Commits on Apr 2, 2024

1. [BUGFIX] Respect language based style names on reading Word files …

   Microsoft Office saves Office document with language based style
   mappings for default styles. For example, if a german based Word
   version is used, it writes following to the `word/styles.xml` in
   the container archive (*.docs):
   
   ```
   <w:style w:type="paragraph" w:styleId="berschrift1">
     <w:name w:val="heading 1"/>
     ....
     </w:style>
   ```
   
   versus for a english based version it would be:
   
   ```
   <w:style w:type="paragraph" w:styleId="Heading1">
     <w:name w:val="heading 1"/>
     ...
   </w:style>
   ```
   
   The value of `<w:name />` defines the internal native code
   identifier, whereas the `w:styleId` attribute on the outer
   `<w:style />` tag would describe the virtual or alias name.
   
   Later parsing of the document structure, for example the
   paragraphs, references the alias (`w:styleId`) name of a
   style. The reader code uses hardcoded RegEx matchings in
   a case-insensitive manner but using the englisch speaking
   variant (`Header\s+d`) - on the language based one, which
   would not match at all.
   
   Therefore, multiple tasks need to be done and contained
   in this change:
   
   * A alias map is implementend and used to register title
     aliases. Along with this corresponding lookup method is
     added.
   * Use the lookup method to resolve for alias where the
     hardcoded language RegEx is needed to be used.
   * Gathering all style alias names during reading the
     wordfile styles settings for all possible styles.

   

   sbuerk committed Apr 2, 2024
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