diff options
Diffstat (limited to 'enc/trans')
-rw-r--r-- | enc/trans/newline.trans | 56 |
1 files changed, 56 insertions, 0 deletions
diff --git a/enc/trans/newline.trans b/enc/trans/newline.trans new file mode 100644 index 0000000000..3d33a1e323 --- /dev/null +++ b/enc/trans/newline.trans @@ -0,0 +1,56 @@ +#include "transcode_data.h" + +<% + map_normalize = {} + map_normalize["{00-ff}"] = :func_so +%> + +<%= transcode_generate_node(ActionMap.parse(map_normalize), "universal_newline") %> + +static int +fun_so_universal_newline(rb_transcoding* t, const unsigned char* s, size_t l, unsigned char* o) +{ + int len; + /* + t->stateful[0] == 0 : normal + t->stateful[0] == 1 : just after '\r' + */ + if (s[0] == '\n') { + if (t->stateful[0] == 0) { + o[0] = '\n'; + len = 1; + } + else { + len = 0; + } + t->stateful[0] = 0; + } + else if (s[0] == '\r') { + o[0] = '\n'; + len = 1; + t->stateful[0] = 1; + } + else { + o[0] = s[0]; + len = 1; + t->stateful[0] = 0; + } + return len; +} + +static const rb_transcoder +rb_universal_newline = { + "universal_newline", "", &universal_newline, + 1, /* input_unit_length */ + 1, /* max_input */ + 1, /* max_output */ + NULL, NULL, NULL, fun_so_universal_newline +}; + + +void +Init_newline(void) +{ + rb_register_transcoder(&rb_universal_newline); +} + |