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* include/ruby/encoding.h (rb_econv_putbackable): declared.
(rb_econv_putback): ditto. * transcode.c (rb_econv_putbackable): implemented. (rb_econv_putback): ditto. * io.c (io_getc): put back bytes if possible. git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@18670 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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10
ChangeLog
10
ChangeLog
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@ -1,3 +1,13 @@
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Sun Aug 17 13:23:53 2008 Tanaka Akira <akr@fsij.org>
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* include/ruby/encoding.h (rb_econv_putbackable): declared.
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(rb_econv_putback): ditto.
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* transcode.c (rb_econv_putbackable): implemented.
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(rb_econv_putback): ditto.
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* io.c (io_getc): put back bytes if possible.
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Sun Aug 17 12:00:18 2008 Tanaka Akira <akr@fsij.org>
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* transcode.c (make_econv_exception): add several instance variables
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@ -253,6 +253,7 @@ rb_econv_result_t rb_econv_convert(rb_econv_t *ec,
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const unsigned char **source_buffer_ptr, const unsigned char *source_buffer_end,
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unsigned char **destination_buffer_ptr, unsigned char *destination_buffer_end,
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int flags);
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void rb_econv_close(rb_econv_t *ec);
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/* result: 0:success -1:failure */
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int rb_econv_insert_output(rb_econv_t *ec,
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@ -264,7 +265,8 @@ const char *rb_econv_encoding_to_insert_output(rb_econv_t *ec);
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/* raise an error if the last rb_econv_convert is error */
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void rb_econv_check_error(rb_econv_t *ec);
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void rb_econv_close(rb_econv_t *ec);
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int rb_econv_putbackable(rb_econv_t *ec);
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void rb_econv_putback(rb_econv_t *ec, unsigned char *p, int n);
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/* flags for rb_econv_open */
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#define ECONV_UNIVERSAL_NEWLINE_DECODER 0x100
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7
io.c
7
io.c
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@ -2308,6 +2308,7 @@ io_getc(rb_io_t *fptr, rb_encoding *enc)
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const unsigned char *ss, *sp, *se;
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unsigned char *ds, *dp, *de;
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rb_econv_result_t res;
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int putbackable;
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if (fptr->crbuf_len) {
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r = rb_enc_precise_mbclen(fptr->crbuf+fptr->crbuf_off, fptr->crbuf+fptr->crbuf_off+fptr->crbuf_len, fptr->enc);
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if (!MBCLEN_NEEDMORE_P(r))
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@ -2332,6 +2333,12 @@ io_getc(rb_io_t *fptr, rb_encoding *enc)
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fptr->rbuf_off += sp - ss;
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fptr->rbuf_len -= sp - ss;
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fptr->crbuf_len += dp - ds;
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putbackable = rb_econv_putbackable(fptr->readconv);
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if (putbackable) {
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rb_econv_putback(fptr->readconv, (unsigned char *)fptr->rbuf + fptr->rbuf_off - putbackable, putbackable);
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fptr->rbuf_off -= putbackable;
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fptr->rbuf_len += putbackable;
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}
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rb_econv_check_error(fptr->readconv);
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}
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if (MBCLEN_INVALID_P(r)) {
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@ -216,6 +216,16 @@ EOT
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}
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end
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def test_getc_invalid
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with_pipe("euc-jp:utf-8") {|r, w|
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w << "\xa1xyz"
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w.close
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err = assert_raise(Encoding::InvalidByteSequence) { r.getc }
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assert_equal("\xA1".force_encoding("ascii-8bit"), err.error_bytes)
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assert_equal("xyz", r.read(10))
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}
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end
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def test_getc_stateful_conversion
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with_tmpdir {
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src = "\e$B\x23\x30\x23\x31\e(B".force_encoding("iso-2022-jp")
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14
transcode.c
14
transcode.c
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@ -1202,6 +1202,20 @@ rb_econv_close(rb_econv_t *ec)
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xfree(ec);
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}
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int
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rb_econv_putbackable(rb_econv_t *ec)
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{
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return ec->elems[0].tc->readagain_len;
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}
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void
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rb_econv_putback(rb_econv_t *ec, unsigned char *p, int n)
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{
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rb_transcoding *tc = ec->elems[0].tc;
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memcpy(p, TRANSCODING_READBUF(tc) + tc->recognized_len, n);
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tc->readagain_len -= n;
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}
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static VALUE
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make_econv_exception(rb_econv_t *ec)
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{
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