amxmodx/amxmodx/file.cpp
2015-06-29 12:42:57 +02:00

1232 lines
24 KiB
C++
Executable File

// vim: set ts=4 sw=4 tw=99 noet:
//
// AMX Mod X, based on AMX Mod by Aleksander Naszko ("OLO").
// Copyright (C) The AMX Mod X Development Team.
//
// This software is licensed under the GNU General Public License, version 3 or higher.
// Additional exceptions apply. For full license details, see LICENSE.txt or visit:
// https://alliedmods.net/amxmodx-license
#include "amxmodx.h"
#include "CFileSystem.h"
#include "CLibrarySys.h"
using namespace ke;
// native read_dir(const dirname[], pos, output[], len, &outlen = 0);
static cell AMX_NATIVE_CALL read_dir(AMX *amx, cell *params)
{
int length;
const char* path = get_amxstring(amx, params[1], 0, length);
const char* realpath = build_pathname("%s", path);
AutoPtr<CDirectory> dir(g_LibSys.OpenDirectory(realpath));
if (!dir)
{
return 0;
}
cell offset = Max(0, params[2]);
if (offset >= 0)
{
#if defined PLATFORM_WINDOWS
// Should be declared after so entry starts to '.' and not '..'
// But old code did that, so keep this for compatibility.
++offset;
for (cell i = 0; i < offset && dir->MoreFiles(); ++i)
{
dir->NextEntry();
}
#elif defined PLATFORM_POSIX
seekdir(dir->GetHandle(), offset);
dir->NextEntry();
if (dir->IsValid())
{
offset = telldir(dir->GetHandle());
}
#endif
}
if (!dir->IsValid())
{
return 0;
}
const char* entry = dir->GetEntryName();
cell* outputLen = get_amxaddr(amx, params[5]);
*outputLen = set_amxstring_utf8(amx, params[3], entry, strlen(entry), params[4]);
return offset;
}
// native read_file(const file[], line, text[], len, &txtlen = 0);
static cell AMX_NATIVE_CALL read_file(AMX *amx, cell *params)
{
int length;
const char* path = get_amxstring(amx, params[1], 0, length);
const char* realpath = build_pathname("%s", path);
AutoPtr<SystemFile> fp(SystemFile::Open(realpath, "r"));
if (!fp)
{
LogError(amx, AMX_ERR_NATIVE, "Couldn't read file \"%s\"", path);
return 0;
}
static char buffer[2048];
size_t currentLine = 0;
size_t targetLine = Max(0, params[2]);
while (currentLine <= targetLine && fp->ReadLine(buffer, sizeof(buffer) - 1))
{
++currentLine;
}
if (currentLine > targetLine)
{
length = strlen(buffer);
if (buffer[length - 1] == '\n')
buffer[--length] = '\0';
if (buffer[length - 1] == '\r')
buffer[--length] = '\0';
cell* textLen = get_amxaddr(amx, params[5]);
*textLen = set_amxstring_utf8(amx, params[3], buffer, length, params[4]);
return currentLine;
}
return 0;
}
// native write_file(const file[], const text[], line = -1);
static cell AMX_NATIVE_CALL write_file(AMX *amx, cell *params)
{
int length;
const char* path = get_amxstring(amx, params[1], 0, length);
const char* text = get_amxstring(amx, params[2], 1, length);
int targetLine = params[3];
const char* realpath = build_pathname("%s", path);
AutoPtr<SystemFile>fp;
if (targetLine < 0)
{
if (!(fp = SystemFile::Open(realpath, "a")))
{
LogError(amx, AMX_ERR_NATIVE, "Couldn't write file \"%s\"", realpath);
return 0;
}
fp->Write(text, length);
fp->Write("\n", 1);
return 1;
}
if (!(fp = SystemFile::Open(realpath, "r")))
{
if (!(fp = SystemFile::Open(realpath, "w")))
{
LogError(amx, AMX_ERR_NATIVE, "Couldn't write file \"%s\"", realpath);
return 0;
}
