to reduce coupling between table generation script and
specific encodings.
* enc/trans/single_byte.trans: using set_valid_byte_pattern
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from transcode_tblgen_windows.
(transcode_tblgen_iso8859): use transcode_tblgen_singlebyte.
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also returns ssize_t.
* enc/trans/iso2022.trans: follow the type change.
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* transcode.c (transcode_restartable0): don't need to cast the result
of output functions.
* enc/trans/newline.trans: follow the type change.
* enc/trans/escape.trans: ditto.
* enc/trans/utf_16_32.trans: ditto.
* enc/trans/iso2022.trans: ditto.
* enc/trans/japanese.trans: ditto.
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from rb_econv_stateless_encoding to apply stateless ASCII
incompatible encodings such as UTF-16BE.
* io.c (make_writeconv): use rb_econv_asciicompat_encoding.
* transcode_data.h (rb_transcoder_asciicompat_type_t): renamed from
rb_transcoder_stateful_type_t.
(rb_transcoder): use rb_transcoder_asciicompat_type_t.
* transcode.c: follow the type change.
(asciicompat_encoding_i): renamed from stateless_encoding_i.
(rb_econv_asciicompat_encoding): renamed from
rb_econv_stateless_encoding.
(econv_s_asciicompat_encoding): method renamed.
* tool/transcode-tblgen.rb: follow the type change.
* enc/trans/utf_16_32.trans: follow the type change.
rb_from_UTF_16BE to UTF-8 is asciicompat_decoder.
rb_from_UTF_16LE to UTF-8 is asciicompat_decoder.
rb_from_UTF_32BE to UTF-8 is asciicompat_decoder.
rb_from_UTF_32LE to UTF-8 is asciicompat_decoder.
UTF-8 to rb_to_UTF_16BE is asciicompat_encoder.
UTF-8 to rb_to_UTF_16LE is asciicompat_encoder.
UTF-8 to rb_to_UTF_32BE is asciicompat_encoder.
UTF-8 to rb_to_UTF_32LE is asciicompat_encoder.
* enc/trans/newline.trans: follow the type change. universal newline
decoder is asciicompat_converter.
* enc/trans/escape.trans: follow the type change.
* enc/trans/iso2022.trans: ditto.
* enc/trans/japanese.trans: ditto.
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undefined conversion error between iso-2022-jp and the corresponding
stateless encoding.
* enc/emacs_mule.c: replicate emacs-mule as stateless-iso-2022-jp.
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* tool/transcode-tblgen.rb: generate an empty line after str1.
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(fun_so_escape_html_attr): new function.
(escape_html_attr_finish): new function.
(rb_escape_html_attr): use them to quote the converted result.
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add state field.
(TRANSCODING_STATE): defined.
(rb_transcoder): add fields: state_size, state_init_func,
state_fini_func.
change rb_transcoding* argument to void*.
* transcode.c (transcode_restartable0): use TRANSCODING_STATE for
first arguments of transcoder functions.
(rb_transcoding_open_by_transcoder): initialize state field.
(rb_transcoding_close): finalize state field.
* tool/transcode-tblgen.rb: provide state size/init/fini.
* enc/trans/newline.trans (universal_newline_init): defined.
(fun_so_universal_newline): take void* as a state pointer.
(rb_universal_newline): provide state size/init/fini.
(rb_crlf_newline): ditto.
(rb_cr_newline): ditto.
* enc/trans/iso2022.trans (iso2022jp_init): defined.
(fun_si_iso2022jp_to_eucjp): take void* as a state pointer.
(fun_so_iso2022jp_to_eucjp): ditto.
(fun_so_eucjp_to_iso2022jp): ditto.
(iso2022jp_reset_sequence_size): ditto.
(finish_eucjp_to_iso2022jp): ditto.
(rb_ISO_2022_JP_to_EUC_JP): provide state size/init/fini.
(rb_EUC_JP_to_ISO_2022_JP): ditto.
* enc/trans/utf_16_32.trans (fun_so_from_utf_16be): take void* as a
state pointer.
(fun_so_to_utf_16be): ditto.
(fun_so_from_utf_16le): ditto.
(fun_so_to_utf_16le): ditto.
(fun_so_from_utf_32be): ditto.
(fun_so_to_utf_32be): ditto.
(fun_so_from_utf_32le): ditto.
(fun_so_to_utf_32le): ditto.
(rb_from_UTF_16BE): provide state size/init/fini.
(rb_to_UTF_16BE): ditto.
(rb_from_UTF_16LE): ditto.
(rb_to_UTF_16LE): ditto.
(rb_from_UTF_32BE): ditto.
(rb_to_UTF_32BE): ditto.
(rb_from_UTF_32LE): ditto.
