diff options
Diffstat (limited to 'lib/libXprintUtil/src')
| -rw-r--r-- | lib/libXprintUtil/src/Makefile.am | 17 | ||||
| -rw-r--r-- | lib/libXprintUtil/src/Makefile.in | 492 | ||||
| -rw-r--r-- | lib/libXprintUtil/src/xprintutil.c | 2111 | ||||
| -rw-r--r-- | lib/libXprintUtil/src/xprintutil_printtofile.c | 498 |
4 files changed, 0 insertions, 3118 deletions
diff --git a/lib/libXprintUtil/src/Makefile.am b/lib/libXprintUtil/src/Makefile.am deleted file mode 100644 index 068fbc7eb..000000000 --- a/lib/libXprintUtil/src/Makefile.am +++ /dev/null @@ -1,17 +0,0 @@ -lib_LTLIBRARIES = libXprintUtil.la - -libXprintUtil_la_SOURCES = \ - xprintutil.c \ - xprintutil_printtofile.c - -INCLUDES = -I$(top_srcdir)/include/X11/XprintUtil - - -libXprintUtil_la_LIBADD = @XPRINTUTIL_LIBS@ -AM_CFLAGS = @XPRINTUTIL_CFLAGS@ - -libXprintUtil_la_LDFLAGS = -version-number 1:0:0 -no-undefined - -libXprintUtilincludedir = $(includedir)/X11/XprintUtil -libXprintUtilinclude_HEADERS = \ - $(top_srcdir)/include/X11/XprintUtil/xprintutil.h diff --git a/lib/libXprintUtil/src/Makefile.in b/lib/libXprintUtil/src/Makefile.in deleted file mode 100644 index 7cb7e26c1..000000000 --- a/lib/libXprintUtil/src/Makefile.in +++ /dev/null @@ -1,492 +0,0 @@ -# Makefile.in generated by automake 1.9.6 from Makefile.am. -# @configure_input@ - -# Copyright (C) 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, -# 2003, 2004, 2005 Free Software Foundation, Inc. -# This Makefile.in is free software; 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IN NO EVENT SHALL THE - ** COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER - ** IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN - ** CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. - ** - ** Except as contained in this notice, the names of the copyright holders shall - ** not be used in advertising or otherwise to promote the sale, use or other - ** dealings in this Software without prior written authorization from said - ** copyright holders. - ** - ****************************************************************************** - *****************************************************************************/ - -#include "xprintutil.h" - -#include <stdlib.h> -#include <string.h> -#include <ctype.h> -#include <stdio.h> -#include <limits.h> -#include <errno.h> -#include <locale.h> - -#ifdef XPU_USE_NSPR -#include "plstr.h" -#undef strtok_r -#define strtok_r(s1, s2, x) PL_strtok_r((s1), (s2), (x)) -#endif /* XPU_USE_NSPR */ - -/* List of tokens which can be used to separate entries in the - * $XPSERVERLIST env var */ -static const char XPServerListSeparators[] = " \t\v\n\r\f"; - -/* conformace only; X11 API does (currrently) not make use of |const|. - * If Xlib API gets fixed these macros can be turned into empty - * placeholders... (|#define MAKE_STRING_WRITABLE(x)|) :-) - */ -#define MAKE_STRING_WRITABLE(str) (((str)?((str) = strdup(str)):0)) -#define FREE_WRITABLE_STRING(str) free((void *)(str)) -#define STRING_AS_WRITABLE(str) ((char *)(str)) - -/* Local prototypes */ -static const char *XpuGetDefaultXpPrintername(void); -static const char *XpuGetXpServerList( void ); -static const char *XpuEnumerateXpAttributeValue( const char *value, void **vcptr ); -static const char *XpuGetCurrentAttributeGroup( void **vcptr ); -static void XpuDisposeEnumerateXpAttributeValue( void **vc ); -static Bool XpuEnumerateMediumSourceSizes( Display *pdpy, XPContext pcontext, - const char **tray_name, - const char **medium_name, int *mbool, - float *ma1, float *ma2, float *ma3, float *ma4, - void **vcptr ); -static void XpuDisposeEnumerateMediumSourceSizes( void **vc ); - -/* -** XprintUtil functions start with Xpu -** -*/ - -int XpuCheckExtension( Display *pdpy ) -{ - char *display = XDisplayString(pdpy); - short major = 0, - minor = 0; - - if( XpQueryVersion(pdpy, &major, &minor) != 0 ) - { - XPU_DEBUG_ONLY(printf("XpuCheckExtension: XpQueryVersion '%s' %d %d\n", XPU_NULLXSTR(display), (int)major, (int)minor)); - return(1); - } - else - { - XPU_DEBUG_ONLY(printf("XpuCheckExtension: XpQueryVersion '%s' returned 0(=Xprint not supported)\n", XPU_NULLXSTR(display))); - } - - return(0); -} - -/* Get the default printer name from the XPRINTER env var. - * If XPRINTER env var is not present looks for PDPRINTER, LPDEST, and - * PRINTER (in that order) - * See CDE's DtPrintSetupBox(3) manual page, too... - */ -static -const char *XpuGetDefaultXpPrintername(void) -{ - const char *s; - /* BUG/TODO: XpPrinter resource needs to be sourced, too... */ - s = getenv("XPRINTER"); - if( !s ) - { - s = getenv("PDPRINTER"); - if( !s ) - { - s = getenv("LPDEST"); - if( !s ) - { - s = getenv("PRINTER"); - } - } - } - return s; -} - -static -const char *XpuGetXpServerList( void ) -{ - const char *s; - /* BUG/TODO: XpServerList resource needs to be sourced first, then append - * contents of XPSERVERLIST, then remove duplicates... - */ - s = getenv("XPSERVERLIST"); - if( s == NULL ) - s = ""; - - return(s); -} - - -Bool XpuXprintServersAvailable( void ) -{ - const char *s; - int c = 0; - /* BUGs/ToDo: - * - XpServerList resource needs to be sourced, too... - * (see comment for |XpuGetXpServerList|, too) - * - There should be some validation whether the server entries - * are - * a) valid (easy :) - * and - * b) available (hard to implement when XOpenDisplay() should be avoided) - */ - s = getenv("XPSERVERLIST"); - /* Check if serverlist is non-empty */ - if (s) - { - while( *s++ ) - { - if( !isspace(*s) ) - c++; - } - } - /* a valid server name must at least contain the ':'-seperator - * and a number (e.g. ":1") */ - return( c >= 2 ); -} - - -static -int XpuGetPrinter2( char *printer, char *display, Display **pdpyptr, XPContext *pcontextptr ) -{ - Display *pdpy; - XPContext pcontext; - - XPU_DEBUG_ONLY(printf("XpuGetPrinter2: probing display '%s' for '%s'\n", XPU_NULLXSTR(display), XPU_NULLXSTR(printer))); - - if( (pdpy = XOpenDisplay(display)) != NULL ) - { - if( XpuCheckExtension(pdpy) ) - { - XPPrinterList list; - int list_count; - - /* get list of available printers... */ - list = XpGetPrinterList(pdpy, printer, &list_count); - if( list != NULL ) XpFreePrinterList(list); - - /* ...and check if printer exists... */ - if( (list != NULL) && (list_count > 0) ) - { - if( (pcontext = XpCreateContext(pdpy, printer)) != None ) - { - *pdpyptr = pdpy; - *pcontextptr = pcontext; - return(1); - } - - XPU_DEBUG_ONLY(printf("XpuGetPrinter2: could not create print context for '%s'\n", XPU_NULLXSTR(printer))); - } - } - else - { - XPU_DEBUG_ONLY(printf("display '%s' does not support the Xprint extension\n", XPU_NULLXSTR(display))); - } - - XCloseDisplay(pdpy); - return(0); - } - else - { - XPU_DEBUG_ONLY(printf("could not open display '%s'\n", XPU_NULLXSTR(display))); - return(0); - } -} - - -/* acceps "printer" or "printer@display" */ -int XpuGetPrinter( const char *arg_printername, Display **pdpyptr, XPContext *pcontextptr ) -{ - Display *pdpy; - XPContext pcontext; - char *printername; - char *s; - char *tok_lasts; - - *pdpyptr = NULL; - *pcontextptr = None; - - XPU_DEBUG_ONLY(printf("XpuGetPrinter: looking for '%s'\n", XPU_NULLXSTR(arg_printername))); - - /* strtok_r will modify string - duplicate it first... */ - printername = strdup(arg_printername); - if( printername == NULL ) - return(0); - - if( (s = strtok_r(printername, "@", &tok_lasts)) != NULL ) - { - char *name = s; - char *display = strtok_r(NULL, "@", &tok_lasts); - - /* if we have a display - open it and grab printer */ - if( display != NULL ) - { - if( XpuGetPrinter2(name, display, pdpyptr, pcontextptr) ) - { - free(printername); - return(1); - } - } - /* if we did not get a display, travel througth all displays */ - else - { - char *sl = strdup(XpuGetXpServerList()); - - if( sl != NULL ) - { - for( display = strtok_r(sl, XPServerListSeparators, &tok_lasts) ; - display != NULL ; - display = strtok_r(NULL, XPServerListSeparators, &tok_lasts) ) - { - if( XpuGetPrinter2(name, display, pdpyptr, pcontextptr) ) - { - free(sl); - free(printername); - return(1); - } - } - - free(sl); - } - } - } - - free(printername); - XPU_DEBUG_ONLY(printf("XpuGetPrinter: failure\n")); - - return(0); -} - - -void XpuClosePrinterDisplay(Display *pdpy, XPContext pcontext) -{ - if( pdpy ) - { - if( pcontext != None ) - XpDestroyContext(pdpy, pcontext); - - XCloseDisplay(pdpy); - } -} - -void XpuSetOneAttribute( Display *pdpy, XPContext pcontext, - XPAttributes type, const char *attribute_name, const char *value, XPAttrReplacement replacement_rule ) -{ - /* Alloc buffer for sprintf() stuff below */ - char *buffer = (char *)malloc(strlen(attribute_name)+strlen(value)+4); - - if( buffer != NULL ) - { - sprintf(buffer, "%s: %s", attribute_name, value); - XpSetAttributes(pdpy, pcontext, type, buffer, replacement_rule); - free(buffer); - } -} - -void XpuSetOneLongAttribute( Display *pdpy, XPContext pcontext, - XPAttributes type, const char *attribute_name, long value, XPAttrReplacement replacement_rule ) -{ - /* Alloc buffer for sprintf() stuff below */ - char *buffer = (char *)malloc(strlen(attribute_name)+32+4); - - if( buffer != NULL ) - { - sprintf(buffer, "%s: %ld", attribute_name, value); - XpSetAttributes(pdpy, pcontext, type, buffer, replacement_rule); - free(buffer); - } -} - -/* Check if attribute value is supported or not - * Use this function _only_ if XpuGetSupported{Job,Doc,Page}Attributes() - * does not help you... - */ -int XpuCheckSupported( Display *pdpy, XPContext pcontext, XPAttributes type, const char *attribute_name, const char *query ) -{ - char *value; - void *tok_lasts; - - MAKE_STRING_WRITABLE(attribute_name); - if( attribute_name == NULL ) - return(0); - - value = XpGetOneAttribute(pdpy, pcontext, type, STRING_AS_WRITABLE(attribute_name)); - - XPU_DEBUG_ONLY(printf("XpuCheckSupported: XpGetOneAttribute(%s) returned '%s'\n", XPU_NULLXSTR(attribute_name), XPU_NULLXSTR(value))); - - FREE_WRITABLE_STRING(attribute_name); - - if( value != NULL ) - { - const char *s; - - for( s = XpuEnumerateXpAttributeValue(value, &tok_lasts) ; s != NULL ; s = XpuEnumerateXpAttributeValue(NULL, &tok_lasts) ) - { - XPU_DEBUG_ONLY(printf("XpuCheckSupported: probing '%s'=='%s'\n", XPU_NULLXSTR(s), XPU_NULLXSTR(query))); - if( !strcmp(s, query) ) - { - XFree(value); - XpuDisposeEnumerateXpAttributeValue(&tok_lasts); - return(1); - } - } - - XpuDisposeEnumerateXpAttributeValue(&tok_lasts); - XFree(value); - } - - return(0); -} - - -int XpuSetJobTitle( Display *pdpy, XPContext pcontext, const char *title ) -{ - if( XpuGetSupportedJobAttributes(pdpy, pcontext) & XPUATTRIBUTESUPPORTED_JOB_NAME ) - { - char *encoded_title; - - encoded_title = XpuResourceEncode(title); - if (!encoded_title) - return(0); - XpuSetOneAttribute(pdpy, pcontext, XPJobAttr, "*job-name", encoded_title, XPAttrMerge); - XpuResourceFreeString(encoded_title); - return(1); - } - else - { - XPU_DEBUG_ONLY(printf("XpuSetJobTitle: XPUATTRIBUTESUPPORTED_JOB_NAME not supported ('%s')\n", XPU_NULLXSTR(title))); - return(0); - } -} - -int XpuGetOneLongAttribute( Display *pdpy, XPContext pcontext, XPAttributes type, const char *attribute_name, long *result ) -{ - char *s; - - MAKE_STRING_WRITABLE(attribute_name); - if( attribute_name == NULL ) - return(0); - s = XpGetOneAttribute(pdpy, pcontext, type, STRING_AS_WRITABLE(attribute_name)); - - if(s && *s) - { - long tmp; - - XPU_DEBUG_ONLY(printf("XpuGetOneLongAttribute: '%s' got '%s'\n", XPU_NULLXSTR(attribute_name), XPU_NULLXSTR(s))); - - tmp = strtol(s, (char **)NULL, 10); - - if( !(((tmp == 0L) || (tmp == LONG_MIN) || (tmp == LONG_MAX)) && - ((errno == ERANGE) || (errno == EINVAL))) ) - { - *result = tmp; - XFree(s); - XPU_DEBUG_ONLY(printf("XpuGetOneLongAttribute: result %ld\n", *result)); - FREE_WRITABLE_STRING(attribute_name); - return(1); - } - } - - if( s != NULL ) - XFree(s); - - FREE_WRITABLE_STRING(attribute_name); - - return(0); -} - - -#ifdef DEBUG -/* debug only */ -void dumpXpAttributes( Display *pdpy, XPContext pcontext ) -{ - char *s; - printf("------------------------------------------------\n"); - printf("--> Job\n%s\n", s=XpuGetJobAttributes(pdpy, pcontext)); XFree(s); - printf("--> Doc\n%s\n", s=XpuGetDocAttributes(pdpy, pcontext)); XFree(s); - printf("--> Page\n%s\n", s=XpuGetPageAttributes(pdpy, pcontext)); XFree(s); - printf("--> Printer\n%s\n", s=XpuGetPrinterAttributes(pdpy, pcontext)); XFree(s); - printf("--> Server\n%s\n", s=XpuGetServerAttributes(pdpy, pcontext)); XFree(s); - printf("image resolution %d\n", (int)XpGetImageResolution(pdpy, pcontext)); - printf("------------------------------------------------\n"); -} -#endif /* DEBUG */ - - -typedef struct XpuIsNotifyEventContext_ -{ - int event_base; - int detail; -} XpuIsNotifyEventContext; - -static -Bool IsXpNotifyEvent( Display *pdpy, XEvent *ev, XPointer arg ) -{ - Bool match; - XpuIsNotifyEventContext *context = (XpuIsNotifyEventContext *)arg; - XPPrintEvent *pev = (XPPrintEvent *)ev; - - match = pev->type == (context->event_base+XPPrintNotify) && - pev->detail == context->detail; - - XPU_DEBUG_ONLY(printf("XpuWaitForPrintNotify: %d=IsXpNotifyEvent(%d,%d)\n", - (int)match, - (int)pev->type, - (int)pev->detail)); - return match; -} - -void XpuWaitForPrintNotify( Display *pdpy, int xp_event_base, int detail ) -{ - XEvent dummy; - XpuIsNotifyEventContext matchcontext; - - matchcontext.event_base = xp_event_base; - matchcontext.detail = detail; - XIfEvent(pdpy, &dummy, IsXpNotifyEvent, (XPointer)&matchcontext); -} - -static -const char *skip_matching_brackets(const char *start) -{ - const char *s = start; - int level = 0; - - if( !start ) - return(NULL); - - do - { - switch(*s++) - { - case '\0': return(NULL); - case '{': level++; break; - case '}': level--; break; - } - } while(level > 0); - - return(s); -} - - -static -const char *search_next_space(const char *start) -{ - const char *s = start; - int level = 0; - - if( !start ) - return(NULL); - - for(;;) - { - if( isspace(*s) ) - return(s); - - if( *s=='\0' ) - return(NULL); - - s++; - } -} - -/* PRIVATE context data for XpuEnumerateXpAttributeValue() */ -typedef struct _XpuAttributeValueEnumeration -{ - char *value; - size_t original_value_len; /* original length of value */ - char *group; - char *start; - char *s; -} XpuAttributeValueEnumeration; - - -/* Hacked parser for Xp values and enumerations */ -static -const char *XpuEnumerateXpAttributeValue( const char *value, void **vcptr ) -{ - XpuAttributeValueEnumeration **cptr = (XpuAttributeValueEnumeration **)vcptr; - XpuAttributeValueEnumeration *context; - const char *tmp; - - if( !cptr ) - return(NULL); - - if( value ) - { - XpuAttributeValueEnumeration *e; - const char *s = value; - Bool isGroup = FALSE; - - e = (XpuAttributeValueEnumeration *)malloc(sizeof(XpuAttributeValueEnumeration)); - if( !e ) - return NULL; - - /* Skip leading '{'. */ - while(*s=='{' && isGroup==FALSE) - { - s++; - isGroup = TRUE; - } - /* Skip leading blanks. */ - while(isspace(*s)) - s++; - - e->group = NULL; - - /* Read group name. */ - if( isGroup ) - { - tmp = s; - while(!isspace(*s)) - s++; - if(strncmp(tmp, "''", s-tmp) != 0) - { - e->group = strdup(tmp); - e->group[s-tmp] = '\0'; - } - } - - e->original_value_len = strlen(s); - e->value = (char *)malloc(e->original_value_len+4); /* We may look up to three bytes beyond the string */ - strcpy(e->value, s); - memset(e->value+e->original_value_len+1, 0, 3); /* quad termination */ - e->start = e->s = e->value; - - *cptr = e; - } - - context = *cptr; - - if( !context || !context->s ) - return(NULL); - - /* Skip leading blanks, '\'' or '}' */ - while(isspace(*(context->s)) || *(context->s)=='\'' /*|| *(context->s)=='}'*/ ) - context->s++; - - if( *(context->s) == '\0' ) - return(NULL); - - context->start = context->s; - if( *(context->start) == '{' ) - context->s = (char *)skip_matching_brackets(context->start); - else - context->s = (char *)search_next_space(context->start); - - /* end of string reached ? */ - if( context->s ) - { - *(context->s) = '\0'; - context->s++; - } - - /* Check if we reached a new attribute group */ - tmp = context->start; - while(isspace(*tmp)) - tmp++; - if( *tmp=='}' ) - { - void *prev_cptr = *vcptr; - - tmp+=2; /* We have 3*'\0' at the end of the string - this is legal! */ - if( *tmp!='\0' ) - { - const char *ret; - - /* Start the parser again */ - *vcptr = NULL; - ret = XpuEnumerateXpAttributeValue(tmp, vcptr); - - /* Free old context */ - XpuDisposeEnumerateXpAttributeValue(&prev_cptr); - - return(ret); - } - else - { - return(NULL); - } - } - - return(context->start); -} - -/* Get enumeration group for last string returned by |XpuEnumerateXpAttributeValue|... */ -static -const char *XpuGetCurrentAttributeGroup( void **vcptr ) -{ - XpuAttributeValueEnumeration **cptr = (XpuAttributeValueEnumeration **)vcptr; - if( !cptr ) - return(NULL); - if( !*cptr ) - return(NULL); - - return((*cptr)->group); -} - - -static -void XpuDisposeEnumerateXpAttributeValue( void **vc ) -{ - if( vc ) - { - XpuAttributeValueEnumeration *context = *((XpuAttributeValueEnumeration **)vc); - free(context->value); - if(context->group) - free(context->group); - free(context); - } -} - -/* parse a paper size string - * (example: '{na-letter False {6.3500 209.5500 6.3500 273.0500}}') */ -static -Bool XpuParseMediumSourceSize( const char *value, - const char **medium_name, int *mbool, - float *ma1, float *ma2, float *ma3, float *ma4 ) -{ - const char *s; - char *d, - *name; - char *boolbuf; - size_t value_len; - int num_input_items; - const char *cur_locale; - - if( value && value[0]!