142 lines
3 KiB
C++
142 lines
3 KiB
C++
#include "StdAfx.h"
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#include "frontends/common2/commonframe.h"
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#include "frontends/common2/utils.h"
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#include "linux/resources.h"
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#include <sys/stat.h>
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#include <fcntl.h>
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#include <unistd.h>
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#include <libgen.h>
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#include "Log.h"
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#include "Core.h"
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#include "config.h"
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namespace
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{
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bool dirExists(const std::string & folder)
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{
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struct stat stdbuf;
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if (stat(folder.c_str(), &stdbuf) == 0 && S_ISDIR(stdbuf.st_mode))
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{
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return true;
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}
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else
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{
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return false;
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}
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}
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std::string getResourcePath(const std::string & target)
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{
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std::vector<std::string> paths;
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char self[1024] = {0};
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const int ch = readlink("/proc/self/exe", self, sizeof(self));
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if (ch != -1)
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{
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const char * path = dirname(self);
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// case 1: run from the build folder
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paths.emplace_back(std::string(path) + '/'+ ROOT_PATH);
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// case 2: run from the installation folder
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paths.emplace_back(std::string(path) + '/'+ SHARE_PATH);
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}
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// case 3: use the source folder
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paths.emplace_back(CMAKE_SOURCE_DIR);
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for (const std::string & path : paths)
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{
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char * real = realpath(path.c_str(), nullptr);
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if (real)
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{
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const std::string resourcePath = std::string(real) + target;
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free(real);
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if (dirExists(resourcePath))
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{
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return resourcePath;
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}
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}
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}
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throw std::runtime_error("Cannot found the resource path: " + target);
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}
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}
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namespace common2
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{
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CommonFrame::CommonFrame()
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: myResourcePath(getResourcePath("/resource/"))
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{
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// should this go down to LinuxFrame (maybe Initialisation?)
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g_sProgramDir = getResourcePath("/bin/");
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}
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void CommonFrame::Initialize()
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{
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InitialiseEmulator();
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LinuxFrame::Initialize();
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}
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void CommonFrame::Destroy()
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{
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LinuxFrame::Destroy();
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myResource.clear();
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DestroyEmulator();
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}
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void CommonFrame::Restart()
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{
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Destroy();
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Initialize();
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}
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BYTE* CommonFrame::GetResource(WORD id, LPCSTR lpType, DWORD expectedSize)
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{
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myResource.clear();
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const std::string & filename = getResourceName(id);
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const std::string path = myResourcePath + filename;
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const int fd = open(path.c_str(), O_RDONLY);
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if (fd != -1)
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{
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struct stat stdbuf;
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if ((fstat(fd, &stdbuf) == 0) && S_ISREG(stdbuf.st_mode))
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{
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const off_t size = stdbuf.st_size;
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std::vector<BYTE> data(size);
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const ssize_t rd = read(fd, data.data(), size);
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if (rd == expectedSize)
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{
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std::swap(myResource, data);
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}
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}
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close(fd);
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}
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if (myResource.empty())
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{
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LogFileOutput("FindResource: could not load resource %s\n", filename.c_str());
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}
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return myResource.data();
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}
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std::string CommonFrame::getBitmapFilename(const std::string & resource)
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{
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if (resource == "CHARSET40") return "CHARSET4.BMP";
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if (resource == "CHARSET82") return "CHARSET82.bmp";
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if (resource == "CHARSET8M") return "CHARSET8M.bmp";
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if (resource == "CHARSET8C") return "CHARSET8C.bmp";
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return resource;
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}
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}
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