#include "tclPort.h"
#include "tclRegexp.h"
-/*
- * The following regular expression matches the root portion of a Windows
- * absolute or volume relative path. It will match both UNC and drive relative
- * paths.
+/*
+ * This define is used to activate Tcl's interpretation of Unix-style
+ * paths (containing forward slashes, '.' and '..') on MacOS. A
+ * side-effect of this is that some paths become ambiguous.
*/
+#define MAC_UNDERSTANDS_UNIX_PATHS
-#define WIN_ROOT_PATTERN "^(([a-zA-Z]:)|[/\\\\][/\\\\]+([^/\\\\]+)[/\\\\]+([^/\\\\]+)|([/\\\\]))([/\\\\])*"
-
+#ifdef MAC_UNDERSTANDS_UNIX_PATHS
/*
* The following regular expression matches the root portion of a Macintosh
* absolute path. It will match degenerate Unix-style paths, tilde paths,
- * Unix-style paths, and Mac paths.
+ * Unix-style paths, and Mac paths. The various subexpressions in this
+ * can be summarised as follows: ^(/..|~user/unix|~user:mac|/unix|mac:dir).
+ * The subexpression indices which match the root portions, are as follows:
+ *
+ * degenerate unix-style: 2
+ * unix-tilde: 5
+ * mac-tilde: 7
+ * unix-style: 9 (or 10 to cut off the irrelevant header).
+ * mac: 12
+ *
*/
#define MAC_ROOT_PATTERN "^((/+([.][.]?/+)*([.][.]?)?)|(~[^:/]*)(/[^:]*)?|(~[^:]*)(:.*)?|/+([.][.]?/+)*([^:/]+)(/[^:]*)?|([^:]+):.*)$"
static Tcl_ThreadDataKey dataKey;
+static void FileNameCleanup _ANSI_ARGS_((ClientData clientData));
+static void FileNameInit _ANSI_ARGS_((void));
+
+#endif
+
/*
* The following variable is set in the TclPlatformInit call to one
* of: TCL_PLATFORM_UNIX, TCL_PLATFORM_MAC, or TCL_PLATFORM_WINDOWS.
TclPlatformType tclPlatform = TCL_PLATFORM_UNIX;
/*
- * The "globParameters" argument of the globbing functions is an
- * or'ed combination of the following values:
- */
-
-#define GLOBMODE_NO_COMPLAIN 1
-#define GLOBMODE_JOIN 2
-#define GLOBMODE_DIR 4
-
-/*
* Prototypes for local procedures defined in this file:
*/
-static char * DoTildeSubst _ANSI_ARGS_((Tcl_Interp *interp,
+static CONST char * DoTildeSubst _ANSI_ARGS_((Tcl_Interp *interp,
CONST char *user, Tcl_DString *resultPtr));
static CONST char * ExtractWinRoot _ANSI_ARGS_((CONST char *path,
- Tcl_DString *resultPtr, int offset, Tcl_PathType *typePtr));
-static void FileNameCleanup _ANSI_ARGS_((ClientData clientData));
-static void FileNameInit _ANSI_ARGS_((void));
+ Tcl_DString *resultPtr, int offset,
+ Tcl_PathType *typePtr));
static int SkipToChar _ANSI_ARGS_((char **stringPtr,
char *match));
-static char * SplitMacPath _ANSI_ARGS_((CONST char *path,
- Tcl_DString *bufPtr));
-static char * SplitWinPath _ANSI_ARGS_((CONST char *path,
- Tcl_DString *bufPtr));
-static char * SplitUnixPath _ANSI_ARGS_((CONST char *path,
- Tcl_DString *bufPtr));
+static Tcl_Obj* SplitMacPath _ANSI_ARGS_((CONST char *path));
+static Tcl_Obj* SplitWinPath _ANSI_ARGS_((CONST char *path));
+static Tcl_Obj* SplitUnixPath _ANSI_ARGS_((CONST char *path));
+#ifdef MAC_UNDERSTANDS_UNIX_PATHS
\f
/*
*----------------------------------------------------------------------
Tcl_DecrRefCount(tsdPtr->macRootPatternPtr);
tsdPtr->initialized = 0;
}
+#endif
\f
/*
*----------------------------------------------------------------------
* stored. */
Tcl_PathType *typePtr; /* Where to store pathType result */
{
- FileNameInit();
-
-
if (path[0] == '/' || path[0] == '\\') {
/* Might be a UNC or Vol-Relative path */
- char *host, *share, *tail;
+ CONST char *host, *share, *tail;
int hlen, slen;
if (path[1] != '/' && path[1] != '\\') {
Tcl_DStringSetLength(resultPtr, offset);
*typePtr = TCL_PATH_VOLUME_RELATIVE;
Tcl_DStringAppend(resultPtr, "/", 1);
return &path[1];
- }
- host = (char *)&path[2];
+ }
+ host = &path[2];
- /* Skip seperators */
+ /* Skip separators */
while (host[0] == '/' || host[0] == '\\') host++;
for (hlen = 0; host[hlen];hlen++) {
break;
}
if (host[hlen] == 0 || host[hlen+1] == 0) {
+ /*
+ * The path given is simply of the form
+ * '/foo', '//foo', '/////foo' or the same
+ * with backslashes. If there is exactly
+ * one leading '/' the path is volume relative
+ * (see filename man page). If there are more
+ * than one, we are simply assuming they
+ * are superfluous and we trim them away.
+ * (An alternative interpretation would
+ * be that it is a host name, but we have
+ * been documented that that is not the case).
+ */
*typePtr = TCL_PATH_VOLUME_RELATIVE;
Tcl_DStringAppend(resultPtr, "/", 1);
return &path[2];
Tcl_DStringSetLength(resultPtr, offset);
share = &host[hlen];
- /* Skip seperators */
+ /* Skip separators */
while (share[0] == '/' || share[0] == '\\') share++;
for (slen = 0; share[slen];slen++) {
tail = &share[slen];
- /* Skip seperators */
+ /* Skip separators */
while (tail[0] == '/' || tail[0] == '\\') tail++;
*typePtr = TCL_PATH_ABSOLUTE;
return tail;
- } else if (path[1] == ':') {
+ } else if (*path && path[1] == ':') {
/* Might be a drive sep */
Tcl_DStringSetLength(resultPtr, offset);
*typePtr = TCL_PATH_VOLUME_RELATIVE;
Tcl_DStringAppend(resultPtr, path, 2);
return &path[2];
- } else {
+ } else {
char *tail = (char*)&path[3];
- /* Skip seperators */
- while (tail[0] == '/' || tail[0] == '\\') tail++;
+ /* Skip separators */
+ while (*tail && (tail[0] == '/' || tail[0] == '\\')) tail++;
*typePtr = TCL_PATH_ABSOLUTE;
Tcl_DStringAppend(resultPtr, path, 2);
- Tcl_DStringAppend(resultPtr, "/", 1);
+ Tcl_DStringAppend(resultPtr, "/", 1);
- return tail;
+ return tail;
}
} else {
*typePtr = TCL_PATH_RELATIVE;
*
* Determines whether a given path is relative to the current
* directory, relative to the current volume, or absolute.
+ *
+ * The objectified Tcl_FSGetPathType should be used in
+ * preference to this function (as you can see below, this
+ * is just a wrapper around that other function).
*
* Results:
* Returns one of TCL_PATH_ABSOLUTE, TCL_PATH_RELATIVE, or
Tcl_PathType
Tcl_GetPathType(path)
- char *path;
+ CONST char *path;
{
- ThreadSpecificData *tsdPtr;
- Tcl_PathType type = TCL_PATH_ABSOLUTE;
- Tcl_RegExp re;
-
- switch (tclPlatform) {
- case TCL_PLATFORM_UNIX:
- /*
- * Paths that begin with / or ~ are absolute.
- */
+ Tcl_PathType type;
+ Tcl_Obj *tempObj = Tcl_NewStringObj(path,-1);
+ Tcl_IncrRefCount(tempObj);
+ type = Tcl_FSGetPathType(tempObj);
+ Tcl_DecrRefCount(tempObj);
+ return type;
+}
+\f
+/*
+ *----------------------------------------------------------------------
+ *
+ * TclpGetNativePathType --
+ *
+ * Determines whether a given path is relative to the current
+ * directory, relative to the current volume, or absolute, but
+ * ONLY FOR THE NATIVE FILESYSTEM. This function is called from
+ * tclIOUtil.c (but needs to be here due to its dependence on
+ * static variables/functions in this file). The exported
+ * function Tcl_FSGetPathType should be used by extensions.
+ *
+ * Results:
+ * Returns one of TCL_PATH_ABSOLUTE, TCL_PATH_RELATIVE, or
+ * TCL_PATH_VOLUME_RELATIVE.
+ *
+ * Side effects:
+ * None.
+ *
+ *----------------------------------------------------------------------
+ */
- if ((path[0] != '/') && (path[0] != '~')) {
- type = TCL_PATH_RELATIVE;
+Tcl_PathType
+TclpGetNativePathType(pathObjPtr, driveNameLengthPtr, driveNameRef)
+ Tcl_Obj *pathObjPtr;
+ int *driveNameLengthPtr;
+ Tcl_Obj **driveNameRef;
+{
+ Tcl_PathType type = TCL_PATH_ABSOLUTE;
+ int pathLen;
+ char *path = Tcl_GetStringFromObj(pathObjPtr, &pathLen);
+
+ if (path[0] == '~') {
+ /*
+ * This case is common to all platforms.
+ * Paths that begin with ~ are absolute.
+ */
+ if (driveNameLengthPtr != NULL) {
+ char *end = path + 1;
+ while ((*end != '\0') && (*end != '/')) {
+ end++;
}
- break;
-
- case TCL_PLATFORM_MAC:
- if (path[0] == ':') {
- type = TCL_PATH_RELATIVE;
- } else if (path[0] != '~') {
- tsdPtr = TCL_TSD_INIT(&dataKey);
-
+ *driveNameLengthPtr = end - path;
+ }
+ } else {
+ switch (tclPlatform) {
+ case TCL_PLATFORM_UNIX: {
+ char *origPath = path;
+
/*
- * Since we have eliminated the easy cases, use the
- * root pattern to look for the other types.
