gtk/examples/extract.awk
BST 1998 Tony Gale 68935c790b New files to automagically extract code examples from the tutorial.
Thu Jun  4 12:12:11 BST 1998  Tony Gale  <gale@gtk.org>

        * examples/extract.sh, examples/extract.awk:
          New files to automagically extract code examples from the
          tutorial.
1998-06-04 11:15:55 +00:00

58 lines
1.4 KiB
Awk

# extract - extract C source files from GTK Tutorial
# Copyright (C) Tony Gale 1998
# Contact: gale@gtk.org
#
# Command Switches:
# -c : Just do checking rather than output files
# -f <filename> : Extract a specific file
# -d : Extract files to current directory
BEGIN {in_example=0; check=0; spec_example=""; do_output=0; flatten=0
for (i=0 ; i < ARGC ; i++) {
if ( ARGV[i] == "-c" ) {
check = 1;
ARGV[i]="";
} else if ( ARGV[i] == "-f" ) {
spec_example=ARGV[i+1];
ARGV[i]="";
ARGV[i+1]="";
if ( length(spec_example) == 0 ) {
print "usage: -f <filename>";
exit;
}
} else if ( ARGV[i] == "-d" ) {
flatten = 1;
ARGV[i]="";
}
}
}
$2 == "example-start" && in_example == 1 { printf("\nERROR: nested example at line %d\n", NR) > "/dev/stderr";
exit}
$2 == "example-start" { in_example=1 }
$2 == "example-start" && check == 0 \
{ if ( (spec_example == "") || (spec_example == $4) ) {
if ( flatten == 0 ) {
file_name = sprintf("%s/%s",$3, $4);
command = sprintf("mkdir -p %s", $3);
system(command);
} else {
file_name = $4;
}
do_output=1;
}
}
in_example==1 && check==0 && do_output==1 { gsub(/&amp;/, "\\&", $0);
print $0 >file_name }
$2 == "example-end" && in_example == 0 { printf("\nERROR: multiple ends at line %d\n", NR) > "/dev/stderr";
exit}
$2 == "example-end" { in_example=0; do_output=0 }
END {}