for (int i = 0; i < targetLine; ++i)
{
fp->Write("\n", 1);
}
fp->Write(text, length);
fp->Write("\n", 1);
return 1;
}
SystemFile fptemp(tmpfile());
if (!fptemp.handle())
{
LogError(amx, AMX_ERR_NATIVE, "Couldn't create temp file");
return 0;
}
static char buffer[2048];
for (int i = 0;; ++i)
{
if (i == targetLine)
{
fp->ReadLine(buffer, sizeof(buffer) - 1);
fptemp.Write(text, length);
fptemp.Write("\n", 1);
}
else if (fp->ReadLine(buffer, sizeof(buffer) - 1))
{
fptemp.Write(buffer, strlen(buffer));
}
else if (i < targetLine)
{
fptemp.Write("\n", 1);
}
else
{
break;
}
}
rewind(fptemp.handle());
if (!(fp = AutoPtr<SystemFile>(SystemFile::Open(realpath, "w"))))
{
LogError(amx, AMX_ERR_NATIVE, "Couldn't write file \"%s\"", realpath);
return 0;
}
while (fptemp.ReadLine(buffer, sizeof(buffer) - 1))
{
fp->Write(buffer, strlen(buffer));
}
return 1;
}
// native delete_file(const file[], bool:use_valve_fs = false, const valve_path_id[] = "GAMECONFIG");
static cell AMX_NATIVE_CALL delete_file(AMX *amx, cell *params)
{
int length;
const char* file = get_amxstring(amx, params[1], 0, length);
if (*params / sizeof(cell) >= 2 && params[2] > 0)
{
const char* pathID = get_amxstring_null(amx, params[3], 1, length);
return ValveFile::Delete(file, pathID);
}
return SystemFile::Delete(build_pathname("%s", file));
}
// native file_exists(const file[], bool:use_valve_fs = false);
static cell AMX_NATIVE_CALL file_exists(AMX *amx, cell *params)
{
int length;
const char* file = get_amxstring(amx, params[1], 0, length);
if (*params / sizeof(cell) >= 2 && params[2] > 0)
{
return g_FileSystem->FileExists(file);
}
return g_LibSys.IsPathFile(build_pathname("%s", file));
}
// native dir_exists(const dir[], bool:use_valve_fs = false);
static cell AMX_NATIVE_CALL dir_exists(AMX *amx, cell *params)
{
int length;
const char *path = get_amxstring(amx, params[1], 0, length);
if (*params / sizeof(cell) >= 2 && params[2] > 0)
{
return g_FileSystem->IsDirectory(path);
}
return g_LibSys.IsPathDirectory(build_pathname("%s", path));
}
#define FSOPT_BYTES_COUNT 0
#define FSOPT_LINES_COUNT 1
#define FSOPT_END_WITH_LF 2
// native file_size(const file[], flag = 0, bool:use_valve_fs = false, const valve_path_id[] = "GAME");
static cell AMX_NATIVE_CALL file_size(AMX *amx, cell *params)
{
int length;
const char* path = get_amxstring(amx, params[1], 0, length);
int flag = FSOPT_BYTES_COUNT;
AutoPtr<FileObject> fp;
size_t numParams = *params / sizeof(cell);
if (numParams >= 3 && params[3] > 0)
{
const char* pathID = get_amxstring_null(amx, params[4], 1, length);
fp = ValveFile::Open(path, "r", pathID);
}
else
{
fp = SystemFile::Open(build_pathname("%s", path), "r");
}
if (!fp)
{
return -1;
}
if (numParams >= 2)
{
flag = params[2];
}
switch (flag)
{
case FSOPT_BYTES_COUNT:
{
fp->Seek(0, SEEK_END);
return fp->Tell();
}
case FSOPT_LINES_COUNT:
{
int8_t ch = 0;
size_t lines = 0;
while (!fp->EndOfFile() && !fp->HasError())
{
++lines;
while (fp->Read(&ch, 1) == 1 && ch != '\n' && ch != EOF);
}
return lines;
}
case FSOPT_END_WITH_LF:
{
int8_t ch = 0;
fp->Seek(-1, SEEK_END);
fp->Read(&ch, 1);
return ch == '\n';
}
}
return -1;
}
// native fopen(const filename[], const mode[], bool:use_valve_fs = false, const valve_path_id[] = "GAME");