+ * Paths that begin with / are absolute.
*/
- FileNameInit();
- re = Tcl_GetRegExpFromObj(NULL, tsdPtr->macRootPatternPtr,
- REG_ADVANCED);
-
- if (!Tcl_RegExpExec(NULL, re, path, path)) {
+#ifdef __QNX__
+ /*
+ * Check for QNX //<node id> prefix
+ */
+ if (*path && (pathLen > 3) && (path[0] == '/')
+ && (path[1] == '/') && isdigit(UCHAR(path[2]))) {
+ path += 3;
+ while (isdigit(UCHAR(*path))) {
+ ++path;
+ }
+ }
+#endif
+ if (path[0] == '/') {
+ if (driveNameLengthPtr != NULL) {
+ /*
+ * We need this addition in case the QNX code
+ * was used
+ */
+ *driveNameLengthPtr = (1 + path - origPath);
+ }
+ } else {
+ type = TCL_PATH_RELATIVE;
+ }
+ break;
+ }
+ case TCL_PLATFORM_MAC:
+ if (path[0] == ':') {
type = TCL_PATH_RELATIVE;
} else {
- char *unixRoot, *dummy;
+#ifdef MAC_UNDERSTANDS_UNIX_PATHS
+ ThreadSpecificData *tsdPtr;
+ Tcl_RegExp re;
+
+ tsdPtr = TCL_TSD_INIT(&dataKey);
+
+ /*
+ * Since we have eliminated the easy cases, use the
+ * root pattern to look for the other types.
+ */
- Tcl_RegExpRange(re, 2, &unixRoot, &dummy);
- if (unixRoot) {
+ FileNameInit();
+ re = Tcl_GetRegExpFromObj(NULL, tsdPtr->macRootPatternPtr,
+ REG_ADVANCED);
+
+ if (!Tcl_RegExpExec(NULL, re, path, path)) {
type = TCL_PATH_RELATIVE;
+ } else {
+ CONST char *root, *end;
+ Tcl_RegExpRange(re, 2, &root, &end);
+ if (root != NULL) {
+ type = TCL_PATH_RELATIVE;
+ } else {
+ if (driveNameLengthPtr != NULL) {
+ Tcl_RegExpRange(re, 0, &root, &end);
+ *driveNameLengthPtr = end - root;
+ }
+ if (driveNameRef != NULL) {
+ if (*root == '/') {
+ char *c;
+ int gotColon = 0;
+ *driveNameRef = Tcl_NewStringObj(root + 1,
+ end - root -1);
+ c = Tcl_GetString(*driveNameRef);
+ while (*c != '\0') {
+ if (*c == '/') {
+ gotColon++;
+ *c = ':';
+ }
+ c++;
+ }
+ /*
+ * If there is no colon, we have just a
+ * volume name so we must add a colon so
+ * it is an absolute path.
+ */
+ if (gotColon == 0) {
+ Tcl_AppendToObj(*driveNameRef, ":", 1);
+ } else if ((gotColon > 1) &&
+ (*(c-1) == ':')) {
+ /* We have an extra colon */
+ Tcl_SetObjLength(*driveNameRef,
+ c - Tcl_GetString(*driveNameRef) - 1);
+ }
+ }
+ }
+ }
+ }
+#else
+ if (path[0] == '~') {
+ } else if (path[0] == ':') {
+ type = TCL_PATH_RELATIVE;
+ } else {
+ char *colonPos = strchr(path,':');
+ if (colonPos == NULL) {
+ type = TCL_PATH_RELATIVE;
+ } else {
+ }
+ }
+ if (type == TCL_PATH_ABSOLUTE) {
+ if (driveNameLengthPtr != NULL) {
+ *driveNameLengthPtr = strlen(path);
+ }
}
+#endif
}
- }
- break;
-
- case TCL_PLATFORM_WINDOWS:
- if (path[0] != '~') {
+ break;
+
+ case TCL_PLATFORM_WINDOWS: {
Tcl_DString ds;
-
+ CONST char *rootEnd;
+
Tcl_DStringInit(&ds);
- (VOID)ExtractWinRoot(path, &ds, 0, &type);
+ rootEnd = ExtractWinRoot(path, &ds, 0, &type);
+ if ((rootEnd != path) && (driveNameLengthPtr != NULL)) {
+ *driveNameLengthPtr = rootEnd - path;
+ if (driveNameRef != NULL) {
+ *driveNameRef = Tcl_NewStringObj(Tcl_DStringValue(&ds),
+ Tcl_DStringLength(&ds));
+ Tcl_IncrRefCount(*driveNameRef);
+ }
+ }
Tcl_DStringFree(&ds);
+ break;
}
- break;
+ }
}
return type;
}
\f
/*
+ *---------------------------------------------------------------------------
+ *
+ * TclpNativeSplitPath --
+ *
+ * This function takes the given Tcl_Obj, which should be a valid
+ * path, and returns a Tcl List object containing each segment
+ * of that path as an element.
+ *
+ * Note this function currently calls the older Split(Plat)Path
+ * functions, which require more memory allocation than is
+ * desirable.
+ *
+ * Results:
+ * Returns list object with refCount of zero. If the passed in
+ * lenPtr is non-NULL, we use it to return the number of elements
+ * in the returned list.
+ *
+ * Side effects:
+ * None.
+ *
+ *---------------------------------------------------------------------------
+ */
+
+Tcl_Obj*
+TclpNativeSplitPath(pathPtr, lenPtr)
+ Tcl_Obj *pathPtr; /* Path to split. */
+ int *lenPtr; /* int to store number of path elements. */
+{
+ Tcl_Obj *resultPtr = NULL; /* Needed only to prevent gcc warnings. */
+
+ /*
+ * Perform platform specific splitting.
+ */
+
+ switch (tclPlatform) {
+ case TCL_PLATFORM_UNIX:
+ resultPtr = SplitUnixPath(Tcl_GetString(pathPtr));
+ break;
+
+ case TCL_PLATFORM_WINDOWS:
+ resultPtr = SplitWinPath(Tcl_GetString(pathPtr));
+ break;
+
+ case TCL_PLATFORM_MAC:
+ resultPtr = SplitMacPath(Tcl_GetString(pathPtr));
+ break;
+ }
+
+ /*
+ * Compute the number of elements in the result.
+ */
+
+ if (lenPtr != NULL) {
+ Tcl_ListObjLength(NULL, resultPtr, lenPtr);
+ }
+ return resultPtr;
+}
+\f
+/*
*----------------------------------------------------------------------
*
* Tcl_SplitPath --
CONST char *path; /* Pointer to string containing a path. */
int *argcPtr; /* Pointer to location to fill in with
* the number of elements in the path. */
- char ***argvPtr; /* Pointer to place to store pointer to array
+ CONST char ***argvPtr; /* Pointer to place to store pointer to array
* of pointers to path elements. */
{
- int i, size;
- char *p;
- Tcl_DString buffer;
-
- Tcl_DStringInit(&buffer);
+ Tcl_Obj *resultPtr = NULL; /* Needed only to prevent gcc warnings. */
+ Tcl_Obj *tmpPtr, *eltPtr;
+ int i, size, len;
+ char *p, *str;
/*
- * Perform platform specific splitting. These routines will leave the
- * result in the specified buffer. Individual elements are terminated
- * with a null character.
+ * Perform the splitting, using objectified, vfs-aware code.
*/
- p = NULL; /* Needed only to prevent gcc warnings. */
- switch (tclPlatform) {
- case TCL_PLATFORM_UNIX:
- p = SplitUnixPath(path, &buffer);
- break;
-
- case TCL_PLATFORM_WINDOWS:
- p = SplitWinPath(path, &buffer);
- break;
-
- case TCL_PLATFORM_MAC:
- p = SplitMacPath(path, &buffer);
- break;
- }
-
- /*
- * Compute the number of elements in the result.
- */
+ tmpPtr = Tcl_NewStringObj(path, -1);
+ Tcl_IncrRefCount(tmpPtr);
+ resultPtr = Tcl_FSSplitPath(tmpPtr, argcPtr);
+ Tcl_DecrRefCount(tmpPtr);
- size = Tcl_DStringLength(&buffer);
- *argcPtr = 0;
- for (i = 0; i < size; i++) {
- if (p[i] == '\0') {
- (*argcPtr)++;
- }
+ /* Calculate space required for the result */
+
+ size = 1;
+ for (i = 0; i < *argcPtr; i++) {
+ Tcl_ListObjIndex(NULL, resultPtr, i, &eltPtr);
+ Tcl_GetStringFromObj(eltPtr, &len);
+ size += len + 1;
}
/*
- * Allocate a buffer large enough to hold the contents of the
- * DString plus the argv pointers and the terminating NULL pointer.
+ * Allocate a buffer large enough to hold the contents of all of
+ * the list plus the argv pointers and the terminating NULL pointer.
*/
- *argvPtr = (char **) ckalloc((unsigned)
+ *argvPtr = (CONST char **) ckalloc((unsigned)
((((*argcPtr) + 1) * sizeof(char *)) + size));
/*
* Position p after the last argv pointer and copy the contents of
- * the DString.
+ * the list in, piece by piece.
*/
p = (char *) &(*argvPtr)[(*argcPtr) + 1];
- memcpy((VOID *) p, (VOID *) Tcl_DStringValue(&buffer), (size_t) size);
-
+ for (i = 0; i < *argcPtr; i++) {
+ Tcl_ListObjIndex(NULL, resultPtr, i, &eltPtr);
+ str = Tcl_GetStringFromObj(eltPtr, &len);
+ memcpy((VOID *) p, (VOID *) str, (size_t) len+1);
+ p += len+1;
+ }
+
/*
* Now set up the argv pointers.
