-
-#define HEADER_BEG "HEADER RECORD*******"
-#define HEADER_TYPE_LIBRARY "LIBRARY "
-#define HEADER_TYPE_MEMBER "MEMBER "
-#define HEADER_TYPE_DSCRPTR "DSCRPTR "
-#define HEADER_TYPE_NAMESTR "NAMESTR "
-#define HEADER_TYPE_OBS "OBS "
-#define HEADER_END "HEADER RECORD!!!!!!!000000000000000000000000000000 "
-
-#define LIB_HEADER HEADER_BEG HEADER_TYPE_LIBRARY HEADER_END
-#define MEM_HEADER HEADER_BEG HEADER_TYPE_MEMBER \
- "HEADER RECORD!!!!!!!000000000000000001600000000"
-#define DSC_HEADER HEADER_BEG HEADER_TYPE_DSCRPTR HEADER_END
-#define NAM_HEADER HEADER_BEG HEADER_TYPE_NAMESTR \
- "HEADER RECORD!!!!!!!000000"
-#define OBS_HEADER HEADER_BEG HEADER_TYPE_OBS HEADER_END
-#define BLANK24 " "
-
-#define GET_RECORD(rec, fp, len) \
- fread((rec), sizeof(char), (size_t) (len), (fp))
-
-#define IS_SASNA_CHAR(c) ((c) == 0x5f || (c) == 0x2e || \
- (0x41 <= (c) && (c) <= 0x5a))
-
-#ifndef NULL
-#define NULL ((void *) 0)
-#endif
-
-
-#define Two32 4294967296.0
-
-static double get_IBM_double(char* c, size_t len)
-{
- /* Conversion from IBM 360 format to double */
-/*
- * IBM format:
- * 6 5 0
- * 3 1 0
- *
- * SEEEEEEEMMMM ......... MMMM
- *
- * Sign bit, 7 bit exponent, 56 bit fraction. Exponent is
- * excess 64. The fraction is multiplied by a power of 16 of
- * the actual exponent. Normalized floating point numbers are
- * represented with the radix point immediately to the left of
- * the high order hex fraction digit.
- */
- unsigned int i, upper, lower;
- /* exponent is expressed here as
- excess 70 (=64+6) to accomodate
- integer conversion of c[1] to c[4] */
- char negative = c[0] & 0x80, exponent = (c[0] & 0x7f) - 70, buf[4];
- double value;
- char ibuf[8];
-
- if (len < 2 || len > 8)
- error(_("invalid field length in numeric variable"));
-
- /* this effectively zero-pads c: */
- memset(ibuf, 0, (size_t) 8);
- memcpy(ibuf, c, len);
- c = ibuf;
- /* check for missing value */
- /* This isn't really right: NAs are ' ', '.', A-Z plus zero fill */
- if (c[1] == '\0' && c[0] != '\0') return R_NaReal;
- /* convert c[1] to c[3] to an int */
- buf[0] = '\0';
- for (i = 1; i < 4; i++) buf[i] = c[i];
- char_to_uint(buf, upper);
- /* convert c[4] to c[7] to an int */
- for (i = 0; i < 4; i++) buf[i] = c[i + 4];
- char_to_uint(buf, lower);
- /* initialize the constant if needed */
- value = ((double) upper + ((double) lower)/Two32) *
- pow(16., (double) exponent);
- if (negative) value = -value;
- return value;
-}
-
-static int
-get_nam_header(FILE *fp, struct SAS_XPORT_namestr *namestr, int length)
-{
- char record[141];
- int n;
-
- record[length] = '\0';
- n = GET_RECORD(record, fp, length);
- if(n != length)
- return 0;
-
- char_to_short(record, namestr->ntype);
- char_to_short(record+2, namestr->nhfun);
- char_to_short(record+4, namestr->nlng);
- char_to_short(record+6, namestr->nvar0);
- memcpy(namestr->nname, record + 8, 8);
- memcpy(namestr->nlabel, record + 16, 40);
