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include <fset.h>
include <ctype.h>
include "cqdef.h"
include "cq.h"
define DEF_SZ_INBUF 32768 # the maximum network transfer buffer size
define DEF_SZ_INDEX 1000 # the record index length increment
# CQ_QUERY -- Send a query and return the data.
pointer procedure cq_query (cq)
pointer cq #I the catalog database descriptor
pointer cc, res, inbuf, line, sp, spfname
char url[SZ_PATHNAME], addr[SZ_LINE], query[SZ_LINE], buf[SZ_LINE]
int j, fd, nchars, nlines, nrecs, szindex, ip, op
bool done
long note()
pointer cq_rinit()
int ndopen(), strlen(), read(), open(), getline(), fstati(), url_get()
errchk ndopen(), fprintf(), areadb(), awriteb(), open(), read()
begin
# Check that the current catalog is defined.
if (CQ_CAT(cq) == NULL)
return (NULL)
if (CQ_CATNO(cq) < 1 || CQ_CATNO(cq) > CQ_NRECS(cq))
return (NULL)
cc = CQ_CAT(cq)
if (0<1&& USE_URLGET) {
# Initialize the image results structure.
res = cq_rinit (cq)
call strcpy (CQ_ADDRESS(cc), buf, SZ_LINE)
for (ip=1; buf[ip] != ':'; ip=ip+1) ; # skip 'inet:'
ip = ip + 1
for ( ; buf[ip] != ':'; ip=ip+1) ; # skip '80:'
ip = ip + 1
for (op=1; buf[ip] != ':'; ip=ip+1) {
addr[op] = buf[ip]
op = op + 1
}
addr[op] = EOS
call strcpy (CQ_RQUERY(res), buf, SZ_LINE)
for (op=1; !IS_WHITE(buf[op+4]); op=op+1)
query[op] = buf[op+4]
query[op] = EOS
call sprintf (url, SZ_LINE, "http://%s%s")
call pargstr (addr)
call pargstr (query)
iferr {
call smark (sp)
call salloc (spfname, SZ_FNAME, TY_CHAR)
call malloc (inbuf, DEF_SZ_INBUF, TY_CHAR)
# Open the output spool file.
call mktemp ("query", Memc[spfname], SZ_FNAME)
if (url_get (url, Memc[spfname], inbuf) < 0)
call error (0, "Cannot access url")
fd = open (Memc[spfname], READ_ONLY, TEXT_FILE)
CQ_RFD(res) = open (Memc[spfname], READ_WRITE, SPOOL_FILE)
repeat {
call aclrc (Memc[inbuf], DEF_SZ_INBUF)
nchars = read (fd, Memc[inbuf], DEF_SZ_INBUF)
if (nchars > 0) {
Memc[inbuf+nchars] = EOS
call write (CQ_RFD(res), Memc[inbuf], nchars)
done = false
} else
done = true
} until (done)
call flush (CQ_RFD(res))
call close (fd)
CQ_RBUF(res) = fstati (CQ_RFD(res), F_BUFPTR)
call seek (CQ_RFD(res), BOF)
call mfree (inbuf, TY_CHAR)
call sfree (sp)
} then {
if (res != NULL)
call cq_rfree (res)
return (NULL)
}
} else {
# Open the network connection.
iferr (fd = ndopen (CQ_ADDRESS(cc), READ_WRITE))
return (NULL)
# Initialize the results structure.
res = cq_rinit (cq)
# Send the query and get back the results.
iferr {
call smark (sp)
# Formulate the query.
switch (CQ_RTYPE(res)) {
case CQ_STEXT, CQ_BTEXT:
call fprintf (fd, "%s")
call pargstr (CQ_RQUERY(res))
default:
nchars = strlen (CQ_RQUERY(res))
call write (fd, CQ_RQUERY(res), nchars)
}
call flush (fd)
# Open the output spool file.
call salloc (spfname, SZ_FNAME, TY_CHAR)
call mktemp ("query", Memc[spfname], SZ_FNAME)
CQ_RFD(res) = open (Memc[spfname], READ_WRITE, SPOOL_FILE)
call sfree (sp)
# Get the data.
call malloc (inbuf, DEF_SZ_INBUF, TY_CHAR)
call fseti (fd, F_CANCEL, OK)
switch (CQ_HFMT(cc)) {
case CQ_HNONE:
;
case CQ_HHTTP:
repeat {
nchars = getline (fd, Memc[inbuf])
if (nchars <= 0)
break
Memc[inbuf+nchars] = EOS
} until ((Memc[inbuf] == '\r' && Memc[inbuf+1] == '\n') ||
(Memc[inbuf] == '\n'))
default:
;
}
repeat {
nchars = read (fd, Memc[inbuf], DEF_SZ_INBUF)
if (nchars > 0) {
Memc[inbuf+nchars] = EOS
call write (CQ_RFD(res), Memc[inbuf], nchars)
done = false
} else {
done = true
}
} until (done)
# Cleanup.
call flush (CQ_RFD(res))
call mfree (inbuf, TY_CHAR)
CQ_RBUF(res) = fstati (CQ_RFD(res), F_BUFPTR)
call seek (CQ_RFD(res), BOF)
call close (fd)
} then {
call cq_rfree (res)
call close (fd)
return (NULL)
