/// `util` module support bindings for SyNode
// - this unit is a part of the freeware Synopse framework,
// licensed under a MPL/GPL/LGPL tri-license; version 1.18
unit SyNodeBinding_const;

interface
{$I Synopse.inc}
{$I SyNode.inc}
uses
  SysUtils,
  SynCommons,
  SyNode, SpiderMonkey;

implementation

uses
  SynZip,
  {$IFDEF MSWINDOWS}
  Windows
  {$ELSE}
  BaseUnix
  {$ENDIF}
  ;

{$IFDEF UNIX}
const
  O_DSYNC        = &0010000;
  O_NOATIME      = &1000000;

  // fs open() flags supported on other platforms
  O_RANDOM       = 0;
  O_SHORT_LIVED  = 0;
  O_SEQUENTIAL   = 0;
  O_TEMPORARY    = 0;

  O_EXLOCK       = 0;
  O_SYMLINK      = 0;
{$ENDIF}
{$IFDEF MSWINDOWS}
const
  F_OK = 0;
  R_OK = 4;
  W_OK = 2;
  X_OK = 1;

  // fs open() flags supported on Windows:
  O_APPEND      = $0008;
  O_CREAT       = $0100;
  O_EXCL        = $0400;
  O_RANDOM      = $0010;
  O_RDONLY      = 0;
  O_RDWR        = 2;
  O_SEQUENTIAL  = $0020;
  O_SHORT_LIVED = $1000;
  O_TEMPORARY   = $0040;
  O_TRUNC       = $0200;
  O_WRONLY      = 1;

  // fs open() flags supported on other platforms (or mapped on Windows):
  O_DIRECT      = $02000000; // FILE_FLAG_NO_BUFFERING
  O_DIRECTORY   = 0;
  O_DSYNC       = $04000000; // FILE_FLAG_WRITE_THROUGH
  O_EXLOCK      = $10000000; // EXCLUSIVE SHARING MODE
  O_NOATIME     = 0;
  O_NOCTTY      = 0;
  O_NOFOLLOW    = 0;
  O_NONBLOCK    = 0;
  O_SYMLINK     = 0;
  O_SYNC        = $08000000; // FILE_FLAG_WRITE_THROUGH

  { File types }
  S_IFMT   = $F000; // type of file mask
  S_IFIFO  = $1000; // named pipe (fifo)
  S_IFCHR  = $2000; // character special
  S_IFDIR  = $4000; // directory
  S_IFBLK  = $3000; // block special
  S_IFREG  = $8000; // regular
  S_IFLNK  = 0;     // symbolic link
  S_IFSOCK = 0;     // socket
{$ENDIF}
  Z_MIN_WINDOWBITS = 8;
  Z_MAX_WINDOWBITS = 15;
  Z_DEFAULT_WINDOWBITS = 15;
  // Fewer than 64 bytes per chunk is not recommended.
  // Technically it could work with as few as 8, but even 64 bytes
  // is low.  Usually a MB or more is best.
  Z_MIN_CHUNK = 64;
  Z_MAX_CHUNK = $0FFFFFFF;
  Z_DEFAULT_CHUNK = 16 * 1024;
  Z_MIN_MEMLEVEL = 1;
  Z_MAX_MEMLEVEL = 9;
  Z_DEFAULT_MEMLEVEL = 8;
  Z_MIN_LEVEL = -1;
  Z_MAX_LEVEL = 9;
  Z_DEFAULT_LEVEL = Z_DEFAULT_COMPRESSION;

type
  node_zlib_mode = (nzlmNONE, nzlmDEFLATE, nzlmINFLATE, nzlmGZIP, nzlmGUNZIP,
    nzlmDEFLATERAW, nzlmINFLATERAW, nzlmUNZIP);

function SyNodeBindingProc_consts(const aEngine: TSMEngine; const bindingNamespaceName: SynUnicode): jsval;
var
  obj, obj_fs, obj_zlib: PJSRootedObject;
  jsv: jsval;
  cx: PJSContext;
const
  attrs = JSPROP_ENUMERATE or JSPROP_READONLY or JSPROP_PERMANENT;
begin
  cx := aEngine.cx;
  obj := cx.NewRootedObject(cx.NewObject(nil));
  obj_fs := cx.NewRootedObject(cx.NewObject(nil));
  obj_zlib := cx.NewRootedObject(cx.NewObject(nil));
  try
    // constansts.fs
    jsv.asInteger := F_OK; obj_fs.ptr.DefineProperty(cx, 'F_OK', jsv, attrs);
    jsv.asInteger := R_OK; obj_fs.ptr.DefineProperty(cx, 'R_OK', jsv, attrs);
    jsv.asInteger := W_OK; obj_fs.ptr.DefineProperty(cx, 'W_OK', jsv, attrs);
    jsv.asInteger := X_OK; obj_fs.ptr.DefineProperty(cx, 'X_OK', jsv, attrs);