- memcpy(namestr->nform, record + 56, 8);
- char_to_short(record+64, namestr->nfl);
- char_to_short(record+66, namestr->nfd);
- char_to_short(record+68, namestr->nfj);
- memcpy(namestr->nfill, record + 70, 2);
- memcpy(namestr->niform, record + 72, 8);
- char_to_short(record+80, namestr->nifl);
- char_to_short(record+82, namestr->nifd);
- char_to_int(record+84, namestr->npos);
- return 1;
-}
-
-static int
-get_lib_header(FILE *fp, struct SAS_XPORT_header *head)
-{
- char record[81];
- int n;
-
- n = GET_RECORD(record, fp, 80);
- if(n == 80 && strncmp(LIB_HEADER, record, 80) != 0)
- error(_("file not in SAS transfer format"));
-
- n = GET_RECORD(record, fp, 80);
- if(n != 80)
- return 0;
- record[80] = '\0';
- memcpy(head->sas_symbol[0], record, 8);
- memcpy(head->sas_symbol[1], record+8, 8);
- memcpy(head->saslib, record+16, 8);
- memcpy(head->sasver, record+24, 8);
- memcpy(head->sas_os, record+32, 8);
- if((strrchr(record+40, ' ') - record) != 63)
- return 0;
- memcpy(head->sas_create, record+64, 16);
-
- n = GET_RECORD(record, fp, 80);
- if(n != 80)
- return 0;
- record[80] = '\0';
- memcpy(head->sas_mod, record, 16);
- if((strrchr(record+16, ' ') - record) != 79)
- return 0;
- return 1;
-}
-
-static int
-get_mem_header(FILE *fp, struct SAS_XPORT_member *member)
-{
- char record[81];
- int n;
-
- n = GET_RECORD(record, fp, 80);
- if(n != 80 || strncmp(DSC_HEADER, record, 80) != 0)
- error(_("file not in SAS transfer format"));
-
- n = GET_RECORD(record, fp, 80);
- if(n != 80)
- return 0;
- record[80] = '\0';
- memcpy(member->sas_symbol, record, 8);
- memcpy(member->sas_dsname, record+8, 8);
- memcpy(member->sasdata, record+16, 8);
- memcpy(member->sasver, record+24, 8);
- memcpy(member->sas_osname, record+32, 8);
- if((strrchr(record+40, ' ') - record) != 63)
- return 0;
- memcpy(member->sas_create, record+64, 16);
-
- n = GET_RECORD(record, fp, 80);
- if(n != 80)
- return 0;
- memcpy(member->sas_mod, record, 16);
- if((strrchr(record+16, ' ') - record) != 79)
- return 0;
- return 1;
-}
-
-static int
-init_xport_info(FILE *fp)
-{
- char record[81];
- int n;
- int namestr_length;
-
- struct SAS_XPORT_header *lib_head;
-
- lib_head = Calloc(1, struct SAS_XPORT_header);
-
- if(!get_lib_header(fp, lib_head)) {
- Free(lib_head);
- error(_("SAS transfer file has incorrect library header"));
- }
-
- Free(lib_head);
-
- n = GET_RECORD(record, fp, 80);
- if(n != 80 || strncmp(MEM_HEADER, record, 75) != 0 ||
- strncmp(" ", record+78, 2) != 0)
- error(_("file not in SAS transfer format"));
- record[78] = '\0';
- sscanf(record+75, "%d", &namestr_length);
-
- return namestr_length;
-}
-
-static int
-init_mem_info(FILE *fp, char *name)
-{
- int length, n;
- char record[81];
- char *tmp;
- struct SAS_XPORT_member *mem_head;
-
- mem_head = Calloc(1, struct SAS_XPORT_member);
- if(!get_mem_header(fp, mem_head)) {
- Free(mem_head);
- error(_("SAS transfer file has incorrect member header"));
