aboutsummaryrefslogtreecommitdiffstats
path: root/my-evolution/e-summary-rdf.c
diff options
context:
space:
mode:
Diffstat (limited to 'my-evolution/e-summary-rdf.c')
-rw-r--r--my-evolution/e-summary-rdf.c721
1 files changed, 0 insertions, 721 deletions
diff --git a/my-evolution/e-summary-rdf.c b/my-evolution/e-summary-rdf.c
deleted file mode 100644
index 7fab2f8957..0000000000
--- a/my-evolution/e-summary-rdf.c
+++ /dev/null
@@ -1,721 +0,0 @@
-/* -*- Mode: C; indent-tabs-mode: t; c-basic-offset: 8; tab-width: 8 -*- */
-/* e-summary-rdf.c
- *
- * Copyright (C) 2001 Ximian, Inc.
- *
- * 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., 59 Temple Place - Suite 330,
- * Boston, MA 02111-1307, USA.
- *
- * Author: Iain Holmes
- */
-
-#ifdef HAVE_CONFIG_H
-#include <config.h>
-#endif
-
-#include <stdlib.h>
-#include <glib.h>
-#include <gtk/gtkmain.h>
-
-#include <gnome-xml/parser.h>
-#include <gnome-xml/xmlmemory.h>
-
-#include <libgnome/gnome-defs.h>
-#include <libgnome/gnome-i18n.h>
-#include <gal/widgets/e-unicode.h>
-#include <libgnomevfs/gnome-vfs.h>
-#include "e-summary.h"
-
-struct _ESummaryRDF {
- ESummaryConnection *connection;
- GList *rdfs;
-
- char *html;
- guint32 timeout;
- gboolean online;
-};
-
-typedef struct _RDF {
- char *uri;
- char *html;
- GnomeVFSAsyncHandle *handle;
- GString *string;
- char *buffer;
-
- xmlDocPtr cache;
- ESummary *summary;
-
- gboolean shown;
-} RDF;
-
-int xmlSubstituteEntitiesDefaultValue = 1;
-
-char *
-e_summary_rdf_get_html (ESummary *summary)
-{
- GList *rdfs;
- char *html;
- GString *string;
-
- if (summary->rdf == NULL) {
- return NULL;
- }
-
- string = g_string_new ("");
- for (rdfs = summary->rdf->rdfs; rdfs; rdfs = rdfs->next) {
- if (((RDF *)rdfs->data)->html == NULL) {
- continue;
- }
-
- g_string_append (string, ((RDF *)rdfs->data)->html);
- }
-
- html = string->str;
- g_string_free (string, FALSE);
- return html;
-}
-
-/************ RDF Parser *******************/
-
-static char *
-layer_find (xmlNodePtr node,
- char *match,
- char *fail)
-{
- while (node!=NULL) {
-#ifdef RDF_DEBUG
- xmlDebugDumpNode (stdout, node, 32);
- printf("%s.\n", node->name);
-#endif
- if (strcasecmp (node->name, match)==0) {
- if (node->childs != NULL && node->childs->content != NULL) {
- return node->childs->content;
- } else {
- return fail;
- }
- }
- node = node->next;
- }
- return fail;
-}
-
-static char *
-layer_find_url (xmlNodePtr node,
- char *match,
- char *fail)
-{
- char *p = layer_find (node, match, fail);
- char *r = p;
- static char *wb = NULL;
- char *w;
-
- if (wb) {
- g_free (wb);
- }
-
- wb = w = g_malloc (3 * strlen (p));
-
- if (*r == ' ') r++; /* Fix UF bug */
-
- while (*r) {
- if (strncmp (r, "&amp;", 5) == 0) {
- *w++ = '&';
- r += 5;
- continue;
- }
- if (strncmp (r, "&lt;", 4) == 0) {
- *w++ = '<';
- r += 4;
- continue;
- }
- if (strncmp (r, "&gt;", 4) == 0) {
- *w++ = '>';
- r += 4;
- continue;
- }