='{' && value[0]!='\0' ) - return(False); - - value_len = strlen(value); - - /* alloc buffer for |medium_name| and |boolbuf| in one step - * (both must be large enougth to hold at least |strlen(value)+1| bytes) */ - name = (char *)malloc(value_len*2 + 4); - boolbuf = name + value_len+2; /* |boolbuf| starts directly after |name| */ - - /* remove '{' && '}' */ - s = value; - d = name; - do - { - *d = tolower(*s); - - if( *s!='{' && *s!='}' ) - d++; - - s++; - } - while(*s); - *d = '\0'; - - /* separate medium name from string */ - d = (char *)search_next_space(name); - if( !d ) - { - free(name); - return(False); - } - *d = '\0'; - *medium_name = name; - - /* ... continue to parse the remaining string... */ - d++; - - - /* Force C/POSIX radix for scanf()-parsing (see bug 131831 ("Printing - * does not work in de_AT@euro locale")), do the parsing and restore - * the original locale. - * XXX: This may affect all threads and not only the calling one... - */ - { -#define CUR_LOCALE_SIZE 256 - char cur_locale[CUR_LOCALE_SIZE+1]; - strncpy(cur_locale, setlocale(LC_NUMERIC, NULL), CUR_LOCALE_SIZE); - cur_locale[CUR_LOCALE_SIZE]='\0'; - setlocale(LC_NUMERIC, "C"); - num_input_items = sscanf(d, "%s %f %f %f %f", boolbuf, ma1, ma2, ma3, ma4); - setlocale(LC_NUMERIC, cur_locale); -#undef CUR_LOCALE_SIZE - } - - if( num_input_items != 5 ) - { - free(name); - return(False); - } - - if( !strcmp(boolbuf, "true") ) - *mbool = True; - else if( !strcmp(boolbuf, "false") ) - *mbool = False; - else - { - free(name); - return(False); - } - return(True); -} - - -/* parse a paper size string - * (example: '{na-letter False {6.3500 209.5500 6.3500 273.0500}}') */ -static -Bool XpuEnumerateMediumSourceSizes( Display *pdpy, XPContext pcontext, - const char **tray_name, - const char **medium_name, int *mbool, - float *ma1, float *ma2, float *ma3, float *ma4, - void **vcptr ) -{ - const char *medium_spec; - const char *value = NULL; - - if( pdpy && pcontext ) - { - value = XpGetOneAttribute(pdpy, pcontext, XPPrinterAttr, "medium-source-sizes-supported"); - if( !value ) - return(False); - } - - while(1) - { - medium_spec = XpuEnumerateXpAttributeValue(value, vcptr); - - if( value ) - { - XFree((void *)value); - value = NULL; - } - - /* enumeration done? */ - if( !medium_spec ) - return(False); - - if (XpuParseMediumSourceSize(medium_spec, - medium_name, mbool, - ma1, ma2, ma3, ma4)) - { - *tray_name = XpuGetCurrentAttributeGroup(vcptr); - return(True); - } - else - { - /* Should never ever happen! */ - fprintf(stderr, "XpuEnumerateMediumSourceSize: error parsing '%s'\n", medium_spec); - } - } - /* not reached */ -} - -static -void XpuDisposeEnumerateMediumSourceSizes( void **vc ) -{ - XpuDisposeEnumerateXpAttributeValue(vc); -} - - -/* future: Migrate this functionality into |XpGetPrinterList| - just do - * not pass a |Display *| to |XpGetPrinterList| - */ -XPPrinterList XpuGetPrinterList( const char *printer, int *res_list_count ) -{ - XPPrinterRec *rec = NULL; - int rec_count = 1; /* Allocate one more |XPPrinterRec| structure - * as terminator */ - char *sl; - const char *default_printer_name = XpuGetDefaultXpPrintername(); - int default_printer_rec_index = -1; - - if( !res_list_count ) - return(NULL); - - sl = strdup(XpuGetXpServerList()); - MAKE_STRING_WRITABLE(printer); - - if( sl != NULL ) - { - char *display; - char *tok_lasts; - - for( display = strtok_r(sl, XPServerListSeparators, &tok_lasts) ; - display != NULL ; - display = strtok_r(NULL, XPServerListSeparators, &tok_lasts) ) - { - Display *pdpy; - - if( (pdpy = XOpenDisplay(display)) != NULL ) - { - XPPrinterList list; - int list_count; - size_t display_len = strlen(display); - - /* get list of available printers... */ - list = XpGetPrinterList(pdpy, STRING_AS_WRITABLE(printer), &list_count); - - if( list && list_count ) - { - int i; - - for( i = 0 ; i < list_count ; i++ ) - { - char *s; - - /* Workaround for http://bugzilla.mozilla.org/show_bug.cgi?id=193499 - * ("Xprint print/print preview crashes Mozilla") where the Solaris - * Xprt may create invalid entries (e.g. |XpGetPrinterList| will - * return |list[i].name==NULL| due to empty lines in the printer list. - */ - if( !list[i].name ) - continue; - - rec_count++; - rec = (XPPrinterRec *)realloc(rec, sizeof(XPPrinterRec)*rec_count); - if( !rec ) /* failure */ - break; - - s = (char *)malloc(strlen(list[i].name)+display_len+4); - sprintf(s, "%s@%s", list[i].name, display); - rec[rec_count-2].name = s; - rec[rec_count-2].desc = (list[i].desc)?(strdup(list[i].desc)):(NULL); - - /* Test for default printer (if the user set one).*/ - if( default_printer_name ) - { - /* Default_printer_name may either contain the FQPN(=full - * qualified printer name ("foo@myhost:5") or just the name - * ("foo")) */ - if( (!strcmp(list[i].name, default_printer_name)) || - (!strcmp(s, default_printer_name)) ) - { - /* Remember index of default printer that we can swap it to - * the head of the array below... */ - default_printer_rec_index = rec_count-2; - } - } - } - - XpFreePrinterList(list); - } - - XCloseDisplay(pdpy); - } - } - - free(sl); - } - - if( rec ) - { - /* users: DO NOT COUNT ON THIS DETAIL - * (this is only to make current impl. of XpuFreePrinterList() easier) - * I may remove this implementation detail in a later revision of - * the library! - */ - rec[rec_count-1].name = NULL; - rec[rec_count-1].desc = NULL; - rec_count--; - } - else - { - rec_count = 0; - } - - /* The default printer is always the first one in the printer list... */ - if( (default_printer_rec_index != -1) && rec ) - { - XPPrinterRec tmp; - tmp = rec[0]; - rec[0] = rec[default_printer_rec_index]; - rec[default_printer_rec_index] = tmp; - } - - *res_list_count = rec_count; - FREE_WRITABLE_STRING(printer); - return(rec); -} - - -void XpuFreePrinterList( XPPrinterList list ) -{ - if( list ) - { - XPPrinterRec *curr = list; - - /* See the warning abouve about using this implementation detail for - * checking for the list's end... */ - while( curr->name != NULL ) - { - free(curr->name); - if(curr->desc) - free(curr->desc); - curr++; - } - - free(list); - } -} - -/* Set number of copies to print from this document */ -int XpuSetDocumentCopies( Display *pdpy, XPContext pcontext, long num_copies ) -{ - if( XpuGetSupportedDocAttributes(pdpy, pcontext) & XPUATTRIBUTESUPPORTED_COPY_COUNT) - { - XpuSetOneLongAttribute(pdpy, pcontext, XPDocAttr, "*copy-count", num_copies, XPAttrMerge); - return(1); - } - else - { - XPU_DEBUG_ONLY(printf("XpuSetContentOrientation: XPUATTRIBUTESUPPORTED_COPY_COUNT not supported\n")); - - /* Failure... */ - return(0); - } -} - -XpuMediumSourceSizeList XpuGetMediumSourceSizeList( Display *pdpy, XPContext pcontext, int *numEntriesPtr ) -{ - XpuMediumSourceSizeList list = NULL; - int rec_count = 1; /* allocate one more |XpuMediumSourceSizeRec| structure - * as terminator */ - Bool status; - float ma1, - ma2, - ma3, - ma4; - char *value; - void *tok_lasts; - const char *tray_name, - *medium_name; - int mbool; - const char *default_tray, - *default_medium; - int default_medium_rec_index = -1; - - default_tray = XpGetOneAttribute(pdpy, pcontext, XPDocAttr, "default-input-tray"); - if(!default_tray) - { - fprintf(stderr, "XpuGetMediumSourceSizeList: Internal error, no 'default-input-tray' found.\n"); - return(NULL); - } - default_medium = XpGetOneAttribute(pdpy, pcontext, XPDocAttr, "default-medium"); - if(!default_medium) - { - fprintf(stderr, "XpuGetMediumSourceSizeList: Internal error, no 'default-medium' found.\n"); - XFree((void *)default_tray); - return(NULL); - } - - for( status = XpuEnumerateMediumSourceSizes(pdpy, pcontext, &tray_name, &medium_name, &mbool, - &ma1, &ma2, &ma3, &ma4, &tok_lasts) ; - status != False ; - status = XpuEnumerateMediumSourceSizes(NULL, None, &tray_name, &medium_name, &mbool, - &ma1, &ma2, &ma3, &ma4, &tok_lasts) ) - { - rec_count++; - list = (XpuMediumSourceSizeRec *)realloc(list, sizeof(XpuMediumSourceSizeRec)*rec_count); - if( !list ) - return(NULL); - - list[rec_count-2].tray_name = (tray_name)?(strdup(tray_name)):(NULL); - list[rec_count-2].medium_name = strdup(medium_name); - list[rec_count-2].mbool = mbool; - list[rec_count-2].ma1 = ma1; - list[rec_count-2].ma2 = ma2; - list[rec_count-2].ma3 = ma3; - list[rec_count-2].ma4 = ma4; - - /* Default medium ? */ - if( (!strcmp(medium_name, default_medium)) && - ((tray_name && (*default_tray))?