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japi-compliance-checker.pl
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#!/usr/bin/perl
###########################################################################
# Java API Compliance Checker (Java ACC) 1.3.8
# A tool for checking backward compatibility of a Java library API
#
# Copyright (C) 2011 Institute for System Programming, RAS
# Copyright (C) 2011 Russian Linux Verification Center
# Copyright (C) 2011-2014 ROSA Laboratory
#
# Written by Andrey Ponomarenko
#
# PLATFORMS
# =========
# Linux, FreeBSD, Mac OS X, MS Windows
#
# REQUIREMENTS
# ============
# Linux, FreeBSD, Mac OS X
# - JDK (javap, javac)
# - Perl 5 (5.8 or newer)
#
# MS Windows
# - JDK (javap, javac)
# - Active Perl 5 (5.8 or newer)
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License or the GNU Lesser
# General Public License as published by the Free Software Foundation.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# and the GNU Lesser General Public License along with this program.
# If not, see <http://www.gnu.org/licenses/>.
###########################################################################
use Getopt::Long;
Getopt::Long::Configure ("posix_default", "no_ignore_case", "permute");
use File::Path qw(mkpath rmtree);
use File::Temp qw(tempdir);
use File::Copy qw(copy);
use Cwd qw(abs_path cwd);
use Data::Dumper;
use Config;
my $TOOL_VERSION = "1.3.8";
my $API_DUMP_VERSION = "1.0";
my $API_DUMP_MAJOR = majorVersion($API_DUMP_VERSION);
my ($Help, $ShowVersion, %Descriptor, $TargetLibraryName, $CheckSeparately,
$GenerateDescriptor, $TestSystem, $DumpAPI, $ClassListPath, $ClientPath,
$StrictCompat, $DumpVersion, $BinaryOnly, $TargetLibraryFullName, $CheckImpl,
%TargetVersion, $SourceOnly, $ShortMode, $KeepInternal, $OutputReportPath,
$BinaryReportPath, $SourceReportPath, $Browse, $Debug, $Quick, $SortDump,
$OpenReport, $SkipDeprecated, $SkipClasses, $ShowAccess, $AffectLimit,
$JdkPath, $SkipInternal, $HideTemplates, $HidePackages, $Minimal);
my $CmdName = get_filename($0);
my $OSgroup = get_OSgroup();
my $ORIG_DIR = cwd();
my $TMP_DIR = tempdir(CLEANUP=>1);
my $ARG_MAX = get_ARG_MAX();
my %OS_Archive = (
"windows"=>"zip",
"default"=>"tar.gz"
);
my %ERROR_CODE = (
# Compatible verdict
"Compatible"=>0,
"Success"=>0,
# Incompatible verdict
"Incompatible"=>1,
# Undifferentiated error code
"Error"=>2,
# System command is not found
"Not_Found"=>3,
# Cannot access input files
"Access_Error"=>4,
# Invalid input API dump
"Invalid_Dump"=>7,
# Incompatible version of API dump
"Dump_Version"=>8,
# Cannot find a module
"Module_Error"=>9
);
my %HomePage = (
"Wiki"=>"http://ispras.linuxbase.org/index.php/Java_API_Compliance_Checker",
"Dev"=>"https://github.com/lvc/japi-compliance-checker"
);
my $ShortUsage = "Java API Compliance Checker (Java ACC) $TOOL_VERSION
A tool for checking backward compatibility of a Java library API
Copyright (C) 2014 ROSA Laboratory
License: GNU LGPL or GNU GPL
Usage: $CmdName [options]
Example: $CmdName OLD.jar NEW.jar
More info: $CmdName --help";
if($#ARGV==-1)
{
printMsg("INFO", $ShortUsage);
exit(0);
}
foreach (2 .. $#ARGV)
{ # correct comma separated options
if($ARGV[$_-1] eq ",")
{
$ARGV[$_-2].=",".$ARGV[$_];
