i18n: Factor out encoding categories from GUI into common code.

[pspp] / src / libpspp / i18n.h

diff --git a/src/libpspp/i18n.h b/src/libpspp/i18n.h
index fc3a64935e4e903b4abf1dc3abe6861d46bd5b8b..4dbf61a29974469b9568779226f8bb30fb01c469 100644 (file)
--- a/src/libpspp/i18n.h
+++ b/src/libpspp/i18n.h
@@ -1,5 +1,5 @@
 /* PSPP - a program for statistical analysis.
-   Copyright (C) 2006, 2010, 2011 Free Software Foundation, Inc.
+   Copyright (C) 2006, 2010, 2011, 2012 Free Software Foundation, Inc.
 
    This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
@@ -126,14 +126,34 @@ struct encoding_info
        used in ASCII text files has the same value in this encoding. */
     bool is_ascii_compatible;
 
+    /* True if this encoding has a unit width of 1 byte and appears to be
+       EBCDIC-based.  */
+    bool is_ebcdic_compatible;
+
     /* Character information. */
     int unit;                   /* Unit width, in bytes. */
     char cr[MAX_UNIT];          /* \r in encoding, 'unit' bytes long. */
     char lf[MAX_UNIT];          /* \n in encoding, 'unit' bytes long. */
+    char space[MAX_UNIT];       /* ' ' in encoding, 'unit' bytes long. */
   };
 
 bool get_encoding_info (struct encoding_info *, const char *name);
 bool is_encoding_ascii_compatible (const char *encoding);
+bool is_encoding_ebcdic_compatible (const char *encoding);
 bool is_encoding_supported (const char *encoding);
 
+bool is_encoding_utf8 (const char *encoding);
+\f
+/* Database of encodings, by language or region. */
+
+struct encoding_category
+  {
+    const char *category;       /* e.g. "Arabic" or "Western European". */
+    const char **encodings;     /* Encodings within the category. */
+    size_t n_encodings;         /* Number of encodings in category. */
+  };
+
+struct encoding_category *get_encoding_categories (void);
+size_t get_n_encoding_categories (void);
+
 #endif /* i18n.h */