odt: Format newlines in table cells as Open Document Format line breaks.

[pspp] / src / output / odt.c

diff --git a/src/output/odt.c b/src/output/odt.c
index fdaa6f902de642efbd7a438a745e67feb21e56f2..c0a386e653d502cc9207616534ac8bd76885f18e 100644 (file)
--- a/src/output/odt.c
+++ b/src/output/odt.c
@@ -1,5 +1,5 @@
 /* PSPP - a program for statistical analysis.
-   Copyright (C) 2009, 2010, 2011 Free Software Foundation, Inc.
+   Copyright (C) 2009, 2010, 2011, 2012, 2014 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
@@ -31,6 +31,7 @@
 
 #include "libpspp/assertion.h"
 #include "libpspp/cast.h"
+#include "libpspp/message.h"
 #include "libpspp/str.h"
 #include "libpspp/temp-file.h"
 #include "libpspp/version.h"
@@ -44,7 +45,6 @@
 #include "output/text-item.h"
 
 #include "gl/xalloc.h"
-#include "gl/error.h"
 
 #include "gettext.h"
 #define _(msgid) gettext (msgid)
@@ -91,7 +91,7 @@ create_mimetype (struct zip_writer *zip)
   fp = create_temp_file ();
   if (fp == NULL)
     {
-      error (0, errno, _("error creating temporary file"));
+      msg_error (errno, _("error creating temporary file"));
       return false;
     }
 
@@ -380,10 +380,36 @@ odt_destroy (struct output_driver *driver)
       zip_writer_close (odt->zip);
     }
   
+  free (odt->file_name);
   free (odt->command_name);
   free (odt);
 }
 
+static void
+write_xml_with_line_breaks (xmlTextWriterPtr writer, char *line)
+{
+  char *newline;
+  char *p;
+
+  for (p = line; *p; p = newline + 1)
+    {
+      newline = strchr (p, '\n');
+
+      if (!newline)
+        {
+          xmlTextWriterWriteString (writer, _xml(p));
+          return;
+        }
+
+      if (newline > p && newline[-1] == '\r')
+        newline[-1] = '\0';
+      else
+        *newline = '\0';
+      xmlTextWriterWriteString (writer, _xml(p));
+      xmlTextWriterWriteElement (writer, _xml("text:line-break"), _xml(""));
+    }
+}
+
 static void
 odt_submit_table (struct odt_driver *odt, struct table_item *item)
 {
@@ -457,7 +483,14 @@ odt_submit_table (struct odt_driver *odt, struct table_item *item)
              else
                xmlTextWriterWriteAttribute (odt->content_wtr, _xml("text:style-name"), _xml("Table_20_Contents"));
 
-             xmlTextWriterWriteString (odt->content_wtr, _xml(cell.contents));
+             if (strchr (cell.contents, '\n'))
+               {
+                 char *line = xstrdup (cell.contents);
+                 write_xml_with_line_breaks (odt->content_wtr, line);
+                 free (line);
+               }
+             else
+               xmlTextWriterWriteString (odt->content_wtr, _xml(cell.contents));
 
              xmlTextWriterEndElement (odt->content_wtr); /* text:p */
              xmlTextWriterEndElement (odt->content_wtr); /* table:table-cell */
@@ -516,7 +549,8 @@ odt_submit (struct output_driver *driver,
     }
 }
 
-struct output_driver_factory odt_driver_factory = { "odt", odt_create };
+struct output_driver_factory odt_driver_factory =
+  { "odt", "pspp.odf", odt_create };
 
 static const struct output_driver_class odt_driver_class =
 {