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#include <mbgl/text/tagged_string.hpp>
#include <mbgl/math/minmax.hpp>
#include <mbgl/util/i18n.hpp>
namespace mbgl {
void TaggedString::addSection(const std::u16string& sectionText, double scale, FontStack fontStack, const optional<FormattedSectionID>& id) {
styledText.first += sectionText;
sections.emplace_back(scale, fontStack, id);
styledText.second.resize(styledText.first.size(), sections.size() - 1);
}
void TaggedString::trim() {
std::size_t beginningWhitespace = styledText.first.find_first_not_of(u" \t\n\v\f\r");
if (beginningWhitespace == std::u16string::npos) {
// Entirely whitespace
styledText.first.clear();
styledText.second.clear();
} else {
std::size_t trailingWhitespace = styledText.first.find_last_not_of(u" \t\n\v\f\r") + 1;
styledText.first = styledText.first.substr(beginningWhitespace, trailingWhitespace - beginningWhitespace);
styledText.second = std::vector<std::size_t>(styledText.second.begin() + beginningWhitespace, styledText.second.begin() + trailingWhitespace);
}
}
double TaggedString::getMaxScale() const {
double maxScale = 0.0;
for (std::size_t i = 0; i < styledText.first.length(); i++) {
maxScale = util::max(maxScale, getSection(i).scale);
}
return maxScale;
}
void TaggedString::verticalizePunctuation() {
// Relies on verticalization changing characters in place so that style indices don't need updating
styledText.first = util::i18n::verticalizePunctuation(styledText.first);
}
bool TaggedString::hasMultipleUniqueSections() const noexcept {
if (sections.size() < 2) {
return false;
}
const auto& id = sections.at(0).id;
for (std::size_t i = 1; i < sections.size(); ++i) {
if (id != sections.at(i).id) {
return true;
}
}
return false;
}
} // namespace mbgl
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