    jsv.asInteger := O_APPEND; obj_fs.ptr.DefineProperty(cx, 'O_APPEND', jsv, attrs);
    jsv.asInteger := O_CREAT; obj_fs.ptr.DefineProperty(cx, 'O_CREAT', jsv, attrs);
    jsv.asInteger := O_EXCL; obj_fs.ptr.DefineProperty(cx, 'O_EXCL', jsv, attrs);
    jsv.asInteger := O_RANDOM; obj_fs.ptr.DefineProperty(cx, 'O_RANDOM', jsv, attrs);
    jsv.asInteger := O_RDONLY; obj_fs.ptr.DefineProperty(cx, 'O_RDONLY', jsv, attrs);
    jsv.asInteger := O_RDWR; obj_fs.ptr.DefineProperty(cx, 'O_RDWR', jsv, attrs);
    jsv.asInteger := O_SEQUENTIAL; obj_fs.ptr.DefineProperty(cx, 'O_SEQUENTIAL', jsv, attrs);
    jsv.asInteger := O_SHORT_LIVED; obj_fs.ptr.DefineProperty(cx, 'O_SHORT_LIVED', jsv, attrs);
    jsv.asInteger := O_TEMPORARY; obj_fs.ptr.DefineProperty(cx, '', jsv, attrs);
    jsv.asInteger := O_TRUNC; obj_fs.ptr.DefineProperty(cx, 'O_TRUNC', jsv, attrs);
    jsv.asInteger := O_WRONLY; obj_fs.ptr.DefineProperty(cx, 'O_WRONLY', jsv, attrs);

    jsv.asInteger := O_DIRECT; obj_fs.ptr.DefineProperty(cx, 'O_DIRECT', jsv, attrs);
    jsv.asInteger := O_DIRECTORY; obj_fs.ptr.DefineProperty(cx, 'O_DIRECTORY', jsv, attrs);
    jsv.asInteger := O_DSYNC; obj_fs.ptr.DefineProperty(cx, 'O_DSYNC', jsv, attrs);
    jsv.asInteger := O_EXLOCK; obj_fs.ptr.DefineProperty(cx, 'O_EXLOCK', jsv, attrs);
    jsv.asInteger := O_NOATIME; obj_fs.ptr.DefineProperty(cx, 'O_NOATIME', jsv, attrs);
    jsv.asInteger := O_NOCTTY; obj_fs.ptr.DefineProperty(cx, 'O_NOCTTY', jsv, attrs);
    jsv.asInteger := O_NOFOLLOW; obj_fs.ptr.DefineProperty(cx, 'O_NOFOLLOW', jsv, attrs);
    jsv.asInteger := O_NONBLOCK; obj_fs.ptr.DefineProperty(cx, 'O_NONBLOCK', jsv, attrs);
    jsv.asInteger := O_SYMLINK; obj_fs.ptr.DefineProperty(cx, 'O_SYMLINK', jsv, attrs);
    jsv.asInteger := O_SYNC; obj_fs.ptr.DefineProperty(cx, 'O_SYNC', jsv, attrs);

    jsv.asInteger := S_IFMT; obj_fs.ptr.DefineProperty(cx, 'S_IFMT', jsv, attrs);
    jsv.asInteger := S_IFIFO; obj_fs.ptr.DefineProperty(cx, 'S_IFIFO', jsv, attrs);
    jsv.asInteger := S_IFCHR; obj_fs.ptr.DefineProperty(cx, 'S_IFCHR', jsv, attrs);
    jsv.asInteger := S_IFDIR; obj_fs.ptr.DefineProperty(cx, 'S_IFDIR', jsv, attrs);
    jsv.asInteger := S_IFBLK; obj_fs.ptr.DefineProperty(cx, 'S_IFBLK', jsv, attrs);
    jsv.asInteger := S_IFREG; obj_fs.ptr.DefineProperty(cx, 'S_IFREG', jsv, attrs);
    jsv.asInteger := S_IFLNK; obj_fs.ptr.DefineProperty(cx, 'S_IFLNK', jsv, attrs);
    jsv.asInteger := S_IFSOCK; obj_fs.ptr.DefineProperty(cx, 'S_IFSOCK', jsv, attrs);
{
    jsv.asInteger := S_IRWXU; obj_??.ptr.DefineProperty(cx, 'S_IRWXU', jsv, attrs);
    jsv.asInteger := S_IRUSR; obj_??.ptr.DefineProperty(cx, 'S_IRUSR', jsv, attrs);
    jsv.asInteger := S_IWUSR; obj_??.ptr.DefineProperty(cx, 'S_IWUSR', jsv, attrs);
    jsv.asInteger := S_IXUSR; obj_??.ptr.DefineProperty(cx, 'S_IXUSR', jsv, attrs);
    jsv.asInteger := S_IRWXG; obj_??.ptr.DefineProperty(cx, 'S_IRWXG', jsv, attrs);
    jsv.asInteger := S_IRGRP; obj_??.ptr.DefineProperty(cx, 'S_IRGRP', jsv, attrs);
    jsv.asInteger := S_IWGRP; obj_??.ptr.DefineProperty(cx, 'S_IWGRP', jsv, attrs);
    jsv.asInteger := S_IXGRP; obj_??.ptr.DefineProperty(cx, 'S_IXGRP', jsv, attrs);
    jsv.asInteger := S_IRWXO; obj_??.ptr.DefineProperty(cx, 'S_IRWXO', jsv, attrs);
    jsv.asInteger := S_IROTH; obj_??.ptr.DefineProperty(cx, 'S_IROTH', jsv, attrs);
    jsv.asInteger := S_IWOTH; obj_??.ptr.DefineProperty(cx, 'S_IWOTH', jsv, attrs);
    jsv.asInteger := S_IXOTH; obj_??.ptr.DefineProperty(cx, 'S_IXOTH', jsv, attrs);
}
    obj.ptr.DefineProperty(cx, 'fs', obj_fs.ptr.ToJSValue, attrs);