- }
-
- n = GET_RECORD(record, fp, 80);
- record[80] = '\0';
- if(n != 80 || strncmp(NAM_HEADER, record, 54) != 0 ||
- (strrchr(record+58, ' ') - record) != 79) {
- Free(mem_head);
- error(_("file not in SAS transfer format"));
- }
- record[58] = '\0';
- sscanf(record+54, "%d", &length);
-
- tmp = strchr(mem_head->sas_dsname, ' ');
- n = tmp - mem_head->sas_dsname;
- if(n > 0) {
- if (n > 8)
- n = 8;
- strncpy(name, mem_head->sas_dsname, n);
- name[n] = '\0';
- } else name[0] = '\0';
-
- Free(mem_head);
-
- return length;
-}
-
-static int
-next_xport_info(FILE *fp, int namestr_length, int nvars, int *headpad,
- int *tailpad, int *length, int *ntype, int *nlng,
- int *nvar0, SEXP nname, SEXP nlabel, SEXP nform, int *npos)
-{
- char *tmp;
- char record[81];
- int i, n, nbytes, totwidth, nlength, restOfCard;
- struct SAS_XPORT_namestr *nam_head;
-
- nam_head = Calloc(nvars, struct SAS_XPORT_namestr);
-
- for(i = 0; i < nvars; i++) {
- if(!get_nam_header(fp, nam_head+i, namestr_length)) {
- Free(nam_head);
- error(_("SAS transfer file has incorrect library header"));
- }
- }
-
- *headpad = 480 + nvars * namestr_length;
- i = *headpad % 80;
- if(i > 0) {
- i = 80 - i;
- if (fseek(fp, i, SEEK_CUR) != 0) {
- Free(nam_head);
- error(_("file not in SAS transfer format"));
- }
- (*headpad) += i;
- }
-
- n = GET_RECORD(record, fp, 80);
- if(n != 80 || strncmp(OBS_HEADER, record, 80) != 0) {
- Free(nam_head);
- error(_("file not in SAS transfer format"));
- }
-
- for(i = 0; i < nvars; i++) {
- int nname_len = 0, nlabel_len = 0, nform_len = 0;
- char tmpname[41];
-
- ntype[i] = (int) ((nam_head[i].ntype == 1) ? REALSXP : STRSXP);
- nlng[i] = nam_head[i].nlng;
- nvar0[i] = nam_head[i].nvar0;
- npos[i] = nam_head[i].npos;
-
- /* Variable name */
- nname_len = 8;
- while (nname_len && nam_head[i].nname[nname_len-1] == ' ')
- nname_len--;
- strncpy(tmpname, nam_head[i].nname, nname_len);
- tmpname[nname_len] = '\0';
- SET_STRING_ELT(nname, i, mkChar(tmpname));
-
- /* Variable label */
- nlabel_len = 40;
- while (nlabel_len && nam_head[i].nlabel[nlabel_len-1] == ' ')
- nlabel_len--;
- strncpy(tmpname, nam_head[i].nlabel, nlabel_len);
- tmpname[nlabel_len] = '\0';
- SET_STRING_ELT(nlabel, i, mkChar(tmpname));
-
- /* Variable format name */
- nform_len = 8;
- while (nform_len && nam_head[i].nform[nform_len-1] == ' ')
- nform_len--;
- strncpy(tmpname, nam_head[i].nform, nform_len);
- tmpname[nform_len] = '\0';
- SET_STRING_ELT(nform, i, mkChar(tmpname));
- }
-
- Free(nam_head);
-
- totwidth = 0;
- for(i = 0; i < nvars; i++)
- totwidth += nlng[i];
-
- nbytes = 0;
- nlength = 0;
-/* tmp = (char *) R_alloc(totwidth+1, sizeof(char)); */
- tmp = CHAR(PROTECT(allocVector(CHARSXP, (totwidth<=80?81:(totwidth+1)) *
- sizeof(char))));
- restOfCard = 0;
- *tailpad = 0;
- while(!feof(fp)) {
- int allSpace = 1;
- fpos_t currentPos;
-
-/* restOfCard = 80 - (ftell(fp) % 80); */
- if (fgetpos(fp, ¤tPos)) {