*/
+ p = (char *) &(*argvPtr)[(*argcPtr) + 1];
+
for (i = 0; i < *argcPtr; i++) {
(*argvPtr)[i] = p;
while ((*p++) != '\0') {}
}
(*argvPtr)[i] = NULL;
- Tcl_DStringFree(&buffer);
+ /*
+ * Free the result ptr given to us by Tcl_FSSplitPath
+ */
+
+ Tcl_DecrRefCount(resultPtr);
}
\f
/*
*
* SplitUnixPath --
*
- * This routine is used by Tcl_SplitPath to handle splitting
+ * This routine is used by Tcl_(FS)SplitPath to handle splitting
* Unix paths.
*
* Results:
- * Stores a null separated array of strings in the specified
- * Tcl_DString.
+ * Returns a newly allocated Tcl list object.
*
* Side effects:
* None.
*----------------------------------------------------------------------
*/
-static char *
-SplitUnixPath(path, bufPtr)
+static Tcl_Obj*
+SplitUnixPath(path)
CONST char *path; /* Pointer to string containing a path. */
- Tcl_DString *bufPtr; /* Pointer to DString to use for the result. */
{
int length;
CONST char *p, *elementStart;
+ Tcl_Obj *result = Tcl_NewObj();
/*
* Deal with the root directory as a special case.
#endif
if (path[0] == '/') {
- Tcl_DStringAppend(bufPtr, "/", 2);
+ Tcl_ListObjAppendElement(NULL, result, Tcl_NewStringObj("/",1));
p = path+1;
} else {
p = path;
}
length = p - elementStart;
if (length > 0) {
+ Tcl_Obj *nextElt;
if ((elementStart[0] == '~') && (elementStart != path)) {
- Tcl_DStringAppend(bufPtr, "./", 2);
+ nextElt = Tcl_NewStringObj("./",2);
+ Tcl_AppendToObj(nextElt, elementStart, length);
+ } else {
+ nextElt = Tcl_NewStringObj(elementStart, length);
}
- Tcl_DStringAppend(bufPtr, elementStart, length);
- Tcl_DStringAppend(bufPtr, "", 1);
+ Tcl_ListObjAppendElement(NULL, result, nextElt);
}
if (*p++ == '\0') {
break;
}
}
- return Tcl_DStringValue(bufPtr);
+ return result;
}
+
\f
/*
*----------------------------------------------------------------------
*
* SplitWinPath --
*
- * This routine is used by Tcl_SplitPath to handle splitting
+ * This routine is used by Tcl_(FS)SplitPath to handle splitting
* Windows paths.
*
* Results:
- * Stores a null separated array of strings in the specified
- * Tcl_DString.
+ * Returns a newly allocated Tcl list object.
*
* Side effects:
* None.
*----------------------------------------------------------------------
*/
-static char *
-SplitWinPath(path, bufPtr)
+static Tcl_Obj*
+SplitWinPath(path)
CONST char *path; /* Pointer to string containing a path. */
- Tcl_DString *bufPtr; /* Pointer to DString to use for the result. */
{
int length;
CONST char *p, *elementStart;
Tcl_PathType type = TCL_PATH_ABSOLUTE;
-
- p = ExtractWinRoot(path, bufPtr, 0, &type);
+ Tcl_DString buf;
+ Tcl_Obj *result = Tcl_NewObj();
+ Tcl_DStringInit(&buf);
+
+ p = ExtractWinRoot(path, &buf, 0, &type);
/*
* Terminate the root portion, if we matched something.
*/
if (p != path) {
- Tcl_DStringAppend(bufPtr, "", 1);
+ Tcl_ListObjAppendElement(NULL, result,
+ Tcl_NewStringObj(Tcl_DStringValue(&buf),
+ Tcl_DStringLength(&buf)));
}
-
+ Tcl_DStringFree(&buf);
+
/*
* Split on slashes. Embedded elements that start with tilde will be
* prefixed with "./" so they are not affected by tilde substitution.
}
length = p - elementStart;
if (length > 0) {
+ Tcl_Obj *nextElt;
if ((elementStart[0] == '~') && (elementStart != path)) {
- Tcl_DStringAppend(bufPtr, "./", 2);
+ nextElt = Tcl_NewStringObj("./",2);
+ Tcl_AppendToObj(nextElt, elementStart, length);
+ } else {
+ nextElt = Tcl_NewStringObj(elementStart, length);
}
- Tcl_DStringAppend(bufPtr, elementStart, length);
- Tcl_DStringAppend(bufPtr, "", 1);
+ Tcl_ListObjAppendElement(NULL, result, nextElt);
}
} while (*p++ != '\0');
- return Tcl_DStringValue(bufPtr);
+ return result;
}
\f
/*
*
* SplitMacPath --
*
- * This routine is used by Tcl_SplitPath to handle splitting
+ * This routine is used by Tcl_(FS)SplitPath to handle splitting
* Macintosh paths.
*
* Results:
- * Returns a newly allocated argv array.
+ * Returns a newly allocated Tcl list object.
*
* Side effects:
* None.
*----------------------------------------------------------------------
*/
-static char *
-SplitMacPath(path, bufPtr)
+static Tcl_Obj*
+SplitMacPath(path)
CONST char *path; /* Pointer to string containing a path. */
- Tcl_DString *bufPtr; /* Pointer to DString to use for the result. */
{
int isMac = 0; /* 1 if is Mac-style, 0 if Unix-style path. */
- int i, length;
+ int length;
CONST char *p, *elementStart;
+ Tcl_Obj *result;
+#ifdef MAC_UNDERSTANDS_UNIX_PATHS
Tcl_RegExp re;
+ int i;
ThreadSpecificData *tsdPtr = TCL_TSD_INIT(&dataKey);
-
+#endif
+
+ result = Tcl_NewObj();
+
+#ifdef MAC_UNDERSTANDS_UNIX_PATHS
/*
* Initialize the path name parser for Macintosh path names.
*/
re = Tcl_GetRegExpFromObj(NULL, tsdPtr->macRootPatternPtr, REG_ADVANCED);
if (Tcl_RegExpExec(NULL, re, path, path) == 1) {
- char *start, *end;
+ CONST char *start, *end;
+ Tcl_Obj *nextElt;
/*
* Treat degenerate absolute paths like / and /../.. as
Tcl_RegExpRange(re, 2, &start, &end);
if (start) {
- Tcl_DStringAppend(bufPtr, ":", 1);
+ Tcl_Obj *elt = Tcl_NewStringObj(":", 1);
Tcl_RegExpRange(re, 0, &start, &end);
- Tcl_DStringAppend(bufPtr, path, end - start + 1);
- return Tcl_DStringValue(bufPtr);
+ Tcl_AppendToObj(elt, path, end - start);
+ Tcl_ListObjAppendElement(NULL, result, elt);
+ return result;
}
Tcl_RegExpRange(re, 5, &start, &end);
} else {
Tcl_RegExpRange(re, 10, &start, &end);
if (start) {
-
/*
* Normal Unix style paths.
*/
} else {
Tcl_RegExpRange(re, 12, &start, &end);
if (start) {
-
/*
* Normal Mac style paths.
*/
}
}
}
-
Tcl_RegExpRange(re, i, &start, &end);
length = end - start;
/*
- * Append the element and terminate it with a : and a null. Note that
- * we are forcing the DString to contain an extra null at the end.
+ * Append the element and terminate it with a :
*/
- Tcl_DStringAppend(bufPtr, start, length);
- Tcl_DStringAppend(bufPtr, ":", 2);
+ nextElt = Tcl_NewStringObj(start, length);
+ Tcl_AppendToObj(nextElt, ":", 1);
+ Tcl_ListObjAppendElement(NULL, result, nextElt);
p = end;
} else {
isMac = (strchr(path, ':') != NULL);
p = path;
}
+#else
+ if ((path[0] != ':') && (path[0] == '~' || (strchr(path,':') != NULL))) {
+ CONST char *end;
+ Tcl_Obj *nextElt;
+
+ isMac = 1;
+
+ end = strchr(path,':');
+ if (end == NULL) {
+ length = strlen(path);
+ } else {
+ length = end - path;
+ }
+
+ /*
+ * Append the element and terminate it with a :
+ */
+
+ nextElt = Tcl_NewStringObj(path, length);
+ Tcl_AppendToObj(nextElt, ":", 1);
+ Tcl_ListObjAppendElement(NULL, result, nextElt);
+ p = path + length;
+ } else {
+ isMac = (strchr(path, ':') != NULL);
+ isMac = 1;
+ p = path;
+ }
+#endif
if (isMac) {
/*
* p is pointing at the first colon in the path. There
* will always be one, since this is a Mac-style path.
+ * (This is no longer true if MAC_UNDERSTANDS_UNIX_PATHS
+ * is false, so we must check whether 'p' points to the
+ * end of the string.)
*/
-
- elementStart = p++;
+ elementStart = p;
+ if (*p == ':') {
+ p++;
+ }
+
while ((p = strchr(p, ':')) != NULL) {
length = p - elementStart;
if (length == 1) {
while (*p == ':') {
- Tcl_DStringAppend(bufPtr, "::", 3);
+ Tcl_ListObjAppendElement(NULL, result,
+ Tcl_NewStringObj("::", 2));
elementStart = p++;
}
} else {
elementStart++;
length--;
}
- Tcl_DStringAppend(bufPtr, elementStart, length);
- Tcl_DStringAppend(bufPtr, "", 1);
+ Tcl_ListObjAppendElement(NULL, result,
+ Tcl_NewStringObj(elementStart, length));
elementStart = p++;
}
}
- if (elementStart[1] != '\0' || elementStart == path) {
- if ((elementStart[1] != '~') && (elementStart[1] != '\0')
+ if (elementStart[0] != ':') {
+ if (elementStart[0] != '\0') {
+ Tcl_ListObjAppendElement(NULL, result,
+ Tcl_NewStringObj(elementStart, -1));
+ }
+ } else {
+ if (elementStart[1] != '\0' || elementStart == path) {
+ if ((elementStart[1] != '~') && (elementStart[1] != '\0')
&& (strchr(elementStart+1, '/') == NULL)) {
elementStart++;
+ }
+ Tcl_ListObjAppendElement(NULL, result,
+ Tcl_NewStringObj(elementStart, -1));
}
- Tcl_DStringAppend(bufPtr, elementStart, -1);
- Tcl_DStringAppend(bufPtr, "", 1);
}
} else {
length = p - elementStart;
if (length > 0) {
if ((length == 1) && (elementStart[0] == '.')) {
- Tcl_DStringAppend(bufPtr, ":", 2);
+ Tcl_ListObjAppendElement(NULL, result,
+ Tcl_NewStringObj(":", 1));
} else if ((length == 2) && (elementStart[0] == '.')
