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############################################################################### |
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# |
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# SharedStrings - A class for writing the Excel XLSX sharedStrings file. |
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# |
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# Used in conjunction with Excel::Writer::XLSX |
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# |
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# Copyright 2000-2021, John McNamara, jmcnamara@cpan.org |
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# |
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# Documentation after __END__ |
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# |
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# perltidy with the following options: -mbl=2 -pt=0 -nola |
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use 5.008002; |
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use strict; |
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use warnings; |
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17299
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use Carp; |
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19997
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use Encode; |
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47648
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6173
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use Excel::Writer::XLSX::Package::XMLwriter; |
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559543
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our @ISA = qw(Excel::Writer::XLSX::Package::XMLwriter); |
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our $VERSION = '1.09'; |
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############################################################################### |
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# |
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# Public and private API methods. |
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# |
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############################################################################### |
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############################################################################### |
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# |
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# new() |
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# |
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# Constructor. |
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# |
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my $class = shift; |
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my $fh = shift; |
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897
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897
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my $self = Excel::Writer::XLSX::Package::XMLwriter->new( $fh ); |
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897
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2062
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897
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3708
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$self->{_strings} = []; |
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$self->{_string_count} = 0; |
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897
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2812
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$self->{_unique_count} = 0; |
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897
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2672
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897
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2188
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bless $self, $class; |
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897
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2343
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return $self; |
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} |
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897
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2399
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############################################################################### |
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# |
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# _assemble_xml_file() |
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# |
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# Assemble and write the XML file. |
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# |
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61
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my $self = shift; |
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63
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$self->xml_declaration; |
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249
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249
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697
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# Write the sst table. |
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249
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2306
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$self->_write_sst( $self->{_string_count}, $self->{_unique_count} ); |
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68
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# Write the sst strings. |
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249
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1461
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$self->_write_sst_strings(); |
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71
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# Close the sst tag. |
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249
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998
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$self->xml_end_tag( 'sst' ); |
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74
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# Close the XML writer filehandle. |
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249
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1551
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$self->xml_get_fh()->close(); |
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} |
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78
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249
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2004
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79
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############################################################################### |
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# |
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# _set_string_count() |
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# |
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# Set the total sst string count. |
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# |
85
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86
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my $self = shift; |
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88
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$self->{_string_count} = shift; |
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} |
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249
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249
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640
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91
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92
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249
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2079
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############################################################################### |
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# |
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# _set_unique_count() |
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# |
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# Set the total of unique sst strings. |
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# |
98
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99
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my $self = shift; |
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101
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$self->{_unique_count} = shift; |
102
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} |
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104
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249
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249
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695
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105
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############################################################################### |
106
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249
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649
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# |
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# _add_strings() |
108
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# |
109
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# Add the array ref of strings to be written. |
110
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# |
111
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112
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my $self = shift; |
113
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114
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$self->{_strings} = shift; |
115
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} |
116
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117
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118
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249
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249
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538
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############################################################################### |
119
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# |
120
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249
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1049
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# Internal methods. |
121
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# |
122
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############################################################################### |
123
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124
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125
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############################################################################### |
126
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# |
127
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# XML writing methods. |
128
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# |
129
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############################################################################### |
130
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131
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132
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############################################################################## |
133
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# |
134
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# _write_sst() |
135
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# |
136
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# Write the <sst> element. |
137
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# |
138
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139
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my $self = shift; |
140
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my $count = shift; |
141
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my $unique_count = shift; |
142
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my $schema = 'http://schemas.openxmlformats.org'; |
143
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my $xmlns = $schema . '/spreadsheetml/2006/main'; |
144
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145
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my @attributes = ( |
146
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250
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250
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573
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'xmlns' => $xmlns, |
147
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250
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493
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'count' => $count, |
148
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250
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500
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'uniqueCount' => $unique_count, |
149
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250
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702
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); |
150
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250
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957
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151
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$self->xml_start_tag( 'sst', @attributes ); |
152
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250
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1021
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} |
153
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154
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155
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############################################################################### |
156
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# |
157
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# _write_sst_strings() |
158
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250
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1489
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# |
159
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# Write the sst string elements. |
160
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# |
161
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162
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my $self = shift; |
163
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164
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for my $string ( @{ $self->{_strings} } ) { |
165
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$self->_write_si( $string ); |
166
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} |
167
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} |
168
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169
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170
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249
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249
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554
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############################################################################## |
171
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# |
172
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249
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540
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# _write_si() |
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249
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981
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173
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1075
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2578
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# |
174
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# Write the <si> element. |
175
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# |
176
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177
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my $self = shift; |
178
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my $string = shift; |
179
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my @attributes = (); |
180
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181
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# Excel escapes control characters with _xHHHH_ and also escapes any |
182
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# literal strings of that type by encoding the leading underscore. So |
183
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# "\0" -> _x0000_ and "_x0000_" -> _x005F_x0000_. |
184
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# The following substitutions deal with those cases. |
185
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186
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1076
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1076
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1507
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# Escape the escape. |
187
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1076
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1635
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$string =~ s/(_x[0-9a-fA-F]{4}_)/_x005F$1/g; |
188
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1076
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1703
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189
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# Convert control character to the _xHHHH_ escape. |
190
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$string =~ s/([\x00-\x08\x0B-\x1F])/sprintf "_x%04X_", ord($1)/eg; |
191
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192
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193
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# Add attribute to preserve leading or trailing whitespace. |
194
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if ( $string =~ /^\s/ || $string =~ /\s$/ ) { |
195
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push @attributes, ( 'xml:space' => 'preserve' ); |
196
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1076
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2022
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} |
197
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198
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199
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1076
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1992
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# Write any rich strings without further tags. |
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30
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73
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200
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if ( $string =~ m{^<r>} && $string =~ m{</r>$} ) { |
201
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202
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# Prevent utf8 strings from getting double encoded. |
203
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1076
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100
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100
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4902
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$string = decode_utf8( $string ); |
204
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6
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13
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205
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$self->xml_rich_si_element( $string ); |
206
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} |
207
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else { |
208
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$self->xml_si_element( $string, @attributes ); |
209
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1076
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100
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66
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3102
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} |
210
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211
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} |
212
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17
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106
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213
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214
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17
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1021
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1; |
215
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216
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217
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1059
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3332
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218
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=pod |
219
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220
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|
=head1 NAME |
221
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222
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|
SharedStrings - A class for writing the Excel XLSX sharedStrings.xml file. |
223
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224
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=head1 SYNOPSIS |
225
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226
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See the documentation for L<Excel::Writer::XLSX>. |
227
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228
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=head1 DESCRIPTION |
229
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230
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This module is used in conjunction with L<Excel::Writer::XLSX>. |
231
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=head1 AUTHOR |
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John McNamara jmcnamara@cpan.org |
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=head1 COPYRIGHT |
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(c) MM-MMXXI, John McNamara. |
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All Rights Reserved. This module is free software. It may be used, redistributed and/or modified under the same terms as Perl itself. |
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=head1 LICENSE |
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Either the Perl Artistic Licence L<http://dev.perl.org/licenses/artistic.html> or the GPL L<http://www.opensource.org/licenses/gpl-license.php>. |
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=head1 DISCLAIMER OF WARRANTY |
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See the documentation for L<Excel::Writer::XLSX>. |
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=cut |