- error(_("problem accessing SAS XPORT file"));
- }
-
- n = GET_RECORD(tmp, fp, restOfCard);
- if (n != restOfCard) {
- allSpace = 0;
- } else {
- for (i = 0; i < restOfCard; i++) {
- if (tmp[i] != ' ') {
- allSpace = 0;
- break;
- }
- }
- }
- if (allSpace) {
- n = GET_RECORD(record, fp, 80);
- if (n < 1) {
- *tailpad = restOfCard;
- break;
- }
- if(n == 80 && strncmp(MEM_HEADER, record, 75) == 0 &&
- strncmp(" ", record+78, 2) == 0) {
- *tailpad = restOfCard;
- record[78] = '\0';
- sscanf(record+75, "%d", &namestr_length);
- break;
- }
- }
- if (fsetpos(fp, ¤tPos)) {
- error(_("problem accessing SAS XPORT file"));
- }
-
- n = GET_RECORD(tmp, fp, totwidth);
- if (n != totwidth) {
- if (!feof(fp)) {
- error(_("problem accessing SAS XPORT file"));
- }
- *tailpad = n;
- break;
- }
- restOfCard = (restOfCard >= totwidth)?
- (restOfCard - totwidth):
- (80 - (totwidth - restOfCard)%80);
- nlength++;
- }
- *length = nlength;
- UNPROTECT(1);
-
- return (feof(fp)?-1:namestr_length);
-}
-
-/*
- * get the list element named str.
- */
-
-static SEXP
-getListElement(SEXP list, char *str) {
- SEXP names;
- SEXP elmt = (SEXP) NULL;
- char *tempChar;
- int i;
-
- names = getAttrib(list, R_NamesSymbol);
-
- for (i = 0; i < LENGTH(list); i++) {
- tempChar = CHAR(STRING_ELT(names, i));
- if( strcmp(tempChar,str) == 0) {
- elmt = VECTOR_ELT(list, i);
- break;
- }
- }
- return elmt;
-}
-
-#define VAR_INFO_LENGTH 11
-
-const char *cVarInfoNames[] = {
- "headpad",
- "type",
- "width",
- "index",
- "position",
- "name",
- "label",
- "format",
- "sexptype",
- "tailpad",
- "length"
-};
-
-#define XPORT_VAR_HEADPAD(varinfo) VECTOR_ELT(varinfo, 0)
-#define XPORT_VAR_TYPE(varinfo) VECTOR_ELT(varinfo, 1)
-#define XPORT_VAR_WIDTH(varinfo) VECTOR_ELT(varinfo, 2)
-#define XPORT_VAR_INDEX(varinfo) VECTOR_ELT(varinfo, 3)
-#define XPORT_VAR_POSITION(varinfo) VECTOR_ELT(varinfo, 4)
-#define XPORT_VAR_NAME(varinfo) VECTOR_ELT(varinfo, 5)
-#define XPORT_VAR_LABEL(varinfo) VECTOR_ELT(varinfo, 6)
-#define XPORT_VAR_FORM(varinfo) VECTOR_ELT(varinfo, 7)
-#define XPORT_VAR_SEXPTYPE(varinfo) VECTOR_ELT(varinfo, 8)
-#define XPORT_VAR_TAILPAD(varinfo) VECTOR_ELT(varinfo, 9)
-#define XPORT_VAR_LENGTH(varinfo) VECTOR_ELT(varinfo, 10)
-
-#define SET_XPORT_VAR_HEADPAD(varinfo, val) SET_VECTOR_ELT(varinfo, 0, val)
-#define SET_XPORT_VAR_TYPE(varinfo, val) SET_VECTOR_ELT(varinfo, 1, val)
-#define SET_XPORT_VAR_WIDTH(varinfo, val) SET_VECTOR_ELT(varinfo, 2, val)
-#define SET_XPORT_VAR_INDEX(varinfo, val) SET_VECTOR_ELT(varinfo, 3, val)
-#define SET_XPORT_VAR_POSITION(varinfo, val) SET_VECTOR_ELT(varinfo, 4, val)
-#define SET_XPORT_VAR_NAME(varinfo, val) SET_VECTOR_ELT(varinfo, 5, val)
-#define SET_XPORT_VAR_LABEL(varinfo, val) SET_VECTOR_ELT(varinfo, 6, val)
-#define SET_XPORT_VAR_FORM(varinfo, val) SET_VECTOR_ELT(varinfo, 7, val)
-#define SET_XPORT_VAR_SEXPTYPE(varinfo, val) SET_VECTOR_ELT(varinfo, 8, val)