}
}
# Construct the record index.
CQ_RNRECS(res) = 0
switch (CQ_RTYPE(res)) {
case CQ_STEXT, CQ_BTEXT:
# Initialize.
nlines = 0
nrecs = 0
# Iniitialize the index array.
szindex = DEF_SZ_INDEX
call malloc (line, SZ_LINE, TY_CHAR)
call calloc (CQ_RINDEX(res), szindex, TY_LONG)
# Create the index array.
repeat {
Meml[CQ_RINDEX(res)+nrecs] = note (CQ_RFD(res))
nchars = getline (CQ_RFD(res), Memc[line])
if (nchars == EOF)
break
nlines = nlines + 1
if (nlines <= CQ_RHSKIP(res))
next
if (Memc[line] == '\n')
next
#if (CQ_RECSIZE(res) > 0 && nchars != CQ_RECSIZE(res))
if (CQ_RECSIZE(res) > 0 && nchars > CQ_RECSIZE(res))
Meml[CQ_RINDEX(res)+nrecs] = EOF
else if (CQ_RTRIML(res) > 0 || CQ_RTRIMR(res) > 0) {
inbuf = CQ_RBUF(res) + Meml[CQ_RINDEX(res)+nrecs] - 1
do j = 1, min (CQ_RTRIML(res), nchars)
Memc[inbuf+j-1] = ' '
do j = nchars - CQ_RTRIMR(res), nchars - 1
Memc[inbuf+j-1] = ' '
}
nrecs = nrecs + 1
if (nrecs >= szindex) {
szindex = szindex + DEF_SZ_INDEX
call realloc (CQ_RINDEX(res), szindex, TY_LONG)
call aclrl (Meml[CQ_RINDEX(res)+szindex-DEF_SZ_INDEX],
DEF_SZ_INDEX)
}
}
call mfree (line, TY_CHAR)
CQ_RNRECS(res) = nrecs
# Remove the incorrectly sized and trailing records.
nrecs = 0
do j = 0, CQ_RNRECS(res) - CQ_RTSKIP(res) - 1 {
if (Meml[CQ_RINDEX(res)+j] == EOF)
next
Meml[CQ_RINDEX(res)+nrecs] = Meml[CQ_RINDEX(res)+j]
nrecs = nrecs + 1
}
CQ_RNRECS(res) = nrecs
# Resize the index array.
call realloc (CQ_RINDEX(res), max (1, CQ_RNRECS(res) + 1), TY_LONG)
default:
;
}
# Return the results pointer.
return (res)
end
# CQ_FQUERY -- Treat a catalog file file as thought it were the results
# of a query. The catalog file file name and file description are passed
# to the routine as arguments.
pointer procedure cq_fquery (cq, catfile, catfmt)
pointer cq #I the catalog database descriptor
char catfile[ARB] #I the input catalog file
char catfmt[ARB] #I the input catalog description
pointer res, inbuf, line, sp, spfname
int j, fd, nchars, nlines, nrecs, szindex
bool done
pointer cq_frinit()
long note()
int access(), open(), read(), fstati(), getline()
errchk open(), read()
begin
# Check that the current catalog is defined.
if (CQ_CAT(cq) == NULL)
return (NULL)
if (CQ_CATNO(cq) < 1 || CQ_CATNO(cq) > CQ_NRECS(cq))
return (NULL)
# Check to see if the catalog file exists.
if (access (catfile, 0, 0) == NO)
return (NULL)
# Check to see if the fmt string is defined.
if (catfmt[1] == EOS)
return (NULL)
# Open the catalog file.
if (access (catfile, READ_ONLY, TEXT_FILE) == YES) {
iferr (fd = open (catfile, READ_ONLY, TEXT_FILE))
return (NULL)
} else {
iferr (fd = open (catfile, READ_ONLY, BINARY_FILE))
return (NULL)
}
# Initialize the results structure using the file description.
res = cq_frinit (cq, catfmt)
if (res == NULL)
return (NULL)
# Read in the results.
iferr {
# Open the output spool file.
call smark (sp)
call salloc (spfname, SZ_FNAME, TY_CHAR)
call mktemp ("query", Memc[spfname], SZ_FNAME)
#CQ_RFD(res) = open ("dev$null", READ_WRITE, SPOOL_FILE)
CQ_RFD(res) = open (Memc[spfname], READ_WRITE, SPOOL_FILE)
call sfree (sp)
# Get the data.
call malloc (inbuf, DEF_SZ_INBUF, TY_CHAR)
repeat {
nchars = read (fd, Memc[inbuf], DEF_SZ_INBUF)
if (nchars > 0) {
Memc[inbuf+nchars] = EOS
call write (CQ_RFD(res), Memc[inbuf], nchars)
done = false
} else {
done = true
}
} until (done)
# Cleanup.
call flush (CQ_RFD(res))
call mfree (inbuf, TY_CHAR)
CQ_RBUF(res) = fstati (CQ_RFD(res), F_BUFPTR)
call close (fd)
} then {
call cq_rfree (res)
call close (fd)
return (NULL)
