1 /* -*- Mode: C; indent-tabs-mode: t; c-basic-offset: 2; tab-width: 2 -*- */
2 /* examplec.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 #include <stdlib.h>
22 #include <stdio.h>
23 #include <ctype.h>
24 #include <gdome.h>
25
isSpaceStr(GdomeDOMString * domstr)26 int isSpaceStr (GdomeDOMString *domstr) {
27 gchar *str = domstr->str;
28
29 for (; *str; str++)
30 if (!isspace(*str))
31 return 0;
32 return 1;
33 }
34
cleanSubTree(GdomeNode * node)35 void cleanSubTree (GdomeNode *node) {
36 GdomeNode *child = NULL, *dchild = NULL;
37 GdomeNodeList *nl = NULL;
38 GdomeException exc;
39 GdomeDOMString *str;
40 long i, nllength;
41
42 nl = gdome_n_childNodes (node, &exc);
43 if ((nllength = gdome_nl_length (nl, &exc)) == 0) {
44 if (nl != NULL)
45 gdome_nl_unref (nl, &exc);
46 return;
47 }
48
49 for (i = nllength-1; i >= 0; i--) {
50 child = gdome_nl_item (nl, i, &exc);
51 str = NULL;
52
53 if (gdome_n_nodeType (child, &exc) == GDOME_COMMENT_NODE ||
54 (gdome_n_nodeType (child, &exc) == GDOME_TEXT_NODE &&
55 isSpaceStr ((str = gdome_t_data ((GdomeText *)child, &exc))))) {
56 dchild = gdome_n_removeChild (node, child, &exc);
57
58 if (str != NULL)
59 gdome_str_unref (str);
60 if (dchild != NULL)
61 gdome_n_unref (dchild, &exc);
62 }
63 else if (gdome_n_hasChildNodes (child, &exc))
64 cleanSubTree (child);
65
66 if (child != NULL)
67 gdome_n_unref (child, &exc);
68 }
69
70 if (nl != NULL)
71 gdome_nl_unref (nl, &exc);
72 }
73
main(int argc,char ** argv)74 int main (int argc, char **argv) {
75 GdomeDOMImplementation *domimpl;
76 GdomeDocument *doc;
77 GdomeElement *rootel;
78 GdomeException exc;
79
80 /* First I get a DOMImplementation reference */
81 domimpl = gdome_di_mkref ();
82
83 /* I load a new document from the file name "exampleb.xml */
84 doc = gdome_di_createDocFromURI(domimpl, LOCALDIR"/examplec.xml", GDOME_LOAD_PARSING, &exc);
85 if (doc == NULL) {
86 fprintf (stderr, "DOMImplementation.createDocFromURI: failed\n\tException #%d\n", exc);
87 return 1;
88 }
89
90 /* I get reference to the root element of the document */
91 rootel = gdome_doc_documentElement (doc, &exc);
92 if (rootel == NULL) {
93 fprintf (stderr, "Document.documentElement: NULL\n\tException #%d\n", exc);
94 return 1;
95 }
96
97 cleanSubTree ((GdomeNode *)rootel);
98 gdome_el_unref (rootel, &exc);
99
100 if (!gdome_di_saveDocToFile (domimpl, doc, LOCALDIR"/examplec_out.xml", GDOME_SAVE_STANDARD, &exc)) {
101 fprintf (stderr, "DOMImplementation.saveDocToFile: failed\n\tException #%d\n", exc);
102 return 1;
103 }
104
105 /* I free the document structure and the DOMImplementation */
106 gdome_doc_unref (doc, &exc);
107 gdome_di_unref (domimpl, &exc);
108
109 return 0;
110 }
111