X-Git-Url: https://pintos-os.org/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=src%2Fdata%2Fods-reader.c;h=8f307200b052bb5aa2a8b8d83a6aa93590662d3d;hb=3bf92c99a566c03d4100ada7e83cafac7219c4fb;hp=2f058b044d8ac8892115ff53b498a96e7f8c78bf;hpb=958e78555714e9f1847513f9cc576fa2cd7a6769;p=pspp

diff --git a/src/data/ods-reader.c b/src/data/ods-reader.c
index 2f058b044d..8f307200b0 100644
--- a/src/data/ods-reader.c
+++ b/src/data/ods-reader.c
@@ -16,56 +16,38 @@
 
 #include <config.h>
 
-#include "libpspp/message.h"
-#include "libpspp/misc.h"
-#include "libpspp/assertion.h"
-
-#include "data/data-in.h"
-
-#include "gl/c-strtod.h"
-#include "gl/minmax.h"
-
-#include "gettext.h"
-#define _(msgid) gettext (msgid)
-#define N_(msgid) (msgid)
-
 #include "ods-reader.h"
 #include "spreadsheet-reader.h"
 
-#if !ODF_READ_SUPPORT
-
-struct casereader *
-ods_open_reader (const struct spreadsheet_read_options *opts, 
-		 struct dictionary **dict)
-{
-  msg (ME, _("Support for %s files was not compiled into this installation of PSPP"), "OpenDocument");
-
-  return NULL;
-}
-
-#else
-
-#include "libpspp/zip-reader.h"
-
-
 #include <assert.h>
 #include <stdbool.h>
 #include <errno.h>
 #include <libxml/xmlreader.h>
 #include <zlib.h>
 
-#include "data/format.h"
 #include "data/case.h"
 #include "data/casereader-provider.h"
+#include "data/data-in.h"
 #include "data/dictionary.h"
+#include "data/format.h"
 #include "data/identifier.h"
 #include "data/value.h"
 #include "data/variable.h"
+#include "libpspp/assertion.h"
 #include "libpspp/i18n.h"
+#include "libpspp/message.h"
+#include "libpspp/misc.h"
 #include "libpspp/str.h"
+#include "libpspp/zip-reader.h"
 
+#include "gl/c-strtod.h"
+#include "gl/minmax.h"
 #include "gl/xalloc.h"
 
+#include "gettext.h"
+#define _(msgid) gettext (msgid)
+#define N_(msgid) (msgid)
+
 static void ods_file_casereader_destroy (struct casereader *, void *);
 static struct ccase *ods_file_casereader_read (struct casereader *, void *);
 
@@ -103,6 +85,7 @@ enum reader_state
 struct state_data
 {
   xmlTextReaderPtr xtr;
+  struct zip_member *zm;
   int node_type;
   enum reader_state state;
   int row;
@@ -121,6 +104,9 @@ state_data_destroy (struct state_data *sd)
 
   xmlFreeTextReader (sd->xtr);
   sd->xtr = NULL;
+
+  zip_member_finish (sd->zm);
+  sd->zm = NULL;
 }
 
 struct ods_reader
@@ -130,7 +116,7 @@ struct ods_reader
 
   int target_sheet_index;
   xmlChar *target_sheet_name;
-  
+
   /* State data for the meta data */
   struct state_data msd;
 
@@ -171,7 +157,7 @@ ods_unref (struct spreadsheet *s)
 	  xmlFree (r->sheets[i].name);
 	}
 
-      dict_destroy (r->dict);
+      dict_unref (r->dict);
 
       zip_reader_destroy (r->zreader);
       free (r->sheets);
@@ -187,10 +173,10 @@ reading_target_sheet (const struct ods_reader *r, const struct state_data *msd)
 {
   if (r->target_sheet_name != NULL)
     {
-      if ( 0 == xmlStrcmp (r->target_sheet_name, msd->current_sheet_name))
+      if (0 == xmlStrcmp (r->target_sheet_name, msd->current_sheet_name))
 	return true;
     }
-  
+
   if (r->target_sheet_index == msd->current_sheet + 1)
     return true;
 
@@ -209,13 +195,13 @@ ods_get_sheet_name (struct spreadsheet *s, int n)
 
   assert (n < s->n_sheets);
 