-#define SET_XPORT_VAR_TAILPAD(varinfo, val) SET_VECTOR_ELT(varinfo, 9, val)
-#define SET_XPORT_VAR_LENGTH(varinfo, val) SET_VECTOR_ELT(varinfo, 10, val)
-
-SEXP
-xport_info(SEXP xportFile)
-{
- FILE *fp;
- int i, namestrLength, memLength, ansLength;
- char dsname[9];
- SEXP ans, ansNames, varInfoNames, varInfo;
- SEXP char_numeric, char_character;
-
- PROTECT(varInfoNames = allocVector(STRSXP, VAR_INFO_LENGTH));
- for(i = 0; i < VAR_INFO_LENGTH; i++)
- SET_STRING_ELT(varInfoNames, i, mkChar(cVarInfoNames[i]));
-
- PROTECT(char_numeric = mkChar("numeric"));
- PROTECT(char_character = mkChar("character"));
-
- if(!isValidString(xportFile))
- error(_("first argument must be a file name"));
- fp = fopen(R_ExpandFileName(CHAR(STRING_ELT(xportFile, 0))), "rb");
- if (!fp)
- error(_("unable to open file"));
- namestrLength = init_xport_info(fp);
-
- ansLength = 0;
- PROTECT(ans = allocVector(VECSXP, 0));
- PROTECT(ansNames = allocVector(STRSXP, 0));
-
- while(namestrLength > 0 && (memLength = init_mem_info(fp, dsname)) > 0) {
-
- PROTECT(varInfo = allocVector(VECSXP, VAR_INFO_LENGTH));
- setAttrib(varInfo, R_NamesSymbol, varInfoNames);
-
- SET_XPORT_VAR_TYPE(varInfo, allocVector(STRSXP, memLength));
- SET_XPORT_VAR_WIDTH(varInfo, allocVector(INTSXP, memLength));
- SET_XPORT_VAR_INDEX(varInfo, allocVector(INTSXP, memLength));
- SET_XPORT_VAR_POSITION(varInfo, allocVector(INTSXP, memLength));
- SET_XPORT_VAR_NAME(varInfo, allocVector(STRSXP, memLength));
- SET_XPORT_VAR_LABEL(varInfo, allocVector(STRSXP, memLength));
- SET_XPORT_VAR_FORM(varInfo, allocVector(STRSXP, memLength));
- SET_XPORT_VAR_SEXPTYPE(varInfo, allocVector(INTSXP, memLength));
- SET_XPORT_VAR_HEADPAD(varInfo, allocVector(INTSXP, 1));
- SET_XPORT_VAR_TAILPAD(varInfo, allocVector(INTSXP, 1));
- SET_XPORT_VAR_LENGTH(varInfo, allocVector(INTSXP, 1));
-
- namestrLength =
- next_xport_info(fp, namestrLength, memLength,
- INTEGER(XPORT_VAR_HEADPAD(varInfo)),
- INTEGER(XPORT_VAR_TAILPAD(varInfo)),
- INTEGER(XPORT_VAR_LENGTH(varInfo)),
- INTEGER(XPORT_VAR_SEXPTYPE(varInfo)),
- INTEGER(XPORT_VAR_WIDTH(varInfo)),
- INTEGER(XPORT_VAR_INDEX(varInfo)),
- XPORT_VAR_NAME(varInfo),
- XPORT_VAR_LABEL(varInfo),
- XPORT_VAR_FORM(varInfo),
- INTEGER(XPORT_VAR_POSITION(varInfo)));
-
- for(i = 0; i < memLength; i++) {
- int *ntype = INTEGER(XPORT_VAR_SEXPTYPE(varInfo));
- SET_STRING_ELT(XPORT_VAR_TYPE(varInfo), i,
- (ntype[i] == REALSXP) ? char_numeric :
- char_character);
- }
- PROTECT(ans = lengthgets(ans, ansLength+1));
- PROTECT(ansNames = lengthgets(ansNames, ansLength+1));
-/* PROTECT(newAns = allocVector(VECSXP, ansLength+1)); */
-/* PROTECT(newAnsNames = allocVector(STRSXP, ansLength+1)); */
-
-/* for(i = 0; i < ansLength; i++) { */
-/* SET_VECTOR_ELT(newAns, i, VECTOR_ELT(ans, i)); */
-/* SET_STRING_ELT(newAnsNames, i, STRING_ELT(ansNames, i)); */
-/* } */
-/* ans = newAns; */
-/* ansNames = newAnsNames; */
-
