| 1 | /* -*- Mode: C; indent-tabs-mode: t; c-basic-offset: 8; tab-width: 8 -*- */ |
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| 2 | |
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| 3 | /* |
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| 4 | * Copyright (C) 2000 Eazel, Inc |
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| 5 | * |
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| 6 | * This program is free software; you can redistribute it and/or |
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| 7 | * modify it under the terms of the GNU General Public License as |
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| 8 | * published by the Free Software Foundation; either version 2 of the |
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| 9 | * License, or (at your option) any later version. |
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| 10 | * |
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| 11 | * This program is distributed in the hope that it will be useful, |
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| 12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
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| 13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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| 14 | * General Public License for more details. |
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| 15 | * |
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| 16 | * You should have received a copy of the GNU General Public |
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| 17 | * License along with this program; if not, write to the |
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| 18 | * Free Software Foundation, Inc., 59 Temple Place - Suite 330, |
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| 19 | * Boston, MA 02111-1307, USA. |
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| 20 | * |
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| 21 | * Author: J Shane Culpepper <pepper@eazel.com> |
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| 22 | */ |
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| 23 | |
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| 24 | #include <config.h> |
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| 25 | |
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| 26 | #include "eazel-summary-shared.h" |
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| 27 | |
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| 28 | #include <libtrilobite/libtrilobite.h> |
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| 29 | #include <gnome.h> |
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| 30 | #include <glib.h> |
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| 31 | #include <gnome-xml/tree.h> |
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| 32 | #include <gnome-xml/parser.h> |
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| 33 | #include <stdio.h> |
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| 34 | #include <stdlib.h> |
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| 35 | #include <unistd.h> |
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| 36 | |
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| 37 | static GList * build_services_glist_from_xml (xmlNodePtr node); |
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| 38 | static GList * build_eazel_news_glist_from_xml (xmlNodePtr node); |
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| 39 | static GList * build_update_news_glist_from_xml (xmlNodePtr node); |
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| 40 | static SummaryData * summary_data_new (void); |
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| 41 | static ServicesData * services_data_new (void); |
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| 42 | static EazelNewsData * eazel_news_data_new (void); |
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| 43 | static UpdateNewsData * update_news_data_new (void); |
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| 44 | static ServicesData * parse_a_service (xmlNodePtr node); |
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| 45 | static EazelNewsData * parse_a_eazel_news_item (xmlNodePtr node); |
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| 46 | static UpdateNewsData * parse_a_update_news_item (xmlNodePtr node); |
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| 47 | |
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| 48 | |
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| 49 | static SummaryData * |
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| 50 | summary_data_new () |
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| 51 | { |
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| 52 | SummaryData *return_value; |
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| 53 | return_value = g_new0 (SummaryData, 1); |
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| 54 | |
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| 55 | return_value->services_list = NULL; |
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| 56 | return_value->eazel_news_list = NULL; |
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| 57 | return_value->update_news_list = NULL; |
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| 58 | |
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| 59 | return return_value; |
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| 60 | |
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| 61 | } /* end summary_data_new */ |
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| 62 | |
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| 63 | static ServicesData * |
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| 64 | services_data_new () |
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| 65 | { |
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| 66 | ServicesData *return_value; |
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| 67 | return_value = g_new0 (ServicesData, 1); |
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| 68 | |
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| 69 | return_value->name = NULL; |
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| 70 | return_value->icon = NULL; |
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| 71 | return_value->button_label = NULL; |
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| 72 | return_value->description_header = NULL; |
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| 73 | return_value->description = NULL; |
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| 74 | return_value->enabled = TRUE; |
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| 75 | |
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| 76 | return return_value; |
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| 77 | |
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| 78 | } /* end services_data_new */ |
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| 79 | |
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| 80 | static EazelNewsData * |
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| 81 | eazel_news_data_new () |
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| 82 | { |
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| 83 | EazelNewsData *return_value; |
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| 84 | return_value = g_new0 (EazelNewsData, 1); |
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| 85 | |
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| 86 | return_value->name = NULL; |
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| 87 | return_value->icon = NULL; |
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| 88 | return_value->date = NULL; |
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| 89 | return_value->message = NULL; |
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| 90 | |
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| 91 | return return_value; |
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| 92 | |
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| 93 | } /* end eazel_news_data_new */ |
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| 94 | |
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| 95 | static UpdateNewsData * |
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| 96 | update_news_data_new () |
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| 97 | { |
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| 98 | UpdateNewsData *return_value; |
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| 99 | return_value = g_new0 (UpdateNewsData, 1); |
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| 100 | |
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| 101 | return_value->name = NULL; |
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| 102 | return_value->version = NULL; |
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| 103 | return_value->priority = NULL; |
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| 104 | return_value->description = NULL; |
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| 105 | return_value->icon = NULL; |
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| 106 | return_value->button_label = NULL; |
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| 107 | return_value->uri = NULL; |
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| 108 | return_value->softcat_uri = NULL; |
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| 109 | |
