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471 lines
12 KiB
C++
471 lines
12 KiB
C++
//
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// Format.cpp
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//
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// Library: Foundation
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// Package: Core
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// Module: Format
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//
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// Copyright (c) 2006, Applied Informatics Software Engineering GmbH.
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// and Contributors.
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//
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// SPDX-License-Identifier: BSL-1.0
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//
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#include "Poco/Format.h"
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#include "Poco/Exception.h"
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#include "Poco/Ascii.h"
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#include <sstream>
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#include <cstddef>
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namespace Poco {
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namespace
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{
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void parseFlags(std::ostream& str, std::string::const_iterator& itFmt, const std::string::const_iterator& endFmt)
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{
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bool isFlag = true;
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while (isFlag && itFmt != endFmt)
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{
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switch (*itFmt)
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{
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case '-': str.setf(std::ios::left); ++itFmt; break;
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case '+': str.setf(std::ios::showpos); ++itFmt; break;
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case '0': str.fill('0'); str.setf(std::ios::internal); ++itFmt; break;
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case '#': str.setf(std::ios::showpoint | std::ios::showbase); ++itFmt; break;
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default: isFlag = false; break;
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}
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}
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}
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void parseWidth(std::ostream& str, std::string::const_iterator& itFmt, const std::string::const_iterator& endFmt)
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{
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int width = 0;
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while (itFmt != endFmt && Ascii::isDigit(*itFmt))
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{
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width = 10*width + *itFmt - '0';
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++itFmt;
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}
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if (width != 0) str.width(width);
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}
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void parsePrec(std::ostream& str, std::string::const_iterator& itFmt, const std::string::const_iterator& endFmt)
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{
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if (itFmt != endFmt && *itFmt == '.')
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{
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++itFmt;
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int prec = 0;
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while (itFmt != endFmt && Ascii::isDigit(*itFmt))
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{
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prec = 10*prec + *itFmt - '0';
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++itFmt;
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}
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if (prec >= 0) str.precision(prec);
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}
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}
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char parseMod(std::string::const_iterator& itFmt, const std::string::const_iterator& endFmt)
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{
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char mod = 0;
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if (itFmt != endFmt)
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{
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switch (*itFmt)
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{
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case 'l':
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case 'h':
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case 'L':
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case '?': mod = *itFmt++; break;
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}
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}
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return mod;
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}
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std::size_t parseIndex(std::string::const_iterator& itFmt, const std::string::const_iterator& endFmt)
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{
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int index = 0;
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while (itFmt != endFmt && Ascii::isDigit(*itFmt))
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{
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index = 10*index + *itFmt - '0';
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++itFmt;
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}
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if (itFmt != endFmt && *itFmt == ']') ++itFmt;
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return index;
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}
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void prepareFormat(std::ostream& str, char type)
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{
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switch (type)
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{
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case 'd':
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case 'i': str << std::dec; break;
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case 'o': str << std::oct; break;
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case 'x': str << std::hex; break;
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case 'X': str << std::hex << std::uppercase; break;
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case 'e': str << std::scientific; break;
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case 'E': str << std::scientific << std::uppercase; break;
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case 'f': str << std::fixed; break;
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}
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}
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void writeAnyInt(std::ostream& str, const Any& any)
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{
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if (any.type() == typeid(char))
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str << static_cast<int>(AnyCast<char>(any));
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else if (any.type() == typeid(signed char))
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str << static_cast<int>(AnyCast<signed char>(any));
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else if (any.type() == typeid(unsigned char))
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str << static_cast<unsigned>(AnyCast<unsigned char>(any));
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else if (any.type() == typeid(short))
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str << AnyCast<short>(any);
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else if (any.type() == typeid(unsigned short))
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str << AnyCast<unsigned short>(any);
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else if (any.type() == typeid(int))
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str << AnyCast<int>(any);
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else if (any.type() == typeid(unsigned int))
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str << AnyCast<unsigned int>(any);
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else if (any.type() == typeid(long))
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str << AnyCast<long>(any);
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else if (any.type() == typeid(unsigned long))
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str << AnyCast<unsigned long>(any);
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else if (any.type() == typeid(Int64))
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str << AnyCast<Int64>(any);
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else if (any.type() == typeid(UInt64))
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str << AnyCast<UInt64>(any);
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else if (any.type() == typeid(bool))
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str << AnyCast<bool>(any);
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}
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void formatOne(std::string& result, std::string::const_iterator& itFmt, const std::string::const_iterator& endFmt, std::vector<Any>::const_iterator& itVal)
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{
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std::ostringstream str;
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try
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{
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parseFlags(str, itFmt, endFmt);
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parseWidth(str, itFmt, endFmt);
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parsePrec(str, itFmt, endFmt);
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char mod = parseMod(itFmt, endFmt);
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if (itFmt != endFmt)
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{
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char type = *itFmt++;
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prepareFormat(str, type);
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switch (type)
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{
