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Much better parsing of /etc/printcap. 

Don't even try to use heuristics to guess whether the printer is
PostScript or not - we're going to get it wrong anyway.
Don't list printer entries that begin with ispunct() - these are used
for 'tc' aliases.
This commit is contained in:
Huw Davies 2003-11-11 00:42:35 +00:00 committed by Alexandre Julliard
parent b6ddd8cadb
commit e459f7a681
1 changed files with 132 additions and 105 deletions
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237
dlls/winspool/info.c
View File

@ -176,7 +176,6 @@ static BOOL CUPS_LoadPrinters(void)
if(RegCreateKeyA(HKEY_LOCAL_MACHINE, Printers, &hkeyPrinters) !=
ERROR_SUCCESS) {
ERR("Can't create Printers key\n");
SetLastError(ERROR_FILE_NOT_FOUND); /* ?? */
return FALSE;
}
@ -230,130 +229,160 @@ static BOOL CUPS_LoadPrinters(void)
static BOOL
PRINTCAP_ParseEntry(char *pent,BOOL isfirst) {
PRINTER_INFO_2A pinfo2a;
char *s,*name,*prettyname,*devname;
BOOL isps = FALSE;
char *port,*devline;
char *e,*s,*name,*prettyname,*devname;
BOOL ret = FALSE, set_default = FALSE;
char *port,*devline,*env_default;
HKEY hkeyPrinter, hkeyPrinters;
while (isspace(*pent)) pent++;
s = strchr(pent,':');
if (!s) return FALSE;
*s='\0';
name = pent;
pent = s+1;
TRACE("%s\n",name);
if(s) *s='\0';
name = HeapAlloc(GetProcessHeap(), 0, strlen(pent) + 1);
strcpy(name,pent);
if(s) {
*s=':';
pent = s;
} else
pent = "";
TRACE("name=%s entry=%s\n",name, pent);
if(ispunct(*name)) { /* a tc entry, not a real printer */
TRACE("skipping tc entry\n");
goto end;
}
if(strstr(pent,":server")) { /* server only version so skip */
TRACE("skipping server entry\n");
goto end;
}
/* Determine whether this is a postscript printer. */
/* 1. Check if name or aliases contain trigger phrases like 'ps' */
if (strstr(name,"ps") ||
strstr(name,"pd") || /* postscript double page */
strstr(name,"postscript") ||
strstr(name,"PostScript")
) {
TRACE("%s has 'ps' style name, assuming postscript.\n",name);
isps = TRUE;
}
/* 2. Check if this is a remote printer. These usually are postscript
* capable
*/
if (strstr(pent,":rm")) {
isps = TRUE;
TRACE("%s is remote, assuming postscript.\n",name);
}
/* 3. Check if we have an input filter program. If we have one, it
* most likely is one capable of converting postscript.
* (Could probably check for occurrence of 'gs' or 'ghostscript'
* in the if file itself.)
