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/*
* rarian-sk-preinstall.cpp
* This file is part of Rarian
*
* Copyright (C) 2006 - Don scorgie
*
* Rarian is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* Rarian 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 Rarian; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor,
* Boston, MA 02110-1301 USA
*/
#include <tinyxml.h>
#include <stdio.h>
static char *new_url = NULL;
static bool am_parsing = false;
void
print_usage (char *proc_name)
{
printf ("Usage: %s [-n] <INSTALLED_DOC_NAME> <OLD OMF FILE> <NEW OMF FILENAME>\n", proc_name);
printf ("\nExample: %s /usr/share/help/beanstalk.xml beanstalk.omf new-beanstalk.omf\n", proc_name);
printf ("The -n flag is now ignored (it is no longer needed).\n");
exit (0);
}
void
get_attribute (TiXmlElement *elem)
{
TiXmlAttribute* pAttrib=elem->FirstAttribute();
if (strcmp (pAttrib->Value(), "")) {
elem->SetAttribute("url", new_url);
}
}
void
process_node (TiXmlNode *pParent)
{
TiXmlNode* pChild;
TiXmlText* pText;
int t = pParent->Type();
int num;
switch ( t )
{
case TiXmlNode::DOCUMENT:
break;
case TiXmlNode::ELEMENT:
if (!strcmp (pParent->Value(), "omf")) {
am_parsing = true;
} else if (!am_parsing) {
printf ("ERROR: Does not appear to be a valid OMF file. Aborting\n");
exit (6);
}
if (!strcmp (pParent->Value(), "identifier")) {
get_attribute (pParent->ToElement());
}
default:
break;
}
for ( pChild = pParent->FirstChild(); pChild != 0; pChild = pChild->NextSibling())
{
process_node ( pChild);
}
}
void
process_new_url (char *input)
{
if (!strncmp (input, "file:", 5)) {
new_url = strdup (input);
} else {
int i = 0;
char *t = input;
while (*t == '/') {
i++;
t++;
}
if (i == 1) {
/* Normal path. Add file:/ to the start */
new_url = (char *) malloc (sizeof(char) * (strlen (input) + 7));
sprintf (new_url, "file:/%s", input);
} else {
/* Don't know what to do. Just copy and append file: to it */
new_url = (char *) malloc (sizeof(char) * (strlen(input) + 6));
sprintf (new_url, "file:%s", input);
}
}
}
int main (int argc, char * argv[])
{
int skip = 0;
if (argc < 3 || argc > 4) {
print_usage (argv[0]);
}
if (!strcmp(argv[1], "-n"))
skip = 1;
process_new_url (argv[1+skip]);
bool loadok;
TiXmlDocument doc (argv[2+skip]);
loadok = doc.LoadFile(TIXML_ENCODING_UTF8);
if (!loadok) {
fprintf (stderr, "ERROR: Cannot parse %s. Is it valid?\n", argv[2+skip]);
exit (2);
}
TiXmlNode *pParent = doc.FirstChildElement();
process_node (pParent);
doc.SaveFile(argv[3+skip]);
free (new_url);
exit (0);
}
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