Aegisub/aegisub/tools/common-respack.cpp

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// Copyright (c) 2010, Amar Takhar <verm@aegisub.org>
//
// Permission to use, copy, modify, and distribute this software for any
// purpose with or without fee is hereby granted, provided that the above
// copyright notice and this permission notice appear in all copies.
//
// THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
// WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
// MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
// ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
// WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
// ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
// OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
//
// $Id$
/// @file common-respack.cpp
/// @brief Load any file into a byte array.
/// @ingroup util
#include <iterator>
#include <fstream>
#include <iostream>
#include <string>
/// Clean a filename for use as an identity.
/// @param str[in] String containing filename.
inline void clean(std::string &str) {
// Remove path.
std::string::size_type pos = str.rfind('/');
if (pos != std::string::npos) {
str = str.substr(pos+1, str.size());
}
// Chop extension.
pos = str.rfind('.');
if (pos != std::string::npos) {
str = str.substr(0, pos);
}
for (unsigned int i = 0; i != str.size(); i++) {
int c = (int)str[i];
if (((c >= 65) && (c <= 90)) || /* A-Z */
((c >= 97) && (c <= 122)) || /* a-z */
((c >= 48) && (c <= 57)) || /* 0-9 */
(c == 95)) { /* _ */
continue;
} else {
str.erase(i, 1);
}
}
}
int main(int argc, const char *argv[]) {
// Needs 3 arguments
if (argc != 4) {
std::cout << "Usage: <manifest>[in] <c++ file>[out] <header>[out]" << std::endl;
return 1;
}
std::cout << "Manifest: " << argv[1] << " CPP: " << argv[2] << " Header: " << argv[3] << std::endl;
std::ifstream file_manifest(argv[1]);
std::ofstream file_cpp(argv[2]);
std::ofstream file_h(argv[3]);
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if (!file_manifest.good()) {
std::cout << "Failed to open manifest" << std::endl;
return 1;
}
if (!file_cpp.good()) {
std::cout << "Failed to open output CPP file" << std::endl;
return 1;
}
if (!file_h.good()) {
std::cout << "Failed to open output H file" << std::endl;
return 1;
}
// If the manifest has a path use that as the base for finding files.
std::string manifest(argv[1]);
std::string path_base;
std::string::size_type pos = manifest.rfind('/');
if (pos != std::string::npos) {
path_base = manifest.substr(0, pos+1);
}
file_cpp << "#include \"libresrc.h\"" << std::endl;
std::string file; // File for array.
while (file_manifest) {
std::getline(file_manifest, file);
if (file.empty()) continue;
std::ifstream ifp((path_base + file).c_str(), std::ios_base::in|std::ios_base::binary);
if (!ifp.is_open()) {
std::cout << "Error opening file: " << file << std::endl;
return 1;
}
// Identity used in C/Header files.
std::string ident(file);
clean(ident);
file_cpp << "const unsigned char " << ident << "[] = {";
/// Create byte-array.
std::istreambuf_iterator<char> ifp_i(ifp);
std::istreambuf_iterator<char> eof;
int length = 0;
while (ifp_i != eof) {
if (length > 0) file_cpp << ",";
file_cpp << (unsigned int)(unsigned char)*ifp_i;
++ifp_i;
length++;
}
// Finish
file_cpp << "};" << std::endl;
// Prototype.
file_h << "extern const unsigned char " << ident << "[" << length << "];" << std::endl;
}
return 0;
}