diff options
Diffstat (limited to 'generic/tcl.h')
-rw-r--r-- | generic/tcl.h | 300 |
1 files changed, 299 insertions, 1 deletions
diff --git a/generic/tcl.h b/generic/tcl.h index 08ae9c3..6e3ab91 100644 --- a/generic/tcl.h +++ b/generic/tcl.h @@ -12,7 +12,7 @@ * See the file "license.terms" for information on usage and redistribution * of this file, and for a DISCLAIMER OF ALL WARRANTIES. * - * RCS: @(#) $Id: tcl.h,v 1.93 2001/07/17 02:01:23 mdejong Exp $ + * RCS: @(#) $Id: tcl.h,v 1.94 2001/07/31 19:12:06 vincentdarley Exp $ */ #ifndef _TCL @@ -1474,6 +1474,304 @@ typedef enum Tcl_PathType { TCL_PATH_VOLUME_RELATIVE } Tcl_PathType; +/* + * The following structure is used to pass glob type data amongst + * the various glob routines and Tcl_FSMatchInDirectory. + */ +typedef struct Tcl_GlobTypeData { + /* Corresponds to bcdpfls as in 'find -t' */ + int type; + /* Corresponds to file permissions */ + int perm; + /* Acceptable mac type */ + Tcl_Obj* macType; + /* Acceptable mac creator */ + Tcl_Obj* macCreator; +} Tcl_GlobTypeData; + +/* + * type and permission definitions for glob command + */ +#define TCL_GLOB_TYPE_BLOCK (1<<0) +#define TCL_GLOB_TYPE_CHAR (1<<1) +#define TCL_GLOB_TYPE_DIR (1<<2) +#define TCL_GLOB_TYPE_PIPE (1<<3) +#define TCL_GLOB_TYPE_FILE (1<<4) +#define TCL_GLOB_TYPE_LINK (1<<5) +#define TCL_GLOB_TYPE_SOCK (1<<6) + +#define TCL_GLOB_PERM_RONLY (1<<0) +#define TCL_GLOB_PERM_HIDDEN (1<<1) +#define TCL_GLOB_PERM_R (1<<2) +#define TCL_GLOB_PERM_W (1<<3) +#define TCL_GLOB_PERM_X (1<<4) + +/* + * Typedefs for the various filesystem operations: + */ + +typedef int (Tcl_FSStatProc) _ANSI_ARGS_((Tcl_Obj *pathPtr, struct stat *buf)); +typedef int (Tcl_FSAccessProc) _ANSI_ARGS_((Tcl_Obj *pathPtr, int mode)); +typedef Tcl_Channel (Tcl_FSOpenFileChannelProc) + _ANSI_ARGS_((Tcl_Interp *interp, Tcl_Obj *pathPtr, + char *modeString, int permissions)); +typedef int (Tcl_FSMatchInDirectoryProc) _ANSI_ARGS_((Tcl_Interp* interp, + Tcl_Obj *result, Tcl_Obj *pathPtr, char *pattern, + Tcl_GlobTypeData * types)); +typedef Tcl_Obj* (Tcl_FSGetCwdProc) _ANSI_ARGS_((Tcl_Interp *interp)); +typedef int (Tcl_FSChdirProc) _ANSI_ARGS_((Tcl_Obj *pathPtr)); +typedef int (Tcl_FSLstatProc) _ANSI_ARGS_((Tcl_Obj *pathPtr, + struct stat *buf)); +typedef int (Tcl_FSCreateDirectoryProc) _ANSI_ARGS_((Tcl_Obj *pathPtr)); +typedef int (Tcl_FSDeleteFileProc) _ANSI_ARGS_((Tcl_Obj *pathPtr)); +typedef int (Tcl_FSCopyDirectoryProc) _ANSI_ARGS_((Tcl_Obj *srcPathPtr, + Tcl_Obj *destPathPtr, Tcl_Obj **errorPtr)); +typedef int (Tcl_FSCopyFileProc) _ANSI_ARGS_((Tcl_Obj *srcPathPtr, + Tcl_Obj *destPathPtr)); +typedef int (Tcl_FSRemoveDirectoryProc) _ANSI_ARGS_((Tcl_Obj *pathPtr, + int recursive, Tcl_Obj **errorPtr)); +typedef int (Tcl_FSRenameFileProc) _ANSI_ARGS_((Tcl_Obj *srcPathPtr, + Tcl_Obj *destPathPtr)); +typedef void (Tcl_FSUnloadFileProc) _ANSI_ARGS_((ClientData clientData)); +typedef int (Tcl_FSListVolumesProc) _ANSI_ARGS_((Tcl_Interp *interp)); +/* We have to declare the utime structure here. */ +struct utimbuf; +typedef int (Tcl_FSUtimeProc) _ANSI_ARGS_((Tcl_Obj *pathPtr, + struct utimbuf *tval)); +typedef int (Tcl_FSNormalizePathProc) _ANSI_ARGS_((Tcl_Interp *interp, + Tcl_Obj *pathPtr, int nextCheckpoint)); +typedef int (Tcl_FSFileAttrsGetProc) _ANSI_ARGS_((Tcl_Interp *interp, + int index, Tcl_Obj *pathPtr, + Tcl_Obj **objPtrRef)); +typedef char** (Tcl_FSFileAttrStringsProc) _ANSI_ARGS_((Tcl_Obj *pathPtr, + Tcl_Obj** objPtrRef)); +typedef int (Tcl_FSFileAttrsSetProc) _ANSI_ARGS_((Tcl_Interp *interp, + int index, Tcl_Obj *pathPtr, + Tcl_Obj *objPtr)); +typedef Tcl_Obj* (Tcl_FSReadlinkProc) _ANSI_ARGS_((Tcl_Obj *pathPtr)); +typedef int (Tcl_FSLoadFileProc) _ANSI_ARGS_((Tcl_Interp * interp, + Tcl_Obj *pathPtr, char * sym1, char * sym2, + Tcl_PackageInitProc ** proc1Ptr, + Tcl_PackageInitProc ** proc2Ptr, + ClientData * clientDataPtr)); +typedef int (Tcl_FSPathInFilesystemProc) _ANSI_ARGS_((Tcl_Obj *pathPtr, + ClientData *clientDataPtr)); +typedef Tcl_Obj* (Tcl_FSFilesystemPathTypeProc) + _ANSI_ARGS_((Tcl_Obj *pathPtr)); +typedef Tcl_Obj* (Tcl_FSFilesystemSeparatorProc) + _ANSI_ARGS_((Tcl_Obj *pathPtr)); +typedef void (Tcl_FSFreeInternalRepProc) _ANSI_ARGS_((ClientData clientData)); +typedef ClientData (Tcl_FSDupInternalRepProc) + _ANSI_ARGS_((ClientData clientData)); +typedef Tcl_Obj* (Tcl_FSInternalToNormalizedProc) + _ANSI_ARGS_((ClientData clientData)); +typedef ClientData (Tcl_FSCreateInternalRepProc) _ANSI_ARGS_((Tcl_Obj *pathPtr)); + +typedef struct Tcl_FSVersion_ *Tcl_FSVersion; + +/* + *---------------------------------------------------------------- + * Data structures related to hooking into the filesystem + *---------------------------------------------------------------- + */ + +/* + * Filesystem version tag. This was introduced in 8.4. + */ + +#define TCL_FILESYSTEM_VERSION_1 ((Tcl_FSVersion) 0x1) + +/* + * struct Tcl_Filesystem: + * + * One such structure exists for each type (kind) of filesystem. + * It collects together in one place all the functions that are + * part of the specific filesystem. Tcl always accesses the + * filesystem through one of these structures. + * + * Not all entries need be non-NULL; any which are NULL are simply + * ignored. However, a complete filesystem should provide all of + * these functions. The explanations in the structure show + * the importance of each function. + */ + +typedef struct Tcl_Filesystem { + CONST char *typeName; /* The name of the filesystem. */ + int structureLength; /* Length of this structure, so future + * binary compatibility can be assured. */ + Tcl_FSVersion version; + /* Version of the filesystem type. */ + Tcl_FSPathInFilesystemProc *pathInFilesystemProc; + /* Function to check whether a path is in + * this filesystem. This is the most + * important filesystem procedure. */ + Tcl_FSDupInternalRepProc *dupInternalRepProc; + /* Function to duplicate internal fs rep. May + * be NULL (but then fs is less efficient). */ + Tcl_FSFreeInternalRepProc *freeInternalRepProc; + /* Function to free internal fs rep. Must + * be implemented, if internal representations + * need freeing, otherwise it can be NULL. */ + Tcl_FSInternalToNormalizedProc *internalToNormalizedProc; + /* Function to convert internal representation + * to a normalized path. Only required if + * the fs creates pure path objects with no + * string/path representation. */ + Tcl_FSCreateInternalRepProc *createInternalRepProc; + /* Function to create a filesystem-specific + * internal representation. May be NULL + * if paths have no internal representation, + * or if the Tcl_FSPathInFilesystemProc + * for this filesystem always immediately + * creates an internal representation for + * paths it accepts. */ + Tcl_FSNormalizePathProc *normalizePathProc; + /* Function to normalize a path. Should + * be implemented for all filesystems + * which can have multiple string + * representations for the same path + * object. */ + Tcl_FSFilesystemPathTypeProc *filesystemPathTypeProc; + /* Function to determine the type of a + * path in this filesystem. May be NULL. */ + Tcl_FSFilesystemSeparatorProc *filesystemSeparatorProc; + /* Function to return the separator + * character(s) for this filesystem. Must + * be implemented. */ + Tcl_FSStatProc *statProc; + /* + * Function to process a 'Tcl_FSStat()' + * call. Must be implemented for any + * reasonable filesystem. + */ + Tcl_FSAccessProc *accessProc; + /* + * Function to process a 'Tcl_FSAccess()' + * call. Must be implemented for any + * reasonable filesystem. + */ + Tcl_FSOpenFileChannelProc *openFileChannelProc; + /* + * Function to process a + * 'Tcl_FSOpenFileChannel()' call. Must be + * implemented for any reasonable + * filesystem. + */ + Tcl_FSMatchInDirectoryProc *matchInDirectoryProc; + /* Function to process a + * 'Tcl_FSMatchInDirectory()'. If not + * implemented, then glob and recursive + * copy functionality will be lacking in + * the filesystem. */ + Tcl_FSUtimeProc *utimeProc; + /* Function to process a + * 'Tcl_FSUtime()' call. Required to + * allow setting (not reading) of times + * with 'file mtime', 'file atime' and + * the open-r/open-w/fcopy implementation + * of 'file copy'. */ + Tcl_FSReadlinkProc *readlinkProc; + /* Function to process a + * 'Tcl_FSReadlink()' call. Should be + * implemented only if the filesystem supports + * links. */ + Tcl_FSListVolumesProc *listVolumesProc; + /* Function to list any filesystem volumes + * added by this filesystem. Should be + * implemented only if the filesystem adds + * volumes at the head of the filesystem. */ + Tcl_FSFileAttrStringsProc *fileAttrStringsProc; + /* Function to list all attributes strings + * which are valid for this filesystem. + * If not implemented the filesystem will + * not support the 'file attributes' command. + * This allows arbitrary additional information + * to be attached to files in the filesystem. */ + Tcl_FSFileAttrsGetProc *fileAttrsGetProc; + /* Function to process a + * 'Tcl_FSFileAttrsGet()' call, used by + * 'file attributes'. */ + Tcl_FSFileAttrsSetProc *fileAttrsSetProc; + /* Function to process a + * 'Tcl_FSFileAttrsSet()' call, used by + * 'file attributes'. */ + Tcl_FSCreateDirectoryProc *createDirectoryProc; + /* Function to process a + * 'Tcl_FSCreateDirectory()' call. Should + * be implemented unless the FS is + * read-only. */ + Tcl_FSRemoveDirectoryProc *removeDirectoryProc; + /* Function to process a + * 'Tcl_FSRemoveDirectory()' call. Should + * be implemented unless the FS is + * read-only. */ + Tcl_FSDeleteFileProc *deleteFileProc; + /* Function to process a + * 'Tcl_FSDeleteFile()' call. Should + * be implemented unless the FS is + * read-only. */ + Tcl_FSLstatProc *lstatProc; + /* Function to process a + * 'Tcl_FSLstat()' call. If not implemented, + * Tcl will attempt to use the 'statProc' + * defined above instead. */ + Tcl_FSCopyFileProc *copyFileProc; + /* Function to process a + * 'Tcl_FSCopyFile()' call. If not + * implemented Tcl will fall back + * on open-r, open-w and fcopy as + * a copying mechanism. */ + Tcl_FSRenameFileProc *renameFileProc; + /* Function to process a + * 'Tcl_FSRenameFile()' call. If not + * implemented, Tcl will fall back on + * a copy and delete mechanism. */ + Tcl_FSCopyDirectoryProc *copyDirectoryProc; + /* Function to process a + * 'Tcl_FSCopyDirectory()' call. If + * not implemented, Tcl will fall back + * on a recursive create-dir, file copy + * mechanism. */ + Tcl_FSLoadFileProc *loadFileProc; + /* Function to process a + * 'Tcl_FSLoadFile()' call. If not + * implemented, Tcl will fall back on + * a copy to native-temp followed by a + * Tcl_FSLoadFile on that temporary copy. */ + Tcl_FSUnloadFileProc *unloadFileProc; + /* Function to unload a previously + * successfully loaded file. If load was + * implemented, then this should also be + * implemented, if there is any cleanup + * action required. */ + Tcl_FSGetCwdProc *getCwdProc; + /* + * Function to process a 'Tcl_FSGetCwd()' + * call. Most filesystems need not + * implement this. It will usually only be + * called once, if 'getcwd' is called + * before 'chdir'. May be NULL. + */ + Tcl_FSChdirProc *chdirProc; + /* + * Function to process a 'Tcl_FSChdir()' + * call. If filesystems do not implement + * this, it will be emulated by a series of + * directory access checks. Otherwise, + * virtual filesystems which do implement + * it need only respond with a positive + * return result if the dirName is a valid + * directory in their filesystem. They + * need not remember the result, since that + * will be automatically remembered for use + * by GetCwd. Real filesystems should + * carry out the correct action (i.e. call + * the correct system 'chdir' api). If not + * implemented, then 'cd' and 'pwd' will + * fail inside the filesystem. + */ +} Tcl_Filesystem; + /* * The following structure represents the Notifier functions that * you can override with the Tcl_SetNotifier call. |