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-rw-r--r--generic/tkFileFilter.c196
1 files changed, 92 insertions, 104 deletions
diff --git a/generic/tkFileFilter.c b/generic/tkFileFilter.c
index 4734b00..25e9105 100644
--- a/generic/tkFileFilter.c
+++ b/generic/tkFileFilter.c
@@ -9,23 +9,22 @@
* See the file "license.terms" for information on usage and redistribution
* of this file, and for a DISCLAIMER OF ALL WARRANTIES.
*
- * RCS: @(#) $Id: tkFileFilter.c,v 1.6 2004/12/20 10:34:20 vincentdarley Exp $
+ * RCS: @(#) $Id: tkFileFilter.c,v 1.7 2005/05/21 23:29:40 dkf Exp $
*/
#include "tkInt.h"
#include "tkFileFilter.h"
-static int AddClause _ANSI_ARGS_((
- Tcl_Interp * interp, FileFilter * filterPtr,
- Tcl_Obj * patternsObj, Tcl_Obj * ostypesObj,
- int isWindows));
-static void FreeClauses _ANSI_ARGS_((FileFilter * filterPtr));
+static int AddClause _ANSI_ARGS_((Tcl_Interp *interp,
+ FileFilter *filterPtr, Tcl_Obj *patternsObj,
+ Tcl_Obj *ostypesObj, int isWindows));
+static void FreeClauses _ANSI_ARGS_((FileFilter *filterPtr));
static void FreeGlobPatterns _ANSI_ARGS_((
- FileFilterClause * clausePtr));
+ FileFilterClause *clausePtr));
static void FreeMacFileTypes _ANSI_ARGS_((
- FileFilterClause * clausePtr));
-static FileFilter * GetFilter _ANSI_ARGS_((FileFilterList * flistPtr,
- CONST char * name));
+ FileFilterClause *clausePtr));
+static FileFilter * GetFilter _ANSI_ARGS_((FileFilterList *flistPtr,
+ CONST char *name));
/*
*----------------------------------------------------------------------
@@ -51,7 +50,7 @@ static FileFilter * GetFilter _ANSI_ARGS_((FileFilterList * flistPtr,
void
TkInitFileFilters(flistPtr)
- FileFilterList * flistPtr; /* The structure to be initialized. */
+ FileFilterList *flistPtr; /* The structure to be initialized. */
{
flistPtr->filters = NULL;
flistPtr->filtersTail = NULL;
@@ -65,7 +64,7 @@ TkInitFileFilters(flistPtr)
*
* This function is called by the Mac and Windows implementation
* of tk_getOpenFile and tk_getSaveFile to translate the string
- * value of the -filetypes option of into an easy-to-parse C
+ * value of the -filetypes option into an easy-to-parse C
* structure (flistPtr). The caller of this function will then use
* flistPtr to perform filetype matching in a platform specific way.
*
@@ -81,8 +80,8 @@ TkInitFileFilters(flistPtr)
int
TkGetFileFilters(interp, flistPtr, types, isWindows)
Tcl_Interp *interp; /* Interpreter to use for error reporting. */
- FileFilterList * flistPtr; /* Stores the list of file filters. */
- Tcl_Obj* types; /* Value of the -filetypes option. */
+ FileFilterList *flistPtr; /* Stores the list of file filters. */
+ Tcl_Obj *types; /* Value of the -filetypes option. */
int isWindows; /* True if we are running on Windows. */
{
int listObjc;
@@ -93,7 +92,8 @@ TkGetFileFilters(interp, flistPtr, types, isWindows)
return TCL_OK;
}
- if (Tcl_ListObjGetElements(interp, types, &listObjc, &listObjv) != TCL_OK) {
+ if (Tcl_ListObjGetElements(interp, types, &listObjc,
+ &listObjv) != TCL_OK) {
return TCL_ERROR;
}
if (listObjc == 0) {
@@ -114,11 +114,11 @@ TkGetFileFilters(interp, flistPtr, types, isWindows)
* The third is the Mac OSType ID, but we don't care about them here.