static cell AMX_NATIVE_CALL amx_fopen(AMX *amx, cell *params)
{
int length;
const char* file = get_amxstring(amx, params[1], 0, length);
const char* flags = get_amxstring(amx, params[2], 1, length);
FileObject* fp = nullptr;
if (*params / sizeof(cell) >= 3 && params[3] > 0)
{
const char* pathID = get_amxstring_null(amx, params[4], 2, length);
fp = ValveFile::Open(file, flags, pathID);
}
else
{
fp = SystemFile::Open(build_pathname("%s", file), flags);
}
if (!fp)
{
return 0;
}
return reinterpret_cast<cell>(fp);
}
#define BLOCK_INT 4
#define BLOCK_SHORT 2
#define BLOCK_CHAR 1
// native fwrite_blocks(file, const data[], blocks, mode);
static cell AMX_NATIVE_CALL amx_fwrite_blocks(AMX *amx, cell *params)
{
FileObject* fp = reinterpret_cast<FileObject*>(params[1]);
if (!fp)
{
return 0;
}
cell* data = get_amxaddr(amx, params[2]);
cell blocks = params[3];
cell size = params[4];
size_t read = 0;
switch (size)
{
case BLOCK_CHAR:
{
for (cell i = 0; i < blocks; ++i)
{
char value = data[i];
if (fp->Write(&value, sizeof(value)) != sizeof(value))
{
break;
}
read += sizeof(value);
}
break;
}
case BLOCK_SHORT:
{
for (cell i = 0; i < blocks; ++i)
{
short value = data[i];
if (fp->Write(&value, sizeof(value)) != sizeof(value))
{
break;
}
read += sizeof(value);
}
break;
}
case BLOCK_INT:
{
read = fp->Write(data, sizeof(cell) * blocks);
break;
}
default:
{
return 0;
}
}
return read / size;
}
// native fwrite(file, data, mode);
static cell AMX_NATIVE_CALL amx_fwrite(AMX *amx, cell *params)
{
FileObject* fp = reinterpret_cast<FileObject*>(params[1]);
if (!fp)
{
return 0;
}
cell data = params[2];
size_t size = params[3];
switch (size)
{
case BLOCK_CHAR:
{
char value = static_cast<char>(data);
return fp->Write(&value, sizeof(value));
}
case BLOCK_SHORT:
{
short value = static_cast<short>(data);
return fp->Write(&value, sizeof(value));
}
case BLOCK_INT:
{
int value = static_cast<int>(data);
return fp->Write(&value, sizeof(value));
}
}
return 0;
}
// native fwrite_raw(file, const stream[], blocksize, mode);
static cell AMX_NATIVE_CALL amx_fwrite_raw(AMX *amx, cell *params)
{
FileObject* fp = reinterpret_cast<FileObject*>(params[1]);
if (!fp)
{
return 0;
}
cell* data = get_amxaddr(amx, params[2]);
return fp->Write(&data, params[3] * params[4]);
}
// native fread_raw(file, stream[], blocksize, blocks);
static cell AMX_NATIVE_CALL amx_fread_raw(AMX *amx, cell *params)
{
FileObject* fp = reinterpret_cast<FileObject*>(params[1]);
if (!fp)
{
return 0;
}
cell* data = get_amxaddr(amx, params[2]);
return fp->Read(data, params[3] * params[4]);
}
// native fread(file, &data, mode);
static cell AMX_NATIVE_CALL amx_fread(AMX *amx, cell *params)
{
FileObject* fp = reinterpret_cast<FileObject*>(params[1]);
if (!fp)
{
return 0;
}
cell *data = get_amxaddr(amx, params[2]);
switch (params[3])
{
case BLOCK_CHAR:
{
char value;
size_t res = fp->Read(&value, sizeof(value));
*data = static_cast<cell>(value);
return res;
}
case BLOCK_SHORT:
{
short value;
size_t res = fp->Read(&value, sizeof(value));
*data = static_cast<cell>(value);
return res;
}
case BLOCK_INT:
{
int value;
size_t res = fp->Read(&value, sizeof(value));
*data = static_cast<cell>(value);
return res;
}
}
return 0;
}
// native fread_blocks(file, data[], blocks, mode);