&& (elementStart[1] == '.')) {
- Tcl_DStringAppend(bufPtr, "::", 3);
+ Tcl_ListObjAppendElement(NULL, result,
+ Tcl_NewStringObj("::", 2));
} else {
+ Tcl_Obj *nextElt;
if (*elementStart == '~') {
- Tcl_DStringAppend(bufPtr, ":", 1);
+ nextElt = Tcl_NewStringObj(":",1);
+ Tcl_AppendToObj(nextElt, elementStart, length);
+ } else {
+ nextElt = Tcl_NewStringObj(elementStart, length);
}
- Tcl_DStringAppend(bufPtr, elementStart, length);
- Tcl_DStringAppend(bufPtr, "", 1);
+ Tcl_ListObjAppendElement(NULL, result, nextElt);
}
}
if (*p++ == '\0') {
}
}
}
- return Tcl_DStringValue(bufPtr);
+ return result;
}
\f
/*
- *----------------------------------------------------------------------
+ *---------------------------------------------------------------------------
*
- * Tcl_JoinPath --
+ * Tcl_FSJoinToPath --
*
- * Combine a list of paths in a platform specific manner.
+ * This function takes the given object, which should usually be a
+ * valid path or NULL, and joins onto it the array of paths
+ * segments given.
*
* Results:
- * Appends the joined path to the end of the specified
- * returning a pointer to the resulting string. Note that
- * the Tcl_DString must already be initialized.
+ * Returns object with refCount of zero
*
* Side effects:
- * Modifies the Tcl_DString.
+ * None.
*
- *----------------------------------------------------------------------
+ *---------------------------------------------------------------------------
*/
-char *
-Tcl_JoinPath(argc, argv, resultPtr)
- int argc;
- char **argv;
- Tcl_DString *resultPtr; /* Pointer to previously initialized DString. */
+Tcl_Obj*
+Tcl_FSJoinToPath(basePtr, objc, objv)
+ Tcl_Obj *basePtr;
+ int objc;
+ Tcl_Obj *CONST objv[];
{
- int oldLength, length, i, needsSep;
- Tcl_DString buffer;
- char c, *dest;
- CONST char *p;
- Tcl_PathType type = TCL_PATH_ABSOLUTE;
+ int i;
+ Tcl_Obj *lobj, *ret;
+
+ if (basePtr == NULL) {
+ lobj = Tcl_NewListObj(0, NULL);
+ } else {
+ lobj = Tcl_NewListObj(1, &basePtr);
+ }
+
+ for (i = 0; i<objc;i++) {
+ Tcl_ListObjAppendElement(NULL, lobj, objv[i]);
+ }
+ ret = Tcl_FSJoinPath(lobj, -1);
+ Tcl_DecrRefCount(lobj);
+ return ret;
+}
+\f
+/*
+ *---------------------------------------------------------------------------
+ *
+ * TclpNativeJoinPath --
+ *
+ * 'prefix' is absolute, 'joining' is relative to prefix.
+ *
+ * Results:
+ * modifies prefix
+ *
+ * Side effects:
+ * None.
+ *
+ *---------------------------------------------------------------------------
+ */
+
+void
+TclpNativeJoinPath(prefix, joining)
+ Tcl_Obj *prefix;
+ char* joining;
+{
+ int length, needsSep;
+ char *dest, *p, *start;
+
+ start = Tcl_GetStringFromObj(prefix, &length);
+
+ /*
+ * Remove the ./ from tilde prefixed elements unless
+ * it is the first component.
+ */
+
+ p = joining;
+
+ if (length != 0) {
+ if ((p[0] == '.') && (p[1] == '/') && (p[2] == '~')) {
+ p += 2;
+ }
+ }
+
+ if (*p == '\0') {
+ return;
+ }
- Tcl_DStringInit(&buffer);
- oldLength = Tcl_DStringLength(resultPtr);
switch (tclPlatform) {
- case TCL_PLATFORM_UNIX:
- for (i = 0; i < argc; i++) {
- p = argv[i];
- /*
- * If the path is absolute, reset the result buffer.
- * Consume any duplicate leading slashes or a ./ in
- * front of a tilde prefixed path that isn't at the
- * beginning of the path.
- */
+ case TCL_PLATFORM_UNIX:
+ /*
+ * Append a separator if needed.
+ */
-#ifdef __QNX__
- /*
- * Check for QNX //<node id> prefix
- */
- if (*p && (strlen(p) > 3) && (p[0] == '/') && (p[1] == '/')
- && isdigit(UCHAR(p[2]))) { /* INTL: digit */
- p += 3;
- while (isdigit(UCHAR(*p))) { /* INTL: digit */
- ++p;
- }
- }
-#endif
+ if (length > 0 && (start[length-1] != '/')) {
+ Tcl_AppendToObj(prefix, "/", 1);
+ length++;
+ }
+ needsSep = 0;
+
+ /*
+ * Append the element, eliminating duplicate and trailing
+ * slashes.
+ */
+
+ Tcl_SetObjLength(prefix, length + (int) strlen(p));
+
+ dest = Tcl_GetString(prefix) + length;
+ for (; *p != '\0'; p++) {
if (*p == '/') {
- Tcl_DStringSetLength(resultPtr, oldLength);
- Tcl_DStringAppend(resultPtr, "/", 1);
- while (*p == '/') {
+ while (p[1] == '/') {
p++;
}
- } else if (*p == '~') {
- Tcl_DStringSetLength(resultPtr, oldLength);
- } else if ((Tcl_DStringLength(resultPtr) != oldLength)
- && (p[0] == '.') && (p[1] == '/')
- && (p[2] == '~')) {
- p += 2;
- }
-
- if (*p == '\0') {
- continue;
+ if (p[1] != '\0') {
+ if (needsSep) {
+ *dest++ = '/';
+ }
+ }
+ } else {
+ *dest++ = *p;
+ needsSep = 1;
}
+ }
+ length = dest - Tcl_GetString(prefix);
+ Tcl_SetObjLength(prefix, length);
+ break;
- /*
- * Append a separator if needed.
- */
-
- length = Tcl_DStringLength(resultPtr);
- if ((length != oldLength)
- && (Tcl_DStringValue(resultPtr)[length-1] != '/')) {
- Tcl_DStringAppend(resultPtr, "/", 1);
- length++;
- }
+ case TCL_PLATFORM_WINDOWS:
+ /*
+ * Check to see if we need to append a separator.
+ */
- /*
- * Append the element, eliminating duplicate and trailing
- * slashes.
- */
+ if ((length > 0) &&
+ (start[length-1] != '/') && (start[length-1] != ':')) {
+ Tcl_AppendToObj(prefix, "/", 1);
+ length++;
+ }
+ needsSep = 0;
+
+ /*
+ * Append the element, eliminating duplicate and
+ * trailing slashes.
+ */
- Tcl_DStringSetLength(resultPtr, (int) (length + strlen(p)));
- dest = Tcl_DStringValue(resultPtr) + length;
- for (; *p != '\0'; p++) {
- if (*p == '/') {
- while (p[1] == '/') {
- p++;
- }
- if (p[1] != '\0') {
- *dest++ = '/';
- }
- } else {
- *dest++ = *p;
+ Tcl_SetObjLength(prefix, length + (int) strlen(p));
+ dest = Tcl_GetString(prefix) + length;
+ for (; *p != '\0'; p++) {
+ if ((*p == '/') || (*p == '\\')) {
+ while ((p[1] == '/') || (p[1] == '\\')) {
+ p++;
+ }
+ if ((p[1] != '\0') && needsSep) {
+ *dest++ = '/';
}
+ } else {
+ *dest++ = *p;
+ needsSep = 1;
}
- length = dest - Tcl_DStringValue(resultPtr);
- Tcl_DStringSetLength(resultPtr, length);
}
+ length = dest - Tcl_GetString(prefix);
+ Tcl_SetObjLength(prefix, length);
break;
- case TCL_PLATFORM_WINDOWS:
+ case TCL_PLATFORM_MAC: {
+ int newLength;
+
/*
- * Iterate over all of the components. If a component is
- * absolute, then reset the result and start building the
- * path from the current component on.
+ * Sort out separators. We basically add the object we've
+ * been given, but we have to make sure that there is
+ * exactly one separator inbetween (unless the object we're
+ * adding contains multiple contiguous colons, all of which
+ * we must add). Also if an object is just ':' we don't
+ * bother to add it unless it's the very first element.
*/
- for (i = 0; i < argc; i++) {
- p = ExtractWinRoot(argv[i], resultPtr, oldLength, &type);
- length = Tcl_DStringLength(resultPtr);
-
- /*
- * If the pointer didn't move, then this is a relative path
- * or a tilde prefixed path.
- */
-
- if (p == argv[i]) {
- /*
- * Remove the ./ from tilde prefixed elements unless
- * it is the first component.
- */
-
- if ((length != oldLength)
- && (p[0] == '.')
- && ((p[1] == '/') || (p[1] == '\\'))
- && (p[2] == '~')) {
- p += 2;
- } else if (*p == '~') {
- Tcl_DStringSetLength(resultPtr, oldLength);
- length = oldLength;
+#ifdef MAC_UNDERSTANDS_UNIX_PATHS
+ int adjustedPath = 0;
+ if ((strchr(p, ':') == NULL) && (strchr(p, '/') != NULL)) {
+ char *start = p;
+ adjustedPath = 1;
+ while (*start != '\0') {
+ if (*start == '/') {
+ *start = ':';
}
+ start++;
}
-
- if (*p != '\0') {
- /*
- * Check to see if we need to append a separator.
