option_values_t destination_implObj::option_values(const std::string_view &option) const { auto s=option.size(); char option_s[s+1]; std::copy(option.begin(), option.end(), option_s); option_s[s]=0; auto[name, unicode_flag]=parse_unicode_option(option_s); info_t::lock lock{*this}; auto attrs=cupsFindDestSupported(lock->http, lock->dest, lock->info, name); return parse_attribute_values(lock, attrs, name, unicode_flag); }
std::unordered_set<std::string> destination_implObj::supported_options() const { std::unordered_set<std::string> s; info_t::lock lock{*this}; auto attrs=cupsFindDestSupported(lock->http, lock->dest, lock->info, "job-creation-attributes"); if (!attrs) return s; auto count=ippGetCount(attrs); for (decltype (count) i=0; i<count; i++) { s.insert(ippGetString(attrs, i, nullptr)); } return s; }
static void show_supported(http_t *http, /* I - Connection to destination */ cups_dest_t *dest, /* I - Destination */ cups_dinfo_t *dinfo, /* I - Destination information */ const char *option, /* I - Option, if any */ const char *value) /* I - Value, if any */ { ipp_attribute_t *attr; /* Attribute */ int i, /* Looping var */ count; /* Number of values */ if (!option) { attr = cupsFindDestSupported(http, dest, dinfo, "job-creation-attributes"); if (attr) { count = ippGetCount(attr); for (i = 0; i < count; i ++) show_supported(http, dest, dinfo, ippGetString(attr, i, NULL), NULL); } else { static const char * const options[] = { /* List of standard options */ CUPS_COPIES, CUPS_FINISHINGS, CUPS_MEDIA, CUPS_NUMBER_UP, CUPS_ORIENTATION, CUPS_PRINT_COLOR_MODE, CUPS_PRINT_QUALITY, CUPS_SIDES }; puts("No job-creation-attributes-supported attribute, probing instead."); for (i = 0; i < (int)(sizeof(options) / sizeof(options[0])); i ++) if (cupsCheckDestSupported(http, dest, dinfo, options[i], NULL)) show_supported(http, dest, dinfo, options[i], NULL); } } else if (!value) { printf("%s (%s)\n", option, cupsCheckDestSupported(http, dest, dinfo, option, NULL) ? "supported" : "not-supported"); if ((attr = cupsFindDestSupported(http, dest, dinfo, option)) != NULL) { count = ippGetCount(attr); switch (ippGetValueTag(attr)) { case IPP_TAG_INTEGER : for (i = 0; i < count; i ++) printf(" %d\n", ippGetInteger(attr, i)); break; case IPP_TAG_ENUM : for (i = 0; i < count; i ++) printf(" %s\n", ippEnumString(option, ippGetInteger(attr, i))); break; case IPP_TAG_RANGE : for (i = 0; i < count; i ++) { int upper, lower = ippGetRange(attr, i, &upper); printf(" %d-%d\n", lower, upper); } break; case IPP_TAG_RESOLUTION : for (i = 0; i < count; i ++) { int xres, yres; ipp_res_t units; xres = ippGetResolution(attr, i, &yres, &units); if (xres == yres) printf(" %d%s\n", xres, units == IPP_RES_PER_INCH ? "dpi" : "dpcm"); else printf(" %dx%d%s\n", xres, yres, units == IPP_RES_PER_INCH ? "dpi" : "dpcm"); } break; case IPP_TAG_TEXTLANG : case IPP_TAG_NAMELANG : case IPP_TAG_TEXT : case IPP_TAG_NAME : case IPP_TAG_KEYWORD : case IPP_TAG_URI : case IPP_TAG_URISCHEME : case IPP_TAG_CHARSET : case IPP_TAG_LANGUAGE : case IPP_TAG_MIMETYPE : for (i = 0; i < count; i ++) printf(" %s\n", ippGetString(attr, i, NULL)); break; case IPP_TAG_STRING : for (i = 0; i < count; i ++) { int j, len; unsigned char *data = ippGetOctetString(attr, i, &len); fputs(" ", stdout); for (j = 0; j < len; j ++) { if (data[j] < ' ' || data[j] >= 0x7f) printf("<%02X>", data[j]); else putchar(data[j]); } putchar('\n'); } break; case IPP_TAG_BOOLEAN : break; default : printf(" %s\n", ippTagString(ippGetValueTag(attr))); break; } } } else if (cupsCheckDestSupported(http, dest, dinfo, option, value)) puts("YES"); else puts("NO"); }