splice(@ARGV, $_-1, 2);
}
elsif($ARGV[$_-1]=~/,\Z/)
{
$ARGV[$_-1].=$ARGV[$_];
splice(@ARGV, $_, 1);
}
elsif($ARGV[$_]=~/\A,/
and $ARGV[$_] ne ",")
{
$ARGV[$_-1].=$ARGV[$_];
splice(@ARGV, $_, 1);
}
}
GetOptions("h|help!" => \$Help,
"v|version!" => \$ShowVersion,
"dumpversion!" => \$DumpVersion,
# general options
"l|lib|library=s" => \$TargetLibraryName,
"d1|old|o=s" => \$Descriptor{1}{"Path"},
"d2|new|n=s" => \$Descriptor{2}{"Path"},
# extra options
"client|app=s" => \$ClientPath,
"binary!" => \$BinaryOnly,
"source!" => \$SourceOnly,
"check-impl|check-implementation!" => \$CheckImpl,
"v1|version1=s" => \$TargetVersion{1},
"v2|version2=s" => \$TargetVersion{2},
"s|strict!" => \$StrictCompat,
"keep-internal!" => \$KeepInternal,
"skip-internal=s" => \$SkipInternal,
"dump|dump-api=s" => \$DumpAPI,
"classes-list=s" => \$ClassListPath,
"skip-deprecated!" => \$SkipDeprecated,
"skip-classes=s" => \$SkipClasses,
"short" => \$ShortMode,
"d|template!" => \$GenerateDescriptor,
"report-path=s" => \$OutputReportPath,
"bin-report-path=s" => \$BinaryReportPath,
"src-report-path=s" => \$SourceReportPath,
"quick!" => \$Quick,
"sort!" => \$SortDump,
"show-access!" => \$ShowAccess,
"limit-affected=s" => \$AffectLimit,
"hide-templates!" => \$HideTemplates,
"hide-packages!" => \$HidePackages,
"minimal!" => \$Minimal,
# other options
"test!" => \$TestSystem,
"debug!" => \$Debug,
"l-full|lib-full=s" => \$TargetLibraryFullName,
"b|browse=s" => \$Browse,
"open!" => \$OpenReport,
"jdk-path=s" => \$JdkPath
) or ERR_MESSAGE();
if(@ARGV)
{
if($#ARGV==1)
{ # japi-compliance-checker OLD.jar NEW.jar
$Descriptor{1}{"Path"} = $ARGV[0];
$Descriptor{2}{"Path"} = $ARGV[1];
}
else {
ERR_MESSAGE();
}
}
sub ERR_MESSAGE()
{
printMsg("INFO", "\n".$ShortUsage);
exit($ERROR_CODE{"Error"});
}
my $AR_EXT = getAR_EXT($OSgroup);
my $HelpMessage="
NAME:
Java API Compliance Checker ($CmdName)
Check backward compatibility of a Java library API
DESCRIPTION:
Java API Compliance Checker (Java ACC) is a tool for checking backward
binary/source compatibility of a Java library API. The tool checks classes
declarations of old and new versions and analyzes changes that may break
compatibility: removed class members, added abstract methods, etc. Breakage
of the binary compatibility may result in crashing or incorrect behavior of
existing clients built with an old version of a library if they run with a
new one. Breakage of the source compatibility may result in recompilation
errors with a new library version.
Java ACC is intended for library developers and operating system maintainers
who are interested in ensuring backward compatibility (i.e. allow old clients
to run or to be recompiled with a new version of a library).
This tool is free software: you can redistribute it and/or modify it
under the terms of the GNU LGPL or GNU GPL.
USAGE:
$CmdName [options]
EXAMPLE:
$CmdName OLD.jar NEW.jar
OR
$CmdName -lib NAME -old OLD.xml -new NEW.xml
OLD.xml and NEW.xml are XML-descriptors:
<version>
1.0
</version>
<archives>
/path1/to/JAR(s)/
/path2/to/JAR(s)/
...
</archives>
INFORMATION OPTIONS:
-h|-help
Print this help.
-v|-version
Print version information.
-dumpversion
Print the tool version ($TOOL_VERSION) and don't do anything else.
