#include "ratio.h"
#include "rect.h"
#include "render_text.h"
+#include "scope_guard.h"
#include "string_text.h"
#include "text_decoder.h"
#include "util.h"
#include <unicode/utypes.h>
#include <unicode/unistr.h>
#include <unicode/translit.h>
+#include <unicode/brkiter.h>
#include <boost/algorithm/string.hpp>
#include <boost/range/algorithm/replace_if.hpp>
#include <boost/thread.hpp>
return boost::filesystem::is_regular_file(dir / "ASSETMAP") || boost::filesystem::is_regular_file(dir / "ASSETMAP.xml");
}
+
+string
+word_wrap(string input, int columns)
+{
+ icu::Locale locale;
+ UErrorCode status = U_ZERO_ERROR;
+ auto iter = icu::BreakIterator::createLineInstance(locale, status);
+ ScopeGuard sg = [iter]() { delete iter; };
+ if (U_FAILURE(status)) {
+ return input;
+ }
+
+ auto input_icu = icu::UnicodeString::fromUTF8(icu::StringPiece(input));
+ iter->setText(input_icu);
+
+ int position = 0;
+ string output;
+ while (position < input_icu.length()) {
+ int end_of_line = iter->preceding(position + columns + 1);
+ icu::UnicodeString line;
+ if (end_of_line <= position) {
+ /* There's no good line-break position; just break in the middle of a word */
+ line = input_icu.tempSubString(position, columns);
+ position += columns;
+ } else {
+ line = input_icu.tempSubString(position, end_of_line - position);
+ position = end_of_line;
+ }
+ line.toUTF8String(output);
+ output += "\n";
+ }
+
+ return output;
+}
+