diff options
Diffstat (limited to 'transcode.c')
| -rw-r--r-- | transcode.c | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/transcode.c b/transcode.c index 35547d1007..32e3d082af 100644 --- a/transcode.c +++ b/transcode.c @@ -2096,6 +2096,29 @@ econv_primitive_insert_output(VALUE self, VALUE string) return Qtrue; } +static VALUE +econv_primitive_putback(VALUE self, VALUE max) +{ + rb_econv_t *ec = check_econv(self); + int n; + int putbackable; + VALUE str; + + if (NIL_P(max)) + n = rb_econv_putbackable(ec); + else { + n = NUM2INT(max); + putbackable = rb_econv_putbackable(ec); + if (putbackable < n) + n = putbackable; + } + + str = rb_str_new(NULL, n); + rb_econv_putback(ec, (unsigned char *)RSTRING_PTR(str), n); + + return str; +} + void rb_econv_check_error(rb_econv_t *ec) { @@ -2156,6 +2179,7 @@ Init_transcode(void) rb_define_method(rb_cEncodingConverter, "primitive_convert", econv_primitive_convert, -1); rb_define_method(rb_cEncodingConverter, "primitive_errinfo", econv_primitive_errinfo, 0); rb_define_method(rb_cEncodingConverter, "primitive_insert_output", econv_primitive_insert_output, 1); + rb_define_method(rb_cEncodingConverter, "primitive_putback", econv_primitive_putback, 1); rb_define_const(rb_cEncodingConverter, "PARTIAL_INPUT", INT2FIX(ECONV_PARTIAL_INPUT)); rb_define_const(rb_cEncodingConverter, "OUTPUT_FOLLOWED_BY_INPUT", INT2FIX(ECONV_OUTPUT_FOLLOWED_BY_INPUT)); rb_define_const(rb_cEncodingConverter, "UNIVERSAL_NEWLINE_DECODER", INT2FIX(ECONV_UNIVERSAL_NEWLINE_DECODER)); |