(rb_to_UTF_32LE): ditto.
* enc/trans/japanese.trans (fun_so_eucjp2sjis): take void* as a state
pointer.
(fun_so_sjis2eucjp): ditto.
(rb_eucjp2sjis): provide state size/init/fini.
(rb_sjis2eucjp): provide state size/init/fini.
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code. use it in rb_transcoder.
* enc/trans/newline.trans: use TRANSCODE_TABLE_INFO.
* enc/trans/iso2022.trans: ditto.
* enc/trans/utf_16_32.trans: ditto.
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eucJP-ms.
* enc/trans/japanese.trans (eucJP-ms): eucJP-ms is the correct
name of the encoding in Ruby.
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* include/ruby/encoding.h (rb_econv_t): new field: flags.
(rb_econv_binmode): declared.
* io.c (io_unread): text mode hack removed.
(NEED_NEWLINE_DECODER): defined.
(NEED_NEWLINE_ENCODER): defined.
(NEED_READCONV): defined.
(NEED_WRITECONV): defined.
(TEXTMODE_NEWLINE_ENCODER): defined for windows.
(make_writeconv): setup converter with TEXTMODE_NEWLINE_ENCODER for
text mode.
(io_fwrite): use NEED_WRITECONV. character code conversion is
disabled if fptr->writeconv_stateless is nil.
(make_readconv): setup converter with
ECONV_UNIVERSAL_NEWLINE_DECODER for text mode.
(read_all): use NEED_READCONV.
(appendline): use NEED_READCONV.
(rb_io_getline_1): use NEED_READCONV.
(io_getc): use NEED_READCONV.
(rb_io_ungetc): use NEED_READCONV.
(rb_io_binmode): OS-level text mode test removed. call
rb_econv_binmode.
(rb_io_binmode_m): call rb_io_binmode_m with write_io as well.
(rb_io_flags_mode): return mode string including "t".
(rb_io_mode_flags): detect "t" for text mode.
(rb_sysopen): always specify O_BINARY.
* transcode.c (rb_econv_open_by_transcoder_entries): initialize flags.
(rb_econv_open): if source and destination encoding is
both empty string, open newline converter. last_tc will be NULL in
this case.
(rb_econv_encoding_to_insert_output): last_tc may be NULL now.
(rb_econv_string): ditto.
(output_replacement_character): ditto.
(transcode_loop): ditto.
(econv_init): ditto.
(econv_inspect): ditto.
(rb_econv_binmode): new function.
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in_data_start, in_data_end, in_buf_end and last_trans_index.
(rb_econv_output): removed.
(rb_econv_insert_output): declared.
(rb_econv_encoding_to_insert_output): declared.
* enc/trans/newline.trans (rb_universal_newline): stateful_type
changed.
* transcode.c (transcode_restartable0): initialize inchar_start,
tc->recognized_len and next_table at beginning of the loop.
(rb_econv_open_by_transcoder_entries): initialize new fields.
(rb_econv_open): setup last_trans_index.
(trans_sweep): last out_buf_start can be non-NULL now.
(rb_econv_convert): check last out_buf_start and in_buf_start at
first.
(rb_econv_output_with_destination_encoding): removed.
(econv_just_convert): removed.
(rb_econv_output): removed.
(econv_primitive_output): method removed.
(rb_econv_encoding_to_insert_output): new function.
(allocate_converted_string): new function.
(rb_econv_insert_output): new function.
(econv_primitive_insert_output): new method.
(output_replacement_character): use rb_econv_insert_output. unused
arguments removed.
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* transcode_data.h (rb_transcoder): add resetsize_func field.
* enc/trans/iso2022.trans (iso2022jp_reset_sequence_size): defined.
(rb_EUC_JP_to_ISO_2022_JP): provede resetsize_func.
* tool/transcode-tblgen.rb: set NULL for resetsize_func.
* transcode.c (rb_econv_output): new function for inserting output.
(output_replacement_character): use rb_econv_output.
(transcode_loop): check return value of
output_replacement_character.
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(rb_cr_newline): new transcoder.
* transcode.c (trans_open_i): one more exra room for input newline
converter.
(rb_trans_open): crlf newline and cr newline implemented.
(Init_transcode): Encoding::Converter::CRLF_NEWLINE and
Encoding::Converter::LF_NEWLINE defined.
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resetting a state of stateful encoding.
* enc/trans/iso2022.trans (rb_EUC_JP_to_ISO_2022_JP): specify
finish_eucjp_to_iso2022jp for resetstate_func.
* tool/transcode-tblgen.rb: specify NULL for resetstate_func.
* transcode.c (output_replacement_character): call resetstate_func
before appending the replacement character.
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