-  while ( 
+  while (
 	  (r->n_allocated_sheets <= n)
 	  || or->state != STATE_SPREADSHEET
-	  )
+	)
     {
       int ret = xmlTextReaderRead (or->xtr);
-      if ( ret != 1)
+      if (ret != 1)
 	break;
 
       process_node (r, or);
@@ -229,17 +215,17 @@ ods_get_sheet_range (struct spreadsheet *s, int n)
 {
   struct ods_reader *r = (struct ods_reader *) s;
   struct state_data *or = &r->msd;
-  
+
   assert (n < s->n_sheets);
 
-  while ( 
+  while (
 	  (r->n_allocated_sheets <= n)
-	  || (r->sheets[n].stop_row == -1) 
+	  || (r->sheets[n].stop_row == -1)
 	  || or->state != STATE_SPREADSHEET
-	  )
+	)
     {
       int ret = xmlTextReaderRead (or->xtr);
-      if ( ret != 1)
+      if (ret != 1)
 	break;
 
       process_node (r, or);
@@ -257,17 +243,17 @@ static void
 ods_file_casereader_destroy (struct casereader *reader UNUSED, void *r_)
 {
   struct ods_reader *r = r_;
-  if ( r == NULL)
+  if (r == NULL)
     return ;
 
   state_data_destroy (&r->rsd);
 
-  if ( ! ds_is_empty (&r->ods_errs))
+  if (! ds_is_empty (&r->ods_errs))
     msg (ME, "%s", ds_cstr (&r->ods_errs));
 
   ds_destroy (&r->ods_errs);
 
-  if ( r->first_case && ! r->used_first_case )
+  if (r->first_case && ! r->used_first_case)
     case_unref (r->first_case);
 
 
@@ -308,7 +294,7 @@ process_node (struct ods_reader *or, struct state_data *r)
       break;
     case STATE_SPREADSHEET:
       if (0 == xmlStrcasecmp (name, _xml("table:table"))
-	  && 
+	  &&
 	  (XML_READER_TYPE_ELEMENT == r->node_type))
 	{
 	  xmlFree (r->current_sheet_name);
@@ -339,38 +325,38 @@ process_node (struct ods_reader *or, struct state_data *r)
 	}
       break;
     case STATE_TABLE:
-      if (0 == xmlStrcasecmp (name, _xml("table:table-row")) && 
+      if (0 == xmlStrcasecmp (name, _xml("table:table-row")) &&
 	  (XML_READER_TYPE_ELEMENT  == r->node_type))
 	{
 	  xmlChar *value =
 	    xmlTextReaderGetAttribute (r->xtr,
 				       _xml ("table:number-rows-repeated"));
-	  
+
 	  int row_span = value ? _xmlchar_to_int (value) : 1;
 
 	  r->row += row_span;
 	  r->col = 0;
-	  
+
 	  if (! xmlTextReaderIsEmptyElement (r->xtr))
 	    r->state = STATE_ROW;
 
 	  xmlFree (value);
 	}
-      else if (0 == xmlStrcasecmp (name, _xml("table:table")) && 
+      else if (0 == xmlStrcasecmp (name, _xml("table:table")) &&
 	       (XML_READER_TYPE_END_ELEMENT  == r->node_type))
 	{
 	  r->state = STATE_SPREADSHEET;
 	}
       break;
     case STATE_ROW:
-      if ( (0 == xmlStrcasecmp (name, _xml ("table:table-cell")))
-	   && 
+      if ((0 == xmlStrcasecmp (name, _xml ("table:table-cell")))
+	   &&
 	   (XML_READER_TYPE_ELEMENT  == r->node_type))
 	{
 	  xmlChar *value =
 	    xmlTextReaderGetAttribute (r->xtr,
 				       _xml ("table:number-columns-repeated"));
-	  
+
 	  r->col_span = value ? _xmlchar_to_int (value) : 1;
 	  r->col += r->col_span;
 
