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-rw-r--r--cups/options.c378
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diff --git a/cups/options.c b/cups/options.c
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+/*
+ * "$Id$"
+ *
+ * Option routines for the Common UNIX Printing System (CUPS).
+ *
+ * Copyright 1997-1999 by Easy Software Products.
+ *
+ * These coded instructions, statements, and computer programs are the
+ * property of Easy Software Products and are protected by Federal
+ * copyright law. Distribution and use rights are outlined in the file
+ * "LICENSE.txt" which should have been included with this file. If this
+ * file is missing or damaged please contact Easy Software Products
+ * at:
+ *
+ * Attn: CUPS Licensing Information
+ * Easy Software Products
+ * 44141 Airport View Drive, Suite 204
+ * Hollywood, Maryland 20636-3111 USA
+ *
+ * Voice: (301) 373-9603
+ * EMail: cups-info@cups.org
+ * WWW: http://www.cups.org
+ *
+ * Contents:
+ *
+ * cupsAddOption() - Add an option to an option array.
+ * cupsFreeOptions() - Free all memory used by options.
+ * cupsGetOption() - Get an option value.
+ * cupsParseOptions() - Parse options from a command-line argument.
+ * cupsMarkOptions() - Mark command-line options in a PPD file.
+ */
+
+/*
+ * Include necessary headers...
+ */
+
+#include "cups.h"
+#include <stdlib.h>
+#include <ctype.h>
+#include "string.h"
+
+
+/*
+ * 'cupsAddOption()' - Add an option to an option array.
+ */
+
+int /* O - Number of options */
+cupsAddOption(const char *name, /* I - Name of option */
+ const char *value, /* I - Value of option */
+ int num_options, /* I - Number of options */
+ cups_option_t **options) /* IO - Pointer to options */
+{
+ int i; /* Looping var */
+ cups_option_t *temp; /* Pointer to new option */
+
+
+ if (name == NULL || value == NULL || options == NULL)
+ return (0);
+
+ /*
+ * Look for an existing option with the same name...
+ */
+
+ for (i = 0, temp = *options; i < num_options; i ++, temp ++)
+ if (strcmp(temp->name, name) == 0)
+ break;
+
+ if (i >= num_options)
+ {
+ /*
+ * No matching option name...
+ */
+
+ if (num_options == 0)
+ temp = (cups_option_t *)malloc(sizeof(cups_option_t));
+ else
+ temp = (cups_option_t *)realloc(*options, sizeof(cups_option_t) *
+ (num_options + 1));
+
+ if (temp == NULL)
+ return (0);
+
+ *options = temp;
+ temp += num_options;
+ temp->name = strdup(name);
+ num_options ++;
+ }
+ else
+ {
+ /*
+ * Match found; free the old value...
+ */
+
+ free(temp->value);
+ }
+
+ temp->value = strdup(value);
+
+ return (num_options);
+}
+
+
+/*
+ * 'cupsFreeOptions()' - Free all memory used by options.
+ */
+
+void
+cupsFreeOptions(int num_options, /* I - Number of options */
+ cups_option_t *options) /* I - Pointer to options */
+{
+ int i; /* Looping var */
+
+
+ if (num_options == 0 || options == NULL)
+ return;
+
+ for (i = 0; i < num_options; i ++)
+ {
+ free(options[i].name);
+ free(options[i].value);
+ }
+
+ free(options);
+}
+
+
+/*
+ * 'cupsGetOption()' - Get an option value.
+ */
+
+const char * /* O - Option value or NULL */
+cupsGetOption(const char *name, /* I - Name of option */
+ int num_options,/* I - Number of options */
+ cups_option_t *options) /* I - Options */
+{
+ int i; /* Looping var */
+
+
+ if (name == NULL || num_options == 0 || options == NULL)
+ return (NULL);
+
+ for (i = 0; i < num_options; i ++)
+ if (strcmp(options[i].name, name) == 0)
+ return (options[i].value);
+
+ return (NULL);
+}
+
+
+/*
+ * 'cupsParseOptions()' - Parse options from a command-line argument.
+ */
+
+int /* O - Number of options found */
+cupsParseOptions(const char *arg, /* I - Argument to parse */
+ int num_options, /* I - Number of options */
+ cups_option_t **options) /* O - Options found */
+{
+ char *copyarg, /* Copy of input string */
+ *ptr, /* Pointer into string */
+ *name, /* Pointer to name */
+ *value; /* Pointer to value */
+
+
+ if (arg == NULL || options == NULL)
+ return (0);
+
+ /*
+ * Make a copy of the argument string and then divide it up...
+ */
+
+ copyarg = strdup(arg);
+ ptr = copyarg;
+
+ while (*ptr != '\0')
+ {
+ /*
+ * Get the name up to a SPACE, =, or end-of-string...
+ */
+
+ name = ptr;
+ while (!isspace(*ptr) && *ptr != '=' && *ptr != '\0')
+ ptr ++;
+
+ /*
+ * Skip trailing spaces...
+ */
+
+ while (isspace(*ptr))
+ *ptr++ = '\0';
+
+ if (*ptr != '=')
+ {
+ /*
+ * Start of another option...
+ */
+
+ num_options = cupsAddOption(name, "", num_options, options);
+ continue;
+ }
+
+ /*
+ * Remove = and parse the value...
