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cmd: Rework parameter parsing for WCMD_Copy.

This commit is contained in:
Jason Edmeades 2012-10-08 21:25:58 +01:00 committed by Alexandre Julliard
parent 270163f380
commit 89b8868ae0
3 changed files with 214 additions and 11 deletions
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221
programs/cmd/builtins.c
View File

@ -375,10 +375,18 @@ void WCMD_choice (const WCHAR * command) {
* FIXME: Add support for a+b+c type syntax
*/
void WCMD_copy (void) {
void WCMD_copy(WCHAR * command) {
BOOL opt_d, opt_v, opt_n, opt_z;
WCHAR *thisparam;
int argno = 0;
WCHAR *rawarg;
WIN32_FIND_DATAW fd;
HANDLE hff;
HANDLE hff;
int binarymode = -1; /* -1 means use the default, 1 is binary, 0 ascii */
BOOL concatnextfilename = FALSE; /* True if we have just processed a + */
BOOL anyconcats = FALSE; /* Have we found any + options */
BOOL force, status;
WCHAR outpath[MAX_PATH], srcpath[MAX_PATH], copycmd[4];
DWORD len;
@ -391,14 +399,177 @@ void WCMD_copy (void) {
WCHAR fname[MAX_PATH];
WCHAR ext[MAX_PATH];
typedef struct _COPY_FILES
{
struct _COPY_FILES *next;
BOOL concatenate;
WCHAR *name;
int binarycopy;
} COPY_FILES;
COPY_FILES *sourcelist = NULL;
COPY_FILES *lastcopyentry = NULL;
COPY_FILES *destination = NULL;
COPY_FILES *thiscopy = NULL;
COPY_FILES *prevcopy = NULL;
/* If no args supplied at all, report an error */
if (param1[0] == 0x00) {
WCMD_output_stderr (WCMD_LoadMessage(WCMD_NOARG));
return;
}
opt_d = opt_v = opt_n = opt_z = FALSE;
/* Walk through all args, building up a list of files to process */
thisparam = WCMD_parameter(command, argno++, &rawarg, NULL, TRUE);
while (*(thisparam)) {
WCHAR *pos1, *pos2;
BOOL inquotes;
WINE_TRACE("Working on parameter '%s'\n", wine_dbgstr_w(thisparam));
/* Handle switches */
if (*thisparam == '/') {
while (*thisparam == '/') {
thisparam++;
if (toupperW(*thisparam) == 'D') {
opt_d = TRUE;
if (opt_d) WINE_FIXME("copy /D support not implemented yet\n");
} else if (toupperW(*thisparam) == 'V') {
opt_v = TRUE;
if (opt_v) WINE_FIXME("copy /V support not implemented yet\n");
} else if (toupperW(*thisparam) == 'N') {
opt_n = TRUE;
if (opt_n) WINE_FIXME("copy /N support not implemented yet\n");
} else if (toupperW(*thisparam) == 'Z') {
opt_z = TRUE;
if (opt_z) WINE_FIXME("copy /Z support not implemented yet\n");
} else if (toupperW(*thisparam) == 'A') {
if (binarymode != 0) {
binarymode = 0;
WINE_TRACE("Subsequent files will be handled as ASCII\n");
if (destination != NULL) {
WINE_TRACE("file %s will be written as ASCII\n", wine_dbgstr_w(destination->name));
destination->binarycopy = binarymode;
} else if (lastcopyentry != NULL) {
WINE_TRACE("file %s will be read as ASCII\n", wine_dbgstr_w(lastcopyentry->name));
lastcopyentry->binarycopy = binarymode;
}
}
} else if (toupperW(*thisparam) == 'B') {
if (binarymode != 1) {
binarymode = 1;
WINE_TRACE("Subsequent files will be handled as binary\n");
if (destination != NULL) {
WINE_TRACE("file %s will be written as binary\n", wine_dbgstr_w(destination->name));
destination->binarycopy = binarymode;
} else if (lastcopyentry != NULL) {
WINE_TRACE("file %s will be read as binary\n", wine_dbgstr_w(lastcopyentry->name));
lastcopyentry->binarycopy = binarymode;
}
}
} else {
WINE_FIXME("Unexpected copy switch %s\n", wine_dbgstr_w(thisparam));
}
thisparam++;
}
/* This parameter was purely switches, get the next one */
thisparam = WCMD_parameter(command, argno++, &rawarg, NULL, TRUE);
continue;
}
/* We have found something which is not a switch. If could be anything of the form
sourcefilename (which could be destination too)
+ (when filename + filename syntex used)
sourcefilename+sourcefilename
+sourcefilename
+/b[tests show windows then ignores to end of parameter]
*/
if (*thisparam=='+') {
if (lastcopyentry == NULL) {
WCMD_output_stderr(WCMD_LoadMessage(WCMD_SYNTAXERR));
errorlevel = 1;
goto exitreturn;
} else {
concatnextfilename = TRUE;
anyconcats = TRUE;
}
/* Move to next thing to process */
thisparam++;
if (*thisparam == 0x00) thisparam = WCMD_parameter(command, argno++, &rawarg, NULL, TRUE);
continue;
}
/* We have found something to process - build a COPY_FILE block to store it */
thiscopy = HeapAlloc(GetProcessHeap(),0,sizeof(COPY_FILES));
if (thiscopy == NULL) goto exitreturn;
WINE_TRACE("Not a switch, but probably a filename/list %s\n", wine_dbgstr_w(thisparam));
thiscopy->concatenate = concatnextfilename;