}
# Construct the record index.
CQ_RNRECS(res) = 0
switch (CQ_RTYPE(res)) {
case CQ_STEXT, CQ_BTEXT:
# Initialize.
nlines = 0
nrecs = 0
# Iniitialize the index array.
szindex = DEF_SZ_INDEX
call malloc (line, SZ_LINE, TY_CHAR)
call calloc (CQ_RINDEX(res), szindex, TY_LONG)
# Create the index array.
call seek (CQ_RFD(res), BOF)
repeat {
Meml[CQ_RINDEX(res)+nrecs] = note (CQ_RFD(res))
nchars = getline (CQ_RFD(res), Memc[line])
if (nchars == EOF)
break
nlines = nlines + 1
if (nlines <= CQ_RHSKIP(res))
next
if (Memc[line] == '\n')
next
if (Memc[line] == '#')
next
#if (CQ_RECSIZE(res) > 0 && nchars != CQ_RECSIZE(res))
if (CQ_RECSIZE(res) > 0 && nchars > CQ_RECSIZE(res))
Meml[CQ_RINDEX(res)+nrecs] = EOF
else if (CQ_RTRIML(res) > 0 || CQ_RTRIMR(res) > 0) {
inbuf = CQ_RBUF(res) + Meml[CQ_RINDEX(res)+nrecs] - 1
do j = 1, min (CQ_RTRIML(res), nchars)
Memc[inbuf+j-1] = ' '
do j = nchars - CQ_RTRIMR(res), nchars - 1
Memc[inbuf+j-1] = ' '
}
nrecs = nrecs + 1
if (nrecs >= szindex) {
szindex = szindex + DEF_SZ_INDEX
call realloc (CQ_RINDEX(res), szindex, TY_LONG)
call aclrl (Meml[CQ_RINDEX(res)+szindex-DEF_SZ_INDEX],
DEF_SZ_INDEX)
}
}
call mfree (line, TY_CHAR)
CQ_RNRECS(res) = nrecs
# Check for and reject short records and trim trailing records.
nrecs = 0
do j = 0, CQ_RNRECS(res) - CQ_RTSKIP(res) - 1 {
if (Meml[CQ_RINDEX(res)+j] == EOF)
next
Meml[CQ_RINDEX(res)+nrecs] = Meml[CQ_RINDEX(res)+j]
nrecs = nrecs + 1
}
CQ_RNRECS(res) = nrecs
# Trim the trailing records.
call realloc (CQ_RINDEX(res), max (1, CQ_RNRECS(res) + 1), TY_LONG)
default:
;
}
return (res)
end
# CQ_RCLOSE -- Close the results structure,
procedure cq_rclose (res)
pointer res #U the results descriptor.
begin
call cq_rfree (res)
end
# CQ_RINIT -- Initialize a results descriptor.
pointer procedure cq_rinit (cq)
pointer cq #I the catalog descriptor
pointer cc, res, sp, query, value, kname, fname, funits, ffmt
int i, ncount, sz1, sz2, sz3, op1, op2, op3, foffset, fsize
char ftype
int cq_wrdstr(), strdic(), cq_dgeti(), cq_dscan(), nscan()
int cq_dtype(), strlen(), gstrcpy()
errchk cq_dgwrd(), cq_dgeti(), cq_dscan()
begin
# Check that the current catalog is defined.
if (CQ_CAT(cq) == NULL)
return (NULL)
if (CQ_CATNO(cq) < 1 || CQ_CATNO(cq) > CQ_NRECS(cq))
return (NULL)
cc = CQ_CAT(cq)
# Allocate the results structure.
call calloc (res, CQ_LEN_RES, TY_STRUCT)
# Format the query.
call smark (sp)
call salloc (query, SZ_LINE, TY_CHAR)
call salloc (value, CQ_SZ_QPVALUE, TY_CHAR)
call sprintf (Memc[query], SZ_LINE, CQ_QUERY(cc))
do i = 1, CQ_NQPARS(cc) {
if (cq_wrdstr (i, Memc[value], CQ_SZ_QPVALUE,
Memc[CQ_PQPVALUES(cc)]) <= 0)
next
call pargstr (Memc[value])
}
# Save the catalog informaton and query in the results structure.
call strcpy (CQ_CATDB(cq), CQ_RCATDB(res), SZ_FNAME)
call strcpy (CQ_CATNAME(cq), CQ_RCATNAME(res), SZ_FNAME)
call strcpy (CQ_ADDRESS(cc), CQ_RADDRESS(res), SZ_LINE)
call strcpy (Memc[query], CQ_RQUERY(res), SZ_LINE)