- SET_STRING_ELT(ansNames, ansLength, mkChar(dsname));
- SET_VECTOR_ELT(ans, ansLength, varInfo);
- ansLength++;
-
- UNPROTECT(5);
- PROTECT(ans);
- PROTECT(ansNames);
- }
-
- setAttrib(ans, R_NamesSymbol, ansNames);
- UNPROTECT(5);
- fclose(fp);
- return ans;
-}
-
-SEXP
-xport_read(SEXP xportFile, SEXP xportInfo)
-{
- int i, j, k, n;
- int nvar;
- int ansLength, dataLength, totalWidth;
- int dataHeadPad, dataTailPad;
- int *dataWidth;
- int *dataPosition;
- SEXPTYPE *dataType;
- char *record, *tmpchar, *c;
- FILE *fp;
- SEXP ans, names, data, dataInfo, dataName;
-
- ansLength = LENGTH(xportInfo);
- PROTECT(ans = allocVector(VECSXP, ansLength));
- names = getAttrib(xportInfo, R_NamesSymbol);
- setAttrib(ans, R_NamesSymbol, names);
-
- if(!isValidString(xportFile))
- error(_("first argument must be a file name"));
- fp = fopen(R_ExpandFileName(CHAR(STRING_ELT(xportFile, 0))), "rb");
- if (!fp)
- error(_("unable to open file"));
- if (fseek(fp, 240, SEEK_SET) != 0)
- error(_("problem reading SAS XPORT file '%s'"),
- CHAR(STRING_ELT(xportFile, 0)));
-
- for(i = 0; i < ansLength; i++) {
- dataInfo = VECTOR_ELT(xportInfo, i);
- dataName = getListElement(dataInfo, "name");
- nvar = LENGTH(dataName);
- dataLength = asInteger(getListElement(dataInfo, "length"));
- SET_VECTOR_ELT(ans, i, data = allocVector(VECSXP, nvar));
- setAttrib(data, R_NamesSymbol, dataName);
- dataType = (SEXPTYPE *) INTEGER(getListElement(dataInfo, "sexptype"));
- for(j = 0; j < nvar; j++)
- SET_VECTOR_ELT(data, j, allocVector(dataType[j], dataLength));
-
- dataWidth = INTEGER(getListElement(dataInfo, "width"));
- dataPosition = INTEGER(getListElement(dataInfo, "position"));
-
- totalWidth = 0;
- for(j = 0; j < nvar; j++)
- totalWidth += dataWidth[j];
-/* record = (char *) R_alloc(totalWidth + 1, sizeof (char)); */
- record = CHAR(PROTECT(allocVector(CHARSXP,
- (totalWidth+1) * sizeof(char))));
-
- dataHeadPad = asInteger(getListElement(dataInfo, "headpad"));
- dataTailPad = asInteger(getListElement(dataInfo, "tailpad"));
- fseek(fp, dataHeadPad, SEEK_CUR);
-
- for(j = 0; j < dataLength; j++) {
- n = GET_RECORD(record, fp, totalWidth);
- if(n != totalWidth) {
- error(_("problem reading SAS transport file"));
- }
-
- for(k = nvar-1; k >= 0; k--) {
- tmpchar = record + dataPosition[k];
- if(dataType[k] == REALSXP) {
- REAL(VECTOR_ELT(data, k))[j] =
- get_IBM_double(tmpchar, dataWidth[k]);
- } else {
- tmpchar[dataWidth[k]] = '\0';
- /* strip trailing blanks */
- c = tmpchar + dataWidth[k];
- while (c-- > tmpchar && *c == ' ')
- *c ='\0';
-
- SET_STRING_ELT(VECTOR_ELT(data, k), j,
- (c < tmpchar) ? R_BlankString :
- mkChar(tmpchar));
- }
- }
- }
-
- fseek(fp, dataTailPad, SEEK_CUR);
-
- UNPROTECT(1);
- }
- UNPROTECT(1);
- fclose(fp);
- return ans;
-}
Deleted: trunk/SASxport/src/SASxport.h
===================================================================
--- trunk/SASxport/src/SASxport.h 2007-08-08 18:53:42 UTC (rev 1123)