- if (*r == '"' || *r == ' '){
- *w++ = '%';
- *w++ = "0123456789ABCDEF"[*r/16];
- *w++ = "0123456789ABCDEF"[*r&15];
- r++;
- continue;
- }
- *w++ = *r++;
- }
- *w = 0;
- return wb;
-}
-
-static void
-tree_walk (xmlNodePtr root,
- RDF *r,
- GString *html)
-{
- xmlNodePtr walk;
- xmlNodePtr rewalk = root;
- xmlNodePtr channel = NULL;
- xmlNodePtr image = NULL;
- xmlNodePtr item[16];
- int items = 0;
- int limit;
- int i;
- char *t, *u;
- char *tmp;
-
- if (r->summary->preferences == NULL) {
- limit = 10;
- } else {
- limit = r->summary->preferences->limit;
- }
-
- /* FIXME: Need arrows */
- if (r->shown == FALSE) {
- char *p;
-
- /* FIXME: Hash table & UID */
- p = g_strdup_printf ("<font size=\"-2\"><a href=\"rdf://%d\">(+)</a></font>", GPOINTER_TO_INT (r));
- g_string_append (html, p);
- g_free (p);
- } else {
- char *p;
-
- /* FIXME: Hash table & UID */
- p = g_strdup_printf ("<font size=\"-2\"><a href=\"rdf://%d\">(-)</a></font>", GPOINTER_TO_INT (r));
- g_string_append (html, p);
- g_free (p);
- }
-
- do {
- walk = rewalk;
- rewalk = NULL;
-
- while (walk!=NULL){
-#ifdef RDF_DEBUG
- printf ("%p, %s\n", walk, walk->name);
-#endif
- if (strcasecmp (walk->name, "rdf") == 0) {
- rewalk = walk->childs;
- walk = walk->next;
- continue;
- }
- if (strcasecmp (walk->name, "rss") == 0){
- rewalk = walk->childs;
- walk = walk->next;
- continue;
- }
- /* This is the channel top level */
-#ifdef RDF_DEBUG
- printf ("Top level '%s'.\n", walk->name);
-#endif
- if (strcasecmp (walk->name, "channel") == 0) {
- channel = walk;
- rewalk = channel->childs;
- }
- if (strcasecmp (walk->name, "image") == 0) {
- image = walk;
- g_print ("Image\n");
- }
- if (strcasecmp (walk->name, "item") == 0 && items < 16) {
- item[items++] = walk;
- }
- walk = walk->next;
- }
- }
- while (rewalk);
-
- if (channel == NULL) {
- fprintf(stderr, "No channel definition.\n");
- return;
- }
-
- t = layer_find(channel->childs, "title", "");
- u = layer_find(channel->childs, "link", "");
-
- if (*u != '\0')
- g_string_sprintfa (html, "<a href=\"%s\">", u);
- if (r->cache->encoding)
- t = e_utf8_from_charset_string (r->cache->encoding, t);
- else
- t = e_utf8_from_locale_string (t);
- g_string_append (html, t);
- g_free (t);
- if (*u != '\0') {
- g_string_append (html, "</a>");
- }
- g_string_append (html, "</b></dt>");
-
- if (r->shown == FALSE) {
- g_string_append (html, "</dl>");
- return;
- }
-
- g_string_append (html, "<ul>");
-
- items = MIN (limit, items);
- for (i = 0; i < items; i++) {
- char *p = layer_find (item[i]->childs, "title", "No information");
-
- tmp = g_strdup_printf ("<LI><font size=\"-1\"><A href=\"%s\">\n", layer_find_url(item[i]->childs, "link", ""));
- g_string_append (html, tmp);
- g_free (tmp);
-
- if (r->cache->encoding)
- p = e_utf8_from_charset_string (r->cache->encoding, p);
- else
- p = e_utf8_from_locale_string (p);
- tmp = g_strdup_printf ("%s\n</A></font></li>", p);
- g_free (p);
