93 lines
2.1 KiB
C++
93 lines
2.1 KiB
C++
#include <mbgl/util/string.hpp>
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#include <rapidjson/writer.h>
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#include <rapidjson/stringbuffer.h>
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#include <cassert>
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namespace mbgl {
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namespace util {
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std::string toString(int32_t t) {
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rapidjson::StringBuffer s;
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rapidjson::Writer<rapidjson::StringBuffer> writer(s);
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writer.Int(t);
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return s.GetString();
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}
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std::string toString(uint32_t t) {
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rapidjson::StringBuffer s;
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rapidjson::Writer<rapidjson::StringBuffer> writer(s);
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writer.Uint(t);
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return s.GetString();
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}
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std::string toString(int64_t t) {
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rapidjson::StringBuffer s;
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rapidjson::Writer<rapidjson::StringBuffer> writer(s);
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writer.Int64(t);
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return s.GetString();
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}
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std::string toString(uint64_t t) {
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rapidjson::StringBuffer s;
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rapidjson::Writer<rapidjson::StringBuffer> writer(s);
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writer.Uint64(t);
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return s.GetString();
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}
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std::string toString(double t, bool decimal) {
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rapidjson::StringBuffer s;
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rapidjson::Writer<rapidjson::StringBuffer> writer(s);
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writer.Double(t);
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std::string data = s.GetString();
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if (!decimal && data.length() >= 3 && data[data.length() - 1] == '0' && data[data.length() - 2] == '.') {
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// Remove trailing ".0" for integers
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data.resize(data.length() - 2);
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}
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return data;
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}
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std::string toString(const std::exception_ptr& error) {
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assert(error);
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if (!error) {
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return "(null)";
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}
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try {
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std::rethrow_exception(error);
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} catch (const std::exception& ex) {
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return ex.what();
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} catch (...) {
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return "Unknown exception type";
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}
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}
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namespace {
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template <typename T>
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std::string toPaddedHex(T x) {
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std::string result;
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result.resize(sizeof(T) * 2);
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for (int index = sizeof(T) * 2 - 1; index >= 0; index--) {
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const int digit = x & 0x0F;
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result[index] = '0' + digit + (digit > 9 ? 39 : 0);
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x >>= 4;
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}
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return result;
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}
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} // namespace
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std::string toHex(uint32_t value) {
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return toPaddedHex(value);
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}
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std::string toHex(uint64_t value) {
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return toPaddedHex(value);
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}
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} // namespace util
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} // namespace mbgl
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