[1578] | 1 | #!/usr/bin/perl |
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| 2 | # ------------------------------------------------------------------------------ |
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| 3 | # NAME |
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| 4 | # Fcm::Config |
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| 5 | # |
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| 6 | # DESCRIPTION |
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| 7 | # This is a class for reading and processing central and user configuration |
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| 8 | # settings for FCM. |
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| 9 | # |
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| 10 | # COPYRIGHT |
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| 11 | # (C) Crown copyright Met Office. All rights reserved. |
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| 12 | # For further details please refer to the file COPYRIGHT.txt |
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| 13 | # which you should have received as part of this distribution. |
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| 14 | # ------------------------------------------------------------------------------ |
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| 15 | |
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| 16 | package Fcm::Config; |
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| 17 | |
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| 18 | # Standard pragma |
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| 19 | use warnings; |
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| 20 | use strict; |
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| 21 | |
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| 22 | # Standard modules |
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| 23 | use File::Basename; |
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| 24 | use File::Spec::Functions; |
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| 25 | use FindBin; |
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| 26 | use POSIX qw/setlocale LC_ALL/; |
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| 27 | |
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| 28 | # FCM component modules |
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| 29 | use Fcm::CfgFile; |
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| 30 | |
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| 31 | # Other declarations: |
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| 32 | sub _get_hash_value; |
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| 33 | |
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| 34 | # ------------------------------------------------------------------------------ |
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| 35 | # SYNOPSIS |
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| 36 | # $config = Fcm::Config->new (VERBOSE => $verbose); |
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| 37 | # |
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| 38 | # DESCRIPTION |
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| 39 | # This method constructs a new instance of the Fcm::Config class. |
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| 40 | # |
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| 41 | # ARGUMENTS |
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| 42 | # VERBOSE - Set the verbose level of diagnostic output |
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| 43 | # ------------------------------------------------------------------------------ |
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| 44 | |
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| 45 | sub new { |
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| 46 | my $this = shift; |
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| 47 | my %args = @_; |
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| 48 | my $class = ref $this || $this; |
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| 49 | |
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| 50 | # Ensure that all subsequent Subversion output is in UK English |
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| 51 | if (setlocale (LC_ALL, 'en_GB')) { |
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| 52 | $ENV{LANG} = 'en_GB'; |
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| 53 | } |
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| 54 | |
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| 55 | # Location of the central/user configuration file |
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| 56 | my $cntl_config = catfile (dirname ($FindBin::Bin), 'etc', 'fcm.cfg'); |
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| 57 | $cntl_config = catfile $FindBin::Bin, 'fcm.cfg' unless -r $cntl_config; |
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| 58 | my $user_config = exists $ENV{HOME} ? catfile $ENV{HOME}, '.fcm' : ''; |
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| 59 | |
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| 60 | # Verbose mode |
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| 61 | my $verbose = exists $ENV{FCM_VERBOSE} ? $ENV{FCM_VERBOSE} : 1; |
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| 62 | |
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| 63 | my $self = { |
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| 64 | CNTL_CONFIG => -r $cntl_config ? $cntl_config : '', |
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| 65 | USER_CONFIG => -r $user_config ? $user_config : '', |
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| 66 | VERBOSE => exists $args{VERBOSE} ? $args{VERBOSE} : $verbose, |
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| 67 | VARIABLE => {}, |
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| 68 | |
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| 69 | # Primary settings |
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| 70 | SETTING => { |
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| 71 | # Release identifier/version |
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| 72 | RELEASE => '1.2', |
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| 73 | |
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| 74 | # Location of file with the last changed revision of the FCM trunk |
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| 75 | REV_FILE => catfile (dirname ($FindBin::Bin), 'etc', 'fcm_rev'), |
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| 76 | |
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| 77 | # Default names of known FCM configuration files |
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| 78 | CFG_NAME => { |
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| 79 | BLD => 'bld.cfg', # bld cfg |
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| 80 | EXT => 'ext.cfg', # ext cfg |
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| 81 | SRCPACKAGE => '@PACKAGE.cfg', # source package cfg |
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| 82 | }, |
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| 83 | |