static cell AMX_NATIVE_CALL amx_fread_blocks(AMX *amx, cell *params)
{
FileObject* fp = reinterpret_cast<FileObject*>(params[1]);
if (!fp)
{
return 0;
}
cell *data = get_amxaddr(amx, params[2]);
cell blocks = params[3];
cell size = params[4];
size_t read = 0;
switch (size)
{
case BLOCK_CHAR:
{
for (cell i = 0; i < blocks; ++i)
{
char value;
if (fp->Read(&value, sizeof(value)) != sizeof(value))
{
break;
}
read += sizeof(value);
*data++ = value;
}
break;
}
case BLOCK_SHORT:
{
for (cell i = 0; i < blocks; ++i)
{
short value;
if (fp->Read(&value, sizeof(value)) != sizeof(value))
{
break;
}
read += sizeof(value);
*data++ = value;
}
break;
}
case BLOCK_INT:
{
read = fp->Read(data, sizeof(cell) * blocks);
break;
}
default:
{
return 0;
}
}
return read / size;
}
// native fputs(file, const text[], bool:null_term = false);
static cell AMX_NATIVE_CALL amx_fputs(AMX *amx, cell *params)
{
FileObject* fp = reinterpret_cast<FileObject*>(params[1]);
if (!fp)
{
return 0;
}
int length;
char *string = get_amxstring(amx, params[2], 0, length);
if (*params / sizeof(cell) >= 3 && params[3] > 0)
{
++length;
}
if (fp->Write(string, length) != length)
{
return -1;
}
return 0;
}
// native fgets(file, buffer[], maxlength);
static cell AMX_NATIVE_CALL amx_fgets(AMX *amx, cell *params)
{
FileObject* fp = reinterpret_cast<FileObject*>(params[1]);
if (!fp)
{
return 0;
}
static char buffer[4096];
buffer[0] = '\0';
fp->ReadLine(buffer, sizeof(buffer) - 1);
return set_amxstring_utf8(amx, params[2], buffer, strlen(buffer), params[3]);
}
// native fseek(file, position, start);
static cell AMX_NATIVE_CALL amx_fseek(AMX *amx, cell *params)
{
FileObject* fp = reinterpret_cast<FileObject*>(params[1]);
if (!fp)
{
return 0;
}
return !fp->Seek(params[2], params[3]);
}
// native ftell(file);
static cell AMX_NATIVE_CALL amx_ftell(AMX *amx, cell *params)
{
FileObject* fp = reinterpret_cast<FileObject*>(params[1]);
if (!fp)
{
return 0;
}
return fp->Tell();
}
// native fprintf(file, const fmt[], any:...);
static cell AMX_NATIVE_CALL amx_fprintf(AMX *amx, cell *params)
{
FileObject* fp = reinterpret_cast<FileObject*>(params[1]);
if (!fp)
{
return 0;
}
int length;
const char* string = format_amxstring(amx, params, 2, length);
if (ValveFile *vfile = fp->AsValveFile())
{
return g_FileSystem->FPrintf(vfile->handle(), const_cast<char*>("%s"), string);
}
else if (SystemFile *sysfile = fp->AsSystemFile())
{
return fprintf(sysfile->handle(), "%s", string);
}
else
{
assert(false);
}
return 0;
}
// native feof(file);
static cell AMX_NATIVE_CALL amx_feof(AMX *amx, cell *params)
{
FileObject* fp = reinterpret_cast<FileObject*>(params[1]);
if (fp)
{
return fp->EndOfFile();
}
return 1;
}
// native fclose(file);
static cell AMX_NATIVE_CALL amx_fclose(AMX *amx, cell *params)
{
FileObject* fp = reinterpret_cast<FileObject*>(params[1]);
if (fp)
{
fp->Close();
}
return 1;
}
// native filesize(const filename[], any:...);
static cell AMX_NATIVE_CALL amx_filesize(AMX *amx, cell *params)
{
int length;
const char *realpath = build_pathname("%s", format_amxstring(amx, params, 1, length));
AutoPtr<SystemFile> fp(SystemFile::Open(realpath, "rb"));
if (fp)
{
fp->Seek(0, SEEK_END);
return fp->Tell();
}
return -1;
}
// Undocumented.
