Microsoft Technology Licensing, LLC

Chad Rothchiller

Michael J McCormack

Eoin James Burke

Ramakrishnan Natarajan

Kelly J Lynch

Roy E Dumas

A method and system are provided for converting a hierarchical data structure into a flat data structure based on a schema. The format of the hierarchical data structure may be XML. A hierarchical data structure conforming to a schema is loaded into an application program. The data structure includes elements and attributes linked together in a parent-child relationship. The schema defines the hierarchical relationships between the elements and attributes in the hierarchical data structure. After the hierarchical data structure conforming to the schema has been loaded, a plurality of layout rules is applied to the hierarchical data based on the schema to create a flat data structure. The layout rules determine how the hierarchical data will be inserted in the flat data structure. The layout rules may be applied by identifying properties in the schema which identify occurrence requirements for elements defined in the schema. After the layout rules have been applied to the hierarchical data, the hierarchical data is rendered into a spreadsheet by inserting the data in rows and columns.

Method and system for converting a schema-based hierarchical data structure into a flat data structure

A method and system are provided for inferring a schema from an electronic document containing hierarchical data for use in a spreadsheet application program. The electronic document containing the hierarchical data is received into an application program. The application program may be a spreadsheet application program. The format of the hierarchical data structure may be XML. The hierarchical data includes a set of nodes making up the structure of the hierarchical data. The nodes may be XML elements and attributes. The hierarchical data is then parsed to discover one of the nodes in the hierarchical data. Once the node has been discovered, content associated with the discovered node is saved to a memory location in the computer system. The content may include data associated with the discovered node and the type of data associated with the node. The hierarchical data is then parsed again to discover subsequent nodes until the content for all of the nodes has been saved to the memory location. Then a schema generator generates schema elements using complex rules based on the particular qualities of each discovered node for each discovered node until a schema is generated for the hierarchical data.

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Chad Rothchiller