PdfQL is the language that describes how to get objects from PDF document. Each instruction is the stage that transform data from current input to described output.
PdfQL syntax
Stages
: Stage ('->' Stage)
;PdfQL example
select(tables) // PdfTable[] - Get all tables from a document
->filter((item) => item.GetCell(4).Text() == 'Name') // PdfTable[] - Returns only tables where cell #4 contains text 'Name'
->selectMany(tableRows) // PdfTableRow[] - Get all table rows from tables, and transaform two-dimension array to one dimension
->map((item) => item.GetCell(1).Text()) // string - From table rows get cell #1 text.PdfQL stage syntax
Stage can be one of the following tokens
Stage
: SelectStage
| SelectManyStage
| FilterStage
| MapStage
| SingleStage
| FirstOrDefaultStage
| FirstStage
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