GENERAL OPTIONS:
-l|-lib|-library NAME
Library name (without version).
-d1|-old|-o PATH
Descriptor of 1st (old) library version.
It may be one of the following:
1. Java ARchive (*.jar)
2. XML-descriptor (VERSION.xml file):
<version>
1.0
</version>
<archives>
/path1/to/JAR(s)/
/path2/to/JAR(s)/
...
</archives>
... (XML-descriptor template
may be generated by -d option)
3. API dump generated by -dump option
4. Directory with Java ARchives
5. Comma separated list of Java ARchives
6. Comma separated list of directories with Java ARchives
If you are using 1, 4-6 descriptor types then you should
specify version numbers with -v1 and -v2 options too.
If you are using *.jar as a descriptor then the tool will try to
get implementation version from MANIFEST.MF file.
-d2|-new|-n PATH
Descriptor of 2nd (new) library version.
EXTRA OPTIONS:
-client|-app PATH
This option allows to specify the client Java ARchive that should be
checked for portability to the new library version.
-binary
Show \"Binary\" compatibility problems only.
Generate report to \"bin_compat_report.html\".
-source
Show \"Source\" compatibility problems only.
Generate report to \"src_compat_report.html\".
-check-impl|-check-implementation
Compare implementation code (method\'s body) of Java classes.
Add \'Problems with Implementation\' section to the report.
-v1|-version1 NUM
Specify 1st API version outside the descriptor. This option is needed
if you have prefered an alternative descriptor type (see -d1 option).
In general case you should specify it in the XML descriptor:
<version>
VERSION
</version>
-v2|-version2 NUM
Specify 2nd library version outside the descriptor.
-s|-strict
Treat all API compatibility warnings as problems.
-keep-internal
Do not skip checking of these packages:
*impl*
*internal*
*examples*
*com.oracle*
*com.sun*
*COM.rsa*
*sun*
*sunw*
-skip-internal PATTERN
Do not check internal packages matched by the pattern.
-dump|-dump-api PATH
Dump library API to gzipped TXT format file. You can transfer it
anywhere and pass instead of the descriptor. Also it may be used
for debugging the tool. Compatible dump versions: $API_DUMP_MAJOR.0<=V<=$API_DUMP_VERSION
-classes-list PATH
This option allows to specify a file with a list
of classes that should be checked, other classes will not be checked.
-skip-deprecated
Skip analysis of deprecated methods and classes.
-skip-classes PATH
This option allows to specify a file with a list
of classes that should not be checked.
-short PATH
Generate short report without 'Added Methods' section.
-d|-template
Create XML descriptor template ./VERSION.xml
-report-path PATH
Path to compatibility report.
Default:
compat_reports/LIB_NAME/V1_to_V2/compat_report.html
-bin-report-path PATH
Path to \"Binary\" compatibility report.
Default:
compat_reports/LIB_NAME/V1_to_V2/bin_compat_report.html
-src-report-path PATH
Path to \"Source\" compatibility report.
Default:
compat_reports/LIB_NAME/V1_to_V2/src_compat_report.html
-quick
Quick analysis.
Disabled:
- analysis of method parameter names
- analysis of class field values
- analysis of usage of added abstract methods
- distinction of deprecated methods and classes
-sort
Enable sorting of data in API dumps.
-show-access
Show access level of non-public methods listed in the report.
-hide-templates
Hide template parameters in the report.
-hide-packages
Hide package names in the report.
-minimal
Show easy-to-read minimal report. Enables -hide-templates
and -hide-packages options.
-limit-affected LIMIT
The maximum number of affected methods listed under the description
of the changed type in the report.
OTHER OPTIONS:
-test
Run internal tests. Create two incompatible versions of a sample library
and run the tool to check them for compatibility. This option allows to
check if the tool works correctly in the current environment.
-debug
Debugging mode. Print debug info on the screen. Save intermediate
analysis stages in the debug directory:
debug/LIB_NAME/VER/
Also consider using --dump option for debugging the tool.
