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package XML::GrammarBase::Role::RelaxNG; |
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use strict; |
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use warnings; |
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=head1 NAME |
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XML::GrammarBase::Role::RelaxNG - base class for a RelaxNG validator |
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=head1 VERSION |
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Version 0.2.3 |
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=cut |
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use MooX::Role 'late'; |
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use File::ShareDir qw(dist_dir); |
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use XML::LibXML '2.0017'; |
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with ('XML::GrammarBase::Role::DataDir'); |
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our $VERSION = '0.2.3'; |
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has 'rng_schema_basename' => (isa => 'Str', is => 'rw'); |
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has '_rng' => |
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( |
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isa => 'XML::LibXML::RelaxNG', |
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is => 'rw', |
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default => sub { return shift->_calc_default_rng_schema; }, |
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lazy => 1, |
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); |
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sub _calc_default_rng_schema |
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{ |
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my ($self) = @_; |
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my $rngschema = |
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XML::LibXML::RelaxNG->new( |
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location => |
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$self->dist_path_slot('rng_schema_basename'), |
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); |
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return $rngschema; |
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} |
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sub rng_validate_dom |
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{ |
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my ($self, $source_dom) = @_; |
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my $ret_code; |
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eval |
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{ |
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$ret_code = $self->_rng()->validate($source_dom); |
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}; |
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if (defined($ret_code) && ($ret_code == 0)) |
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{ |
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# It's OK. |
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} |
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else |
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{ |
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confess "RelaxNG validation failed [\$ret_code == " |
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. $self->_undefize($ret_code) . " ; $@]" |
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; |
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} |
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return; |
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} |
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sub _calc_parser |
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{ |
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my ($self) = @_; |
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my $xml_parser = XML::LibXML->new(); |
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$xml_parser->validation(0); |
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$xml_parser->load_ext_dtd(0); |
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$xml_parser->no_network(1); |
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return $xml_parser; |
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} |
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sub rng_validate_file |
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{ |
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my ($self, $filename) = @_; |
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my $dom = $self->_calc_parser()->parse_file($filename); |
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return $self->rng_validate_dom($dom); |
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} |
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sub rng_validate_string |
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{ |
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my ($self, $xml_string) = @_; |
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my $dom = $self->_calc_parser()->parse_string($xml_string); |
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return $self->rng_validate_dom($dom); |
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} |
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104
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=head1 SYNOPSIS |
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106
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package XML::Grammar::MyGrammar::RelaxNG::Validate; |
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108
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use MooX 'late'; |
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110
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with ('XML::GrammarBase::Role::RelaxNG'); |
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112
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has '+module_base' => (default => 'XML::Grammar::MyGrammar'); |
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has '+rng_schema_basename' => (default => 'my-grammar.rng'); |
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115
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package main; |
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117
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my $rnger = XML::Grammar::MyGrammar::RelaxNG::Validate->new( |
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data_dir => "/path/to/data-dir", |
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); |
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121
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# Throws an exception on failure. |
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$rnger->rng_validate_file("/different-path-to-xml-file.xml"); |
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124
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=head1 SLOTS |
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126
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=head2 module_base |
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128
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The basename of the module - used for dist dir. |
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130
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=head2 data_dir |
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132
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The data directory where the XML assets can be found (the RELAX NG schema, etc.) |
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134
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=head2 rng_schema_basename |
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136
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The Relax NG Schema basename. |
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138
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=head1 METHODS |
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140
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=head2 $self->rng_validate_dom($source_dom) |
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142
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Validates the DOM ( $source_dom ) using the RELAX-NG schema. |
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144
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=head2 $self->rng_validate_file($file_path) |
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146
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Validates the file in $file_path using the RELAX-NG schema. |
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148
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=head2 $self->rng_validate_string($xml_string) |
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150
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Validates the XML in the $xml_string using the RELAX-NG schema. |
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152
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=head2 $self->dist_path($basename) |
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154
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Returns the $basename relative to data_dir(). |
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156
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Utility method. |
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158
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=head2 $self->dist_path_slot($slot) |
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160
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Returns the basename of $self->$slot() relative to data_dir(). |
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162
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Utility method. |
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164
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=head2 BUILD |
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166
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L constructor. For internal use. |
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168
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=head1 AUTHOR |
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170
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Shlomi Fish, C<< >> |
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=head1 BUGS |
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174
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Please report any bugs or feature requests to C, or through |
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the web interface at L. I will be notified, and then you'll |
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automatically be notified of progress on your bug as I make changes. |
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=head1 SUPPORT |
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183
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You can find documentation for this module with the perldoc command. |
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185
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perldoc XML::GrammarBase |
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187
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You can also look for information at: |
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189
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=over 4 |
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191
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=item * RT: CPAN's request tracker |
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L |
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195
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=item * AnnoCPAN: Annotated CPAN documentation |
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L |
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=item * CPAN Ratings |
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L |
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203
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=item * Search CPAN |
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L |
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=back |
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210
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=head1 ACKNOWLEDGEMENTS |
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212
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213
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=head1 COPYRIGHT & LICENSE |
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215
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Copyright 2009 Shlomi Fish. |
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217
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This program is distributed under the MIT (X11) License: |
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L |
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220
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Permission is hereby granted, free of charge, to any person |
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obtaining a copy of this software and associated documentation |
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files (the "Software"), to deal in the Software without |
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restriction, including without limitation the rights to use, |
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copy, modify, merge, publish, distribute, sublicense, and/or sell |
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copies of the Software, and to permit persons to whom the |
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Software is furnished to do so, subject to the following |
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conditions: |
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229
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The above copyright notice and this permission notice shall be |
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included in all copies or substantial portions of the Software. |
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232
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, |
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EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES |
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OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND |
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NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT |
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HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, |
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WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING |
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FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR |
239
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OTHER DEALINGS IN THE SOFTWARE. |
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241
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=cut |
242
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243
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1; # End of XML::GrammarBase::RelaxNG::Validate |
244
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