107 lines
2.4 KiB
C++
107 lines
2.4 KiB
C++
/*
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Copyright (C) 2005 Nach, grinvader ( http://www.zsnes.com )
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This program is free software; you can redistribute it and/or
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modify it under the terms of the GNU General Public License
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as published by the Free Software Foundation; either
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version 2 of the License, or (at your option) any later
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version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*/
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/*
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This is part of a toolkit used to assist in ZSNES development
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This program trims unneeded at end of line whitespace.
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*/
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#include <iostream>
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#include <fstream>
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#include <string>
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#include <vector>
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using namespace std;
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#include "fileutil.h"
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#define LINE_LENGTH 2048
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void handle_file(const char *filename, size_t orig_file_size)
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{
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bool file_modified = false;
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vector<string> file_buffer;
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ifstream file(filename, ios::in);
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if (file)
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{
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char line[LINE_LENGTH];
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while (file.getline(line, LINE_LENGTH))
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{
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for (char *p = line+strlen(line)-1; p >= line; p--)
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{
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if (strchr(" \t\r", *p))
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{
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*p = 0;
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file_modified = true;
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}
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else
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{
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break;
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}
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}
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file_buffer.push_back(line);
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}
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file.close();
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}
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else
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{
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cerr << "Could not open " << filename << "." << endl;
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}
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if (file_modified)
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{
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ofstream file(filename, ios::out);
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if (file)
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{
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for (vector<string>::iterator i = file_buffer.begin(); i != file_buffer.end(); i++)
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{
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file.write(i->data(), i->length());
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file << "\n";
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}
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size_t file_size = file.tellp();
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file.close();
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cout << "Trimmed " << filename << " of " << orig_file_size-file_size << " bytes." << endl;
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}
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else
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{
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cerr << filename << " has extra whitespace, but a trimmed copy can't be saved." << endl;
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}
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}
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}
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void trim_whitespace(const char *filename, struct stat& stat_buffer)
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{
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if (is_c_file(filename) ||
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is_cpp_file(filename) ||
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is_asm_file(filename) ||
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is_psr_file(filename))
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{
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handle_file(filename, stat_buffer.st_size);
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}
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}
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int main()
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{
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parse_dir(".", trim_whitespace);
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return(0);
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}
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