- g_string_append (html, tmp);
- g_free (tmp);
- }
- g_string_append (html, "</UL>");
-}
-
-static void
-display_doc (RDF *r)
-{
- GString *html;
-
- html = g_string_new ("<dl><dt><img src=\"ico-rdf.png\" align=\"middle\" "
- "width=\"48\" height=\"48\">");
-
- if (r->cache == NULL) {
- char *tmp_utf, *str;
-
- str = g_strdup_printf ("<b>%s:</b><br>%s", _("Error downloading RDF"),
- r->uri);
- tmp_utf = e_utf8_from_locale_string (str);
- g_free (str);
-
- g_string_append (html, tmp_utf);
- g_string_append (html, "</dt>");
- g_free (tmp_utf);
- } else {
- tree_walk (r->cache->root, r, html);
- }
-
- g_free (r->html);
- g_string_append (html, "</dl>");
- r->html = html->str;
- g_string_free (html, FALSE);
-
- e_summary_draw (r->summary);
-}
-
-static void
-close_callback (GnomeVFSAsyncHandle *handle,
- GnomeVFSResult result,
- RDF *r)
-{
- ESummary *summary;
- char *xml;
- xmlDocPtr doc;
-
- summary = r->summary;
- if (summary->rdf->connection->callback) {
- ESummaryConnection *connection = summary->rdf->connection;
- connection->callback (summary, connection->callback_closure);
- }
-
- if (r->handle == NULL) {
- g_free (r->buffer);
- r->buffer = NULL;
- g_string_free (r->string, TRUE);
- r->string = NULL;
- return;
- }
-
- r->handle = NULL;
- g_free (r->buffer);
- r->buffer = NULL;
- xml = r->string->str;
- g_string_free (r->string, FALSE);
- r->string = NULL;
-
- if (r->cache != NULL) {
- xmlFreeDoc (r->cache);
- r->cache = NULL;
- }
-
- doc = xmlParseMemory (xml, strlen (xml));
-#if 0
- if (doc == NULL) {
- g_free (r->html);
- r->html = g_strdup ("<b>Error parsing XML</b>");
-
- e_summary_draw (r->summary);
- g_free (xml);
- return;
- }
-#endif
- g_free (xml);
- r->cache = doc;
-
- /* Draw it */
- display_doc (r);
-}
-
-static void
-read_callback (GnomeVFSAsyncHandle *handle,
- GnomeVFSResult result,
- gpointer buffer,
- GnomeVFSFileSize bytes_requested,
- GnomeVFSFileSize bytes_read,
- RDF *r)
-{
- if (result != GNOME_VFS_OK && result != GNOME_VFS_ERROR_EOF) {
- char *str;
-
- g_free (r->html);
- str = g_strdup_printf ("<b>%s:</b><br>%s", _("Error downloading RDF"),
- r->uri);
- r->html = e_utf8_from_locale_string (str);
-
- g_free (str);
-
- e_summary_draw (r->summary);
- r->handle = NULL;
- gnome_vfs_async_close (handle,
- (GnomeVFSAsyncCloseCallback) close_callback, r);
- return;
- }
-
- if (bytes_read == 0) {
- gnome_vfs_async_close (handle,
- (GnomeVFSAsyncCloseCallback) close_callback, r);
- } else {
- *((char *) buffer + bytes_read) = 0;
- g_string_append (r->string, (const char *) buffer);
- gnome_vfs_async_read (handle, buffer, 4095,
- (GnomeVFSAsyncReadCallback) read_callback, r);
- }
-}
-
-static void
-open_callback (GnomeVFSAsyncHandle *handle,
- GnomeVFSResult result,
- RDF *r)
-{
- if (result != GNOME_VFS_OK) {
- char *str;
-
- r->handle = NULL;
- g_free (r->html);
- str = g_strdup_printf ("<b>%s:</b><br>%s", _("Error downloading RDF"),
- r->uri);