thiscopy->binarycopy = binarymode;
thiscopy->next = NULL;
/* Time to work out the name. Allocate at least enough space (deliberately too much to
leave space to append \* to the end) , then copy in character by character. Strip off
quotes if we find them. */
len = strlenW(thisparam) + (sizeof(WCHAR) * 5); /* 5 spare characters, null + \*.* */
thiscopy->name = HeapAlloc(GetProcessHeap(),0,len*sizeof(WCHAR));
memset(thiscopy->name, 0x00, len);
pos1 = thisparam;
pos2 = thiscopy->name;
inquotes = FALSE;
while (*pos1 && (inquotes || (*pos1 != '+' && *pos1 != '/'))) {
if (*pos1 == '"') {
inquotes = !inquotes;
pos1++;
} else *pos2++ = *pos1++;
}
*pos2 = 0;
WINE_TRACE("Calculated file name %s\n", wine_dbgstr_w(thiscopy->name));
/* This is either the first source, concatenated subsequent source or destination */
if (sourcelist == NULL) {
WINE_TRACE("Adding as first source part\n");
sourcelist = thiscopy;
lastcopyentry = thiscopy;
} else if (concatnextfilename) {
WINE_TRACE("Adding to source file list to be concatenated\n");
lastcopyentry->next = thiscopy;
lastcopyentry = thiscopy;
} else if (destination == NULL) {
destination = thiscopy;
} else {
/* We have processed sources and destinations and still found more to do - invalid */
WCMD_output_stderr(WCMD_LoadMessage(WCMD_SYNTAXERR));
errorlevel = 1;
goto exitreturn;
}
concatnextfilename = FALSE;
/* We either need to process the rest of the parameter or move to the next */
if (*pos1 == '/' || *pos1 == '+') {
thisparam = pos1;
continue;
} else {
thisparam = WCMD_parameter(command, argno++, &rawarg, NULL, TRUE);
}
}
/* Ensure we have at least one source file */
if (!sourcelist) {
WCMD_output_stderr(WCMD_LoadMessage(WCMD_SYNTAXERR));
errorlevel = 1;
goto exitreturn;
}
/* Convert source into full spec */
WINE_TRACE("Copy source (supplied): '%s'\n", wine_dbgstr_w(param1));
GetFullPathNameW(param1, sizeof(srcpath)/sizeof(WCHAR), srcpath, NULL);
WINE_TRACE("Copy source (supplied): '%s'\n", wine_dbgstr_w(sourcelist->name));
GetFullPathNameW(sourcelist->name, sizeof(srcpath)/sizeof(WCHAR), srcpath, NULL);
if (srcpath[strlenW(srcpath) - 1] == '\\')
srcpath[strlenW(srcpath) - 1] = '\0';
@ -420,12 +591,17 @@ void WCMD_copy (void) {
strcatW(srcpath, dir);
}
WINE_TRACE("Copy source (calculated): path: '%s'\n", wine_dbgstr_w(srcpath));
WINE_TRACE("Copy source (calculated): path: '%s' (Concats: %d)\n",
wine_dbgstr_w(srcpath), anyconcats);
/* Temporarily use param2 to hold destination */
/* If no destination supplied, assume current directory */
WINE_TRACE("Copy destination (supplied): '%s'\n", wine_dbgstr_w(param2));
if (param2[0] == 0x00) {
strcpyW(param2, dotW);
if (destination) {
WINE_TRACE("Copy destination (supplied): '%s'\n", wine_dbgstr_w(destination->name));
strcpyW(param2, destination->name);
} else {
WINE_TRACE("Copy destination not supplied\n");
strcpyW(param2, dotW);
}
GetFullPathNameW(param2, sizeof(outpath)/sizeof(WCHAR), outpath, NULL);
@ -501,14 +677,41 @@ void WCMD_copy (void) {
/* Do the copy as appropriate */
if (overwrite) {
status = CopyFileW(srcname, outname, FALSE);
if (!status) WCMD_print_error ();
if (!status) {
WCMD_print_error ();
errorlevel = 1;
}
}
} while (FindNextFileW(hff, &fd) != 0);
FindClose (hff);
} else {
WCMD_print_error ();
errorlevel = 1;
}
/* We were successful! */
errorlevel = 0;
/* Exit out of the routine, freeing any remaing allocated memory */
exitreturn:
thiscopy = sourcelist;
while (thiscopy != NULL) {
prevcopy = thiscopy;
/* Free up this block*/
thiscopy = thiscopy -> next;
HeapFree(GetProcessHeap(), 0, prevcopy->name);
HeapFree(GetProcessHeap(), 0, prevcopy);
}
/* Free up the destination memory */
if (destination) {
HeapFree(GetProcessHeap(), 0, destination->name);
HeapFree(GetProcessHeap(), 0, destination);
}
return;
}
/****************************************************************************

2
programs/cmd/wcmd.h
View File

@ -60,7 +60,7 @@ void WCMD_change_tty (void);
void WCMD_choice (const WCHAR *);
void WCMD_clear_screen (void);
void WCMD_color (void);
void WCMD_copy (void);
void WCMD_copy (WCHAR *);
void WCMD_create_dir (WCHAR *);
BOOL WCMD_delete (WCHAR *);
void WCMD_directory (WCHAR *);

2
programs/cmd/wcmdmain.c
View File

@ -1469,7 +1469,7 @@ void WCMD_execute (const WCHAR *command, const WCHAR *redirects,
WCMD_clear_screen ();
break;
case WCMD_COPY:
WCMD_copy ();
WCMD_copy (p);
break;
case WCMD_CTTY:
WCMD_change_tty ();