# Copy the query parameters to the results descriptor.
CQ_RNQPARS(res) = CQ_NQPARS(cc)
fsize = strlen (Memc[CQ_PQPNAMES(cc)])
call malloc (CQ_RQPNAMES(res), fsize, TY_CHAR)
call strcpy (Memc[CQ_PQPNAMES(cc)], Memc[CQ_RQPNAMES(res)], fsize)
fsize = strlen (Memc[CQ_PQPVALUES(cc)])
call malloc (CQ_RQPVALUES(res), fsize, TY_CHAR)
call strcpy (Memc[CQ_PQPVALUES(cc)], Memc[CQ_RQPVALUES(res)], fsize)
fsize = strlen (Memc[CQ_PQPUNITS(cc)])
call malloc (CQ_RQPUNITS(res), fsize, TY_CHAR)
call strcpy (Memc[CQ_PQPUNITS(cc)], Memc[CQ_RQPUNITS(res)], fsize)
# Get the input data type.
iferr {
call cq_dgwrd (cq, CQ_CATNO(cq), "type", Memc[value],
CQ_SZ_QPVALUE)
} then {
Memc[value] = EOS
CQ_RTYPE(res) = CQ_STEXT
} else {
CQ_RTYPE(res) = strdic (Memc[value], Memc[value], CQ_SZ_QPVALUE,
CQ_RTYPESTR)
}
# Get the number of leading and trailing records to be skipped.
iferr (CQ_RHSKIP(res) = cq_dgeti (cq, CQ_CATNO(cq), "hskip"))
CQ_RHSKIP(res) = 0
iferr (CQ_RTSKIP(res) = cq_dgeti (cq, CQ_CATNO(cq), "tskip"))
CQ_RTSKIP(res) = 0
# Get the record size and trimming parameters.
iferr (CQ_RECSIZE(res) = cq_dgeti (cq, CQ_CATNO(cq), "recsize"))
CQ_RECSIZE(res) = 0
iferr (CQ_RTRIML(res) = cq_dgeti (cq, CQ_CATNO(cq), "triml"))
CQ_RTRIML(res) = 0
iferr (CQ_RTRIMR(res) = cq_dgeti (cq, CQ_CATNO(cq), "trimr"))
CQ_RTRIMR(res) = 0
iferr (CQ_NHEADER(res) = cq_dgeti (cq, CQ_CATNO(cq), "nheader"))
CQ_NHEADER(res) = 0
# Get the header parameters.
call calloc (CQ_HKNAMES(res), SZ_LINE, TY_CHAR)
call calloc (CQ_HKVALUES(res), SZ_LINE, TY_CHAR)
ncount = 0
if (CQ_NHEADER(res) > 0) {
# Initialize the header parameter keywords and values.
sz1 = SZ_LINE; op1 = 2
sz2 = SZ_LINE; op2 = 2
call strcpy ("|", Memc[CQ_HKNAMES(res)], sz1)
call strcpy ("|", Memc[CQ_HKVALUES(res)], sz2)
call salloc (kname, CQ_SZ_FNAME, TY_CHAR)
do i = 1, CQ_NHEADER(res) {
# Get the keyword and value.
if (cq_dscan (cq) == EOF)
break
call gargwrd (Memc[kname], CQ_SZ_QPNAME)
call gargwrd (Memc[query], SZ_LINE)
if (nscan() != 2)
break
# Add the keyword name to the list.
if ((sz1 - op1 + 1) < (CQ_SZ_QPNAME + 1)) {
sz1 = sz1 + SZ_LINE
call realloc (CQ_HKNAMES(res), sz1, TY_CHAR)
}
op1 = op1 + gstrcpy (Memc[kname], Memc[CQ_HKNAMES(res)+op1-1],
sz1 - op1 + 1)
op1 = op1 + gstrcpy ("|", Memc[CQ_HKNAMES(res)+op1-1],
sz1 - op1 + 1)
# Add the keyword value to the list.
if ((sz2 - op2 + 1) < (CQ_SZ_QPVALUE + 1)) {
sz2 = sz2 + SZ_LINE
call realloc (CQ_HKVALUES(res), sz2, TY_CHAR)
}
op2 = op2 + gstrcpy (Memc[query], Memc[CQ_HKVALUES(res)+op2-1],
sz2 - op2 + 1)
op2 = op2 + gstrcpy ("|", Memc[CQ_HKVALUES(res)+op2-1],
sz2 - op2 + 1)
