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#include "irc_cmd.h"

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#include <stdlib.h>

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#include <string.h>

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void irc_cmd_init (irc_cmd_handlers_t *handlers)

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{

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    CHAIN_INIT(handlers);

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}

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err_t irc_cmd_add (irc_cmd_handlers_t *handlers, const struct irc_cmd_handler *list, void *arg)

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{

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    return chain_add(handlers, list, arg);

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}

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void irc_cmd_invoke (irc_cmd_handlers_t *handlers, const struct irc_line *line)

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{

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    struct chain_head *head;

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    const struct irc_cmd_handler *handler;

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    CHAIN_FOREACH(handlers, head) {

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        // look up appropriate handler

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        for (handler = head->chain; handler->command; handler++) {

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            // the command is alpha-only, so normal case-insensitive cmp is fine

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            if (strcasecmp(handler->command, line->command) == 0) {

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                // invoke the func

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                handler->func(line, head->arg);

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                // ...only one per chain

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                break;

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            }

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        }

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    }

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}

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void irc_cmd_free (irc_cmd_handlers_t *handlers)

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{

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    chain_free(handlers);

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}