- */
-
-
- if (length != oldLength) {
- c = Tcl_DStringValue(resultPtr)[length-1];
- if ((c != '/') && (c != ':')) {
- Tcl_DStringAppend(resultPtr, "/", 1);
- }
- }
-
- /*
- * Append the element, eliminating duplicate and
- * trailing slashes.
- */
-
- length = Tcl_DStringLength(resultPtr);
- Tcl_DStringSetLength(resultPtr, (int) (length + strlen(p)));
- dest = Tcl_DStringValue(resultPtr) + length;
- for (; *p != '\0'; p++) {
- if ((*p == '/') || (*p == '\\')) {
- while ((p[1] == '/') || (p[1] == '\\')) {
- p++;
- }
- if (p[1] != '\0') {
- *dest++ = '/';
- }
- } else {
- *dest++ = *p;
- }
+ }
+#endif
+ if (length > 0) {
+ if ((p[0] == ':') && (p[1] == '\0')) {
+ return;
+ }
+ if (start[length-1] != ':') {
+ if (*p != '\0' && *p != ':') {
+ Tcl_AppendToObj(prefix, ":", 1);
+ length++;
}
- length = dest - Tcl_DStringValue(resultPtr);
- Tcl_DStringSetLength(resultPtr, length);
+ } else if (*p == ':') {
+ p++;
+ }
+ } else {
+ if (*p != '\0' && *p != ':') {
+ Tcl_AppendToObj(prefix, ":", 1);
+ length++;
}
}
- break;
+
+ /*
+ * Append the element
+ */
- case TCL_PLATFORM_MAC:
- needsSep = 1;
- for (i = 0; i < argc; i++) {
- Tcl_DStringSetLength(&buffer, 0);
- p = SplitMacPath(argv[i], &buffer);
- if ((*p != ':') && (*p != '\0')
- && (strchr(p, ':') != NULL)) {
- Tcl_DStringSetLength(resultPtr, oldLength);
- length = strlen(p);
- Tcl_DStringAppend(resultPtr, p, length);
- needsSep = 0;
- p += length+1;
+ newLength = strlen(p);
+ /*
+ * It may not be good to just do 'Tcl_AppendToObj(prefix,
+ * p, newLength)' because the object may contain duplicate
+ * colons which we want to get rid of.
+ */
+ Tcl_AppendToObj(prefix, p, newLength);
+
+ /* Remove spurious trailing single ':' */
+ dest = Tcl_GetString(prefix) + length + newLength;
+ if (*(dest-1) == ':') {
+ if (dest-1 > Tcl_GetString(prefix)) {
+ if (*(dest-2) != ':') {
+ Tcl_SetObjLength(prefix, length + newLength -1);
+ }
}
-
- /*
- * Now append the rest of the path elements, skipping
- * : unless it is the first element of the path, and
- * watching out for :: et al. so we don't end up with
- * too many colons in the result.
- */
-
- for (; *p != '\0'; p += length+1) {
- if (p[0] == ':' && p[1] == '\0') {
- if (Tcl_DStringLength(resultPtr) != oldLength) {
- p++;
- } else {
- needsSep = 0;
- }
- } else {
- c = p[1];
- if (*p == ':') {
- if (!needsSep) {
- p++;
- }
- } else {
- if (needsSep) {
- Tcl_DStringAppend(resultPtr, ":", 1);
- }
- }
- needsSep = (c == ':') ? 0 : 1;
+ }
+#ifdef MAC_UNDERSTANDS_UNIX_PATHS
+ /* Revert the path to what it was */
+ if (adjustedPath) {
+ char *start = joining;
+ while (*start != '\0') {
+ if (*start == ':') {
+ *start = '/';
}
- length = strlen(p);
- Tcl_DStringAppend(resultPtr, p, length);
+ start++;
}
}
+#endif
break;
-
+ }
}
- Tcl_DStringFree(&buffer);
+ return;
+}
+\f
+/*
+ *----------------------------------------------------------------------
+ *
+ * Tcl_JoinPath --
+ *
+ * Combine a list of paths in a platform specific manner. The
+ * function 'Tcl_FSJoinPath' should be used in preference where
+ * possible.
+ *
+ * Results:
+ * Appends the joined path to the end of the specified
+ * Tcl_DString returning a pointer to the resulting string. Note
+ * that the Tcl_DString must already be initialized.
+ *
+ * Side effects:
+ * Modifies the Tcl_DString.
+ *
+ *----------------------------------------------------------------------
+ */
+
+char *
+Tcl_JoinPath(argc, argv, resultPtr)
+ int argc;
+ CONST char * CONST *argv;
+ Tcl_DString *resultPtr; /* Pointer to previously initialized DString */
+{
+ int i, len;
+ Tcl_Obj *listObj = Tcl_NewObj();
+ Tcl_Obj *resultObj;
+ char *resultStr;
+
+ /* Build the list of paths */
+ for (i = 0; i < argc; i++) {
+ Tcl_ListObjAppendElement(NULL, listObj,
+ Tcl_NewStringObj(argv[i], -1));
+ }
+
+ /* Ask the objectified code to join the paths */
+ Tcl_IncrRefCount(listObj);
+ resultObj = Tcl_FSJoinPath(listObj, argc);
+ Tcl_IncrRefCount(resultObj);
+ Tcl_DecrRefCount(listObj);
+
+ /* Store the result */
+ resultStr = Tcl_GetStringFromObj(resultObj, &len);
+ Tcl_DStringAppend(resultPtr, resultStr, len);
+ Tcl_DecrRefCount(resultObj);
+
+ /* Return a pointer to the result */
return Tcl_DStringValue(resultPtr);
}
\f
Tcl_TranslateFileName(interp, name, bufferPtr)
Tcl_Interp *interp; /* Interpreter in which to store error
* message (if necessary). */
- char *name; /* File name, which may begin with "~" (to
+ CONST char *name; /* File name, which may begin with "~" (to
* indicate current user's home directory) or
* "~<user>" (to indicate any user's home
* directory). */
Tcl_DString *bufferPtr; /* Uninitialized or free DString filled
* with name after tilde substitution. */
{
- register char *p;
+ Tcl_Obj *path = Tcl_NewStringObj(name, -1);
+ CONST char *result;
+
+ Tcl_IncrRefCount(path);
+ result = Tcl_FSGetTranslatedStringPath(interp, path);
+ if (result == NULL) {
+ Tcl_DecrRefCount(path);
+ return NULL;
+ }
+ Tcl_DStringInit(bufferPtr);
+ Tcl_DStringAppend(bufferPtr, result, -1);
+ Tcl_DecrRefCount(path);
/*
- * Handle tilde substitutions, if needed.
+ * Convert forward slashes to backslashes in Windows paths because
+ * some system interfaces don't accept forward slashes.
*/
- if (name[0] == '~') {
- int argc, length;
- char **argv;
- Tcl_DString temp;
+ if (tclPlatform == TCL_PLATFORM_WINDOWS) {
+#if defined(__CYGWIN__) && defined(__WIN32__)
+
+ extern int cygwin_conv_to_win32_path
+ _ANSI_ARGS_((CONST char *, char *));
+ char winbuf[MAX_PATH];
- Tcl_SplitPath(name, &argc, (char ***) &argv);
-
/*
- * Strip the trailing ':' off of a Mac path before passing the user
- * name to DoTildeSubst.
+ * In the Cygwin world, call conv_to_win32_path in order to use the
+ * mount table to translate the file name into something Windows will
+ * understand. Take care when converting empty strings!
*/
-
- if (tclPlatform == TCL_PLATFORM_MAC) {
- length = strlen(argv[0]);
- argv[0][length-1] = '\0';
- }
-
- Tcl_DStringInit(&temp);
- argv[0] = DoTildeSubst(interp, argv[0]+1, &temp);
- if (argv[0] == NULL) {
- Tcl_DStringFree(&temp);
- ckfree((char *)argv);
- return NULL;
+ if (Tcl_DStringLength(bufferPtr)) {
+ cygwin_conv_to_win32_path(Tcl_DStringValue(bufferPtr), winbuf);
+ Tcl_DStringFree(bufferPtr);
+ Tcl_DStringAppend(bufferPtr, winbuf, -1);
}
- Tcl_DStringInit(bufferPtr);
- Tcl_JoinPath(argc, (char **) argv, bufferPtr);
- Tcl_DStringFree(&temp);
- ckfree((char*)argv);
- } else {
- Tcl_DStringInit(bufferPtr);
- Tcl_JoinPath(1, (char **) &name, bufferPtr);
- }
-
- /*
- * Convert forward slashes to backslashes in Windows paths because
- * some system interfaces don't accept forward slashes.