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| 84 | # Latest version of known FCM configuration files |
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| 85 | CFG_VERSION => { |
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| 86 | BLD => '1.0', # bld cfg |
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| 87 | EXT => '1.0', # ext cfg |
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| 88 | SRCPACKAGE => '1.0', # source package cfg |
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| 89 | }, |
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| 90 | |
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| 91 | # Labels for all types of FCM configuration files |
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| 92 | CFG_LABEL => { |
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| 93 | CFGFILE => { |
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| 94 | TYPE => 'CFG::TYPE', # config file type |
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| 95 | VERSION => 'CFG::VERSION', # version of config file syntax |
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| 96 | }, |
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| 97 | |
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| 98 | # Labels for central/user internal config setting |
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| 99 | SETTING => 'SET', |
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| 100 | |
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| 101 | # Labels for ext and bld cfg |
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| 102 | USE => 'USE', # use (inherit from) another ext/bld |
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| 103 | SRCDIR => 'SRC', # prefix, source directory |
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| 104 | |
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| 105 | # Labels for bld and pck cfg |
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| 106 | TARGET => 'TARGET', # BLD: targets of current build |
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| 107 | # PCK: target name of source file |
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| 108 | |
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| 109 | # Labels for bld cfg |
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| 110 | NAME => 'NAME', # build name |
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| 111 | DIR => 'DIR', # prefix, build directory |
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| 112 | PP => 'PP', # prefix, pre-process? |
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| 113 | LIB => 'LIB', # declare name of a library |
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| 114 | SEARCH_SRC => 'SEARCH_SRC', # search src/ sub-directory? |
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| 115 | EXE_NAME => 'EXE_NAME', # rename a main program target |
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| 116 | TOOL => 'TOOL', # prefix, build tool |
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| 117 | INHERIT => 'INHERIT', # prefix, inheritance flag |
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| 118 | EXCL_DEP => 'EXCL_DEP', # exclude these automatic dependencies |
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| 119 | INFILE_EXT => 'INFILE_EXT', # input file name extension and type |
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| 120 | OUTFILE_EXT => 'OUTFILE_EXT', # output file type and name extension |
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| 121 | EXE_DEP => 'EXE_DEP', # extra executable dependencies |
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| 122 | BLOCKDATA => 'BLOCKDATA', # BLOCKDATA dependencies |
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| 123 | |
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| 124 | # Labels for ext cfg |
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| 125 | DEST => { # local extract destinations |
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| 126 | ROOTDIR => 'DEST::ROOTDIR', # top directory for this extract |
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| 127 | SRCDIR => 'DEST::SRCDIR', # extracted source directory |
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| 128 | CFGDIR => 'DEST::CFGDIR', # generated configuration directory |
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| 129 | CACHEDIR => 'DEST::CACHEDIR', # cache directory for fast extract |
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| 130 | BLD_CFG => 'DEST::BLD_CFG', # generated bld cfg file |
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| 131 | EXT_CFG => 'DEST::EXT_CFG', # generated ext cfg file |
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| 132 | }, |
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| 133 | RDEST => { # remote extract destionations |
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| 134 | MACHINE => 'RDEST::MACHINE', # name of remote machine |
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| 135 | LOGNAME => 'RDEST::LOGNAME', # user logname on remote machine |
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| 136 | ROOTDIR => 'RDEST::ROOTDIR', # top directory for this extract |
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| 137 | SRCDIR => 'RDEST::SRCDIR', # extracted source directory |
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| 138 | CFGDIR => 'RDEST::CFGDIR', # generated configuration directory |
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| 139 | BLD_CFG => 'RDEST::BLD_CFG', # generated bld cfg file |
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| 140 | EXT_CFG => 'RDEST::EXT_CFG', # generated ext cfg file |
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| 141 | }, |
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| 142 | INC => 'INC', # "include" settings in another cfg file |
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| 143 | BDECLARE => 'BLD', # declare entries for build system |
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| 144 | OVERRIDE => 'OVERRIDE', # set conflict override option |
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| 145 | REPOS => 'REPOS', # set repos loc for a project branch |
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| 146 | VERSION => 'VERSION', # set version for a project branch |
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| 147 | EXPSRCDIR => 'EXPSRC', # prefix, expandable source directory |
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| 148 | MIRROR => 'MIRROR', # mirror tool |
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| 149 | |
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| 150 | # Labels for pck cfg |
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| 151 | TYPE => 'TYPE', # type of source file/build task |
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| 152 | SCAN => 'SCAN', # scan source file for dependency |
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| 153 | INTNAME => 'INTNAME', # internal name of source file |
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| 154 | DEP => 'DEP', # source file/build task dependencies |
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| 155 | }, |
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| 156 | |
