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add open-input-string

This commit is contained in:
Yuichi Nishiwaki 2014-02-08 23:23:53 +09:00
parent 383026a64e
commit 8d067f66ed
1 changed files with 22 additions and 0 deletions
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22
src/port.c
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@ -196,6 +196,25 @@ pic_port_close_port(pic_state *pic)
return pic_none_value(); return pic_none_value();
} }
static pic_value
pic_port_open_input_string(pic_state *pic)
{
struct pic_port *port;
char *str;
size_t len;
pic_get_args(pic, "s", &str, &len);
port = (struct pic_port *)pic_obj_alloc(pic, sizeof(struct pic_port *), PIC_TT_PORT);
port->file = xmopen();
port->flags = PIC_PORT_IN | PIC_PORT_TEXT;
port->status = PIC_PORT_OPEN;
xfputs(str, port->file);
return pic_obj_value(port);
}
#define assert_port_profile(port, flgs, stat, caller) do { \ #define assert_port_profile(port, flgs, stat, caller) do { \
if ((port->flags & (flgs)) != (flgs)) { \ if ((port->flags & (flgs)) != (flgs)) { \
switch (flgs) { \ switch (flgs) { \
@ -385,6 +404,9 @@ pic_init_port(pic_state *pic)
pic_defun(pic, "close-input-port", pic_port_close_port); pic_defun(pic, "close-input-port", pic_port_close_port);
pic_defun(pic, "close-output-port", pic_port_close_port); pic_defun(pic, "close-output-port", pic_port_close_port);
/* string I/O */
pic_defun(pic, "open-input-string", pic_port_open_input_string);
/* input */ /* input */
pic_defun(pic, "read-char", pic_port_read_char); pic_defun(pic, "read-char", pic_port_read_char);
pic_defun(pic, "peek-char", pic_port_peek_char); pic_defun(pic, "peek-char", pic_port_peek_char);