From 1808170f1c228a7ead06583ce92f81ccd0be00fe Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sat, 7 Nov 2015 15:19:41 +0100 Subject: Adding upstream version 1.0~rc2. Signed-off-by: Daniel Baumann --- carg_parser.h | 85 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 85 insertions(+) create mode 100644 carg_parser.h (limited to 'carg_parser.h') diff --git a/carg_parser.h b/carg_parser.h new file mode 100644 index 0000000..951b787 --- /dev/null +++ b/carg_parser.h @@ -0,0 +1,85 @@ +/* Pdlzip - A data compressor based on the LZMA algorithm + Copyright (C) 2010 Antonio Diaz Diaz. + + This program is free software: you have unlimited permission + to copy, distribute and modify it. + + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. +*/ + +/* Arg_parser reads the arguments in `argv' and creates a number of + option codes, option arguments and non-option arguments. + + In case of error, `ap_error' returns a non-null pointer to an error + message. + + `options' is an array of `struct ap_Option' terminated by an element + containing a code which is zero. A null name means a short-only + option. A code value outside the unsigned char range means a + long-only option. + + Arg_parser normally makes it appear as if all the option arguments + were specified before all the non-option arguments for the purposes + of parsing, even if the user of your program intermixed option and + non-option arguments. If you want the arguments in the exact order + the user typed them, call `ap_init' with `in_order' = true. + + The argument `--' terminates all options; any following arguments are + treated as non-option arguments, even if they begin with a hyphen. + + The syntax for optional option arguments is `-' + (without whitespace), or `--='. +*/ + +#ifdef __cplusplus +extern "C" { +#endif + +enum ap_Has_arg { ap_no, ap_yes, ap_maybe }; + +struct ap_Option + { + int code; // Short option letter or code ( code != 0 ) + const char * name; // Long option name (maybe null) + enum ap_Has_arg has_arg; + }; + + +struct ap_Record + { + int code; + char * argument; + }; + + +struct Arg_parser + { + struct ap_Record * data; + char * error; + int data_size; + int error_size; + }; + + +char ap_init( struct Arg_parser * const ap, + const int argc, const char * const argv[], + const struct ap_Option options[], const char in_order ); + +void ap_free( struct Arg_parser * const ap ); + +const char * ap_error( const struct Arg_parser * const ap ); + + // The number of arguments parsed (may be different from argc) +int ap_arguments( const struct Arg_parser * const ap ); + + // If ap_code( i ) is 0, ap_argument( i ) is a non-option. + // Else ap_argument( i ) is the option's argument (or empty). +int ap_code( const struct Arg_parser * const ap, const int i ); + +const char * ap_argument( const struct Arg_parser * const ap, const int i ); + +#ifdef __cplusplus +} +#endif -- cgit v1.2.3