@@ -379,7 +365,7 @@ process_node (struct ods_reader *or, struct state_data *r)
 
 	  xmlFree (value);
 	}
-      else if ( (0 == xmlStrcasecmp (name, _xml ("table:table-row")))
+      else if ((0 == xmlStrcasecmp (name, _xml ("table:table-row")))
 		&&
 		(XML_READER_TYPE_END_ELEMENT  == r->node_type))
 	{
@@ -387,18 +373,18 @@ process_node (struct ods_reader *or, struct state_data *r)
 	}
       break;
     case STATE_CELL:
-      if ( (0 == xmlStrcasecmp (name, _xml("text:p")))
+      if ((0 == xmlStrcasecmp (name, _xml("text:p")))
 	    &&
-	   ( XML_READER_TYPE_ELEMENT  == r->node_type))
+	   (XML_READER_TYPE_ELEMENT  == r->node_type))
 	{
 	  if (! xmlTextReaderIsEmptyElement (r->xtr))
 	    r->state = STATE_CELL_CONTENT;
 	}
       else if
-	( (0 == xmlStrcasecmp (name, _xml("table:table-cell")))
+	((0 == xmlStrcasecmp (name, _xml("table:table-cell")))
 	  &&
 	  (XML_READER_TYPE_END_ELEMENT  == r->node_type)
-	  )
+	)
 	{
 	  r->state = STATE_ROW;
 	}
@@ -410,16 +396,16 @@ process_node (struct ods_reader *or, struct state_data *r)
       if (or->sheets[r->current_sheet].start_row == -1)
 	or->sheets[r->current_sheet].start_row = r->row - 1;
 
-      if ( 
+      if (
 	  (or->sheets[r->current_sheet].start_col == -1)
 	  ||
 	  (or->sheets[r->current_sheet].start_col >= r->col - 1)
-	   )
+	)
 	or->sheets[r->current_sheet].start_col = r->col - 1;
 
       or->sheets[r->current_sheet].stop_row = r->row - 1;
 
-      if ( or->sheets[r->current_sheet].stop_col <  r->col - 1)
+      if (or->sheets[r->current_sheet].stop_col < r->col - 1)
 	or->sheets[r->current_sheet].stop_col = r->col - 1;
 
       if (XML_READER_TYPE_END_ELEMENT  == r->node_type)
@@ -433,8 +419,8 @@ process_node (struct ods_reader *or, struct state_data *r)
   xmlFree (name);
 }
 
-/* 
-   A struct containing the parameters of a cell's value 
+/*
+   A struct containing the parameters of a cell's value
    parsed from the xml
 */
 struct xml_value
@@ -461,13 +447,13 @@ xmv_to_width (const struct xml_value *xmv, int fallback)
   if (xmv->type != NULL && 0 != xmlStrcmp (xmv->type, _xml("string")))
     return 0;
 
-  if ( fallback != -1)
+  if (fallback != -1)
     return fallback;
 
-  if ( xmv->value )
+  if (xmv->value)
     width = ROUND_UP (xmlStrlen (xmv->value),
 		      SPREADSHEET_DEFAULT_WIDTH);
-  else if ( xmv->text)
+  else if (xmv->text)
     width = ROUND_UP (xmlStrlen (xmv->text),
 		      SPREADSHEET_DEFAULT_WIDTH);
 
@@ -485,7 +471,7 @@ convert_xml_to_value (struct ccase *c, const struct variable *var,
 
   if (xmv->value == NULL && xmv->text == NULL)
     value_set_missing (v, var_get_width (var));
-  else if ( var_is_alpha (var))
+  else if (var_is_alpha (var))
     /* Use the text field, because it seems that there is no
        value field for strings */
     value_copy_str_rpad (v, var_get_width (var), xmv->text, ' ');
@@ -494,9 +480,9 @@ convert_xml_to_value (struct ccase *c, const struct variable *var,
       const struct fmt_spec *fmt = var_get_write_format (var);
       enum fmt_category fc  = fmt_get_category (fmt->type);
 
-      assert ( fc != FMT_CAT_STRING);
+      assert (fc != FMT_CAT_STRING);
 
