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| author | akr <akr@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2008-08-09 06:02:01 +0000 |
|---|---|---|
| committer | akr <akr@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2008-08-09 06:02:01 +0000 |
| commit | 139234e1a091ac3167d3bebdfcd29b3952665334 (patch) | |
| tree | c1f7be47d34829813983af23e46340bf806d4ff4 /transcode_data.h | |
| parent | 750cb61e65f35feb70ad855ab3353485cfd75b0c (diff) | |
| download | ruby-139234e1a091ac3167d3bebdfcd29b3952665334.tar.gz | |
* transcode_data.h (rb_transcoding): add fields for restartable
transcoding.
(rb_transcoder): add max_input field.
from_unit_length field is renamed to input_unit_length.
* tool/transcode-tblgen.rb: generate max_input field.
* enc/trans/iso2022.erb.c: follow rb_transcoder change.
* enc/trans/utf_16_32.erb.c: ditto.
* transcode.c (PARTIAL_INPUT): new constant.
(transcode_char_start): new function.
(transcode_result_t): new type.
(transcode_restartable): new function.
(more_output_buffer): new function.
(transcode_loop): use transcode_restartable.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@18452 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
Diffstat (limited to 'transcode_data.h')
| -rw-r--r-- | transcode_data.h | 15 |
1 files changed, 14 insertions, 1 deletions
diff --git a/transcode_data.h b/transcode_data.h index ba2e6e99b3..3801c38ec8 100644 --- a/transcode_data.h +++ b/transcode_data.h @@ -64,15 +64,28 @@ typedef struct rb_transcoding { or NULL if something else is being converted */ unsigned char *(*flush_func)(struct rb_transcoding*, int, int); + int resume_position; + const BYTE_LOOKUP *next_table; + int readlen; + union { + unsigned char ary[8]; /* max_input <= sizeof(ary) */ + unsigned char *ptr; /* length is max_input */ + } readbuf; + unsigned char stateful[256]; /* opaque data for stateful encoding */ } rb_transcoding; +#define TRANSCODING_READBUF(tc) \ + ((tc)->transcoder->max_input <= sizeof((tc)->readbuf.ary) ? \ + (tc)->readbuf.ary : \ + (tc)->readbuf.ptr) /* static structure, one per supported encoding pair */ typedef struct rb_transcoder { const char *from_encoding; const char *to_encoding; const BYTE_LOOKUP *conv_tree_start; - int from_unit_length; + int input_unit_length; + int max_input; int max_output; VALUE (*func_ii)(rb_transcoding*, VALUE); /* info -> info */ VALUE (*func_si)(rb_transcoding*, const unsigned char*, size_t); /* start -> info */ |