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/*
* parseargs.h
*
* Command line argument parser.
*
* Copyright 1996-2003 Glyph & Cog, LLC
*/
/*========================================================================
Modified under the Poppler project - http://poppler.freedesktop.org
All changes made under the Poppler project to this file are licensed
under GPL version 2 or later
Copyright (C) 2008, 2018 Albert Astals Cid <[email protected]>
Copyright (C) 2011 Adrian Johnson <[email protected]>
To see a description of the changes please see the Changelog file that
came with your tarball or type make ChangeLog if you are building from git
========================================================================*/
#ifndef PARSEARGS_H
#define PARSEARGS_H
#ifdef __cplusplus
extern "C" {
#endif
/*
* Argument kinds.
*/
typedef enum
{
argFlag, /* flag (present / not-present) */
/* [val: bool *] */
argInt, /* integer arg */
/* [val: int *] */
argFP, /* floating point arg */
/* [val: double *] */
argString, /* string arg */
/* [val: char *] */
argGooString, /* string arg */
/* [val: GooString *] */
/* 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
{
const char *arg; /* the command line switch */
ArgKind kind; /* kind of arg */
void *val; /* place to store value */
int size; /* for argString: size of string */
const 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 false if there was an error.
*/
extern bool parseArgs(const ArgDesc *args, int *argc, char *argv[]);
/*
* Print usage message, based on arg descriptor list.
*/
extern void printUsage(const char *program, const char *otherArgs, const ArgDesc *args);
/*
* Check if a string is a valid integer or floating point number.
*/
extern bool isInt(const char *s);
extern bool isFP(const char *s);
#ifdef __cplusplus
}
#endif
#endif
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