faux/clish/shell/shell_parse.c

/*
 * shell_parse.c
 */
#include "private.h"
#include "lub/string.h"

#include <string.h>
#include <assert.h>

/*----------------------------------------------------------- */
clish_pargv_status_t clish_shell_parse(
	clish_shell_t *this, const char *line,
	const clish_command_t **ret_cmd, clish_pargv_t **pargv)
{
	clish_pargv_status_t result = CLISH_BAD_CMD;
	clish_context_t context;
	const clish_command_t *cmd;

	*ret_cmd = cmd = clish_shell_resolve_command(this, line);
	if (!cmd)
		return result;

	/* Now construct the parameters for the command */
	*pargv = clish_pargv_new();
	context.shell = this;
	context.cmd = cmd;
	context.pargv = *pargv;
	result = clish_pargv_analyze(*pargv, cmd, &context, line, 0);
	if (CLISH_LINE_OK != result) {
		clish_pargv_delete(*pargv);
		*pargv = NULL;
	}
	if (*pargv) {
		char str[100];
		char * tmp;
		/* Variable __cur_depth */
		int depth = clish_shell__get_depth(this);
		snprintf(str, sizeof(str) - 1, "%u", depth);
		clish_pargv_insert(*pargv, this->param_depth, str);
		/* Variable __cur_pwd */
		tmp = clish_shell__get_pwd_full(this, depth);
		if (tmp) {
			clish_pargv_insert(*pargv, this->param_pwd, tmp);
			lub_string_free(tmp);
		}
		/* Variable __interactive */
		if (clish_shell__get_interactive(this))
			tmp = "1";
		else
			tmp = "0";
		clish_pargv_insert(*pargv, this->param_interactive, tmp);
	}

	return result;
}

/*----------------------------------------------------------- */
clish_shell_state_t clish_shell__get_state(const clish_shell_t * this)
{
	return this->state;
}

/*----------------------------------------------------------- */
void clish_shell__set_state(clish_shell_t * this,
	clish_shell_state_t state)
{
	assert(this);
	this->state = state;
}

/*----------------------------------------------------------- */