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| 110 | return return_value; |
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| 111 | |
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| 112 | } /* end update_news_data_new */ |
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| 113 | |
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| 114 | static ServicesData * |
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| 115 | parse_a_service (xmlNodePtr node) |
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| 116 | { |
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| 117 | ServicesData *return_value; |
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| 118 | char *tempbuf; |
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| 119 | |
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| 120 | return_value = services_data_new (); |
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| 121 | |
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| 122 | return_value->name = g_strdup (trilobite_xml_get_string (node, "NAME")); |
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| 123 | return_value->icon = g_strdup (trilobite_xml_get_string (node, "ICON")); |
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| 124 | return_value->button_label = g_strdup (trilobite_xml_get_string (node, "BUTTON_LABEL")); |
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| 125 | return_value->uri = g_strdup (trilobite_xml_get_string (node, "URI")); |
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| 126 | return_value->description_header = g_strdup (trilobite_xml_get_string (node, "DESCRIPTION_HEADER")); |
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| 127 | return_value->description = g_strdup (trilobite_xml_get_string (node, "DESCRIPTION")); |
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| 128 | tempbuf = g_strdup (trilobite_xml_get_string (node, "ENABLED")); |
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| 129 | if (tempbuf[0] == 'T' || tempbuf[0] == 't') { |
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| 130 | return_value->enabled = TRUE; |
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| 131 | } |
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| 132 | else if (tempbuf[0] == 'F' || tempbuf[0] == 'f') { |
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| 133 | return_value->enabled = FALSE; |
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| 134 | } |
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| 135 | else { |
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| 136 | g_warning (_("Could not find a valid boolean value for grey_out!")); |
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| 137 | return_value->enabled = FALSE; |
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| 138 | } |
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| 139 | |
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| 140 | return return_value; |
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| 141 | |
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| 142 | } /* end parse_a_service */ |
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| 143 | |
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| 144 | static EazelNewsData * |
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| 145 | parse_a_eazel_news_item (xmlNodePtr node) |
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| 146 | { |
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| 147 | EazelNewsData *return_value; |
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| 148 | return_value = eazel_news_data_new (); |
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| 149 | |
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| 150 | return_value->name = g_strdup (trilobite_xml_get_string (node, "NAME")); |
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| 151 | return_value->icon = g_strdup (trilobite_xml_get_string (node, "ICON")); |
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| 152 | return_value->date = g_strdup (trilobite_xml_get_string (node, "DATE")); |
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| 153 | return_value->message = g_strdup (trilobite_xml_get_string (node, "MESSAGE")); |
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| 154 | |
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| 155 | return return_value; |
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| 156 | |
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| 157 | } /* end parse_a_eazel_news_item */ |
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| 158 | |
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| 159 | static UpdateNewsData * |
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| 160 | parse_a_update_news_item (xmlNodePtr node) |
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| 161 | { |
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| 162 | UpdateNewsData *return_value; |
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| 163 | return_value = update_news_data_new (); |
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| 164 | |
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| 165 | return_value->name = g_strdup (trilobite_xml_get_string (node, "NAME")); |
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| 166 | return_value->version = g_strdup (trilobite_xml_get_string (node, "VERSION")); |
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| 167 | return_value->priority = g_strdup (trilobite_xml_get_string (node, "PRIORITY")); |
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| 168 | return_value->description = g_strdup (trilobite_xml_get_string (node, "DESCRIPTION")); |
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| 169 | return_value->icon = g_strdup (trilobite_xml_get_string (node, "ICON")); |
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| 170 | return_value->button_label = g_strdup (trilobite_xml_get_string (node, "BUTTON_LABEL")); |
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| 171 | return_value->uri = g_strdup (trilobite_xml_get_string (node, "URI")); |
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| 172 | return_value->softcat_uri = g_strdup (trilobite_xml_get_string (node, "SOFTCAT_URI")); |
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| 173 | |
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| 174 | return return_value; |
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| 175 | |
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| 176 | } /* end parse_a_update_news_item */ |
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| 177 | |
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| 178 | static GList * |
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| 179 | build_services_glist_from_xml (xmlNodePtr node) |
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| 180 | { |
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| 181 | GList *return_value; |
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| 182 | xmlNodePtr service; |
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| 183 | |
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| 184 | return_value = NULL; |
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| 185 | service = node->xmlChildrenNode; |
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| 186 | if (service == NULL) { |
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| 187 | g_warning (_("There is no service data !\n")); |
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| 188 | return NULL; |
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| 189 | } |
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| 190 | |
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| 191 | while (service) { |
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| 192 | ServicesData *sdata; |
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| 193 | |
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| 194 | sdata = parse_a_service (service); |
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| 195 | return_value = g_list_append (return_value, sdata); |
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| 196 | service = service->next; |
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| 197 | } |
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| 198 | |
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| 199 | return return_value; |
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| 200 | |
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| 201 | } /* end build_services_glist_from_xml */ |
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| 202 | |
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| 203 | static GList * |
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| 204 | build_eazel_news_glist_from_xml (xmlNodePtr node) |
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| 205 | { |
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| 206 | GList *return_value; |
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| 207 | xmlNodePtr news_item; |
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| 208 | |
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| 209 | return_value = NULL; |
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| 210 | news_item = node->xmlChildrenNode; |
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| 211 | if (news_item == NULL) { |
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| 212 | g_warning (_("There is no eazel news data !\n")); |