+++ trunk/SASxport/src/SASxport.h 2007-08-08 18:54:00 UTC (rev 1124)
@@ -1,77 +0,0 @@
-/*
- *
- * This file is derived from code in the SAS Technical Support
- * document TS-140 "The Record Layout of a Data Set in SAS Transport
- * (XPORT) Format" available as
- * http://ftp.sas.com/techsup/download/technote/ts140.html
- */
-
-#ifndef SASEXPORT_H
-#define SASEXPORT_H
-
-#include <string.h> /* for memcpy and memset */
-#include "foreign.h"
-#include "swap_bytes.h"
-
-/* double cnxptiee(double from, int fromtype, int totype); */
-
-
-
-struct SAS_XPORT_header {
- char sas_symbol[2][8]; /* should be "SAS " */
- char saslib[8]; /* should be "SASLIB " */
- char sasver[8];
- char sas_os[8];
- char sas_create[16];
- char sas_mod[16];
-};
-
-struct SAS_XPORT_member {
- char sas_symbol[8];
- char sas_dsname[8];
- char sasdata[8];
- char sasver[8];
- char sas_osname[8];
- char sas_create[16];
- char sas_mod[16];
-};
-
-struct SAS_XPORT_namestr {
- short ntype; /* VARIABLE TYPE: 1=NUMERIC, 2=CHAR */
- short nhfun; /* HASH OF NNAME (always 0) */
- short nlng; /* LENGTH OF VARIABLE IN OBSERVATION */
- short nvar0; /* VARNUM */
- char nname[8]; /* NAME OF VARIABLE */
- char nlabel[40]; /* LABEL OF VARIABLE */
- char nform[8]; /* NAME OF FORMAT */
- short nfl; /* FORMAT FIELD LENGTH OR 0 */
- short nfd; /* FORMAT NUMBER OF DECIMALS */
- short nfj; /* 0=LEFT JUSTIFICATION, 1=RIGHT JUST */
- char nfill[2]; /* (UNUSED, FOR ALIGNMENT AND FUTURE) */
- char niform[8]; /* NAME OF INPUT FORMAT */
- short nifl; /* INFORMAT LENGTH ATTRIBUTE */
- short nifd; /* INFORMAT NUMBER OF DECIMALS */
- int npos; /* POSITION OF VALUE IN OBSERVATION */
- char rest[52]; /* remaining fields are irrelevant */
-};
-
-#ifdef WORDS_BIGENDIAN
-
-#define char_to_short(from, to) memcpy(&to, from, 2)
-#define char_to_int(from, to) memcpy(&to, from, 4)
-#define char_to_uint(from, to) memcpy(&to, from, 4)
-
-#else
-
-#define char_to_short(from, to) memcpy(&to, from, 2); reverse_short(to);
-#define char_to_int(from, to) memcpy(&to, from, 4); reverse_int(to);
-#define char_to_uint(from, to) memcpy(&to, from, 4); reverse_uint(to);
-
-#endif /* WORDS_BIGENDIAN */
-
-
-SEXP xport_info(SEXP xportFile);
-SEXP xport_read(SEXP xportFile, SEXP xportInfo);
-
-
-#endif /* SASEXPORT_H */
Deleted: trunk/SASxport/src/foreign.h
===================================================================
--- trunk/SASxport/src/foreign.h 2007-08-08 18:53:42 UTC (rev 1123)
+++ trunk/SASxport/src/foreign.h 2007-08-08 18:54:00 UTC (rev 1124)
@@ -1,79 +0,0 @@
-/*
- *
- * Common header file for the foreign package for R
- *
- * Copyright 2000-2000 Saikat DebRoy <sa...@st...>
- * Douglas M. Bates <ba...@st...>,
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be
- * useful, but WITHOUT ANY WARRANTY; without even the implied
- * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
- * PURPOSE. See the GNU General Public License for more
- * details.
