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Align long options in OptionParser usage.

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GitOrigin-RevId: 496c90e876c02ba923e3d7dac7e04a57b4e9766c
This commit is contained in:
levlam 2020-09-14 14:33:42 +03:00
parent 96835d417b
commit b8e0201694
1 changed files with 10 additions and 6 deletions
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16
tdutils/td/utils/OptionParser.cpp
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@ -177,9 +177,10 @@ StringBuilder &operator<<(StringBuilder &sb, const OptionParser &o) {
size_t max_length = 0; size_t max_length = 0;
for (auto &opt : o.options_) { for (auto &opt : o.options_) {
bool has_short_key = opt.short_key != '\0'; size_t length = 2;
bool has_long_key = !opt.long_key.empty(); if (!opt.long_key.empty()) {
size_t length = (has_short_key ? 2 : 0) + (has_long_key ? 2 + opt.long_key.size() + 2 * has_short_key : 0); length += 4 + opt.long_key.size();
}
if (opt.type != OptionParser::Option::Type::NoArg) { if (opt.type != OptionParser::Option::Type::NoArg) {
length += 5; length += 5;
} }
@ -195,15 +196,18 @@ StringBuilder &operator<<(StringBuilder &sb, const OptionParser &o) {
size_t length = max_length; size_t length = max_length;
if (has_short_key) { if (has_short_key) {
sb << '-' << opt.short_key; sb << '-' << opt.short_key;
length -= 2; } else {
sb << " ";
} }
length -= 2;
if (!opt.long_key.empty()) { if (!opt.long_key.empty()) {
if (has_short_key) { if (has_short_key) {
sb << ", "; sb << ", ";
length -= 2; } else {
sb << " ";
} }
sb << "--" << opt.long_key; sb << "--" << opt.long_key;
length -= 2 + opt.long_key.size(); length -= 4 + opt.long_key.size();
} }
if (opt.type != OptionParser::Option::Type::NoArg) { if (opt.type != OptionParser::Option::Type::NoArg) {
sb << "<arg>"; sb << "<arg>";