[gnome-applets/wip/gnome-3.10+: 5/48] gweather: add gweather-xml.[c/h] files

[Alberts Muktupāvels <muktupavels src gnome org>]

commit 2ef19649b573aa5d4a32300268d2dd2c204b8b76
Author: Alberts Muktupāvels <alberts muktupavels gmail com>
Date:   Fri Jul 4 15:04:32 2014 +0300

    gweather: add gweather-xml.[c/h] files
    
    Add gweather-xml.[c/h] files from libgweather. They were removed
    with commit - 354f1aa9003ee08c6e63ecbaaa6b9179b9178184. This commit
    add those files without any modification.

 gweather/gweather-xml.c |  154 +++++++++++++++++++++++++++++++++++++++++++++++
 gweather/gweather-xml.h |   39 ++++++++++++
 2 files changed, 193 insertions(+), 0 deletions(-)
---
diff --git a/gweather/gweather-xml.c b/gweather/gweather-xml.c
new file mode 100644
index 0000000..fa39618
--- /dev/null
+++ b/gweather/gweather-xml.c
@@ -0,0 +1,154 @@
+/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 4 -*- */
+/* gweather-xml.c - Locations.xml parsing code
+ *
+ * Copyright (C) 2005 Ryan Lortie, 2004 Gareth Owen
+ *
+ * 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 the Free Software Foundation; either version 2 of the
+ * License, or (at your option) any later version.
+ *
+ * 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, see
+ * <http://www.gnu.org/licenses/>.
+ */
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+
+#include <string.h>
+#include <math.h>
+#include <locale.h>
+#include <gtk/gtk.h>
+#include <libxml/xmlreader.h>
+
+#define GWEATHER_I_KNOW_THIS_IS_UNSTABLE
+#include "gweather-xml.h"
+#include "weather-priv.h"
+
+
+/**
+ * SECTION:gweather-xml
+ * @Title: gweather-xml
+ */
+
+
+static gboolean
+gweather_xml_parse_node (GWeatherLocation *gloc,
+                        GtkTreeStore *store, GtkTreeIter *parent)
+{
+    GtkTreeIter iter, *self = &iter;
+    GWeatherLocation **children, *parent_loc;
+    GWeatherLocationLevel level;
+    WeatherLocation *wloc;
+    const char *name;
+    int i;
+
+    name = gweather_location_get_name (gloc);
+    children = gweather_location_get_children (gloc);
+    level = gweather_location_get_level (gloc);
+
+    if (!children[0] && level < GWEATHER_LOCATION_WEATHER_STATION) {
+       gweather_location_free_children (gloc, children);
+       return TRUE;
+    }
+
+    switch (gweather_location_get_level (gloc)) {
+    case GWEATHER_LOCATION_WORLD:
+    case GWEATHER_LOCATION_ADM2:
+       self = parent;
+       break;
+
+    case GWEATHER_LOCATION_REGION:
+    case GWEATHER_LOCATION_COUNTRY:
+    case GWEATHER_LOCATION_ADM1:
+       /* Create a row with a name but no WeatherLocation */
+       gtk_tree_store_append (store, &iter, parent);
+       gtk_tree_store_set (store, &iter,
+                           GWEATHER_XML_COL_LOCATION_NAME, name,
+                           -1);
+       break;
+
+    case GWEATHER_LOCATION_CITY:
+       /* If multiple children, treat this like a
+        * region/country/adm1. If a single child, merge with that
+        * location.
+        */
+       gtk_tree_store_append (store, &iter, parent);
+       gtk_tree_store_set (store, &iter,
+                           GWEATHER_XML_COL_LOCATION_NAME, name,
+                           -1);
+       if (children[0] && !children[1]) {
+           wloc = _weather_location_from_gweather_location (children[0], name);
+           gtk_tree_store_set (store, &iter,
+                               GWEATHER_XML_COL_METAR_CODE, wloc->code,
+                               GWEATHER_XML_COL_LATLON_VALID, wloc->latlon_valid,
+                               GWEATHER_XML_COL_LATITUDE, wloc->latitude,
+                               GWEATHER_XML_COL_LONGITUDE, wloc->longitude,
+                               -1);
+           _weather_location_free (wloc);
+       }
+       break;
+
+    case GWEATHER_LOCATION_WEATHER_STATION:
+       gtk_tree_store_append (store, &iter, parent);
+       gtk_tree_store_set (store, &iter,
+                           GWEATHER_XML_COL_LOCATION_NAME, name,
+                           -1);
+
+       parent_loc = gweather_location_get_parent (gloc);
+       if (parent_loc && gweather_location_get_level (parent_loc) == GWEATHER_LOCATION_CITY)
+           name = gweather_location_get_name (parent_loc);
+       wloc = _weather_location_from_gweather_location (gloc, name);
+       gtk_tree_store_set (store, &iter,
+                           GWEATHER_XML_COL_METAR_CODE, wloc->code,
+                           GWEATHER_XML_COL_LATLON_VALID, wloc->latlon_valid,
+                           GWEATHER_XML_COL_LATITUDE, wloc->latitude,
+                           GWEATHER_XML_COL_LONGITUDE, wloc->longitude,
+                           -1);
+       _weather_location_free (wloc);
+
+    case GWEATHER_LOCATION_DETACHED:
+       g_assert_not_reached ();
+
+       break;
+    }
+
+    for (i = 0; children[i]; i++) {
+       if (!gweather_xml_parse_node (children[i], store, self)) {
+           gweather_location_free_children (gloc, children);
+           return FALSE;
+       }
+    }
+
+    gweather_location_free_children (gloc, children);
+    return TRUE;
+}
+
+GtkTreeModel *
+gweather_xml_load_locations (void)
+{
+    GWeatherLocation *world;
+    GtkTreeStore *store;
+
+    world = gweather_location_new_world (TRUE);
+    if (!world)
+       return NULL;
+
+    store = gtk_tree_store_new (2, G_TYPE_STRING, G_TYPE_STRING, G_TYPE_BOOLEAN, G_TYPE_DOUBLE, 
G_TYPE_DOUBLE);
+
+    if (!gweather_xml_parse_node (world, store, NULL)) {
+       g_object_unref (store);
+       store = NULL;
+    }
+
+    gweather_location_unref (world);
+
+    return (GtkTreeModel *)store;
+}
diff --git a/gweather/gweather-xml.h b/gweather/gweather-xml.h
new file mode 100644
index 0000000..b5679c4
--- /dev/null
+++ b/gweather/gweather-xml.h
@@ -0,0 +1,39 @@
+/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 4 -*- */
+/* gweather-xml.h
+ *
+ * Copyright (C) 2004 Gareth Owen
+ *
+ * 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
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * 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, see
+ * <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef __GWEATHER_XML_H__
+#define __GWEATHER_XML_H__
+
+#include <gtk/gtk.h>
+#include <libgweather/gweather-weather.h>
+
+enum
+{
+    GWEATHER_XML_COL_LOCATION_NAME = 0,
+    GWEATHER_XML_COL_METAR_CODE,
+    GWEATHER_XML_COL_LATLON_VALID,
+    GWEATHER_XML_COL_LATITUDE,
+    GWEATHER_XML_COL_LONGITUDE,
+    GWEATHER_XML_NUM_COLUMNS
+};
+
+GtkTreeModel *gweather_xml_load_locations (void);
+
+#endif /* __GWEATHER_XML_H__ */