- r->html = e_utf8_from_locale_string (str);
- g_free (str);
-
- display_doc (r);
- return;
- }
-
- r->string = g_string_new ("");
- r->buffer = g_new (char, 4096);
-
- gnome_vfs_async_read (handle, r->buffer, 4095,
- (GnomeVFSAsyncReadCallback) read_callback, r);
-}
-
-gboolean
-e_summary_rdf_update (ESummary *summary)
-{
- GList *r;
-
- if (summary->rdf->online == FALSE) {
- g_warning ("%s: Repolling but offline", __FUNCTION__);
- return TRUE;
- }
-
- for (r = summary->rdf->rdfs; r; r = r->next) {
- RDF *rdf = r->data;
-
- if (rdf->handle) {
- gnome_vfs_async_cancel (rdf->handle);
- rdf->handle = NULL;
- }
-
- if (rdf->buffer) {
- g_free (rdf->buffer);
- rdf->buffer = NULL;
- }
-
- if (rdf->string) {
- g_string_free (rdf->string, TRUE);
- rdf->string = NULL;
- }
-
- g_warning ("Opening %s", rdf->uri);
- gnome_vfs_async_open (&rdf->handle, rdf->uri,
- GNOME_VFS_OPEN_READ,
- (GnomeVFSAsyncOpenCallback) open_callback, rdf);
- }
-
- return TRUE;
-}
-
-static void
-e_summary_rdf_add_uri (ESummary *summary,
- const char *uri)
-{
- RDF *r;
-
- r = g_new0 (RDF, 1);
- r->summary = summary;
- r->uri = g_strdup (uri);
- r->shown = TRUE;
- summary->rdf->rdfs = g_list_append (summary->rdf->rdfs, r);
-}
-
-static void
-e_summary_rdf_protocol (ESummary *summary,
- const char *uri,
- void *closure)
-{
- RDF *r;
- int a;
-
- a = atoi (uri + 6);
- if (a == 0) {
- g_warning ("A == 0");
- return;
- }
-
- r = (RDF *) GINT_TO_POINTER (a);
- r->shown = !r->shown;
-
- display_doc (r);
-}
-
-static int
-e_summary_rdf_count (ESummary *summary,
- void *data)
-{
- ESummaryRDF *rdf;
- GList *p;
- int count = 0;
-
- rdf = summary->rdf;
- for (p = rdf->rdfs; p; p = p->next) {
- RDF *r = p->data;
-
- if (r->handle != NULL) {
- count++;
- }
- }
-
- return count;
-}
-
-static ESummaryConnectionData *
-make_connection (RDF *r)
-{
- ESummaryConnectionData *d;
-
- d = g_new (ESummaryConnectionData, 1);
- d->hostname = g_strdup (r->uri);
- d->type = g_strdup (_("News Feed"));
-
- return d;
-}
-
-static GList *
-e_summary_rdf_add (ESummary *summary,
- void *data)
-{
- ESummaryRDF *rdf;
- GList *p, *connections = NULL;
-
- rdf = summary->rdf;
- for (p = rdf->rdfs; p; p = p->next) {
- RDF *r = p->data;
-
- if (r->handle != NULL) {
- ESummaryConnectionData *d;
-
- d = make_connection (r);
- connections = g_list_prepend (connections, d);
- }
- }
-
- return connections;
-}
-
-static void
-rdf_free (RDF *r)
-{
- /* Stop the download */
- if (r->handle) {
- gnome_vfs_async_cancel (r->handle);
- }
-
- g_free (r->uri);
- g_free (r->html);
- g_free (r->buffer);
-
- if (r->string) {
- g_string_free (r->string, TRUE);
- }
-
- if (r->cache) {
- xmlFreeDoc (r->cache);
- }
-
- g_free (r);
-}
-
-static void
-e_summary_rdf_set_online (ESummary *summary,
- GNOME_Evolution_OfflineProgressListener progress,
- gboolean online,
- void *data)
-{
- ESummaryRDF *rdf;
- GList *p;
-
- rdf = summary->rdf;
- if (rdf->online == online) {
- return;
- }
-
