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author | Mattias Andrée <maandree@operamail.com> | 2013-06-25 14:03:22 +0200 |
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committer | Mattias Andrée <maandree@operamail.com> | 2013-06-25 14:03:22 +0200 |
commit | 38574e73fee93cd7201990fcf80fc63fcb95565e (patch) | |
tree | be2aecc30502479bca86c8bffe79d891c02a96ed /src | |
parent | free freequeue on dispose (diff) | |
download | argparser-38574e73fee93cd7201990fcf80fc63fcb95565e.tar.gz argparser-38574e73fee93cd7201990fcf80fc63fcb95565e.tar.bz2 argparser-38574e73fee93cd7201990fcf80fc63fcb95565e.tar.xz |
add function for add option
Signed-off-by: Mattias Andrée <maandree@operamail.com>
Diffstat (limited to 'src')
-rw-r--r-- | src/argparser.c | 96 |
1 files changed, 93 insertions, 3 deletions
diff --git a/src/argparser.c b/src/argparser.c index 348e1f6..e1d8825 100644 --- a/src/argparser.c +++ b/src/argparser.c @@ -33,6 +33,46 @@ static void sort(char** list, long count); static long cmp(char* a, char* b); + +/** + * Option structure + */ +typedef struct +{ + /** + * The type of the option, either of: `ARGUMENTLESS`, `ARGUMENTED`, `VARIADIC` + */ + long type; + + /** + * Alterative option names + */ + char** alternatives; + + /** + * Number of elements in `alternatives` + */ + long alternatives_count; + + /** + * Standard option name + */ + char* standard; + + /** + * Argument name, not for argumentless options + */ + char* argument; + + /** + * Help text, multi-line + */ + char* help; + +} args_Option; + + + /** * Whether the Linux VT is being used */ @@ -103,13 +143,25 @@ long args_files_count; */ void** args_freequeue; -// Options, in order -// ArrayList<Option> options = new ArrayList<Option>(); +/** + * Options, in order + */ +args_Option* args_options; + +/** + * Number of elements in `args_options` + */ +long args_options_count; + +/** + * Number of elements for which `args_options` is allocated + */ +long args_options_size; // Option map // HashMap<String, Option> optmap = new HashMap<String, Option>(); -// Parsed arguments, a map from option to arguments, null` if not used, add one `null` element per argumentless use. +// Parsed arguments, a map from option to arguments, `null` if not used, add one `null` element per argumentless use. // HashMap<String, String[]> opts = new HashMap<String, String[]>(); @@ -152,6 +204,9 @@ extern void args_init(char* description, char* usage, char* longdscription, char args_message = null; args_freequeue = null; args_freeptr = 0; + args_options_count = 0; + args_options_size = 64; + args_options = (args_Option*)malloc(args_options_size * sizeof(args_Option)); } @@ -166,10 +221,13 @@ extern void args_dispose() free(args_message); if (args_program_dispose) free(args_program); + if (args_options != null) + free(args_options); args_files = null; args_message = null; args_program_dispose = false; + args_options = null; if (args_freequeue != null) { @@ -182,6 +240,38 @@ extern void args_dispose() /** + * Adds an option + * + * @param option The option + * @param help Help text, multi-line, `null` if hidden + */ +extern void args_add_option(args_Option* option, char* help) +{ + if (args_options_count == args_options_size) + { + long i = args_options_size << 1; + args_Option* new = (args_Option*)malloc(i * sizeof(args_Option)); + for (i = 0; i < args_options_size; i++) + { + *(new + i) = *(args_options + i) + } + args_options_size <<= 1; + free(args_options); + args_options = new; + } + + { + long i = 0, n = option->alternatives_count; + for (i; i < n; i++) + args_optmap_put(*(option->alternatives + i), args_options_count); + args_opts_put(option->standard, null); + *(args_options + args_options_count) = *option; + (*(args_options + args_options_count++)).help = help; + } +} + + +/** * Gets the name of the parent process * * @param levels The number of parents to walk, 0 for self, and 1 for direct parent |