(!strcmp(tray_name, default_tray)):(True)) ) - { - default_medium_rec_index = rec_count-2; - } - } - - XpuDisposeEnumerateMediumSourceSizes(&tok_lasts); - - if( list ) - { - /* users: DO NOT COUNT ON THIS DETAIL - * (this is only to make current impl. of XpuFreeMediumSourceSizeList() easier) - * I may remove this implementation detail in a later revision of - * the library! */ - list[rec_count-1].tray_name = NULL; - list[rec_count-1].medium_name = NULL; - rec_count--; - } - else - { - rec_count = 0; - } - - /* Make the default medium always the first item in the list... */ - if( (default_medium_rec_index != -1) && list ) - { - XpuMediumSourceSizeRec tmp; - tmp = list[0]; - list[0] = list[default_medium_rec_index]; - list[default_medium_rec_index] = tmp; - } - - *numEntriesPtr = rec_count; - return(list); -} - -void XpuFreeMediumSourceSizeList( XpuMediumSourceSizeList list ) -{ - if( list ) - { - XpuMediumSourceSizeRec *curr = list; - - /* See the warning abouve about using this implementation detail for - * checking for the list's end... */ - while( curr->medium_name != NULL ) - { - if( curr->tray_name) - free((void *)curr->tray_name); - free((void *)curr->medium_name); - curr++; - } - - free(list); - } -} - -static -int XpuSetMediumSourceSize( Display *pdpy, XPContext pcontext, XPAttributes type, XpuMediumSourceSizeRec *medium_spec ) -{ - /* Set the "default-medium" and "*default-input-tray" - * (if |XpuEnumerateMediumSourceSizes| returned one) XPDocAttr's - * attribute and return */ - if (medium_spec->tray_name) - { - XpuSetOneAttribute(pdpy, pcontext, type, "*default-input-tray", medium_spec->tray_name, XPAttrMerge); - } - XpuSetOneAttribute(pdpy, pcontext, type, "*default-medium", medium_spec->medium_name, XPAttrMerge); - - return( 1 ); -} - -/* Set document medium size */ -int XpuSetDocMediumSourceSize( Display *pdpy, XPContext pcontext, XpuMediumSourceSizeRec *medium_spec ) -{ - XpuSupportedFlags doc_supported_flags; - - doc_supported_flags = XpuGetSupportedDocAttributes(pdpy, pcontext); - - if( (doc_supported_flags & XPUATTRIBUTESUPPORTED_DEFAULT_MEDIUM) == 0 ) - return( 0 ); - - if (medium_spec->tray_name) - { - if( (doc_supported_flags & XPUATTRIBUTESUPPORTED_DEFAULT_INPUT_TRAY) == 0 ) - return( 0 ); - } - - return XpuSetMediumSourceSize(pdpy, pcontext, XPDocAttr, medium_spec); -} - -/* Set page medium size */ -int XpuSetPageMediumSourceSize( Display *pdpy, XPContext pcontext, XpuMediumSourceSizeRec *medium_spec ) -{ - XpuSupportedFlags page_supported_flags; - - page_supported_flags = XpuGetSupportedPageAttributes(pdpy, pcontext); - - if( (page_supported_flags & XPUATTRIBUTESUPPORTED_DEFAULT_MEDIUM) == 0 ) - return( 0 ); - - if (medium_spec->tray_name) - { - if( (page_supported_flags & XPUATTRIBUTESUPPORTED_DEFAULT_INPUT_TRAY) == 0 ) - return( 0 ); - } - - return XpuSetMediumSourceSize(pdpy, pcontext, XPPageAttr, medium_spec); -} - -#ifndef ABS -#define ABS(x) ((x)<0?-(x):(x)) -#endif /* ABS */ -#define MORE_OR_LESS_EQUAL(a, b, tolerance) (ABS((a) - (b)) <= (tolerance)) - -XpuMediumSourceSizeRec * -XpuFindMediumSourceSizeBySize( XpuMediumSourceSizeList mlist, int mlist_count, - float page_width_mm, float page_height_mm, float tolerance ) -{ - int i; - for( i = 0 ; i < mlist_count ; i++ ) - { - XpuMediumSourceSizeRec *curr = &mlist[i]; - float total_width = curr->ma1 + curr->ma2, - total_height = curr->ma3 + curr->ma4; - - /* Match width/height*/ - if( ((page_width_mm !=-1.f)?(MORE_OR_LESS_EQUAL(total_width, page_width_mm, tolerance)):(True)) && - ((page_height_mm!=-1.f)?(MORE_OR_LESS_EQUAL(total_height, page_height_mm, tolerance)):(True)) ) - { - return(curr); - } - } - - return(NULL); -} - -XpuMediumSourceSizeRec * -XpuFindMediumSourceSizeByBounds( XpuMediumSourceSizeList mlist, int mlist_count, - float m1, float m2, float m3, float m4, float tolerance ) -{ - int i; - for( i = 0 ; i < mlist_count ; i++ ) - { - XpuMediumSourceSizeRec *curr = &mlist[i]; - - /* Match bounds */ - if( ((m1!=-1.f)?(MORE_OR_LESS_EQUAL(curr->ma1, m1, tolerance)):(True)) && - ((m2!=-1.f)?(MORE_OR_LESS_EQUAL(curr->ma2, m2, tolerance)):(True)) && - ((m3!=-1.f)?(MORE_OR_LESS_EQUAL(curr->ma3, m3, tolerance)):(True)) && - ((m4!=-1.f)?(MORE_OR_LESS_EQUAL(curr->ma4, m4, tolerance)):(True)) ) - { - return(curr); - } - } - - return(NULL); -} - -XpuMediumSourceSizeRec * -XpuFindMediumSourceSizeByName( XpuMediumSourceSizeList mlist, int mlist_count, - const char *tray_name, const char *medium_name ) -{ - int i; - for( i = 0 ; i < mlist_count ; i++ ) - { - XpuMediumSourceSizeRec *curr = &mlist[i]; - - /* Match by tray name and/or medium name */ - if( ((tray_name && curr->tray_name)?(!strcasecmp(curr->tray_name, tray_name)):(tray_name==NULL)) && - ((medium_name)?(!strcasecmp(curr->medium_name, medium_name)):(True)) ) - { - return(curr); - } - } - - return(NULL); -} - -XpuResolutionList XpuGetResolutionList( Display *pdpy, XPContext pcontext, int *numEntriesPtr ) -{ - XpuResolutionList list = NULL; - int rec_count = 1; /* Allocate one more |XpuResolutionRec| structure - * as terminator */ - char *value; - char *tok_lasts; - const char *s; - long default_resolution = -1; - int default_resolution_rec_index = -1; - char namebuf[64]; - - /* Get default document resolution */ - if( XpuGetOneLongAttribute(pdpy, pcontext, XPDocAttr, "default-printer-resolution", &default_resolution) != 1 ) - { - default_resolution = -1; - } - - value = XpGetOneAttribute(pdpy, pcontext, XPPrinterAttr, "printer-resolutions-supported"); - if (!value) - { - fprintf(stderr, "XpuGetResolutionList: Internal error, no 'printer-resolutions-supported' XPPrinterAttr found.\n"); - return(NULL); - } - - for( s = strtok_r(value, " ", &tok_lasts) ; - s != NULL ; - s = strtok_r(NULL, " ", &tok_lasts) ) - { - long tmp; - - tmp = strtol(s, (char **)NULL, 10); - - if( ((tmp == 0L) || (tmp == LONG_MIN) || (tmp == LONG_MAX)) && - ((errno == ERANGE) || (errno == EINVAL)) ) - { - fprintf(stderr, "XpuGetResolutionList: Internal parser errror for '%s'.\n", s); - continue; - } - - rec_count++; - list = (XpuResolutionRec *)realloc(list, sizeof(XpuResolutionRec)*rec_count); - if( !list ) - return(NULL); - - sprintf(namebuf, "%lddpi", tmp); - list[rec_count-2].name = strdup(namebuf); - list[rec_count-2].x_dpi = tmp; - list[rec_count-2].y_dpi = tmp; - - if( default_resolution != -1 ) - { - /* Is this the default resolution ? */ - if( (list[rec_count-2].x_dpi == default_resolution) && - (list[rec_count-2].y_dpi == default_resolution) ) - { - default_resolution_rec_index = rec_count-2; - } - } - } - - XFree(value); - - if( list ) - { - /* users: DO NOT COUNT ON THIS DETAIL - * (this is only to make current impl. of XpuGetResolutionList() easier) - * We may remove this implementation detail in a later revision of - * the library! */ - list[rec_count-1].name = NULL; - list[rec_count-1].x_dpi = -1; - list[rec_count-1].y_dpi = -1; - rec_count--; - } - else - { - rec_count = 0; - } - - /* Make the default resolution always the first item in the list... */ - if( (default_resolution_rec_index != -1) && list ) - { - XpuResolutionRec tmp; - tmp = list[0]; - list[0] = list[default_resolution_rec_index]; - list[default_resolution_rec_index] = tmp; - } - - *numEntriesPtr = rec_count; - return(list); -} - -void XpuFreeResolutionList( XpuResolutionList list ) -{ - if( list ) - { - XpuResolutionRec *curr = list; - - /* See the warning abouve about using this implementation detail for - * checking for the list's end... */ - while( curr->name != NULL ) - { - free((void *)curr->name); - curr++; - } - - free(list); - } -} - -/* Find resolution in resolution list. - */ -XpuResolutionRec *XpuFindResolutionByName( XpuResolutionList list, int list_count, const char *name) -{ - int i; - - for( i = 0 ; i < list_count ; i++ ) - { - XpuResolutionRec *curr = &list[i]; - if (!strcasecmp(curr->name, name)) - return curr; - - /* Search by plain DPI value (no "dpi" suffix )*/ - if (curr->x_dpi == curr->x_dpi) - { - char buf[32]; - sprintf(buf, "%ld", curr->x_dpi); - if (!strcasecmp(buf, name)) - return curr; - } - } - - return NULL; -} - -/* Get default page (if defined) or document resolution - * this function may fail in the following conditions: - * - No default resolution set yet - * - X DPI != Y DPI (not yet implemented in Xprt) - */ -Bool XpuGetResolution( Display *pdpy, XPContext pcontext, long *x_dpi_ptr, long *y_dpi_ptr ) -{ - long dpi; - - /* Try to get the current page's resolution (pages may differ in resolution if the DDX supports this) */ - if( XpuGetOneLongAttribute(pdpy, pcontext, XPPageAttr, "default-printer-resolution", &dpi) == 1 ) - { - *x_dpi_ptr = dpi; - *y_dpi_ptr = dpi; - return True; - } - - /* Get document resolution */ - if( XpuGetOneLongAttribute(pdpy, pcontext, XPDocAttr, "default-printer-resolution", &dpi) == 1 ) - { - *x_dpi_ptr = dpi; - *y_dpi_ptr = dpi; - return True; - } - - return False; -} - -static -int XpuSetResolution( Display *pdpy, XPContext pcontext, XPAttributes type, XpuResolutionRec *rec ) -{ - if( rec->x_dpi != rec->y_dpi ) - { - fprintf(stderr, "XpuSetResolution: internal error: x_dpi != y_dpi not supported yet.