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case 'b':
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str << AnyCast<bool>(*itVal++);
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break;
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case 'c':
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str << AnyCast<char>(*itVal++);
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break;
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case 'd':
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case 'i':
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switch (mod)
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{
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case 'l': str << AnyCast<long>(*itVal++); break;
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case 'L': str << AnyCast<Int64>(*itVal++); break;
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case 'h': str << AnyCast<short>(*itVal++); break;
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case '?': writeAnyInt(str, *itVal++); break;
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default: str << AnyCast<int>(*itVal++); break;
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}
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break;
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case 'o':
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case 'u':
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case 'x':
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case 'X':
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switch (mod)
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{
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case 'l': str << AnyCast<unsigned long>(*itVal++); break;
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case 'L': str << AnyCast<UInt64>(*itVal++); break;
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case 'h': str << AnyCast<unsigned short>(*itVal++); break;
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case '?': writeAnyInt(str, *itVal++); break;
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default: str << AnyCast<unsigned>(*itVal++); break;
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}
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break;
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case 'e':
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case 'E':
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case 'f':
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switch (mod)
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{
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case 'l': str << AnyCast<long double>(*itVal++); break;
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case 'L': str << AnyCast<long double>(*itVal++); break;
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case 'h': str << AnyCast<float>(*itVal++); break;
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default: str << AnyCast<double>(*itVal++); break;
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}
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break;
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case 's':
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str << RefAnyCast<std::string>(*itVal++);
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break;
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case 'z':
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str << AnyCast<std::size_t>(*itVal++);
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break;
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case 'I':
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case 'D':
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default:
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str << type;
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}
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}
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}
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catch (Poco::BadCastException&)
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{
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str << "[ERRFMT]";
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}
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result.append(str.str());
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}
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}
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std::string format(const std::string& fmt, const Any& value)
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{
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std::string result;
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format(result, fmt, value);
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return result;
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}
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std::string format(const std::string& fmt, const Any& value1, const Any& value2)
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{
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std::string result;
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format(result, fmt, value1, value2);
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return result;
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}
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std::string format(const std::string& fmt, const Any& value1, const Any& value2, const Any& value3)
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{
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std::string result;
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format(result, fmt, value1, value2, value3);
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return result;
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}
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std::string format(const std::string& fmt, const Any& value1, const Any& value2, const Any& value3, const Any& value4)
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{
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std::string result;
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format(result, fmt, value1, value2, value3, value4);
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return result;
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}
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std::string format(const std::string& fmt, const Any& value1, const Any& value2, const Any& value3, const Any& value4, const Any& value5)
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{
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std::string result;
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format(result, fmt, value1, value2, value3, value4, value5);
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return result;
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}
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std::string format(const std::string& fmt, const Any& value1, const Any& value2, const Any& value3, const Any& value4, const Any& value5, const Any& value6)
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{
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std::string result;
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format(result, fmt, value1, value2, value3, value4, value5, value6);
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return result;
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}
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std::string format(const std::string& fmt, const Any& value1, const Any& value2, const Any& value3, const Any& value4, const Any& value5, const Any& value6, const Any& value7)
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{
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std::string result;
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format(result, fmt, value1, value2, value3, value4, value5, value6, value7);
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return result;
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}
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std::string format(const std::string& fmt, const Any& value1, const Any& value2, const Any& value3, const Any& value4, const Any& value5, const Any& value6, const Any& value7, const Any& value8)
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{
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std::string result;
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format(result, fmt, value1, value2, value3, value4, value5, value6, value7, value8);
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return result;
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}
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std::string format(const std::string& fmt, const Any& value1, const Any& value2, const Any& value3, const Any& value4, const Any& value5, const Any& value6, const Any& value7, const Any& value8, const Any& value9)
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{
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std::string result;
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format(result, fmt, value1, value2, value3, value4, value5, value6, value7, value8, value9);
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return result;
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}
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std::string format(const std::string& fmt, const Any& value1, const Any& value2, const Any& value3, const Any& value4, const Any& value5, const Any& value6, const Any& value7, const Any& value8, const Any& value9, const Any& value10)
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{
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std::string result;
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format(result, fmt, value1, value2, value3, value4, value5, value6, value7, value8, value9, value10);
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return result;
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}
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void format(std::string& result, const std::string& fmt, const Any& value)
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{
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std::vector<Any> args;
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args.push_back(value);
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formatVector(result, fmt, args);
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}
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void format(std::string& result, const std::string& fmt, const Any& value1, const Any& value2)
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{
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std::vector<Any> args;
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args.push_back(value1);
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args.push_back(value2);
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formatVector(result, fmt, args);
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}
