C++ (Cpp) white_spaces Examples

Example #1

File: json.c Project: kaduk/heimdal

static int
parse_item(heim_array_t array, struct parse_ctx *ctx)
{
    heim_object_t value;

    if (white_spaces(ctx))
	return -1;

    if (*ctx->p == ']') {
	ctx->p++; /* safe because parse_value() calls white_spaces() first */
	return 0;
    }

    value = parse_value(ctx);
    if (value == NULL &&
	(ctx->error || (ctx->flags & HEIM_JSON_F_NO_C_NULL)))
	return -1;

    heim_array_append_value(array, value);
    heim_release(value);

    if (white_spaces(ctx))
	return -1;

    if (*ctx->p == ']') {
	ctx->p++;
	return 0;
    } else if (*ctx->p == ',') {
	ctx->p++;
	return 1;
    }
    return -1;
}

Example #2

static int
parse_item(heim_array_t array, struct parse_ctx *ctx)
{
    heim_object_t value;

    if (white_spaces(ctx))
	return -1;

    if (*ctx->p == ']')
	return 0;

    value = parse_value(ctx);
    if (value == NULL)
	return -1;

    heim_array_append_value(array, value);
    heim_release(value);

    if (white_spaces(ctx))
	return -1;

    if (*ctx->p == ']') {
	ctx->p++;
	return 0;
    } else if (*ctx->p == ',') {
	ctx->p++;
	return 1;
    }
    return -1;
}

Example #3

static int
parse_pair(heim_dict_t dict, struct parse_ctx *ctx)
{
    heim_string_t key;
    heim_object_t value;

    if (white_spaces(ctx))
	return -1;

    if (*ctx->p == '}')
	return 0;

    key = parse_string(ctx);
    if (key == NULL)
	return -1;

    if (white_spaces(ctx))
	return -1;

    if (*ctx->p != ':') {
	heim_release(key);
	return -1;
    }

    ctx->p += 1;

    if (white_spaces(ctx)) {
	heim_release(key);
	return -1;
    }

    value = parse_value(ctx);
    if (value == NULL) {
	heim_release(key);
	return -1;
    }
    heim_dict_set_value(dict, key, value);
    heim_release(key);
    heim_release(value);

    if (white_spaces(ctx))
	return -1;

    if (*ctx->p == '}') {
	ctx->p++;
	return 0;
    } else if (*ctx->p == ',') {
	ctx->p++;
	return 1;
    }
    return -1;
}

Example #4

File: json.c Project: kaduk/heimdal

static heim_object_t
parse_value(struct parse_ctx *ctx)
{
    size_t len;
    heim_object_t o;

    if (white_spaces(ctx))
	return NULL;

    if (*ctx->p == '"') {
	return parse_string(ctx);
    } else if (*ctx->p == '{') {
	if (ctx->depth-- == 1) {
	    ctx->error = heim_error_create(EINVAL, "JSON object too deep");
	    return NULL;
	}
	o = parse_dict(ctx);
	ctx->depth++;
	return o;
    } else if (*ctx->p == '[') {
	if (ctx->depth-- == 1) {
	    ctx->error = heim_error_create(EINVAL, "JSON object too deep");
	    return NULL;
	}
	o = parse_array(ctx);
	ctx->depth++;
	return o;
    } else if (is_number(*ctx->p) || *ctx->p == '-') {
	return parse_number(ctx);
    }

    len = ctx->pend - ctx->p;

    if ((ctx->flags & HEIM_JSON_F_NO_C_NULL) == 0 &&
	len >= 6 && memcmp(ctx->p, "<NULL>", 6) == 0) {
	ctx->p += 6;
	return heim_null_create();
    } else if (len >= 4 && memcmp(ctx->p, "null", 4) == 0) {
	ctx->p += 4;
	return heim_null_create();
    } else if (len >= 4 && strncasecmp((char *)ctx->p, "true", 4) == 0) {
	ctx->p += 4;
	return heim_bool_create(1);
    } else if (len >= 5 && strncasecmp((char *)ctx->p, "false", 5) == 0) {
	ctx->p += 5;
	return heim_bool_create(0);
    }

    ctx->error = heim_error_create(EINVAL, "unknown char %c at %lu line %lu",
				   (char)*ctx->p, 
				   (unsigned long)(ctx->p - ctx->pstart),
				   ctx->lineno);
    return NULL;
}

Example #5

static heim_object_t
parse_value(struct parse_ctx *ctx)
{
    size_t len;

    if (white_spaces(ctx))
	return NULL;

    if (*ctx->p == '"') {
	return parse_string(ctx);
    } else if (*ctx->p == '{') {
	return parse_dict(ctx);
    } else if (*ctx->p == '[') {
	return parse_array(ctx);
    } else if (is_number(*ctx->p) || *ctx->p == '-') {
	return parse_number(ctx);
    }

    len = ctx->pend - ctx->p;

    if (len >= 4 && memcmp(ctx->p, "null", 4) == 0) {
	ctx->p += 4;
	return heim_null_create();
    } else if (len >= 4 && strncasecmp((char *)ctx->p, "true", 4) == 0) {
	ctx->p += 4;
	return heim_bool_create(1);
    } else if (len >= 5 && strncasecmp((char *)ctx->p, "false", 5) == 0) {
	ctx->p += 5;
	return heim_bool_create(0);
    }

    ctx->error = heim_error_create(EINVAL, "unknown char %c at %lu line %lu",
				   (char)*ctx->p, 
				   (unsigned long)(ctx->p - ctx->pstart),
				   ctx->lineno);
    return NULL;
}

Example #6

File: json.c Project: kaduk/heimdal

static int
parse_pair(heim_dict_t dict, struct parse_ctx *ctx)
{
    heim_string_t key;
    heim_object_t value;

    if (white_spaces(ctx))
	return -1;

    if (*ctx->p == '}') {
	ctx->p++;
	return 0;
    }

    if (ctx->flags & HEIM_JSON_F_STRICT_DICT)
	/* JSON allows only string keys */
	key = parse_string(ctx);
    else
	/* heim_dict_t allows any heim_object_t as key */
	key = parse_value(ctx);
    if (key == NULL)
	/* Even heim_dict_t does not allow C NULLs as keys though! */
	return -1;

    if (white_spaces(ctx)) {
	heim_release(key);
	return -1;
    }

    if (*ctx->p != ':') {
	heim_release(key);
	return -1;
    }

    ctx->p += 1; /* safe because we call white_spaces() next */

    if (white_spaces(ctx)) {
	heim_release(key);
	return -1;
    }

    value = parse_value(ctx);
    if (value == NULL &&
	(ctx->error != NULL || (ctx->flags & HEIM_JSON_F_NO_C_NULL))) {
	if (ctx->error == NULL)
	    ctx->error = heim_error_create(EINVAL, "Invalid JSON encoding");
	heim_release(key);
	return -1;
    }
    heim_dict_set_value(dict, key, value);
    heim_release(key);
    heim_release(value);

    if (white_spaces(ctx))
	return -1;

    if (*ctx->p == '}') {
	/*
	 * Return 1 but don't consume the '}' so we can count the one
	 * pair in a one-pair dict
	 */
	return 1;
    } else if (*ctx->p == ',') {
	ctx->p++;
	return 1;
    }
    return -1;
}