*/
int count;
- FileFilter * filterPtr;
- Tcl_Obj ** typeInfo;
+ FileFilter *filterPtr;
+ Tcl_Obj **typeInfo;
if (Tcl_ListObjGetElements(interp, listObjv[i], &count,
- &typeInfo) != TCL_OK) {
+ &typeInfo) != TCL_OK) {
return TCL_ERROR;
}
@@ -132,12 +132,9 @@ TkGetFileFilters(interp, flistPtr, types, isWindows)
filterPtr = GetFilter(flistPtr, Tcl_GetString(typeInfo[0]));
- if (count == 2) {
- return AddClause(interp, filterPtr, typeInfo[1],
- NULL, isWindows);
- } else {
- return AddClause(interp, filterPtr, typeInfo[1],
- typeInfo[2], isWindows);
+ if (AddClause(interp, filterPtr, typeInfo[1],
+ (count==2 ? NULL : typeInfo[2]), isWindows) != TCL_OK) {
+ return TCL_ERROR;
}
}
@@ -161,14 +158,14 @@ TkGetFileFilters(interp, flistPtr, types, isWindows)
void
TkFreeFileFilters(flistPtr)
- FileFilterList * flistPtr; /* List of file filters to free */
+ FileFilterList *flistPtr; /* List of file filters to free */
{
- FileFilter * filterPtr, *toFree;
+ FileFilter *filterPtr, *toFree;
filterPtr=flistPtr->filters;
- while (filterPtr) {
+ while (filterPtr != NULL) {
toFree = filterPtr;
- filterPtr=filterPtr->next;
+ filterPtr = filterPtr->next;
FreeClauses(toFree);
ckfree((char*)toFree->name);
ckfree((char*)toFree);
@@ -191,36 +188,38 @@ TkFreeFileFilters(flistPtr)
*----------------------------------------------------------------------
*/
-static int AddClause(interp, filterPtr, patternsObj, ostypesObj, isWindows)
- Tcl_Interp * interp; /* Interpreter to use for error reporting. */
- FileFilter * filterPtr; /* Stores the new filter clause */
- Tcl_Obj * patternsObj; /* A Tcl list of glob patterns. */
- Tcl_Obj * ostypesObj; /* A Tcl list of Mac OSType strings. */
+static int
+AddClause(interp, filterPtr, patternsObj, ostypesObj, isWindows)
+ Tcl_Interp *interp; /* Interpreter to use for error reporting. */
+ FileFilter *filterPtr; /* Stores the new filter clause */
+ Tcl_Obj *patternsObj; /* A Tcl list of glob patterns. */
+ Tcl_Obj *ostypesObj; /* A Tcl list of Mac OSType strings. */
int isWindows; /* True if we are running on Windows; False
* if we are running on the Mac; Glob
* patterns need to be processed differently
* on these two platforms */
{
- Tcl_Obj ** globList = NULL;
- int globCount;
- Tcl_Obj ** ostypeList = NULL;
- int ostypeCount;
- FileFilterClause * clausePtr;
- int i;
- int code = TCL_OK;
+ Tcl_Obj **globList = NULL, **ostypeList = NULL;
+ int globCount, ostypeCount, i, code = TCL_OK;
+ FileFilterClause *clausePtr;
Tcl_Encoding macRoman = NULL;
-
- if (Tcl_ListObjGetElements(interp, patternsObj, &globCount, &globList)
- != TCL_OK) {
+
+ if (Tcl_ListObjGetElements(interp, patternsObj,
+ &globCount, &globList) != TCL_OK) {
code = TCL_ERROR;
goto done;
}
if (ostypesObj != NULL) {
- if (Tcl_ListObjGetElements(interp, ostypesObj, &ostypeCount, &ostypeList)
- != TCL_OK) {
+ if (Tcl_ListObjGetElements(interp, ostypesObj,
+ &ostypeCount, &ostypeList) != TCL_OK) {
code = TCL_ERROR;
goto done;
}
+ /*
+ * We probably need this encoding now...
