1 /* -*- Mode: C; indent-tabs-mode: t; c-basic-offset: 2; tab-width: 2 -*- */
2 /* util.c
3 *
4 * Copyright (C) 2001 Paolo Casarini <paolo@casarini.org>
5 *
6 * This library is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU Lesser General Public
8 * License as published by the Free Software Foundation; either
9 * version 2.1 of the License, or (at your option) any later version.
10 *
11 * This library is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 * Lesser General Public License for more details.
15 *
16 * You should have received a copy of the GNU Lesser General Public
17 * License along with this library; if not, write to the Free Software
18 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
19 */
20
21 /* Certo, capisci, tipo "Aspettando Godot", la parabola dell'attesa estraniata dal suo contesto sociale, come metafora della condizione dell'uomo di fronte al tempo in quanto altro da lui. */
22
23 #include <stdio.h>
24 #include <ctype.h>
25 #include <gdome.h>
26 #include "util.h"
27
isSpaceStr(GdomeDOMString * domstr)28 int isSpaceStr (GdomeDOMString *domstr) {
29 gchar *str = domstr->str;
30
31 for (; *str; str++)
32 if (!isspace(*str))
33 return 0;
34 return 1;
35 }
36
cleanSubTree(GdomeNode * node)37 void cleanSubTree (GdomeNode *node) {
38 GdomeNode *child = NULL, *dchild = NULL;
39 GdomeNodeList *nl = NULL;
40 GdomeException exc;
41 GdomeDOMString *str;
42 long i, nllength;
43
44 nl = gdome_n_childNodes (node, &exc);
45 if ((nllength = gdome_nl_length (nl, &exc)) == 0) {
46 if (nl != NULL)
47 gdome_nl_unref (nl, &exc);
48 return;
49 }
50
51 for (i = nllength-1; i >= 0; i--) {
52 child = gdome_nl_item (nl, i, &exc);
53 str = NULL;
54
55 if (gdome_n_nodeType (child, &exc) == GDOME_COMMENT_NODE ||
56 (gdome_n_nodeType (child, &exc) == GDOME_TEXT_NODE &&
57 isSpaceStr ((str = gdome_t_data ((GdomeText *)child, &exc))))) {
58 dchild = gdome_n_removeChild (node, child, &exc);
59
60 if (str != NULL)
61 gdome_str_unref (str);
62 if (dchild != NULL)
63 gdome_n_unref (dchild, &exc);
64 }
65 else if (gdome_n_hasChildNodes (child, &exc))
66 cleanSubTree (child);
67
68 if (child != NULL)
69 gdome_n_unref (child, &exc);
70 }
71
72 if (nl != NULL)
73 gdome_nl_unref (nl, &exc);
74 }
75
getElContent(GdomeElement * el)76 GdomeDOMString *getElContent (GdomeElement *el) {
77 GdomeNode *child;
78 GdomeException exc;
79
80 g_return_val_if_fail (el != NULL, NULL);
81
82 child = gdome_el_firstChild (el, &exc);
83 if (el == NULL)
84 fprintf (stderr, "CHILDNULL");
85 g_return_val_if_fail (child != NULL, NULL);
86
87 if (gdome_n_nodeType (child, &exc) != GDOME_TEXT_NODE &&
88 gdome_n_nodeType (child, &exc) != GDOME_CDATA_SECTION_NODE) {
89 gdome_n_unref (child, &exc);
90 return NULL;
91 }
92
93 return gdome_t_data ((GdomeText *)child, &exc);
94 }
95