*/
if (strstr(pent,":if=/")) {
isps = TRUE;
TRACE("%s has inputfilter program, assuming postscript.\n",name);
}
/* If it is not a postscript printer, we cannot use it. */
if (!isps)
return FALSE;
ret = TRUE;
env_default = getenv("PRINTER");
prettyname = name;
/* Get longest name, usually the one at the right for later display. */
while ((s=strchr(prettyname,'|'))) prettyname = s+1;
s=strchr(name,'|');if (s) *s='\0';
while((s=strchr(prettyname,'|'))) {
*s = '\0';
e = s;
while(isspace(*--e)) *e = '\0';
TRACE("\t%s\n", debugstr_a(prettyname));
if(env_default && !strcasecmp(prettyname, env_default)) set_default = TRUE;
for(prettyname = s+1; isspace(*prettyname); prettyname++)
;
}
e = prettyname + strlen(prettyname);
while(isspace(*--e)) *e = '\0';
TRACE("\t%s\n", debugstr_a(prettyname));
if(env_default && !strcasecmp(prettyname, env_default)) set_default = TRUE;
/* prettyname must fit into the dmDeviceName member of DEVMODE struct,
* if it is too long, we use it as comment below. */
devname = prettyname;
if (strlen(devname)>=CCHDEVICENAME-1)
devname = name;
if (strlen(devname)>=CCHDEVICENAME-1)
return FALSE;
if (strlen(devname)>=CCHDEVICENAME-1) {
ret = FALSE;
goto end;
}
if (isfirst) /* set first entry as default */
WINSPOOL_SetDefaultPrinter(devname,name,TRUE);
memset(&pinfo2a,0,sizeof(pinfo2a));
pinfo2a.pPrinterName = devname;
pinfo2a.pDatatype = "RAW";
pinfo2a.pPrintProcessor = "WinPrint";
pinfo2a.pDriverName = "PS Driver";
pinfo2a.pComment = "WINEPS Printer using LPR";
pinfo2a.pLocation = prettyname;
port = HeapAlloc(GetProcessHeap(),0,strlen("LPR:")+strlen(name)+1);
sprintf(port,"LPR:%s",name);
pinfo2a.pPortName = port;
pinfo2a.pParameters = "<parameters?>";
pinfo2a.pShareName = "<share name?>";
pinfo2a.pSepFile = "<sep file?>";
devline=HeapAlloc(GetProcessHeap(),0,strlen("WINEPS,")+strlen(port)+1);
sprintf(devline,"WINEPS,%s",port);
WriteProfileStringA("devices",devname,devline);
HeapFree(GetProcessHeap(),0,devline);
if (!AddPrinterA(NULL,2,(LPBYTE)&pinfo2a)) {
if (GetLastError()!=ERROR_PRINTER_ALREADY_EXISTS)
ERR("%s not added by AddPrinterA (%ld)\n",name,GetLastError());
if(RegCreateKeyA(HKEY_LOCAL_MACHINE, Printers, &hkeyPrinters) !=
ERROR_SUCCESS) {
ERR("Can't create Printers key\n");
ret = FALSE;
goto end;
}
HeapFree(GetProcessHeap(),0,port);
return TRUE;
if(RegOpenKeyA(hkeyPrinters, devname, &hkeyPrinter) == ERROR_SUCCESS) {
/* Printer already in registry, delete the tag added in WINSPOOL_LoadSystemPrinters
and continue */
TRACE("Printer already exists\n");
RegDeleteValueW(hkeyPrinter, May_Delete_Value);
RegCloseKey(hkeyPrinter);
} else {
memset(&pinfo2a,0,sizeof(pinfo2a));
pinfo2a.pPrinterName = devname;
pinfo2a.pDatatype = "RAW";
pinfo2a.pPrintProcessor = "WinPrint";
pinfo2a.pDriverName = "PS Driver";
pinfo2a.pComment = "WINEPS Printer using LPR";
pinfo2a.pLocation = prettyname;
pinfo2a.pPortName = port;
pinfo2a.pParameters = "<parameters?>";
pinfo2a.pShareName = "<share name?>";
pinfo2a.pSepFile = "<sep file?>";
if (!AddPrinterA(NULL,2,(LPBYTE)&pinfo2a)) {
if (GetLastError()!=ERROR_PRINTER_ALREADY_EXISTS)
ERR("%s not added by AddPrinterA (%ld)\n",name,GetLastError());
}
}
RegCloseKey(hkeyPrinters);
if (isfirst || set_default)
WINSPOOL_SetDefaultPrinter(devname,name,TRUE);
HeapFree(GetProcessHeap(), 0, port);
end:
HeapFree(GetProcessHeap(), 0, name);
return ret;
}
static BOOL
