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0d04e87e FT |
1 | /* |
2 | * Dolda Connect - Modular multiuser Direct Connect-style client | |
302a2600 | 3 | * Copyright (C) 2007 Fredrik Tolf <fredrik@dolda2000.com> |
0d04e87e FT |
4 | * |
5 | * This program is free software; you can redistribute it and/or modify | |
6 | * it under the terms of the GNU General Public License as published by | |
7 | * the Free Software Foundation; either version 2 of the License, or | |
8 | * (at your option) any later version. | |
9 | * | |
10 | * This program is distributed in the hope that it will be useful, | |
11 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
12 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
13 | * GNU General Public License for more details. | |
14 | * | |
15 | * You should have received a copy of the GNU General Public License | |
16 | * along with this program; if not, write to the Free Software | |
17 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA | |
18 | */ | |
19 | ||
20 | #include <stdlib.h> | |
21 | #include <string.h> | |
22 | #include <doldaconnect/utils.h> | |
23 | #include <gtk/gtk.h> | |
24 | ||
25 | /* "Programming with libxml2 is like the thrilling embrace of an | |
26 | * exotic strangler." | |
27 | * --Me */ | |
28 | #include <libxml/parser.h> | |
29 | #include <libxml/tree.h> | |
30 | ||
31 | #ifdef HAVE_CONFIG_H | |
32 | #include <config.h> | |
33 | #endif | |
34 | #include "dolcon.h" | |
35 | #include "hublist.h" | |
36 | ||
37 | static xmlNodePtr findnode(xmlNodePtr node, char *name) | |
38 | { | |
39 | for(; node != NULL; node = node->next) | |
40 | { | |
41 | if(!strcmp((char *)node->name, name)) | |
42 | break; | |
43 | } | |
44 | return(node); | |
45 | } | |
46 | ||
47 | static int checkvalid(xmlNodePtr n) | |
48 | { | |
49 | int match; | |
50 | char *name, *descr; | |
51 | ||
52 | name = (char *)xmlGetProp(n, (xmlChar *)"Name"); | |
53 | descr = (char *)xmlGetProp(n, (xmlChar *)"Description"); | |
54 | match = validhub(name, descr, NULL); | |
55 | xmlFree(name); | |
56 | if(descr != NULL) | |
57 | xmlFree(descr); | |
58 | return(match); | |
59 | } | |
60 | ||
61 | int pubhubxmlhandler(int op, char *buf, size_t len) | |
62 | { | |
63 | static xmlParserCtxtPtr ctxt = NULL; | |
64 | int i; | |
65 | xmlNodePtr dr, r, cr, c, n; | |
66 | int numcols, *cols, sortcol; | |
67 | GType type, *types; | |
68 | char **names, *name, *stype, *attr; | |
69 | GtkListStore *model; | |
70 | GtkTreeIter iter; | |
71 | ||
72 | numcols = 0; | |
73 | names = NULL; | |
74 | types = NULL; | |
75 | switch(op) | |
76 | { | |
77 | case PHO_INIT: | |
78 | break; | |
79 | case PHO_DATA: | |
80 | if(ctxt == NULL) { | |
81 | ctxt = xmlCreatePushParserCtxt(NULL, NULL, buf, len, NULL); | |
82 | if(ctxt == NULL) | |
83 | return(-1); | |
84 | } else { | |
85 | xmlParseChunk(ctxt, buf, len, 0); | |
86 | } | |
87 | return(len); | |
88 | case PHO_EOF: | |
89 | if(ctxt == NULL) | |
90 | { | |
91 | msgbox(GTK_MESSAGE_WARNING, GTK_BUTTONS_OK, _("A hub list could not be read from the server")); | |
92 | break; | |
93 | } | |
94 | xmlParseChunk(ctxt, NULL, 0, 1); | |
95 | if(!ctxt->wellFormed) | |
96 | { | |
97 | msgbox(GTK_MESSAGE_ERROR, GTK_BUTTONS_OK, _("The hub list is not valid")); | |
98 | break; | |
99 | } | |
100 | dr = r = cr = NULL; | |
101 | dr = xmlDocGetRootElement(ctxt->myDoc); | |
102 | if(dr != NULL) | |
103 | r = findnode(dr->children, "Hubs"); | |
104 | if(r != NULL) | |
105 | cr = findnode(r->children, "Columns"); | |
