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include <ctype.h>
$for (r)
# LI_FIND_FIELDS -- This procedure finds the starting column for each field
# in the input line. These column numbers are returned in the array
# field_pos; the number of fields is also returned.
procedure li_find_fields (linebuf, field_pos, max_fields, nfields)
char linebuf[ARB] #I the input buffer
int field_pos[max_fields] #O the output field positions
int max_fields #I the maximum number of fields
int nfields #O the computed number of fields
bool in_field
int ip, field_num
begin
field_num = 1
field_pos[1] = 1
in_field = false
for (ip=1; linebuf[ip] != '\n' && linebuf[ip] != EOS; ip=ip+1) {
if (! IS_WHITE(linebuf[ip]))
in_field = true
else if (in_field) {
in_field = false
field_num = field_num + 1
field_pos[field_num] = ip
}
}
field_pos[field_num+1] = ip
nfields = field_num
end
# LI_CAPPEND_LINE -- Fields are copied from the input buffer to the
# output buffer.
procedure li_cappend_line (inbuf, outbuf, maxch, xoffset, yoffset,
xwidth, ywidth)
char inbuf[ARB] #I the input string buffer
char outbuf[maxch] #O the output string buffer
int maxch #I the maximum size of the output buffer
int xoffset #I the offset to the x field
int yoffset #I the offset to the y field
int xwidth #I the width of the x field
int ywidth #I the width of the y field
int ip, op
int gstrcpy()
begin
# Copy the input buffer into the output buffer minus the newline.
op = 1
for (ip = 1; ip <= maxch; ip = ip + 1) {
if (inbuf[ip] == '\n' || inbuf[ip] == EOS)
break
outbuf[op] = inbuf[ip]
op = op + 1
}
# Add a blank.
if (op <= maxch) {
outbuf[op] = ' '
op = op + 1
}
# Copy the two fields.
op = op + gstrcpy (inbuf[xoffset], outbuf[op], min (maxch - op + 1,
xwidth))
op = op + gstrcpy (inbuf[yoffset], outbuf[op], min (maxch - op + 1,
ywidth))
# Add a newline.
if (op <= maxch) {
outbuf[op] = '\n'
op = op + 1
}
outbuf[op] = EOS
end
$endfor
$for (rd)
# LT_GET_NUM -- The field entry is converted from character to real or double
# in preparation for the transformation. The number of significant
# digits is counted and returned as an argument; the number of chars in
# the number is returned as the function value.
int procedure li_get_num$t (linebuf, fval, nsdig)
char linebuf[ARB] #I the input line buffer
PIXEL fval #O the output floating point value
int nsdig #O the number of significant digits
char ch
int nchar, ip
int cto$t(), stridx()
begin
ip = 1
nsdig = 0
nchar = cto$t (linebuf, ip, fval)
if (nchar == 0 || fval == $INDEF$T)
return (nchar)
# Skip leading white space.
ip = 1
repeat {
ch = linebuf[ip]
if (! IS_WHITE(ch))
break
ip = ip + 1
}
# Count signifigant digits
for (; ! IS_WHITE(ch) && ch != '\n' && ch != EOS; ch=linebuf[ip]) {
if (stridx (ch, "eEdD") > 0)
break
if (IS_DIGIT (ch))
nsdig = nsdig + 1
ip = ip + 1
}
return (nchar)
end
# LI_PACK_LINE -- Fields are packed into the outbuf buffer. Transformed
# fields are converted to strings; other fields are copied from
# the input line to output buffer.
procedure li_pack_line$t (inbuf, outbuf, maxch, field_pos, nfields,
xfield, yfield, xt, yt, xformat, yformat, nsdig_x, nsdig_y,
min_sigdigits)
char inbuf[ARB] #I the input string buffer
char outbuf[maxch] #O the output string buffer
int maxch #I the maximum size of the output buffer
int field_pos[ARB] #I starting positions for the fields
int nfields #I the number of fields
int xfield #I the field number of the x coordinate column
int yfield #I the field number of the y coordinate column
PIXEL xt #I the transformed x coordinate
PIXEL yt #I the transformed y coordinate
char xformat[ARB] #I the output format for the x column
char yformat[ARB] #I the output format for the y column
int nsdig_x #I the number of significant digits in x
int nsdig_y #I the number of significant digits in y
int min_sigdigits #I the minimum number of significant digits
int num_field, width, op
pointer sp, field
int gstrcpy()
begin
call smark (sp)
call salloc (field, SZ_LINE, TY_CHAR)