-l-full|-lib-full NAME
Change library name in the report title to NAME. By default
will be displayed a name specified by -l option.
-b|-browse PROGRAM
Open report(s) in the browser (firefox, opera, etc.).
-open
Open report(s) in the default browser.
-jdk-path PATH
Path to the JDK install tree (e.g. /usr/lib/jvm/java-7-openjdk-amd64).
REPORT:
Compatibility report will be generated to:
compat_reports/LIB_NAME/V1_to_V2/compat_report.html
EXIT CODES:
0 - Compatible. The tool has run without any errors.
non-zero - Incompatible or the tool has run with errors.
REPORT BUGS TO:
Andrey Ponomarenko <aponomarenko\@rosalab.ru>
MORE INFORMATION:
".$HomePage{"Wiki"}."
".$HomePage{"Dev"}."\n\n";
sub HELP_MESSAGE()
{ # -help
printMsg("INFO", $HelpMessage."\n");
}
my $Descriptor_Template = "
<?xml version=\"1.0\" encoding=\"utf-8\"?>
<descriptor>
/* Primary sections */
<version>
/* Version of the library */
</version>
<archives>
/* The list of paths to Java ARchives and/or
directories with archives, one per line */
</archives>
/* Optional sections */
<skip_packages>
/* The list of packages, that
should not be checked, one per line */
</skip_packages>
<packages>
/* The list of packages, that
should be checked, one per line.
Other packages will not be checked. */
</packages>
</descriptor>";
my %TypeProblems_Kind=(
"Binary"=>{
"NonAbstract_Class_Added_Abstract_Method"=>"High",
"Abstract_Class_Added_Abstract_Method"=>"Medium",
"Class_Removed_Abstract_Method"=>"High",
"Interface_Added_Abstract_Method"=>"Medium",
"Interface_Removed_Abstract_Method"=>"High",
"Removed_Class"=>"High",
"Removed_Interface"=>"High",
"Class_Method_Became_Abstract"=>"High",
"Class_Method_Became_NonAbstract"=>"Low",
"Added_Super_Class"=>"Low",
"Abstract_Class_Added_Super_Abstract_Class"=>"Medium",
"Removed_Super_Class"=>"Medium",
"Changed_Super_Class"=>"Medium",
"Abstract_Class_Added_Super_Interface"=>"Medium",
"Class_Removed_Super_Interface"=>"High",
"Interface_Added_Super_Interface"=>"Medium",
"Interface_Added_Super_Constant_Interface"=>"Low",
"Interface_Removed_Super_Interface"=>"High",
"Class_Became_Interface"=>"High",
"Interface_Became_Class"=>"High",
"Class_Became_Final"=>"High",
"Class_Became_Abstract"=>"High",
"Class_Added_Field"=>"Safe",
"Interface_Added_Field"=>"Safe",
"Removed_NonConstant_Field"=>"High",
"Removed_Constant_Field"=>"Low",
"Renamed_Field"=>"High",
"Renamed_Constant_Field"=>"Low",
"Changed_Field_Type"=>"High",
"Changed_Field_Access"=>"High",
"Changed_Final_Field_Value"=>"Medium",
"Field_Became_Final"=>"Medium",
"Field_Became_NonFinal"=>"Low",
"NonConstant_Field_Became_Static"=>"High",
"NonConstant_Field_Became_NonStatic"=>"High",
"Class_Overridden_Method"=>"Low",
"Class_Method_Moved_Up_Hierarchy"=>"Low"
},
"Source"=>{
"NonAbstract_Class_Added_Abstract_Method"=>"High",
"Abstract_Class_Added_Abstract_Method"=>"High",
"Interface_Added_Abstract_Method"=>"High",
"Class_Removed_Abstract_Method"=>"High",
"Interface_Removed_Abstract_Method"=>"High",