    //constants zlib
    jsv.asInteger := Z_NO_FLUSH; obj_zlib.ptr.DefineProperty(cx, 'Z_NO_FLUSH', jsv, attrs);
    jsv.asInteger := Z_PARTIAL_FLUSH; obj_zlib.ptr.DefineProperty(cx, 'Z_PARTIAL_FLUSH', jsv, attrs);
    jsv.asInteger := Z_SYNC_FLUSH; obj_zlib.ptr.DefineProperty(cx, 'Z_SYNC_FLUSH', jsv, attrs);
    jsv.asInteger := Z_FULL_FLUSH; obj_zlib.ptr.DefineProperty(cx, 'Z_FULL_FLUSH', jsv, attrs);
    jsv.asInteger := Z_FINISH; obj_zlib.ptr.DefineProperty(cx, 'Z_FINISH', jsv, attrs);
    jsv.asInteger := Z_BLOCK; obj_zlib.ptr.DefineProperty(cx, 'Z_BLOCK', jsv, attrs);

    // return/error codes
    jsv.asInteger := Z_OK; obj_zlib.ptr.DefineProperty(cx, 'Z_OK', jsv, attrs);
    jsv.asInteger := Z_STREAM_END; obj_zlib.ptr.DefineProperty(cx, 'Z_STREAM_END', jsv, attrs);
    jsv.asInteger := Z_NEED_DICT; obj_zlib.ptr.DefineProperty(cx, 'Z_NEED_DICT', jsv, attrs);
    jsv.asInteger := Z_ERRNO; obj_zlib.ptr.DefineProperty(cx, 'Z_ERRNO', jsv, attrs);
    jsv.asInteger := Z_STREAM_ERROR; obj_zlib.ptr.DefineProperty(cx, 'Z_STREAM_ERROR', jsv, attrs);
    jsv.asInteger := Z_DATA_ERROR; obj_zlib.ptr.DefineProperty(cx, 'Z_DATA_ERROR', jsv, attrs);
    jsv.asInteger := Z_MEM_ERROR; obj_zlib.ptr.DefineProperty(cx, 'Z_MEM_ERROR', jsv, attrs);
    jsv.asInteger := Z_BUF_ERROR; obj_zlib.ptr.DefineProperty(cx, 'Z_BUF_ERROR', jsv, attrs);
    jsv.asInteger := Z_VERSION_ERROR; obj_zlib.ptr.DefineProperty(cx, 'Z_VERSION_ERROR', jsv, attrs);