ncount = ncount + 1
}
}
# Resize the header keyword and value arrays.
if (ncount != CQ_NHEADER(res)) {
CQ_NHEADER(res) = 0
call realloc (CQ_HKNAMES(res), 1, TY_CHAR)
call realloc (CQ_HKVALUES(res), 1, TY_CHAR)
Memc[CQ_HKNAMES(res)] = EOS
Memc[CQ_HKVALUES(res)] = EOS
} else {
call realloc (CQ_HKNAMES(res), op1, TY_CHAR)
call realloc (CQ_HKVALUES(res), op2, TY_CHAR)
Memc[CQ_HKNAMES(res)+op1] = EOS
Memc[CQ_HKVALUES(res)+op2] = EOS
}
iferr (CQ_NFIELDS(res) = cq_dgeti (cq, CQ_CATNO(cq), "nfields"))
CQ_NFIELDS(res) = 0
# Allocate the field description arrays.
call calloc (CQ_FNAMES(res), SZ_LINE, TY_CHAR)
call calloc (CQ_FOFFSETS(res), CQ_NFIELDS(res), TY_INT)
call calloc (CQ_FSIZES(res), CQ_NFIELDS(res), TY_INT)
call calloc (CQ_FTYPES(res), CQ_NFIELDS(res), TY_INT)
call calloc (CQ_FUNITS(res), SZ_LINE, TY_CHAR)
call calloc (CQ_FFMTS(res), SZ_LINE, TY_CHAR)
# Get the field decoding parameters.
ncount = 0
if (CQ_NFIELDS(res) > 0) {
call salloc (fname, CQ_SZ_FNAME, TY_CHAR)
call salloc (funits, CQ_SZ_FUNITS, TY_CHAR)
call salloc (ffmt, CQ_SZ_FFMTS, TY_CHAR)
# Initialize the name, units, and format string dictionaries.
sz1 = SZ_LINE; op1 = 2
sz2 = SZ_LINE; op2 = 2
sz3 = SZ_LINE; op3 = 2
call strcpy ("|", Memc[CQ_FNAMES(res)], sz1)
call strcpy ("|", Memc[CQ_FUNITS(res)], sz2)
call strcpy ("|", Memc[CQ_FFMTS(res)], sz3)
do i =1, CQ_NFIELDS(res) {
# Get the field description.
if (cq_dscan (cq) == EOF)
break
call gargwrd (Memc[fname], CQ_SZ_FNAME)
call gargi (foffset)
call gargi (fsize)
call gargc (ftype)
call gargwrd (Memc[funits], CQ_SZ_FUNITS)
call gargwrd (Memc[ffmt], CQ_SZ_FFMTS)
if (nscan() != 6)
break
# Add the field name to the field name dictionary.
if ((sz1 - op1 + 1) < (CQ_SZ_FNAME + 1)) {
sz1 = sz1 + SZ_LINE
call realloc (CQ_FNAMES(res), sz1, TY_CHAR)
}
op1 = op1 + gstrcpy (Memc[fname], Memc[CQ_FNAMES(res)+op1-1],
sz1 - op1 + 1)
op1 = op1 + gstrcpy ("|", Memc[CQ_FNAMES(res)+op1-1],
sz1 - op1 + 1)
# Set the field offset, size, and type.
Memi[CQ_FOFFSETS(res)+i-1] = foffset
Memi[CQ_FTYPES(res)+i-1] = cq_dtype (ftype)
Memi[CQ_FSIZES(res)+i-1] = fsize
# Add the field units to the field units dictionary.
if ((sz2 - op2 + 1) < (CQ_SZ_FUNITS + 1)) {
sz2 = sz2 + SZ_LINE
call realloc (CQ_FUNITS(res), sz2, TY_CHAR)
}
op2 = op2 + gstrcpy (Memc[funits], Memc[CQ_FUNITS(res)+op2-1],
sz2 - op2 + 1)
op2 = op2 + gstrcpy ("|", Memc[CQ_FUNITS(res)+op2-1],
sz2 - op2 + 1)
# Add the field format to the field format dictionary.
if ((sz3 - op3 + 1) < (CQ_SZ_FFMTS + 1)) {
sz3 = sz3 + SZ_LINE
call realloc (CQ_FFMTS(res), sz3, TY_CHAR)
}
op3 = op3 + gstrcpy (Memc[ffmt], Memc[CQ_FFMTS(res)+op3-1],
sz3 - op3 + 1)
op3 = op3 + gstrcpy ("|", Memc[CQ_FFMTS(res)+op3-1],
sz3 - op3 + 1)
ncount = ncount + 1
}
}
# Adjust the field description size.
if (ncount != CQ_NFIELDS(res)) {
CQ_NFIELDS(res) = 0
call realloc (CQ_FNAMES(res), 1, TY_CHAR)
Memc[CQ_FNAMES(res)] = EOS
call mfree (CQ_FOFFSETS(res), TY_INT); CQ_FOFFSETS(res) = NULL
call mfree (CQ_FSIZES(res), TY_INT); CQ_FSIZES(res) = NULL
call mfree (CQ_FTYPES(res), TY_INT); CQ_FTYPES(res) = NULL
call realloc (CQ_FUNITS(res), 1, TY_CHAR)
Memc[CQ_FUNITS(res)] = EOS
call realloc (CQ_FFMTS(res), 1, TY_CHAR)
Memc[CQ_FFMTS(res)] = EOS
} else {
call realloc (CQ_FNAMES(res), op1, TY_CHAR)
call realloc (CQ_FUNITS(res), op2, TY_CHAR)
call realloc (CQ_FFMTS(res), op3, TY_CHAR)
Memc[CQ_FNAMES(res)+op1] = EOS
Memc[CQ_FUNITS(res)+op2] = EOS
Memc[CQ_FFMTS(res)+op3] = EOS
}
# Allocate space for the simple text field indices array.
call calloc (CQ_FINDICES(res), CQ_MAX_NFIELDS + 1, TY_INT)