# Initialize output pointer.
op = 1
do num_field = 1, nfields {
width = field_pos[num_field + 1] - field_pos[num_field]
if (num_field == xfield) {
call li_format_field$t (xt, Memc[field], maxch, xformat,
nsdig_x, width, min_sigdigits)
} else if (num_field == yfield) {
call li_format_field$t (yt, Memc[field], maxch, yformat,
nsdig_y, width, min_sigdigits)
} else {
# Put "width" characters from inbuf into field
call strcpy (inbuf[field_pos[num_field]], Memc[field], width)
}
# Fields must be delimited by at least one blank.
if (num_field > 1 && !IS_WHITE (Memc[field])) {
outbuf[op] = ' '
op = op + 1
}
# Copy "field" to output buffer.
op = op + gstrcpy (Memc[field], outbuf[op], maxch)
}
outbuf[op] = '\n'
outbuf[op+1] = EOS
call sfree (sp)
end
# LI_APPEND_LINE -- Fields are appened to the input buffer. Transformed
# fields are converted to strings and added to the end of the input buffer.
procedure li_append_line$t (inbuf, outbuf, maxch, xt, yt, xformat, yformat,
nsdig_x, nsdig_y, min_sigdigits)
char inbuf[ARB] #I the input string buffer
char outbuf[maxch] #O the output string buffer
int maxch #I the maximum size of the output buffer
PIXEL xt #I the transformed x coordinate
PIXEL yt #I the transformed y coordinate
char xformat[ARB] #I the output format for the x column
char yformat[ARB] #I the output format for the y column
int nsdig_x #I the number of significant digits in x
int nsdig_y #I the number of significant digits in y
int min_sigdigits #I the minimum number of significant digits
int ip, op
pointer sp, field
int gstrcpy()
begin
# Allocate some working space.
call smark (sp)
call salloc (field, SZ_LINE, TY_CHAR)
# Copy the input buffer into the output buffer minus the newline.
op = 1
for (ip = 1; ip <= maxch; ip = ip + 1) {
if (inbuf[ip] == '\n' || inbuf[ip] == EOS)
break
outbuf[op] = inbuf[ip]
op = op + 1
}
# Add two blanks.
op = op + gstrcpy (" ", outbuf[op], maxch - op + 1)
# Format and add the the two extra fields with a blank between.
call li_format_field$t (xt, Memc[field], SZ_LINE, xformat,
nsdig_x, 0, min_sigdigits)
op = op + gstrcpy (Memc[field], outbuf[op], maxch - op + 1)
if (op <= maxch) {
outbuf[op] = ' '
op = op + 1
}
call li_format_field$t (yt, Memc[field], SZ_LINE, yformat,
nsdig_y, 0, min_sigdigits)
op = op + gstrcpy (Memc[field], outbuf[op], maxch - op + 1)
# Add a newline.
if (op <= maxch) {
outbuf[op] = '\n'
op = op + 1
}
outbuf[op] = EOS
call sfree (sp)
end
# LI_FORMAT_FIELD -- A transformed coordinate is written into a string
# buffer. The output field is of (at least) the same width and significance
# as the input list entry.
procedure li_format_field$t (fval, wordbuf, maxch, format, nsdig, width,
min_sigdigits)
PIXEL fval #I the input value to be formatted
char wordbuf[maxch] #O the output formatted string
int maxch #I the maximum length of the output string
char format[ARB] #I the output format
int nsdig #I the number of sig-digits in current value
int width #I the width of the curent field
int min_sigdigits #I the minimum number of significant digits
int fdigits, fwidth
begin
if (format[1] == EOS) {
fdigits = max (min_sigdigits, nsdig)
fwidth = max (width, fdigits + 1)
call sprintf (wordbuf, maxch, "%*.*g")
call pargi (fwidth)
call pargi (fdigits)
call parg$t (fval)
} else {
call sprintf (wordbuf, maxch, format)
call parg$t (fval)