    jsv.asInteger := Z_NO_COMPRESSION; obj_zlib.ptr.DefineProperty(cx, 'Z_NO_COMPRESSION', jsv, attrs);
    jsv.asInteger := Z_BEST_SPEED; obj_zlib.ptr.DefineProperty(cx, 'Z_BEST_SPEED', jsv, attrs);
    jsv.asInteger := Z_BEST_COMPRESSION; obj_zlib.ptr.DefineProperty(cx, 'Z_BEST_COMPRESSION', jsv, attrs);
    jsv.asInteger := Z_DEFAULT_COMPRESSION; obj_zlib.ptr.DefineProperty(cx, 'Z_DEFAULT_COMPRESSION', jsv, attrs);
    jsv.asInteger := Z_FILTERED; obj_zlib.ptr.DefineProperty(cx, 'Z_FILTERED', jsv, attrs);
    jsv.asInteger := Z_HUFFMAN_ONLY; obj_zlib.ptr.DefineProperty(cx, 'Z_HUFFMAN_ONLY', jsv, attrs);
    jsv.asInteger := Z_RLE; obj_zlib.ptr.DefineProperty(cx, 'Z_RLE', jsv, attrs);
    jsv.asInteger := Z_FIXED; obj_zlib.ptr.DefineProperty(cx, 'Z_FIXED', jsv, attrs);
    jsv.asInteger := Z_DEFAULT_STRATEGY; obj_zlib.ptr.DefineProperty(cx, 'Z_DEFAULT_STRATEGY', jsv, attrs);
    jsv.asInteger := ZLIB_VERNUM; obj_zlib.ptr.DefineProperty(cx, 'ZLIB_VERNUM', jsv, attrs);

    // modes
    jsv.asInteger := ord(nzlmDEFLATE); obj_zlib.ptr.DefineProperty(cx, 'DEFLATE', jsv, attrs);
    jsv.asInteger := ord(nzlmINFLATE); obj_zlib.ptr.DefineProperty(cx, 'INFLATE', jsv, attrs);
    jsv.asInteger := ord(nzlmGZIP); obj_zlib.ptr.DefineProperty(cx, 'GZIP', jsv, attrs);
    jsv.asInteger := ord(nzlmGUNZIP); obj_zlib.ptr.DefineProperty(cx, 'GUNZIP', jsv, attrs);
    jsv.asInteger := ord(nzlmDEFLATERAW); obj_zlib.ptr.DefineProperty(cx, 'DEFLATERAW', jsv, attrs);
    jsv.asInteger := ord(nzlmINFLATERAW); obj_zlib.ptr.DefineProperty(cx, 'INFLATERAW', jsv, attrs);
    jsv.asInteger := ord(nzlmUNZIP); obj_zlib.ptr.DefineProperty(cx, 'UNZIP', jsv, attrs);

    // other consts (not used by SynZip yet)
    jsv.asInteger := Z_MIN_WINDOWBITS; obj_zlib.ptr.DefineProperty(cx, 'Z_MIN_WINDOWBITS', jsv, attrs);
    jsv.asInteger := Z_MAX_WINDOWBITS; obj_zlib.ptr.DefineProperty(cx, 'Z_MAX_WINDOWBITS', jsv, attrs);
    jsv.asInteger := Z_DEFAULT_WINDOWBITS; obj_zlib.ptr.DefineProperty(cx, 'Z_DEFAULT_WINDOWBITS', jsv, attrs);
    jsv.asInteger := Z_MIN_CHUNK; obj_zlib.ptr.DefineProperty(cx, 'Z_MIN_CHUNK', jsv, attrs);
    jsv.asInteger := Z_MAX_CHUNK; obj_zlib.ptr.DefineProperty(cx, 'Z_MAX_CHUNK', jsv, attrs);
    jsv.asInteger := Z_DEFAULT_CHUNK; obj_zlib.ptr.DefineProperty(cx, 'Z_DEFAULT_CHUNK', jsv, attrs);
    jsv.asInteger := Z_MIN_MEMLEVEL; obj_zlib.ptr.DefineProperty(cx, 'Z_MIN_MEMLEVEL', jsv, attrs);
    jsv.asInteger := Z_MAX_MEMLEVEL; obj_zlib.ptr.DefineProperty(cx, 'Z_MAX_MEMLEVEL', jsv, attrs);
    jsv.asInteger := Z_DEFAULT_MEMLEVEL; obj_zlib.ptr.DefineProperty(cx, 'Z_DEFAULT_MEMLEVEL', jsv, attrs);
    jsv.asInteger := Z_MIN_LEVEL; obj_zlib.ptr.DefineProperty(cx, 'Z_MIN_LEVEL', jsv, attrs);
    jsv.asInteger := Z_MAX_LEVEL; obj_zlib.ptr.DefineProperty(cx, 'Z_MAX_LEVEL', jsv, attrs);
    jsv.asInteger := Z_DEFAULT_LEVEL; obj_zlib.ptr.DefineProperty(cx, 'Z_DEFAULT_LEVEL', jsv, attrs);

    obj.ptr.DefineProperty(cx, 'zlib', obj_zlib.ptr.ToJSValue, attrs);
    Result := obj.ptr.ToJSValue;
  finally
    cx.FreeRootedObject(obj_zlib);
    cx.FreeRootedObject(obj_fs);
    cx.FreeRootedObject(obj);
  end;
end;

initialization
  TSMEngineManager.RegisterBinding('constants', SyNodeBindingProc_consts);

end.