klish/lub/argv/argv_new.c

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

#include <stdlib.h>
#include <string.h>

/*--------------------------------------------------------- */
static void lub_argv_init(lub_argv_t * this, const char *line, size_t offset)
{
	size_t len;
	const char *word;
	lub_arg_t *arg;
	bool_t quoted;

	/* Save the whole line */
	this->line = lub_string_dup(line);

	/* first of all count the words in the line */
	this->argc = lub_argv_wordcount(line);

	/* allocate space to hold the vector */
	arg = this->argv = malloc(sizeof(lub_arg_t) * this->argc);

	if (arg) {
		/* then fill out the array with the words */
		for (word = lub_argv_nextword(line, &len, &offset, &quoted);
		     *word;
		     word =
		     lub_argv_nextword(word + len, &len, &offset, &quoted)) {
			char *tmp = lub_string_dupn(word, len);
			(*arg).arg = lub_string_decode(tmp);
			lub_string_free(tmp);
			(*arg).offset = offset;
			(*arg).quoted = quoted;

			offset += len;

			if (BOOL_TRUE == quoted) {
				len += 1;	/* account for terminating quotation mark */
				offset += 2;	/* account for quotation marks */
			}
			arg++;
		}
	} else {
		/* failed to get memory so don't pretend otherwise */
		this->argc = 0;
	}
}

/*--------------------------------------------------------- */
lub_argv_t *lub_argv_new(const char *line, size_t offset)
{
	lub_argv_t *this;

	this = malloc(sizeof(lub_argv_t));
	if (NULL != this) {
		lub_argv_init(this, line, offset);
	}
	return this;
}

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