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2008-03-16 Wu Yongwei <wuyongwei@gmail.com>
Rename init_linebreak_prop_index to init_linebreak for future
safety; make visible certain functions that are potentially useful.
* linebreak.c (init_linebreak_prop_index): Rename to init_linebreak.
(get_next_char_t): Move to linebreakdef.h.
(get_next_char_utf8): Make non-static.
(get_next_char_utf16): Ditto.
(get_next_char_utf32): Ditto.
(set_linebreaks): Ditto.
* linebreak.h (init_linebreak_prop_index): Rename to init_linebreak.
(get_next_char_utf8): Add the function prototype.
(get_next_char_utf16): Ditto.
(get_next_char_utf32): Ditto.
* linebreakdef.h (get_next_char_t): Add the typedef.
(set_linebreaks): Add the function prototype.
2008-03-16 Wu Yongwei <wuyongwei@gmail.com>
* Makefile (OLDGCC): Add support for GCC 2.95.3 (when OLDGCC=Y).
2008-03-15 Wu Yongwei <wuyongwei@gmail.com>
* linebreak.c (set_linebreaks): Fix a bug that `==' was wrongly used
for `='.
2008-03-05 Wu Yongwei <wuyongwei@gmail.com>
Improve the performance by reducing the look-ups of the
language-specific line breaking properties array from the language
name (thanks to Nikolay Pultsin).
* linebreak.c (get_lb_prop_lang): New function.
(get_char_lb_class_lang): Change the second parameter from the
language name to the line breaking properties array.
(set_linebreaks): Look up the language-specific line breaking
properties array from the language name only once in one function
call.
2008-03-03 Wu Yongwei <wuyongwei@gmail.com>
Make minor adjustments in code and comments.
* linebreak.c: Adjust the doc comments.
(init_linebreak_prop_index): Modify a conditional to make it more
robust and consistent.
* linebreakdef.c (lb_prop_lang_map): Replace the pointer
lb_prop_default with NULL, since the value is never used.
2008-03-03 Wu Yongwei <wuyongwei@gmail.com>
Accelerate get_char_lb_class for invalid Unicode code points.
* linebreak.c (get_char_lb_class): Adjust the conditionals so that
getting the line breaking class for an invalid code point is much
faster, which requires the array of line breaking properties be
sorted.
* linebreakdef.h: Adjust a comment that the array of line break
properties must be sorted.
2008-03-02 Wu Yongwei <wuyongwei@gmail.com>
Change the values of enum BreakAction to more complete forms.
* linebreak.c (INDRCT_BRK): Rename to INDIRECT_BRK.
(CM_INDRCT_BRK): Rename to CM_INDIRECT_BRK.
(CM_PROHIBTD_BRK): Rename to CM_PROHIBITED_BRK.
(PROHIBTD_BRK): Rename to PROHIBITED_BRK.
2008-03-02 Wu Yongwei <wuyongwei@gmail.com>
Implement a two-stage search in get_char_lb_class_default to
accelerate the overall performance, especially for non-Latin
languages.
* linebreak.c (LINEBREAK_INDEX_SIZE): New constant macro.
(struct LineBreakPropertiesIndex): New struct.
(lb_prop_index): New static variable.
(init_linebreak_prop_index): New function.
(get_char_lb_class_default): New function.
(get_char_lb_class_lang): Use get_char_lb_class_default.
* linebreak.h: Detect C++ and add extern "C" guard if necessary.
(init_linebreak_prop_index): Add the prototype declaration.
* linebreakdef.h: Adjust a comment.
2008-03-02 Wu Yongwei <wuyongwei@gmail.com>
Split/refactor the code; add (doc) comments.
* Makefile (CFILES): Add linebreakdata.c and linebreakdef.c.
* linebreak.c: Add and adjust comments.
(linebreakdef.h): Add include file.
(linebreakdata.c): Remove include file.
(EOS): Remove (now in linebreakdef.h).
(enum LineBreakClass): Ditto.
(struct LineBreakProperties): Ditto.
(lbpEnglish): Remove (now in linebreakdef.c as lb_prop_English).
(lbpGerman): Remove (now in linebreakdef.c as lb_prop_German).
(lbpSpanish): Remove (now in linebreakdef.c as lb_prop_Spanish).
(lbpFrench): Remove (now in linebreakdef.c as lb_prop_French).
(lbpRussian): Remove (now in linebreakdef.c as lb_prop_Russian).
(lbpChinese): Remove (now in linebreakdef.c as lb_prop_Chinese).
(struct LineBreakPropertiesLang): Remove (now in linebreakdef.h).
(lbpLangs): Remove (now in linebreakdef.c as lb_prop_lang_map).
(get_next_char_utf16): Make sure memory access not go beyond len.
* linebreak.h: Add copyright information and adjust comments.
(stddef.h): Add include file.
* linebreakdata.c (linebreak.h): Add include file.
(linebreakdef.h): Add include file.
(lbpDefault): Make global and rename to lb_prop_default.
* linebreakdata2.tmpl: Add two include files, a comment line, and
remove `static'.
* linebreakdef.c: New file.
* linebreakdef.h: New file.
2008-02-26 Wu Yongwei <wuyongwei@gmail.com>
* linebreak.c (lbpSpanish): New array for Spanish-specific data.
(lbpLangs): Update the index array for Spanish.
(resolve_lb_class): Resolve AmbIguous class to IDeographic in
Chinese, Japanese, and Korean.
2008-02-26 Wu Yongwei <wuyongwei@gmail.com>
* Makefile (LineBreak.txt): Add new rule to retrieve it from the Web
if it is not already there.
2008-02-23 Wu Yongwei <wuyongwei@gmail.com>
Add files for linebreak.
* LineBreak1.sed: New file.
* LineBreak2.sed: New file.
* Makefile: New file.
* filter_dup.c: New file.
* linebreak.c: New file.
* linebreak.h: New file.
* linebreakdata.c: New file.
* linebreakdata1.tmpl: New file.
* linebreakdata2.tmpl: New file.
* linebreakdata3.tmpl: New file.
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