sourcemod/core/smn_filesystem.cpp
David Anderson efd3a8ab5f Handle system can now unload identities safely. when an identity is removed, all handles owned by it are removed in a chain.
--HG--
extra : convert_revision : svn%3A39bc706e-5318-0410-9160-8a85361fbb7c/trunk%40288
2007-01-11 07:29:09 +00:00

451 lines
10 KiB
C++

#include <sys/stat.h>
#include "sm_globals.h"
#include "HandleSys.h"
#include "LibrarySys.h"
#include "sm_stringutil.h"
HandleType_t g_FileType;
HandleType_t g_DirType;
class FileNatives :
public SMGlobalClass,
public IHandleTypeDispatch
{
public:
virtual void OnSourceModAllInitialized()
{
g_FileType = g_HandleSys.CreateType("File", this, 0, NULL, NULL, g_pCoreIdent, NULL);
g_DirType = g_HandleSys.CreateType("Directory", this, 0, NULL, NULL, g_pCoreIdent, NULL);
}
virtual void OnSourceModShutdown()
{
g_HandleSys.RemoveType(g_DirType, g_pCoreIdent);
g_HandleSys.RemoveType(g_FileType, g_pCoreIdent);
g_DirType = 0;
g_FileType = 0;
}
virtual void OnHandleDestroy(HandleType_t type, void *object)
{
if (type == g_FileType)
{
FILE *fp = (FILE *)object;
fclose(fp);
} else if (type == g_DirType) {
IDirectory *pDir = (IDirectory *)object;
g_LibSys.CloseDirectory(pDir);
}
}
};
static cell_t sm_OpenDirectory(IPluginContext *pContext, const cell_t *params)
{
char *path;
int err;
if ((err=pContext->LocalToString(params[1], &path)) != SP_ERROR_NONE)
{
pContext->ThrowNativeErrorEx(err, NULL);
return 0;
}
char realpath[PLATFORM_MAX_PATH+1];
g_LibSys.PathFormat(realpath, sizeof(realpath), "%s/%s", g_SourceMod.GetBaseDir(), path);
IDirectory *pDir = g_LibSys.OpenDirectory(realpath);
if (!pDir)
{
return 0;
}
return g_HandleSys.CreateHandle(g_DirType, pDir, pContext->GetIdentity(), g_pCoreIdent, NULL);
}
static cell_t sm_ReadDirEntry(IPluginContext *pContext, const cell_t *params)
{
Handle_t hndl = static_cast<Handle_t>(params[1]);
IDirectory *pDir;
HandleError herr;
HandleSecurity sec;
int err;
sec.pOwner = NULL;
sec.pIdentity = g_pCoreIdent;
if ((herr=g_HandleSys.ReadHandle(hndl, g_DirType, &sec, (void **)&pDir))
!= HandleError_None)
{
return pContext->ThrowNativeError("Invalid file handle %x (error %d)", hndl, herr);
}
if (!pDir->MoreFiles())
{
return false;
}
cell_t *filetype;
if ((err=pContext->LocalToPhysAddr(params[4], &filetype)) != SP_ERROR_NONE)
{
pContext->ThrowNativeErrorEx(err, NULL);
return 0;
}
if (pDir->IsEntryDirectory())
{
*filetype = 1;
} else if (pDir->IsEntryFile()) {
*filetype = 2;
} else {
*filetype = 0;
}
const char *path = pDir->GetEntryName();
if ((err=pContext->StringToLocalUTF8(params[2], params[3], path, NULL))
!= SP_ERROR_NONE)
{
pContext->ThrowNativeErrorEx(err, NULL);
return 0;
}
pDir->NextEntry();
return true;
}
static cell_t sm_OpenFile(IPluginContext *pContext, const cell_t *params)
{
char *name, *mode;
int err;
if ((err=pContext->LocalToString(params[1], &name)) != SP_ERROR_NONE)
{
pContext->ThrowNativeErrorEx(err, NULL);
return 0;
}
if ((err=pContext->LocalToString(params[2], &mode)) != SP_ERROR_NONE)
{
pContext->ThrowNativeErrorEx(err, NULL);
return 0;
}
char realpath[PLATFORM_MAX_PATH+1];
g_LibSys.PathFormat(realpath, sizeof(realpath), "%s/%s", g_SourceMod.GetBaseDir(), name);
FILE *pFile = fopen(realpath, mode);
if (!pFile)
{
return 0;
}
return g_HandleSys.CreateHandle(g_FileType, pFile, pContext->GetIdentity(), g_pCoreIdent, NULL);
}