# Initilize the records descriptor.
CQ_RFD(res) = NULL
call sfree (sp)
return (res)
end
# Temporary definitions to get stuff working. Move into header file at some
# point ?
define DIC_FNAMES "|type|hskip|tskip|recsize|triml|trimr|nheader|nfields|"
define DIC_TYPE 1
define DIC_HSKIP 2
define DIC_TSKIP 3
define DIC_RECORD 4
define DIC_TRIML 5
define DIC_TRIMR 6
define DIC_NHEADER 7
define DIC_NFIELDS 8
# CQ_FRINIT -- Initialize a results descriptor from a file description.
pointer procedure cq_frinit (cq, catfmt)
pointer cq #I Initialize the results structure.
char catfmt[ARB] #I the catalog format desciption
pointer res, sp, fname, funits, ffmt, fvalue
int i, ncount, sz1, sz2, sz3, op1, op2, op3, fd, foffset, fsize
int fscan(), nscan(), strdic(), strlen(), cq_dtype(), gstrcpy()
char ftype
int stropen()
begin
# Check that the current catalog is defined.
if (CQ_CAT(cq) == NULL)
return (NULL)
if (CQ_CATNO(cq) < 1 || CQ_CATNO(cq) > CQ_NRECS(cq))
return (NULL)
# Allocate the structure.
call calloc (res, CQ_LEN_RES, TY_STRUCT)
# Format the catalog information, the address, query, and query
# parameters.
call strcpy (CQ_CATDB(cq), CQ_RCATDB(res), SZ_LINE)
call strcpy (CQ_CATNAME(cq), CQ_RCATNAME(res), SZ_LINE)
call strcpy ("", CQ_RADDRESS(res), SZ_LINE)
call strcpy ("", CQ_RQUERY(res), SZ_LINE)
CQ_RNQPARS(res) = 0
call malloc (CQ_RQPNAMES(res), 1, TY_CHAR)
call malloc (CQ_RQPVALUES(res), 1, TY_CHAR)
call malloc (CQ_RQPUNITS(res), 1, TY_CHAR)
Memc[CQ_RQPNAMES(res)] = EOS
Memc[CQ_RQPVALUES(res)] = EOS
Memc[CQ_RQPUNITS(res)] = EOS
# Set default file formats.
CQ_RTYPE(res) = CQ_STEXT
CQ_RHSKIP(res) = 0
CQ_RTSKIP(res) = 0
CQ_RECSIZE(res) = 0
CQ_RTRIML(res) = 0
CQ_RTRIMR(res) = 0
CQ_NFIELDS(res) = 0
call smark(sp)
call salloc (fname, CQ_SZ_FNAME, TY_CHAR)
call salloc (funits, CQ_SZ_FUNITS, TY_CHAR)
call salloc (ffmt, CQ_SZ_FFMTS, TY_CHAR)
call salloc (fvalue, SZ_LINE, TY_CHAR)
# Read in the defined file formats.
fd = stropen (catfmt, strlen (catfmt), READ_ONLY)
while (fscan (fd) != EOF) {
# Get the field name.
call gargwrd (Memc[fname], CQ_SZ_FNAME)
if (nscan () < 1 || Memc[fname] == EOS)
next
i = strdic (Memc[fname], Memc[fname], CQ_SZ_FNAME, DIC_FNAMES)
# Decode the field.
switch (i) {
case DIC_TYPE:
call gargwrd (Memc[fname], CQ_SZ_FNAME)
if (nscan () < 2 || Memc[fname] == EOS)
CQ_RTYPE(res) = CQ_STEXT
else
CQ_RTYPE(res) = strdic (Memc[fname], Memc[fname],
CQ_SZ_FNAME, CQ_RTYPESTR)
case DIC_HSKIP:
call gargi (CQ_RHSKIP(res))
if (nscan() < 2)
CQ_RHSKIP(res) = 0
case DIC_TSKIP:
call gargi (CQ_RTSKIP(res))
if (nscan() < 2)
CQ_RTSKIP(res) = 0
case DIC_RECORD:
call gargi (CQ_RECSIZE(res))
if (nscan() < 2)
CQ_RECSIZE(res) = 0
case DIC_TRIML:
call gargi (CQ_RTRIML(res))
if (nscan() < 2)
CQ_RTRIML(res) = 0
case DIC_TRIMR:
call gargi (CQ_RTRIMR(res))
if (nscan() < 2)
CQ_RTRIMR(res) = 0
case DIC_NHEADER:
call gargi (CQ_NHEADER(res))
if (nscan() < 2)
CQ_NHEADER(res) = 0
call calloc (CQ_HKNAMES(res), SZ_LINE, TY_CHAR)
call calloc (CQ_HKVALUES(res), SZ_LINE, TY_CHAR)