106 | if(cr == NULL) | |
107 | { | |
108 | msgbox(GTK_MESSAGE_WARNING, GTK_BUTTONS_OK, _("The hub list cannot be understood")); | |
109 | break; | |
110 | } | |
111 | for(c = findnode(cr->children, "Column"); c != NULL; c = findnode(c->next, "Column")) | |
112 | { | |
113 | name = (char *)xmlGetProp(c, (xmlChar *)"Name"); | |
114 | stype = (char *)xmlGetProp(c, (xmlChar *)"Type"); | |
115 | type = G_TYPE_INVALID; | |
116 | if(stype != NULL) | |
117 | { | |
118 | if(!strcmp(stype, "string")) | |
119 | type = G_TYPE_STRING; | |
120 | else if(!strcmp(stype, "int")) | |
121 | type = G_TYPE_INT; | |
122 | else if(!strcmp(stype, "bytes")) | |
123 | type = G_TYPE_INT64; | |
124 | } | |
125 | if((name != NULL) && (type != G_TYPE_INVALID)) | |
126 | { | |
127 | names = srealloc(names, (numcols + 1) * sizeof(*names)); | |
128 | types = srealloc(types, (numcols + 1) * sizeof(*names)); | |
129 | names[numcols] = sstrdup(name); | |
130 | types[numcols] = type; | |
131 | numcols++; | |
132 | } | |
133 | if(name != NULL) | |
134 | xmlFree(name); | |
135 | if(stype != NULL) | |
136 | xmlFree(stype); | |
137 | } | |
138 | if(numcols == 0) | |
139 | { | |
140 | msgbox(GTK_MESSAGE_WARNING, GTK_BUTTONS_OK, _("The hub list did not contain any columns")); | |
141 | break; | |
142 | } | |
143 | for(i = 0; i < numcols; i++) | |
144 | { | |
145 | if(!strcmp(names[i], "Address")) | |
146 | { | |
147 | name = names[0]; | |
148 | names[0] = names[i]; | |
149 | names[i] = name; | |
150 | type = types[0]; | |
151 | types[0] = types[i]; | |
152 | types[i] = type; | |
153 | break; | |
154 | } | |
155 | } | |
156 | if(i == numcols) | |
157 | { | |
158 | msgbox(GTK_MESSAGE_WARNING, GTK_BUTTONS_OK, _("The hub list did not contain the address to any hubs")); | |
159 | break; | |
160 | } | |
161 | model = gtk_list_store_newv(numcols, types); | |
162 | for(n = findnode(r->children, "Hub"); n != NULL; n = findnode(n->next, "Hub")) | |
163 | { | |
164 | if(!xmlHasProp(n, (xmlChar *)"Address") || !xmlHasProp(n, (xmlChar *)"Name")) | |
165 | continue; | |
166 | if(!checkvalid(n)) | |
167 | continue; | |
168 | gtk_list_store_append(model, &iter); | |
169 | for(i = 0; i < numcols; i++) | |
170 | { | |
171 | attr = (char *)xmlGetProp(n, (xmlChar *)names[i]); | |
172 | if(attr != NULL) | |
173 | { | |
174 | if(types[i] == G_TYPE_STRING) | |
175 | gtk_list_store_set(model, &iter, i, attr, -1); | |
176 | else if(types[i] == G_TYPE_INT) | |
177 | gtk_list_store_set(model, &iter, i, atoi(attr), -1); | |
178 | else if(types[i] == G_TYPE_INT64) | |
179 | gtk_list_store_set(model, &iter, i, strtoll(attr, NULL, 0), -1); | |
180 | xmlFree(attr); | |
181 | } | |
182 | } | |
183 | } | |
184 | cols = smalloc((numcols - 1) * sizeof(*cols)); | |
185 | for(i = 1; i < numcols; i++) | |
186 | cols[i - 1] = i; | |
187 | sortcol = 0; | |
188 | for(i = 0; i < numcols; i++) | |
189 | { | |
190 | if(!strcmp(names[i], "Users")) | |
191 | sortcol = i; | |
192 | } | |
193 | setpubhubmodel(GTK_TREE_MODEL(model), sortcol, numcols - 1, cols, names + 1); | |
194 | free(cols); | |
195 | g_object_unref(model); | |
196 | break; | |
197 | case PHO_FINI: | |
198 | if(ctxt != NULL) | |
199 | { | |
200 | if(ctxt->myDoc != NULL) | |
201 | xmlFreeDoc(ctxt->myDoc); | |
202 | xmlFreeParserCtxt(ctxt); | |
203 | ctxt = NULL; | |
204 | } | |
205 | break; | |
206 | } | |
207 | if(numcols != 0) | |
208 | { | |
209 | for(i = 0; i < numcols; i++) | |
210 | free(names[i]); | |
211 | free(names); | |
212 | free(types); | |
213 | } | |
214 | return(0); | |
215 | } |