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[util] Undo treat as single-paragraph text provided on cmdline 

Reverts d92ee726ce
except that it does so even in batch mode.

Am going to add a --single-par mode that will affect all input
modes.

Part of https://github.com/harfbuzz/harfbuzz/issues/3129
Fixes https://github.com/harfbuzz/harfbuzz/issues/3298
This commit is contained in:
Behdad Esfahbod 2021-11-25 11:34:24 -07:00
parent 903a6baece
commit b58afe586f
1 changed files with 28 additions and 6 deletions
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34
util/text-options.hh
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@ -82,6 +82,8 @@ struct text_options_t
private:
FILE *in_fp = nullptr;
GString *gs = nullptr;
char *line = nullptr;
unsigned line_len = UINT_MAX;
};
struct shape_text_options_t : text_options_t
@ -273,18 +275,38 @@ text_options_t::get_line (unsigned int *len)
{
if (text)
{
if (text_len == -2)
if (!line)
{
line = text;
line_len = text_len;
}
if (line_len == UINT_MAX)
line_len = strlen (line);
if (!line_len)
{
*len = 0;
return nullptr;
}
if (text_len == -1)
text_len = strlen (text);
const char *ret = line;
const char *p = (const char *) memchr (line, '\n', line_len);
unsigned int ret_len;
if (!p)
{
ret_len = line_len;
line += ret_len;
line_len = 0;
}
else
{
ret_len = p - ret;
line += ret_len + 1;
line_len -= ret_len + 1;
}
*len = text_len;
text_len = -2;
return text;
*len = ret_len;
return ret;
}
g_string_set_size (gs, 0);