- */
+#else /* __CYGWIN__ && __WIN32__ */
-#ifndef __CYGWIN__
- if (tclPlatform == TCL_PLATFORM_WINDOWS) {
+ register char *p;
for (p = Tcl_DStringValue(bufferPtr); *p != '\0'; p++) {
if (*p == '/') {
*p = '\\';
}
}
+#endif /* __CYGWIN__ && __WIN32__ */
}
-#endif
return Tcl_DStringValue(bufferPtr);
}
\f
break;
case TCL_PLATFORM_MAC:
+#ifdef MAC_UNDERSTANDS_UNIX_PATHS
if (strchr(name, ':') == NULL) {
lastSep = strrchr(name, '/');
} else {
lastSep = strrchr(name, ':');
}
+#else
+ lastSep = strrchr(name, ':');
+#endif
break;
case TCL_PLATFORM_WINDOWS:
break;
}
p = strrchr(name, '.');
- if ((p != NULL) && (lastSep != NULL)
- && (lastSep > p)) {
+ if ((p != NULL) && (lastSep != NULL) && (lastSep > p)) {
p = NULL;
}
*----------------------------------------------------------------------
*/
-static char *
+static CONST char *
DoTildeSubst(interp, user, resultPtr)
Tcl_Interp *interp; /* Interpreter in which to store error
* message (if necessary). */
Tcl_DString *resultPtr; /* Initialized DString filled with name
* after tilde substitution. */
{
- char *dir;
+ CONST char *dir;
if (*user == '\0') {
Tcl_DString dirString;
return NULL;
}
}
- return resultPtr->string;
+ return Tcl_DStringValue(resultPtr);
}
\f
/*
int objc; /* Number of arguments. */
Tcl_Obj *CONST objv[]; /* Argument objects. */
{
- int index, i, globFlags, pathlength, length, join, dir, result;
- char *string, *pathOrDir, *separators;
+ int index, i, globFlags, length, join, dir, result;
+ char *string, *separators;
Tcl_Obj *typePtr, *resultPtr, *look;
- Tcl_DString prefix, directory;
- static char *options[] = {
- "-directory", "-join", "-nocomplain", "-path", "-types", "--", NULL
+ Tcl_Obj *pathOrDir = NULL;
+ Tcl_DString prefix;
+ static CONST char *options[] = {
+ "-directory", "-join", "-nocomplain", "-path", "-tails",
+ "-types", "--", NULL
};
enum options {
- GLOB_DIR, GLOB_JOIN, GLOB_NOCOMPLAIN, GLOB_PATH, GLOB_TYPE, GLOB_LAST
+ GLOB_DIR, GLOB_JOIN, GLOB_NOCOMPLAIN, GLOB_PATH, GLOB_TAILS,
+ GLOB_TYPE, GLOB_LAST
};
enum pathDirOptions {PATH_NONE = -1 , PATH_GENERAL = 0, PATH_DIR = 1};
- GlobTypeData *globTypes = NULL;
+ Tcl_GlobTypeData *globTypes = NULL;
globFlags = 0;
join = 0;
dir = PATH_NONE;
- pathOrDir = NULL;
typePtr = NULL;
resultPtr = Tcl_GetObjResult(interp);
for (i = 1; i < objc; i++) {
}
switch (index) {
case GLOB_NOCOMPLAIN: /* -nocomplain */
- globFlags |= GLOBMODE_NO_COMPLAIN;
+ globFlags |= TCL_GLOBMODE_NO_COMPLAIN;
break;
case GLOB_DIR: /* -dir */
if (i == (objc-1)) {
"missing argument to \"-directory\"", -1);
return TCL_ERROR;
}
- if (dir != -1) {
+ if (dir != PATH_NONE) {
Tcl_AppendToObj(resultPtr,
"\"-directory\" cannot be used with \"-path\"",
-1);
return TCL_ERROR;
}
dir = PATH_DIR;
- globFlags |= GLOBMODE_DIR;
- pathOrDir = Tcl_GetStringFromObj(objv[i+1], &pathlength);
+ globFlags |= TCL_GLOBMODE_DIR;
+ pathOrDir = objv[i+1];
i++;
break;
case GLOB_JOIN: /* -join */
join = 1;
break;
+ case GLOB_TAILS: /* -tails */
+ globFlags |= TCL_GLOBMODE_TAILS;
+ break;
case GLOB_PATH: /* -path */
if (i == (objc-1)) {
Tcl_AppendToObj(resultPtr,
"missing argument to \"-path\"", -1);
return TCL_ERROR;
}
- if (dir != -1) {
+ if (dir != PATH_NONE) {
Tcl_AppendToObj(resultPtr,
"\"-path\" cannot be used with \"-directory\"",
-1);
return TCL_ERROR;
}
dir = PATH_GENERAL;
- pathOrDir = Tcl_GetStringFromObj(objv[i+1], &pathlength);
+ pathOrDir = objv[i+1];
i++;
break;
case GLOB_TYPE: /* -types */
Tcl_WrongNumArgs(interp, 1, objv, "?switches? name ?name ...?");
return TCL_ERROR;
}
-
+ if ((globFlags & TCL_GLOBMODE_TAILS) && (pathOrDir == NULL)) {
+ Tcl_AppendToObj(resultPtr,
+ "\"-tails\" must be used with either \"-directory\" or \"-path\"",
+ -1);
+ return TCL_ERROR;
+ }
+
separators = NULL; /* lint. */
switch (tclPlatform) {
case TCL_PLATFORM_UNIX:
break;
}
if (dir == PATH_GENERAL) {
+ int pathlength;
char *last;
+ char *first = Tcl_GetStringFromObj(pathOrDir,&pathlength);
/*
* Find the last path separator in the path
*/
- last = pathOrDir + pathlength;
- for (; last != pathOrDir; last--) {
+ last = first + pathlength;
+ for (; last != first; last--) {
if (strchr(separators, *(last-1)) != NULL) {
break;
}
}
- if (last == pathOrDir + pathlength) {
+ if (last == first + pathlength) {
/* It's really a directory */
- dir = 1;
+ dir = PATH_DIR;
} else {
Tcl_DString pref;
char *search, *find;
Tcl_DStringInit(&pref);
- Tcl_DStringInit(&directory);
- if (last == pathOrDir) {
+ if (last == first) {
/* The whole thing is a prefix */
- Tcl_DStringAppend(&pref, pathOrDir, -1);
+ Tcl_DStringAppend(&pref, first, -1);
pathOrDir = NULL;
} else {
/* Have to split off the end */
- Tcl_DStringAppend(&pref, last, pathOrDir+pathlength-last);
- Tcl_DStringAppend(&directory, pathOrDir, last-pathOrDir-1);
- pathOrDir = Tcl_DStringValue(&directory);
+ Tcl_DStringAppend(&pref, last, first+pathlength-last);
+ pathOrDir = Tcl_NewStringObj(first, last-first-1);
}
/* Need to quote 'prefix' */
Tcl_DStringInit(&prefix);
Tcl_DStringFree(&pref);
}
}
-
+
+ if (pathOrDir != NULL) {
+ Tcl_IncrRefCount(pathOrDir);
+ }
+
if (typePtr != NULL) {
/*
* The rest of the possible type arguments (except 'd') are
* on an incompatible platform.
*/
Tcl_ListObjLength(interp, typePtr, &length);
- globTypes = (GlobTypeData*) ckalloc(sizeof(GlobTypeData));
+ globTypes = (Tcl_GlobTypeData*) ckalloc(sizeof(Tcl_GlobTypeData));
globTypes->type = 0;
globTypes->perm = 0;
globTypes->macType = NULL;
}
}
/*
- * Error cases
+ * Error cases. We re-get the interpreter's result,
+ * just to be sure it hasn't changed, and we reset
+ * the 'join' flag to zero, since we haven't yet
+ * made use of it.
*/
badTypesArg:
+ resultPtr = Tcl_GetObjResult(interp);
Tcl_AppendToObj(resultPtr, "bad argument to \"-types\": ", -1);
Tcl_AppendObjToObj(resultPtr, look);
result = TCL_ERROR;
+ join = 0;
goto endOfGlob;
badMacTypesArg:
+ resultPtr = Tcl_GetObjResult(interp);
Tcl_AppendToObj(resultPtr,
- "only one MacOS type or creator argument to \"-types\" allowed", -1);
+ "only one MacOS type or creator argument"
+ " to \"-types\" allowed", -1);
result = TCL_ERROR;
+ join = 0;
goto endOfGlob;
}
}
}
}
}
- if ((globFlags & GLOBMODE_NO_COMPLAIN) == 0) {
+ if ((globFlags & TCL_GLOBMODE_NO_COMPLAIN) == 0) {
if (Tcl_ListObjLength(interp, Tcl_GetObjResult(interp),
&length) != TCL_OK) {
/* This should never happen. Maybe we should be more dramatic */
endOfGlob:
if (join || (dir == PATH_GENERAL)) {
Tcl_DStringFree(&prefix);
- if (dir == PATH_GENERAL) {
- Tcl_DStringFree(&directory);
- }
+ }
+ if (pathOrDir != NULL) {
+ Tcl_DecrRefCount(pathOrDir);
}
if (globTypes != NULL) {
if (globTypes->macType != NULL) {
* This procedure prepares arguments for the TclDoGlob call.
* It sets the separator string based on the platform, performs
* tilde substitution, and calls TclDoGlob.
+ *
+ * The interpreter's result, on entry to this function, must
+ * be a valid Tcl list (e.g. it could be empty), since we will
+ * lappend any new results to that list. If it is not a valid
+ * list, this function will fail to do anything very meaningful.
*
* Results:
* The return value is a standard Tcl result indicating whether
* an error occurred in globbing. After a normal return the
* result in interp (set by TclDoGlob) holds all of the file names
- * given by the dir and rem arguments. After an error the
- * result in interp will hold an error message.
+ * given by the pattern and unquotedPrefix arguments. After an
+ * error the result in interp will hold an error message, unless
+ * the 'TCL_GLOBMODE_NO_COMPLAIN' flag was given, in which case
+ * an error results in a TCL_OK return leaving the interpreter's
+ * result unmodified.
*
* Side effects:
- * The currentArgString is written to.
+ * The 'pattern' is written to.
*
*----------------------------------------------------------------------
*/
* or appending list of matching file names. */
char *pattern; /* Glob pattern to match. Must not refer
* to a static string. */
- char *unquotedPrefix; /* Prefix to glob pattern, if non-null, which
- * is considered literally. May be static. */
+ Tcl_Obj *unquotedPrefix; /* Prefix to glob pattern, if non-null, which
+ * is considered literally. */
int globFlags; /* Stores or'ed combination of flags */
- GlobTypeData *types; /* Struct containing acceptable types.
+ Tcl_GlobTypeData *types; /* Struct containing acceptable types.
* May be NULL. */
{
char *separators;
- char *head, *tail, *start;
+ CONST char *head;
+ char *tail, *start;
char c;
- int result;
+ int result, prefixLen;
Tcl_DString buffer;
+ Tcl_Obj *oldResult;
separators = NULL; /* lint. */
switch (tclPlatform) {
separators = "/\\:";
break;
case TCL_PLATFORM_MAC:
+#ifdef MAC_UNDERSTANDS_UNIX_PATHS
if (unquotedPrefix == NULL) {
separators = (strchr(pattern, ':') == NULL) ? "/" : ":";
} else {
separators = ":";
}
+#else
+ separators = ":";
+#endif
break;
}
Tcl_DStringInit(&buffer);
if (unquotedPrefix != NULL) {
- start = unquotedPrefix;
+ start = Tcl_GetString(unquotedPrefix);
} else {
start = pattern;
}
}
/*
- * Determine the home directory for the specified user. Note that
- * we don't allow special characters in the user name.
