57 lines
1.3 KiB
C++
57 lines
1.3 KiB
C++
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#include <pbd/shortpath.h>
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using namespace Glib;
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using namespace std;
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ustring
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short_path (const Glib::ustring& path, ustring::size_type target_characters)
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{
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ustring::size_type last_sep;
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ustring::size_type len = path.length();
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const char separator = '/';
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if (len <= target_characters) {
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return path;
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}
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if ((last_sep = path.find_last_of (separator)) == ustring::npos) {
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/* just a filename, but its too long anyway */
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if (target_characters > 3) {
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return path.substr (0, target_characters - 3) + ustring ("...");
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} else {
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/* stupid caller, just hand back the whole thing */
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return path;
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}
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}
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if (len - last_sep >= target_characters) {
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/* even the filename itself is too long */
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if (target_characters > 3) {
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return path.substr (last_sep+1, target_characters - 3) + ustring ("...");
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} else {
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/* stupid caller, just hand back the whole thing */
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return path;
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}
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}
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uint32_t so_far = (len - last_sep);
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uint32_t space_for = target_characters - so_far;
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if (space_for >= 3) {
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ustring res = "...";
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res += path.substr (last_sep - space_for);
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return res;
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} else {
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/* remove part of the end */
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ustring res = "...";
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res += path.substr (last_sep - space_for, len - last_sep + space_for - 3);
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res += "...";
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return res;
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}
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}
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