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| 157 | # Keywords in known FCM configuration files |
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| 158 | CFG_KEYWORD => 'USE,INC,TARGET,EXCL_DEP', |
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| 159 | |
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| 160 | # Types of "inc" statements expandable CFG files |
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| 161 | CFG_EXP_INC => 'BLD,EXT,FCM', |
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| 162 | |
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| 163 | # Standard sub-directories for extract/build |
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| 164 | DIR => { |
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| 165 | BIN => 'bin', # executable |
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| 166 | BLD => 'bld', # build |
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| 167 | CACHE => '.cache', # cache |
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| 168 | CFG => 'cfg', # configuration |
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| 169 | DONE => 'done', # "done" |
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| 170 | ETC => 'etc', # miscellaneous items |
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| 171 | FLAGS => 'flags', # "flags" |
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| 172 | INC => 'inc', # include |
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| 173 | LIB => 'lib', # library |
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| 174 | OBJ => 'obj', # object |
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| 175 | PPSRC => 'ppsrc', # pre-processed source |
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| 176 | SRC => 'src', # source |
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| 177 | TMP => 'tmp', # temporary directory |
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| 178 | }, |
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| 179 | |
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| 180 | # Build commands and options (i.e. tools) |
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| 181 | TOOL => { |
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| 182 | SHELL => '/usr/bin/ksh', # Default shell |
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| 183 | |
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| 184 | CPP => 'cpp', # C pre-processor |
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| 185 | CPPFLAGS => '-C', # CPP flags |
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| 186 | CPP_INCLUDE => '-I', # CPP flag, specify "include" path |
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| 187 | CPP_DEFINE => '-D', # CPP flag, define macro |
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| 188 | CPPKEYS => '', # CPP keys (definition macro) |
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| 189 | |
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| 190 | CC => 'cc', # C compiler |
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| 191 | CFLAGS => '', # CC flags |
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| 192 | CC_COMPILE => '-c', # CC flag, compile only |
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| 193 | CC_OUTPUT => '-o', # CC flag, specify output file name |
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| 194 | CC_INCLUDE => '-I', # CC flag, specify "include" path |
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| 195 | CC_DEFINE => '-D', # CC flag, define macro |
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| 196 | |
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| 197 | FPP => 'cpp', # Fortran pre-processor |
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| 198 | FPPFLAGS => '-P -traditional', # FPP flags |
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| 199 | FPP_INCLUDE => '-I', # FPP flag, specify "include" path |
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| 200 | FPP_DEFINE => '-D', # FPP flag, define macro |
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| 201 | FPPKEYS => '', # FPP keys (definition macro) |
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| 202 | |
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| 203 | FC => 'f90', # Fortran compiler |
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| 204 | FFLAGS => '', # FC flags |
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| 205 | FC_COMPILE => '-c', # FC flag, compile only |
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| 206 | FC_OUTPUT => '-o', # FC flag, specify output file name |
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| 207 | FC_INCLUDE => '-I', # FC flag, specify "include" path |
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| 208 | FC_DEFINE => '-D', # FC flag, define macro |
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| 209 | |
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| 210 | LD => 'ld', # linker |
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| 211 | LDFLAGS => '', # LD flags |
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| 212 | LD_OUTPUT => '-o', # LD flag, specify output file name |
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| 213 | LD_LIBSEARCH => '-L', # LD flag, specify "library" path |
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| 214 | LD_LIBLINK => '-l', # LD flag, specify link library |
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| 215 | |
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| 216 | AR => 'ar', # library archiver |
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| 217 | ARFLAGS => 'rs', # AR flags |
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| 218 | |
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| 219 | MAKE => 'make', # make command |
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| 220 | MAKEFLAGS => '', # make flags |
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| 221 | MAKE_SILENT => '-s', # make flag, silent diagnostic |
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| 222 | MAKE_JOB => '-j', # make flag, number of jobs |
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| 223 | |
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| 224 | INTERFACE => 'file', # name interface after file/program |
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| 225 | GENINTERFACE => 'ECMWF', # Fortran 9x interface generator |
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| 226 | |
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| 227 | MIRROR => 'rsync', # extract mirroring tool |
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| 228 | REMOTE_SHELL => 'remsh', # command to invoke the remote shell |
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| 229 | GRAPHIC_DIFF => 'xxdiff', # graphical diff tool |
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| 230 | }, |
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| 231 | |
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| 232 | # List of tools that are local to FCM, (will not be exported to a Makefile) |
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| 233 | LOCALTOOL => 'CPP,CPPFLAGS,CPP_INCLUDE,CPP_DEFINE,FPP,FPPFLAGS,' . |
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| 234 | 'FPP_INCLUDE,FPP_DEFINE,GRAPHIC_DIFF,MAKE,MAKEFLAGS,' . |
