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/**
** Textpack.cc - Convert text file to a Flex file.
**
** Written: 2/14/2002
**/
/*
* Copyright (C) 2002 The Exult Team
*
* This program 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.
*
* This program 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, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
#ifdef HAVE_CONFIG_H
# include <config.h>
#endif
#ifndef ALPHA_LINUX_CXX
# include <unistd.h>
# include <fstream>
# include <cstdio>
# include <cstdlib>
#endif
#include <iostream>
#include <vector>
#include "Flex.h"
#include "utils.h"
#include "exceptions.h"
#include "msgfile.h"
using std::atoi;
using std::cerr;
using std::cin;
using std::cout;
using std::endl;
using std::exit;
using std::ifstream;
using std::ofstream;
using std::istream;
using std::ostream;
using std::size_t;
using std::strlen;
using std::vector;
/*
* Read in a Flex file where each entry is a 0-delimited text string.
*/
static void Read_flex
(
const char *filename, // File to read.
vector<char *>& strings // Strings are stored here.
)
{
Flex in(filename); // May throw exception.
int cnt = in.number_of_objects();
strings.resize(cnt);
for (int i = 0; i < cnt; i++)
{
size_t len;
strings[i] = in.retrieve(i, len);
if (!len) // Empty?
{
delete strings[i];
strings[i] = 0;
}
}
}
/*
* Write out a Flex file where each entry is a 0-delimited text string.
*/
static void Write_flex
(
const char *filename, // File to write.
char *title, // For the header.
vector<char *>& strings // Okay if some are null.
)
{
ofstream out;
U7open(out, filename); // May throw exception.
Flex_writer writer(out, title, strings.size());
for (vector<char *>::const_iterator it = strings.begin();
it != strings.end(); ++it)
{
const char *str = *it;
if (str)
out << str;
out.put((char) 0); // 0-delimit.
writer.mark_section_done();
}
if (!writer.close())
throw file_write_exception(filename);
}
/*
* Write out text, with each line in the form "nnn:sssss", where nnn is
* the Flex entry #, and anything after the ':' is the string.
* NOTES: Null entry #'s will be skipped in the output.
* Max. text length is 1024.
*/
static void Write_text
(
ostream& out,
vector<char *>& strings // Strings to write.
)
{
out << "# Written by Exult Textpack tool" << endl;
int cnt = strings.size();
for (int i = 0; i < cnt; i++)
{
char *text = strings[i];
if (!text)
continue;
if (strlen(text) + 1 > 1024)
{
cerr << "Text in entry " << i << " is too long"
<< endl;
exit(1);
}
out << i << ':' << text << endl;
}
out.flush();
}
/*
* Print usage and exit.
*/
static void Usage()
{
cerr << "Usage: textpack -[x|c] flexfile [textfile]" << endl <<
" Missing [textfile] => stdin/stdout" << endl;
exit(1);
}
/*
* Create or extract from Flex files consisting of text entries.
*/
int main
(
int argc,
char **argv
)
{
if (argc < 3 || argv[1][0] != '-')
Usage(); // (Exits.)
char *flexname = argv[2];
vector<char *> strings; // Text stored here.
switch (argv[1][1]) // Which function?
{
case 'c': // Create Flex.
if (argc >= 4) // Text filename given?
{
ifstream in; // Open as text.
try {
U7open(in, argv[3], true);
} catch (exult_exception& e) {
cerr << e.what() << endl;
exit(1);
}
if (Read_text_msg_file(in, strings) == -1)
exit(1);
}
else // Default to stdin.
if (Read_text_msg_file(cin, strings) == -1)
exit(1);
try {
Write_flex(flexname, "Flex created by Exult", strings);
} catch (exult_exception& e){
cerr << e.what() << endl;
exit(1);
}
break;
case 'x': // Extract to text.
try {
Read_flex(flexname, strings);
} catch (exult_exception& e){
cerr << e.what() << endl;
exit(1);
}
if (argc >= 4) // Text file given?
{
ofstream out;
try {
U7open(out, argv[3], true);
} catch(exult_exception& e) {
cerr << e.what() << endl;
exit(1);
}
Write_text(out, strings);
}
else
Write_text(cout, strings);
break;
default:
Usage();
}
// Clean up allocated strings.
for (vector<char *>::iterator it = strings.begin();
it != strings.end(); ++it)
delete *it;
return 0;
}
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