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void format(std::string& result, const std::string& fmt, const Any& value1, const Any& value2, const Any& value3)
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{
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std::vector<Any> args;
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args.push_back(value1);
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args.push_back(value2);
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args.push_back(value3);
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formatVector(result, fmt, args);
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}
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void format(std::string& result, const std::string& fmt, const Any& value1, const Any& value2, const Any& value3, const Any& value4)
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{
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std::vector<Any> args;
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args.push_back(value1);
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args.push_back(value2);
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args.push_back(value3);
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args.push_back(value4);
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formatVector(result, fmt, args);
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}
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void format(std::string& result, const std::string& fmt, const Any& value1, const Any& value2, const Any& value3, const Any& value4, const Any& value5)
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{
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std::vector<Any> args;
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args.push_back(value1);
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args.push_back(value2);
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args.push_back(value3);
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args.push_back(value4);
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args.push_back(value5);
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formatVector(result, fmt, args);
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}
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void format(std::string& result, const std::string& fmt, const Any& value1, const Any& value2, const Any& value3, const Any& value4, const Any& value5, const Any& value6)
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{
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std::vector<Any> args;
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args.push_back(value1);
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args.push_back(value2);
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args.push_back(value3);
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args.push_back(value4);
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args.push_back(value5);
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args.push_back(value6);
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formatVector(result, fmt, args);
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}
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void format(std::string& result, const std::string& fmt, const Any& value1, const Any& value2, const Any& value3, const Any& value4, const Any& value5, const Any& value6, const Any& value7)
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{
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std::vector<Any> args;
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args.push_back(value1);
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args.push_back(value2);
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args.push_back(value3);
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args.push_back(value4);
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args.push_back(value5);
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args.push_back(value6);
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args.push_back(value7);
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formatVector(result, fmt, args);
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}
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void format(std::string& result, const std::string& fmt, const Any& value1, const Any& value2, const Any& value3, const Any& value4, const Any& value5, const Any& value6, const Any& value7, const Any& value8)
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{
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std::vector<Any> args;
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args.push_back(value1);
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args.push_back(value2);
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args.push_back(value3);
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args.push_back(value4);
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args.push_back(value5);
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args.push_back(value6);
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args.push_back(value7);
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args.push_back(value8);
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formatVector(result, fmt, args);
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}
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void format(std::string& result, const std::string& fmt, const Any& value1, const Any& value2, const Any& value3, const Any& value4, const Any& value5, const Any& value6, const Any& value7, const Any& value8, const Any& value9)
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{
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std::vector<Any> args;
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args.push_back(value1);
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args.push_back(value2);
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args.push_back(value3);
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args.push_back(value4);
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args.push_back(value5);
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args.push_back(value6);
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args.push_back(value7);
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args.push_back(value8);
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args.push_back(value9);
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formatVector(result, fmt, args);
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}
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void format(std::string& result, const std::string& fmt, const Any& value1, const Any& value2, const Any& value3, const Any& value4, const Any& value5, const Any& value6, const Any& value7, const Any& value8, const Any& value9, const Any& value10)
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{
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std::vector<Any> args;
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args.push_back(value1);
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args.push_back(value2);
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args.push_back(value3);
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args.push_back(value4);
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args.push_back(value5);
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args.push_back(value6);
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args.push_back(value7);
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args.push_back(value8);
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args.push_back(value9);
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args.push_back(value10);
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formatVector(result, fmt, args);
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}
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void formatVector(std::string& result, const std::string& fmt, const std::vector<Any>& values)
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{
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std::string::const_iterator itFmt = fmt.begin();
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std::string::const_iterator endFmt = fmt.end();
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std::vector<Any>::const_iterator itVal = values.begin();
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std::vector<Any>::const_iterator endVal = values.end();
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while (itFmt != endFmt)
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{
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switch (*itFmt)
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{
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case '%':
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++itFmt;
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if (itFmt != endFmt && (itVal != endVal || *itFmt == '['))
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{
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if (*itFmt == '[')
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{
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++itFmt;
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std::size_t index = parseIndex(itFmt, endFmt);
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if (index < values.size())
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{
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std::vector<Any>::const_iterator it = values.begin() + index;
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formatOne(result, itFmt, endFmt, it);
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}
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else throw InvalidArgumentException("format argument index out of range", fmt);
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}
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else
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{
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formatOne(result, itFmt, endFmt, itVal);
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}
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}
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else if (itFmt != endFmt)
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{
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result += *itFmt++;
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}
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break;
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default:
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result += *itFmt;
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++itFmt;
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}
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}
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}
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} // namespace Poco
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