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| 235 | 'MAKE_SILENT,MAKE_JOB,INTERFACE,GENINTERFACE,MIRROR,' . |
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| 236 | 'REMOTE_SHELL', |
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| 237 | |
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| 238 | # Supported tools for compilable source |
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| 239 | SRC_TOOL => { |
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| 240 | FORTRAN => { |
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| 241 | COMPILER => 'FC', |
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| 242 | FLAGS => 'FFLAGS', |
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| 243 | OUTPUT => 'FC_OUTPUT', |
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| 244 | INCLUDE => 'FC_INCLUDE', |
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| 245 | }, |
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| 246 | |
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| 247 | FPP => { |
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| 248 | COMPILER => 'FC', |
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| 249 | FLAGS => 'FFLAGS', |
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| 250 | PPKEYS => 'FPPKEYS', |
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| 251 | OUTPUT => 'FC_OUTPUT', |
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| 252 | INCLUDE => 'FC_INCLUDE', |
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| 253 | DEFINE => 'FC_DEFINE', |
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| 254 | }, |
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| 255 | |
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| 256 | C => { |
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| 257 | COMPILER => 'CC', |
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| 258 | FLAGS => 'CFLAGS', |
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| 259 | PPKEYS => 'CPPKEYS', |
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| 260 | OUTPUT => 'CC_OUTPUT', |
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| 261 | INCLUDE => 'CC_INCLUDE', |
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| 262 | DEFINE => 'CC_DEFINE', |
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| 263 | }, |
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| 264 | }, |
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| 265 | |
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| 266 | # Cache file names/extensions |
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| 267 | CACHE => { |
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| 268 | EXTCONFIG => '.config', # ext cache, commit version info |
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| 269 | PCKFILE => '.pck_file', # bld cache, source package list |
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| 270 | PCKPPDEPEND => '.pck_ppdepend', # bld cache, source package PP dependency |
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| 271 | PCKDEPEND => '.pck_depend', # bld cache, source package dependency |
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| 272 | BLDTOOL => '.bld_tool', # bld cache, build tool list |
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| 273 | PPOPTION => '.bld_pp', # bld cache, PP option |
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| 274 | EXE_DEP => '.exe_dep', # bld cache, executable extra dependency |
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| 275 | }, |
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| 276 | |
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| 277 | # Input file name extension and type |
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| 278 | # (may overlap with output and vpath, see below) |
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| 279 | INFILE_EXT => { |
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| 280 | # General extensions |
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| 281 | 'f' => 'FORTRAN::SOURCE', |
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| 282 | 'for' => 'FORTRAN::SOURCE', |
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| 283 | 'ftn' => 'FORTRAN::SOURCE', |
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| 284 | 'f77' => 'FORTRAN::SOURCE', |
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| 285 | 'f90' => 'FORTRAN::FORTRAN9X::SOURCE', |
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| 286 | 'f95' => 'FORTRAN::FORTRAN9X::SOURCE', |
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| 287 | 'F' => 'FPP::SOURCE', |
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| 288 | 'FOR' => 'FPP::SOURCE', |
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| 289 | 'FTN' => 'FPP::SOURCE', |
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| 290 | 'F77' => 'FPP::SOURCE', |
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| 291 | 'F90' => 'FPP::FPP9X::SOURCE', |
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| 292 | 'F95' => 'FPP::FPP9X::SOURCE', |
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| 293 | 'c' => 'C::SOURCE', |
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| 294 | 'cpp' => 'C::C++::SOURCE', |
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| 295 | 'h' => 'CPP::INCLUDE', |
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| 296 | 'o' => 'BINARY::OBJ', |
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| 297 | 'obj' => 'BINARY::OBJ', |
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| 298 | 'exe' => 'BINARY::EXE', |
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| 299 | 'a' => 'BINARY::LIB', |
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| 300 | 'sh' => 'SHELL::SCRIPT', |
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| 301 | 'ksh' => 'SHELL::SCRIPT', |
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| 302 | 'bash' => 'SHELL::SCRIPT', |
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| 303 | 'csh' => 'SHELL::SCRIPT', |
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| 304 | 'pl' => 'PERL::SCRIPT', |
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| 305 | 'pm' => 'PERL::SCRIPT', |
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| 306 | 'py' => 'PYTHON::SCRIPT', |
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| 307 | 'tcl' => 'TCL::SCRIPT', |
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| 308 | 'pro' => 'PVWAVE::SCRIPT', |
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| 309 | |
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| 310 | # Local extensions |
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| 311 | 'cfg' => 'CFGFILE', |
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| 312 | 'h90' => 'CPP::INCLUDE', |
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| 313 | 'inc' => 'FORTRAN::FORTRAN9X::INCLUDE', |
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| 314 | 'interface' => 'FORTRAN::FORTRAN9X::INCLUDE::INTERFACE', |
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| 315 | }, |
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| 316 | |
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| 317 | # Input file name pattern and type |
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| 318 | INFILE_PAT => { |
