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fixup... use an unordered_map to substitute in numeric format string

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This commit is contained in:
Christopher Lam 2024-04-13 17:54:52 +08:00
parent 8bc223c01e
commit f47c22dfb2
1 changed files with 28 additions and 5 deletions
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33
libgnucash/app-utils/gnc-ui-util.cpp
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@ -1500,18 +1500,41 @@ gnc_wrap_text_with_bidi_ltr_isolate (const char* text)
/********************************************************************\
********************************************************************/
using StrStrVec = std::vector<std::pair<std::string, std::string>>;
static std::string
string_replace_substring (const std::string& input, const StrStrVec& replacements)
{
std::string result = input;
for (const auto& [key, val] : replacements)
for (auto pos = result.find(key); pos != std::string::npos; pos = result.find(key))
result.replace(pos, key.length(), val);
return result;
}
static std::string
number_to_words(double val, int64_t denom)
{
double int_part;
const int frac_part = std::round(std::modf (std::fabs(val), &int_part) * denom);
const std::vector<std::string> tail =
{ " ", _("and"), " ", std::to_string (frac_part), "/", std::to_string (denom) };
std::ostringstream ss;
ss.imbue(gnc_get_boost_locale());
ss << boost::locale::as::spellout << int_part;
return std::accumulate (tail.begin(), tail.end(), ss.str());
auto num_to_words = [&ss](auto num)
{
ss.str("");
ss << boost::locale::as::spellout << num;
return ss.str();
};
StrStrVec replacements = {
{"{int_part}", num_to_words(int_part)},
{"{frac_part}", num_to_words(frac_part)},
{"{value}", num_to_words(val)},
{"{int_part_num}", std::to_string (int_part)},
{"{frac_part_num}", std::to_string (frac_part)},
{"{denom_num}", std::to_string (denom)},
};
return string_replace_substring("{int_part} and {frac_part_num}/{denom_num}", replacements);
}
#ifdef _MSC_VER