ncount = 0
if (CQ_NHEADER(res) > 0) {
# Initialize the header name and value dictionaries.
sz1 = SZ_LINE; op1 = 2
sz2 = SZ_LINE; op2 = 2
call strcpy ("|", Memc[CQ_HKNAMES(res)], sz1)
call strcpy ("|", Memc[CQ_HKVALUES(res)], sz2)
do i = 1, CQ_NHEADER(res) {
# Get the keyword name and value.
if (fscan (fd) == EOF)
break
call gargwrd (Memc[fname], CQ_SZ_QPNAME)
call gargwrd (Memc[fvalue], SZ_LINE)
if (nscan() != 2)
break
# Add the keyword name to the keyword dictionary.
if ((sz1 - op1 + 1) < (CQ_SZ_QPNAME + 1)) {
sz1 = sz1 + SZ_LINE
call realloc (CQ_HKNAMES(res), sz1, TY_CHAR)
}
op1 = op1 + gstrcpy (Memc[fname], Memc[CQ_HKNAMES(res)+
op1-1], sz1 - op1 + 1)
op1 = op1 + gstrcpy ("|", Memc[CQ_HKNAMES(res)+op1-1],
sz1 - op1 + 1)
# Add the keyword value to the keyword value dictionary.
if ((sz2 - op2 + 1) < (CQ_SZ_QPVALUE + 1)) {
sz2 = sz2 + SZ_LINE
call realloc (CQ_HKVALUES(res), sz2, TY_CHAR)
}
op2 = op2 + gstrcpy (Memc[fvalue],
Memc[CQ_HKVALUES(res)+ op2-1], sz2 - op2 + 1)
op2 = op2 + gstrcpy ("|", Memc[CQ_HKVALUES(res)+op2-1],
sz2 - op2 + 1)
ncount = ncount + 1
}
}
# Addjust the keyword dictionary sizes.
if (ncount != CQ_NHEADER(res)) {
CQ_NHEADER(res) = 0
call realloc (CQ_HKNAMES(res), 1, TY_CHAR)
call realloc (CQ_HKVALUES(res), 1, TY_CHAR)
Memc[CQ_HKNAMES(res)] = EOS
Memc[CQ_HKVALUES(res)] = EOS
} else {
call realloc (CQ_HKNAMES(res), op1, TY_CHAR)
call realloc (CQ_HKVALUES(res), op2, TY_CHAR)
Memc[CQ_HKNAMES(res)+op1] = EOS
Memc[CQ_HKVALUES(res)+op2] = EOS
}
case DIC_NFIELDS:
call gargi (CQ_NFIELDS(res))
if (nscan() < 2)
CQ_NFIELDS(res) = 0
# Allocate space for the field descriptors.
call calloc (CQ_FNAMES(res), SZ_LINE, TY_CHAR)
call calloc (CQ_FOFFSETS(res), CQ_NFIELDS(res), TY_INT)
call calloc (CQ_FSIZES(res), CQ_NFIELDS(res), TY_INT)
call calloc (CQ_FTYPES(res), CQ_NFIELDS(res), TY_INT)
call calloc (CQ_FUNITS(res), SZ_LINE, TY_CHAR)
call calloc (CQ_FFMTS(res), SZ_LINE, TY_CHAR)
ncount = 0
if (CQ_NFIELDS(res) > 0) {
sz1 = SZ_LINE; op1 = 2
sz2 = SZ_LINE; op2 = 2
sz3 = SZ_LINE; op3 = 2
call strcpy ("|", Memc[CQ_FNAMES(res)], sz1)
call strcpy ("|", Memc[CQ_FUNITS(res)], sz2)
call strcpy ("|", Memc[CQ_FFMTS(res)], sz3)
do i = 1, CQ_NFIELDS(res) {
# Get the field description.
if (fscan (fd) == EOF)
break
call gargwrd (Memc[fname], CQ_SZ_FNAME)
call gargi (foffset)
call gargi (fsize)
call gargc (ftype)
call gargwrd (Memc[funits], CQ_SZ_FUNITS)
call gargwrd (Memc[ffmt], CQ_SZ_FFMTS)
if (nscan() != 6)