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| 319 | '\w+Scr_\w+' => 'SHELL::SCRIPT', |
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| 320 | '\w+Comp_\w+' => 'SHELL::SCRIPT::GENTASK', |
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| 321 | '\w+(?:IF|Interface)_\w+' => 'SHELL::SCRIPT::GENIF', |
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| 322 | '\w+Suite_\w+' => 'SHELL::SCRIPT::GENSUITE', |
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| 323 | '\w+List_\w+' => 'SHELL::SCRIPT::GENLIST', |
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| 324 | '\w+Sql_\w+' => 'SCRIPT::SQL', |
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| 325 | }, |
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| 326 | |
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| 327 | # Input text file pattern and type |
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| 328 | INFILE_TXT => { |
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| 329 | '(?:[ck]|ba)?sh' => 'SHELL::SCRIPT', |
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| 330 | 'perl' => 'PERL::SCRIPT', |
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| 331 | 'python' => 'PYTHON::SCRIPT', |
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| 332 | 'tcl(?:sh)?|wish' => 'TCL::SCRIPT', |
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| 333 | }, |
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| 334 | |
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| 335 | # Ignore input files matching the following names (comma-separated list) |
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| 336 | INFILE_IGNORE => 'fcm_env.ksh', |
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| 337 | |
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| 338 | # Output file type and extension |
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| 339 | # (may overlap with input (above) and vpath (below)) |
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| 340 | OUTFILE_EXT => { |
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| 341 | CFG => '.cfg', # FCM configuration file |
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| 342 | DONE => '.done', # "done" files for compiled source |
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| 343 | ETC => '.etc', # "etc" dummy file |
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| 344 | EXE => '.exe', # binary executables |
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| 345 | FLAGS => '.flags', # "flags" files, compiler flags config |
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| 346 | IDONE => '.idone', # "done" files for included source |
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| 347 | INTERFACE => '.interface', # interface for F90 subroutines/functions |
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| 348 | LIB => '.a', # archive object library |
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| 349 | MK => '.mk', # dependency files, Makefile fragments |
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| 350 | MOD => '.mod', # compiled Fortran module information files |
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| 351 | OBJ => '.o', # compiled object files |
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| 352 | PDONE => '.pdone', # "done" files for pre-processed files |
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| 353 | TAR => '.tar', # TAR archive |
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| 354 | }, |
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| 355 | |
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| 356 | # VPATH, each value must be a comma separate list |
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| 357 | # EMPTY translates to % |
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| 358 | # IN:<FLAG> translates to any key in {INFILE_EXT} if the value contains |
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| 359 | # the word in <FLAG> |
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| 360 | # OUT:<FLAG> translates to {OUTFILE_EXT}{<FLAG>} |
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| 361 | VPATH => { |
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| 362 | BIN => 'EMPTY,OUT:EXE,IN:SCRIPT', |
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| 363 | BLD => 'OUT:MK', |
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| 364 | DONE => 'OUT:DONE,OUT:IDONE,OUT:ETC', |
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| 365 | FLAGS => 'OUT:FLAGS', |
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| 366 | INC => 'IN:INCLUDE', |
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| 367 | LIB => 'OUT:LIB', |
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| 368 | OBJ => 'OUT:OBJ', |
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| 369 | }, |
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| 370 | |
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| 371 | # Dependency scan types for pre-processing |
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| 372 | PP_DEP_TYPE => { |
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| 373 | FPP => 'H', |
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| 374 | CPP => 'H', |
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| 375 | C => 'H', |
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| 376 | }, |
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| 377 | |
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| 378 | # Dependency scan types |
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| 379 | DEP_TYPE => { |
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| 380 | FORTRAN => 'USE::INTERFACE::INC::OBJ', |
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| 381 | FPP => 'USE::INTERFACE::INC::H::OBJ', |
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| 382 | CPP => 'H::OBJ', |
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| 383 | C => 'H::OBJ', |
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| 384 | SCRIPT => 'EXE', |
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| 385 | }, |
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| 386 | |
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| 387 | # Dependency pattern for each type |
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| 388 | DEP_PATTERN => { |
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| 389 | H => q/^#\s*include\s*['"](\S+)['"]/, |
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| 390 | USE => q/^\s*use\s+(\w+)/, |
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| 391 | INTERFACE => q/^#?\s*include\s+['"](\S+##OUTFILE_EXT::INTERFACE##)['"]/, |
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| 392 | INC => q/^\s*include\s+['"](\S+)['"]/, |
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| 393 | OBJ => q#^\s*(?:/\*|!)\s*depends\s*on\s*:\s*(\S+)#, |
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| 394 | EXE => q/^\s*(?:#|;)\s*(?:calls|list|if|interface)\s*:\s*(\S+)/, |
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| 395 | }, |
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| 396 | |
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| 397 | # Types that always need to be built |
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| 398 | ALWAYS_BUILD_TYPE => 'PVWAVE,GENLIST,SQL', |
