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#!/usr/bin/perl |
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package Goo::Thing::pm::Perl5ModuleInspector; |
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############################################################################### |
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# Nigel Hamilton |
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# |
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# Copyright Nigel Hamilton 2003 |
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# All rights reserved |
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# |
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# Author: Nigel Hamilton |
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# Filename: Perl5ModuleInspector.pm |
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# Description: Generate documentation on a perl file based on documentation |
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# standards like this file as an example |
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# |
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# Date Change |
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# ---------------------------------------------------------------------------- |
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# 22/3/2003 Version 1 |
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# |
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############################################################################## |
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use strict; |
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use Goo::Object; |
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use Goo::FileUtilities; |
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1
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834
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# use ModuleLocations; |
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our @ISA = ("Goo::Object"); |
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############################################################################## |
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# |
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# new - constructor |
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# |
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############################################################################## |
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sub new { |
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my ($class, $filename) = @_; |
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0
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my $this = $class->SUPER::new(); |
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# append filename to the end if need be |
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# if ($filename !~ /\.pm$/) { $filename .= ".pm"; } |
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unless ($filename) { die("No filename to generate documentation."); } |
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47
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48
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$this->{filename} = $filename; # the full filename + path |
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$this->{program} = Goo::FileUtilities::get_file_as_string($filename); |
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0
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return $this; |
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53
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} |
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56
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############################################################################## |
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# |
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# get_program - return the fully slurped file |
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# |
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############################################################################## |
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62
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sub get_program { |
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64
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my ($this) = @_; |
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66
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return $this->{program}; |
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68
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} |
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70
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71
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############################################################################## |
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# |
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# get_uses_list - return a list of all the modules that this script uses |
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# |
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############################################################################## |
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77
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sub get_uses_list { |
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my ($this) = @_; |
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81
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my @modules = $this->{program} =~ m/^use\s+([\w\:]+)/mg; |
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83
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# don't include strict or other pragmas |
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return grep { $_ !~ /(strict|^[a-z])/ } @modules; |
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85
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86
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} |
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88
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89
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############################################################################## |
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# |
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# get_methods - return a list of methods in the script |
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# |
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93
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############################################################################## |
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95
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sub get_methods { |
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my ($this) = @_; |
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99
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my @methods = $this->{program} =~ m/sub\s+(\w+)/mgi; |
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101
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# add a main method |
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unshift(@methods, "main"); |
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104
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return @methods; |
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106
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} |
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108
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109
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############################################################################## |
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# |
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# get_method_signature - return a signature for a method |
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# |
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113
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############################################################################## |
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115
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sub get_method_signature { |
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117
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my ($this, $method) = @_; |
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119
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# hard wire a description for the special main method |
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0
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return "Main body" if ($method eq "main"); |
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121
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122
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0
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return $this->{signatures}->{$method}; |
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124
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} |
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126
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127
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############################################################################## |
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128
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# |
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129
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# calculate_method_signatures - return a hash of method signatures |
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# keyed on method name |
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# |
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132
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############################################################################## |
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133
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134
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sub calculate_method_signatures { |
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136
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my ($this) = @_; |
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137
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138
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0
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$this->{signatures} = {}; |
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139
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140
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# there is always a main method |
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0
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$this->{signatures}->{main} = "use strict"; |
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142
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143
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0
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foreach my $method ($this->get_methods()) { |
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145
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# match the method and signature |
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0
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$this->{program} =~ m/sub\s+$method\s+\{\s+my\s+\((.*?)\)/is; |
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0
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$this->{signatures}->{$method} = $1; |
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149
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} |
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151
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} |
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153
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154
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############################################################################## |
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# |
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156
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# get_full_path - return the full path |
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# |
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158
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############################################################################## |
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159
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160
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sub get_full_path { |
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162
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0
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my ($this) = @_; |
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163
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164
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0
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return $this->{filename}; |
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165
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166
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} |
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167
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168
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169
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############################################################################## |
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# |
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# get_filename - return the filename |