+ */
+
+ *ptr++ = '\0';
+
+ if (*ptr == '\'')
+ {
+ /*
+ * Quoted string constant...
+ */
+
+ ptr ++;
+ value = ptr;
+
+ while (*ptr != '\'' && *ptr != '\0')
+ ptr ++;
+
+ if (*ptr != '\0')
+ *ptr++ = '\0';
+ }
+ else if (*ptr == '\"')
+ {
+ /*
+ * Double-quoted string constant...
+ */
+
+ ptr ++;
+ value = ptr;
+
+ while (*ptr != '\"' && *ptr != '\0')
+ ptr ++;
+
+ if (*ptr != '\0')
+ *ptr++ = '\0';
+ }
+ else
+ {
+ /*
+ * Normal space-delimited string...
+ */
+
+ value = ptr;
+
+ while (!isspace(*ptr) && *ptr != '\0')
+ ptr ++;
+
+ while (isspace(*ptr))
+ *ptr++ = '\0';
+ }
+
+ /*
+ * Add the string value...
+ */
+
+ num_options = cupsAddOption(name, value, num_options, options);
+ }
+
+ /*
+ * Free the copy of the argument we made and return the number of options
+ * found.
+ */
+
+ free(copyarg);
+
+ return (num_options);
+}
+
+
+/*
+ * 'cupsMarkOptions()' - Mark command-line options in a PPD file.
+ */
+
+int /* O - 1 if conflicting */
+cupsMarkOptions(ppd_file_t *ppd, /* I - PPD file */
+ int num_options, /* I - Number of options */
+ cups_option_t *options) /* I - Options */
+{
+ int i; /* Looping var */
+ int conflict; /* Option conflicts */
+ char *val, /* Pointer into value */
+ *ptr, /* Pointer into string */
+ s[255]; /* Temporary string */
+
+
+ conflict = 0;
+
+ for (i = num_options; i > 0; i --, options ++)
+ if (strcmp(options->name, "media") == 0)
+ {
+ /*
+ * Loop through the option string, separating it at commas and
+ * marking each individual option.
+ */
+
+ for (val = options->value; *val;)
+ {
+ /*
+ * Extract the sub-option from the string...
+ */
+
+ for (ptr = s; *val && *val != ',' && (ptr - s) < (sizeof(s) - 1);)
+ *ptr++ = *val++;
+ *ptr++ = '\0';
+
+ if (*val == ',')
+ val ++;
+
+ /*
+ * Mark it...
+ */
+
+ if (ppdMarkOption(ppd, "PageSize", s))
+ conflict = 1;
+ if (ppdMarkOption(ppd, "InputSlot", s))
+ conflict = 1;
+ if (ppdMarkOption(ppd, "MediaType", s))
+ conflict = 1;
+ if (ppdMarkOption(ppd, "EFMediaQualityMode", s)) /* EFI */
+ conflict = 1;
+ if (strcasecmp(s, "manual") == 0)
+ if (ppdMarkOption(ppd, "ManualFeed", "True"))
+ conflict = 1;
+ }
+ }
+ else if (strcmp(options->name, "sides") == 0)
+ {
+ if (strcmp(options->value, "one-sided") == 0)
+ {
+ if (ppdMarkOption(ppd, "Duplex", "None"))
+ conflict = 1;
+ if (ppdMarkOption(ppd, "EFDuplex", "None")) /* EFI */
+ conflict = 1;
+ if (ppdMarkOption(ppd, "KD03Duplex", "None")) /* Kodak */
+ conflict = 1;
+ }
+ else if (strcmp(options->value, "two-sided-long-edge") == 0)
+ {
+ if (ppdMarkOption(ppd, "Duplex", "DuplexNoTumble"))
+ conflict = 1;
+ if (ppdMarkOption(ppd, "EFDuplex", "DuplexNoTumble")) /* EFI */
+ conflict = 1;
+ if (ppdMarkOption(ppd, "KD03Duplex", "DuplexNoTumble")) /* Kodak */
+ conflict = 1;
+ }
+ else if (strcmp(options->value, "two-sided-short-edge") == 0)
+ {
+ if (ppdMarkOption(ppd, "Duplex", "DuplexTumble"))
+ conflict = 1;
+ if (ppdMarkOption(ppd, "EFDuplex", "DuplexTumble")) /* EFI */
+ conflict = 1;
+ if (ppdMarkOption(ppd, "KD03Duplex", "DuplexTumble")) /* Kodak */
+ conflict = 1;
+ }
+ }
+ else if (strcmp(options->name, "resolution") == 0)
+ {
+ if (ppdMarkOption(ppd, "Resolution", options->value))
+ conflict = 1;
+ if (ppdMarkOption(ppd, "SetResolution", options->value))
+ /* Calcomp, Linotype, QMS, Summagraphics, Tektronix, Varityper */
+ conflict = 1;
+ if (ppdMarkOption(ppd, "JCLResolution", options->value)) /* HP */
+ conflict = 1;
+ if (ppdMarkOption(ppd, "CNRes_PGP", options->value)) /* Canon */
+ conflict = 1;
+ }
+ else if (ppdMarkOption(ppd, options->name, options->value))
+ conflict = 1;
+
+ return (conflict);
+}
+
+
+/*
+ * End of "$Id$".
+ */
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