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| 213 | return NULL; |
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| 214 | } |
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| 215 | |
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| 216 | while (news_item) { |
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| 217 | EazelNewsData *ndata; |
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| 218 | |
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| 219 | ndata = parse_a_eazel_news_item (news_item); |
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| 220 | return_value = g_list_append (return_value, ndata); |
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| 221 | news_item = news_item->next; |
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| 222 | } |
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| 223 | |
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| 224 | return return_value; |
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| 225 | |
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| 226 | } /* end build_eazel_news_glist_from_xml */ |
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| 227 | |
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| 228 | static GList * |
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| 229 | build_update_news_glist_from_xml (xmlNodePtr node) |
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| 230 | { |
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| 231 | GList *return_value; |
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| 232 | xmlNodePtr news_item; |
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| 233 | |
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| 234 | return_value = NULL; |
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| 235 | news_item = node->xmlChildrenNode; |
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| 236 | if (news_item == NULL) { |
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| 237 | g_warning (_("There is no eazel news data !\n")); |
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| 238 | return NULL; |
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| 239 | } |
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| 240 | |
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| 241 | while (news_item) { |
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| 242 | UpdateNewsData *ndata; |
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| 243 | |
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| 244 | ndata = parse_a_update_news_item (news_item); |
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| 245 | return_value = g_list_append (return_value, ndata); |
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| 246 | news_item = news_item->next; |
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| 247 | } |
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| 248 | |
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| 249 | return return_value; |
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| 250 | |
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| 251 | } /* end build_update_news_glist_from_xml */ |
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| 252 | |
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| 253 | |
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| 254 | SummaryData * |
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| 255 | parse_summary_xml_file (const char *url) |
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| 256 | { |
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| 257 | |
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| 258 | SummaryData *return_value; |
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| 259 | char *body; |
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| 260 | int length; |
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| 261 | xmlDocPtr doc; |
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| 262 | xmlNodePtr base; |
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| 263 | xmlNodePtr child; |
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| 264 | |
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| 265 | /* fetch remote config file into memory */ |
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| 266 | if (! trilobite_fetch_uri (url, &body, &length)) { |
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| 267 | g_assert (_("Could not fetch summary configuration !")); |
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| 268 | return NULL; |
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| 269 | } |
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| 270 | |
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| 271 | /* <rant> libxml will have a temper tantrum if there is whitespace before the |
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| 272 | * * first tag. so we must babysit it. |
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| 273 | * */ |
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| 274 | while ((length > 0) && (*body <= ' ')) { |
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| 275 | body++, length--; |
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| 276 | } |
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| 277 | |
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| 278 | doc = xmlParseMemory (body, length); |
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| 279 | if (doc == NULL) { |
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| 280 | g_warning ("Invalid data in summary configuration: %s", body); |
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| 281 | return NULL; |
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| 282 | } |
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| 283 | |
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| 284 | return_value = summary_data_new (); |
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| 285 | |
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| 286 | base = doc->root; |
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| 287 | |
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| 288 | if (base == NULL) { |
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| 289 | xmlFreeDoc (doc); |
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| 290 | g_warning (_("The summary configuration contains no data!\n")); |
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| 291 | return NULL; |
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| 292 | } |
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| 293 | |
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| 294 | if (g_strcasecmp (base->name, "SUMMARY_DATA")) { |
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| 295 | g_print (_("Cannot find the SUMMARY_DATA xmlnode!\n")); |
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| 296 | xmlFreeDoc (doc); |
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| 297 | g_warning (_("Bailing from the SUMMARY_DATA parse!\n")); |
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| 298 | return NULL; |
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| 299 | } |
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| 300 | |
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| 301 | child = doc->root->xmlChildrenNode; |
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| 302 | |
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| 303 | if (child == NULL) { |
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| 304 | g_print (_("Could not find any summary configuration data!\n")); |
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| 305 | xmlFreeDoc (doc); |
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| 306 | g_warning (_("Bailing from summary configuration parse!\n")); |
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| 307 | return NULL; |
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| 308 | } |
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| 309 | |
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| 310 | while (child) { |
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| 311 | if (g_strcasecmp (child->name, "SERVICES") == 0) { |
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| 312 | return_value->services_list = build_services_glist_from_xml (child); |
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| 313 | } |
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| 314 | if (g_strcasecmp (child->name, "EAZEL_NEWS") == 0) { |
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| 315 | return_value->eazel_news_list = build_eazel_news_glist_from_xml (child); |
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| 316 | } |
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| 317 | if (g_strcasecmp (child->name, "UPDATE_NEWS") == 0) { |
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| 318 | return_value->update_news_list = build_update_news_glist_from_xml (child); |
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| 319 | } |
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| 320 | child = child->next; |
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| 321 | } |
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| 322 | |
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| 323 | return return_value; |
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| 324 | |
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| 325 | } /* parse_summary_xml_file */ |
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| 326 | |
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