Load cups into easysw/current.

[thirdparty/cups.git] / pdftops / parseargs.h

diff --git a/pdftops/parseargs.h b/pdftops/parseargs.h
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+/*
+ * parseargs.h
+ *
+ * Command line argument parser.
+ *
+ * Copyright 1996-2003 Glyph & Cog, LLC
+ */
+
+#ifndef PARSEARGS_H
+#define PARSEARGS_H
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#include "gtypes.h"
+
+/*
+ * Argument kinds.
+ */
+typedef enum {
+  argFlag,                     /* flag (present / not-present) */
+                               /*   [val: GBool *]             */
+  argInt,                      /* integer arg    */
+                               /*   [val: int *] */
+  argFP,                       /* floating point arg */
+                               /*   [val: double *]  */
+  argString,                   /* string arg      */
+                               /*   [val: char *] */
+  /* dummy entries -- these show up in the usage listing only; */
+  /* useful for X args, for example                            */
+  argFlagDummy,
+  argIntDummy,
+  argFPDummy,
+  argStringDummy
+} ArgKind;
+
+/*
+ * Argument descriptor.
+ */
+typedef struct {
+  char *arg;                   /* the command line switch */
+  ArgKind kind;                        /* kind of arg */
+  void *val;                   /* place to store value */
+  int size;                    /* for argString: size of string */
+  char *usage;                 /* usage string */
+} ArgDesc;
+
+/*
+ * Parse command line.  Removes all args which are found in the arg
+ * descriptor list <args>.  Stops parsing if "--" is found (and removes
+ * it).  Returns gFalse if there was an error.
+ */
+extern GBool parseArgs(ArgDesc *args, int *argc, char *argv[]);
+
+/*
+ * Print usage message, based on arg descriptor list.
+ */
+extern void printUsage(char *program, char *otherArgs, ArgDesc *args);
+
+/*
+ * Check if a string is a valid integer or floating point number.
+ */
+extern GBool isInt(char *s);
+extern GBool isFP(char *s);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif