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Add <ruby> support for asian languages

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Reformat ruby annotations in braces.
Before: `01day.01month.1999year`
After: `01.01.1999(daymonthyear)`
This is mainly intended for asian languages, Japanese for example, where current handling of ruby creates a mix of words and readings. With this patch, readings are put in braces after words, improving readability.
This commit is contained in:
Ivan
2024-11-05 18:13:06 +03:00
committed by GitHub
parent 3ce598e0ef
commit 461d14141d
1 changed files with 27 additions and 2 deletions
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29
src/xhtml.c
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@@ -742,6 +742,8 @@ void xhtml_to_stdout (const WString *s, const Epub2TxtOptions *options,
WString *tag = wstring_create_empty();
WString *entity = wstring_create_empty();
WString *para = wstring_create_empty();
WString *ruby = wstring_create_empty();
BOOL inruby = FALSE;
int i, l = wstring_length (s);
uint32_t last_c = 0;
int taglen = 0;
@@ -786,7 +788,7 @@ void xhtml_to_stdout (const WString *s, const Epub2TxtOptions *options,
else
{
WString *s = xhtml_transform_char (c, options->ascii);
wstring_append (para, s);
wstring_append (inruby ? ruby : para, s);
wstring_destroy (s);
}
}
@@ -796,7 +798,7 @@ void xhtml_to_stdout (const WString *s, const Epub2TxtOptions *options,
if (inbody)
{
WString *trans = xhtml_translate_entity (entity);
wstring_append (para, trans);
wstring_append (inruby ? ruby : para, trans);
wstring_destroy (trans);
}
wstring_clear (entity);
@@ -908,6 +910,28 @@ void xhtml_to_stdout (const WString *s, const Epub2TxtOptions *options,
xhtml_set_format (options, format, context);
}
else if (strcasecmp(ss_tag, "ruby") == 0)
{
wstring_clear (ruby);
}
else if (strcasecmp(ss_tag, "/ruby") == 0)
{
// Append concatenated ruby annotations
wstring_append_c (para, '(');
wstring_append (para, ruby);
wstring_append_c (para, ')');
wstring_clear (ruby);
}
else if (strcasecmp(ss_tag, "rt") == 0)
{
// Start accumulating ruby annotations
inruby = TRUE;
}
else if (strcasecmp(ss_tag, "/rt") == 0)
{
inruby = FALSE;
}
free (ss_tag);
wstring_clear (tag);
mode = MODE_ANY;
@@ -942,6 +966,7 @@ void xhtml_to_stdout (const WString *s, const Epub2TxtOptions *options,
wstring_destroy (tag);
wstring_destroy (entity);
wstring_destroy (para);
wstring_destroy (ruby);
wraptext_eof (context);
wraptext_context_free (context);