-      if ( 0 == xmlStrcmp (xmv->type, _xml("float")))
+      if (0 == xmlStrcmp (xmv->type, _xml("float")))
 	{
 	  v->f = c_strtod (CHAR_CAST (const char *, xmv->value), NULL);
 	}
@@ -516,7 +502,7 @@ convert_xml_to_value (struct ccase *c, const struct variable *var,
 	      char buf [FMT_STRING_LEN_MAX + 1];
 	      char *cell = create_cell_ref (col, row);
 
-	      msg (MW, _("Cannot convert the value in the spreadsheet cell %s to format (%s): %s"), 
+	      msg (MW, _("Cannot convert the value in the spreadsheet cell %s to format (%s): %s"),
 		   cell, fmt_to_string (fmt, buf), m);
 	      free (cell);
 	    }
@@ -525,6 +511,12 @@ convert_xml_to_value (struct ccase *c, const struct variable *var,
     }
 }
 
+static int
+xml_reader_for_zip_member (void *zm_, char *buffer, int len)
+{
+  struct zip_member *zm = zm_;
+  return zip_member_read (zm, buffer, len);
+}
 
 /* Try to find out how many sheets there are in the "workbook" */
 static int
@@ -534,43 +526,44 @@ get_sheet_count (struct zip_reader *zreader)
   struct zip_member *meta = NULL;
   meta = zip_member_open (zreader, "meta.xml");
 
-  if ( meta == NULL)
+  if (meta == NULL)
     return -1;
 
-  mxtr = xmlReaderForIO ((xmlInputReadCallback) zip_member_read,
-			 (xmlInputCloseCallback) NULL,
-			 meta,   NULL, NULL, 0);
+  mxtr = xmlReaderForIO (xml_reader_for_zip_member, NULL, meta, NULL, NULL, 0);
 
   while (1 == xmlTextReaderRead (mxtr))
     {
       xmlChar *name = xmlTextReaderName (mxtr);
-      if ( 0 == xmlStrcmp (name, _xml("meta:document-statistic")))
+      if (0 == xmlStrcmp (name, _xml("meta:document-statistic")))
 	{
 	  xmlChar *attr = xmlTextReaderGetAttribute (mxtr, _xml ("meta:table-count"));
 
-	  if ( attr != NULL)
+	  if (attr != NULL)
 	    {
 	      int s = _xmlchar_to_int (attr);
 	      xmlFreeTextReader (mxtr);
+              zip_member_finish (meta);
 	      xmlFree (name);
-	      xmlFree (attr);      
+	      xmlFree (attr);
 	      return s;
 	    }
-	  xmlFree (attr);      
+	  xmlFree (attr);
 	}
-      xmlFree (name);      
+      xmlFree (name);
     }
 
   xmlFreeTextReader (mxtr);
+  zip_member_finish (meta);
   return -1;
 }
 
 static void
 ods_error_handler (void *ctx, const char *mesg,
-			UNUSED xmlParserSeverities sev, xmlTextReaderLocatorPtr loc)
+		   xmlParserSeverities sev UNUSED,
+		   xmlTextReaderLocatorPtr loc)
 {
   struct ods_reader *r = ctx;
-       
+
   msg (MW, _("There was a problem whilst reading the %s file `%s' (near line %d): `%s'"),
        "ODF",
        r->spreadsheet.file_name,
@@ -579,30 +572,32 @@ ods_error_handler (void *ctx, const char *mesg,
 }
 
 
-static xmlTextReaderPtr
-init_reader (struct ods_reader *r, bool report_errors)
+static bool
+init_reader (struct ods_reader *r, bool report_errors,
+             struct state_data *state)
 {
   struct zip_member *content = zip_member_open (r->zreader, "content.xml");
   xmlTextReaderPtr xtr;
 
-  if ( content == NULL)
+  if (content == NULL)
     return NULL;
 
-  xtr = xmlReaderForIO ((xmlInputReadCallback) zip_member_read,
-			(xmlInputCloseCallback) NULL,
-			content,   NULL, NULL,
-			report_errors ? 0 : (XML_PARSE_NOERROR | XML_PARSE_NOWARNING) );
+  xtr = xmlReaderForIO (xml_reader_for_zip_member, NULL, content, NULL, NULL,
+			report_errors ? 0 : (XML_PARSE_NOERROR | XML_PARSE_NOWARNING));
 