\n"); - return 0; - } - - XpuSetOneLongAttribute(pdpy, pcontext, type, "*default-printer-resolution", rec->x_dpi, XPAttrMerge); - return( 1 ); -} - -/* Set document resolution - * Retun error if printer does not support setting a resolution - */ -int XpuSetDocResolution( Display *pdpy, XPContext pcontext, XpuResolutionRec *rec ) -{ - if( (XpuGetSupportedDocAttributes(pdpy, pcontext) & XPUATTRIBUTESUPPORTED_DEFAULT_PRINTER_RESOLUTION) == 0 ) - return( 0 ); - - return XpuSetResolution(pdpy, pcontext, XPDocAttr, rec); -} - -/* Set page medium size - * Retun error if printer does not support setting a resolution or if per-page - * resolution changes are not allowed. - */ -int XpuSetPageResolution( Display *pdpy, XPContext pcontext, XpuResolutionRec *rec ) -{ - if( (XpuGetSupportedPageAttributes(pdpy, pcontext) & XPUATTRIBUTESUPPORTED_DEFAULT_PRINTER_RESOLUTION) == 0 ) - return( 0 ); - - return XpuSetResolution(pdpy, pcontext, XPPageAttr, rec); -} - -XpuOrientationList XpuGetOrientationList( Display *pdpy, XPContext pcontext, int *numEntriesPtr ) -{ - XpuOrientationList list = NULL; - int rec_count = 1; /* Allocate one more |XpuOrientationRec| - * structure as terminator */ - char *value; - char *tok_lasts; - const char *s; - const char *default_orientation = NULL; - int default_orientation_rec_index = -1; - - /* Get default document orientation */ - default_orientation = XpGetOneAttribute(pdpy, pcontext, XPDocAttr, "content-orientation"); - if( !default_orientation ) - { - fprintf(stderr, "XpuGetOrientationList: Internal error, no 'content-orientation' XPDocAttr found.\n"); - return(NULL); - } - - value = XpGetOneAttribute(pdpy, pcontext, XPPrinterAttr, "content-orientations-supported"); - if (!value) - { - fprintf(stderr, "XpuGetOrientationList: Internal error, no 'content-orientations-supported' XPPrinterAttr found.\n"); - return(NULL); - } - - for( s = strtok_r(value, " ", &tok_lasts) ; - s != NULL ; - s = strtok_r(NULL, " ", &tok_lasts) ) - { - rec_count++; - list = (XpuOrientationRec *)realloc(list, sizeof(XpuOrientationRec)*rec_count); - if( !list ) - return(NULL); - - list[rec_count-2].orientation = strdup(s); - - /* Default resolution ? */ - if( !strcmp(list[rec_count-2].orientation, default_orientation) ) - { - default_orientation_rec_index = rec_count-2; - } - } - - XFree(value); - XFree((void *)default_orientation); - - if( list ) - { - /* users: DO NOT COUNT ON THIS DETAIL - * (this is only to make current impl. of XpuFreeOrientationList() easier) - * I may remove this implementation detail in a later revision of - * the library! */ - list[rec_count-1].orientation = NULL; - rec_count--; - } - else - { - rec_count = 0; - } - - /* Make the default orientation always the first item in the list... */ - if( (default_orientation_rec_index != -1) && list ) - { - XpuOrientationRec tmp; - tmp = list[0]; - list[0] = list[default_orientation_rec_index]; - list[default_orientation_rec_index] = tmp; - } - - *numEntriesPtr = rec_count; - return(list); -} - -void XpuFreeOrientationList( XpuOrientationList list ) -{ - if( list ) - { - XpuOrientationRec *curr = list; - - /* See the warning abouve about using this implementation detail for - * checking for the list's end... */ - while( curr->orientation != NULL ) - { - free((void *)curr->orientation); - curr++; - } - free(list); - } -} - -XpuOrientationRec * -XpuFindOrientationByName( XpuOrientationList list, int list_count, const char *orientation ) -{ - int i; - - for( i = 0 ; i < list_count ; i++ ) - { - XpuOrientationRec *curr = &list[i]; - if (!strcasecmp(curr->orientation, orientation)) - return curr; - } - - return(NULL); -} - -static -int XpuSetOrientation( Display *pdpy, XPContext pcontext, XPAttributes type, XpuOrientationRec *rec ) -{ - XpuSetOneAttribute(pdpy, pcontext, type, "*content-orientation", rec->orientation, XPAttrMerge); - return(1); -} - -/* Set document orientation - * Retun error if printer does not support setting an orientation - */ -int XpuSetDocOrientation( Display *pdpy, XPContext pcontext, XpuOrientationRec *rec ) -{ - if( (XpuGetSupportedDocAttributes(pdpy, pcontext) & XPUATTRIBUTESUPPORTED_CONTENT_ORIENTATION) == 0 ) - return( 0 ); - - return XpuSetOrientation(pdpy, pcontext, XPDocAttr, rec); -} - -/* Set page orientation - * Retun error if printer does not support setting an orientation or if - * per-page orientations changes are not allowed - */ -int XpuSetPageOrientation( Display *pdpy, XPContext pcontext, XpuOrientationRec *rec ) -{ - if( (XpuGetSupportedPageAttributes(pdpy, pcontext) & XPUATTRIBUTESUPPORTED_CONTENT_ORIENTATION) == 0 ) - return( 0 ); - - return XpuSetOrientation(pdpy, pcontext, XPPageAttr, rec); -} - -XpuPlexList XpuGetPlexList( Display *pdpy, XPContext pcontext, int *numEntriesPtr ) -{ - XpuPlexList list = NULL; - int rec_count = 1; /* Allocate one more |XpuPlexList| structure - * as terminator */ - char *value; - char *tok_lasts; - const char *s; - const char *default_plex = NULL; - int default_plex_rec_index = -1; - - /* Get default document plex */ - default_plex = XpGetOneAttribute(pdpy, pcontext, XPDocAttr, "plex"); - if( !default_plex ) - { - fprintf(stderr, "XpuGetPlexList: Internal error, no 'plex' XPDocAttr found.\n"); - return(NULL); - } - - value = XpGetOneAttribute(pdpy, pcontext, XPPrinterAttr, "plexes-supported"); - if (!value) - { - fprintf(stderr, "XpuGetPlexList: Internal error, no 'plexes-supported' XPPrinterAttr found.\n"); - return(NULL); - } - - for( s = strtok_r(value, " ", &tok_lasts) ; - s != NULL ; - s = strtok_r(NULL, " ", &tok_lasts) ) - { - rec_count++; - list = (XpuPlexRec *)realloc(list, sizeof(XpuPlexRec)*rec_count); - if( !list ) - return(NULL); - - list[rec_count-2].plex = strdup(s); - - /* Default plex ? */ - if( !strcmp(list[rec_count-2].plex, default_plex) ) - { - default_plex_rec_index = rec_count-2; - } - } - - XFree(value); - XFree((void *)default_plex); - - if( list ) - { - /* users: DO NOT COUNT ON THIS DETAIL - * (this is only to make current impl. of XpuFreePlexList() easier) - * I may remove this implementation detail in a later revision of - * the library! */ - list[rec_count-1].plex = NULL; - rec_count--; - } - else - { - rec_count = 0; - } - - /* Make the default plex always the first item in the list... */ - if( (default_plex_rec_index != -1) && list ) - { - XpuPlexRec tmp; - tmp = list[0]; - list[0] = list[default_plex_rec_index]; - list[default_plex_rec_index] = tmp; - } - - *numEntriesPtr = rec_count; - return(list); -} - -void XpuFreePlexList( XpuPlexList list ) -{ - if( list ) - { - XpuPlexRec *curr = list; - - /* See the warning abouve about using this implementation detail for - * checking for the list's end... */ - while( curr->plex != NULL ) - { - free((void *)curr->plex); - curr++; - } - free(list); - } -} - -XpuPlexRec * -XpuFindPlexByName( XpuPlexList list, int list_count, const char *plex ) -{ - int i; - - for( i = 0 ; i < list_count ; i++ ) - { - XpuPlexRec *curr = &list[i]; - if (!strcasecmp(curr->plex, plex)) - return curr; - } - - return(NULL); -} - -static -int XpuSetContentPlex( Display *pdpy, XPContext pcontext, XPAttributes type, XpuPlexRec *rec ) -{ - XpuSetOneAttribute(pdpy, pcontext, type, "*plex", rec->plex, XPAttrMerge); - return(1); -} - -/* Set document plex - * Retun error if printer does not support setting an plex - */ -int XpuSetDocPlex( Display *pdpy, XPContext pcontext, XpuPlexRec *rec ) -{ - if( (XpuGetSupportedDocAttributes(pdpy, pcontext) & XPUATTRIBUTESUPPORTED_PLEX) == 0 ) - return( 0 ); - - return XpuSetContentPlex(pdpy, pcontext, XPDocAttr, rec); -} - -/* Set page plex - * Retun error if printer does not support setting an plex or if - * per-page plex changes are not allowed - */ -int XpuSetPagePlex( Display *pdpy, XPContext pcontext, XpuPlexRec *rec ) -{ - if( (XpuGetSupportedPageAttributes(pdpy, pcontext) & XPUATTRIBUTESUPPORTED_PLEX) == 0 ) - return( 0 ); - - return XpuSetContentPlex(pdpy, pcontext, XPPageAttr, rec); -} - - -XpuColorspaceList XpuGetColorspaceList( Display *pdpy, XPContext pcontext, int *numEntriesPtr ) -{ - XpuColorspaceList list = NULL; - int rec_count = 1; /* Allocate one more |XpuColorspaceRec| structure - * as terminator */ - char namebuf[256]; /* Temporary name buffer for colorspace names */ - int i; /* Loop counter */ - int nvi; /* Number of visuals */ - Screen *pscreen; /* Print screen */ - XVisualInfo viproto; /* fill in for getting info */ - XVisualInfo *vip; /* retured info */ - - pscreen = XpGetScreenOfContext(pdpy, pcontext); - - nvi = 0; - viproto.screen = XScreenNumberOfScreen(pscreen); - vip = XGetVisualInfo(pdpy, VisualScreenMask, &viproto, &nvi); - if (!vip) - { - fprintf(stderr, "XpuGetColorspaceList: Internal error: vip == NULL\n"); - return NULL; - } - - for( i = 0 ; i < nvi ; i++ ) - { - XVisualInfo *vcurr = vip+i; - char cbuff[64]; - const char *class = NULL; - -#ifdef USE_MOZILLA_TYPES - /* Workaround for the current limitation of the gfx/src/xlibrgb code - * which cannot handle depths > 24bit yet */ - if( vcurr->depth > 24 ) - continue; -#endif /* USE_MOZILLA_TYPES */ - - rec_count++; - list = (XpuColorspaceRec *)realloc(list, sizeof(XpuColorspaceRec)*rec_count); - if( !list ) - return NULL; - - /* ToDO: This needs to be updated for the COLORSPACE X11 extension - * once it is ready and approved by the XOrg arch board. */ - switch (vcurr->class) { - case StaticGray: class = "StaticGray"; break; - case GrayScale: class = "GrayScale"; break; - case StaticColor: class = "StaticColor"; break; - case PseudoColor: class = "PseudoColor"; break; - case TrueColor: class = "TrueColor"; break; - case DirectColor: class = "DirectColor"; break; - default: /* Needed for forward compatibility to the COLORSPACE extension */ - sprintf (cbuff, "unknown_class_%x", vcurr->class); - class = cbuff; - break; - } - - if (vcurr->bits_per_rgb == 8) - { - sprintf(namebuf, "%s/%dbit", class, vcurr->depth); - } - else - { - sprintf(namebuf, "%s/%dbit/%dbpg", class, vcurr->depth, vcurr->bits_per_rgb); - } - list[rec_count-2].name = strdup(namebuf); - list[rec_count-2].visualinfo = *vcurr; - } - - XFree((char *)vip); - - if( list ) - { - /* users: DO NOT COUNT ON THIS DETAIL - * (this is only to make current impl. of XpuGetResolutionList() easier) - * We may remove this implementation detail in a later revision of - * the library! */ - list[rec_count-1].name = NULL; - rec_count--; - } - else - { - rec_count = 0; - } - - *numEntriesPtr = rec_count; - return(list); -} - -void XpuFreeColorspaceList( XpuColorspaceList list ) -{ - if( list ) - { - XpuColorspaceRec *curr = list; - - /* See the warning abouve about using this implementation detail for - * checking for the list's end... */ - while( curr->name != NULL ) - { - free((void *)curr->name); - curr++; - } - - free(list); - } -} - -XpuColorspaceRec * -XpuFindColorspaceByName( XpuColorspaceList list, int list_count, const char *name ) -{ - int i; - - for( i = 0 ; i < list_count ; i++ ) - { - XpuColorspaceRec *curr = &list[i]; - if (!strcmp(curr->name, name)) - return curr; - } - - return(NULL); -} - -Bool XpuGetEnableFontDownload( Display *pdpy, XPContext pcontext ) -{ - Bool enableFontDownload; - char *value; - - value = XpGetOneAttribute(pdpy, pcontext, XPPrinterAttr, "xp-listfonts-modes-supported"); - if( !value ) - { - fprintf(stderr, "XpuGetEnableFontDownload: xp-listfonts-modes-supported printer attribute not found.\n"); - return False; - } - - enableFontDownload = (strstr(value, "xp-list-glyph-fonts") != NULL); - XFree(value); - return enableFontDownload; -} - -int XpuSetEnableFontDownload( Display *pdpy, XPContext pcontext, Bool enableFontDownload ) -{ - char *value, - *newvalue; - - value = XpGetOneAttribute(pdpy, pcontext, XPPrinterAttr, "xp-listfonts-modes-supported"); - if( !value ) - { - fprintf(stderr, "XpuSetEnableFontDownload: xp-listfonts-modes-supported printer attribute not found.\n"); - return 0; /* failure */ - } - - /* Set "xp-list-glyph-fonts" */ - if( enableFontDownload ) - { - /* Return success if "xp-list-glyph-fonts" is already set */ - if( strstr(value, "xp-list-glyph-fonts") != NULL ) - { - XFree(value); - return 1; /* success */ - } - - newvalue = malloc(strlen(value) + 33); - if( !newvalue ) - { - XFree(value); - return 0; /* failure */ - } - - sprintf(newvalue, "%s xp-list-glyph-fonts", value); - XpuSetOneAttribute(pdpy, pcontext, XPDocAttr, "*xp-listfonts-modes", newvalue, XPAttrMerge); - - free(newvalue); - XFree(value); - return 1; /* success */ - } - else - { - char *s, /* copy string "source" */ - *d; /* copy string "destination" */ - - /* Return success if "xp-list-glyph-fonts" not set */ - d = strstr(value, "xp-list-glyph-fonts"); - if( d == NULL ) - { - XFree(value); - return 1; /* success */ - } - - /* strip "xp-list-glyph-fonts" from |value| */ - s = d+19/*strlen("xp-list-glyph-fonts")*/; - while( (*d++ = *s++) != '\0' ) - ; - - XpuSetOneAttribute(pdpy, pcontext, XPDocAttr, "*xp-listfonts-modes", value, XPAttrMerge); - - XFree(value); - return 1; /* success */ - } -} - -/* Return flags to indicate which attributes are supported and which not... */ -static -XpuSupportedFlags XpuGetSupportedAttributes( Display *pdpy, XPContext pcontext, XPAttributes type, const char *attribute_name ) -{ - char *value; - void *tok_lasts; - XpuSupportedFlags flags = 0; - - MAKE_STRING_WRITABLE(attribute_name); - if( attribute_name == NULL ) - return(0); - - value = XpGetOneAttribute(pdpy, pcontext, type, STRING_AS_WRITABLE(attribute_name)); - - FREE_WRITABLE_STRING(attribute_name); - - if( value != NULL ) - { - const char *s; - - for( s = XpuEnumerateXpAttributeValue(value, &tok_lasts) ; s != NULL ; s = XpuEnumerateXpAttributeValue(NULL, &tok_lasts) ) - { - if( !strcmp(s, "job-name") ) flags |= XPUATTRIBUTESUPPORTED_JOB_NAME; - else if( !strcmp(s, "job-owner") ) flags |= XPUATTRIBUTESUPPORTED_JOB_OWNER; - else if( !strcmp(s, "notification-profile") ) flags |= XPUATTRIBUTESUPPORTED_NOTIFICATION_PROFILE; - else if( !strcmp(s, "copy-count") ) flags |= XPUATTRIBUTESUPPORTED_COPY_COUNT; - else if( !strcmp(s, "document-format") ) flags |= XPUATTRIBUTESUPPORTED_DOCUMENT_FORMAT; - else if( !strcmp(s, "content-orientation") ) flags |= XPUATTRIBUTESUPPORTED_CONTENT_ORIENTATION; - else if( !strcmp(s, "default-printer-resolution") ) flags |= XPUATTRIBUTESUPPORTED_DEFAULT_PRINTER_RESOLUTION; - else if( !strcmp(s, "default-input-tray") ) flags |= XPUATTRIBUTESUPPORTED_DEFAULT_INPUT_TRAY; - else if( !strcmp(s, "default-medium") ) flags |= XPUATTRIBUTESUPPORTED_DEFAULT_MEDIUM; - else if( !strcmp(s, "plex") ) flags |= XPUATTRIBUTESUPPORTED_PLEX; - else if( !strcmp(s, "xp-listfonts-modes") ) flags |= XPUATTRIBUTESUPPORTED_LISTFONTS_MODES; - } - - XpuDisposeEnumerateXpAttributeValue(&tok_lasts); - XFree(value); - } - - return(flags); -} - -XpuSupportedFlags XpuGetSupportedJobAttributes(Display *pdpy, XPContext pcontext) -{ - return XpuGetSupportedAttributes(pdpy, pcontext, XPPrinterAttr, "job-attributes-supported"); -} - -XpuSupportedFlags XpuGetSupportedDocAttributes(Display *pdpy, XPContext pcontext) -{ - return XpuGetSupportedAttributes(pdpy, pcontext, XPPrinterAttr, "document-attributes-supported"); -} - -XpuSupportedFlags XpuGetSupportedPageAttributes(Display *pdpy, XPContext pcontext) -{ - return XpuGetSupportedAttributes(pdpy, pcontext, XPPrinterAttr, "xp-page-attributes-supported"); -} - -/* Encode string for usage in a Xrm resource database as - * defined in X(7): [...] To allow a Value to begin - * with whitespace, the two-character sequence ``\space'' - * (backslash followed by space) is recognized and replaced by - * a space character, and the two-character sequence ``\tab'' - * (backslash followed by horizontal tab) is recognized and - * replaced by a horizontal tab character. To allow a Value to - * contain embedded newline characters, the two-character - * sequence ``\n'' is recognized and replaced by a newline - * character. To allow a Value to be broken across multiple - * lines in a text file, the two-character sequence ``\new- - * line'' (backslash followed by newline) is recognized and - * removed from the value. To allow a Value to contain arbi- - * trary character codes, the four-character sequence ``\nnn'', - * where each n is a digit character in the range of - * ``0''-``7'', is recognized and replaced with a single byte - * that contains the octal value specified by the sequence. - * Finally, the two-character sequence ``\\'' is recognized and - * replaced with a single backslash. - */ -char *XpuResourceEncode( const char *s ) -{ - size_t slen; - char *res; - char *d; - int i, - c; - - slen = strlen(s); - res = malloc(slen*4+1); - if (!res) - return NULL; - - d = res; - i = slen; - while (i--) { - c = *s++; - if (c == '\n') { - if (i) { - *d++ = '\\'; - *d++ = 'n'; - *d++ = '\\'; - *d++ = '\n'; - } - else { - *d++ = '\\'; - *d++ = 'n'; - } - } else if (c == '\\') { - *d++ = '\\'; - *d++ = '\\'; - } - else if ((c < ' ' && c != '\t') || - ((unsigned char)c >= 0x7F && (unsigned char)c < 0xA0)) { - sprintf(d, "\\%03o", (unsigned char)c); - d += 4; - } - else { - *d++ = c; - } - } - - *d = '\0'; - - return res; -} - -#ifdef XXXJULIEN_NOTNOW -char *XpuResourceDecode( const char *str ) -{ -} -#endif /* XXXJULIEN_NOTNOW */ - -void XpuResourceFreeString( char *s ) -{ - free(s); -} - -const char *XpuXmbToCompoundText(Display *dpy, const char *xmbtext) -{ - XTextProperty xtp; - int xcr; - char *xtl[2]; - char *ct; - - if (strlen(xmbtext) == 0) - return strdup(xmbtext); - - memset(&xtp, 0, sizeof(xtp)); - xtl[0] = (char *)xmbtext; - xtl[1] = NULL; - - xcr = XmbTextListToTextProperty(dpy, xtl, 1, XCompoundTextStyle, &xtp); - - if (xcr == XNoMemory || xcr == XLocaleNotSupported) - { - fprintf(stderr, "XpuXmbToCompoundText: XmbTextListToTextProperty failure.