static cell_t sm_DeleteFile(IPluginContext *pContext, const cell_t *params)
{
char *name;
int err;
if ((err=pContext->LocalToString(params[1], &name)) != SP_ERROR_NONE)
{
pContext->ThrowNativeErrorEx(err, NULL);
return 0;
}
char realpath[PLATFORM_MAX_PATH+1];
g_LibSys.PathFormat(realpath, sizeof(realpath), "%s/%s", g_SourceMod.GetBaseDir(), name);
return (unlink(realpath)) ? 0 : 1;
}
static cell_t sm_ReadFileLine(IPluginContext *pContext, const cell_t *params)
{
Handle_t hndl = static_cast<Handle_t>(params[1]);
HandleError herr;
HandleSecurity sec;
FILE *pFile;
int err;
sec.pOwner = NULL;
sec.pIdentity = g_pCoreIdent;
if ((herr=g_HandleSys.ReadHandle(hndl, g_FileType, &sec, (void **)&pFile))
!= HandleError_None)
{
return pContext->ThrowNativeError("Invalid file handle %x (error %d)", hndl, herr);
}
char *buf;
if ((err=pContext->LocalToString(params[2], &buf)) != SP_ERROR_NONE)
{
pContext->ThrowNativeErrorEx(err, NULL);
return 0;
}
fgets(buf, params[3], pFile);
return 1;
}
static cell_t sm_IsEndOfFile(IPluginContext *pContext, const cell_t *params)
{
Handle_t hndl = static_cast<Handle_t>(params[1]);
HandleError herr;
HandleSecurity sec;
FILE *pFile;
sec.pOwner = NULL;
sec.pIdentity = g_pCoreIdent;
if ((herr=g_HandleSys.ReadHandle(hndl, g_FileType, &sec, (void **)&pFile))
!= HandleError_None)
{
return pContext->ThrowNativeError("Invalid file handle %x (error %d)", hndl, herr);
}
return (feof(pFile)) ? 1 : 0;
}
static cell_t sm_FileSeek(IPluginContext *pContext, const cell_t *params)
{
Handle_t hndl = static_cast<Handle_t>(params[1]);
HandleError herr;
HandleSecurity sec;
FILE *pFile;
sec.pOwner = NULL;
sec.pIdentity = g_pCoreIdent;
if ((herr=g_HandleSys.ReadHandle(hndl, g_FileType, &sec, (void **)&pFile))
!= HandleError_None)
{
return pContext->ThrowNativeError("Invalid file handle %x (error %d)", hndl, herr);
}
fseek(pFile, params[2], params[3]);
return 1;
}
static cell_t sm_FilePosition(IPluginContext *pContext, const cell_t *params)
{
Handle_t hndl = static_cast<Handle_t>(params[1]);
HandleError herr;
HandleSecurity sec;
FILE *pFile;
sec.pOwner = NULL;
sec.pIdentity = g_pCoreIdent;
if ((herr=g_HandleSys.ReadHandle(hndl, g_FileType, &sec, (void **)&pFile))
!= HandleError_None)
{
return pContext->ThrowNativeError("Invalid file handle %x (error %d)", hndl, herr);
}
return ftell(pFile);
}
static cell_t sm_FileExists(IPluginContext *pContext, const cell_t *params)
{
char *name;
int err;
if ((err=pContext->LocalToString(params[1], &name)) != SP_ERROR_NONE)
{
pContext->ThrowNativeErrorEx(err, NULL);
return 0;
}
char realpath[PLATFORM_MAX_PATH+1];
g_LibSys.PathFormat(realpath, sizeof(realpath), "%s/%s", g_SourceMod.GetBaseDir(), name);
#ifdef PLATFORM_WINDOWS
struct _stat s;
if (_stat(realpath, &s) != 0)
{
return 0;
}
if (s.st_mode & S_IFREG)
{
return 1;
}
return 0;
#else if defined PLATFORM_POSIX
struct stat s;
if (stat(realpath, &s) != 0)
{
return 0;
}
if (S_ISREG(s.st_mode))
{
return 1;
}
return 0;
#endif
}
static cell_t sm_RenameFile(IPluginContext *pContext, const cell_t *params)
{
char *newpath, *oldpath;
int err;
if ((err=pContext->LocalToString(params[1], &newpath)) != SP_ERROR_NONE)
{
pContext->ThrowNativeErrorEx(err, NULL);
return 0;
}
if ((err=pContext->LocalToString(params[2], &oldpath)) != SP_ERROR_NONE)
{
pContext->ThrowNativeErrorEx(err, NULL);
return 0;
}
char new_realpath[PLATFORM_MAX_PATH+1];
