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 | |
---|
480 | if (@_) { |
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481 | $self->{CNTL_CONFIG} = $_[0]; |
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482 | } |
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483 | |
---|
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 | # |
---|
492 | # DESCRIPTION |
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493 | # This method returns the path name of the user configuration file. If an |
---|
494 | # argument $file is specified, the path name of the user configuration file |
---|
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 | |
---|
501 | if (@_) { |
---|
502 | $self->{USER_CONFIG} = $_[0]; |
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503 | } |
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504 | |
---|
505 | return $self->{USER_CONFIG}; |
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506 | } |
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507 | |
---|
508 | # ------------------------------------------------------------------------------ |
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509 | # SYNOPSIS |
---|
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. |
---|
516 | # ------------------------------------------------------------------------------ |
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517 | |
---|
518 | sub verbose { |
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519 | my $self = shift; |
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520 | |
---|
521 | if (@_) { |
---|
522 | $self->{VERBOSE} = $_[0]; |
---|
523 | } |
---|
524 | |
---|
525 | return $self->{VERBOSE}; |
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526 | } |
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527 | |
---|
528 | # ------------------------------------------------------------------------------ |
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529 | # SYNOPSIS |
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530 | # $setting = $config->setting (arg, [...]); |
---|
531 | # |
---|
532 | # DESCRIPTION |
---|
533 | # This method returns an item under the SETTING hash table. The depth within |
---|
534 | # the hash table is given by the list of arguments, which should match with |
---|
535 | # the keys in the multi-dimension SETTING hash table. |
---|
536 | # ------------------------------------------------------------------------------ |
---|
537 | |
---|
538 | sub setting { |
---|
539 | my $self = shift; |
---|
540 | |
---|
541 | if (@_) { |
---|
542 | my $label = shift; |
---|
543 | my $setting = $self->{SETTING}; |
---|
544 | return _get_hash_value ($setting->{$label}, @_) if exists $setting->{$label}; |
---|
545 | } |
---|
546 | |
---|
547 | return undef; |
---|
548 | |
---|
549 | } |
---|
550 | |
---|
551 | # ------------------------------------------------------------------------------ |
---|
552 | # SYNOPSIS |
---|
553 | # $config->assign_setting ( |
---|
554 | # LABELS => \@labels, # setting labels |
---|
555 | # VALUE => $value, # setting value |
---|
556 | # ); |
---|
557 | # |
---|
558 | # DESCRIPTION |
---|
559 | # This method assigns a VALUE to a SETTING specified by the names in LABEL. |
---|
560 | # ------------------------------------------------------------------------------ |
---|
561 | |
---|
562 | sub assign_setting { |
---|
563 | my $self = shift; |
---|
564 | my %args = @_; |
---|
565 | |
---|
566 | my @labels = exists $args{LABELS} ? @{ $args{LABELS} } : (); |
---|
567 | my $value = exists $args{VALUE} ? $args{VALUE} : undef; |
---|
568 | |
---|
569 | my $setting = $self->{SETTING}; |
---|
570 | while (defined (my $label = shift @labels)) { |
---|
571 | if (exists $setting->{$label}) { |
---|
572 | if (ref $setting->{$label}) { |
---|
573 | $setting = $setting->{$label}; |
---|
574 | |
---|
575 | } else { |
---|
576 | $setting->{$label} = $value; |
---|
577 | last; |
---|
578 | } |
---|
579 | |
---|
580 | } else { |
---|
581 | if (@labels) { |
---|
582 | $setting->{$label} = {}; |
---|
583 | $setting = $setting->{$label}; |
---|
584 | |
---|
585 | } else { |
---|
586 | $setting->{$label} = $value; |
---|
587 | } |
---|
588 | } |
---|
589 | } |
---|
590 | |
---|
591 | return; |
---|
592 | } |
---|
593 | |
---|
594 | # ------------------------------------------------------------------------------ |
---|
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__ |
---|