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###########################################################
### SMB Build System ###
### - config.mk parsing functions ###
### ###
### Copyright (C) Stefan (metze) Metzmacher 2004 ###
### Released under the GNU GPL ###
###########################################################
package config_mk;
use smb_build::input;
use strict;
my %attribute_types = (
"NOPROTO" => "bool",
"REQUIRED_SUBSYSTEMS" => "list",
"OUTPUT_TYPE" => "string",
"INIT_OBJ_FILES" => "list",
"ADD_OBJ_FILES" => "list",
"OBJ_FILES" => "list",
"SUBSYSTEM" => "string",
"CFLAGS" => "list",
"CPPFLAGS" => "list",
"LDFLAGS" => "list",
"INSTALLDIR" => "string",
"LIBS" => "list",
"INIT_FUNCTION" => "string",
"MAJOR_VERSION" => "string",
"MINOR_VERSION" => "string",
"RELEASE_VERSION" => "string",
"ENABLE" => "bool",
"CMD" => "string",
"MANPAGE" => "string"
);
###########################################################
# The parsing function which parses the file
#
# $result = _parse_config_mk($filename)
#
# $filename - the path of the config.mk file
# which should be parsed
#
# $result - the resulting structure
#
# $result->{ERROR_CODE} - the error_code, '0' means success
# $result->{ERROR_STR} - the error string
#
# $result->{$key}{KEY} - the key == the variable which was parsed
# $result->{$key}{VAL} - the value of the variable
sub _parse_config_mk($)
{
my $filename = shift;
my $result;
my $linenum = -1;
my $waiting = 0;
my $section = "GLOBAL";
my $makefile = "";
open(CONFIG_MK, "<$filename") or die("Can't open `$filename'\n");
while (<CONFIG_MK>) {
my $line = $_;
$linenum++;
# lines beginning with '#' are ignored
next if ($line =~ /^\#.*$/);
if (not $waiting and ($line =~ /^\[([a-zA-Z0-9_:]+)\][\t ]*$/))
{
$section = $1;
next;
}
# empty line
if ($line =~ /^[ \t]*$/) {
$waiting = 0;
$section = "GLOBAL";
next;
}
# global stuff is considered part of the makefile
if ($section eq "GLOBAL") {
$makefile .= $line;
next;
}
# Assignment
if (not $waiting and
($line =~ /^([a-zA-Z0-9_]+)([\t ]*)=(.*)$/)) {
my $key = $1;
my $val = $3;
# Continuing lines
if ($val =~ /^(.*)\\$/) {
$val = $1;
($val.= " $1") while(($line = <CONFIG_MK>) =~ /^[\t ]*(.*)\\$/);
$val .= $line;
}
$result->{$section}{$key}{KEY} = $key;
$result->{$section}{$key}{VAL} = $val;
next;
}
die("$filename:$linenum: Bad line while parsing $filename");
}
close(CONFIG_MK);
return ($result,$makefile);
}
sub import_file($$)
{
my ($input, $filename) = @_;
my ($result, $makefile) = _parse_config_mk($filename);
foreach my $section (keys %{$result}) {
my ($type, $name) = split(/::/, $section, 2);
$input->{$name}{NAME} = $name;
$input->{$name}{TYPE} = $type;
foreach my $key (values %{$result->{$section}}) {
$key->{VAL} = smb_build::input::strtrim($key->{VAL});
my $vartype = $attribute_types{$key->{KEY}};
if (not defined($vartype)) {
die("$filename:Unknown attribute $key->{KEY} with value $key->{VAL} in section $section");
}
if ($vartype eq "string") {
$input->{$name}{$key->{KEY}} = $key->{VAL};
} elsif ($vartype eq "list") {
$input->{$name}{$key->{KEY}} = [smb_build::input::str2array($key->{VAL})];
} elsif ($vartype eq "bool") {
if (($key->{VAL} ne "YES") and ($key->{VAL} ne "NO")) {
die("Invalid value for bool attribute $key->{KEY}: $key->{VAL} in section $section");
}
$input->{$name}{$key->{KEY}} = $key->{VAL};
}
}
}
return $makefile;
}
sub import_files($$)
{
my ($input, $config_list) = @_;
open(IN, $config_list) or die("Can't open $config_list: $!");
my @mkfiles = grep{!/^#/} <IN>;
close(IN);
$| = 1;
my $makefragment = "";
foreach (@mkfiles) {
s/\n//g;
$makefragment.= import_file($input, $_);
}
return $makefragment;
}
1;
|
