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# Copyright(c) 1986 Association of Universities for Research in Astronomy Inc.
include "../lib/ids.h"
include <ctype.h>
# CVPARSE -- parsing routines for the cv package
# CV_FRAME -- parse a frame specification
procedure cv_frame(str, result)
char str[ARB] # input string
short result[ARB] # result string
int ip
int op
int i
int used[IDS_MAXIMPL]
int gused
include "cv.com"
begin
if (str[1] == 'a') {
result[1] = IDS_EOD
return
}
call aclrs(used,IDS_MAXIMPL)
gused = 0
op = 1
for (ip = 1; str[ip] != EOS; ip = ip + 1) {
if (!IS_DIGIT(str[ip])) {
if (str[ip] == 'g')
gused = 1
else {
call eprintf("unknown frame specifier: %c\n")
call pargc(str[ip])
}
next
}
i = TO_INTEG (str[ip]) # fail if > than 9 planes! use ctoi()
if ((i < 1) || (i > cv_maxframes) ) {
call eprintf ("out of bounds frame: %d\n")
call pargi(i)
next
} else
used[i] = 1
}
do i= 1,IDS_MAXIMPL
if (used[i] != 0) {
result[op] = i
op = op + 1
}
if (gused != 0) {
result[op] = cv_grch
op = op + 1
}
if (op > 1)
result[op] = IDS_EOD
else
result[op] = ERR
end
# CV_COLOR -- parse a color specification
procedure cv_color(str, result)
char str[ARB] # input string
short result[ARB] # result string
int ip
int op
int i
short val
short used[IDS_MAXGCOLOR+1]
include "cv.com"
begin
if (str[1] == 'a') {
result[1] = IDS_EOD
return
}
call aclrs (used, IDS_MAXGCOLOR+1)
op = 1
for (ip = 1; str[ip] != EOS; ip = ip + 1) {
switch (str[ip]) {
case 'r':
val = IDS_RED
case 'g':
val = IDS_GREEN
case 'b':
val = IDS_BLUE
case 'y':
val = IDS_YELLOW
case 'w':
val = IDS_WHITE
case 'p':
val = IDS_RDBL
case 'm':
val = IDS_GRBL
default:
call eprintf("unknown color: %c\n")
call pargc(str[ip])
next
}
used[val] = 1
}
do i = 1, IDS_MAXGCOLOR+1
if (used[i] != 0) {
result[op] = i
op = op + 1
}
if (op > 1)
result[op] = IDS_EOD
else
result[op] = ERR
end
# CV_QUAD -- parse a quad specification
procedure cv_quad(str, result)
char str[ARB] # input string
short result[ARB] # result string
int ip
int op
int i
short used[4]
include "cv.com"
begin
if (str[1] == 'a') {
result[1] = IDS_EOD
return
}
call aclrs(used, 4)
op = 1
for (ip = 1; str[ip] != EOS; ip = ip + 1) {
if (!IS_DIGIT(str[ip])) {
switch(str[ip]) {
case 'a':
call amovks (1, used, 4)
case 't':
used[1] = 1
used[2] = 1
case 'b':
used[3] = 1
used[4] = 1
case 'l':
used[2] = 1
used[3] = 1
case 'r':
used[1] = 1
used[4] = 1
default:
call eprintf("unknown quad specifier: %c\n")
call pargc(str[ip])
}
} else {
i = TO_INTEG (str[ip])
if ((i < 1) || (i > 4)) {
call eprintf ("out of bounds quad: %d\n")
call pargi(i)
next
} else
used[i] = 1
}
}
do i = 1,4 {
if (used[i] != 0) {
result[op] = i
op = op + 1
}
}
if (op > 1)
result[op] = IDS_EOD
else
result[op] = ERR
end
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