static cell AMX_NATIVE_CALL amx_build_pathname(AMX *amx, cell *params)
{
int length;
const char* path = get_amxstring(amx, params[1], 0, length);
return set_amxstring(amx, params[2], build_pathname("%s", path), params[3]);
}
enum FileType
{
FileType_Unknown, /* Unknown file type (device/socket) */
FileType_Directory, /* File is a directory */
FileType_File, /* File is a file */
};
struct DirectoryHandle
{
DirectoryHandle(void* handle_, bool valvefs_) : handle(handle_), valvefs(valvefs_) {}
void* handle;
bool valvefs;
};
// native open_dir(dir[], firstfile[], length, &FileType:type = FileType_Unknown, bool:use_valve_fs=false, const valve_path_id[] = "GAME");
static cell AMX_NATIVE_CALL amx_open_dir(AMX *amx, cell *params)
{
int length;
const char* path = get_amxstring(amx, params[1], 0, length);
if (!*path)
{
return 0;
}
size_t numParams = *params / sizeof(cell);
if (numParams >= 4 && params[5] > 0)
{
const char* wildcardedPath = g_LibSys.PathFormat("%s%s*", path, (path[length - 1] != '/' && path[length - 1] != '\\') ? "/" : "");
const char* pathID = get_amxstring_null(amx, params[6], 1, length);
static FileFindHandle_t handle;
const char* pFirst = g_FileSystem->FindFirst(wildcardedPath, &handle, pathID);
if (!pFirst)
{
return 0;
}
set_amxstring_utf8(amx, params[2], pFirst, strlen(pFirst), params[3]);
cell* fileType = get_amxaddr(amx, params[4]);
*fileType = g_FileSystem->FindIsDirectory(handle) ? FileType_Directory : FileType_File;
return reinterpret_cast<cell>(new DirectoryHandle(reinterpret_cast<void*>(&handle), true));
}
CDirectory* dir = g_LibSys.OpenDirectory(build_pathname("%s", path));
if (!dir)
{
return 0;
}
if (numParams >= 4)
{
cell* fileType = get_amxaddr(amx, params[4]);
*fileType = dir->IsEntryDirectory() ? FileType_Directory : FileType_File;
}
const char* entry = dir->GetEntryName();
set_amxstring_utf8(amx, params[2], entry, strlen(entry), params[3]);
return reinterpret_cast<cell>(new DirectoryHandle(reinterpret_cast<void*>(dir), false));
}
// native close_dir(dirh);
static cell AMX_NATIVE_CALL amx_close_dir(AMX *amx, cell *params)
{
AutoPtr<DirectoryHandle> p(reinterpret_cast<DirectoryHandle*>(params[1]));
if (!p)
{
return 0;
}
if (p->valvefs)
{
FileFindHandle_t* handle = reinterpret_cast<FileFindHandle_t*>(p->handle);
g_FileSystem->FindClose(*handle);
}
else
{
CDirectory* handle = reinterpret_cast<CDirectory*>(p->handle);
g_LibSys.CloseDirectory(handle);
}
return 1;
}
// native next_file(dirh, buffer[], length, &FileType:type = FileType_Unknown);
static cell AMX_NATIVE_CALL amx_get_dir(AMX *amx, cell *params)
{
DirectoryHandle* p = reinterpret_cast<DirectoryHandle*>(params[1]);
if (!p)
{
return 0;
}
size_t numParams = *params / sizeof(cell);
if (p->valvefs)
{
FileFindHandle_t* handle = reinterpret_cast<FileFindHandle_t*>(p->handle);
if (!handle)
{
return 0;
}
const char* entry = g_FileSystem->FindNext(*handle);
if (!entry)
{
return 0;
}
if (numParams >= 4)
{
cell* fileType = get_amxaddr(amx, params[4]);
*fileType = g_FileSystem->FindIsDirectory(*handle) ? FileType_Directory : FileType_File;
}
set_amxstring_utf8(amx, params[2], entry, strlen(entry), params[3]);
}
else
{
CDirectory* handle = reinterpret_cast<CDirectory*>(p->handle);
if (!handle)
{
return 0;
}
handle->NextEntry();
if (!handle->MoreFiles())
{
return 0;
}
if (numParams >= 4)
{
cell* fileType = get_amxaddr(amx, params[4]);
*fileType = handle->IsEntryDirectory() ? FileType_Directory : FileType_File;
}
const char* entry = handle->GetEntryName();