+ * Determine the home directory for the specified user.
*/
c = *tail;
*tail = '\0';
- /*
- * I don't think we need to worry about special characters in
- * the user name anymore (Vince Darley, June 1999), since the
- * new code is designed to handle special chars.
- */
-#ifndef NOT_NEEDED_ANYMORE
- head = DoTildeSubst(interp, start+1, &buffer);
-#else
-
- if (strpbrk(start+1, "\\[]*?{}") == NULL) {
- head = DoTildeSubst(interp, start+1, &buffer);
+ if (globFlags & TCL_GLOBMODE_NO_COMPLAIN) {
+ /*
+ * We will ignore any error message here, and we
+ * don't want to mess up the interpreter's result.
+ */
+ head = DoTildeSubst(NULL, start+1, &buffer);
} else {
- if (!(globFlags & GLOBMODE_NO_COMPLAIN)) {
- Tcl_ResetResult(interp);
- Tcl_AppendResult(interp, "globbing characters not ",
- "supported in user names", (char *) NULL);
- }
- head = NULL;
+ head = DoTildeSubst(interp, start+1, &buffer);
}
-#endif
*tail = c;
if (head == NULL) {
- if (globFlags & GLOBMODE_NO_COMPLAIN) {
- /*
- * We should in fact pass down the nocomplain flag
- * or save the interp result or use another mechanism
- * so the interp result is not mangled on errors in that case.
- * but that would a bigger change than reasonable for a patch
- * release.
- * (see fileName.test 15.2-15.4 for expected behaviour)
- */
- Tcl_ResetResult(interp);
+ if (globFlags & TCL_GLOBMODE_NO_COMPLAIN) {
return TCL_OK;
} else {
return TCL_ERROR;
} else {
tail = pattern;
if (unquotedPrefix != NULL) {
- Tcl_DStringAppend(&buffer,unquotedPrefix,-1);
+ Tcl_DStringAppend(&buffer,Tcl_GetString(unquotedPrefix),-1);
}
}
+
/*
- * If the prefix is a directory, make sure it ends in a directory
- * separator.
+ * We want to remember the length of the current prefix,
+ * in case we are using TCL_GLOBMODE_TAILS. Also if we
+ * are using TCL_GLOBMODE_DIR, we must make sure the
+ * prefix ends in a directory separator.
*/
- if (unquotedPrefix != NULL) {
- if (globFlags & GLOBMODE_DIR) {
- c = Tcl_DStringValue(&buffer)[Tcl_DStringLength(&buffer)-1];
- if (strchr(separators, c) == NULL) {
+ prefixLen = Tcl_DStringLength(&buffer);
+
+ if (prefixLen > 0) {
+ c = Tcl_DStringValue(&buffer)[prefixLen-1];
+ if (strchr(separators, c) == NULL) {
+ /*
+ * If the prefix is a directory, make sure it ends in a
+ * directory separator.
+ */
+ if (globFlags & TCL_GLOBMODE_DIR) {
Tcl_DStringAppend(&buffer,separators,1);
}
+ prefixLen++;
}
}
+ /*
+ * We need to get the old result, in case it is over-written
+ * below when we still need it.
+ */
+ oldResult = Tcl_GetObjResult(interp);
+ Tcl_IncrRefCount(oldResult);
+ Tcl_ResetResult(interp);
+
result = TclDoGlob(interp, separators, &buffer, tail, types);
- Tcl_DStringFree(&buffer);
+
if (result != TCL_OK) {
- if (globFlags & GLOBMODE_NO_COMPLAIN) {
- Tcl_ResetResult(interp);
- return TCL_OK;
+ if (globFlags & TCL_GLOBMODE_NO_COMPLAIN) {
+ /* Put back the old result and reset the return code */
+ Tcl_SetObjResult(interp, oldResult);
+ result = TCL_OK;
+ }
+ } else {
+ /*
+ * Now we must concatenate the 'oldResult' and the current
+ * result, and then place that into the interpreter.
+ *
+ * If we only want the tails, we must strip off the prefix now.
+ * It may seem more efficient to pass the tails flag down into
+ * TclDoGlob, Tcl_FSMatchInDirectory, but those functions are
+ * continually adjusting the prefix as the various pieces of
+ * the pattern are assimilated, so that would add a lot of
+ * complexity to the code. This way is a little slower (when
+ * the -tails flag is given), but much simpler to code.
+ */
+ int objc, i;
+ Tcl_Obj **objv;
+
+ /* Ensure sole ownership */
+ if (Tcl_IsShared(oldResult)) {
+ Tcl_DecrRefCount(oldResult);
+ oldResult = Tcl_DuplicateObj(oldResult);
+ Tcl_IncrRefCount(oldResult);
+ }
+
+ Tcl_ListObjGetElements(NULL, Tcl_GetObjResult(interp),
+ &objc, &objv);
+#ifdef MAC_TCL
+ /* adjust prefixLen if TclDoGlob prepended a ':' */
+ if ((prefixLen > 0) && (objc > 0)
+ && (Tcl_DStringValue(&buffer)[0] != ':')) {
+ char *str = Tcl_GetStringFromObj(objv[0],NULL);
+ if (str[0] == ':') {
+ prefixLen++;
+ }
+ }
+#endif
+ for (i = 0; i< objc; i++) {
+ Tcl_Obj* elt;
+ if (globFlags & TCL_GLOBMODE_TAILS) {
+ int len;
+ char *oldStr = Tcl_GetStringFromObj(objv[i],&len);
+ if (len == prefixLen) {
+ if ((pattern[0] == '\0')
+ || (strchr(separators, pattern[0]) == NULL)) {
+ elt = Tcl_NewStringObj(".",1);
+ } else {
+ elt = Tcl_NewStringObj("/",1);
+ }
+ } else {
+ elt = Tcl_NewStringObj(oldStr + prefixLen,
+ len - prefixLen);
+ }
+ } else {
+ elt = objv[i];
+ }
+ /* Assumption that 'oldResult' is a valid list */
+ Tcl_ListObjAppendElement(interp, oldResult, elt);
}
+ Tcl_SetObjResult(interp, oldResult);
}
+ /*
+ * Release our temporary copy. All code paths above must
+ * end here so we free our reference.
+ */
+ Tcl_DecrRefCount(oldResult);
+ Tcl_DStringFree(&buffer);
return result;
}
\f
Tcl_DString *headPtr; /* Completely expanded prefix. */
char *tail; /* The unexpanded remainder of the path.
* Must not be a pointer to a static string. */
- GlobTypeData *types; /* List object containing list of acceptable types.
- * May be NULL. */
+ Tcl_GlobTypeData *types; /* List object containing list of acceptable
+ * types. May be NULL. */
{
int baseLength, quoted, count;
int result = TCL_OK;
switch (tclPlatform) {
case TCL_PLATFORM_MAC:
+#ifdef MAC_UNDERSTANDS_UNIX_PATHS
if (*separators == '/') {
if (((length == 0) && (count == 0))
|| ((length > 0) && (lastChar != ':'))) {
Tcl_DStringAppend(headPtr, ":", 1);
}
} else {
+#endif
if (count == 0) {
if ((length > 0) && (lastChar != ':')) {
Tcl_DStringAppend(headPtr, ":", 1);
Tcl_DStringAppend(headPtr, ":", 1);
}
}
+#ifdef MAC_UNDERSTANDS_UNIX_PATHS
}
+#endif
break;
case TCL_PLATFORM_WINDOWS:
/*
* element. Add an extra slash if this is a UNC path.
*/
+#if defined(__CYGWIN__) && defined(__WIN32__)
+ {
+
+ extern int cygwin_conv_to_win32_path
+ _ANSI_ARGS_((CONST char *, char *));
+ char winbuf[MAX_PATH];
+
+ /*
+ * In the Cygwin world, call conv_to_win32_path in order to use
+ * the mount table to translate the file name into something
+ * Windows will understand.
+ */
+ cygwin_conv_to_win32_path(Tcl_DStringValue(headPtr), winbuf);
+ Tcl_DStringFree(headPtr);
+ Tcl_DStringAppend(headPtr, winbuf, -1);
+
+ }
+#endif /* __CYGWIN__ && __WIN32__ */
+
if (*name == ':') {
Tcl_DStringAppend(headPtr, ":", 1);
if (count > 1) {
Tcl_DStringSetLength(&newName, baseLength);
Tcl_DStringAppend(&newName, element, p-element);
Tcl_DStringAppend(&newName, closeBrace+1, -1);
- result = TclDoGlob(interp, separators,
- headPtr, Tcl_DStringValue(&newName), types);
+ result = TclDoGlob(interp, separators, headPtr,
+ Tcl_DStringValue(&newName), types);
if (result != TCL_OK) {
break;
}
* if the string is a static.
*/
- savedChar = *p;
- *p = '\0';
- firstSpecialChar = strpbrk(tail, "*[]?\\");
- *p = savedChar;
+ savedChar = *p;
+ *p = '\0';
+ firstSpecialChar = strpbrk(tail, "*[]?\\");
+ *p = savedChar;
} else {
firstSpecialChar = strpbrk(tail, "*[]?\\");
}
if (firstSpecialChar != NULL) {
+ int ret;
+ Tcl_Obj *head = Tcl_NewStringObj(Tcl_DStringValue(headPtr),-1);
+ Tcl_IncrRefCount(head);
/*
- * Look for matching files in the current directory. The
- * implementation of this function is platform specific, but may
- * recursively call TclDoGlob. For each file that matches, it will
- * add the match onto the interp's result, or call TclDoGlob if there
- * are more characters to be processed.
+ * Look for matching files in the given directory. The
+ * implementation of this function is platform specific. For
+ * each file that matches, it will add the match onto the
+ * resultPtr given.