-  if ( xtr == NULL)
-    return false;
+  if (xtr == NULL)
+      return false;
 
+  *state = (struct state_data) { .xtr = xtr,
+                                 .zm = content,
+                                 .state = STATE_INIT };
 
   r->spreadsheet.type = SPREADSHEET_ODS;
 
-  if (report_errors) 
+  if (report_errors)
     xmlTextReaderSetErrorHandler (xtr, ods_error_handler, r);
 
-  return xtr;
+  return true;
 }
 
 
@@ -612,7 +607,6 @@ ods_probe (const char *filename, bool report_errors)
 {
   int sheet_count;
   struct ods_reader *r = xzalloc (sizeof *r);
-  xmlTextReaderPtr xtr;  
   struct zip_reader *zr;
 
   ds_init_empty (&r->zip_errs);
@@ -636,17 +630,8 @@ ods_probe (const char *filename, bool report_errors)
   r->zreader = zr;
   r->spreadsheet.ref_cnt = 1;
 
-  xtr = init_reader (r, report_errors);
-  if (xtr == NULL)
-    {
-      goto error;
-    }
-  r->msd.xtr = xtr;
-  r->msd.row = 0;
-  r->msd.col = 0;
-  r->msd.current_sheet = 0;
-  r->msd.state = STATE_INIT;
-
+  if (!init_reader (r, report_errors, &r->msd))
+    goto error;
 
   r->spreadsheet.n_sheets = sheet_count;
   r->n_allocated_sheets = 0;
@@ -663,7 +648,7 @@ ods_probe (const char *filename, bool report_errors)
 }
 
 struct casereader *
-ods_make_reader (struct spreadsheet *spreadsheet, 
+ods_make_reader (struct spreadsheet *spreadsheet,
 		 const struct spreadsheet_read_options *opts)
 {
   intf ret = 0;
@@ -673,7 +658,6 @@ ods_make_reader (struct spreadsheet *spreadsheet,
   int i;
   struct var_spec *var_spec = NULL;
   int n_var_specs = 0;
-  xmlTextReaderPtr xtr;
 
   struct ods_reader *r = (struct ods_reader *) spreadsheet;
   xmlChar *val_string = NULL;
@@ -683,22 +667,15 @@ ods_make_reader (struct spreadsheet *spreadsheet,
   ds_init_empty (&r->ods_errs);
   ++r->spreadsheet.ref_cnt;
 
-  xtr = init_reader (r, true);
-  if ( xtr == NULL)
+  if (!init_reader (r, true, &r->rsd))
     goto error;
 
-  r->rsd.xtr = xtr;
-  r->rsd.row = 0;
-  r->rsd.col = 0;
-  r->rsd.current_sheet = 0;
-  r->rsd.state = STATE_INIT;
-
   r->used_first_case = false;
   r->first_case = NULL;
 
   if (opts->cell_range)
     {
-      if ( ! convert_cell_ref (opts->cell_range,
+      if (! convert_cell_ref (opts->cell_range,
 			       &r->start_col, &r->start_row,
 			       &r->stop_col, &r->stop_row))
 	{
@@ -719,8 +696,8 @@ ods_make_reader (struct spreadsheet *spreadsheet,
   r->target_sheet_index = opts->sheet_index;
 
   /* Advance to the start of the cells for the target sheet */
-  while ( ! reading_target_sheet (r, &r->rsd)  
-	  || r->rsd.state != STATE_ROW || r->rsd.row <= r->start_row )
+  while (! reading_target_sheet (r, &r->rsd)
+	  || r->rsd.state != STATE_ROW || r->rsd.row <= r->start_row)
     {
       if (1 != (ret = xmlTextReaderRead (r->rsd.xtr)))
 	   break;
@@ -735,47 +712,47 @@ ods_make_reader (struct spreadsheet *spreadsheet,
       goto error;
     }
 
-  if ( opts->read_names)
+  if (opts->read_names)
     {
       while (1 == xmlTextReaderRead (r->rsd.xtr))
 	{
-	  int idx;
-
 	  process_node (r, &r->rsd);
 
 	  /* If the row is finished then stop for now */
 	  if (r->rsd.state == STATE_TABLE && r->rsd.row > r->start_row)
 	    break;
 