"Removed_Class"=>"High",
"Removed_Interface"=>"High",
"Class_Method_Became_Abstract"=>"High",
"Added_Super_Class"=>"Low",
"Abstract_Class_Added_Super_Abstract_Class"=>"High",
"Removed_Super_Class"=>"Medium",
"Changed_Super_Class"=>"Medium",
"Abstract_Class_Added_Super_Interface"=>"High",
"Class_Removed_Super_Interface"=>"High",
"Interface_Added_Super_Interface"=>"High",
"Interface_Added_Super_Constant_Interface"=>"Low",
"Interface_Removed_Super_Interface"=>"High",
"Interface_Removed_Super_Constant_Interface"=>"High",
"Class_Became_Interface"=>"High",
"Interface_Became_Class"=>"High",
"Class_Became_Final"=>"High",
"Class_Became_Abstract"=>"High",
"Class_Added_Field"=>"Safe",
"Interface_Added_Field"=>"Safe",
"Removed_NonConstant_Field"=>"High",
"Removed_Constant_Field"=>"High",
"Renamed_Field"=>"High",
"Renamed_Constant_Field"=>"High",
"Changed_Field_Type"=>"High",
"Changed_Field_Access"=>"High",
"Field_Became_Final"=>"Medium",
"Constant_Field_Became_NonStatic"=>"High",
"NonConstant_Field_Became_NonStatic"=>"High"
}
);
my %MethodProblems_Kind=(
"Binary"=>{
"Added_Method"=>"Safe",
"Removed_Method"=>"High",
"Method_Became_Static"=>"High",
"Method_Became_NonStatic"=>"High",
"NonStatic_Method_Became_Final"=>"Medium",
"Changed_Method_Access"=>"High",
"Method_Became_Synchronized"=>"Low",
"Method_Became_NonSynchronized"=>"Low",
"Method_Became_Abstract"=>"High",
"Method_Became_NonAbstract"=>"Low",
"NonAbstract_Method_Added_Checked_Exception"=>"Low",
"NonAbstract_Method_Removed_Checked_Exception"=>"Low",
"Added_Unchecked_Exception"=>"Low",
"Removed_Unchecked_Exception"=>"Low",
"Variable_Arity_To_Array"=>"Low",# not implemented yet
"Changed_Method_Return_From_Void"=>"High"
},
"Source"=>{
"Added_Method"=>"Safe",
"Removed_Method"=>"High",
"Method_Became_Static"=>"Low",
"Method_Became_NonStatic"=>"High",
"Static_Method_Became_Final"=>"Medium",
"NonStatic_Method_Became_Final"=>"Medium",
"Changed_Method_Access"=>"High",
"Method_Became_Abstract"=>"High",
"Abstract_Method_Added_Checked_Exception"=>"Medium",
"NonAbstract_Method_Added_Checked_Exception"=>"Medium",
"Abstract_Method_Removed_Checked_Exception"=>"Medium",
"NonAbstract_Method_Removed_Checked_Exception"=>"Medium"
}
);
my %KnownRuntimeExceptions= map {$_=>1} (
# To separate checked- and unchecked- exceptions
"java.lang.AnnotationTypeMismatchException",
"java.lang.ArithmeticException",
"java.lang.ArrayStoreException",
"java.lang.BufferOverflowException",
"java.lang.BufferUnderflowException",
"java.lang.CannotRedoException",
"java.lang.CannotUndoException",
"java.lang.ClassCastException",
"java.lang.CMMException",
"java.lang.ConcurrentModificationException",
"java.lang.DataBindingException",
"java.lang.DOMException",
"java.lang.EmptyStackException",
"java.lang.EnumConstantNotPresentException",
"java.lang.EventException",
"java.lang.IllegalArgumentException",
"java.lang.IllegalMonitorStateException",
"java.lang.IllegalPathStateException",
"java.lang.IllegalStateException",
"java.lang.ImagingOpException",
