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/* vim: set sw=8: -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */
/*
* xlsx-utils.c : Utilities shared between xlsx import and export.
*
* Copyright (C) 2006-2007 Jody Goldberg (jody@gnome.org)
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of version 2 of the GNU General Public
* License as published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301
* USA
*/
/*****************************************************************************/
#include <gnumeric-config.h>
#include <gnumeric.h>
#include "xlsx-utils.h"
#include "parse-util.h"
#include "position.h"
#include "workbook.h"
#include "sheet.h"
#include "func.h"
#include "gnm-format.h"
#include <goffice/goffice.h>
#include <glib-object.h>
typedef struct {
GnmConventions base;
GHashTable *extern_id_by_wb;
GHashTable *extern_wb_by_id;
} XLSXExprConventions;
static void
xlsx_add_extern_id (GnmConventionsOut *out, Workbook *wb)
{
if (wb != out->pp->wb) {
XLSXExprConventions const *xconv = (XLSXExprConventions const *)out->convs;
char *id = g_hash_table_lookup (xconv->extern_id_by_wb, wb);
if (NULL == id) {
id = g_strdup_printf ("[%u]",
g_hash_table_size (xconv->extern_id_by_wb));
g_object_ref (wb);
g_hash_table_insert (xconv->extern_id_by_wb, wb, id);
}
g_string_append (out->accum, id);
}
}
static Workbook *
xlsx_lookup_external_wb (GnmConventions const *convs,
G_GNUC_UNUSED Workbook *ref_wb,
char const *name)
{
XLSXExprConventions const *xconv = (XLSXExprConventions const *)convs;
g_print ("lookup '%s'\n", name);
return g_hash_table_lookup (xconv->extern_wb_by_id, name);
}
static void
xlsx_cellref_as_string (GnmConventionsOut *out,
GnmCellRef const *cell_ref,
gboolean no_sheetname)
{
Sheet const *sheet = cell_ref->sheet;
/* If it is a non-local reference, add the path to the external sheet */
if (sheet != NULL) {
xlsx_add_extern_id (out, sheet->workbook);
g_string_append (out->accum, sheet->name_quoted);
g_string_append_c (out->accum, '!');
}
cellref_as_string (out, cell_ref, TRUE);
}
static void
xlsx_rangeref_as_string (GnmConventionsOut *out, GnmRangeRef const *ref)
{
if (ref->a.sheet) {
GnmRangeRef local_ref = *ref;
xlsx_add_extern_id (out, ref->a.sheet->workbook);
local_ref.a.sheet = local_ref.b.sheet = NULL;
g_string_append (out->accum, ref->a.sheet->name_quoted);
if (ref->b.sheet != NULL && ref->a.sheet != ref->b.sheet) {
g_string_append_c (out->accum, ':');
g_string_append (out->accum, ref->b.sheet->name_quoted);
}
g_string_append_c (out->accum, '!');
rangeref_as_string (out, &local_ref);
} else
rangeref_as_string (out, ref);
}
Workbook *
xlsx_conventions_add_extern_ref (GnmConventions *convs, char const *path)
{
XLSXExprConventions *xconv = (XLSXExprConventions *)convs;
Workbook *res = g_object_new (WORKBOOK_TYPE, NULL);
(void) go_doc_set_uri (GO_DOC (res), path);
g_hash_table_insert (xconv->extern_wb_by_id,
g_strdup_printf ("%d", g_hash_table_size (xconv->extern_wb_by_id) + 1),
res);
g_print ("add %d = '%s'\n", g_hash_table_size (xconv->extern_wb_by_id), path);
return res;
}
GnmConventions *
xlsx_conventions_new (void)
{
GnmConventions *convs = gnm_conventions_new_full (
sizeof (XLSXExprConventions));
XLSXExprConventions *xconv = (XLSXExprConventions *)convs;
convs->decimal_sep_dot = TRUE;
convs->input.range_ref = rangeref_parse;
convs->input.external_wb = xlsx_lookup_external_wb;
convs->output.cell_ref = xlsx_cellref_as_string;
convs->output.range_ref = xlsx_rangeref_as_string;
convs->range_sep_colon = TRUE;
convs->sheet_name_sep = '!';
convs->arg_sep = ',';
convs->array_col_sep = ',';
convs->array_row_sep = ';';
convs->output.translated = FALSE;
xconv->extern_id_by_wb = g_hash_table_new_full (g_direct_hash, g_direct_equal,
(GDestroyNotify) g_object_unref, g_free);
xconv->extern_wb_by_id = g_hash_table_new_full (g_str_hash, g_str_equal,
g_free, (GDestroyNotify) g_object_unref);
return convs;
}
void
xlsx_conventions_free (GnmConventions *convs)
{
XLSXExprConventions *xconv = (XLSXExprConventions *)convs;
g_hash_table_destroy (xconv->extern_id_by_wb);
g_hash_table_destroy (xconv->extern_wb_by_id);
gnm_conventions_free (convs);
}
/**
* xlsx_pivot_date_fmt :
*
* Returns : A #GOFormat in the convention used for dates in pivot tables.
**/
GOFormat *
xlsx_pivot_date_fmt (void)
{
return go_format_new_from_XL ("yyyy-mm-dd\"T\"hh:mm:ss");
}
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