-	  idx = r->rsd.col - r->start_col -1 ;
+	  int idx = r->rsd.col - r->start_col - 1;
 
-	  if ( idx < 0)
+	  if (idx < 0)
 	    continue;
 
 	  if (r->stop_col != -1 && idx > r->stop_col - r->start_col)
 	    continue;
 
-	  if (r->rsd.state == STATE_CELL_CONTENT 
+	  if (r->rsd.state == STATE_CELL_CONTENT
 	      &&
 	      XML_READER_TYPE_TEXT  == r->rsd.node_type)
 	    {
 	      xmlChar *value = xmlTextReaderValue (r->rsd.xtr);
-
-	      if ( idx >= n_var_specs)
+	      if (idx >= n_var_specs)
 		{
 		  var_spec = xrealloc (var_spec, sizeof (*var_spec) * (idx + 1));
 
 		  /* xrealloc (unlike realloc) doesn't initialise its memory to 0 */
 		  memset (var_spec + n_var_specs,
-			  0, 
+			  0,
 			  (idx - n_var_specs + 1) * sizeof (*var_spec));
 		  n_var_specs = idx + 1;
 		}
-	      var_spec[idx].firstval.text = 0;
-	      var_spec[idx].firstval.value = 0;
-	      var_spec[idx].firstval.type = 0;
-
-	      var_spec [idx].name = strdup (CHAR_CAST (const char *, value));
+	      for (int i = 0; i < r->rsd.col_span; ++i)
+		{
+		  var_spec[idx - i].firstval.text = 0;
+		  var_spec[idx - i].firstval.value = 0;
+		  var_spec[idx - i].firstval.type = 0;
+		  var_spec[idx - i].name =
+		    strdup (CHAR_CAST (const char *, value));
+		}
 
 	      xmlFree (value);
 	    }
@@ -788,7 +765,7 @@ ods_make_reader (struct spreadsheet *spreadsheet,
       int idx;
       process_node (r, &r->rsd);
 
-      if ( ! reading_target_sheet (r, &r->rsd) )
+      if (! reading_target_sheet (r, &r->rsd))
 	break;
 
       /* If the row is finished then stop for now */
@@ -803,21 +780,21 @@ ods_make_reader (struct spreadsheet *spreadsheet,
       if (r->stop_col != -1 && idx > r->stop_col - r->start_col)
 	continue;
 
-      if ( r->rsd.state == STATE_CELL &&
+      if (r->rsd.state == STATE_CELL &&
 	   XML_READER_TYPE_ELEMENT  == r->rsd.node_type)
 	{
 	  type = xmlTextReaderGetAttribute (r->rsd.xtr, _xml ("office:value-type"));
 	  val_string = xmlTextReaderGetAttribute (r->rsd.xtr, _xml ("office:value"));
 	}
 
-      if ( r->rsd.state == STATE_CELL_CONTENT &&
+      if (r->rsd.state == STATE_CELL_CONTENT &&
 	   XML_READER_TYPE_TEXT  == r->rsd.node_type)
 	{
 	  if (idx >= n_var_specs)
 	    {
 	      var_spec = xrealloc (var_spec, sizeof (*var_spec) * (idx + 1));
 	      memset (var_spec + n_var_specs,
-		      0, 
+		      0,
 		      (idx - n_var_specs + 1) * sizeof (*var_spec));
 
 	      var_spec [idx].name = NULL;
@@ -838,7 +815,7 @@ ods_make_reader (struct spreadsheet *spreadsheet,
   r->spreadsheet.dict = r->dict = dict_create (
     CHAR_CAST (const char *, xmlTextReaderConstEncoding (r->rsd.xtr)));
 
-  for (i = 0; i < n_var_specs ; ++i )
+  for (i = 0; i < n_var_specs ; ++i)
     {
       struct fmt_spec fmt;
       struct variable *var = NULL;
@@ -849,7 +826,7 @@ ods_make_reader (struct spreadsheet *spreadsheet,
 
       var = dict_get_var (r->dict, i);
 