set_amxstring_utf8(amx, params[2], entry, strlen(entry), params[3]);
}
return 1;
}
//native fgetc(file);
static cell AMX_NATIVE_CALL amx_fgetc(AMX *amx, cell *params)
{
FileObject* fp = reinterpret_cast<FileObject*>(params[1]);
if (!fp)
{
return 0;
}
uint8_t val;
if (fp->Read(&val, sizeof(val)) != sizeof(val))
{
return -1;
}
return static_cast<cell>(val);
}
//native fputc(file, data);
static cell AMX_NATIVE_CALL amx_fputc(AMX *amx, cell *params)
{
FileObject* fp = reinterpret_cast<FileObject*>(params[1]);
if (!fp)
{
return 0;
}
uint8_t val = static_cast<uint8_t>(params[2]);
if (fp->Write(&val, sizeof(val)) != sizeof(val))
{
return -1;
}
return val;
}
//native ungetc(file, data);
static cell AMX_NATIVE_CALL amx_ungetc(AMX *amx, cell *params)
{
FileObject* fp = reinterpret_cast<FileObject*>(params[1]);
if (!fp)
{
return 0;
}
SystemFile* sysfile = fp->AsSystemFile();
if (!sysfile)
{
LogError(amx, AMX_ERR_NATIVE, "Can not ungetc to file in the Valve file system");
return 0;
}
return ungetc(static_cast<int>(params[2]), sysfile->handle());
}
// native rmdir(const path[]);
static cell AMX_NATIVE_CALL amx_rmdir(AMX *amx, cell *params)
{
int length;
const char* realpath = build_pathname("%s", get_amxstring(amx, params[1], 0, length));
return rmdir(realpath) == 0;
}
// native mkdir(const dirname[], mode, bool:use_valve_fs = false, const valve_path_id[] = "GAMECONFIG");
static cell AMX_NATIVE_CALL amx_mkdir(AMX *amx, cell *params)
{
int length;
char *path = get_amxstring(amx, params[1], 0, length);
size_t numParams = *params / sizeof(cell);
if (numParams >= 3 && params[3] > 0)
{
const char* pathID = get_amxstring_null(amx, params[4], 1, length);
if (g_FileSystem->IsDirectory(path))
{
return -1;
}
g_FileSystem->CreateDirHierarchy(path, pathID);
if (g_FileSystem->IsDirectory(path))
{
return 0;
}
}
const char* realpath = build_pathname("%s", path);
#if defined PLATFORM_WINDOWS
return mkdir(realpath);
#else
if (numParams >= 2)
{
return mkdir(realpath, params[2]);
}
return mkdir(realpath, 0755);
#endif
}
// native rename_file(const oldname[], const newname[], relative = 0);
static cell AMX_NATIVE_CALL rename_file(AMX *amx, cell *params)
{
int length;
char file_old_r[PLATFORM_MAX_PATH];
char file_new_r[PLATFORM_MAX_PATH];
const char* file_old = get_amxstring(amx, params[1], 0, length);
const char* file_new = get_amxstring(amx, params[2], 1, length);
if (params[0] / sizeof(cell) >= 3 && params[3] > 0)
{
build_pathname_r(file_old_r, sizeof(file_old_r) - 1, "%s", file_old);
build_pathname_r(file_new_r, sizeof(file_new_r) - 1, "%s", file_new);
}
else
{
g_LibSys.PathFormat(file_old_r, sizeof(file_old_r) - 1, "%s", file_old);
g_LibSys.PathFormat(file_new_r, sizeof(file_new_r) - 1, "%s", file_new);
}
#if defined PLATFORM_POSIX
return (rename(file_old_r, file_new_r) == 0);
#elif defined PLATFORM_WINDOWS
return MoveFileA(file_old_r, file_new_r);
#endif
}
// native LoadFileForMe(const file[], buffer[], maxlength, &length = 0);
static cell LoadFileForMe(AMX *amx, cell *params)
{
int length;
char *file = get_amxstring(amx, params[1], 0, length);
char path[PLATFORM_MAX_PATH];
build_pathname_r(path, sizeof(path), "%s", file);
byte* addr = LOAD_FILE_FOR_ME(path, &length);
if (!addr)
{
return -1;
}
cell *buffer = get_amxaddr(amx, params[2]);
cell maxlength = params[3];
cell *bytes_avail = get_amxaddr(amx, params[4]);
*bytes_avail = length;
cell count;
for (count = 0; count < length && count < maxlength; count++)
{
buffer[count] = addr[count];
}
FREE_FILE(addr);
return count;
}
// native fflush(file);