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# |
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173
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############################################################################## |
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174
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175
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sub get_filename { |
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177
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my ($this) = @_; |
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178
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179
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0
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$this->{filename} =~ m|.*/(.*?)$|; |
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180
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181
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0
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return $1; |
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182
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183
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} |
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184
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185
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186
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############################################################################## |
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187
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# |
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188
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# has_constructor - does the program have a constructor? |
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189
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# |
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190
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############################################################################## |
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191
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192
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sub has_constructor { |
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193
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194
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0
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0
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my ($this) = @_; |
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195
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196
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my @constructor = grep { $_ eq "new" } $this->get_methods(); |
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0
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197
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198
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0
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return scalar(@constructor) == 1; |
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199
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200
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} |
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201
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202
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203
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############################################################################## |
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204
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# |
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205
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# get_matching_line_number - return the number of the line that matches |
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206
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# |
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207
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############################################################################## |
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208
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209
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sub get_matching_line_number { |
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210
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211
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0
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1
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my ($this, $regex) = @_; |
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212
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213
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0
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my @lines = split(/\n/, $this->{program}); |
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214
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215
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0
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my $linecount = 0; |
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216
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217
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0
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foreach my $line (@lines) { |
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218
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219
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0
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$linecount++; |
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220
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221
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0
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0
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if ($line =~ /$regex/) { |
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222
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223
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# add 5 to get into the body of the method |
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224
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0
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return $linecount + 5; |
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225
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} |
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226
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227
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} |
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228
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229
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} |
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230
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231
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232
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############################################################################## |
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# |
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# get_author - return the name of the author |
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# |
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############################################################################## |
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237
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238
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sub get_author { |
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239
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240
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0
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1
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my ($this) = @_; |
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241
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242
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0
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$this->{program} =~ m/Author:\s+(\w+)\s+(\w+)/; |
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243
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244
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0
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return $1 . " " . $2; |
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245
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246
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} |
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247
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248
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249
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1; |
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250
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251
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252
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__END__ |
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253
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254
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=head1 NAME |
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255
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256
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Goo::Thing::pm::Perl5ModuleInspector - Inspect the DOM of a Perl5 module |
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257
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258
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=head1 SYNOPSIS |
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259
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260
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use Goo::Thing::pm::Perl5ModuleInspector; |
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261
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262
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=head1 DESCRIPTION |
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263
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264
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265
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266
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=head1 METHODS |
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267
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268
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=over |
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269
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270
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=item new |
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271
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272
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constructor |
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273
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274
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=item get_program |
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275
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276
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return the fully slurped file |
|
277
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278
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=item get_uses_list |
|
279
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|
280
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return a list of all the modules that this script uses |
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281
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|
282
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|
=item get_methods |
|
283
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|
284
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|
return a list of methods in the script |
|
285
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|
286
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|
|
=item get_method_signature |
|
287
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|
288
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|
|
return a signature for a method |
|
289
|
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|
290
|
|
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|
|
=item calculate_method_signatures |
|
291
|
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|
292
|
|
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|
|
|
return a hash of method signatures |
|
293
|
|
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|
294
|
|
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|
|
=item get_full_path |
|
295
|
|
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|
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|
|
|
|
296
|
|
|
|
|
|
|
return the full path |
|
297
|
|
|
|
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|
|
|
|
298
|
|
|
|
|
|
|
=item get_filename |
|
299
|
|
|
|
|
|
|
|
|
300
|
|
|
|
|
|
|
return the filename |
|
301
|
|
|
|
|
|
|
|
|
302
|
|
|
|
|
|
|
=item get_description |
|
303
|
|
|
|
|
|
|
|
|
304
|
|
|
|
|
|
|
get the module description |
|
305
|
|
|
|
|
|
|
|
|
306
|
|
|
|
|
|
|
=item has_constructor |
|
307
|
|
|
|
|
|
|
|
|
308
|
|
|
|
|
|
|
does the program have a constructor? |
|
309
|
|
|
|
|
|
|
|
|
310
|
|
|
|
|
|
|
=item get_matching_line_number |
|
311
|
|
|
|
|
|
|
|
|
312
|
|
|
|
|
|
|
return the number of the line that matches |
|
313
|
|
|
|
|
|
|
|
|
314
|
|
|
|
|
|
|
=item get_author |
|
315
|
|
|
|
|
|
|
|
|
316
|
|
|
|
|
|
|
return the name of the author |
|
317
|
|
|
|
|
|
|
|
|
318
|
|
|
|
|
|
|
|
|
319
|
|
|
|
|
|
|
=back |
|
320
|
|
|
|
|
|
|
|
|
321
|
|
|
|
|
|
|
=head1 AUTHOR |
|
322
|
|
|
|
|
|
|
|
|
323
|
|
|
|
|
|
|
Nigel Hamilton <nigel@trexy.com> |
|
324
|
|
|
|
|
|
|
|
|
325
|
|
|
|
|
|
|
=head1 SEE ALSO |
|
326
|
|
|
|
|
|
|
|