+ */
+ macRoman = Tcl_GetEncoding(NULL, "macRoman");
+
/*
* Might be cleaner to use 'Tcl_GetOSTypeFromObj' but that is
* actually static to the MacOS X/Darwin version of Tcl, and
@@ -235,33 +234,26 @@ static int AddClause(interp, filterPtr, patternsObj, ostypesObj, isWindows)
* the correct length (assuming there may be non-ascii
* characters, eg., embedded nulls or accented characters in
* the string, the macRoman length will be different).
+ *
+ * If we couldn't load the encoding, then we can't
+ * actually check the correct length. But here we assume
+ * we're probably operating on unix/windows with a minimal
+ * set of encodings and so don't care about MacOS types.
+ * So we won't signal an error.
*/
- if (len >= 4) {
- if (macRoman == NULL) {
- macRoman = Tcl_GetEncoding(NULL, "macRoman");
- }
+ if (len >= 4 && macRoman != NULL) {
+ Tcl_DString osTypeDS;
/*
- * If we couldn't load the encoding, then we can't
- * actually check the correct length. But here we
- * assume we're probably operating on unix/windows
- * with a minimal set of encodings and so don't
- * care about MacOS types. So we won't signal
- * an error.
+ * Convert utf to macRoman, since MacOS types are
+ * defined to be 4 macRoman characters long
*/
- if (macRoman != NULL) {
- Tcl_DString osTypeDS;
- /*
- * Convert utf to macRoman, since MacOS types are
- * defined to be 4 macRoman characters long
- */
- Tcl_UtfToExternalDString(macRoman, strType, len, &osTypeDS);
- len = Tcl_DStringLength(&osTypeDS);
- Tcl_DStringFree(&osTypeDS);
- }
+ Tcl_UtfToExternalDString(macRoman, strType, len, &osTypeDS);
+ len = Tcl_DStringLength(&osTypeDS);
+ Tcl_DStringFree(&osTypeDS);
}
if (len != 4) {
Tcl_AppendResult(interp, "bad Macintosh file type \"",
- Tcl_GetString(ostypeList[i]), "\"", NULL);
+ Tcl_GetString(ostypeList[i]), "\"", NULL);
code = TCL_ERROR;
goto done;
}
@@ -288,9 +280,9 @@ static int AddClause(interp, filterPtr, patternsObj, ostypesObj, isWindows)
if (globCount > 0 && globList != NULL) {
for (i=0; i<globCount; i++) {
- GlobPattern * globPtr = (GlobPattern*)ckalloc(sizeof(GlobPattern));
+ GlobPattern *globPtr = (GlobPattern*)ckalloc(sizeof(GlobPattern));
int len;
-
+
CONST char *str = Tcl_GetStringFromObj(globList[i], &len);
len = (len + 1) * sizeof(char);
@@ -301,22 +293,19 @@ static int AddClause(interp, filterPtr, patternsObj, ostypesObj, isWindows)
globPtr->pattern = (char*)ckalloc((unsigned int) len+1);
globPtr->pattern[0] = '*';
strcpy(globPtr->pattern+1, str);
- }
- else if (isWindows) {
+ } else if (isWindows) {
if (strcmp(str, "*") == 0) {
- globPtr->pattern = (char*)ckalloc(4*sizeof(char));
+ globPtr->pattern = (char*)ckalloc(4 * sizeof(char));
strcpy(globPtr->pattern, "*.*");
- }
- else if (strcmp(str, "") == 0) {
+ } else if (strcmp(str, "") == 0) {
/*
* An empty string means "match all files with no
* extensions"
* BUG: "*." actually matches with all files on Win95
*/
- globPtr->pattern = (char*)ckalloc(3*sizeof(char));
+ globPtr->pattern = (char*)ckalloc(3 * sizeof(char));
strcpy(globPtr->pattern, "*.");
- }
- else {
+ } else {
globPtr->pattern = (char*)ckalloc((unsigned int) len);
strcpy(globPtr->pattern, str);
}
@@ -345,7 +334,7 @@ static int AddClause(interp, filterPtr, patternsObj, ostypesObj, isWindows)