*/
+ if (*p == '\0') {
+ ret = Tcl_FSMatchInDirectory(interp, Tcl_GetObjResult(interp),
+ head, tail, types);
+ } else {
+ Tcl_Obj* resultPtr;
- return TclpMatchFilesTypes(interp, separators, headPtr, tail, p, types);
+ /*
+ * We do the recursion ourselves. This makes implementing
+ * Tcl_FSMatchInDirectory for each filesystem much easier.
+ */
+ Tcl_GlobTypeData dirOnly = { TCL_GLOB_TYPE_DIR, 0, NULL, NULL };
+ char save = *p;
+
+ *p = '\0';
+ resultPtr = Tcl_NewListObj(0, NULL);
+ ret = Tcl_FSMatchInDirectory(interp, resultPtr,
+ head, tail, &dirOnly);
+ *p = save;
+ if (ret == TCL_OK) {
+ int resLength;
+ ret = Tcl_ListObjLength(interp, resultPtr, &resLength);
+ if (ret == TCL_OK) {
+ int i;
+ for (i =0; i< resLength; i++) {
+ Tcl_Obj *elt;
+ Tcl_DString ds;
+ Tcl_ListObjIndex(interp, resultPtr, i, &elt);
+ Tcl_DStringInit(&ds);
+ Tcl_DStringAppend(&ds, Tcl_GetString(elt), -1);
+ if(tclPlatform == TCL_PLATFORM_MAC) {
+ Tcl_DStringAppend(&ds, ":",1);
+ } else {
+ Tcl_DStringAppend(&ds, "/",1);
+ }
+ ret = TclDoGlob(interp, separators, &ds, p+1, types);
+ Tcl_DStringFree(&ds);
+ if (ret != TCL_OK) {
+ break;
+ }
+ }
+ }
+ }
+ Tcl_DecrRefCount(resultPtr);
+ }
+ Tcl_DecrRefCount(head);
+ return ret;
}
Tcl_DStringAppend(headPtr, tail, p-tail);
if (*p != '\0') {
return TclDoGlob(interp, separators, headPtr, p, types);
- }
+ } else {
+ /*
+ * This is the code path reached by a command like 'glob foo'.
+ *
+ * There are no more wildcards in the pattern and no more
+ * unprocessed characters in the tail, so now we can construct
+ * the path, and pass it to Tcl_FSMatchInDirectory with an
+ * empty pattern to verify the existence of the file and check
+ * it is of the correct type (if a 'types' flag it given -- if
+ * no such flag was given, we could just use 'Tcl_FSLStat', but
+ * for simplicity we keep to a common approach).
+ */
- /*
- * There are no more wildcards in the pattern and no more unprocessed
- * characters in the tail, so now we can construct the path and verify
- * the existence of the file.
- */
+ Tcl_Obj *nameObj;
+ /* Used to deal with one special case pertinent to MacOS */
+ int macSpecialCase = 0;
- switch (tclPlatform) {
- case TCL_PLATFORM_MAC: {
- if (strchr(Tcl_DStringValue(headPtr), ':') == NULL) {
- Tcl_DStringAppend(headPtr, ":", 1);
- }
- name = Tcl_DStringValue(headPtr);
- if (TclpAccess(name, F_OK) == 0) {
- if ((name[1] != '\0') && (strchr(name+1, ':') == NULL)) {
- Tcl_ListObjAppendElement(interp, Tcl_GetObjResult(interp),
- Tcl_NewStringObj(name + 1,-1));
- } else {
- Tcl_ListObjAppendElement(interp, Tcl_GetObjResult(interp),
- Tcl_NewStringObj(name,-1));
+ switch (tclPlatform) {
+ case TCL_PLATFORM_MAC: {
+ if (strchr(Tcl_DStringValue(headPtr), ':') == NULL) {
+ Tcl_DStringAppend(headPtr, ":", 1);
}
+ macSpecialCase = 1;
+ break;
}
- break;
- }
- case TCL_PLATFORM_WINDOWS: {
- int exists;
-#ifndef __CYGWIN__
-
- /*
- * We need to convert slashes to backslashes before checking
- * for the existence of the file. Once we are done, we need
- * to convert the slashes back.
- */
-
- if (Tcl_DStringLength(headPtr) == 0) {
- if (((*name == '\\') && (name[1] == '/' || name[1] == '\\'))
- || (*name == '/')) {
- Tcl_DStringAppend(headPtr, "\\", 1);
- } else {
- Tcl_DStringAppend(headPtr, ".", 1);
+ case TCL_PLATFORM_WINDOWS: {
+ if (Tcl_DStringLength(headPtr) == 0) {
+ if (((*name == '\\') && (name[1] == '/' || name[1] == '\\'))
+ || (*name == '/')) {
+ Tcl_DStringAppend(headPtr, "\\", 1);
+ } else {
+ Tcl_DStringAppend(headPtr, ".", 1);
+ }
}
- } else {
+ /*
+ * Convert to forward slashes. This is required to pass
+ * some Tcl tests. We should probably remove the conversions
+ * here and in tclWinFile.c, since they aren't needed since
+ * the dropping of support for Win32s.
+ */
for (p = Tcl_DStringValue(headPtr); *p != '\0'; p++) {
- if (*p == '/') {
- *p = '\\';
+ if (*p == '\\') {
+ *p = '/';
}
}
+ break;
}
-#endif
- name = Tcl_DStringValue(headPtr);
- exists = (TclpAccess(name, F_OK) == 0);
-
- for (p = name; *p != '\0'; p++) {
- if (*p == '\\') {
- *p = '/';
+ case TCL_PLATFORM_UNIX: {
+ if (Tcl_DStringLength(headPtr) == 0) {
+ if ((*name == '\\' && name[1] == '/') || (*name == '/')) {
+ Tcl_DStringAppend(headPtr, "/", 1);
+ } else {
+ Tcl_DStringAppend(headPtr, ".", 1);
+ }
}
+ break;
}
- if (exists) {
- Tcl_ListObjAppendElement(interp, Tcl_GetObjResult(interp),
- Tcl_NewStringObj(name,-1));
- }
- break;
}
- case TCL_PLATFORM_UNIX: {
- if (Tcl_DStringLength(headPtr) == 0) {
- if ((*name == '\\' && name[1] == '/') || (*name == '/')) {
- Tcl_DStringAppend(headPtr, "/", 1);
- } else {
- Tcl_DStringAppend(headPtr, ".", 1);
- }
- }
- name = Tcl_DStringValue(headPtr);
- if (TclpAccess(name, F_OK) == 0) {
- Tcl_ListObjAppendElement(interp, Tcl_GetObjResult(interp),
- Tcl_NewStringObj(name,-1));
- }
- break;
+ /* Common for all platforms */
+ name = Tcl_DStringValue(headPtr);
+ nameObj = Tcl_NewStringObj(name, Tcl_DStringLength(headPtr));
+
+ Tcl_IncrRefCount(nameObj);
+ Tcl_FSMatchInDirectory(interp, Tcl_GetObjResult(interp), nameObj,
+ NULL, types);
+ Tcl_DecrRefCount(nameObj);
+ return TCL_OK;
+ }
+}
+
+\f
+/*
+ *---------------------------------------------------------------------------
+ *
+ * TclFileDirname
+ *
+ * This procedure calculates the directory above a given
+ * path: basically 'file dirname'. It is used both by
+ * the 'dirname' subcommand of file and by code in tclIOUtil.c.
+ *
+ * Results:
+ * NULL if an error occurred, otherwise a Tcl_Obj owned by
+ * the caller (i.e. most likely with refCount 1).
+ *
+ * Side effects:
+ * None.
+ *
+ *---------------------------------------------------------------------------
+ */
+
+Tcl_Obj*
+TclFileDirname(interp, pathPtr)
+ Tcl_Interp *interp; /* Used for error reporting */
+ Tcl_Obj *pathPtr; /* Path to take dirname of */
+{
+ int splitElements;
+ Tcl_Obj *splitPtr;
+ Tcl_Obj *splitResultPtr = NULL;
+
+ /*
+ * The behaviour we want here is slightly different to
+ * the standard Tcl_FSSplitPath in the handling of home
+ * directories; Tcl_FSSplitPath preserves the "~" while
+ * this code computes the actual full path name, if we
+ * had just a single component.
+ */
+ splitPtr = Tcl_FSSplitPath(pathPtr, &splitElements);
+ if ((splitElements == 1) && (Tcl_GetString(pathPtr)[0] == '~')) {
+ Tcl_DecrRefCount(splitPtr);
+ splitPtr = Tcl_FSGetNormalizedPath(interp, pathPtr);
+ if (splitPtr == NULL) {
+ return NULL;
}
+ splitPtr = Tcl_FSSplitPath(splitPtr, &splitElements);
}
- return TCL_OK;
+ /*
+ * Return all but the last component. If there is only one
+ * component, return it if the path was non-relative, otherwise
+ * return the current directory.
+ */
+
+ if (splitElements > 1) {
+ splitResultPtr = Tcl_FSJoinPath(splitPtr, splitElements - 1);
+ } else if (splitElements == 0 ||
+ (Tcl_FSGetPathType(pathPtr) == TCL_PATH_RELATIVE)) {
+ splitResultPtr = Tcl_NewStringObj(
+ ((tclPlatform == TCL_PLATFORM_MAC) ? ":" : "."), 1);
+ } else {
+ Tcl_ListObjIndex(NULL, splitPtr, 0, &splitResultPtr);
+ }
+ Tcl_IncrRefCount(splitResultPtr);
+ Tcl_DecrRefCount(splitPtr);
+ return splitResultPtr;
}
+\f
+/*
+ *---------------------------------------------------------------------------
+ *
+ * Tcl_AllocStatBuf
+ *
+ * This procedure allocates a Tcl_StatBuf on the heap. It exists
+ * so that extensions may be used unchanged on systems where
+ * largefile support is optional.
+ *
+ * Results:
+ * A pointer to a Tcl_StatBuf which may be deallocated by being
+ * passed to ckfree().
+ *
+ * Side effects:
+ * None.
+ *
+ *---------------------------------------------------------------------------
+ */
+Tcl_StatBuf *
+Tcl_AllocStatBuf() {
+ return (Tcl_StatBuf *) ckalloc(sizeof(Tcl_StatBuf));
+}