g_LibSys.PathFormat(new_realpath, sizeof(new_realpath), "%s/%s", g_SourceMod.GetBaseDir(), newpath);
char old_realpath[PLATFORM_MAX_PATH+1];
g_LibSys.PathFormat(old_realpath, sizeof(old_realpath), "%s/%s", g_SourceMod.GetBaseDir(), oldpath);
#ifdef PLATFORM_WINDOWS
return (MoveFileA(old_realpath, new_realpath)) ? 1 : 0;
#else if defined PLATFORM_POSIX
return (rename(old_realpath, new_realpath)) ? 0 : 1;
#endif
}
static cell_t sm_DirExists(IPluginContext *pContext, const cell_t *params)
{
char *name;
int err;
if ((err=pContext->LocalToString(params[1], &name)) != SP_ERROR_NONE)
{
pContext->ThrowNativeErrorEx(err, NULL);
return 0;
}
char realpath[PLATFORM_MAX_PATH+1];
g_LibSys.PathFormat(realpath, sizeof(realpath), "%s/%s", g_SourceMod.GetBaseDir(), name);
#ifdef PLATFORM_WINDOWS
struct _stat s;
if (_stat(realpath, &s) != 0)
{
return 0;
}
if (s.st_mode & S_IFDIR)
{
return 1;
}
return 0;
#else if defined PLATFORM_POSIX
struct stat s;
if (stat(realpath, &s) != 0)
{
return 0;
}
if (S_ISDIR(s.st_mode))
{
return 1;
}
return 0;
#endif
}
static cell_t sm_FileSize(IPluginContext *pContext, const cell_t *params)
{
char *name;
int err;
if ((err=pContext->LocalToString(params[1], &name)) != SP_ERROR_NONE)
{
pContext->ThrowNativeErrorEx(err, NULL);
return -1;
}
char realpath[PLATFORM_MAX_PATH+1];
g_LibSys.PathFormat(realpath, sizeof(realpath), "%s/%s", g_SourceMod.GetBaseDir(), name);
#ifdef PLATFORM_WINDOWS
struct _stat s;
if (_stat(realpath, &s) != 0)
{
return -1;
}
if (s.st_mode & S_IFREG)
{
return static_cast<cell_t>(s.st_size);
}
return -1;
#else if defined PLATFORM_POSIX
struct stat s;
if (stat(realpath, &s) != 0)
{
return -1;
}
if (S_ISREG(s.st_mode))
{
return static_cast<cell_t>(s.st_size);
}
return -1;
#endif
}
static cell_t sm_RemoveDir(IPluginContext *pContext, const cell_t *params)
{
char *name;
int err;
if ((err=pContext->LocalToString(params[1], &name)) != SP_ERROR_NONE)
{
pContext->ThrowNativeErrorEx(err, NULL);
return 0;
}
char realpath[PLATFORM_MAX_PATH+1];
g_LibSys.PathFormat(realpath, sizeof(realpath), "%s/%s", g_SourceMod.GetBaseDir(), name);
return (rmdir(realpath)) ? 0 : 1;
}
static cell_t sm_WriteFileLine(IPluginContext *pContext, const cell_t *params)
{
Handle_t hndl = static_cast<Handle_t>(params[1]);
HandleError herr;
HandleSecurity sec;
FILE *pFile;
sec.pOwner = NULL;
sec.pIdentity = g_pCoreIdent;
if ((herr=g_HandleSys.ReadHandle(hndl, g_FileType, &sec, (void **)&pFile))
!= HandleError_None)
{
return pContext->ThrowNativeError("Invalid file handle %x (error %d)", hndl, herr);
}
char *fmt;
int err;
if ((err=pContext->LocalToString(params[2], &fmt)) != SP_ERROR_NONE)
{
pContext->ThrowNativeErrorEx(err, NULL);
return 0;
}
char buffer[2048];
int arg = 3;
atcprintf(buffer, sizeof(buffer), fmt, pContext, params, &arg);
fprintf(pFile, "%s\n", buffer);
return 1;
}
static FileNatives s_FileNatives;
REGISTER_NATIVES(filesystem)
{
{"OpenDirectory", sm_OpenDirectory},
{"ReadDirEntry", sm_ReadDirEntry},
{"OpenFile", sm_OpenFile},
{"DeleteFile", sm_DeleteFile},
{"ReadFileLine", sm_ReadFileLine},
{"IsEndOfFile", sm_IsEndOfFile},
{"FileSeek", sm_FileSeek},
{"FilePosition", sm_FilePosition},
{"FileExists", sm_FileExists},
{"RenameFile", sm_RenameFile},
{"DirExists", sm_DirExists},
{"FileSize", sm_FileSize},
{"RemoveDir", sm_RemoveDir},
{"WriteFileLine", sm_WriteFileLine},
{NULL, NULL},
};