diff --git a/src/test/util_tests.cpp b/src/test/util_tests.cpp index 0e53a57593e..0b071361d81 100644 --- a/src/test/util_tests.cpp +++ b/src/test/util_tests.cpp @@ -351,4 +351,15 @@ BOOST_AUTO_TEST_CASE(test_ParseInt32) BOOST_CHECK(!ParseInt32("32482348723847471234", NULL)); } +BOOST_AUTO_TEST_CASE(test_FormatParagraph) +{ + BOOST_CHECK_EQUAL(FormatParagraph("", 79, 0), ""); + BOOST_CHECK_EQUAL(FormatParagraph("test", 79, 0), "test"); + BOOST_CHECK_EQUAL(FormatParagraph(" test", 79, 0), "test"); + BOOST_CHECK_EQUAL(FormatParagraph("test test", 79, 0), "test test"); + BOOST_CHECK_EQUAL(FormatParagraph("test test", 4, 0), "test\ntest"); + BOOST_CHECK_EQUAL(FormatParagraph("testerde test ", 4, 0), "testerde\ntest"); + BOOST_CHECK_EQUAL(FormatParagraph("test test", 4, 4), "test\n test"); +} + BOOST_AUTO_TEST_SUITE_END() diff --git a/src/util.cpp b/src/util.cpp index cccf2df4840..3e3dabb678a 100644 --- a/src/util.cpp +++ b/src/util.cpp @@ -1407,3 +1407,38 @@ std::string DateTimeStrFormat(const char* pszFormat, int64_t nTime) ss << boost::posix_time::from_time_t(nTime); return ss.str(); } + +std::string FormatParagraph(const std::string in, size_t width, size_t indent) +{ + std::stringstream out; + size_t col = 0; + size_t ptr = 0; + while(ptr < in.size()) + { + // Find beginning of next word + ptr = in.find_first_not_of(' ', ptr); + if (ptr == std::string::npos) + break; + // Find end of next word + size_t endword = in.find_first_of(' ', ptr); + if (endword == std::string::npos) + endword = in.size(); + // Add newline and indentation if this wraps over the allowed width + if (col > 0) + { + if ((col + endword - ptr) > width) + { + out << '\n'; + for(size_t i=0; i