mirror of
https://github.com/fluencelabs/redis
synced 2025-04-04 08:41:04 +00:00
5397f2b596
updated via commands.json in redis-doc repo. Currently use `make src/help.h` to re-generate. The following are valid from the REPL: help help [command] help [group] help groups ex: help sort help hash
119 lines
2.4 KiB
C
119 lines
2.4 KiB
C
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#include <stdio.h>
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#include <string.h>
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/*
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* List command groups.
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*/
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#define GROUPS \
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G(UNKNOWN, "unknown") \
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G(SET, "set") \
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G(LIST, "list") \
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G(HASH, "hash") \
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G(GENERIC, "generic") \
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G(PUBSUB, "pubsub") \
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G(STRING, "string") \
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G(SERVER, "server") \
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G(CONNECTION, "connection") \
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G(TRANSACTIONS, "transactions") \
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G(SORTED_SET, "sorted_set")
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/*
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* Command group types.
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*/
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typedef enum {
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#define G(GROUP, _) COMMAND_GROUP_##GROUP,
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GROUPS
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#undef G
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COMMAND_GROUP_LENGTH
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} command_group_type_t;
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/*
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* Command group type names.
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*/
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static char *command_group_type_names[] = {
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#define G(_, STR) STR,
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GROUPS
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#undef G
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};
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/*
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* Command help struct.
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*/
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struct command_help {
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char *name;
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char *params;
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char *summary;
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command_group_type_t group;
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char *since;
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} command_help[] = {
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__COMMANDS__
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};
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/*
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* Output command help to stdout.
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*/
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static void
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output_command_help(struct command_help *help) {
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printf("\n \x1b[1m%s\x1b[0m \x1b[90m%s\x1b[0m\n", help->name, help->params);
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printf(" \x1b[33msummary:\x1b[0m %s\n", help->summary);
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printf(" \x1b[33msince:\x1b[0m %s\n", help->since);
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printf(" \x1b[33mgroup:\x1b[0m %s\n", command_group_type_names[help->group]);
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}
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/*
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* Return command group type by name string.
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*/
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static command_group_type_t
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command_group_type_by_name(const char *name) {
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for (int i = 0; i < COMMAND_GROUP_LENGTH; ++i) {
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const char *group = command_group_type_names[i];
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if (0 == strcasecmp(name, group)) return i;
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}
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return 0;
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}
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/*
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* Output group names.
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*/
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static void
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output_group_help() {
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for (int i = 0; i < COMMAND_GROUP_LENGTH; ++i) {
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if (COMMAND_GROUP_UNKNOWN == i) continue;
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const char *group = command_group_type_names[i];
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printf(" \x1b[90m-\x1b[0m %s\n", group);
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}
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}
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/*
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* Output all command help, filtering by group or command name.
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*/
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static void
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output_help(int argc, const char **argv) {
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int len = sizeof(command_help) / sizeof(struct command_help);
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if (argc && 0 == strcasecmp("groups", argv[0])) {
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output_group_help();
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return;
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}
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command_group_type_t group = argc
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? command_group_type_by_name(argv[0])
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: COMMAND_GROUP_UNKNOWN;
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for (int i = 0; i < len; ++i) {
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struct command_help help = command_help[i];
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if (argc && !group && 0 != strcasecmp(help.name, argv[0])) continue;
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if (group && group != help.group) continue;
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output_command_help(&help);
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}
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puts("");
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} |