break
# Add the field name to the field name dictionary.
if ((sz1 - op1 + 1) < (CQ_SZ_FNAME + 1)) {
sz1 = sz1 + SZ_LINE
call realloc (CQ_FNAMES(res), sz1, TY_CHAR)
}
op1 = op1 + gstrcpy (Memc[fname], Memc[CQ_FNAMES(res)+
op1-1], sz1 - op1 + 1)
op1 = op1 + gstrcpy ("|", Memc[CQ_FNAMES(res)+op1-1],
sz1 - op1 + 1)
Memi[CQ_FOFFSETS(res)+i-1] = foffset
Memi[CQ_FTYPES(res)+i-1] = cq_dtype (ftype)
Memi[CQ_FSIZES(res)+i-1] = fsize
# Add the field units to the field units dictionary.
if ((sz2 - op2 + 1) < (CQ_SZ_FUNITS + 1)) {
sz2 = sz2 + SZ_LINE
call realloc (CQ_FUNITS(res), sz2, TY_CHAR)
}
op2 = op2 + gstrcpy (Memc[funits],
Memc[CQ_FUNITS(res)+ op2-1], sz2 - op2 + 1)
op2 = op2 + gstrcpy ("|", Memc[CQ_FUNITS(res)+op2-1],
sz2 - op2 + 1)
# Add the field format to the field formats dictionary.
if ((sz3 - op3 + 1) < (CQ_SZ_FFMTS + 1)) {
sz3 = sz3 + SZ_LINE
call realloc (CQ_FFMTS(res), sz3, TY_CHAR)
}
op3 = op3 + gstrcpy (Memc[ffmt],
Memc[CQ_FFMTS(res)+ op3 -1], sz3 - op3 + 1)
op3 = op3 + gstrcpy ("|", Memc[CQ_FFMTS(res)+op3-1],
sz3 - op3 + 1)
ncount = ncount + 1
}
}
if (ncount != CQ_NFIELDS(res)) {
CQ_NFIELDS(res) = 0
call realloc (CQ_FNAMES(res), 1, TY_CHAR)
Memc[CQ_FNAMES(res]) = EOS
call mfree (CQ_FOFFSETS(res), TY_INT)
CQ_FOFFSETS(res) = NULL
call mfree (CQ_FSIZES(res), TY_INT)
CQ_FSIZES(res) = NULL
call mfree (CQ_FTYPES(res), TY_INT)
CQ_FTYPES(res) = NULL
call realloc (CQ_FUNITS(res), 1, TY_CHAR)
Memc[CQ_FUNITS(res)] = EOS
call realloc (CQ_FFMTS(res), 1, TY_CHAR)
Memc[CQ_FFMTS(res)] = EOS
} else {
call realloc (CQ_FNAMES(res), op1, TY_CHAR)
call realloc (CQ_FUNITS(res), op2, TY_CHAR)
call realloc (CQ_FFMTS(res), op3, TY_CHAR)
Memc[CQ_FNAMES(res]+op1) = EOS
Memc[CQ_FUNITS(res)+op2] = EOS
Memc[CQ_FFMTS(res)+op3] = EOS
}
default:
;
}
}
call close (fd)
call sfree (sp)
# Allocate space for the field indices array.
call calloc (CQ_FINDICES(res), CQ_MAX_NFIELDS + 1, TY_INT)
# Initilize the records descriptor.
CQ_RFD(res) = NULL
return (res)
end
# CQ_RFREE -- Free the results structure.
procedure cq_rfree (res)
pointer res #U the results descriptor.
begin
# Free the query parameter names, values, and units.
if (CQ_RQPNAMES(res) != NULL)
call mfree (CQ_RQPNAMES(res), TY_CHAR)
if (CQ_RQPVALUES(res) != NULL)
call mfree (CQ_RQPVALUES(res), TY_CHAR)
if (CQ_RQPUNITS(res) != NULL)
call mfree (CQ_RQPUNITS(res), TY_CHAR)
# Free the header names and values.
if (CQ_HKNAMES(res) != NULL)
call mfree (CQ_HKNAMES(res), TY_CHAR)
if (CQ_HKVALUES(res) != NULL)
call mfree (CQ_HKVALUES(res), TY_CHAR)
# Free the field offsets, sizes, and types.
if (CQ_FNAMES(res) != NULL)
call mfree (CQ_FNAMES(res), TY_CHAR)
if (CQ_FOFFSETS(res) != NULL)
call mfree (CQ_FOFFSETS(res), TY_INT)
if (CQ_FSIZES(res) != NULL)
call mfree (CQ_FSIZES(res), TY_INT)
if (CQ_FTYPES(res) != NULL)
call mfree (CQ_FTYPES(res), TY_INT)
if (CQ_FUNITS(res) != NULL)
call mfree (CQ_FUNITS(res), TY_CHAR)
if (CQ_FFMTS(res) != NULL)
call mfree (CQ_FFMTS(res), TY_CHAR)
# Free the record description.
if (CQ_FINDICES(res) != NULL)
call mfree (CQ_FINDICES(res), TY_INT)
# Free the record buffer.
if (CQ_RINDEX(res) != NULL)
call mfree (CQ_RINDEX(res), TY_LONG)
if (CQ_RFD(res) != NULL)
call close (CQ_RFD(res))
if (res != NULL)
call mfree (res, TY_STRUCT)
end
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