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// Copyright(c) 2015-2017 YamaArashi
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
// THE SOFTWARE.
#include <cstdio>
#include <cstdlib>
#include <list>
#include <queue>
#include <set>
#include <string>
#include "scaninc.h"
#include "source_file.h"
bool CanOpenFile(std::string path) {
FILE* fp = std::fopen(path.c_str(), "rb");
if (fp == NULL)
return false;
std::fclose(fp);
return true;
}
const char* const USAGE = "Usage: scaninc [-I INCLUDE_PATH] FILE_PATH\n";
int main(int argc, char** argv) {
std::queue<std::string> filesToProcess;
std::set<std::string> dependencies;
std::vector<std::string> includeDirs;
argc--;
argv++;
while (argc > 1) {
std::string arg(argv[0]);
if (arg.substr(0, 2) == "-I") {
std::string includeDir = arg.substr(2);
if (includeDir.empty()) {
argc--;
argv++;
includeDir = std::string(argv[0]);
}
if (!includeDir.empty() && includeDir.back() != '/') {
includeDir += '/';
}
includeDirs.push_back(includeDir);
} else {
fatal_error(USAGE);
}
argc--;
argv++;
}
if (argc != 1) {
fatal_error(USAGE);
}
std::string initialPath(argv[0]);
filesToProcess.push(initialPath);
while (!filesToProcess.empty()) {
std::string filePath = filesToProcess.front();
SourceFile file(filePath);
filesToProcess.pop();
includeDirs.push_back(file.GetSrcDir());
for (auto incbin : file.GetIncbins()) {
// Search for the incbin in the include directories as well.
for (auto includeDir : includeDirs) {
std::string path(includeDir + incbin);
if (CanOpenFile(path)) {
dependencies.insert(path);
break;
}
}
}
for (const auto &include : file.GetIncludes()) {
for (const auto &includeDir : includeDirs) {
std::string path(includeDir + include);
if (CanOpenFile(path)) {
bool inserted = dependencies.insert(path).second;
if (inserted) {
filesToProcess.push(path);
}
break;
}
}
}
includeDirs.pop_back();
}
for (const std::string& path : dependencies) {
std::printf("%s\n", path.c_str());
}
}
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