\n"); - return strdup(xmbtext); - } - - /* Did conversion succeed (some unconvertible characters - * are not a problem) ? */ - if ( !((xcr == Success) || (xcr > 0)) || - (xtp.value == NULL)) - { - fprintf(stderr, "XpuXmbToCompoundText: XmbTextListToTextProperty failure 2.\n"); - return strdup(xmbtext); - } - - ct = malloc(xtp.nitems+1); - if (!ct) - { - XFree(xtp.value); - return NULL; - } - memcpy(ct, xtp.value, xtp.nitems); - ct[xtp.nitems] = '\0'; - - XFree(xtp.value); - - return ct; -} - -void XpuFreeCompundTextString( const char *s ) -{ - free((void *)s); -} - -const char *XpuCompoundTextToXmb(Display *dpy, const char *ct) -{ - XTextProperty xtp; - int xcr; - char **xtl = NULL; - int xtl_count = 0; - char *xmb; - int xmb_len = 0; - int i; - - if (strlen(ct) == 0) - return strdup(ct); - - xtp.value = (unsigned char *)ct; - xtp.nitems = strlen(ct); - xtp.encoding = XInternAtom(dpy, "COMPOUND_TEXT", False); - xtp.format = 8; - - xcr = XmbTextPropertyToTextList(dpy, &xtp, &xtl, &xtl_count); - - if (xcr == XNoMemory || xcr == XLocaleNotSupported) - { - fprintf(stderr, "XpuCompoundTextToXmb: XmbTextPropertyToTextList failure 1.\n"); - return strdup(ct); - } - - /* Did conversion succeed (some unconvertible characters - * are not a problem) ? */ - if ( !((xcr == Success) || (xcr > 0)) || - (xtl == NULL)) - { - fprintf(stderr, "XpuCompoundTextToXmb: XmbTextPropertyToTextList failure 2.\n"); - return strdup(ct); - } - - for (i = 0; i < xtl_count; i++) - { - xmb_len += strlen(xtl[i]); - } - xmb = malloc (xmb_len + 1); - if (!xmb) - { - XFreeStringList(xtl); - return NULL; - } - xmb[0] = '\0'; /* Catch zero-length case */ - for (i = 0; i < xtl_count; i++) - { - strcat(xmb, xtl[i]); - } - - XFreeStringList(xtl); - - return xmb; -} - -void XpuFreeXmbString( const char *s ) -{ - free((void *)s); -} - -/* EOF. */ diff --git a/lib/libXprintUtil/src/xprintutil_printtofile.c b/lib/libXprintUtil/src/xprintutil_printtofile.c deleted file mode 100644 index 331e7ad5b..000000000 --- a/lib/libXprintUtil/src/xprintutil_printtofile.c +++ /dev/null @@ -1,498 +0,0 @@ -/****************************************************************************** - ****************************************************************************** - ** - ** (c) Copyright 2001-2004 Roland Mainz <roland.mainz@nrubsig.org> - ** - ** Permission is hereby granted, free of charge, to any person obtaining a copy - ** of this software and associated documentation files (the "Software"), to deal - ** in the Software without restriction, including without limitation the rights - ** to use, copy, modify, merge, publish, distribute, sublicense, and/or sell - ** copies of the Software, and to permit persons to whom the Software is - ** furnished to do so, subject to the following conditions: - ** - ** The above copyright notice and this permission notice shall be included in - ** all copies or substantial portions of the Software. - ** - ** THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR - ** IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, - ** FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE - ** COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER - ** IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN - ** CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. - ** - ** Except as contained in this notice, the names of the copyright holders shall - ** not be used in advertising or otherwise to promote the sale, use or other - ** dealings in this Software without prior written authorization from said - ** copyright holders. - ** - ****************************************************************************** - *****************************************************************************/ - -#include "xprintutil.h" - -#include <stdlib.h> -#include <string.h> -#include <stdio.h> -#include <limits.h> -#include <errno.h> -#ifdef XPU_USE_THREADS -#include <time.h> -#ifdef XPU_USE_NSPR -#include <prthread.h> -#else -#include <pthread.h> -#endif /* XPU_USE_NSPR */ -#endif /* XPU_USE_THREADS */ -#include <unistd.h> -#include <sys/time.h> -#include <sys/types.h> -#include <sys/wait.h> - -/* local prototypes */ -#ifdef DEBUG -static void PrintXPGetDocStatus( XPGetDocStatus status ); -#endif -static Bool XNextEventTimeout( Display *display, XEvent *event_return, struct timeval *timeout ); -static void *XpuPrintToFile( Display *pdpy, XPContext pcontext, const char *filename ); -static void MyPrintToFileProc( Display *pdpy, XPContext pcontext, unsigned char *data, unsigned int data_len, XPointer client_data ); -static void MyFinishProc( Display *pdpy, XPContext pcontext, XPGetDocStatus status, XPointer client_data ); -#ifdef XPU_USE_NSPR -static void PrintToFile_Consumer( void *handle ); -#else -static void *PrintToFile_Consumer( void *handle ); -#endif - -void XpuStartJobToSpooler(Display *pdpy) -{ - XpStartJob(pdpy, XPSpool); -} - -void *XpuStartJobToFile( Display *pdpy, XPContext pcontext, const char *filename ) -{ - void *handle; - - XpStartJob(pdpy, XPGetData); - handle = XpuPrintToFile(pdpy, pcontext, filename); - - if (!handle) - { - /* Cancel the print job and discard all events... */ - XpCancelJob(pdpy, True); - } - - return(handle); -} - -#ifdef DEBUG -/* DEBUG: Print XPGetDocStatus */ -static -void PrintXPGetDocStatus( XPGetDocStatus status ) -{ - switch(status) - { - case XPGetDocFinished: puts("PrintXPGetDocStatus: XPGetDocFinished"); break; - case XPGetDocSecondConsumer: puts("PrintXPGetDocStatus: XPGetDocSecondConsumer"); break; - case XPGetDocError: puts("PrintXPGetDocStatus: XPGetDocError"); break; - default: puts("PrintXPGetDocStatus: <unknown value"); break; - } -} -#endif /* DEBUG */ - - -/* XNextEvent() with timeout */ -static -Bool XNextEventTimeout( Display *display, XEvent *event_return, struct timeval *timeout ) -{ - int res; - fd_set readfds; - int display_fd = XConnectionNumber(display); - - /* small shortcut... */ - if( timeout == NULL ) - { - XNextEvent(display, event_return); - return(True); - } - - FD_ZERO(&readfds); - FD_SET(display_fd, &readfds); - - /* Note/bug: In the case of internal X events (like used to trigger callbacks - * registered by XpGetDocumentData()&co.) select() will return with "new info" - * - but XNextEvent() below processes these _internal_ events silently - and - * will block if there are no other non-internal events. - * The workaround here is to check with XEventsQueued() if there are non-internal - * events queued - if not select() will be called again - unfortunately we use - * the old timeout here instead of the "remaining" time... (this only would hurt - * if the timeout would be really long - but for current use with values below - * 1/2 secs it does not hurt... =:-) - */ - while( XEventsQueued(display, QueuedAfterFlush) == 0 ) - { - res = select(display_fd+1, &readfds, NULL, NULL, timeout); - - switch(res) - { - case -1: /* select() error - should not happen */ - perror("XNextEventTimeout: select() failure"); - return(False); - case 0: /* timeout */ - return(False); - } - } - - XNextEvent(display, event_return); - return(True); -} - - -#ifdef XPU_USE_THREADS -/** - ** XpuPrintToFile() - threaded version - ** Create consumer thread which creates it's own display connection to print server - ** (a 2nd display connection/thread is required to avoid deadlocks within Xlib), - ** registers (Xlib-internal) consumer callback (via XpGetDocumentData(3Xp)) and - ** processes/eats all incoming events via MyPrintToFileProc(). A final call to - ** MyPrintToFileProc() cleans-up all stuff and sets the "done" flag. - ** Note that these callbacks are called directly by Xlib while waiting for events in - ** XNextEvent() because XpGetDocumentData() registeres them as "internal" callbacks, - ** e.g. XNextEvent() does _not_ return before/after processing these events !! - ** - ** Usage: - ** XpStartJob(pdpy, XPGetData); - ** handle = XpuPrintToFile(pdpy, pcontext, "myfile"); - ** // render