"java.lang.IncompleteAnnotationException",
"java.lang.IndexOutOfBoundsException",
"java.lang.JMRuntimeException",
"java.lang.LSException",
"java.lang.MalformedParameterizedTypeException",
"java.lang.MirroredTypeException",
"java.lang.MirroredTypesException",
"java.lang.MissingResourceException",
"java.lang.NegativeArraySizeException",
"java.lang.NoSuchElementException",
"java.lang.NoSuchMechanismException",
"java.lang.NullPointerException",
"java.lang.ProfileDataException",
"java.lang.ProviderException",
"java.lang.RasterFormatException",
"java.lang.RejectedExecutionException",
"java.lang.SecurityException",
"java.lang.SystemException",
"java.lang.TypeConstraintException",
"java.lang.TypeNotPresentException",
"java.lang.UndeclaredThrowableException",
"java.lang.UnknownAnnotationValueException",
"java.lang.UnknownElementException",
"java.lang.UnknownEntityException",
"java.lang.UnknownTypeException",
"java.lang.UnmodifiableSetException",
"java.lang.UnsupportedOperationException",
"java.lang.WebServiceException",
"java.lang.WrongMethodTypeException"
);
my %Slash_Type=(
"default"=>"/",
"windows"=>"\\"
);
my $SLASH = $Slash_Type{$OSgroup}?$Slash_Type{$OSgroup}:$Slash_Type{"default"};
my %OS_AddPath=(
# this data needed if tool can't detect it automatically
"macos"=>{
"bin"=>{"/Developer/usr/bin"=>1}},
"beos"=>{
"bin"=>{"/boot/common/bin"=>1,"/boot/system/bin"=>1,"/boot/develop/abi"=>1}}
);
#Global variables
my %RESULT;
my $ExtractCounter = 0;
my %Cache;
my $TOP_REF = "<a style='font-size:11px;' href='#Top'>to the top</a>";
my %DEBUG_PATH;
my $JAVA_VERSION;
#Types
my %TypeInfo;
my $TypeID = 0;
my %CheckedTypes;
my %TName_Tid;
my %Class_Constructed;
#Classes
my %ClassList_User;
my %SkipClass_User;
my %UsedMethods_Client;
my %UsedFields_Client;
my %UsedClasses_Client;
my %LibClasses;
my %LibArchives;
my %Class_Methods;
my %Class_AbstractMethods;
my %Class_Fields;
my %MethodInvoked;
my %ClassMethod_AddedInvoked;
my %FieldUsed;
#Methods
my %CheckedMethods;
my %MethodBody;
my %tr_name;
#Merging
my %MethodInfo;
my $Version;
my %AddedMethod_Abstract;
my %RemovedMethod_Abstract;
my %ChangedReturnFromVoid;
my %SkipPackages;
my %KeepPackages;
my %SkippedPackage;
#Report
my %Type_MaxPriority;
#Recursion locks
my @RecurSymlink;
my @RecurTypes;
#System
my %SystemPaths;
my %DefaultBinPaths;
#Problem descriptions
my %CompatProblems;
my %ImplProblems;
my %TotalAffected;
#Rerort
my $ContentID = 1;
my $ContentSpanStart = "<span class=\"section\" onclick=\"javascript:showContent(this, 'CONTENT_ID')\">\n";
my $ContentSpanStart_Affected = "<span class=\"section_affected\" onclick=\"javascript:showContent(this, 'CONTENT_ID')\">\n";
my $ContentSpanEnd = "</span>\n";
my $ContentDivStart = "<div id=\"CONTENT_ID\" style=\"display:none;\">\n";
my $ContentDivEnd = "</div>\n";
my $Content_Counter = 0;
#Modes
my $JoinReport = 1;
my $DoubleReport = 0;
sub get_CmdPath($)
{
my $Name = $_[0];
return "" if(not $Name);
if(defined $Cache{"get_CmdPath"}{$Name}) {
