32 lines
774 B
C
32 lines
774 B
C
// 25 may 2016
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#include "uipriv_unix.h"
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ptrdiff_t *graphemes(const char *text, PangoContext *context)
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{
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size_t len, lenchars;
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PangoLogAttr *logattrs;
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ptrdiff_t *out;
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ptrdiff_t *op;
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size_t i;
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len = strlen(text);
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lenchars = g_utf8_strlen(text, -1);
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logattrs = (PangoLogAttr *) uiAlloc((lenchars + 1) * sizeof (PangoLogAttr), "PangoLogAttr[]");
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pango_get_log_attrs(text, len,
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-1, NULL,
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logattrs, lenchars + 1);
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// should be more than enough
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out = (ptrdiff_t *) uiAlloc((lenchars + 2) * sizeof (ptrdiff_t), "ptrdiff_t[]");
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op = out;
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for (i = 0; i < lenchars; i++)
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if (logattrs[i].is_cursor_position != 0)
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// TODO optimize this
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*op++ = g_utf8_offset_to_pointer(text, i) - text;
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// and do the last one
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*op++ = len;
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uiFree(logattrs);
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return out;
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}
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