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| 399 | |
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| 400 | # Types that cannot have duplicated targets |
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| 401 | NO_DUPLICATED_TARGET_TYPE => '', |
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| 402 | |
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| 403 | # Excluded dependency |
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| 404 | EXCL_DEP => { |
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| 405 | # Fortran intrinsic modules |
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| 406 | 'USE::ISO_C_BINDING' => {'' => 1}, |
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| 407 | 'USE::IEEE_EXCEPTIONS' => {'' => 1}, |
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| 408 | 'USE::IEEE_ARITHMETIC' => {'' => 1}, |
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| 409 | 'USE::IEEE_FEATURES' => {'' => 1}, |
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| 410 | |
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| 411 | # Fortran intrinsic subroutines |
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| 412 | 'OBJ::CPU_TIME' => {'' => 1}, |
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| 413 | 'OBJ::GET_COMMAND' => {'' => 1}, |
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| 414 | 'OBJ::GET_COMMAND_ARGUMENT' => {'' => 1}, |
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| 415 | 'OBJ::GET_ENVIRONMENT_VARIABLE' => {'' => 1}, |
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| 416 | 'OBJ::MOVE_ALLOC' => {'' => 1}, |
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| 417 | 'OBJ::MVBITS' => {'' => 1}, |
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| 418 | 'OBJ::RANDOM_NUMBER' => {'' => 1}, |
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| 419 | 'OBJ::RANDOM_SEED' => {'' => 1}, |
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| 420 | 'OBJ::SYSTEM_CLOCK' => {'' => 1}, |
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| 421 | |
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| 422 | # Dummy statements |
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| 423 | 'OBJ::NONE' => {'' => 1}, |
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| 424 | 'EXE::NONE' => {'' => 1}, |
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| 425 | }, |
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| 426 | |
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| 427 | # Extra executable dependencies |
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| 428 | EXE_DEP => {}, |
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| 429 | |
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| 430 | # Fortran BLOCKDATA dependencies |
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| 431 | BLOCKDATA => {}, |
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| 432 | |
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| 433 | # Rename main program targets |
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| 434 | EXE_NAME => {}, |
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| 435 | |
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| 436 | # Build sub-directories that can be archived by "tar" |
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| 437 | TAR_DIRS => 'BLD,CACHE,DONE,FLAGS,INC,PPSRC,OBJ', |
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| 438 | |
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| 439 | # Misc |
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| 440 | MISC => { |
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| 441 | CPDUMMY => '$(FCM_DONEDIR)/FCM_CP.dummy', |
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| 442 | # build system "copy" dummy target |
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| 443 | DIR_SEPARATOR => '/', # repository directory separator |
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| 444 | EXPURL_PREFIX => 'fcm:', # expandable URL keyword prefix |
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| 445 | LOCK_BLD => 'fcm.bld.lock', # build lock file |
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| 446 | LOCK_EXT => 'fcm.ext.lock', # extract lock file |
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| 447 | MAKEFILE => 'Makefile', # name of Makefile |
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| 448 | RUN_ENV_SH => 'fcm_env.ksh', # bld runtime environment shell script |
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| 449 | WEB_BROWSER => 'firefox', # web browser |
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| 450 | }, |
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| 451 | |
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| 452 | # URL, revision, and Trac URL keywords |
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| 453 | URL => {}, |
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| 454 | REVISION => {}, |
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| 455 | TRAC => {}, |
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| 456 | }, |
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| 457 | }; |
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| 458 | |
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| 459 | # Backward compatibility: the REPOS setting is equivalent to the URL setting |
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| 460 | $self->{SETTING}{REPOS} = $self->{SETTING}{URL}; |
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| 461 | |
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| 462 | bless $self, $class; |
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| 463 | return $self; |
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| 464 | } |
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| 465 | |
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| 466 | # ------------------------------------------------------------------------------ |
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| 467 | # SYNOPSIS |
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| 468 | # $file = $config->central_config (); |
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| 469 | # $config->central_config ($file); |
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| 470 | # |
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| 471 | # DESCRIPTION |
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| 472 | # This method returns the path name of the central configuration file. If an |
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| 473 | # argument $file is specified, the path name of the central configuration |
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| 474 | # file is set to its value. |
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| 475 | # ------------------------------------------------------------------------------ |
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| 476 | |
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| 477 | sub central_config { |
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| 478 | my $self = shift; |
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| 479 | |
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| 480 | if (@_) { |
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| 481 | $self->{CNTL_CONFIG} = $_[0]; |