static cell AMX_NATIVE_CALL amx_fflush(AMX *amx, cell *params)
{
FileObject* fp = reinterpret_cast<FileObject*>(params[1]);
if (fp)
{
return fp->Flush();
}
return -1;
}
// native GetFileTime(const file[], FileTimeType:tmode);
static cell AMX_NATIVE_CALL GetFileTime(AMX *amx, cell *params)
{
int length;
const char* file = get_amxstring(amx, params[1], 0, length);
time_t time_val;
if (!g_LibSys.FileTime(build_pathname("%s", file), static_cast<FileTimeType>(params[2]), &time_val))
{
return -1;
}
return static_cast<cell>(time_val);
}
#define FPERM_U_READ 0x0100 /* User can read. */
#define FPERM_U_WRITE 0x0080 /* User can write. */
#define FPERM_U_EXEC 0x0040 /* User can exec. */
#define FPERM_G_READ 0x0020 /* Group can read. */
#define FPERM_G_WRITE 0x0010 /* Group can write. */
#define FPERM_G_EXEC 0x0008 /* Group can exec. */
#define FPERM_O_READ 0x0004 /* Anyone can read. */
#define FPERM_O_WRITE 0x0002 /* Anyone can write. */
#define FPERM_O_EXEC 0x0001 /* Anyone can exec. */
// native bool:SetFilePermissions(const path[], int mode);
static cell SetFilePermissions(AMX *amx, cell *params)
{
int length;
const char* realpath = build_pathname(get_amxstring(amx, params[1], 0, length));
#if defined PLATFORM_WINDOWS
int mask = 0;
if (params[2] & (FPERM_U_WRITE | FPERM_G_WRITE | FPERM_O_WRITE))
{
mask |= _S_IWRITE;
}
if (params[2] & (FPERM_U_READ | FPERM_G_READ | FPERM_O_READ | FPERM_U_EXEC | FPERM_G_EXEC | FPERM_O_EXEC))
{
mask |= _S_IREAD;
}
return _chmod(realpath, mask) == 0;
#else
return chmod(realpath, params[2]) == 0;
#endif
}
template <typename T>
static cell File_ReadTyped(AMX *amx, cell *params)
{
FileObject* fp = reinterpret_cast<FileObject*>(params[1]);
if (!fp)
{
return 0;
}
cell* data = get_amxaddr(amx, params[2]);
T value;
if (fp->Read(&value, sizeof(value)) != sizeof(value))
{
return 0;
}
*data = value;
return 1;
}
template <typename T>
static cell File_WriteTyped(AMX *amx, cell *params)
{
FileObject* fp = reinterpret_cast<FileObject*>(params[1]);
if (!fp)
{
return 0;
}
T value = static_cast<T>(params[2]);
return !!(fp->Write(&value, sizeof(value)) == sizeof(value));
}
AMX_NATIVE_INFO file_Natives[] =
{
{"read_dir", read_dir},
{"read_file", read_file},
{"write_file", write_file},
{"rename_file", rename_file},
{"delete_file", delete_file},
{"unlink", delete_file},
{"file_exists", file_exists},
{"file_size", file_size},
{"filesize", amx_filesize},
{"fopen", amx_fopen},
{"fclose", amx_fclose},
{"fread", amx_fread},
{"fread_blocks", amx_fread_blocks},
{"fread_raw", amx_fread_raw},
{"fwrite", amx_fwrite},
{"fwrite_blocks", amx_fwrite_blocks},
{"fwrite_raw", amx_fwrite_raw},
{"feof", amx_feof},
{"fprintf", amx_fprintf},
{"fgets", amx_fgets},
{"fseek", amx_fseek},
{"ftell", amx_ftell},
{"fgetc", amx_fgetc},
{"fputc", amx_fputc},
{"fungetc", amx_ungetc},
{"fputs", amx_fputs},
{"fflush", amx_fflush},
{"build_pathname", amx_build_pathname},
{"dir_exists", dir_exists},
{"open_dir", amx_open_dir},
{"close_dir", amx_close_dir},
{"next_file", amx_get_dir},
{"rmdir", amx_rmdir},
{"mkdir", amx_mkdir},
{"LoadFileForMe", LoadFileForMe},
{"GetFileTime", GetFileTime},
{"SetFilePermissions", SetFilePermissions},
{"FileReadInt8", File_ReadTyped<int8_t>},
{"FileReadUint8", File_ReadTyped<uint8_t>},
{"FileReadInt16", File_ReadTyped<int16_t>},
{"FileReadUint16", File_ReadTyped<uint16_t>},
{"FileReadInt32", File_ReadTyped<int32_t>},
{"FileWriteInt8", File_WriteTyped<int8_t>},
{"FileWriteInt16", File_WriteTyped<int16_t>},
{"FileWriteInt32", File_WriteTyped<int32_t>},
{NULL, NULL}
};