- *
- * You should have received a copy of the GNU General Public
- * License along with this program; if not, write to the Free
- * Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
- * Boston, MA 02110-1301 USA
- *
- */
-
-#ifndef FOREIGN_H
-#define FOREIGN_H
-
-#include <R.h>
-#include <Rinternals.h>
-
-#ifdef ENABLE_NLS
-#include <libintl.h>
-#define _(String) dgettext ("foreign", String)
-#define gettext_noop(String) (String)
-#else
-#define _(String) (String)
-#define gettext_noop(String) (String)
-#endif
-
-#define CN_TYPE_BIG 1
-#define CN_TYPE_LITTLE 2
-#define CN_TYPE_XPORT 3
-#define CN_TYPE_IEEEB CN_TYPE_BIG
-#define CN_TYPE_IEEEL CN_TYPE_LITTLE
-
-#define BIG 4321
-#define LITTLE 1234
-#define UNKNOWN 0000
-
-#ifdef WORDS_BIGENDIAN
-# define CN_TYPE_NATIVE CN_TYPE_IEEEB
-# define endian BIG
-#else
-# define CN_TYPE_NATIVE CN_TYPE_IEEEL
-# define endian LITTLE
-#endif /* not WORDS_BIGENDIAN */
-
-typedef int R_int32;
-/* typedef short int16; unused */
-
-typedef double R_flt64;
-/* typedef float flt32; unused */
-
-#define FPREP_IEEE754 754
-#define FPREP FPREP_IEEE754
-
-#ifdef max
-# undef max
-#endif
-#ifdef min
-# undef min
-#endif
-#define max(a,b) ((a) >= (b) ? (a) : (b))
-#define min(a,b) ((a) <= (b) ? (a) : (b))
-
-extern char* R_ExpandFileName(char*);
-
-#endif /* FOREIGN_H */
Modified: trunk/SASxport/src/init.c
===================================================================
--- trunk/SASxport/src/init.c 2007-08-08 18:53:42 UTC (rev 1123)
+++ trunk/SASxport/src/init.c 2007-08-08 18:54:00 UTC (rev 1124)
@@ -22,8 +22,8 @@
#include <Rinternals.h>
#include <R_ext/Rdynload.h>
#include "writeSAS.h"
-#include "foreign.h"
-#include "SASxport.h"
+//#include "foreign.h"
+//#include "SASxport.h"
#define ARGTYPE static R_NativePrimitiveArgType
@@ -54,8 +54,8 @@
#define CALLDEF(name, n) {#name, (DL_FUNC) &name, n}
static const R_CallMethodDef CallEntries[] = {
- CALLDEF(xport_info, 1),
- CALLDEF(xport_read, 2),
+// CALLDEF(xport_info, 1),
+// CALLDEF(xport_read, 2),
CALLDEF(getRawBuffer, 0),
{NULL, NULL, 0}
};
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