I would like to give a short status update about the new OOXML framework.
- Created the new module main/ooxml
There are not yet any makefiles that build the contents of the ooxml/
module nor link it into the build process of OpenOffice. However, you
can use e.g. Eclipse to import the Java projects that are described below.
- Moved the old Office Open XML wiki pages out of the way and create two
new ones:
= "OfficeOpenXML" contains an introduction into the OOXML file
format, a status overview of the implementation progress and links to
more detailed information.
= "OOXML" and "ooxml" (uppercase/lowercase) redirect to
"OfficeOpenXML" so that there is no excuse to not find this page.
= "OOXML Framework" contains more detailed information about the new
framework.
- Created a new Java project at ooxml/main/source/framework/SchemaParser
that parses the XML schema files that come with the ECMA-376
specification files.
Its purpose is to read the schema files and create a skeleton OOXML
parser from it. This skeleton can then be filled in with code for
importing certain elements of OOXML documents.
- Created a new Java project at
ooxml/main/source/framework/JavaOOXMLParser. Its purpose is testing and
debugging of and experimenting with the schema parser. It is not
intended to become a runtime component of OpenOffice.
The SchemaParser is able to parse all files of the ECMA-376
specification both in the old (1st edition of 2006) and new (4th edition
of 2012) versions. It looks like we need both since the new one is the
current standard (equivalent to the ISO standard) while the old on is
actually used.
Not all details of the schema files are handled yet.
The JavaOOXMLParser, based on parser tables created by the SchemaParser,
is already able to parse the large DOCX file of the 1st edition
specification. When pretty printed it is about 90 MB large. It takes
the parser about 90 s to read it. Note that the parser is not optimized
in any way (if it where then it would be optimized for readability, not
for speed) and that it writes about 650 MB of log files in the process.
If anyone would like to play with the parsers, I will gladly provide
more details.
Best regards,
Andre
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