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/* -*- Mode: C; indent-tabs-mode: t; c-basic-offset: 2; tab-width: 2 -*- */
/* examplec.c
*
* Copyright (C) 2001 Paolo Casarini <paolo@casarini.org>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#include <stdlib.h>
#include <stdio.h>
#include <ctype.h>
#include <gdome.h>
int isSpaceStr (GdomeDOMString *domstr) {
gchar *str = domstr->str;
for (; *str; str++)
if (!isspace(*str))
return 0;
return 1;
}
void cleanSubTree (GdomeNode *node) {
GdomeNode *child = NULL, *dchild = NULL;
GdomeNodeList *nl = NULL;
GdomeException exc;
GdomeDOMString *str;
long i, nllength;
nl = gdome_n_childNodes (node, &exc);
if ((nllength = gdome_nl_length (nl, &exc)) == 0) {
if (nl != NULL)
gdome_nl_unref (nl, &exc);
return;
}
for (i = nllength-1; i >= 0; i--) {
child = gdome_nl_item (nl, i, &exc);
str = NULL;
if (gdome_n_nodeType (child, &exc) == GDOME_COMMENT_NODE ||
(gdome_n_nodeType (child, &exc) == GDOME_TEXT_NODE &&
isSpaceStr ((str = gdome_t_data ((GdomeText *)child, &exc))))) {
dchild = gdome_n_removeChild (node, child, &exc);
if (str != NULL)
gdome_str_unref (str);
if (dchild != NULL)
gdome_n_unref (dchild, &exc);
}
else if (gdome_n_hasChildNodes (child, &exc))
cleanSubTree (child);
if (child != NULL)
gdome_n_unref (child, &exc);
}
if (nl != NULL)
gdome_nl_unref (nl, &exc);
}
int main (int argc, char **argv) {
GdomeDOMImplementation *domimpl;
GdomeDocument *doc;
GdomeElement *rootel;
GdomeException exc;
/* First I get a DOMImplementation reference */
domimpl = gdome_di_mkref ();
/* I load a new document from the file name "exampleb.xml */
doc = gdome_di_createDocFromURI(domimpl, LOCALDIR"/examplec.xml", GDOME_LOAD_PARSING, &exc);
if (doc == NULL) {
fprintf (stderr, "DOMImplementation.createDocFromURI: failed\n\tException #%d\n", exc);
return 1;
}
/* I get reference to the root element of the document */
rootel = gdome_doc_documentElement (doc, &exc);
if (rootel == NULL) {
fprintf (stderr, "Document.documentElement: NULL\n\tException #%d\n", exc);
return 1;
}
cleanSubTree ((GdomeNode *)rootel);
gdome_el_unref (rootel, &exc);
if (!gdome_di_saveDocToFile (domimpl, doc, LOCALDIR"/examplec_out.xml", GDOME_SAVE_STANDARD, &exc)) {
fprintf (stderr, "DOMImplementation.saveDocToFile: failed\n\tException #%d\n", exc);
return 1;
}
/* I free the document structure and the DOMImplementation */
gdome_doc_unref (doc, &exc);
gdome_di_unref (domimpl, &exc);
return 0;
}
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