return $Cache{"get_CmdPath"}{$Name};
}
my $Path = search_Cmd($Name);
if(not $Path and $OSgroup eq "windows")
{ # search for *.exe file
$Path=search_Cmd($Name.".exe");
}
if($Path=~/\s/) {
$Path = "\"".$Path."\"";
}
return ($Cache{"get_CmdPath"}{$Name} = $Path);
}
sub search_Cmd($)
{
my $Name = $_[0];
return "" if(not $Name);
if(defined $Cache{"search_Cmd"}{$Name}) {
return $Cache{"search_Cmd"}{$Name};
}
if(defined $JdkPath)
{
if(-x $JdkPath."/".$Name) {
return ($Cache{"search_Cmd"}{$Name} = $JdkPath."/".$Name);
}
if(-x $JdkPath."/bin/".$Name) {
return ($Cache{"search_Cmd"}{$Name} = $JdkPath."/bin/".$Name);
}
}
if(my $DefaultPath = get_CmdPath_Default($Name)) {
return ($Cache{"search_Cmd"}{$Name} = $DefaultPath);
}
foreach my $Path (sort {length($a)<=>length($b)} keys(%{$SystemPaths{"bin"}}))
{
if(-f $Path."/".$Name or -f $Path."/".$Name.".exe") {
return ($Cache{"search_Cmd"}{$Name} = joinPath($Path,$Name));
}
}
return ($Cache{"search_Cmd"}{$Name} = "");
}
sub get_CmdPath_Default($)
{ # search in PATH
return "" if(not $_[0]);
if(defined $Cache{"get_CmdPath_Default"}{$_[0]}) {
return $Cache{"get_CmdPath_Default"}{$_[0]};
}
return ($Cache{"get_CmdPath_Default"}{$_[0]} = get_CmdPath_Default_I($_[0]));
}
sub get_CmdPath_Default_I($)
{ # search in PATH
my $Name = $_[0];
if($Name=~/find/)
{ # special case: search for "find" utility
if(`find \"$TMP_DIR\" -maxdepth 0 2>\"$TMP_DIR/null\"`) {
return "find";
}
}
if(get_version($Name)) {
return $Name;
}
if($OSgroup eq "windows")
{
if(`$Name /? 2>\"$TMP_DIR/null\"`) {
return $Name;
}
}
if($Name!~/which/)
{
if(my $WhichCmd = get_CmdPath("which"))
{
if(`$WhichCmd $Name 2>\"$TMP_DIR/null\"`) {
return $Name;
}
}
}
foreach my $Path (sort {length($a)<=>length($b)} keys(%DefaultBinPaths))
{
if(-f $Path."/".$Name) {
return joinPath($Path,$Name);
}
}
return "";
}
sub showPos($)
{
my $Number = $_[0];
if(not $Number) {
$Number = 1;
}
else {
$Number = int($Number)+1;
}
if($Number>3) {
return $Number."th";
}
elsif($Number==1) {
return "1st";
}
elsif($Number==2) {
return "2nd";
}
elsif($Number==3) {
return "3rd";
}
else {
return $Number;
}
}
sub getAR_EXT($)
{
my $Target = $_[0];
if(my $Ext = $OS_Archive{$Target}) {
return $Ext;
}
return $OS_Archive{"default"};
}
sub readDescriptor($$)
{
my ($LibVersion, $Content) = @_;
return if(not $LibVersion);
my $DName = $DumpAPI?"descriptor":"descriptor \"d$LibVersion\"";
if(not $Content) {
exitStatus("Error", "$DName is empty");
}
if($Content!~/\</) {
exitStatus("Error", "descriptor should be one of the following:\n Java ARchive, XML descriptor, gzipped API dump or directory with Java ARchives.");
}
$Content=~s/\/\*(.|\n)+?\*\///g;
$Content=~s/<\!--(.|\n)+?-->//g;
$Descriptor{$LibVersion}{"Version"} = parseTag(\$Content, "version");
$Descriptor{$LibVersion}{"Version"} = $TargetVersion{$LibVersion} if($TargetVersion{$LibVersion});
if(not $Descriptor{$LibVersion}{"Version"}) {
exitStatus("Error", "version in the $DName is not specified (<version> section)");
}
