Add casereaders and casewriters, the basis of the new data processing

[pspp] / src / data / ChangeLog

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+2007-06-06  Ben Pfaff  <blp@gnu.org>
+
+       Add casereaders and casewriters, the basis of the new data processing
+       implementation.  A casereader is a uniform interface to reading cases
+       from a data source; a casewriter is a uniform interface to writing
+       cases to a data sink.
+
+       * automake.mk: Add new files.
+       
+       * casereader-filter.c: New file.
+       
+       * casereader-provider.h: New file.
+
+       * casereader-translator.c: New file.
+       
+       * casereader.c: New file.
+       
+       * casereader.h: New file.
+       
+       * casewriter-provider.h: New file.
+       
+       * casewriter-translator.c: New file.
+       
+       * casewriter.c: New file.
+       
+       * casewriter.h: New file.
+
 2007-06-06  Ben Pfaff  <blp@gnu.org>
 
        "casewindow" data structure that extends the deque (from libpspp)