odp/scripts: Pre submit, file clean & check tool

Signed-off-by: Mike Holmes <mike.holmes@linaro.org>

V2 add style = linux to astyle

2 files changed, 196 insertions, 0 deletions

diff --git a/scripts/cleanfile b/scripts/cleanfile
new file mode 100755
index 000000000..209d22206
--- /dev/null
+++ b/scripts/cleanfile
@@ -0,0 +1,176 @@
+#!/usr/bin/perl -w
+#
+# Clean a text file -- or directory of text files -- of stealth whitespace.
+# WARNING: this can be a highly destructive operation.  Use with caution.
+#
+
+use bytes;
+use File::Basename;
+
+# Default options
+$max_width = 79;
+
+# Clean up space-tab sequences, either by removing spaces or
+# replacing them with tabs.
+sub clean_space_tabs($)
+{
+    no bytes;           # Tab alignment depends on characters
+
+    my($li) = @_;
+    my($lo) = '';
+    my $pos = 0;
+    my $nsp = 0;
+    my($i, $c);
+
+    for ($i = 0; $i < length($li); $i++) {
+    $c = substr($li, $i, 1);
+    if ($c eq "\t") {
+        my $npos = ($pos+$nsp+8) & ~7;
+        my $ntab = ($npos >> 3) - ($pos >> 3);
+        $lo .= "\t" x $ntab;
+        $pos = $npos;
+        $nsp = 0;
+    } elsif ($c eq "\n" || $c eq "\r") {
+        $lo .= " " x $nsp;
+        $pos += $nsp;
+        $nsp = 0;
+        $lo .= $c;
+        $pos = 0;
+    } elsif ($c eq " ") {
+        $nsp++;
+    } else {
+        $lo .= " " x $nsp;
+        $pos += $nsp;
+        $nsp = 0;
+        $lo .= $c;
+        $pos++;
+    }
+    }
+    $lo .= " " x $nsp;
+    return $lo;
+}
+
+# Compute the visual width of a string
+sub strwidth($) {
+    no bytes;           # Tab alignment depends on characters
+
+    my($li) = @_;
+    my($c, $i);
+    my $pos = 0;
+    my $mlen = 0;
+
+    for ($i = 0; $i < length($li); $i++) {
+    $c = substr($li,$i,1);
+    if ($c eq "\t") {
+        $pos = ($pos+8) & ~7;
+    } elsif ($c eq "\n") {
+        $mlen = $pos if ($pos > $mlen);
+        $pos = 0;
+    } else {
+        $pos++;
+    }
+    }
+
+    $mlen = $pos if ($pos > $mlen);
+    return $mlen;
+}
+
+$name = basename($0);
+
+@files = ();
+
+while (defined($a = shift(@ARGV))) {
+    if ($a =~ /^-/) {
+    if ($a eq '-width' || $a eq '-w') {
+        $max_width = shift(@ARGV)+0;
+    } else {
+        print STDERR "Usage: $name [-width #] files...\n";
+        exit 1;
+    }
+    } else {
+    push(@files, $a);
+    }
+}
+
+foreach $f ( @files ) {
+    print STDERR "$name: $f\n";
+
+    if (! -f $f) {
+    print STDERR "$f: not a file\n";
+    next;
+    }
+
+    if (!open(FILE, '+<', $f)) {
+    print STDERR "$name: Cannot open file: $f: $!\n";
+    next;
+    }
+
+    binmode FILE;
+
+    # First, verify that it is not a binary file; consider any file
+    # with a zero byte to be a binary file.  Is there any better, or
+    # additional, heuristic that should be applied?
+    $is_binary = 0;
+
+    while (read(FILE, $data, 65536) > 0) {
+    if ($data =~ /\0/) {
+        $is_binary = 1;
+        last;
+    }
+    }
+
+    if ($is_binary) {
+    print STDERR "$name: $f: binary file\n";
+    next;
+    }
+
+    seek(FILE, 0, 0);
+
+    $in_bytes = 0;
+    $out_bytes = 0;
+    $blank_bytes = 0;
+
+    @blanks = ();
+    @lines  = ();
+    $lineno = 0;
+
+    while ( defined($line = <FILE>) ) {
+    $lineno++;
+    $in_bytes += length($line);
+    $line =~ s/[ \t\r]*$//;     # Remove trailing spaces
+    $line = clean_space_tabs($line);
+
+    if ( $line eq "\n" ) {
+        push(@blanks, $line);
+        $blank_bytes += length($line);
+    } else {
+        push(@lines, @blanks);
+        $out_bytes += $blank_bytes;
+        push(@lines, $line);
+        $out_bytes += length($line);
+        @blanks = ();
+        $blank_bytes = 0;
+    }
+
+    $l_width = strwidth($line);
+    if ($max_width && $l_width > $max_width) {
+        print STDERR
+        "$f:$lineno: line exceeds $max_width characters ($l_width)\n";
+    }
+    }
+
+    # Any blanks at the end of the file are discarded
+
+    if ($in_bytes != $out_bytes) {
+    # Only write to the file if changed
+    seek(FILE, 0, 0);
+    print FILE @lines;
+
+    if ( !defined($where = tell(FILE)) ||
+         !truncate(FILE, $where) ) {
+        die "$name: Failed to truncate modified file: $f: $!\n";
+    }
+    }
+
+    close(FILE);
+}
diff --git a/scripts/odp_check b/scripts/odp_check
new file mode 100755
index 000000000..8df35fabb
--- /dev/null
+++ b/scripts/odp_check
@@ -0,0 +1,20 @@
+#!/bin/bash
+#
+# This script is an indenter, white space remover,
+# formatter, and beautifier and general source file
+# clean up for the  ODP project.
+#
+# Usage
+# ./scripts/opd_check <path/filename>
+set -e
+
+DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"
+
+if ! type "astyle" >/dev/null >/dev/null; then
+   echo "Please install astyle from http://astyle.sourceforge.net/" 
+   exit -1
+fi
+
+astyle --style=linux --indent=force-tab=8 $1
+$DIR/cleanfile $1
+$DIR/checkpatch.pl -f $1