for (i=0; i<ostypeCount; i++) {
Tcl_DString osTypeDS;
int len;
- MacFileType * mfPtr = (MacFileType*)ckalloc(sizeof(MacFileType));
+ MacFileType *mfPtr = (MacFileType *) ckalloc(sizeof(MacFileType));
CONST char *strType = Tcl_GetStringFromObj(ostypeList[i], &len);
/*
@@ -393,25 +382,26 @@ static int AddClause(interp, filterPtr, patternsObj, ostypesObj, isWindows)
*----------------------------------------------------------------------
*/
-static FileFilter * GetFilter(flistPtr, name)
- FileFilterList * flistPtr; /* The FileFilterList that contains the
+static FileFilter *
+GetFilter(flistPtr, name)
+ FileFilterList *flistPtr; /* The FileFilterList that contains the
* newly created filter */
- CONST char * name; /* Name of the filter. It is usually displayed
+ CONST char *name; /* Name of the filter. It is usually displayed
* in the "File Types" listbox in the file
* dialogs. */
{
- FileFilter * filterPtr;
+ FileFilter *filterPtr = flistPtr->filters;
- for (filterPtr=flistPtr->filters; filterPtr; filterPtr=filterPtr->next) {
- if (strcmp(filterPtr->name, name)==0) {
+ for (; filterPtr; filterPtr=filterPtr->next) {
+ if (strcmp(filterPtr->name, name) == 0) {
return filterPtr;
}
}
- filterPtr = (FileFilter*)ckalloc(sizeof(FileFilter));
+ filterPtr = (FileFilter *) ckalloc(sizeof(FileFilter));
filterPtr->clauses = NULL;
filterPtr->clausesTail = NULL;
- filterPtr->name = (char*)ckalloc((strlen(name)+1) * sizeof(char));
+ filterPtr->name = (char *) ckalloc((strlen(name)+1) * sizeof(char));
strcpy(filterPtr->name, name);
if (flistPtr->filters == NULL) {
@@ -445,15 +435,15 @@ static void
FreeClauses(filterPtr)
FileFilter * filterPtr; /* FileFilter whose clauses are to be freed */
{
- FileFilterClause * clausePtr, * toFree;
+ FileFilterClause *clausePtr = filterPtr->clauses;
+
+ while (clausePtr != NULL) {
+ FileFilterClause *toFree = clausePtr;
+ clausePtr = clausePtr->next;
- clausePtr = filterPtr->clauses;
- while (clausePtr) {
- toFree = clausePtr;
- clausePtr=clausePtr->next;
FreeGlobPatterns(toFree);
FreeMacFileTypes(toFree);
- ckfree((char*)toFree);
+ ckfree((char *) toFree);
}
filterPtr->clauses = NULL;
filterPtr->clausesTail = NULL;
@@ -478,15 +468,14 @@ static void
FreeGlobPatterns(clausePtr)
FileFilterClause * clausePtr;/* The clause whose patterns are to be freed*/
{
- GlobPattern * globPtr, * toFree;
+ GlobPattern *globPtr = clausePtr->patterns;
- globPtr = clausePtr->patterns;
- while (globPtr) {
- toFree = globPtr;
- globPtr=globPtr->next;
+ while (globPtr != null) {
+ GlobPattern *toFree = globPtr;
+ globPtr = globPtr->next;
- ckfree((char*)toFree->pattern);
- ckfree((char*)toFree);
+ ckfree((char *) toFree->pattern);
+ ckfree((char *) toFree);
}
clausePtr->patterns = NULL;
}
@@ -511,13 +500,12 @@ FreeMacFileTypes(clausePtr)
FileFilterClause * clausePtr; /* The clause whose mac types are to be
* freed */
{
- MacFileType * mfPtr, * toFree;
+ MacFileType *mfPtr = clausePtr->macTypes;
- mfPtr = clausePtr->macTypes;
- while (mfPtr) {
- toFree = mfPtr;
- mfPtr=mfPtr->next;
- ckfree((char*)toFree);
+ while (mfPtr != NULL) {
+ MacFileType *toFree = mfPtr;
+ mfPtr = mfPtr->next;
+ ckfree((char *) toFree);
}
clausePtr->macTypes = NULL;
}
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