- if (online == TRUE) {
- e_summary_rdf_update (summary);
- rdf->timeout = gtk_timeout_add (summary->preferences->rdf_refresh_time * 1000,
- (GtkFunction) e_summary_rdf_update,
- summary);
- } else {
- for (p = rdf->rdfs; p; p = p->next) {
- RDF *r;
-
- r = p->data;
- if (r->handle) {
- gnome_vfs_async_cancel (r->handle);
- r->handle = NULL;
- }
- }
-
- gtk_timeout_remove (rdf->timeout);
- rdf->timeout = 0;
- }
-
- rdf->online = online;
-}
-
-void
-e_summary_rdf_init (ESummary *summary)
-{
- ESummaryPrefs *prefs;
- ESummaryRDF *rdf;
- ESummaryConnection *connection;
- int timeout;
-
- g_return_if_fail (summary != NULL);
- g_return_if_fail (IS_E_SUMMARY (summary));
-
- prefs = summary->preferences;
- rdf = g_new0 (ESummaryRDF, 1);
- summary->rdf = rdf;
-
- connection = g_new (ESummaryConnection, 1);
- connection->count = e_summary_rdf_count;
- connection->add = e_summary_rdf_add;
- connection->set_online = e_summary_rdf_set_online;
- connection->closure = NULL;
- connection->callback = NULL;
- connection->callback_closure = NULL;
-
- rdf->connection = connection;
- rdf->online = TRUE;
- e_summary_add_online_connection (summary, connection);
-
- e_summary_add_protocol_listener (summary, "rdf", e_summary_rdf_protocol, rdf);
- if (prefs == NULL) {
- e_summary_rdf_add_uri (summary, "http://www.cnn.com/cnn.rss");
- timeout = 600;
- } else {
- GList *p;
-
- for (p = prefs->rdf_urls; p; p = p->next) {
- e_summary_rdf_add_uri (summary, p->data);
- }
- timeout = prefs->rdf_refresh_time;
- }
-
- e_summary_rdf_update (summary);
- rdf->timeout = gtk_timeout_add (timeout * 1000,
- (GtkFunction) e_summary_rdf_update, summary);
-
- return;
-}
-
-void
-e_summary_rdf_reconfigure (ESummary *summary)
-{
- ESummaryRDF *rdf;
- GList *old, *p;
-
- g_return_if_fail (summary != NULL);
- g_return_if_fail (IS_E_SUMMARY (summary));
-
- rdf = summary->rdf;
-
- /* Stop timeout */
- gtk_timeout_remove (rdf->timeout);
-
- old = rdf->rdfs;
- rdf->rdfs = NULL;
- for (p = old; p; p = p->next) {
- RDF *r;
-
- r = p->data;
- rdf_free (r);
- }
- g_list_free (old);
-
- for (p = summary->preferences->rdf_urls; p; p = p->next) {
- e_summary_rdf_add_uri (summary, p->data);
- }
-
- rdf->timeout = gtk_timeout_add (summary->preferences->rdf_refresh_time * 1000, (GtkFunction) e_summary_rdf_update, summary);
- e_summary_rdf_update (summary);
-}
-
-void
-e_summary_rdf_free (ESummary *summary)
-{
- ESummaryRDF *rdf;
- GList *p;
-
- g_return_if_fail (summary != NULL);
- g_return_if_fail (IS_E_SUMMARY (summary));
-
- rdf = summary->rdf;
-
- if (rdf->timeout != 0) {
- gtk_timeout_remove (rdf->timeout);
- }
- for (p = rdf->rdfs; p; p = p->next) {
- RDF *r = p->data;
-
- rdf_free (r);
- }
- g_list_free (rdf->rdfs);
- g_free (rdf->html);
-
- e_summary_remove_online_connection (summary, rdf->connection);
- g_free (rdf->connection);
-
- g_free (rdf);
- summary->rdf = NULL;
-}
generated by cgit (git 2.34.1) at 2024-12-26 14:38:24 +0800