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Code Issues Releases Wiki Activity

Aligment in multiline description (#269)

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This commit is contained in:
elszon 2019-04-28 16:22:36 +02:00 committed by Henry Schreiner
parent b1036a1ad0
commit ca4bc6a6fc
2 changed files with 18 additions and 1 deletions
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7
include/CLI/StringTools.hpp
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@ -164,7 +164,12 @@ inline std::ostream &format_help(std::ostream &out, std::string name, std::strin
if(!description.empty()) {
if(name.length() >= wid)
out << "\n" << std::setw(static_cast<int>(wid)) << "";
out << description;
for(const char c : description) {
out.put(c);
if(c == '\n') {
out << std::setw(static_cast<int>(wid)) << "";
}
}
}
out << "\n";
return out;

12
tests/HelpTest.cpp
View File

@ -470,6 +470,18 @@ TEST(THelp, CustomHelp) {
}
}
TEST(THelp, NextLineShouldBeAlignmentInMultilineDescription) {
CLI::App app;
int i;
const std::string first{"first line"};
const std::string second{"second line"};
app.add_option("-i,--int", i, first + "\n" + second);
const std::string help = app.help();
const auto width = app.get_formatter()->get_column_width();
EXPECT_THAT(help, HasSubstr(first + "\n" + std::string(width, ' ') + second));
}
TEST(THelp, NiceName) {
CLI::App app;