my $DArchives = parseTag(\$Content, "archives");
if(not $DArchives){
exitStatus("Error", "Java ARchives in the $DName are not specified (<archive> section)");
}
else
{# append the descriptor Java ARchives list
if($Descriptor{$LibVersion}{"Archives"}) {
$Descriptor{$LibVersion}{"Archives"} .= "\n".$DArchives;
}
else {
$Descriptor{$LibVersion}{"Archives"} = $DArchives;
}
foreach my $Path (split(/\s*\n\s*/, $DArchives))
{
if(not -e $Path) {
exitStatus("Access_Error", "can't access \'$Path\'");
}
}
}
foreach my $Package (split(/\s*\n\s*/, parseTag(\$Content, "skip_packages"))) {
$SkipPackages{$LibVersion}{$Package} = 1;
}
foreach my $Package (split(/\s*\n\s*/, parseTag(\$Content, "packages"))) {
$KeepPackages{$LibVersion}{$Package} = 1;
}
}
sub parseTag($$)
{
my ($CodeRef, $Tag) = @_;
return "" if(not $CodeRef or not ${$CodeRef} or not $Tag);
if(${$CodeRef}=~s/\<\Q$Tag\E\>((.|\n)+?)\<\/\Q$Tag\E\>//)
{
my $Content = $1;
$Content=~s/(\A\s+|\s+\Z)//g;
return $Content;
}
else {
return "";
}
}
sub ignore_path($$)
{
my ($Path, $Prefix) = @_;
return 1 if(not $Path or not -e $Path
or not $Prefix or not -e $Prefix);
return 1 if($Path=~/\~\Z/);# skipping system backup files
# skipping hidden .svn, .git, .bzr, .hg and CVS directories
return 1 if(cut_path_prefix($Path, $Prefix)=~/(\A|[\/\\]+)(\.(svn|git|bzr|hg)|CVS)([\/\\]+|\Z)/);
return 0;
}
sub cut_path_prefix($$)
{
my ($Path, $Prefix) = @_;
$Prefix=~s/[\/\\]+\Z//;
$Path=~s/\A\Q$Prefix\E([\/\\]+|\Z)//;
return $Path;
}
sub get_filename($)
{ # much faster than basename() from File::Basename module
if(defined $Cache{"get_filename"}{$_[0]}) {
return $Cache{"get_filename"}{$_[0]};
}
if($_[0] and $_[0]=~/([^\/\\]+)[\/\\]*\Z/) {
return ($Cache{"get_filename"}{$_[0]}=$1);
}
return ($Cache{"get_filename"}{$_[0]}="");
}
sub get_dirname($)
{ # much faster than dirname() from File::Basename module
if(defined $Cache{"get_dirname"}{$_[0]}) {
return $Cache{"get_dirname"}{$_[0]};
}
if($_[0] and $_[0]=~/\A(.*?)[\/\\]+[^\/\\]*[\/\\]*\Z/) {
return ($Cache{"get_dirname"}{$_[0]}=$1);
}
return ($Cache{"get_dirname"}{$_[0]}="");
}
sub separate_path($) {
return (get_dirname($_[0]), get_filename($_[0]));
}
sub joinPath($$)
{
return join($SLASH, @_);
}
sub get_abs_path($)
{ # abs_path() should NOT be called for absolute inputs
# because it can change them
my $Path = $_[0];
if(not is_abs($Path)) {
$Path = abs_path($Path);
}
return $Path;
}
sub is_abs($) {
return ($_[0]=~/\A(\/|\w+:[\/\\])/);
}
sub cmd_find($$$$)
{
my ($Path, $Type, $Name, $MaxDepth) = @_;
return () if(not $Path or not -e $Path);
if($OSgroup eq "windows")
{
my $DirCmd = get_CmdPath("dir");
if(not $DirCmd) {
exitStatus("Not_Found", "can't find \"dir\" command");
}
$Path=~s/[\\]+\Z//;
$Path = get_abs_path($Path);
my $Cmd = $DirCmd." \"$Path\" /B /O";
if($MaxDepth!=1) {
$Cmd .= " /S";
}
if($Type eq "d") {
$Cmd .= " /AD";
}
my @Files = ();
if($Name)
{ # FIXME: how to search file names in MS shell?
$Name=~s/\*/.*/g if($Name!~/\]/);
foreach my $File (split(/\n/, `$Cmd`))