root/builtin/column.c

DEFINITIONS

1. column_config
2. cmd_column

#include "builtin.h"
#include "cache.h"
#include "strbuf.h"
#include "parse-options.h"
#include "string-list.h"
#include "column.h"

static const char * const builtin_column_usage[] = {
        N_("git column [<options>]"),
        NULL
};
static unsigned int colopts;

static int column_config(const char *var, const char *value, void *cb)
{
        return git_column_config(var, value, cb, &colopts);
}

int cmd_column(int argc, const char **argv, const char *prefix)
{
        struct string_list list = STRING_LIST_INIT_DUP;
        struct strbuf sb = STRBUF_INIT;
        struct column_options copts;
        const char *command = NULL, *real_command = NULL;
        struct option options[] = {
                OPT_STRING(0, "command", &real_command, N_("name"), N_("lookup config vars")),
                OPT_COLUMN(0, "mode", &colopts, N_("layout to use")),
                OPT_INTEGER(0, "raw-mode", &colopts, N_("layout to use")),
                OPT_INTEGER(0, "width", &copts.width, N_("Maximum width")),
                OPT_STRING(0, "indent", &copts.indent, N_("string"), N_("Padding space on left border")),
                OPT_INTEGER(0, "nl", &copts.nl, N_("Padding space on right border")),
                OPT_INTEGER(0, "padding", &copts.padding, N_("Padding space between columns")),
                OPT_END()
        };

        /* This one is special and must be the first one */
        if (argc > 1 && starts_with(argv[1], "--command=")) {
                command = argv[1] + 10;
                git_config(column_config, (void *)command);
        } else
                git_config(column_config, NULL);

        memset(&copts, 0, sizeof(copts));
        copts.width = term_columns();
        copts.padding = 1;
        argc = parse_options(argc, argv, "", options, builtin_column_usage, 0);
        if (argc)
                usage_with_options(builtin_column_usage, options);
        if (real_command || command) {
                if (!real_command || !command || strcmp(real_command, command))
                        die(_("--command must be the first argument"));
        }
        finalize_colopts(&colopts, -1);
        while (!strbuf_getline(&sb, stdin, '\n'))
                string_list_append(&list, sb.buf);

        print_columns(&list, colopts, &copts);
        return 0;
}