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/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */
/*
* reg2xml.c
* Copyright (C) 2011-2012 Akira TAGOH
*
* Authors:
* Akira TAGOH <akira@tagoh.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 3 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include <string.h>
#include <glib.h>
#include <libxml/tree.h>
#include "lt-utils.h"
/*< private >*/
static gchar *
_drop_crlf(gchar *string)
{
gsize len, i;
g_return_val_if_fail (string != NULL, NULL);
g_return_val_if_fail (string[0] != 0, NULL);
len = strlen(string);
for (i = len - 1; i > 0; i--) {
if (string[i] == '\r' ||
string[i] == '\n') {
string[i] = 0;
} else {
break;
}
}
return string;
}
static gboolean
_parse(const gchar *filename,
xmlNodePtr root)
{
FILE *fp;
gchar buffer[1024];
gboolean in_entry = FALSE;
xmlNodePtr ent = NULL;
if ((fp = fopen(filename, "rb")) == NULL) {
g_printerr("Unable to open %s\n", filename);
return FALSE;
}
while (1) {
fgets(buffer, 1024, fp);
if (feof(fp))
break;
_drop_crlf(buffer);
if (g_strcmp0(buffer, "%%") == 0) {
if (in_entry) {
if (ent) {
xmlAddChild(root, ent);
}
ent = NULL;
}
in_entry = TRUE;
} else {
if (!in_entry) {
/* ignore it */
continue;
}
if (strncmp(buffer, "Type: ", 6) == 0) {
if (ent) {
g_warning("Duplicate entry type: line = '%s', current type = '%s'",
buffer, ent->name);
} else {
ent = xmlNewNode(NULL, (const xmlChar *)&buffer[6]);
}
} else {
if (!ent) {
g_warning("No entry type: line = '%s'",
buffer);
in_entry = FALSE;
} else {
gchar **tokens, *tag;
fpos_t pos;
gsize len;
multiline:
fgetpos(fp, &pos);
len = strlen(buffer);
fgets(&buffer[len], 1024 - len, fp);
if (buffer[len] == ' ') {
gsize l, i;
_drop_crlf(&buffer[len]);
l = strlen(&buffer[len]);
for (i = 1; i < l; i++) {
if (buffer[len + i] != ' ')
break;
}
if (i > 1) {
memmove(&buffer[len + 1], &buffer[len + i], l - i);
}
goto multiline;
} else {
buffer[len] = 0;
fsetpos(fp, &pos);
}
tokens = g_strsplit(buffer, ": ", 2);
tag = g_strdup(tokens[0]);
xmlNewChild(ent, NULL,
(const xmlChar *)lt_strlower(tag),
(const xmlChar *)tokens[1]);
g_strfreev(tokens);
g_free(tag);
}
}
}
}
return TRUE;
}
static gboolean
_output_xml(const gchar *filename,
xmlChar **output,
int *size)
{
xmlDocPtr doc;
xmlNodePtr root;
gboolean retval;
doc = xmlNewDoc((const xmlChar *)"1.0");
doc->encoding = xmlStrdup((const xmlChar *)"UTF-8");
root = xmlNewDocNode(doc, NULL,
(const xmlChar *)"registry",
NULL);
xmlDocSetRootElement(doc, root);
if (!(retval = _parse(filename, root)))
goto bail;
xmlDocDumpFormatMemory(doc, output, size, 1);
bail:
xmlFreeDoc(doc);
return retval;
}
/*< public >*/
int
main(int argc,
char **argv)
{
xmlChar *xml;
int size;
if (argc < 2)
return 1;
if (!_output_xml(argv[1], &xml, &size))
return 1;
g_print("%s\n", xml);
return 0;
}
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