something - ** XpEndJob(); // or XpCancelJob() - ** status = XpuWaitForPrintFileChild(handle); - ** - */ - -typedef struct -{ -#ifdef XPU_USE_NSPR - PRThread *prthread; -#else - pthread_t tid; -#endif - char *displayname; - Display *pdpy; - Display *parent_pdpy; - XPContext pcontext; - const char *file_name; - FILE *file; - XPGetDocStatus status; - Bool done; -} MyPrintFileData; - - -static -void *XpuPrintToFile( Display *pdpy, XPContext pcontext, const char *filename ) -{ - MyPrintFileData *mpfd; /* warning: shared between threads !! */ - - if( (mpfd = malloc(sizeof(MyPrintFileData))) == NULL ) - return(NULL); - - mpfd->parent_pdpy = pdpy; - mpfd->displayname = XDisplayString(pdpy); - mpfd->pdpy = NULL; - mpfd->pcontext = pcontext; - mpfd->file_name = filename; - mpfd->file = NULL; - mpfd->status = XPGetDocError; - - /* make sure we can open the file for writing */ - if( (mpfd->file = fopen(mpfd->file_name, "w")) == NULL ) - { - /* fopen() error */ - free(mpfd); - return(NULL); - } - - /* its important to flush before we start the consumer thread, - * to make sure that the XpStartJob gets through first in the parent - */ - XFlush(pdpy); -#ifdef XPU_USE_NSPR - if( (mpfd->prthread = PR_CreateThread(PR_SYSTEM_THREAD, PrintToFile_Consumer, mpfd, PR_PRIORITY_NORMAL, PR_GLOBAL_THREAD, PR_JOINABLE_THREAD, 0)) == NULL ) -#else - if( pthread_create(&(mpfd->tid), NULL, PrintToFile_Consumer, mpfd) != 0 ) -#endif - { - /* pthread_create() error */ - fclose(mpfd->file); - free(mpfd); - return(NULL); - } - - /* we're still in the parent */ - XPU_DEBUG_ONLY(printf("### parent started consumer thread.\n" )); - return(mpfd); -} - - -XPGetDocStatus XpuWaitForPrintFileChild( void *handle ) -{ - MyPrintFileData *mpfd = (MyPrintFileData *)handle; - void *res; - XPGetDocStatus status; - - /* Flush data a last time to make sure we send all data to Xprt and that - * the Xlib internal hooks have called a last time */ - XFlush(mpfd->parent_pdpy); - -#ifdef XPU_USE_NSPR - if( PR_JoinThread(mpfd->prthread) != PR_SUCCESS ) - perror("XpuWaitForPrintFileChild: PR_JoinThread() failure"); /* fixme(later): use NSPR error handling calls... */ -#else - if( XPU_TRACE(pthread_join(mpfd->tid, &res)) != 0 ) - perror("XpuWaitForPrintFileChild: pthread_join() failure"); -#endif - - status = mpfd->status; - free(handle); - - XPU_DEBUG_ONLY(PrintXPGetDocStatus(status)); - return(status); -} - -#else /* XPU_USE_THREADS */ -/** - ** XpuPrintToFile() - fork() version - ** Create consumer thread which creates it's own display connection to print server - ** (a 2nd display connection/process is required to avoid deadlocks within Xlib), - ** registers (Xlib-internal) consumer callback (via XpGetDocumentData(3Xp)) and - ** processes/eats all incoming events via MyPrintToFileProc(). A final call to - ** MyPrintToFileProc() cleans-up all stuff and sets the "done" flag. - ** Note that these callbacks are called directly by Xlib while waiting for events in - ** XNextEvent() because XpGetDocumentData() registeres them as "internal" callbacks, - ** e.g. XNextEvent() does _not_ return before/after processing these events !! - ** - ** Usage: - ** XpStartJob(pdpy, XPGetData); - ** handle = XpuPrintToFile(pdpy, pcontext, "myfile"); - ** // render something - ** XpEndJob(); // or XpCancelJob() - ** status = XpuWaitForPrintFileChild(handle); - ** - */ -typedef struct -{ - pid_t pid; - int pipe[2]; /* child-->parent communication pipe */ - const char *displayname; - Display *pdpy; - Display *parent_pdpy; - XPContext pcontext; - const char *file_name; - FILE *file; - XPGetDocStatus status; - Bool done; -} MyPrintFileData; - - -static -void *XpuPrintToFile( Display *pdpy, XPContext pcontext, const char *filename ) -{ - MyPrintFileData *mpfd; - - if( (mpfd = (MyPrintFileData *)malloc(sizeof(MyPrintFileData))) == NULL ) - return(NULL); - - /* create pipe */ - if( pipe(mpfd->pipe) == -1 ) - { - /* this should never happen, but... */ - perror("XpuPrintToFile: cannot create pipe"); - free(mpfd); - return(NULL); - } - - mpfd->parent_pdpy = pdpy; - mpfd->displayname = XDisplayString(pdpy); - mpfd->pcontext = pcontext; - mpfd->file_name = filename; - mpfd->file = NULL; - mpfd->status = XPGetDocError; - - /* make sure we can open the file for writing */ - if( (mpfd->file = fopen(mpfd->file_name, "w")) == NULL ) - { - /* fopen() error */ - close(mpfd->pipe[1]); - close(mpfd->pipe[0]); - free(mpfd); - return(NULL); - } - - /* its important to flush before we fork, to make sure that the - * XpStartJob gets through first in the parent - */ - XFlush(pdpy); - - mpfd->pid = fork(); - - if( mpfd->pid == 0 ) - { - /* we're now in the fork()'ed child */ - PrintToFile_Consumer(mpfd); - } - else if( mpfd->pid < 0 ) - { - /* fork() error */ - close(mpfd->pipe[1]); - close(mpfd->pipe[0]); - fclose(mpfd->file); - free(mpfd); - return(NULL); - } - - /* we're still in the parent */ - XPU_DEBUG_ONLY(printf("### parent fork()'ed consumer child.\n")); - - /* child will write into file - we don't need it anymore here... :-) */ - fclose(mpfd->file); - close(mpfd->pipe[1]); - return(mpfd); -} - - -XPGetDocStatus XpuWaitForPrintFileChild( void *handle ) -{ - MyPrintFileData *mpfd = (MyPrintFileData *)handle; - int res; - XPGetDocStatus status = XPGetDocError; /* used when read() from pipe fails */ - - /* Flush data a last time to make sure we send all data to Xprt and that - * the Xlib internal hooks have called a last time */ - XFlush(mpfd->parent_pdpy); - - if( XPU_TRACE(waitpid(mpfd->pid, &res, 0)) == -1 ) - perror("XpuWaitForPrintFileChild: waitpid failure"); - - /* read the status from the child */ - if( read(mpfd->pipe[0], &status, sizeof(XPGetDocStatus)) != sizeof(XPGetDocStatus) ) - { - perror("XpuWaitForPrintFileChild: can't read XPGetDocStatus"); - } - close(mpfd->pipe[0]); - - free(handle); - - XPU_DEBUG_ONLY(PrintXPGetDocStatus(status)); - return(status); -} -#endif /* XPU_USE_THREADS */ - - -static -void MyPrintToFileProc( Display *pdpy, - XPContext pcontext, - unsigned char *data, - unsigned int data_len, - XPointer client_data ) -{ - MyPrintFileData *mpfd = (MyPrintFileData *)client_data; - - /* write to the file */ - XPU_TRACE_CHILD((void)fwrite(data, data_len, 1, mpfd->file)); /* what about error handling ? */ -} - - -static -void MyFinishProc( Display *pdpy, - XPContext pcontext, - XPGetDocStatus status, - XPointer client_data ) -{ - MyPrintFileData *mpfd = (MyPrintFileData *)client_data; - - /* remove the file if unsuccessful */ - if( status != XPGetDocFinished ) - { - XPU_DEBUG_ONLY(printf("MyFinishProc: error %d\n", (int)status)); - XPU_TRACE_CHILD(remove(mpfd->file_name)); - } - - XPU_TRACE_CHILD((void)fclose(mpfd->file)); /* what about error handling ? */ - - mpfd->status = status; - mpfd->done = True; -} - - -static -#ifdef XPU_USE_NSPR -void PrintToFile_Consumer( void *handle ) -#else -void *PrintToFile_Consumer( void *handle ) -#endif -{ - MyPrintFileData *mpfd = (MyPrintFileData *)handle; - XEvent dummy; - struct timeval timeout; - - timeout.tv_sec = 0; - timeout.tv_usec = 100000; /* 1/10 s */ - - XPU_DEBUG_ONLY(printf("### child running, getting data from '%s'.\n", mpfd->displayname)); - - /* we cannot reuse fork()'ed display handles - our child needs his own one */ - if( (mpfd->pdpy = XPU_TRACE_CHILD(XOpenDisplay(mpfd->displayname))) == NULL ) - { - perror("child cannot open display"); -#ifdef XPU_USE_NSPR - return; -#else - return(NULL); -#endif - } - - mpfd->done = False; - - /* register "consumer" callbacks */ - if( XPU_TRACE_CHILD(XpGetDocumentData(mpfd->pdpy, mpfd->pcontext, - MyPrintToFileProc, MyFinishProc, - (XPointer)mpfd)) == 0 ) - { - XPU_DEBUG_ONLY(printf("XpGetDocumentData cannot register callbacks\n")); -#ifdef XPU_USE_NSPR - return; -#else - return(NULL); -#endif - } - - /* loop forever - libXp has registered hidden event callbacks for the consumer - * callbacks - the finishCB will call set the "done" boolean after all... - */ - while( mpfd->done != True ) - { - XNextEventTimeout(mpfd->pdpy, &dummy, &timeout); - } - - XCloseDisplay(mpfd->pdpy); - -#ifdef XPU_USE_THREADS -#ifdef XPU_USE_NSPR - return; -#else - return(NULL); -#endif -#else - /* write the status to the parent */ - if( XPU_TRACE_CHILD(write(mpfd->pipe[1], &mpfd->status, sizeof(XPGetDocStatus))) != sizeof(XPGetDocStatus) ) - { - perror("PrintToFile_Consumer: can't write XPGetDocStatus"); - } - - /* we don't do any free's or close's, as we are just - * going to exit, in fact, get out without calling any C++ - * destructors, etc., as we don't want anything funny to happen - * to the parent - */ - XPU_TRACE_CHILD(_exit(EXIT_SUCCESS)); -#endif /* XPU_USE_THREADS */ -} - -/* EOF. */ |