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.DLD generation for uploading to divelogs.de

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This generates a .DLD file of selected dives to be uploaded to
divelogs.de. The actual upload functionality along with sensible user
interface is still to be implemented. However, the resulting file from
this patch is tested to work (as far as I can tell) using upload API of
divelogs.de.

Signed-off-by: Miika Turkia <miika.turkia@gmail.com>
Signed-off-by: Dirk Hohndel <dirk@hohndel.org>
This commit is contained in:
Miika Turkia 2013-03-10 10:24:49 +02:00 • committed by Dirk Hohndel
parent 7c6ff9f957
commit 42ea5e3510
4 changed files with 138 additions and 1 deletions
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103
divelist.c
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@ -17,6 +17,12 @@
#include <math.h>
#include <glib/gi18n.h>
#include <assert.h>
#ifdef LIBZIP
#include <zip.h>
#endif
#ifdef XSLT
#include <libxslt/transform.h>
#endif
#include "divelist.h"
#include "dive.h"
@ -1965,6 +1971,94 @@ static void delete_dive_cb(GtkWidget *menuitem, GtkTreePath *path)
mark_divelist_changed(TRUE);
}
#if defined(LIBZIP) && defined(XSLT)
static void export_selected_dives_cb(GtkWidget *menuitem, GtkTreePath *path)
{
int i;
struct dive *dive;
FILE *f;
char filename[PATH_MAX], *tempfile, *template;
size_t streamsize;
char *membuf;
xmlDoc *doc;
xsltStylesheetPtr xslt = NULL;
xmlDoc *transformed;
struct zip_source *s[dive_table.nr];
struct zip *zip;
/*
* Creating a temporary .DLD file to be eventually uploaded to
* divelogs.de. I wonder if this could be done in-memory.
*/
template = strdup("/tmp/export.DLD-XXXXXX");
tempfile = mktemp(template);
zip = zip_open(tempfile, ZIP_CREATE, NULL);
if (!zip)
return;
if (!amount_selected)
return;
/* walk the dive list in chronological order */
for (i = 0; i < dive_table.nr; i++) {
dive = get_dive(i);
if (!dive)
continue;
if (!dive->selected)
continue;
/*
* Saving the dive is done into a memory buffer
*/
f = open_memstream(&membuf, &streamsize);
if (!f)
return;
save_dive(f, dive);
fclose(f);
/*
* Parse the memory buffer into XML document and
* transform it to divelogs.de format, finally dumping
* the XML into a character buffer.
*/
doc = xmlReadMemory(membuf, strlen(membuf), "divelog", NULL, 0);
if (!doc)
continue;
xslt = get_stylesheet("divelogs-export.xslt");
transformed = xsltApplyStylesheet(xslt, doc, NULL);
xsltFreeStylesheet(xslt);
xmlDocDumpMemory(transformed, (xmlChar **) &membuf, (int *)&streamsize);
xmlFreeDoc(doc);
xmlFreeDoc(transformed);
/*
* Save the XML document into a zip file.
*/
snprintf(filename, PATH_MAX, "%d.xml", i + 1);
if ((s[i]=zip_source_buffer(zip, membuf, streamsize, 0)) == NULL || zip_add(zip, filename, s[i]) == -1)
fprintf(stderr, "failed to include dive %d\n", i);
}
zip_close(zip);
/*
* divelogs.de upload functionality should get rid of this
* message and use proper dialog to inform user of the success
* or failure of the upload
*/
fprintf(stderr, "Created .DLD file %s\n", tempfile);
free(template);
}
#endif
static void merge_dive_index(int i, struct dive *a)
{
struct dive *b = get_dive(i+1);
@ -2034,6 +2128,9 @@ static void popup_divelist_menu(GtkTreeView *tree_view, GtkTreeModel *model, int
char deleteplurallabel[] = N_("Delete dives");
char deletesinglelabel[] = N_("Delete dive");
char *deletelabel;
#if defined(LIBZIP) && defined(XSLT)
char exportlabel[] = N_("Export dive(s)");
#endif
GtkTreePath *path, *prevpath, *nextpath;
GtkTreeIter iter, previter, nextiter;
int idx, previdx, nextidx;
@ -2101,6 +2198,12 @@ static void popup_divelist_menu(GtkTreeView *tree_view, GtkTreeModel *model, int
g_signal_connect(menuitem, "activate", G_CALLBACK(delete_selected_dives_cb), path);
gtk_menu_shell_append(GTK_MENU_SHELL(menu), menuitem);
#if defined(LIBZIP) && defined(XSLT)
menuitem = gtk_menu_item_new_with_label(exportlabel);
g_signal_connect(menuitem, "activate", G_CALLBACK(export_selected_dives_cb), path);
gtk_menu_shell_append(GTK_MENU_SHELL(menu), menuitem);
#endif
menuitem = gtk_menu_item_new_with_label(editlabel);
g_signal_connect(menuitem, "activate", G_CALLBACK(edit_selected_dives_cb), NULL);
gtk_menu_shell_append(GTK_MENU_SHELL(menu), menuitem);