PRINTCAP_LoadPrinters(void) {
BOOL hadprinter = FALSE, isfirst = TRUE;
BOOL hadprinter = FALSE;
char buf[200];
FILE *f;
char *pent = NULL;
BOOL had_bash = FALSE;
f = fopen("/etc/printcap","r");
if (!f)
return FALSE;
while (fgets(buf,sizeof(buf),f)) {
char *pent = NULL;
do {
char *s;
s=strchr(buf,'\n'); if (s) *s='\0';
if ((buf[0]=='#') || (buf[0]=='\0'))
continue;
while(fgets(buf,sizeof(buf),f)) {
char *start, *end;
if (pent) {
pent=HeapReAlloc(GetProcessHeap(),0,pent,strlen(pent)+strlen(buf)+2);
strcat(pent,buf);
} else {
pent=HeapAlloc(GetProcessHeap(),0,strlen(buf)+1);
strcpy(pent,buf);
}
end=strchr(buf,'\n');
if (end) *end='\0';
start = buf;
while(isspace(*start)) start++;
if(*start == '#' || *start == '\0')
continue;
if (strlen(pent) && (pent[strlen(pent)-1] == '\\'))
pent[strlen(pent)-1] = '\0';
else
break;
} while (fgets(buf,sizeof(buf),f));
if (pent)
hadprinter |= PRINTCAP_ParseEntry(pent,isfirst);
isfirst = FALSE;
if (pent) HeapFree(GetProcessHeap(),0,pent);
pent = NULL;
if (feof(f)) break;
if(pent && !had_bash && *start != ':' && *start != '|') { /* start of new entry, parse the previous one */
hadprinter |= PRINTCAP_ParseEntry(pent,!hadprinter);
HeapFree(GetProcessHeap(),0,pent);
pent = NULL;
}
if (end && *--end == '\\') {
*end = '\0';
had_bash = TRUE;
} else
had_bash = FALSE;
if (pent) {
pent=HeapReAlloc(GetProcessHeap(),0,pent,strlen(pent)+strlen(start)+1);
strcat(pent,start);
} else {
pent=HeapAlloc(GetProcessHeap(),0,strlen(start)+1);
strcpy(pent,start);
}
}
if(pent) {
hadprinter |= PRINTCAP_ParseEntry(pent,!hadprinter);
HeapFree(GetProcessHeap(),0,pent);
}
fclose(f);
return hadprinter;
@ -413,9 +442,10 @@ void WINSPOOL_LoadSystemPrinters(void)
RegCloseKey(hkeyPrinters);
}
/* We want to avoid calling AddPrinter on cups printers as much as
possible, because this will (eventually) lead to a call to
cupsGetPPD which takes forever. So we'll tag all printers that
/* We want to avoid calling AddPrinter on printers as much as
possible, because on cups printers this will (eventually) lead
to a call to cupsGetPPD which takes forever, even with non-cups
printers AddPrinter takes a while. So we'll tag all printers that
were automatically added last time around, if they still exist
we'll leave them be otherwise we'll delete them. */
EnumPrintersA(PRINTER_ENUM_LOCAL, NULL, 5, NULL, 0, &needed, &num);
@ -440,11 +470,18 @@ void WINSPOOL_LoadSystemPrinters(void)
#ifdef HAVE_CUPS_CUPS_H
/* If we have any CUPS based printers, skip looking for printcap printers */
done = CUPS_LoadPrinters();
#endif
if(!done) { /* If we have any CUPS based printers, skip looking for printcap printers */
/* Check for [ppd] section in config file before parsing /etc/printcap */
if (RegOpenKeyA(HKEY_LOCAL_MACHINE, "Software\\Wine\\Wine\\Config\\ppd",
&hkey) == ERROR_SUCCESS) {
RegCloseKey(hkey);
PRINTCAP_LoadPrinters();
}
}
/* Now enumerate the list again and delete any printers that a still tagged */
EnumPrintersA(PRINTER_ENUM_LOCAL, NULL, 5, NULL, 0, &needed, &num);
if(needed) {
@ -469,18 +506,8 @@ void WINSPOOL_LoadSystemPrinters(void)
HeapFree(GetProcessHeap(), 0, pi);
}
return;
if(done)
return;
/* Check for [ppd] section in config file before parsing /etc/printcap */
if (RegOpenKeyA(HKEY_LOCAL_MACHINE, "Software\\Wine\\Wine\\Config\\ppd",
&hkey) == ERROR_SUCCESS)
{
RegCloseKey(hkey);
PRINTCAP_LoadPrinters();
}
}