}
end
# LI_NPACK_LINE -- Fields are packed into the outbuf buffer. Transformed
# fields are converted to strings; other fields are copied from
# the input line to output buffer.
procedure li_npack_line$t (inbuf, outbuf, maxch, field_pos, nfields,
vfields, values, nsdigits, nvalues, vformats, sz_fmt, min_sigdigits)
char inbuf[ARB] #I the input string buffer
char outbuf[maxch] #O the output string buffer
int maxch #I the maximum size of the output buffer
int field_pos[ARB] #I starting positions for the fields
int nfields #I the number of fields
int vfields[ARB] #I the fields to be formatted
PIXEL values[ARB] #I the field values to be formatted
int nsdigits[ARB] #I the number of field significant digits
int nvalues #I the number of fields to be formatted
char vformats[sz_fmt,ARB] #I the field formats
int sz_fmt #I the size of the format string
int min_sigdigits #I the minimum number of significant digits
bool found
int op, num_field, num_var, width
pointer sp, field
int gstrcpy()
begin
call smark (sp)
call salloc (field, SZ_LINE, TY_CHAR)
# Initialize output pointer.
op = 1
do num_field = 1, nfields {
width = field_pos[num_field + 1] - field_pos[num_field]
found = false
do num_var = 1, nvalues {
if (num_field == vfields[num_var]) {
found = true
break
}
}
if (found) {
call li_format_field$t (values[num_var], Memc[field],
maxch, vformats[1,num_var], nsdigits[num_var], width,
min_sigdigits)
} else {
# Put "width" characters from inbuf into field
call strcpy (inbuf[field_pos[num_field]], Memc[field], width)
}
# Fields must be delimited by at least one blank.
if (num_field > 1 && !IS_WHITE (Memc[field])) {
outbuf[op] = ' '
op = op + 1
}
# Copy "field" to output buffer.
op = op + gstrcpy (Memc[field], outbuf[op], maxch)
}
outbuf[op] = '\n'
outbuf[op+1] = EOS
call sfree (sp)
end
# LI_NAPPEND_LINE -- Fields are appened to the input buffer. Transformed
# fields are converted to strings and added to the end of the input buffer.
procedure li_nappend_line$t (inbuf, outbuf, maxch, field_pos, nfields,
vfields, values, nsdigits, nvalues, vformats, sz_fmt, min_sigdigits)
char inbuf[ARB] #I the input string buffer
char outbuf[maxch] #O the output string buffer
int maxch #I the maximum size of the output buffer
int field_pos[ARB] #I starting positions for the fields
int nfields #I the number of fields
int vfields[ARB] #I the fields to be formatted
PIXEL values[ARB] #I the field values to be formatted
int nsdigits[ARB] #I the number of field significant digits
int nvalues #I the number of fields to be formatted
char vformats[sz_fmt,ARB] #I the field formats
int sz_fmt #I the size of the format string
int min_sigdigits #I the minimum number of significant digits
int num_var, ip, op, index
pointer sp, field, nvfields
int gstrcpy()
begin
# Allocate some working space.
call smark (sp)
call salloc (field, SZ_LINE, TY_CHAR)
call salloc (nvfields, nvalues, TY_INT)
do num_var = 1, nvalues
Memi[nvfields+num_var-1] = num_var
call rg_qsorti (vfields, Memi[nvfields], Memi[nvfields], nvalues)
# Copy the input buffer into the output buffer minus the newline.
op = 1
for (ip = 1; ip <= maxch; ip = ip + 1) {
if (inbuf[ip] == '\n' || inbuf[ip] == EOS)
break
outbuf[op] = inbuf[ip]
op = op + 1
}
# Add two blanks.
op = op + gstrcpy (" ", outbuf[op], maxch - op + 1)
do num_var = 1, nvalues {
index = Memi[nvfields+num_var-1]
call li_format_field$t (values[index], Memc[field], SZ_LINE,
vformats[sz_fmt,index], nsdigits[index], 0, min_sigdigits)
op = op + gstrcpy (Memc[field], outbuf[op], maxch - op + 1)
if (num_var == nvalues) {
if (op <= maxch) {
outbuf[op] = '\n'
op = op + 1
}
} else {
if (op <= maxch) {
outbuf[op] = ' '
op = op + 1
}
}
}
outbuf[op] = EOS
call sfree (sp)
end
$endfor
|
