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https://github.com/recastnavigation/recastnavigation.git
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110 lines
2.5 KiB
C++
110 lines
2.5 KiB
C++
//
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// Copyright (c) 2009-2010 Mikko Mononen memon@inside.org
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//
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// This software is provided 'as-is', without any express or implied
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// warranty. In no event will the authors be held liable for any damages
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// arising from the use of this software.
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// Permission is granted to anyone to use this software for any purpose,
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// including commercial applications, and to alter it and redistribute it
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// freely, subject to the following restrictions:
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// 1. The origin of this software must not be misrepresented; you must not
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// claim that you wrote the original software. If you use this software
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// in a product, an acknowledgment in the product documentation would be
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// appreciated but is not required.
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// 2. Altered source versions must be plainly marked as such, and must not be
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// misrepresented as being the original software.
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// 3. This notice may not be removed or altered from any source distribution.
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//
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#include "Filelist.h"
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#include <algorithm>
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#ifdef WIN32
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# include <io.h>
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#else
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# include <dirent.h>
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# include <cstring>
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#endif
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bool tryReadFile(const std::string& path, char** outBuffer, size_t* outBufferLen)
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{
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FILE* file = fopen(path.c_str(), "rb");
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if (!file)
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{
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return false;
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}
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if (fseek(file, 0, SEEK_END) != 0)
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{
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(void)fclose(file);
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return false;
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}
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const int fileSize = ftell(file);
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if (fileSize < 0)
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{
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(void)fclose(file);
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return false;
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}
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*outBufferLen = fileSize;
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if (fseek(file, 0, SEEK_SET) != 0)
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{
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(void)fclose(file);
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return false;
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}
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*outBuffer = new char[*outBufferLen];
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const size_t readLen = fread(*outBuffer, *outBufferLen, 1, file);
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(void)fclose(file);
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if (readLen != 1)
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{
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delete[] *outBuffer;
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*outBuffer = nullptr;
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return false;
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}
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return true;
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}
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void scanDirectory(const std::string& path, const std::string& ext, std::vector<std::string>& filelist)
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{
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#ifdef WIN32
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std::string pathWithExt = path + "/*" + ext;
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_finddata_t dir;
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intptr_t findHandle = _findfirst(pathWithExt.c_str(), &dir);
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if (findHandle == -1L)
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{
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return;
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}
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do
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{
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filelist.emplace_back(dir.name);
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} while (_findnext(findHandle, &dir) == 0);
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_findclose(findHandle);
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#else
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dirent* current = 0;
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DIR* dp = opendir(path.c_str());
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if (!dp)
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{
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return;
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}
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size_t extLen = strlen(ext.c_str());
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while ((current = readdir(dp)) != 0)
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{
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size_t len = strlen(current->d_name);
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if (len > extLen && strncmp(current->d_name + len - extLen, ext.c_str(), extLen) == 0)
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{
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filelist.emplace_back(current->d_name);
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}
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}
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closedir(dp);
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#endif
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// Sort the list of files alphabetically.
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std::sort(filelist.begin(), filelist.end());
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}
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