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| 482 | } |
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| 483 | |
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| 484 | return $self->{CNTL_CONFIG}; |
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| 485 | } |
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| 486 | |
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| 487 | # ------------------------------------------------------------------------------ |
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| 488 | # SYNOPSIS |
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| 489 | # $file = $config->user_config (); |
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| 490 | # $config->user_config ($file); |
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| 491 | # |
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| 492 | # DESCRIPTION |
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| 493 | # This method returns the path name of the user configuration file. If an |
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| 494 | # argument $file is specified, the path name of the user configuration file |
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| 495 | # is set to its value. |
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| 496 | # ------------------------------------------------------------------------------ |
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| 497 | |
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| 498 | sub user_config { |
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| 499 | my $self = shift; |
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| 500 | |
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| 501 | if (@_) { |
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| 502 | $self->{USER_CONFIG} = $_[0]; |
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| 503 | } |
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| 504 | |
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| 505 | return $self->{USER_CONFIG}; |
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| 506 | } |
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| 507 | |
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| 508 | # ------------------------------------------------------------------------------ |
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| 509 | # SYNOPSIS |
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| 510 | # $mode = $config->verbose (); |
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| 511 | # $config->verbose ($mode); |
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| 512 | # |
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| 513 | # DESCRIPTION |
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| 514 | # This method returns the diagnostic verbose level. If an argument $mode is |
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| 515 | # specified, the diagnostic verbose level is set to its value. |
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| 516 | # ------------------------------------------------------------------------------ |
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| 517 | |
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| 518 | sub verbose { |
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| 519 | my $self = shift; |
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| 520 | |
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| 521 | if (@_) { |
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| 522 | $self->{VERBOSE} = $_[0]; |
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| 523 | } |
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| 524 | |
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| 525 | return $self->{VERBOSE}; |
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| 526 | } |
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| 527 | |
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| 528 | # ------------------------------------------------------------------------------ |
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| 529 | # SYNOPSIS |
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| 530 | # $setting = $config->setting (arg, [...]); |
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| 531 | # |
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| 532 | # DESCRIPTION |
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| 533 | # This method returns an item under the SETTING hash table. The depth within |
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| 534 | # the hash table is given by the list of arguments, which should match with |
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| 535 | # the keys in the multi-dimension SETTING hash table. |
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| 536 | # ------------------------------------------------------------------------------ |
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| 537 | |
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| 538 | sub setting { |
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| 539 | my $self = shift; |
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| 540 | |
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| 541 | if (@_) { |
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| 542 | my $label = shift; |
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| 543 | my $setting = $self->{SETTING}; |
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| 544 | return _get_hash_value ($setting->{$label}, @_) if exists $setting->{$label}; |
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| 545 | } |
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| 546 | |
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| 547 | return undef; |
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| 548 | |
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| 549 | } |
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| 550 | |
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| 551 | # ------------------------------------------------------------------------------ |
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| 552 | # SYNOPSIS |
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| 553 | # $config->assign_setting ( |
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| 554 | # LABELS => \@labels, # setting labels |
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| 555 | # VALUE => $value, # setting value |
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| 556 | # ); |
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| 557 | # |
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| 558 | # DESCRIPTION |
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| 559 | # This method assigns a VALUE to a SETTING specified by the names in LABEL. |
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| 560 | # ------------------------------------------------------------------------------ |
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| 561 | |
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| 562 | sub assign_setting { |
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| 563 | my $self = shift; |
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| 564 | my %args = @_; |