-      if ( 0 == xmlStrcmp (var_spec[i].firstval.type, _xml("date")))
+      if (0 == xmlStrcmp (var_spec[i].firstval.type, _xml("date")))
 	{
 	  fmt.type = FMT_DATE;
 	  fmt.d = 0;
@@ -861,7 +838,7 @@ ods_make_reader (struct spreadsheet *spreadsheet,
       var_set_both_formats (var, &fmt);
     }
 
-  if ( n_var_specs ==  0 )
+  if (n_var_specs ==  0)
     {
       msg (MW, _("Selected sheet or range of spreadsheet `%s' is empty."),
            spreadsheet->file_name);
@@ -892,7 +869,7 @@ ods_make_reader (struct spreadsheet *spreadsheet,
     }
 
 
-  for ( i = 0 ; i < n_var_specs ; ++i )
+  for (i = 0 ; i < n_var_specs ; ++i)
     {
       free (var_spec[i].firstval.type);
       free (var_spec[i].firstval.value);
@@ -910,8 +887,8 @@ ods_make_reader (struct spreadsheet *spreadsheet,
      &ods_file_casereader_class, r);
 
  error:
-  
-  for ( i = 0 ; i < n_var_specs ; ++i )
+
+  for (i = 0 ; i < n_var_specs ; ++i)
     {
       free (var_spec[i].firstval.type);
       free (var_spec[i].firstval.value);
@@ -946,30 +923,30 @@ ods_file_casereader_read (struct casereader *reader UNUSED, void *r_)
 
 
   /* Advance to the start of a row. (If there is one) */
-  while (r->rsd.state != STATE_ROW 
+  while (r->rsd.state != STATE_ROW
 	 && 1 == xmlTextReaderRead (r->rsd.xtr)
-	 )
+	)
     {
       process_node (r, &r->rsd);
     }
 
 
-  if ( ! reading_target_sheet (r, &r->rsd)  
+  if (! reading_target_sheet (r, &r->rsd)
        ||  r->rsd.state < STATE_TABLE
        ||  (r->stop_row != -1 && r->rsd.row > r->stop_row + 1)
-       )
+)
     {
       return NULL;
     }
 
   c = case_create (r->proto);
   case_set_missing (c);
-  
+
   while (1 == xmlTextReaderRead (r->rsd.xtr))
     {
       process_node (r, &r->rsd);
 
-      if ( r->stop_row != -1 && r->rsd.row > r->stop_row + 1)
+      if (r->stop_row != -1 && r->rsd.row > r->stop_row + 1)
 	break;
 
       if (r->rsd.state == STATE_CELL &&
@@ -979,13 +956,13 @@ ods_file_casereader_read (struct casereader *reader UNUSED, void *r_)
 	  val_string = xmlTextReaderGetAttribute (r->rsd.xtr, _xml ("office:value"));
 	}
 
-      if (r->rsd.state == STATE_CELL_CONTENT && 
+      if (r->rsd.state == STATE_CELL_CONTENT &&
 	   r->rsd.node_type == XML_READER_TYPE_TEXT)
 	{
 	  int col;
 	  struct xml_value *xmv = xzalloc (sizeof *xmv);
 	  xmv->text = xmlTextReaderValue (r->rsd.xtr);
-	  xmv->value = val_string;	 
+	  xmv->value = val_string;
 	  val_string = NULL;
 	  xmv->type = type;
 	  type = NULL;
@@ -996,7 +973,7 @@ ods_file_casereader_read (struct casereader *reader UNUSED, void *r_)
 	      const int idx = r->rsd.col - col - r->start_col - 1;
 	      if (idx < 0)
 		continue;
-	      if (r->stop_col != -1 && idx > r->stop_col - r->start_col )
+	      if (r->stop_col != -1 && idx > r->stop_col - r->start_col)
 		break;
 	      if (idx >= dict_get_var_cnt (r->dict))
 		break;
@@ -1010,13 +987,12 @@ ods_file_casereader_read (struct casereader *reader UNUSED, void *r_)
 	  xmlFree (xmv->type);
 	  free (xmv);
 	}
-      if ( r->rsd.state <= STATE_TABLE)
+      if (r->rsd.state <= STATE_TABLE)
 	break;
     }
 
   xmlFree (type);
   xmlFree (val_string);
-  
+
   return c;
 }
-#endif