Real peak_around (Real epsilon, Real threshold, Real x);
Real convex_amplifier (Real standard_x, Real increase_factor, Real x);
string camel_case_to_lisp_identifier (string in);
+vsize utf8_char_len (char);
#endif
#include "misc.hh"
+#include "warn.hh"
/*
Return the 2-log, rounded down
return result;
}
+vsize
+utf8_char_len (char current)
+{
+ vsize char_len = 1;
+
+ // U+10000 - U+10FFFF
+ if ((current & 0xF0) == 0xF0)
+ char_len = 4;
+ // U+0800 - U+FFFF
+ else if ((current & 0xE0) == 0xE0)
+ char_len = 3;
+ // U+0080 - U+07FF
+ else if ((current & 0xC0) == 0xC0)
+ char_len = 2;
+ else if (current & 0x80)
+ programming_error ("invalid UTF-8 string");
+
+ return char_len;
+}
#include "text-interface.hh"
-
-#include "main.hh"
#include "config.hh"
-#include "pango-font.hh"
-#include "warn.hh"
-#include "grob.hh"
#include "font-interface.hh"
-#include "output-def.hh"
+#include "grob.hh"
+#include "main.hh"
+#include "misc.hh"
#include "modified-font-metric.hh"
+#include "output-def.hh"
+#include "pango-font.hh"
+#include "warn.hh"
static void
replace_whitespace (string *str)
while (i < n)
{
- vsize char_len = 1;
char cur = (*str)[i];
-
- // U+10000 - U+10FFFF
- if ((cur & 0xF0) == 0xF0)
- char_len = 4;
- // U+0800 - U+FFFF
- else if ((cur & 0xE0) == 0xE0)
- char_len = 3;
- // U+0080 - U+07FF
- else if ((cur & 0xC0) == 0xC0)
- char_len = 2;
- else if (cur & 0x80)
- programming_error ("invalid utf-8 string");
- else
- // avoid the locale-dependent isspace
- if (cur == '\n' || cur == '\t' || cur == '\v')
- (*str)[i] = ' ';
+
+ // avoid the locale-dependent isspace
+ if (cur == '\n' || cur == '\t' || cur == '\v')
+ (*str)[i] = ' ';
+
+ vsize char_len = utf8_char_len (cur);
i += char_len;
}