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| 565 | |
---|
| 566 | my @labels = exists $args{LABELS} ? @{ $args{LABELS} } : (); |
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| 567 | my $value = exists $args{VALUE} ? $args{VALUE} : undef; |
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| 568 | |
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| 569 | my $setting = $self->{SETTING}; |
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| 570 | while (defined (my $label = shift @labels)) { |
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| 571 | if (exists $setting->{$label}) { |
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| 572 | if (ref $setting->{$label}) { |
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| 573 | $setting = $setting->{$label}; |
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| 574 | |
---|
| 575 | } else { |
---|
| 576 | $setting->{$label} = $value; |
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| 577 | last; |
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| 578 | } |
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| 579 | |
---|
| 580 | } else { |
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| 581 | if (@labels) { |
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| 582 | $setting->{$label} = {}; |
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| 583 | $setting = $setting->{$label}; |
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| 584 | |
---|
| 585 | } else { |
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| 586 | $setting->{$label} = $value; |
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| 587 | } |
---|
| 588 | } |
---|
| 589 | } |
---|
| 590 | |
---|
| 591 | return; |
---|
| 592 | } |
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| 593 | |
---|
| 594 | # ------------------------------------------------------------------------------ |
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| 595 | # SYNOPSIS |
---|
| 596 | # $variable = $config->variable ([arg]); |
---|
| 597 | # |
---|
| 598 | # DESCRIPTION |
---|
| 599 | # If arg is set, this method returns the value of a variable named arg. If |
---|
| 600 | # arg is not set, this method returns the VARIABLE hash. |
---|
| 601 | # ------------------------------------------------------------------------------ |
---|
| 602 | |
---|
| 603 | sub variable { |
---|
| 604 | my $self = shift; |
---|
| 605 | |
---|
| 606 | my $variable = $self->{VARIABLE}; |
---|
| 607 | |
---|
| 608 | if (@_) { |
---|
| 609 | my $label = shift; |
---|
| 610 | return exists $variable->{$label} ? $variable->{$label} : undef; |
---|
| 611 | |
---|
| 612 | } else { |
---|
| 613 | return %{ $variable }; |
---|
| 614 | } |
---|
| 615 | } |
---|
| 616 | |
---|
| 617 | # ------------------------------------------------------------------------------ |
---|
| 618 | # SYNOPSIS |
---|
| 619 | # $config->assign_variable ( |
---|
| 620 | # LABEL => $label, # variable label |
---|
| 621 | # VALUE => $value, # variable value |
---|
| 622 | # ); |
---|
| 623 | # |
---|
| 624 | # DESCRIPTION |
---|
| 625 | # This method assigns a VALUE to a VARIABLE named by LABEL. |
---|
| 626 | # ------------------------------------------------------------------------------ |
---|
| 627 | |
---|
| 628 | sub assign_variable { |
---|
| 629 | my $self = shift; |
---|
| 630 | my %args = @_; |
---|
| 631 | |
---|
| 632 | my $label = exists $args{LABEL} ? $args{LABEL} : undef; |
---|
| 633 | my $value = exists $args{VALUE} ? $args{VALUE} : undef; |
---|
| 634 | |
---|
| 635 | if ($label) { |
---|
| 636 | $self->{VARIABLE}{$label} = $value; |
---|
| 637 | } |
---|
| 638 | |
---|
| 639 | return; |
---|
| 640 | } |
---|
| 641 | |
---|
| 642 | # ------------------------------------------------------------------------------ |
---|
| 643 | # SYNOPSIS |
---|
| 644 | # $config->get_config (); |
---|
| 645 | # |
---|
| 646 | # DESCRIPTION |
---|
| 647 | # This method reads the configuration settings from the central and the user |
---|
| 648 | # configuration files. |
---|
| 649 | # ------------------------------------------------------------------------------ |
---|
| 650 | |
---|
| 651 | sub get_config { |
---|
| 652 | my $self = shift; |
---|
| 653 | |
---|
| 654 | $self->_read_config_file ($self->{CNTL_CONFIG}) if $self->{CNTL_CONFIG}; |
---|
| 655 | $self->_read_config_file ($self->{USER_CONFIG}) if $self->{USER_CONFIG}; |
---|
| 656 | |
---|
| 657 | return; |
---|
| 658 | } |
---|
| 659 | |
---|
| 660 | # ------------------------------------------------------------------------------ |
---|
| 661 | # SYNOPSIS |
---|
| 662 | # $config->_read_config_file (); |
---|
| 663 | # |
---|
| 664 | # DESCRIPTION |
---|
| 665 | # This internal method reads a configuration file and assign values to the |
---|
| 666 | # attributes of the current instance. |
---|
| 667 | # ------------------------------------------------------------------------------ |
---|
| 668 | |
---|
| 669 | sub _read_config_file { |
---|
| 670 | my $self = shift; |
---|
| 671 | my $config_file = $_[0]; |
---|
| 672 | |
---|
| 673 | return undef unless -r $config_file; |
---|
| 674 | |
---|
| 675 | my $cfgfile = Fcm::CfgFile->new (SRC => $config_file, TYPE => 'FCM'); |
---|
| 676 | $cfgfile->read_cfg (); |
---|
| 677 | my @lines = $cfgfile->lines (); |
---|
| 678 | |
---|
| 679 | LINE: for my $line (@lines) { |
---|
| 680 | my $label = $line->{LABEL}; |
---|
| 681 | my $value = $line->{VALUE}; |
---|
| 682 | |
---|
| 683 | next unless $label; |
---|
| 684 | |
---|
| 685 | # "Environment variables" start with $ |
---|
| 686 | if ($label =~ s/^\$([A-Za-z_]\w*)$/$1/) { |
---|
| 687 | $ENV{$label} = $value; |
---|
| 688 | next LINE; |
---|
| 689 | } |
---|
| 690 | |
---|
| 691 | # "Settings variables" start with "set::" |
---|
| 692 | my @tags = map {uc $_} split (/::/, $label); |
---|
| 693 | if ($tags[0] eq uc $self->{SETTING}{CFG_LABEL}{SETTING}) { |
---|
| 694 | shift @tags; |
---|
| 695 | $self->assign_setting (LABELS => \@tags, VALUE => $value); |
---|
| 696 | next LINE; |
---|
| 697 | } |
---|
| 698 | |
---|
| 699 | # Not a standard setting variable, put in internal variable list |
---|
| 700 | $label =~ s/^\%//; |
---|
| 701 | $self->assign_variable (LABEL => $label, VALUE => $value); |
---|
| 702 | } |
---|
| 703 | |
---|
| 704 | 1; |
---|
| 705 | } |
---|
| 706 | |
---|
| 707 | # ------------------------------------------------------------------------------ |
---|
| 708 | # SYNOPSIS |
---|
| 709 | # $ref = _get_hash_value (arg1, arg2, ...); |
---|
| 710 | # |
---|
| 711 | # DESCRIPTION |
---|
| 712 | # This internal method recursively gets a value from a multi-dimensional |
---|
| 713 | # hash. |
---|
| 714 | # ------------------------------------------------------------------------------ |
---|
| 715 | |
---|
| 716 | sub _get_hash_value { |
---|
| 717 | my $value = shift; |
---|
| 718 | |
---|
| 719 | while (defined (my $arg = shift)) { |
---|
| 720 | if (exists $value->{$arg}) { |
---|
| 721 | $value = $value->{$arg}; |
---|
| 722 | |
---|
| 723 | } else { |
---|
| 724 | return undef; |
---|
| 725 | } |
---|
| 726 | } |
---|
| 727 | |
---|
| 728 | return $value; |
---|
| 729 | } |
---|
| 730 | |
---|
| 731 | # ------------------------------------------------------------------------------ |
---|
| 732 | |
---|
| 733 | 1; |
---|
| 734 | |
---|
| 735 | __END__ |
---|