76 lines
1.7 KiB
C
76 lines
1.7 KiB
C
/* help.c - Show help for toybox commands
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*
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* Copyright 2007 Rob Landley <rob@landley.net>
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*
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* Often a shell builtin.
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USE_HELP(NEWTOY(help, ""USE_HELP_EXTRAS("ah"), TOYFLAG_BIN))
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config HELP
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bool "help"
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default y
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depends on TOYBOX_HELP
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help
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usage: help [command]
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Show usage information for toybox commands.
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Run "toybox" with no arguments for a list of available commands.
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config HELP_EXTRAS
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bool "help -ah"
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default y
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depends on TOYBOX
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depends on HELP
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help
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usage: help [-ah]
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-a All commands
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-h HTML output
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*/
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#define FOR_help
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#include "toys.h"
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static void do_help(struct toy_list *t)
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{
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if (toys.optflags & FLAG_h)
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xprintf("<a name=\"%s\"><h1>%s</h1><blockquote><pre>\n", t->name, t->name);
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toys.which = t;
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show_help(stdout);
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if (toys.optflags & FLAG_h) xprintf("</blockquote></pre>\n");
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}
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// The simple help is just toys.which = toy_find("name"); show_help(stdout);
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// But iterating through html output and all commands is a big more
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void help_main(void)
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{
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int i;
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if (!(toys.optflags & FLAG_a)) {
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struct toy_list *t = toys.which;
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if (*toys.optargs && !(t = toy_find(*toys.optargs)))
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error_exit("Unknown command '%s'", *toys.optargs);
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do_help(t);
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return;
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}
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if (toys.optflags & FLAG_h) {
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xprintf("<html>\n<title>Toybox command list</title>\n<body>\n<p>\n");
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for (i=0; i < toys.toycount; i++)
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xprintf("<a href=\"#%s\">%s</a>\n", toy_list[i].name,
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toy_list[i].name);
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xprintf("</p>\n");
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}
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for (i = 0; i < toys.toycount; i++) {
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if (toys.optflags & FLAG_h) xprintf("<hr>\n<pre>\n");
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do_help(toy_list+i);
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if (toys.optflags & FLAG_h) xprintf("</pre>\n");
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}
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if (toys.optflags & FLAG_h) xprintf("</html>");
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}
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